Fix typo

CMakeLists.txt

@@ -225,6 +225,22 @@ set(THIRD_PARTY_SOURCE_FILES third_party/imgui/imgui.cpp
                              third_party/cityhash/cityhash.cpp
                              third_party/xxhash/xxhash.c
 )
+
+
+if(ENABLE_QT_GUI)
+    include_directories(third_party/duckstation)
+    set(THIRD_PARTY_SOURCE_FILES ${THIRD_PARTY_SOURCE_FILES} third_party/duckstation/window_info.cpp third_party/duckstation/gl/context.cpp)
+
+    if(APPLE)
+        set(THIRD_PARTY_SOURCE_FILES ${THIRD_PARTY_SOURCE_FILES} third_party/duckstation/gl/context_agl.mm)
+    elseif(WIN32)
+        set(THIRD_PARTY_SOURCE_FILES ${THIRD_PARTY_SOURCE_FILES} third_party/duckstation/gl/context_wgl.cpp)
+    else()
+        set(THIRD_PARTY_SOURCE_FILES ${THIRD_PARTY_SOURCE_FILES} third_party/duckstation/gl/context_egl.cpp third_party/duckstation/gl/context_egl_wayland.cpp
+        third_party/duckstation/gl/context_egl_x11.cpp third_party/duckstation/gl/context_glx.cpp third_party/duckstation/gl/x11_window.cpp)
+    endif()
+endif()
+
 source_group("Source Files\\Core" FILES ${SOURCE_FILES})
 source_group("Source Files\\Core\\Crypto" FILES ${CRYPTO_SOURCE_FILES})
 source_group("Source Files\\Core\\Filesystem" FILES ${FS_SOURCE_FILES})
@@ -304,9 +320,9 @@ if(ENABLE_VULKAN)
 
     if(GPU_DEBUG_INFO)
         # generate nonsemantic shader debug information with source
-        set( RENDERER_VK_HOST_SHADERS_FLAGS ${RENDERER_VK_HOST_SHADERS_FLAGS} -gVS)
+        set(RENDERER_VK_HOST_SHADERS_FLAGS ${RENDERER_VK_HOST_SHADERS_FLAGS} -gVS)
     else()
-        set( RENDERER_VK_HOST_SHADERS_FLAGS ${RENDERER_VK_HOST_SHADERS_FLAGS} -g0)
+        set(RENDERER_VK_HOST_SHADERS_FLAGS ${RENDERER_VK_HOST_SHADERS_FLAGS} -g0)
     endif()
 
     # Compile each vulkan shader into an .spv file

src/emulator.cpp

@@ -58,7 +58,7 @@ Emulator::Emulator()
 			Helpers::panic("OpenGL context creation failed: %s", SDL_GetError());
 		}
 
-		if (!gladLoadGL(reinterpret_cast<GLADloadfunc>(SDL_GL_GetProcAddress))) {
+		if (!gladLoadGLLoader(reinterpret_cast<GLADloadproc>(SDL_GL_GetProcAddress))) {
 			Helpers::panic("OpenGL init failed: %s", SDL_GetError());
 		}
 	}

third_party/duckstation/duckstation_compat.h

@@ -0,0 +1,16 @@
+#ifndef DUCKSTATION_COMPAT_H
+#define DUCKSTATION_COMPAT_H
+
+#include <assert.h>
+
+#include "compiler_builtins.hpp"
+#include "helpers.hpp"
+
+#define AssertMsg(cond, msg) assert(cond&& msg)
+#define Assert(cond) assert(cond)
+
+#define Panic(msg) assert(false && msg)
+
+#define UnreachableCode() __builtin_unreachable()
+
+#endif

third_party/duckstation/duckstation_log.h

@@ -0,0 +1,46 @@
+#ifndef LOG_H
+#define LOG_H
+
+#include <stdio.h>
+
+#define Log_SetChannel(ChannelName)
+#define Log_ErrorPrint(msg) puts(msg "\n");
+#define Log_ErrorPrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_WarningPrint(msg) puts(msg)
+#define Log_WarningPrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_PerfPrint(msg) puts(msg)
+#define Log_PerfPrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_InfoPrint(msg) puts(msg)
+#define Log_InfoPrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_VerbosePrint(msg) puts(msg)
+#define Log_VerbosePrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_DevPrint(msg) puts(msg)
+#define Log_DevPrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_ProfilePrint(msg) puts(msg)
+#define Log_ProfilePrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+
+#ifdef _DEBUG
+#define Log_DebugPrint(msg) puts(msg)
+#define Log_DebugPrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#define Log_TracePrint(msg) puts(msg)
+#define Log_TracePrintf(...) do { printf(__VA_ARGS__); putchar('\n'); } while (0)
+#else
+#define Log_DebugPrint(msg)                                                                                            \
+  do                                                                                                                   \
+  {                                                                                                                    \
+  } while (0)
+#define Log_DebugPrintf(...)                                                                                           \
+  do                                                                                                                   \
+  {                                                                                                                    \
+  } while (0)
+#define Log_TracePrint(msg)                                                                                            \
+  do                                                                                                                   \
+  {                                                                                                                    \
+  } while (0)
+#define Log_TracePrintf(...)                                                                                           \
+  do                                                                                                                   \
+  {                                                                                                                    \
+  } while (0)
+#endif
+
+#endif

third_party/duckstation/duckstation_scoped_guard.h

@@ -0,0 +1,34 @@
+#pragma once
+#include <optional>
+#include <utility>
+
+/// ScopedGuard provides an object which runs a function (usually a lambda) when
+/// it goes out of scope. This can be useful for releasing resources or handles
+/// which do not normally have C++ types to automatically release.
+template<typename T>
+class ScopedGuard final
+{
+public:
+  ALWAYS_INLINE ScopedGuard(T&& func) : m_func(std::forward<T>(func)) {}
+  ALWAYS_INLINE ScopedGuard(ScopedGuard&& other) : m_func(std::move(other.m_func)) { other.m_func = nullptr; }
+  ALWAYS_INLINE ~ScopedGuard() { Invoke(); }
+
+  ScopedGuard(const ScopedGuard&) = delete;
+  void operator=(const ScopedGuard&) = delete;
+
+  /// Prevents the function from being invoked when we go out of scope.
+  ALWAYS_INLINE void Cancel() { m_func.reset(); }
+
+  /// Explicitly fires the function.
+  ALWAYS_INLINE void Invoke()
+  {
+    if (!m_func.has_value())
+      return;
+
+    m_func.value()();
+    m_func.reset();
+  }
+
+private:
+  std::optional<T> m_func;
+};

third_party/duckstation/gl/context.cpp

@@ -0,0 +1,179 @@
+#include "context.h"
+#include "duckstation_log.h"
+#include "loader.h"
+#include <cstdlib>
+#include <cstring>
+#ifdef __APPLE__
+#include <stdlib.h>
+#else
+#include <malloc.h>
+#endif
+Log_SetChannel(GL::Context);
+
+#if defined(_WIN32)
+#include "context_wgl.h"
+#elif defined(__APPLE__)
+#include "context_agl.h"
+#else
+#ifdef WAYLAND_ENABLED
+#include "context_egl_wayland.h"
+#endif
+#include "context_egl_x11.h"
+#include "context_glx.h"
+#endif
+
+namespace GL {
+
+static bool ShouldPreferESContext()
+{
+#ifndef _MSC_VER
+  const char* value = std::getenv("PREFER_GLES_CONTEXT");
+  return (value && strcmp(value, "1") == 0);
+#else
+  char buffer[2] = {};
+  size_t buffer_size = sizeof(buffer);
+  getenv_s(&buffer_size, buffer, "PREFER_GLES_CONTEXT");
+  return (std::strcmp(buffer, "1") == 0);
+#endif
+}
+
+Context::Context(const WindowInfo& wi) : m_wi(wi) {}
+
+Context::~Context() = default;
+
+std::vector<Context::FullscreenModeInfo> Context::EnumerateFullscreenModes()
+{
+  return {};
+}
+
+std::unique_ptr<GL::Context> Context::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                             size_t num_versions_to_try)
+{
+  if (ShouldPreferESContext())
+  {
+    // move ES versions to the front
+    Version* new_versions_to_try = static_cast<Version*>(alloca(sizeof(Version) * num_versions_to_try));
+    size_t count = 0;
+    for (size_t i = 0; i < num_versions_to_try; i++)
+    {
+      if (versions_to_try[i].profile == Profile::ES)
+        new_versions_to_try[count++] = versions_to_try[i];
+    }
+    for (size_t i = 0; i < num_versions_to_try; i++)
+    {
+      if (versions_to_try[i].profile != Profile::ES)
+        new_versions_to_try[count++] = versions_to_try[i];
+    }
+    versions_to_try = new_versions_to_try;
+  }
+
+  std::unique_ptr<Context> context;
+#if defined(_WIN32)
+  context = ContextWGL::Create(wi, versions_to_try, num_versions_to_try);
+#elif defined(__APPLE__)
+  context = ContextAGL::Create(wi, versions_to_try, num_versions_to_try);
+#else
+  if (wi.type == WindowInfo::Type::X11)
+  {
+    const char* use_egl_x11 = std::getenv("USE_EGL_X11");
+    if (use_egl_x11 && std::strcmp(use_egl_x11, "1") == 0)
+      context = ContextEGLX11::Create(wi, versions_to_try, num_versions_to_try);
+    else
+      context = ContextGLX::Create(wi, versions_to_try, num_versions_to_try);
+  }
+
+#ifdef WAYLAND_ENABLED
+  if (wi.type == WindowInfo::Type::Wayland)
+    context = ContextEGLWayland::Create(wi, versions_to_try, num_versions_to_try);
+#endif
+#endif
+
+  if (!context)
+    return nullptr;
+
+  Log_InfoPrintf("Created a %s context", context->IsGLES() ? "OpenGL ES" : "OpenGL");
+
+  // TODO: Not thread-safe.
+  static Context* context_being_created;
+  context_being_created = context.get();
+
+  if (!gladLoadGLLoader([](const char* name) { return context_being_created->GetProcAddress(name); }))
+  {
+    Log_ErrorPrintf("Failed to load GL functions for GLAD");
+    return nullptr;
+  }
+
+  const char* gl_vendor = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
+  const char* gl_renderer = reinterpret_cast<const char*>(glGetString(GL_RENDERER));
+  const char* gl_version = reinterpret_cast<const char*>(glGetString(GL_VERSION));
+  const char* gl_shading_language_version = reinterpret_cast<const char*>(glGetString(GL_SHADING_LANGUAGE_VERSION));
+  Log_InfoPrintf("GL_VENDOR: %s", gl_vendor);
+  Log_InfoPrintf("GL_RENDERER: %s", gl_renderer);
+  Log_InfoPrintf("GL_VERSION: %s", gl_version);
+  Log_InfoPrintf("GL_SHADING_LANGUAGE_VERSION: %s", gl_shading_language_version);
+
+  return context;
+}
+
+const std::array<Context::Version, 11>& Context::GetAllDesktopVersionsList()
+{
+  static constexpr std::array<Version, 11> vlist = {{{Profile::Core, 4, 6},
+                                                     {Profile::Core, 4, 5},
+                                                     {Profile::Core, 4, 4},
+                                                     {Profile::Core, 4, 3},
+                                                     {Profile::Core, 4, 2},
+                                                     {Profile::Core, 4, 1},
+                                                     {Profile::Core, 4, 0},
+                                                     {Profile::Core, 3, 3},
+                                                     {Profile::Core, 3, 2},
+                                                     {Profile::Core, 3, 1},
+                                                     {Profile::Core, 3, 0}}};
+  return vlist;
+}
+
+const std::array<Context::Version, 12>& Context::GetAllDesktopVersionsListWithFallback()
+{
+  static constexpr std::array<Version, 12> vlist = {{{Profile::Core, 4, 6},
+                                                     {Profile::Core, 4, 5},
+                                                     {Profile::Core, 4, 4},
+                                                     {Profile::Core, 4, 3},
+                                                     {Profile::Core, 4, 2},
+                                                     {Profile::Core, 4, 1},
+                                                     {Profile::Core, 4, 0},
+                                                     {Profile::Core, 3, 3},
+                                                     {Profile::Core, 3, 2},
+                                                     {Profile::Core, 3, 1},
+                                                     {Profile::Core, 3, 0},
+                                                     {Profile::NoProfile, 0, 0}}};
+  return vlist;
+}
+
+const std::array<Context::Version, 4>& Context::GetAllESVersionsList()
+{
+  static constexpr std::array<Version, 4> vlist = {
+    {{Profile::ES, 3, 2}, {Profile::ES, 3, 1}, {Profile::ES, 3, 0}, {Profile::ES, 2, 0}}};
+  return vlist;
+}
+
+const std::array<Context::Version, 16>& Context::GetAllVersionsList()
+{
+  static constexpr std::array<Version, 16> vlist = {{{Profile::Core, 4, 6},
+                                                     {Profile::Core, 4, 5},
+                                                     {Profile::Core, 4, 4},
+                                                     {Profile::Core, 4, 3},
+                                                     {Profile::Core, 4, 2},
+                                                     {Profile::Core, 4, 1},
+                                                     {Profile::Core, 4, 0},
+                                                     {Profile::Core, 3, 3},
+                                                     {Profile::Core, 3, 2},
+                                                     {Profile::Core, 3, 1},
+                                                     {Profile::Core, 3, 0},
+                                                     {Profile::ES, 3, 2},
+                                                     {Profile::ES, 3, 1},
+                                                     {Profile::ES, 3, 0},
+                                                     {Profile::ES, 2, 0},
+                                                     {Profile::NoProfile, 0, 0}}};
+  return vlist;
+}
+
+} // namespace GL

third_party/duckstation/gl/context.h

@@ -0,0 +1,76 @@
+#pragma once
+#include "duckstation_compat.h"
+#include "window_info.h"
+#include <array>
+#include <memory>
+#include <vector>
+
+namespace GL {
+class Context
+{
+public:
+  Context(const WindowInfo& wi);
+  virtual ~Context();
+
+  enum class Profile
+  {
+    NoProfile,
+    Core,
+    ES
+  };
+
+  struct Version
+  {
+    Profile profile;
+    int major_version;
+    int minor_version;
+  };
+
+  struct FullscreenModeInfo
+  {
+    u32 width;
+    u32 height;
+    float refresh_rate;
+  };
+
+  ALWAYS_INLINE const WindowInfo& GetWindowInfo() const { return m_wi; }
+  ALWAYS_INLINE bool IsGLES() const { return (m_version.profile == Profile::ES); }
+  ALWAYS_INLINE u32 GetSurfaceWidth() const { return m_wi.surface_width; }
+  ALWAYS_INLINE u32 GetSurfaceHeight() const { return m_wi.surface_height; }
+  ALWAYS_INLINE WindowInfo::SurfaceFormat GetSurfaceFormat() const { return m_wi.surface_format; }
+
+  virtual void* GetProcAddress(const char* name) = 0;
+  virtual bool ChangeSurface(const WindowInfo& new_wi) = 0;
+  virtual void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) = 0;
+  virtual bool SwapBuffers() = 0;
+  virtual bool MakeCurrent() = 0;
+  virtual bool DoneCurrent() = 0;
+  virtual bool SetSwapInterval(s32 interval) = 0;
+  virtual std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) = 0;
+
+  virtual std::vector<FullscreenModeInfo> EnumerateFullscreenModes();
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  template<size_t N>
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const std::array<Version, N>& versions_to_try)
+  {
+    return Create(wi, versions_to_try.data(), versions_to_try.size());
+  }
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi) { return Create(wi, GetAllVersionsList()); }
+
+  static const std::array<Version, 11>& GetAllDesktopVersionsList();
+  static const std::array<Version, 12>& GetAllDesktopVersionsListWithFallback();
+  static const std::array<Version, 4>& GetAllESVersionsList();
+  static const std::array<Version, 16>& GetAllVersionsList();
+
+protected:
+#ifdef _WIN32
+#endif
+
+  WindowInfo m_wi;
+  Version m_version = {};
+};
+} // namespace GL

third_party/duckstation/gl/context_agl.h

@@ -0,0 +1,49 @@
+#pragma once
+#include "context.h"
+#include "loader.h"
+
+#if defined(__APPLE__) && defined(__OBJC__)
+#import <AppKit/AppKit.h>
+#else
+struct NSOpenGLContext;
+struct NSOpenGLPixelFormat;
+struct NSView;
+#define __bridge
+#endif
+
+namespace GL {
+
+class ContextAGL final : public Context
+{
+public:
+  ContextAGL(const WindowInfo& wi);
+  ~ContextAGL() override;
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  void* GetProcAddress(const char* name) override;
+  bool ChangeSurface(const WindowInfo& new_wi) override;
+  void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
+  bool SwapBuffers() override;
+  bool MakeCurrent() override;
+  bool DoneCurrent() override;
+  bool SetSwapInterval(s32 interval) override;
+  std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
+
+private:
+  ALWAYS_INLINE NSView* GetView() const { return static_cast<NSView*>((__bridge NSView*)m_wi.window_handle); }
+
+  bool Initialize(const Version* versions_to_try, size_t num_versions_to_try);
+  bool CreateContext(NSOpenGLContext* share_context, int profile, bool make_current);
+  void BindContextToView();
+
+  // returns true if dimensions have changed
+  bool UpdateDimensions();
+
+  NSOpenGLContext* m_context = nullptr;
+  NSOpenGLPixelFormat* m_pixel_format = nullptr;
+  void* m_opengl_module_handle = nullptr;
+};
+
+} // namespace GL

third_party/duckstation/gl/context_agl.mm

@@ -0,0 +1,214 @@
+#include "context_agl.h"
+#include "duckstation_compat.h"
+#include "duckstation_log.h"
+#include "loader.h"
+#include <dlfcn.h>
+Log_SetChannel(GL::ContextAGL);
+
+namespace GL {
+ContextAGL::ContextAGL(const WindowInfo& wi) : Context(wi)
+{
+  m_opengl_module_handle = dlopen("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", RTLD_NOW);
+  if (!m_opengl_module_handle)
+    Log_ErrorPrint("Could not open OpenGL.framework, function lookups will probably fail");
+}
+
+ContextAGL::~ContextAGL()
+{
+  if ([NSOpenGLContext currentContext] == m_context)
+    [NSOpenGLContext clearCurrentContext];
+
+  if (m_context)
+    [m_context release];
+
+  if (m_pixel_format)
+    [m_pixel_format release];
+
+  if (m_opengl_module_handle)
+    dlclose(m_opengl_module_handle);
+}
+
+std::unique_ptr<Context> ContextAGL::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                            size_t num_versions_to_try)
+{
+  std::unique_ptr<ContextAGL> context = std::make_unique<ContextAGL>(wi);
+  if (!context->Initialize(versions_to_try, num_versions_to_try))
+    return nullptr;
+
+  return context;
+}
+
+bool ContextAGL::Initialize(const Version* versions_to_try, size_t num_versions_to_try)
+{
+  for (size_t i = 0; i < num_versions_to_try; i++)
+  {
+    const Version& cv = versions_to_try[i];
+    if (cv.profile == Profile::NoProfile && CreateContext(nullptr, NSOpenGLProfileVersionLegacy, true))
+    {
+      // we already have the dummy context, so just use that
+      m_version = cv;
+      return true;
+    }
+    else if (cv.profile == Profile::Core)
+    {
+      if (cv.major_version > 4 && cv.minor_version > 1)
+        continue;
+      
+      const NSOpenGLPixelFormatAttribute profile = (cv.major_version > 3 || cv.minor_version > 2) ? NSOpenGLProfileVersion4_1Core : NSOpenGLProfileVersion3_2Core;
+      if (CreateContext(nullptr, static_cast<int>(profile), true))
+      {        
+        m_version = cv;
+        return true;
+      }
+    }
+  }
+
+  return false;
+}
+
+void* ContextAGL::GetProcAddress(const char* name)
+{
+  void* addr = m_opengl_module_handle ? dlsym(m_opengl_module_handle, name) : nullptr;
+  if (addr)
+    return addr;
+
+  return dlsym(RTLD_NEXT, name);
+}
+
+bool ContextAGL::ChangeSurface(const WindowInfo& new_wi)
+{
+  m_wi = new_wi;
+  BindContextToView();
+  return true;
+}
+
+void ContextAGL::ResizeSurface(u32 new_surface_width /*= 0*/, u32 new_surface_height /*= 0*/)
+{
+  UpdateDimensions();
+}
+
+bool ContextAGL::UpdateDimensions()
+{
+  const NSSize window_size = [GetView() frame].size;
+  const CGFloat window_scale = [[GetView() window] backingScaleFactor];
+  const u32 new_width = static_cast<u32>(static_cast<CGFloat>(window_size.width) * window_scale);
+  const u32 new_height = static_cast<u32>(static_cast<CGFloat>(window_size.height) * window_scale);
+
+  if (m_wi.surface_width == new_width && m_wi.surface_height == new_height)
+    return false;
+
+  m_wi.surface_width = new_width;
+  m_wi.surface_height = new_height;
+
+  dispatch_block_t block = ^{
+    [m_context update];
+  };
+
+  if ([NSThread isMainThread])
+    block();
+  else
+    dispatch_sync(dispatch_get_main_queue(), block);
+
+  return true;
+}
+
+bool ContextAGL::SwapBuffers()
+{
+  [m_context flushBuffer];
+  return true;
+}
+
+bool ContextAGL::MakeCurrent()
+{
+  [m_context makeCurrentContext];
+  return true;
+}
+
+bool ContextAGL::DoneCurrent()
+{
+  [NSOpenGLContext clearCurrentContext];
+  return true;
+}
+
+bool ContextAGL::SetSwapInterval(s32 interval)
+{
+  GLint gl_interval = static_cast<GLint>(interval);
+  [m_context setValues:&gl_interval forParameter:NSOpenGLCPSwapInterval];
+  return true;
+}
+
+std::unique_ptr<Context> ContextAGL::CreateSharedContext(const WindowInfo& wi)
+{
+  std::unique_ptr<ContextAGL> context = std::make_unique<ContextAGL>(wi);
+
+  context->m_context = [[NSOpenGLContext alloc] initWithFormat:m_pixel_format shareContext:m_context];
+  if (context->m_context == nil)
+    return nullptr;
+
+  context->m_version = m_version;
+  context->m_pixel_format = m_pixel_format;
+  [context->m_pixel_format retain];
+
+  if (wi.type == WindowInfo::Type::MacOS)
+    context->BindContextToView();
+  
+  return context;
+}
+
+bool ContextAGL::CreateContext(NSOpenGLContext* share_context, int profile, bool make_current)
+{
+  if (m_context)
+  {
+    [m_context release];
+    m_context = nullptr;
+  }
+
+  if (m_pixel_format)
+    [m_pixel_format release];
+
+  const std::array<NSOpenGLPixelFormatAttribute, 5> attribs = {{
+      NSOpenGLPFADoubleBuffer,
+      NSOpenGLPFAOpenGLProfile,
+      static_cast<NSOpenGLPixelFormatAttribute>(profile),
+      NSOpenGLPFAAccelerated,
+      0}};
+  m_pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs.data()];
+  if (m_pixel_format == nil)
+  {
+    Log_ErrorPrintf("Failed to initialize pixel format");
+    return false;
+  }
+
+  m_context = [[NSOpenGLContext alloc] initWithFormat:m_pixel_format shareContext:nil];
+  if (m_context == nil)
+    return false;
+
+  if (m_wi.type == WindowInfo::Type::MacOS)
+    BindContextToView();
+
+  if (make_current)
+    [m_context makeCurrentContext];
+
+  return true;
+}
+
+void ContextAGL::BindContextToView()
+{
+  NSView* const view = GetView();
+  NSWindow* const window = [view window];
+  [view setWantsBestResolutionOpenGLSurface:YES];
+
+  UpdateDimensions();
+
+  dispatch_block_t block = ^{
+    [window makeFirstResponder:view];
+    [m_context setView:view];
+    [window makeKeyAndOrderFront:nil];
+  };
+
+  if ([NSThread isMainThread])
+    block();
+  else
+    dispatch_sync(dispatch_get_main_queue(), block);
+}
+} // namespace GL

third_party/duckstation/gl/context_egl.cpp

@@ -0,0 +1,432 @@
+#include "context_egl.h"
+#include "duckstation_log.h"
+#include "duckstation_compat.h"
+#include <optional>
+#include <vector>
+#include <cstring>
+Log_SetChannel(GL::ContextEGL);
+
+namespace GL {
+ContextEGL::ContextEGL(const WindowInfo& wi) : Context(wi) {}
+
+ContextEGL::~ContextEGL()
+{
+  DestroySurface();
+  DestroyContext();
+}
+
+std::unique_ptr<Context> ContextEGL::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                            size_t num_versions_to_try)
+{
+  std::unique_ptr<ContextEGL> context = std::make_unique<ContextEGL>(wi);
+  if (!context->Initialize(versions_to_try, num_versions_to_try))
+    return nullptr;
+
+  return context;
+}
+
+bool ContextEGL::Initialize(const Version* versions_to_try, size_t num_versions_to_try)
+{
+  if (!gladLoadEGL())
+  {
+    Log_ErrorPrintf("Loading GLAD EGL functions failed");
+    return false;
+  }
+
+  if (!SetDisplay())
+    return false;
+
+  int egl_major, egl_minor;
+  if (!eglInitialize(m_display, &egl_major, &egl_minor))
+  {
+    Log_ErrorPrintf("eglInitialize() failed: %d", eglGetError());
+    return false;
+  }
+  Log_InfoPrintf("EGL Version: %d.%d", egl_major, egl_minor);
+
+  const char* extensions = eglQueryString(m_display, EGL_EXTENSIONS);
+  if (extensions)
+  {
+    Log_InfoPrintf("EGL Extensions: %s", extensions);
+    m_supports_surfaceless = std::strstr(extensions, "EGL_KHR_surfaceless_context") != nullptr;
+  }
+  if (!m_supports_surfaceless)
+    Log_WarningPrint("EGL implementation does not support surfaceless contexts, emulating with pbuffers");
+
+  for (size_t i = 0; i < num_versions_to_try; i++)
+  {
+    if (CreateContextAndSurface(versions_to_try[i], nullptr, true))
+      return true;
+  }
+
+  return false;
+}
+
+bool ContextEGL::SetDisplay()
+{
+  m_display = eglGetDisplay(static_cast<EGLNativeDisplayType>(m_wi.display_connection));
+  if (!m_display)
+  {
+    Log_ErrorPrintf("eglGetDisplay() failed: %d", eglGetError());
+    return false;
+  }
+
+  return true;
+}
+
+void* ContextEGL::GetProcAddress(const char* name)
+{
+  return reinterpret_cast<void*>(eglGetProcAddress(name));
+}
+
+bool ContextEGL::ChangeSurface(const WindowInfo& new_wi)
+{
+  const bool was_current = (eglGetCurrentContext() == m_context);
+  if (was_current)
+    eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+  if (m_surface != EGL_NO_SURFACE)
+  {
+    eglDestroySurface(m_display, m_surface);
+    m_surface = EGL_NO_SURFACE;
+  }
+
+  m_wi = new_wi;
+  if (!CreateSurface())
+    return false;
+
+  if (was_current && !eglMakeCurrent(m_display, m_surface, m_surface, m_context))
+  {
+    Log_ErrorPrintf("Failed to make context current again after surface change");
+    return false;
+  }
+
+  return true;
+}
+
+void ContextEGL::ResizeSurface(u32 new_surface_width /*= 0*/, u32 new_surface_height /*= 0*/)
+{
+  if (new_surface_width == 0 && new_surface_height == 0)
+  {
+    EGLint surface_width, surface_height;
+    if (eglQuerySurface(m_display, m_surface, EGL_WIDTH, &surface_width) &&
+        eglQuerySurface(m_display, m_surface, EGL_HEIGHT, &surface_height))
+    {
+      m_wi.surface_width = static_cast<u32>(surface_width);
+      m_wi.surface_height = static_cast<u32>(surface_height);
+      return;
+    }
+    else
+    {
+      Log_ErrorPrintf("eglQuerySurface() failed: %d", eglGetError());
+    }
+  }
+
+  m_wi.surface_width = new_surface_width;
+  m_wi.surface_height = new_surface_height;
+}
+
+bool ContextEGL::SwapBuffers()
+{
+  return eglSwapBuffers(m_display, m_surface);
+}
+
+bool ContextEGL::MakeCurrent()
+{
+  if (!eglMakeCurrent(m_display, m_surface, m_surface, m_context))
+  {
+    Log_ErrorPrintf("eglMakeCurrent() failed: %d", eglGetError());
+    return false;
+  }
+
+  return true;
+}
+
+bool ContextEGL::DoneCurrent()
+{
+  return eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+}
+
+bool ContextEGL::SetSwapInterval(s32 interval)
+{
+  return eglSwapInterval(m_display, interval);
+}
+
+std::unique_ptr<Context> ContextEGL::CreateSharedContext(const WindowInfo& wi)
+{
+  std::unique_ptr<ContextEGL> context = std::make_unique<ContextEGL>(wi);
+  context->m_display = m_display;
+  context->m_supports_surfaceless = m_supports_surfaceless;
+
+  if (!context->CreateContextAndSurface(m_version, m_context, false))
+    return nullptr;
+
+  return context;
+}
+
+EGLNativeWindowType ContextEGL::GetNativeWindow(EGLConfig config)
+{
+  return {};
+}
+
+bool ContextEGL::CreateSurface()
+{
+  if (m_wi.type == WindowInfo::Type::Surfaceless)
+  {
+    if (m_supports_surfaceless)
+      return true;
+    else
+      return CreatePBufferSurface();
+  }
+
+  EGLNativeWindowType native_window = GetNativeWindow(m_config);
+  m_surface = eglCreateWindowSurface(m_display, m_config, native_window, nullptr);
+  if (!m_surface)
+  {
+    Log_ErrorPrintf("eglCreateWindowSurface() failed: %d", eglGetError());
+    return false;
+  }
+
+  // Some implementations may require the size to be queried at runtime.
+  EGLint surface_width, surface_height;
+  if (eglQuerySurface(m_display, m_surface, EGL_WIDTH, &surface_width) &&
+      eglQuerySurface(m_display, m_surface, EGL_HEIGHT, &surface_height))
+  {
+    m_wi.surface_width = static_cast<u32>(surface_width);
+    m_wi.surface_height = static_cast<u32>(surface_height);
+  }
+  else
+  {
+    Log_ErrorPrintf("eglQuerySurface() failed: %d", eglGetError());
+  }
+
+  return true;
+}
+
+bool ContextEGL::CreatePBufferSurface()
+{
+  const u32 width = std::max<u32>(m_wi.surface_width, 1);
+  const u32 height = std::max<u32>(m_wi.surface_height, 1);
+
+  // TODO: Format
+  EGLint attrib_list[] = {
+    EGL_WIDTH, static_cast<EGLint>(width), EGL_HEIGHT, static_cast<EGLint>(height), EGL_NONE,
+  };
+
+  m_surface = eglCreatePbufferSurface(m_display, m_config, attrib_list);
+  if (!m_surface)
+  {
+    Log_ErrorPrintf("eglCreatePbufferSurface() failed: %d", eglGetError());
+    return false;
+  }
+
+  Log_DevPrintf("Created %ux%u pbuffer surface", width, height);
+  return true;
+}
+
+bool ContextEGL::CheckConfigSurfaceFormat(EGLConfig config, WindowInfo::SurfaceFormat format) const
+{
+  int red_size, green_size, blue_size, alpha_size;
+  if (!eglGetConfigAttrib(m_display, config, EGL_RED_SIZE, &red_size) ||
+      !eglGetConfigAttrib(m_display, config, EGL_GREEN_SIZE, &green_size) ||
+      !eglGetConfigAttrib(m_display, config, EGL_BLUE_SIZE, &blue_size) ||
+      !eglGetConfigAttrib(m_display, config, EGL_ALPHA_SIZE, &alpha_size))
+  {
+    return false;
+  }
+
+  switch (format)
+  {
+    case WindowInfo::SurfaceFormat::Auto:
+      return true;
+
+    case WindowInfo::SurfaceFormat::RGB8:
+      return (red_size == 8 && green_size == 8 && blue_size == 8);
+
+    case WindowInfo::SurfaceFormat::RGBA8:
+      return (red_size == 8 && green_size == 8 && blue_size == 8 && alpha_size == 8);
+
+    case WindowInfo::SurfaceFormat::RGB565:
+      return (red_size == 5 && green_size == 6 && blue_size == 5);
+
+    default:
+      return false;
+  }
+}
+
+void ContextEGL::DestroyContext()
+{
+  if (eglGetCurrentContext() == m_context)
+    eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+  if (m_context != EGL_NO_CONTEXT)
+  {
+    eglDestroyContext(m_display, m_context);
+    m_context = EGL_NO_CONTEXT;
+  }
+}
+
+void ContextEGL::DestroySurface()
+{
+  if (eglGetCurrentSurface(EGL_DRAW) == m_surface)
+    eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+
+  if (m_surface != EGL_NO_SURFACE)
+  {
+    eglDestroySurface(m_display, m_surface);
+    m_surface = EGL_NO_SURFACE;
+  }
+}
+
+bool ContextEGL::CreateContext(const Version& version, EGLContext share_context)
+{
+  Log_DevPrintf(
+    "Trying version %u.%u (%s)", version.major_version, version.minor_version,
+    version.profile == Context::Profile::ES ? "ES" : (version.profile == Context::Profile::Core ? "Core" : "None"));
+  int surface_attribs[16] = {
+    EGL_RENDERABLE_TYPE,
+    (version.profile == Profile::ES) ?
+      ((version.major_version >= 3) ? EGL_OPENGL_ES3_BIT :
+                                      ((version.major_version == 2) ? EGL_OPENGL_ES2_BIT : EGL_OPENGL_ES_BIT)) :
+      EGL_OPENGL_BIT,
+    EGL_SURFACE_TYPE,
+    (m_wi.type != WindowInfo::Type::Surfaceless) ? EGL_WINDOW_BIT : 0,
+  };
+  int nsurface_attribs = 4;
+
+  switch (m_wi.surface_format)
+  {
+    case WindowInfo::SurfaceFormat::RGB8:
+      surface_attribs[nsurface_attribs++] = EGL_RED_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      surface_attribs[nsurface_attribs++] = EGL_GREEN_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      surface_attribs[nsurface_attribs++] = EGL_BLUE_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      break;
+
+    case WindowInfo::SurfaceFormat::RGBA8:
+      surface_attribs[nsurface_attribs++] = EGL_RED_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      surface_attribs[nsurface_attribs++] = EGL_GREEN_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      surface_attribs[nsurface_attribs++] = EGL_BLUE_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      surface_attribs[nsurface_attribs++] = EGL_ALPHA_SIZE;
+      surface_attribs[nsurface_attribs++] = 8;
+      break;
+
+    case WindowInfo::SurfaceFormat::RGB565:
+      surface_attribs[nsurface_attribs++] = EGL_RED_SIZE;
+      surface_attribs[nsurface_attribs++] = 5;
+      surface_attribs[nsurface_attribs++] = EGL_GREEN_SIZE;
+      surface_attribs[nsurface_attribs++] = 6;
+      surface_attribs[nsurface_attribs++] = EGL_BLUE_SIZE;
+      surface_attribs[nsurface_attribs++] = 5;
+      break;
+
+    case WindowInfo::SurfaceFormat::Auto:
+      break;
+
+    default:
+      UnreachableCode();
+      break;
+  }
+
+  surface_attribs[nsurface_attribs++] = EGL_NONE;
+  surface_attribs[nsurface_attribs++] = 0;
+
+  EGLint num_configs;
+  if (!eglChooseConfig(m_display, surface_attribs, nullptr, 0, &num_configs) || num_configs == 0)
+  {
+    Log_ErrorPrintf("eglChooseConfig() failed: %d", eglGetError());
+    return false;
+  }
+
+  std::vector<EGLConfig> configs(static_cast<u32>(num_configs));
+  if (!eglChooseConfig(m_display, surface_attribs, configs.data(), num_configs, &num_configs))
+  {
+    Log_ErrorPrintf("eglChooseConfig() failed: %d", eglGetError());
+    return false;
+  }
+  configs.resize(static_cast<u32>(num_configs));
+
+  std::optional<EGLConfig> config;
+  for (EGLConfig check_config : configs)
+  {
+    if (CheckConfigSurfaceFormat(check_config, m_wi.surface_format))
+    {
+      config = check_config;
+      break;
+    }
+  }
+
+  if (!config.has_value())
+  {
+    Log_WarningPrintf("No EGL configs matched exactly, using first.");
+    config = configs.front();
+  }
+
+  int attribs[8];
+  int nattribs = 0;
+  if (version.profile != Profile::NoProfile)
+  {
+    attribs[nattribs++] = EGL_CONTEXT_MAJOR_VERSION;
+    attribs[nattribs++] = version.major_version;
+    attribs[nattribs++] = EGL_CONTEXT_MINOR_VERSION;
+    attribs[nattribs++] = version.minor_version;
+  }
+  attribs[nattribs++] = EGL_NONE;
+  attribs[nattribs++] = 0;
+
+  if (!eglBindAPI((version.profile == Profile::ES) ? EGL_OPENGL_ES_API : EGL_OPENGL_API))
+  {
+    Log_ErrorPrintf("eglBindAPI(%s) failed", (version.profile == Profile::ES) ? "EGL_OPENGL_ES_API" : "EGL_OPENGL_API");
+    return false;
+  }
+
+  m_context = eglCreateContext(m_display, config.value(), share_context, attribs);
+  if (!m_context)
+  {
+    Log_ErrorPrintf("eglCreateContext() failed: %d", eglGetError());
+    return false;
+  }
+
+  Log_InfoPrintf(
+    "Got version %u.%u (%s)", version.major_version, version.minor_version,
+    version.profile == Context::Profile::ES ? "ES" : (version.profile == Context::Profile::Core ? "Core" : "None"));
+
+  m_config = config.value();
+  m_version = version;
+  return true;
+}
+
+bool ContextEGL::CreateContextAndSurface(const Version& version, EGLContext share_context, bool make_current)
+{
+  if (!CreateContext(version, share_context))
+    return false;
+
+  if (!CreateSurface())
+  {
+    Log_ErrorPrintf("Failed to create surface for context");
+    eglDestroyContext(m_display, m_context);
+    m_context = EGL_NO_CONTEXT;
+    return false;
+  }
+
+  if (make_current && !eglMakeCurrent(m_display, m_surface, m_surface, m_context))
+  {
+    Log_ErrorPrintf("eglMakeCurrent() failed: %d", eglGetError());
+    if (m_surface != EGL_NO_SURFACE)
+    {
+      eglDestroySurface(m_display, m_surface);
+      m_surface = EGL_NO_SURFACE;
+    }
+    eglDestroyContext(m_display, m_context);
+    m_context = EGL_NO_CONTEXT;
+    return false;
+  }
+
+  return true;
+}
+} // namespace GL

third_party/duckstation/gl/context_egl.h

@@ -0,0 +1,48 @@
+#pragma once
+#include "context.h"
+#include <glad/gl.h>
+
+namespace GL {
+
+class ContextEGL : public Context
+{
+public:
+  ContextEGL(const WindowInfo& wi);
+  ~ContextEGL() override;
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  void* GetProcAddress(const char* name) override;
+  virtual bool ChangeSurface(const WindowInfo& new_wi) override;
+  virtual void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
+  bool SwapBuffers() override;
+  bool MakeCurrent() override;
+  bool DoneCurrent() override;
+  bool SetSwapInterval(s32 interval) override;
+  virtual std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
+
+protected:
+  virtual bool SetDisplay();
+  virtual EGLNativeWindowType GetNativeWindow(EGLConfig config);
+
+  bool Initialize(const Version* versions_to_try, size_t num_versions_to_try);
+  bool CreateDisplay();
+  bool CreateContext(const Version& version, EGLContext share_context);
+  bool CreateContextAndSurface(const Version& version, EGLContext share_context, bool make_current);
+  bool CreateSurface();
+  bool CreatePBufferSurface();
+  bool CheckConfigSurfaceFormat(EGLConfig config, WindowInfo::SurfaceFormat format) const;
+  void DestroyContext();
+  void DestroySurface();
+
+  EGLDisplay m_display = EGL_NO_DISPLAY;
+  EGLSurface m_surface = EGL_NO_SURFACE;
+  EGLContext m_context = EGL_NO_CONTEXT;
+
+  EGLConfig m_config = {};
+
+  bool m_supports_surfaceless = false;
+};
+
+} // namespace GL

third_party/duckstation/gl/context_egl_wayland.cpp

@@ -0,0 +1,86 @@
+#include "context_egl_wayland.h"
+#include "duckstation_log.h"
+#include <dlfcn.h>
+Log_SetChannel(ContextEGLWayland);
+
+namespace GL {
+static const char* WAYLAND_EGL_MODNAME = "libwayland-egl.so.1";
+
+ContextEGLWayland::ContextEGLWayland(const WindowInfo& wi) : ContextEGL(wi) {}
+ContextEGLWayland::~ContextEGLWayland()
+{
+  if (m_wl_window)
+    m_wl_egl_window_destroy(m_wl_window);
+  if (m_wl_module)
+    dlclose(m_wl_module);
+}
+
+std::unique_ptr<Context> ContextEGLWayland::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                                   size_t num_versions_to_try)
+{
+  std::unique_ptr<ContextEGLWayland> context = std::make_unique<ContextEGLWayland>(wi);
+  if (!context->LoadModule() || !context->Initialize(versions_to_try, num_versions_to_try))
+    return nullptr;
+
+  return context;
+}
+
+std::unique_ptr<Context> ContextEGLWayland::CreateSharedContext(const WindowInfo& wi)
+{
+  std::unique_ptr<ContextEGLWayland> context = std::make_unique<ContextEGLWayland>(wi);
+  context->m_display = m_display;
+
+  if (!context->LoadModule() || !context->CreateContextAndSurface(m_version, m_context, false))
+    return nullptr;
+
+  return context;
+}
+
+void ContextEGLWayland::ResizeSurface(u32 new_surface_width, u32 new_surface_height)
+{
+  if (m_wl_window)
+    m_wl_egl_window_resize(m_wl_window, new_surface_width, new_surface_height, 0, 0);
+
+  ContextEGL::ResizeSurface(new_surface_width, new_surface_height);
+}
+
+EGLNativeWindowType ContextEGLWayland::GetNativeWindow(EGLConfig config)
+{
+  if (m_wl_window)
+  {
+    m_wl_egl_window_destroy(m_wl_window);
+    m_wl_window = nullptr;
+  }
+
+  m_wl_window =
+    m_wl_egl_window_create(static_cast<wl_surface*>(m_wi.window_handle), m_wi.surface_width, m_wi.surface_height);
+  if (!m_wl_window)
+    return {};
+
+  return reinterpret_cast<EGLNativeWindowType>(m_wl_window);
+}
+
+bool ContextEGLWayland::LoadModule()
+{
+  m_wl_module = dlopen(WAYLAND_EGL_MODNAME, RTLD_NOW | RTLD_GLOBAL);
+  if (!m_wl_module)
+  {
+    Log_ErrorPrintf("Failed to load %s.", WAYLAND_EGL_MODNAME);
+    return false;
+  }
+
+  m_wl_egl_window_create =
+    reinterpret_cast<decltype(m_wl_egl_window_create)>(dlsym(m_wl_module, "wl_egl_window_create"));
+  m_wl_egl_window_destroy =
+    reinterpret_cast<decltype(m_wl_egl_window_destroy)>(dlsym(m_wl_module, "wl_egl_window_destroy"));
+  m_wl_egl_window_resize =
+    reinterpret_cast<decltype(m_wl_egl_window_resize)>(dlsym(m_wl_module, "wl_egl_window_resize"));
+  if (!m_wl_egl_window_create || !m_wl_egl_window_destroy || !m_wl_egl_window_resize)
+  {
+    Log_ErrorPrintf("Failed to load one or more functions from %s.", WAYLAND_EGL_MODNAME);
+    return false;
+  }
+
+  return true;
+}
+} // namespace GL

third_party/duckstation/gl/context_egl_wayland.h

@@ -0,0 +1,33 @@
+#pragma once
+#include "context_egl.h"
+#include <wayland-egl.h>
+
+namespace GL {
+
+class ContextEGLWayland final : public ContextEGL
+{
+public:
+  ContextEGLWayland(const WindowInfo& wi);
+  ~ContextEGLWayland() override;
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
+  void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
+
+protected:
+  EGLNativeWindowType GetNativeWindow(EGLConfig config) override;
+
+private:
+  bool LoadModule();
+
+  wl_egl_window* m_wl_window = nullptr;
+
+  void* m_wl_module = nullptr;
+  wl_egl_window* (*m_wl_egl_window_create)(struct wl_surface* surface, int width, int height);
+  void (*m_wl_egl_window_destroy)(struct wl_egl_window* egl_window);
+  void (*m_wl_egl_window_resize)(struct wl_egl_window* egl_window, int width, int height, int dx, int dy);
+};
+
+} // namespace GL

third_party/duckstation/gl/context_egl_x11.cpp

@@ -0,0 +1,69 @@
+#include "context_egl_x11.h"
+#include "duckstation_log.h"
+Log_SetChannel(GL::ContextEGLX11);
+
+namespace GL {
+ContextEGLX11::ContextEGLX11(const WindowInfo& wi) : ContextEGL(wi) {}
+ContextEGLX11::~ContextEGLX11() = default;
+
+std::unique_ptr<Context> ContextEGLX11::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                               size_t num_versions_to_try)
+{
+  std::unique_ptr<ContextEGLX11> context = std::make_unique<ContextEGLX11>(wi);
+  if (!context->Initialize(versions_to_try, num_versions_to_try))
+    return nullptr;
+
+  return context;
+}
+
+std::unique_ptr<Context> ContextEGLX11::CreateSharedContext(const WindowInfo& wi)
+{
+  std::unique_ptr<ContextEGLX11> context = std::make_unique<ContextEGLX11>(wi);
+  context->m_display = m_display;
+
+  if (!context->CreateContextAndSurface(m_version, m_context, false))
+    return nullptr;
+
+  return context;
+}
+
+void ContextEGLX11::ResizeSurface(u32 new_surface_width, u32 new_surface_height)
+{
+  m_window.Resize();
+  ContextEGL::ResizeSurface(new_surface_width, new_surface_height);
+}
+
+EGLNativeWindowType ContextEGLX11::GetNativeWindow(EGLConfig config)
+{
+  X11InhibitErrors ei;
+
+  EGLint native_visual_id = 0;
+  if (!eglGetConfigAttrib(m_display, m_config, EGL_NATIVE_VISUAL_ID, &native_visual_id))
+  {
+    Log_ErrorPrintf("Failed to get X11 visual ID");
+    return false;
+  }
+
+  XVisualInfo vi_query = {};
+  vi_query.visualid = native_visual_id;
+
+  int num_vis;
+  XVisualInfo* vi = XGetVisualInfo(static_cast<Display*>(m_wi.display_connection), VisualIDMask, &vi_query, &num_vis);
+  if (num_vis <= 0 || !vi)
+  {
+    Log_ErrorPrintf("Failed to query visual from X11");
+    return false;
+  }
+
+  m_window.Destroy();
+  if (!m_window.Create(GetDisplay(), static_cast<Window>(reinterpret_cast<uintptr_t>(m_wi.window_handle)), vi))
+  {
+    Log_ErrorPrintf("Faild to create X11 child window");
+    XFree(vi);
+    return false;
+  }
+
+  XFree(vi);
+  return static_cast<EGLNativeWindowType>(m_window.GetWindow());
+}
+} // namespace GL

third_party/duckstation/gl/context_egl_x11.h

@@ -0,0 +1,28 @@
+#pragma once
+#include "context_egl.h"
+#include "x11_window.h"
+
+namespace GL {
+
+class ContextEGLX11 final : public ContextEGL
+{
+public:
+  ContextEGLX11(const WindowInfo& wi);
+  ~ContextEGLX11() override;
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
+  void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
+
+protected:
+  EGLNativeWindowType GetNativeWindow(EGLConfig config) override;
+
+private:
+  ALWAYS_INLINE Display* GetDisplay() const { return static_cast<Display*>(m_wi.display_connection); }
+
+  X11Window m_window;
+};
+
+} // namespace GL

third_party/duckstation/gl/context_glx.cpp

@@ -0,0 +1,328 @@
+#include "context_glx.h"
+#include "duckstation_compat.h"
+#include "duckstation_log.h"
+#include <dlfcn.h>
+Log_SetChannel(GL::ContextGLX);
+
+namespace GL {
+ContextGLX::ContextGLX(const WindowInfo& wi) : Context(wi) {}
+
+ContextGLX::~ContextGLX()
+{
+  if (glXGetCurrentContext() == m_context)
+    glXMakeCurrent(GetDisplay(), None, nullptr);
+
+  if (m_context)
+    glXDestroyContext(GetDisplay(), m_context);
+
+  if (m_vi)
+    XFree(m_vi);
+
+  if (m_libGL_handle)
+    dlclose(m_libGL_handle);
+}
+
+std::unique_ptr<Context> ContextGLX::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                            size_t num_versions_to_try)
+{
+  std::unique_ptr<ContextGLX> context = std::make_unique<ContextGLX>(wi);
+  if (!context->Initialize(versions_to_try, num_versions_to_try))
+    return nullptr;
+
+  return context;
+}
+
+bool ContextGLX::Initialize(const Version* versions_to_try, size_t num_versions_to_try)
+{
+  // We need libGL loaded, because GLAD loads its own, then releases it.
+  m_libGL_handle = dlopen("libGL.so.1", RTLD_NOW | RTLD_GLOBAL);
+  if (!m_libGL_handle)
+  {
+    m_libGL_handle = dlopen("libGL.so", RTLD_NOW | RTLD_GLOBAL);
+    if (!m_libGL_handle)
+    {
+      Log_ErrorPrintf("Failed to load libGL.so: %s", dlerror());
+      return false;
+    }
+  }
+
+  const int screen = DefaultScreen(GetDisplay());
+  if (!gladLoadGLX(GetDisplay(), screen))
+  {
+    Log_ErrorPrintf("Loading GLAD GLX functions failed");
+    return false;
+  }
+
+  if (m_wi.type == WindowInfo::Type::X11)
+  {
+    if (!CreateWindow(screen))
+      return false;
+  }
+  else
+  {
+    Panic("Create pbuffer");
+  }
+
+  for (size_t i = 0; i < num_versions_to_try; i++)
+  {
+    const Version& cv = versions_to_try[i];
+    if (cv.profile == Profile::NoProfile && CreateAnyContext(nullptr, true))
+    {
+      m_version = cv;
+      return true;
+    }
+    else if (cv.profile != Profile::NoProfile && CreateVersionContext(cv, nullptr, true))
+    {
+      m_version = cv;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void* ContextGLX::GetProcAddress(const char* name)
+{
+  return reinterpret_cast<void*>(glXGetProcAddress(reinterpret_cast<const GLubyte*>(name)));
+}
+
+bool ContextGLX::ChangeSurface(const WindowInfo& new_wi)
+{
+  const bool was_current = (glXGetCurrentContext() == m_context);
+  if (was_current)
+    glXMakeCurrent(GetDisplay(), None, nullptr);
+
+  m_window.Destroy();
+  m_wi = new_wi;
+
+  if (new_wi.type == WindowInfo::Type::X11)
+  {
+    const int screen = DefaultScreen(GetDisplay());
+    if (!CreateWindow(screen))
+      return false;
+  }
+
+  if (was_current && !glXMakeCurrent(GetDisplay(), GetDrawable(), m_context))
+  {
+    Log_ErrorPrintf("Failed to make context current again after surface change");
+    return false;
+  }
+
+  return true;
+}
+
+void ContextGLX::ResizeSurface(u32 new_surface_width /*= 0*/, u32 new_surface_height /*= 0*/)
+{
+  m_window.Resize(new_surface_width, new_surface_height);
+  m_wi.surface_width = m_window.GetWidth();
+  m_wi.surface_height = m_window.GetHeight();
+}
+
+bool ContextGLX::SwapBuffers()
+{
+  glXSwapBuffers(GetDisplay(), GetDrawable());
+  return true;
+}
+
+bool ContextGLX::MakeCurrent()
+{
+  return (glXMakeCurrent(GetDisplay(), GetDrawable(), m_context) == True);
+}
+
+bool ContextGLX::DoneCurrent()
+{
+  return (glXMakeCurrent(GetDisplay(), None, nullptr) == True);
+}
+
+bool ContextGLX::SetSwapInterval(s32 interval)
+{
+  if (GLAD_GLX_EXT_swap_control)
+  {
+    glXSwapIntervalEXT(GetDisplay(), GetDrawable(), interval);
+    return true;
+  }
+  else if (GLAD_GLX_MESA_swap_control)
+  {
+    return (glXSwapIntervalMESA(static_cast<u32>(std::max(interval, 0))) != 0);
+  }
+  else if (GLAD_GLX_SGI_swap_control)
+  {
+    return (glXSwapIntervalSGI(interval) != 0);
+  }
+  else
+  {
+    return false;
+  }
+}
+
+std::unique_ptr<Context> ContextGLX::CreateSharedContext(const WindowInfo& wi)
+{
+  std::unique_ptr<ContextGLX> context = std::make_unique<ContextGLX>(wi);
+  if (wi.type == WindowInfo::Type::X11)
+  {
+    const int screen = DefaultScreen(context->GetDisplay());
+    if (!context->CreateWindow(screen))
+      return nullptr;
+  }
+  else
+  {
+    Panic("Create pbuffer");
+  }
+
+  if (m_version.profile == Profile::NoProfile)
+  {
+    if (!context->CreateAnyContext(m_context, false))
+      return nullptr;
+  }
+  else
+  {
+    if (!context->CreateVersionContext(m_version, m_context, false))
+      return nullptr;
+  }
+
+  context->m_version = m_version;
+  return context;
+}
+
+bool ContextGLX::CreateWindow(int screen)
+{
+  int attribs[32] = {GLX_X_RENDERABLE,  True,           GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
+                     GLX_X_VISUAL_TYPE, GLX_TRUE_COLOR, GLX_DOUBLEBUFFER,  True};
+  int nattribs = 8;
+
+  switch (m_wi.surface_format)
+  {
+    case WindowInfo::SurfaceFormat::RGB8:
+      attribs[nattribs++] = GLX_RED_SIZE;
+      attribs[nattribs++] = 8;
+      attribs[nattribs++] = GLX_GREEN_SIZE;
+      attribs[nattribs++] = 8;
+      attribs[nattribs++] = GLX_BLUE_SIZE;
+      attribs[nattribs++] = 8;
+      break;
+
+    case WindowInfo::SurfaceFormat::RGBA8:
+      attribs[nattribs++] = GLX_RED_SIZE;
+      attribs[nattribs++] = 8;
+      attribs[nattribs++] = GLX_GREEN_SIZE;
+      attribs[nattribs++] = 8;
+      attribs[nattribs++] = GLX_BLUE_SIZE;
+      attribs[nattribs++] = 8;
+      attribs[nattribs++] = GLX_ALPHA_SIZE;
+      attribs[nattribs++] = 8;
+      break;
+
+    case WindowInfo::SurfaceFormat::RGB565:
+      attribs[nattribs++] = GLX_RED_SIZE;
+      attribs[nattribs++] = 5;
+      attribs[nattribs++] = GLX_GREEN_SIZE;
+      attribs[nattribs++] = 6;
+      attribs[nattribs++] = GLX_BLUE_SIZE;
+      attribs[nattribs++] = 5;
+      break;
+
+    case WindowInfo::SurfaceFormat::Auto:
+      break;
+
+    default:
+      UnreachableCode();
+      break;
+  }
+
+  attribs[nattribs++] = None;
+  attribs[nattribs++] = 0;
+
+  int fbcount = 0;
+  GLXFBConfig* fbc = glXChooseFBConfig(GetDisplay(), screen, attribs, &fbcount);
+  if (!fbc || !fbcount)
+  {
+    Log_ErrorPrintf("glXChooseFBConfig() failed");
+    return false;
+  }
+  m_fb_config = *fbc;
+  XFree(fbc);
+
+  if (!GLAD_GLX_VERSION_1_3)
+  {
+    Log_ErrorPrintf("GLX Version 1.3 is required");
+    return false;
+  }
+
+  m_vi = glXGetVisualFromFBConfig(GetDisplay(), m_fb_config);
+  if (!m_vi)
+  {
+    Log_ErrorPrintf("glXGetVisualFromFBConfig() failed");
+    return false;
+  }
+
+  return m_window.Create(GetDisplay(), static_cast<Window>(reinterpret_cast<uintptr_t>(m_wi.window_handle)), m_vi);
+}
+
+bool ContextGLX::CreateAnyContext(GLXContext share_context, bool make_current)
+{
+  X11InhibitErrors ie;
+
+  m_context = glXCreateContext(GetDisplay(), m_vi, share_context, True);
+  if (!m_context || ie.HadError())
+  {
+    Log_ErrorPrintf("glxCreateContext() failed");
+    return false;
+  }
+
+  if (make_current)
+  {
+    if (!glXMakeCurrent(GetDisplay(), GetDrawable(), m_context))
+    {
+      Log_ErrorPrintf("glXMakeCurrent() failed");
+      return false;
+    }
+  }
+
+  return true;
+}
+
+bool ContextGLX::CreateVersionContext(const Version& version, GLXContext share_context, bool make_current)
+{
+  // we need create context attribs
+  if (!GLAD_GLX_VERSION_1_3)
+  {
+    Log_ErrorPrint("Missing GLX version 1.3.");
+    return false;
+  }
+
+  int attribs[32];
+  int nattribs = 0;
+  attribs[nattribs++] = GLX_CONTEXT_PROFILE_MASK_ARB;
+  attribs[nattribs++] =
+    ((version.profile == Profile::ES) ?
+       ((version.major_version >= 2) ? GLX_CONTEXT_ES2_PROFILE_BIT_EXT : GLX_CONTEXT_ES_PROFILE_BIT_EXT) :
+       GLX_CONTEXT_CORE_PROFILE_BIT_ARB);
+  attribs[nattribs++] = GLX_CONTEXT_MAJOR_VERSION_ARB;
+  attribs[nattribs++] = version.major_version;
+  attribs[nattribs++] = GLX_CONTEXT_MINOR_VERSION_ARB;
+  attribs[nattribs++] = version.minor_version;
+  attribs[nattribs++] = None;
+  attribs[nattribs++] = 0;
+
+  X11InhibitErrors ie;
+  m_context = glXCreateContextAttribsARB(GetDisplay(), m_fb_config, share_context, True, attribs);
+  XSync(GetDisplay(), False);
+  if (ie.HadError())
+    m_context = nullptr;
+  if (!m_context)
+    return false;
+
+  if (make_current)
+  {
+    if (!glXMakeCurrent(GetDisplay(), GetDrawable(), m_context))
+    {
+      Log_ErrorPrint("glXMakeCurrent() failed");
+      glXDestroyContext(GetDisplay(), m_context);
+      m_context = nullptr;
+      return false;
+    }
+  }
+
+  return true;
+}
+} // namespace GL

third_party/duckstation/gl/context_glx.h

@@ -0,0 +1,44 @@
+#pragma once
+#include "context.h"
+#include "../../glad/glad_glx.h"
+#include "x11_window.h"
+
+namespace GL {
+
+class ContextGLX final : public Context
+{
+public:
+  ContextGLX(const WindowInfo& wi);
+  ~ContextGLX() override;
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  void* GetProcAddress(const char* name) override;
+  bool ChangeSurface(const WindowInfo& new_wi) override;
+  void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
+  bool SwapBuffers() override;
+  bool MakeCurrent() override;
+  bool DoneCurrent() override;
+  bool SetSwapInterval(s32 interval) override;
+  std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
+
+private:
+  ALWAYS_INLINE Display* GetDisplay() const { return static_cast<Display*>(m_wi.display_connection); }
+  ALWAYS_INLINE GLXDrawable GetDrawable() const { return static_cast<GLXDrawable>(m_window.GetWindow()); }
+
+  bool Initialize(const Version* versions_to_try, size_t num_versions_to_try);
+  bool CreateWindow(int screen);
+  bool CreateAnyContext(GLXContext share_context, bool make_current);
+  bool CreateVersionContext(const Version& version, GLXContext share_context, bool make_current);
+
+  GLXContext m_context = nullptr;
+  GLXFBConfig m_fb_config = {};
+  XVisualInfo* m_vi = nullptr;
+  X11Window m_window;
+
+  // GLAD releases its reference to libGL.so, so we need to maintain our own.
+  void* m_libGL_handle = nullptr;
+};
+
+} // namespace GL

third_party/duckstation/gl/context_wgl.cpp

@@ -0,0 +1,452 @@
+#include "context_wgl.h"
+#include "duckstation_compat.h"
+#include "duckstation_log.h"
+#include "duckstation_scoped_guard.h"
+#include "loader.h"
+Log_SetChannel(GL::ContextWGL);
+
+// TODO: get rid of this
+#pragma comment(lib, "opengl32.lib")
+
+static void* GetProcAddressCallback(const char* name)
+{
+  void* addr = reinterpret_cast<void*>(wglGetProcAddress(name));
+  if (addr)
+    return addr;
+
+  // try opengl32.dll
+  return reinterpret_cast<void*>(::GetProcAddress(GetModuleHandleA("opengl32.dll"), name));
+}
+
+namespace GL {
+ContextWGL::ContextWGL(const WindowInfo& wi) : Context(wi) {}
+
+ContextWGL::~ContextWGL()
+{
+  if (wglGetCurrentContext() == m_rc)
+    wglMakeCurrent(m_dc, nullptr);
+
+  if (m_rc)
+    wglDeleteContext(m_rc);
+
+  ReleaseDC();
+}
+
+std::unique_ptr<Context> ContextWGL::Create(const WindowInfo& wi, const Version* versions_to_try,
+                                            size_t num_versions_to_try)
+{
+  std::unique_ptr<ContextWGL> context = std::make_unique<ContextWGL>(wi);
+  if (!context->Initialize(versions_to_try, num_versions_to_try))
+    return nullptr;
+
+  return context;
+}
+
+bool ContextWGL::Initialize(const Version* versions_to_try, size_t num_versions_to_try)
+{
+  if (m_wi.type == WindowInfo::Type::Win32)
+  {
+    if (!InitializeDC())
+      return false;
+  }
+  else
+  {
+    Log_ErrorPrint("ContextWGL must always start with a valid surface.");
+    return false;
+  }
+
+  // Everything including core/ES requires a dummy profile to load the WGL extensions.
+  if (!CreateAnyContext(nullptr, true))
+    return false;
+
+  for (size_t i = 0; i < num_versions_to_try; i++)
+  {
+    const Version& cv = versions_to_try[i];
+    if (cv.profile == Profile::NoProfile)
+    {
+      // we already have the dummy context, so just use that
+      m_version = cv;
+      return true;
+    }
+    else if (CreateVersionContext(cv, nullptr, true))
+    {
+      m_version = cv;
+      return true;
+    }
+  }
+
+  return false;
+}
+
+void* ContextWGL::GetProcAddress(const char* name)
+{
+  return GetProcAddressCallback(name);
+}
+
+bool ContextWGL::ChangeSurface(const WindowInfo& new_wi)
+{
+  const bool was_current = (wglGetCurrentContext() == m_rc);
+
+  ReleaseDC();
+
+  m_wi = new_wi;
+  if (!InitializeDC())
+    return false;
+
+  if (was_current && !wglMakeCurrent(m_dc, m_rc))
+  {
+    Log_ErrorPrintf("Failed to make context current again after surface change: 0x%08X", GetLastError());
+    return false;
+  }
+
+  return true;
+}
+
+void ContextWGL::ResizeSurface(u32 new_surface_width /*= 0*/, u32 new_surface_height /*= 0*/)
+{
+  RECT client_rc = {};
+  GetClientRect(GetHWND(), &client_rc);
+  m_wi.surface_width = static_cast<u32>(client_rc.right - client_rc.left);
+  m_wi.surface_height = static_cast<u32>(client_rc.bottom - client_rc.top);
+}
+
+bool ContextWGL::SwapBuffers()
+{
+  return ::SwapBuffers(m_dc);
+}
+
+bool ContextWGL::MakeCurrent()
+{
+  if (!wglMakeCurrent(m_dc, m_rc))
+  {
+    Log_ErrorPrintf("wglMakeCurrent() failed: 0x%08X", GetLastError());
+    return false;
+  }
+
+  return true;
+}
+
+bool ContextWGL::DoneCurrent()
+{
+  return wglMakeCurrent(m_dc, nullptr);
+}
+
+bool ContextWGL::SetSwapInterval(s32 interval)
+{
+  if (!GLAD_WGL_EXT_swap_control)
+    return false;
+
+  return wglSwapIntervalEXT(interval);
+}
+
+std::unique_ptr<Context> ContextWGL::CreateSharedContext(const WindowInfo& wi)
+{
+  std::unique_ptr<ContextWGL> context = std::make_unique<ContextWGL>(wi);
+  if (wi.type == WindowInfo::Type::Win32)
+  {
+    if (!context->InitializeDC())
+      return nullptr;
+  }
+  else
+  {
+    Log_ErrorPrint("PBuffer not implemented");
+    return nullptr;
+  }
+
+  if (m_version.profile == Profile::NoProfile)
+  {
+    if (!context->CreateAnyContext(m_rc, false))
+      return nullptr;
+  }
+  else
+  {
+    if (!context->CreateVersionContext(m_version, m_rc, false))
+      return nullptr;
+  }
+
+  context->m_version = m_version;
+  return context;
+}
+
+HDC ContextWGL::GetDCAndSetPixelFormat(HWND hwnd)
+{
+  PIXELFORMATDESCRIPTOR pfd = {};
+  pfd.nSize = sizeof(pfd);
+  pfd.nVersion = 1;
+  pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
+  pfd.iPixelType = PFD_TYPE_RGBA;
+  pfd.dwLayerMask = PFD_MAIN_PLANE;
+  pfd.cRedBits = 8;
+  pfd.cGreenBits = 8;
+  pfd.cBlueBits = 8;
+  pfd.cColorBits = 24;
+
+  HDC hDC = ::GetDC(hwnd);
+  if (!hDC)
+  {
+    Log_ErrorPrintf("GetDC() failed: 0x%08X", GetLastError());
+    return {};
+  }
+
+  if (!m_pixel_format.has_value())
+  {
+    const int pf = ChoosePixelFormat(hDC, &pfd);
+    if (pf == 0)
+    {
+      Log_ErrorPrintf("ChoosePixelFormat() failed: 0x%08X", GetLastError());
+      ::ReleaseDC(hwnd, hDC);
+      return {};
+    }
+
+    m_pixel_format = pf;
+  }
+
+  if (!SetPixelFormat(hDC, m_pixel_format.value(), &pfd))
+  {
+    Log_ErrorPrintf("SetPixelFormat() failed: 0x%08X", GetLastError());
+    ::ReleaseDC(hwnd, hDC);
+    return {};
+  }
+
+  return hDC;
+}
+
+bool ContextWGL::InitializeDC()
+{
+  if (m_wi.type == WindowInfo::Type::Win32)
+  {
+    m_dc = GetDCAndSetPixelFormat(GetHWND());
+    if (!m_dc)
+    {
+      Log_ErrorPrint("Failed to get DC for window");
+      return false;
+    }
+
+    return true;
+  }
+  else if (m_wi.type == WindowInfo::Type::Surfaceless)
+  {
+    return CreatePBuffer();
+  }
+  else
+  {
+    Log_ErrorPrintf("Unknown window info type %u", static_cast<unsigned>(m_wi.type));
+    return false;
+  }
+}
+
+void ContextWGL::ReleaseDC()
+{
+  if (m_pbuffer)
+  {
+    wglReleasePbufferDCARB(m_pbuffer, m_dc);
+    m_dc = {};
+
+    wglDestroyPbufferARB(m_pbuffer);
+    m_pbuffer = {};
+
+    ::ReleaseDC(m_dummy_window, m_dummy_dc);
+    m_dummy_dc = {};
+
+    DestroyWindow(m_dummy_window);
+    m_dummy_window = {};
+  }
+  else if (m_dc)
+  {
+    ::ReleaseDC(GetHWND(), m_dc);
+    m_dc = {};
+  }
+}
+
+bool ContextWGL::CreatePBuffer()
+{
+  static bool window_class_registered = false;
+  static const wchar_t* window_class_name = L"ContextWGLPBuffer";
+
+  if (!window_class_registered)
+  {
+    WNDCLASSEXW wc = {};
+    wc.cbSize = sizeof(WNDCLASSEXW);
+    wc.style = 0;
+    wc.lpfnWndProc = DefWindowProcW;
+    wc.cbClsExtra = 0;
+    wc.cbWndExtra = 0;
+    wc.hInstance = GetModuleHandle(nullptr);
+    wc.hIcon = NULL;
+    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+    wc.lpszMenuName = NULL;
+    wc.lpszClassName = window_class_name;
+    wc.hIconSm = NULL;
+
+    if (!RegisterClassExW(&wc))
+    {
+      Log_ErrorPrint("(ContextWGL::CreatePBuffer) RegisterClassExW() failed");
+      return false;
+    }
+
+    window_class_registered = true;
+  }
+
+  HWND hwnd = CreateWindowExW(0, window_class_name, window_class_name, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL);
+  if (!hwnd)
+  {
+    Log_ErrorPrint("(ContextWGL::CreatePBuffer) CreateWindowEx() failed");
+    return false;
+  }
+
+  ScopedGuard hwnd_guard([hwnd]() { DestroyWindow(hwnd); });
+
+  HDC hdc = GetDCAndSetPixelFormat(hwnd);
+  if (!hdc)
+    return false;
+
+  ScopedGuard hdc_guard([hdc, hwnd]() { ::ReleaseDC(hwnd, hdc); });
+
+  static constexpr const int pb_attribs[] = {0, 0};
+
+  AssertMsg(m_pixel_format.has_value(), "Has pixel format for pbuffer");
+  HPBUFFERARB pbuffer = wglCreatePbufferARB(hdc, m_pixel_format.value(), 1, 1, pb_attribs);
+  if (!pbuffer)
+  {
+    Log_ErrorPrint("(ContextWGL::CreatePBuffer) wglCreatePbufferARB() failed");
+    return false;
+  }
+
+  ScopedGuard pbuffer_guard([pbuffer]() { wglDestroyPbufferARB(pbuffer); });
+
+  m_dc = wglGetPbufferDCARB(pbuffer);
+  if (!m_dc)
+  {
+    Log_ErrorPrint("(ContextWGL::CreatePbuffer) wglGetPbufferDCARB() failed");
+    return false;
+  }
+
+  m_dummy_window = hwnd;
+  m_dummy_dc = hdc;
+  m_pbuffer = pbuffer;
+
+  pbuffer_guard.Cancel();
+  hdc_guard.Cancel();
+  hwnd_guard.Cancel();
+  return true;
+}
+
+bool ContextWGL::CreateAnyContext(HGLRC share_context, bool make_current)
+{
+  m_rc = wglCreateContext(m_dc);
+  if (!m_rc)
+  {
+    Log_ErrorPrintf("wglCreateContext() failed: 0x%08X", GetLastError());
+    return false;
+  }
+
+  if (make_current)
+  {
+    if (!wglMakeCurrent(m_dc, m_rc))
+    {
+      Log_ErrorPrintf("wglMakeCurrent() failed: 0x%08X", GetLastError());
+      return false;
+    }
+
+    // re-init glad-wgl
+    if (!gladLoadWGLLoader([](const char* name) -> void* { return reinterpret_cast<void*>(wglGetProcAddress(name)); }, m_dc))
+    {
+      Log_ErrorPrint("Loading GLAD WGL functions failed");
+      return false;
+    }
+  }
+
+  if (share_context && !wglShareLists(share_context, m_rc))
+  {
+    Log_ErrorPrintf("wglShareLists() failed: 0x%08X", GetLastError());
+    return false;
+  }
+
+  return true;
+}
+
+bool ContextWGL::CreateVersionContext(const Version& version, HGLRC share_context, bool make_current)
+{
+  // we need create context attribs
+  if (!GLAD_WGL_ARB_create_context)
+  {
+    Log_ErrorPrint("Missing GLAD_WGL_ARB_create_context.");
+    return false;
+  }
+
+  HGLRC new_rc;
+  if (version.profile == Profile::Core)
+  {
+    const int attribs[] = {WGL_CONTEXT_PROFILE_MASK_ARB,
+                           WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
+                           WGL_CONTEXT_MAJOR_VERSION_ARB,
+                           version.major_version,
+                           WGL_CONTEXT_MINOR_VERSION_ARB,
+                           version.minor_version,
+#ifdef _DEBUG
+                           WGL_CONTEXT_FLAGS_ARB,
+                           WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB | WGL_CONTEXT_DEBUG_BIT_ARB,
+#else
+                           WGL_CONTEXT_FLAGS_ARB,
+                           WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
+#endif
+                           0,
+                           0};
+
+    new_rc = wglCreateContextAttribsARB(m_dc, share_context, attribs);
+  }
+  else if (version.profile == Profile::ES)
+  {
+    if ((version.major_version >= 2 && !GLAD_WGL_EXT_create_context_es2_profile) ||
+        (version.major_version < 2 && !GLAD_WGL_EXT_create_context_es_profile))
+    {
+      Log_ErrorPrint("WGL_EXT_create_context_es_profile not supported");
+      return false;
+    }
+
+    const int attribs[] = {
+      WGL_CONTEXT_PROFILE_MASK_ARB,
+      ((version.major_version >= 2) ? WGL_CONTEXT_ES2_PROFILE_BIT_EXT : WGL_CONTEXT_ES_PROFILE_BIT_EXT),
+      WGL_CONTEXT_MAJOR_VERSION_ARB,
+      version.major_version,
+      WGL_CONTEXT_MINOR_VERSION_ARB,
+      version.minor_version,
+      0,
+      0};
+
+    new_rc = wglCreateContextAttribsARB(m_dc, share_context, attribs);
+  }
+  else
+  {
+    Log_ErrorPrint("Unknown profile");
+    return false;
+  }
+
+  if (!new_rc)
+    return false;
+
+  // destroy and swap contexts
+  if (m_rc)
+  {
+    if (!wglMakeCurrent(m_dc, make_current ? new_rc : nullptr))
+    {
+      Log_ErrorPrintf("wglMakeCurrent() failed: 0x%08X", GetLastError());
+      wglDeleteContext(new_rc);
+      return false;
+    }
+
+    // re-init glad-wgl
+    if (make_current && !gladLoadWGLLoader([](const char* name) -> void* { return reinterpret_cast<void*>(wglGetProcAddress(name)); }, m_dc))
+    {
+      Log_ErrorPrint("Loading GLAD WGL functions failed");
+      return false;
+    }
+
+    wglDeleteContext(m_rc);
+  }
+
+  m_rc = new_rc;
+  return true;
+}
+} // namespace GL

third_party/duckstation/gl/context_wgl.h

@@ -0,0 +1,53 @@
+#pragma once
+#include "windows_headers.h"
+
+#include "context.h"
+#include <glad/glad_wgl.h>
+#include "loader.h"
+#include <optional>
+
+namespace GL {
+
+class ContextWGL final : public Context
+{
+public:
+  ContextWGL(const WindowInfo& wi);
+  ~ContextWGL() override;
+
+  static std::unique_ptr<Context> Create(const WindowInfo& wi, const Version* versions_to_try,
+                                         size_t num_versions_to_try);
+
+  void* GetProcAddress(const char* name) override;
+  bool ChangeSurface(const WindowInfo& new_wi) override;
+  void ResizeSurface(u32 new_surface_width = 0, u32 new_surface_height = 0) override;
+  bool SwapBuffers() override;
+  bool MakeCurrent() override;
+  bool DoneCurrent() override;
+  bool SetSwapInterval(s32 interval) override;
+  std::unique_ptr<Context> CreateSharedContext(const WindowInfo& wi) override;
+
+private:
+  ALWAYS_INLINE HWND GetHWND() const { return static_cast<HWND>(m_wi.window_handle); }
+
+  HDC GetDCAndSetPixelFormat(HWND hwnd);
+
+  bool Initialize(const Version* versions_to_try, size_t num_versions_to_try);
+  bool InitializeDC();
+  void ReleaseDC();
+  bool CreatePBuffer();
+  bool CreateAnyContext(HGLRC share_context, bool make_current);
+  bool CreateVersionContext(const Version& version, HGLRC share_context, bool make_current);
+
+  HDC m_dc = {};
+  HGLRC m_rc = {};
+
+  // Can't change pixel format once it's set for a RC.
+  std::optional<int> m_pixel_format;
+
+  // Dummy window for creating a PBuffer off when we're surfaceless.
+  HWND m_dummy_window = {};
+  HDC m_dummy_dc = {};
+  HPBUFFERARB m_pbuffer = {};
+};
+
+} // namespace GL

third_party/duckstation/gl/loader.h

@@ -0,0 +1,8 @@
+#pragma once
+
+// Fix glad.h including windows.h
+#ifdef _WIN32
+#include "windows_headers.h"
+#endif
+
+#include <glad/gl.h>

third_party/duckstation/gl/x11_window.cpp

@@ -0,0 +1,101 @@
+#include "x11_window.h"
+#include "duckstation_log.h"
+#include "duckstation_compat.h"
+#include <cstdio>
+Log_SetChannel(X11Window);
+
+namespace GL {
+X11Window::X11Window() = default;
+
+X11Window::~X11Window()
+{
+  Destroy();
+}
+
+bool X11Window::Create(Display* display, Window parent_window, const XVisualInfo* vi)
+{
+  m_display = display;
+  m_parent_window = parent_window;
+  XSync(m_display, True);
+
+  XWindowAttributes parent_wa = {};
+  XGetWindowAttributes(m_display, m_parent_window, &parent_wa);
+  m_width = static_cast<u32>(parent_wa.width);
+  m_height = static_cast<u32>(parent_wa.height);
+
+  // Failed X calls terminate the process so no need to check for errors.
+  // We could swap the error handler out here as well.
+  m_colormap = XCreateColormap(m_display, m_parent_window, vi->visual, AllocNone);
+
+  XSetWindowAttributes wa = {};
+  wa.colormap = m_colormap;
+
+  m_window = XCreateWindow(m_display, m_parent_window, 0, 0, m_width, m_height, 0, vi->depth, InputOutput, vi->visual,
+                           CWColormap, &wa);
+  XMapWindow(m_display, m_window);
+  XSync(m_display, True);
+
+  return true;
+}
+
+void X11Window::Destroy()
+{
+  if (m_window)
+  {
+    XUnmapWindow(m_display, m_window);
+    XDestroyWindow(m_display, m_window);
+    m_window = {};
+  }
+
+  if (m_colormap)
+  {
+    XFreeColormap(m_display, m_colormap);
+    m_colormap = {};
+  }
+}
+
+void X11Window::Resize(u32 width, u32 height)
+{
+  if (width != 0 && height != 0)
+  {
+    m_width = width;
+    m_height = height;
+  }
+  else
+  {
+    XWindowAttributes parent_wa = {};
+    XGetWindowAttributes(m_display, m_parent_window, &parent_wa);
+    m_width = static_cast<u32>(parent_wa.width);
+    m_height = static_cast<u32>(parent_wa.height);
+  }
+
+  XResizeWindow(m_display, m_window, m_width, m_height);
+}
+
+static X11InhibitErrors* s_current_error_inhibiter;
+
+X11InhibitErrors::X11InhibitErrors()
+{
+  Assert(!s_current_error_inhibiter);
+  m_old_handler = XSetErrorHandler(ErrorHandler);
+  s_current_error_inhibiter = this;
+}
+
+X11InhibitErrors::~X11InhibitErrors()
+{
+  Assert(s_current_error_inhibiter == this);
+  s_current_error_inhibiter = nullptr;
+  XSetErrorHandler(m_old_handler);
+}
+
+int X11InhibitErrors::ErrorHandler(Display* display, XErrorEvent* ee)
+{
+  char error_string[256] = {};
+  XGetErrorText(display, ee->error_code, error_string, sizeof(error_string));
+  Log_WarningPrintf("X11 Error: %s (Error %u Minor %u Request %u)", error_string, ee->error_code, ee->minor_code,
+                    ee->request_code);
+
+  s_current_error_inhibiter->m_had_error = true;
+  return 0;
+}
+} // namespace GL

third_party/duckstation/gl/x11_window.h

@@ -0,0 +1,48 @@
+#pragma once
+#include "duckstation_compat.h"
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+namespace GL {
+class X11Window
+{
+public:
+  X11Window();
+  ~X11Window();
+
+  ALWAYS_INLINE Window GetWindow() const { return m_window; }
+  ALWAYS_INLINE u32 GetWidth() const { return m_width; }
+  ALWAYS_INLINE u32 GetHeight() const { return m_height; }
+
+  bool Create(Display* display, Window parent_window, const XVisualInfo* vi);
+  void Destroy();
+
+  // Setting a width/height of 0 will use parent dimensions.
+  void Resize(u32 width = 0, u32 height = 0);
+
+private:
+  Display* m_display = nullptr;
+  Window m_parent_window = {};
+  Window m_window = {};
+  Colormap m_colormap = {};
+  u32 m_width = 0;
+  u32 m_height = 0;
+};
+
+// Helper class for managing X errors
+class X11InhibitErrors
+{
+public:
+  X11InhibitErrors();
+  ~X11InhibitErrors();
+
+  ALWAYS_INLINE bool HadError() const { return m_had_error; }
+
+private:
+  static int ErrorHandler(Display* display, XErrorEvent* ee);
+
+  XErrorHandler m_old_handler = {};
+  bool m_had_error = false;
+};
+
+} // namespace GL

third_party/duckstation/window_info.cpp

@@ -0,0 +1,191 @@
+#include "window_info.h"
+#include "duckstation_log.h"
+Log_SetChannel(WindowInfo);
+
+#if defined(_WIN32)
+
+#include "windows_headers.h"
+#include <dwmapi.h>
+
+static bool GetRefreshRateFromDWM(HWND hwnd, float* refresh_rate)
+{
+  static HMODULE dwm_module = nullptr;
+  static HRESULT(STDAPICALLTYPE * is_composition_enabled)(BOOL * pfEnabled) = nullptr;
+  static HRESULT(STDAPICALLTYPE * get_timing_info)(HWND hwnd, DWM_TIMING_INFO * pTimingInfo) = nullptr;
+  static bool load_tried = false;
+  if (!load_tried)
+  {
+    load_tried = true;
+    dwm_module = LoadLibrary(L"dwmapi.dll");
+    if (dwm_module)
+    {
+      std::atexit([]() {
+        FreeLibrary(dwm_module);
+        dwm_module = nullptr;
+      });
+      is_composition_enabled =
+        reinterpret_cast<decltype(is_composition_enabled)>(GetProcAddress(dwm_module, "DwmIsCompositionEnabled"));
+      get_timing_info =
+        reinterpret_cast<decltype(get_timing_info)>(GetProcAddress(dwm_module, "DwmGetCompositionTimingInfo"));
+    }
+  }
+
+  BOOL composition_enabled;
+  if (!is_composition_enabled || FAILED(is_composition_enabled(&composition_enabled) || !get_timing_info))
+    return false;
+
+  DWM_TIMING_INFO ti = {};
+  ti.cbSize = sizeof(ti);
+  HRESULT hr = get_timing_info(nullptr, &ti);
+  if (SUCCEEDED(hr))
+  {
+    if (ti.rateRefresh.uiNumerator == 0 || ti.rateRefresh.uiDenominator == 0)
+      return false;
+
+    *refresh_rate = static_cast<float>(ti.rateRefresh.uiNumerator) / static_cast<float>(ti.rateRefresh.uiDenominator);
+    return true;
+  }
+
+  return false;
+}
+
+static bool GetRefreshRateFromMonitor(HWND hwnd, float* refresh_rate)
+{
+  HMONITOR mon = MonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
+  if (!mon)
+    return false;
+
+  MONITORINFOEXW mi = {};
+  mi.cbSize = sizeof(mi);
+  if (GetMonitorInfoW(mon, &mi))
+  {
+    DEVMODEW dm = {};
+    dm.dmSize = sizeof(dm);
+
+    // 0/1 are reserved for "defaults".
+    if (EnumDisplaySettingsW(mi.szDevice, ENUM_CURRENT_SETTINGS, &dm) && dm.dmDisplayFrequency > 1)
+    {
+      *refresh_rate = static_cast<float>(dm.dmDisplayFrequency);
+      return true;
+    }
+  }
+
+  return false;
+}
+
+bool WindowInfo::QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate)
+{
+  if (wi.type != Type::Win32 || !wi.window_handle)
+    return false;
+
+  // Try DWM first, then fall back to integer values.
+  const HWND hwnd = static_cast<HWND>(wi.window_handle);
+  return GetRefreshRateFromDWM(hwnd, refresh_rate) || GetRefreshRateFromMonitor(hwnd, refresh_rate);
+}
+
+#else
+
+#ifdef USE_X11
+
+#include "common/scoped_guard.h"
+#include "gl/x11_window.h"
+#include <X11/extensions/Xrandr.h>
+
+static bool GetRefreshRateFromXRandR(const WindowInfo& wi, float* refresh_rate)
+{
+  Display* display = static_cast<Display*>(wi.display_connection);
+  Window window = static_cast<Window>(reinterpret_cast<uintptr_t>(wi.window_handle));
+  if (!display || !window)
+    return false;
+
+  GL::X11InhibitErrors inhibiter;
+
+  XRRScreenResources* res = XRRGetScreenResources(display, window);
+  if (!res)
+  {
+    Log_ErrorPrint("XRRGetScreenResources() failed");
+    return false;
+  }
+
+  ScopedGuard res_guard([res]() { XRRFreeScreenResources(res); });
+
+  int num_monitors;
+  XRRMonitorInfo* mi = XRRGetMonitors(display, window, True, &num_monitors);
+  if (num_monitors < 0)
+  {
+    Log_ErrorPrint("XRRGetMonitors() failed");
+    return false;
+  }
+  else if (num_monitors > 1)
+  {
+    Log_WarningPrintf("XRRGetMonitors() returned %d monitors, using first", num_monitors);
+  }
+
+  ScopedGuard mi_guard([mi]() { XRRFreeMonitors(mi); });
+  if (mi->noutput <= 0)
+  {
+    Log_ErrorPrint("Monitor has no outputs");
+    return false;
+  }
+  else if (mi->noutput > 1)
+  {
+    Log_WarningPrintf("Monitor has %d outputs, using first", mi->noutput);
+  }
+
+  XRROutputInfo* oi = XRRGetOutputInfo(display, res, mi->outputs[0]);
+  if (!oi)
+  {
+    Log_ErrorPrint("XRRGetOutputInfo() failed");
+    return false;
+  }
+
+  ScopedGuard oi_guard([oi]() { XRRFreeOutputInfo(oi); });
+
+  XRRCrtcInfo* ci = XRRGetCrtcInfo(display, res, oi->crtc);
+  if (!ci)
+  {
+    Log_ErrorPrint("XRRGetCrtcInfo() failed");
+    return false;
+  }
+
+  ScopedGuard ci_guard([ci]() { XRRFreeCrtcInfo(ci); });
+
+  XRRModeInfo* mode = nullptr;
+  for (int i = 0; i < res->nmode; i++)
+  {
+    if (res->modes[i].id == ci->mode)
+    {
+      mode = &res->modes[i];
+      break;
+    }
+  }
+  if (!mode)
+  {
+    Log_ErrorPrintf("Failed to look up mode %d (of %d)", static_cast<int>(ci->mode), res->nmode);
+    return false;
+  }
+
+  if (mode->dotClock == 0 || mode->hTotal == 0 || mode->vTotal == 0)
+  {
+    Log_ErrorPrintf("Modeline is invalid: %ld/%d/%d", mode->dotClock, mode->hTotal, mode->vTotal);
+    return false;
+  }
+
+  *refresh_rate =
+    static_cast<double>(mode->dotClock) / (static_cast<double>(mode->hTotal) * static_cast<double>(mode->vTotal));
+  return true;
+}
+
+#endif // USE_X11
+
+bool WindowInfo::QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate)
+{
+#if defined(USE_X11)
+  if (wi.type == WindowInfo::Type::X11)
+    return GetRefreshRateFromXRandR(wi, refresh_rate);
+#endif
+
+  return false;
+}
+
+#endif

third_party/duckstation/window_info.h

@@ -0,0 +1,43 @@
+#pragma once
+#include "helpers.hpp"
+
+// Contains the information required to create a graphics context in a window.
+struct WindowInfo
+{
+  enum class Type
+  {
+    Surfaceless,
+    Win32,
+    X11,
+    Wayland,
+    MacOS,
+    Android,
+    Display,
+  };
+
+  enum class SurfaceFormat
+  {
+    None,
+    Auto,
+    RGB8,
+    RGBA8,
+    RGB565,
+    Count
+  };
+
+  Type type = Type::Surfaceless;
+  void* display_connection = nullptr;
+  void* window_handle = nullptr;
+  u32 surface_width = 0;
+  u32 surface_height = 0;
+  float surface_refresh_rate = 0.0f;
+  float surface_scale = 1.0f;
+  SurfaceFormat surface_format = SurfaceFormat::RGB8;
+
+  // Needed for macOS.
+#ifdef __APPLE__
+  void* surface_handle = nullptr;
+#endif
+
+  static bool QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate);
+};

third_party/duckstation/windows_headers.h

@@ -0,0 +1,26 @@
+#pragma once
+
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#ifndef NOMINMAX
+#define NOMINMAX 1
+#endif
+
+// require vista+
+#ifdef _WIN32_WINNT
+#undef _WIN32_WINNT
+#endif
+#define _WIN32_WINNT _WIN32_WINNT_VISTA
+
+#include <windows.h>
+
+#if defined(CreateDirectory)
+#undef CreateDirectory
+#endif
+#if defined(CopyFile)
+#undef CopyFile
+#endif
+#if defined(DeleteFile)
+#undef DeleteFile
+#endif

third_party/glad/CMakeLists.txt

@@ -1,7 +1,11 @@
-add_library(glad STATIC
-    src/gl.c
-    include/glad/gl.h
-    include/KHR/khrplatform.h
-)
+set(GLAD_FILES src/gl.c include/KHR/khrplatform.h)
+
+if(WIN32)
+    set(GLAD_FILES ${GLAD_FILES} src/glad_wgl.c)
+elseif(NOT APPLE)
+    set(GLAD_FILES ${GLAD_FILES} src/glad_egl.c src/glad_glx.c)
+endif()
+
+add_library(glad STATIC ${GLAD_FILES})
 
 target_include_directories(glad PUBLIC "include")

third_party/glad/include/glad/eglplatform.h

@@ -0,0 +1,169 @@
+#ifndef __eglplatform_h_
+#define __eglplatform_h_
+
+/*
+** Copyright 2007-2020 The Khronos Group Inc.
+** SPDX-License-Identifier: Apache-2.0
+*/
+
+/* Platform-specific types and definitions for egl.h
+ *
+ * Adopters may modify khrplatform.h and this file to suit their platform.
+ * You are encouraged to submit all modifications to the Khronos group so that
+ * they can be included in future versions of this file.  Please submit changes
+ * by filing an issue or pull request on the public Khronos EGL Registry, at
+ * https://www.github.com/KhronosGroup/EGL-Registry/
+ */
+
+#include <KHR/khrplatform.h>
+
+/* Macros used in EGL function prototype declarations.
+ *
+ * EGL functions should be prototyped as:
+ *
+ * EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
+ * typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
+ *
+ * KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
+ */
+
+#ifndef EGLAPI
+#define EGLAPI KHRONOS_APICALL
+#endif
+
+#ifndef EGLAPIENTRY
+#define EGLAPIENTRY  KHRONOS_APIENTRY
+#endif
+#define EGLAPIENTRYP EGLAPIENTRY*
+
+/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
+ * are aliases of window-system-dependent types, such as X Display * or
+ * Windows Device Context. They must be defined in platform-specific
+ * code below. The EGL-prefixed versions of Native*Type are the same
+ * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ *
+ * Khronos STRONGLY RECOMMENDS that you use the default definitions
+ * provided below, since these changes affect both binary and source
+ * portability of applications using EGL running on different EGL
+ * implementations.
+ */
+
+#if defined(EGL_NO_PLATFORM_SPECIFIC_TYPES)
+
+typedef void *EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN 1
+#endif
+#include <windows.h>
+
+typedef HDC     EGLNativeDisplayType;
+typedef HBITMAP EGLNativePixmapType;
+typedef HWND    EGLNativeWindowType;
+
+#elif defined(__EMSCRIPTEN__)
+
+typedef int EGLNativeDisplayType;
+typedef int EGLNativePixmapType;
+typedef int EGLNativeWindowType;
+
+#elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(WL_EGL_PLATFORM)
+
+typedef struct wl_display     *EGLNativeDisplayType;
+typedef struct wl_egl_pixmap  *EGLNativePixmapType;
+typedef struct wl_egl_window  *EGLNativeWindowType;
+
+#elif defined(__GBM__)
+
+typedef struct gbm_device  *EGLNativeDisplayType;
+typedef struct gbm_bo      *EGLNativePixmapType;
+typedef void               *EGLNativeWindowType;
+
+#elif defined(__ANDROID__) || defined(ANDROID)
+
+struct ANativeWindow;
+struct egl_native_pixmap_t;
+
+typedef void*                           EGLNativeDisplayType;
+typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
+typedef struct ANativeWindow*           EGLNativeWindowType;
+
+#elif defined(USE_OZONE)
+
+typedef intptr_t EGLNativeDisplayType;
+typedef intptr_t EGLNativePixmapType;
+typedef intptr_t EGLNativeWindowType;
+
+#elif defined(USE_X11)
+
+/* X11 (tentative)  */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+typedef Display *EGLNativeDisplayType;
+typedef Pixmap   EGLNativePixmapType;
+typedef Window   EGLNativeWindowType;
+
+#elif defined(__unix__)
+
+typedef void             *EGLNativeDisplayType;
+typedef khronos_uintptr_t EGLNativePixmapType;
+typedef khronos_uintptr_t EGLNativeWindowType;
+
+#elif defined(__APPLE__)
+
+typedef int   EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(__HAIKU__)
+
+#include <kernel/image.h>
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#elif defined(__Fuchsia__)
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
+#else
+#error "Platform not recognized"
+#endif
+
+/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
+typedef EGLNativeDisplayType NativeDisplayType;
+typedef EGLNativePixmapType  NativePixmapType;
+typedef EGLNativeWindowType  NativeWindowType;
+
+
+/* Define EGLint. This must be a signed integral type large enough to contain
+ * all legal attribute names and values passed into and out of EGL, whether
+ * their type is boolean, bitmask, enumerant (symbolic constant), integer,
+ * handle, or other.  While in general a 32-bit integer will suffice, if
+ * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
+ * integer type.
+ */
+typedef khronos_int32_t EGLint;
+
+
+/* C++ / C typecast macros for special EGL handle values */
+#if defined(__cplusplus)
+#define EGL_CAST(type, value) (static_cast<type>(value))
+#else
+#define EGL_CAST(type, value) ((type) (value))
+#endif
+
+#endif /* __eglplatform_h */

third_party/glad/src/glad_egl.c

@@ -0,0 +1,45 @@
+/*
+
+    EGL loader generated by glad 0.1.36 on Thu Sep 15 11:06:51 2022.
+
+    Language/Generator: C/C++
+    Specification: egl
+    APIs: egl=1.5
+    Profile: -
+    Extensions:
+        
+    Loader: True
+    Local files: True
+    Omit khrplatform: False
+    Reproducible: False
+
+    Commandline:
+        --api="egl=1.5" --generator="c" --spec="egl" --local-files --extensions=""
+    Online:
+        https://glad.dav1d.de/#language=c&specification=egl&loader=on&api=egl%3D1.5
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glad/glad_egl.h>
+
+int gladLoadEGL(void) {
+    return gladLoadEGLLoader((GLADloadproc)eglGetProcAddress);
+}
+
+static int find_extensionsEGL(void) {
+	return 1;
+}
+
+static void find_coreEGL(void) {
+}
+
+int gladLoadEGLLoader(GLADloadproc load) {
+	(void) load;
+	find_coreEGL();
+
+	if (!find_extensionsEGL()) return 0;
+	return 1;
+}
+

third_party/glad/src/glad_glx.c

@@ -0,0 +1,880 @@
+/*
+
+    GLX loader generated by glad 0.1.36 on Sat Oct  8 13:52:35 2022.
+
+    Language/Generator: C/C++
+    Specification: glx
+    APIs: glx=1.4
+    Profile: -
+    Extensions:
+        GLX_3DFX_multisample,
+        GLX_AMD_gpu_association,
+        GLX_ARB_context_flush_control,
+        GLX_ARB_create_context,
+        GLX_ARB_create_context_no_error,
+        GLX_ARB_create_context_profile,
+        GLX_ARB_create_context_robustness,
+        GLX_ARB_fbconfig_float,
+        GLX_ARB_framebuffer_sRGB,
+        GLX_ARB_get_proc_address,
+        GLX_ARB_multisample,
+        GLX_ARB_robustness_application_isolation,
+        GLX_ARB_robustness_share_group_isolation,
+        GLX_ARB_vertex_buffer_object,
+        GLX_EXT_buffer_age,
+        GLX_EXT_context_priority,
+        GLX_EXT_create_context_es2_profile,
+        GLX_EXT_create_context_es_profile,
+        GLX_EXT_fbconfig_packed_float,
+        GLX_EXT_framebuffer_sRGB,
+        GLX_EXT_get_drawable_type,
+        GLX_EXT_import_context,
+        GLX_EXT_libglvnd,
+        GLX_EXT_no_config_context,
+        GLX_EXT_stereo_tree,
+        GLX_EXT_swap_control,
+        GLX_EXT_swap_control_tear,
+        GLX_EXT_texture_from_pixmap,
+        GLX_EXT_visual_info,
+        GLX_EXT_visual_rating,
+        GLX_INTEL_swap_event,
+        GLX_MESA_agp_offset,
+        GLX_MESA_copy_sub_buffer,
+        GLX_MESA_pixmap_colormap,
+        GLX_MESA_query_renderer,
+        GLX_MESA_release_buffers,
+        GLX_MESA_set_3dfx_mode,
+        GLX_MESA_swap_control,
+        GLX_NV_copy_buffer,
+        GLX_NV_copy_image,
+        GLX_NV_delay_before_swap,
+        GLX_NV_float_buffer,
+        GLX_NV_multigpu_context,
+        GLX_NV_multisample_coverage,
+        GLX_NV_present_video,
+        GLX_NV_robustness_video_memory_purge,
+        GLX_NV_swap_group,
+        GLX_NV_video_capture,
+        GLX_NV_video_out,
+        GLX_OML_swap_method,
+        GLX_OML_sync_control,
+        GLX_SGIS_blended_overlay,
+        GLX_SGIS_multisample,
+        GLX_SGIS_shared_multisample,
+        GLX_SGIX_dmbuffer,
+        GLX_SGIX_fbconfig,
+        GLX_SGIX_hyperpipe,
+        GLX_SGIX_pbuffer,
+        GLX_SGIX_swap_barrier,
+        GLX_SGIX_swap_group,
+        GLX_SGIX_video_resize,
+        GLX_SGIX_video_source,
+        GLX_SGIX_visual_select_group,
+        GLX_SGI_cushion,
+        GLX_SGI_make_current_read,
+        GLX_SGI_swap_control,
+        GLX_SGI_video_sync,
+        GLX_SUN_get_transparent_index
+    Loader: True
+    Local files: True
+    Omit khrplatform: False
+    Reproducible: False
+
+    Commandline:
+        --api="glx=1.4" --generator="c" --spec="glx" --local-files --extensions="GLX_3DFX_multisample,GLX_AMD_gpu_association,GLX_ARB_context_flush_control,GLX_ARB_create_context,GLX_ARB_create_context_no_error,GLX_ARB_create_context_profile,GLX_ARB_create_context_robustness,GLX_ARB_fbconfig_float,GLX_ARB_framebuffer_sRGB,GLX_ARB_get_proc_address,GLX_ARB_multisample,GLX_ARB_robustness_application_isolation,GLX_ARB_robustness_share_group_isolation,GLX_ARB_vertex_buffer_object,GLX_EXT_buffer_age,GLX_EXT_context_priority,GLX_EXT_create_context_es2_profile,GLX_EXT_create_context_es_profile,GLX_EXT_fbconfig_packed_float,GLX_EXT_framebuffer_sRGB,GLX_EXT_get_drawable_type,GLX_EXT_import_context,GLX_EXT_libglvnd,GLX_EXT_no_config_context,GLX_EXT_stereo_tree,GLX_EXT_swap_control,GLX_EXT_swap_control_tear,GLX_EXT_texture_from_pixmap,GLX_EXT_visual_info,GLX_EXT_visual_rating,GLX_INTEL_swap_event,GLX_MESA_agp_offset,GLX_MESA_copy_sub_buffer,GLX_MESA_pixmap_colormap,GLX_MESA_query_renderer,GLX_MESA_release_buffers,GLX_MESA_set_3dfx_mode,GLX_MESA_swap_control,GLX_NV_copy_buffer,GLX_NV_copy_image,GLX_NV_delay_before_swap,GLX_NV_float_buffer,GLX_NV_multigpu_context,GLX_NV_multisample_coverage,GLX_NV_present_video,GLX_NV_robustness_video_memory_purge,GLX_NV_swap_group,GLX_NV_video_capture,GLX_NV_video_out,GLX_OML_swap_method,GLX_OML_sync_control,GLX_SGIS_blended_overlay,GLX_SGIS_multisample,GLX_SGIS_shared_multisample,GLX_SGIX_dmbuffer,GLX_SGIX_fbconfig,GLX_SGIX_hyperpipe,GLX_SGIX_pbuffer,GLX_SGIX_swap_barrier,GLX_SGIX_swap_group,GLX_SGIX_video_resize,GLX_SGIX_video_source,GLX_SGIX_visual_select_group,GLX_SGI_cushion,GLX_SGI_make_current_read,GLX_SGI_swap_control,GLX_SGI_video_sync,GLX_SUN_get_transparent_index"
+    Online:
+        Too many extensions
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glad/glad_glx.h>
+
+static void* get_proc(const char *namez);
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+#ifndef _WINDOWS_
+#undef APIENTRY
+#endif
+#include <windows.h>
+static HMODULE libGL;
+
+typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*);
+static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
+
+#ifdef _MSC_VER
+#ifdef __has_include
+  #if __has_include(<winapifamily.h>)
+    #define HAVE_WINAPIFAMILY 1
+  #endif
+#elif _MSC_VER >= 1700 && !_USING_V110_SDK71_
+  #define HAVE_WINAPIFAMILY 1
+#endif
+#endif
+
+#ifdef HAVE_WINAPIFAMILY
+  #include <winapifamily.h>
+  #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+    #define IS_UWP 1
+  #endif
+#endif
+
+static
+int open_glx(void) {
+#ifndef IS_UWP
+    libGL = LoadLibraryW(L"opengl32.dll");
+    if(libGL != NULL) {
+        void (* tmp)(void);
+        tmp = (void(*)(void)) GetProcAddress(libGL, "wglGetProcAddress");
+        gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE) tmp;
+        return gladGetProcAddressPtr != NULL;
+    }
+#endif
+
+    return 0;
+}
+
+static
+void close_glx(void) {
+    if(libGL != NULL) {
+        FreeLibrary((HMODULE) libGL);
+        libGL = NULL;
+    }
+}
+#else
+#include <dlfcn.h>
+static void* libGL;
+
+#if !defined(__APPLE__) && !defined(__HAIKU__)
+typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*);
+static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
+#endif
+
+static
+int open_glx(void) {
+#ifdef __APPLE__
+    static const char *NAMES[] = {
+        "../Frameworks/OpenGL.framework/OpenGL",
+        "/Library/Frameworks/OpenGL.framework/OpenGL",
+        "/System/Library/Frameworks/OpenGL.framework/OpenGL",
+        "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
+    };
+#else
+    static const char *NAMES[] = {"libGL.so.1", "libGL.so"};
+#endif
+
+    unsigned int index = 0;
+    for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) {
+        libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL);
+
+        if(libGL != NULL) {
+#if defined(__APPLE__) || defined(__HAIKU__)
+            return 1;
+#else
+            gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL,
+                "glXGetProcAddressARB");
+            return gladGetProcAddressPtr != NULL;
+#endif
+        }
+    }
+
+    return 0;
+}
+
+static
+void close_glx(void) {
+    if(libGL != NULL) {
+        dlclose(libGL);
+        libGL = NULL;
+    }
+}
+#endif
+
+static
+void* get_proc(const char *namez) {
+    void* result = NULL;
+    if(libGL == NULL) return NULL;
+
+#if !defined(__APPLE__) && !defined(__HAIKU__)
+    if(gladGetProcAddressPtr != NULL) {
+        result = gladGetProcAddressPtr(namez);
+    }
+#endif
+    if(result == NULL) {
+#if defined(_WIN32) || defined(__CYGWIN__)
+        result = (void*)GetProcAddress((HMODULE) libGL, namez);
+#else
+        result = dlsym(libGL, namez);
+#endif
+    }
+
+    return result;
+}
+
+int gladLoadGLX(Display *dpy, int screen) {
+    int status = 0;
+
+    if(open_glx()) {
+        status = gladLoadGLXLoader((GLADloadproc)get_proc, dpy, screen);
+    }
+
+    return status;
+}
+
+void gladUnloadGLX(void) {
+    close_glx();
+}
+
+static Display *GLADGLXDisplay = 0;
+static int GLADGLXscreen = 0;
+
+static int get_exts(void) {
+    return 1;
+}
+
+static void free_exts(void) {
+    return;
+}
+
+static int has_ext(const char *ext) {
+    const char *terminator;
+    const char *loc;
+    const char *extensions;
+
+    if(!GLAD_GLX_VERSION_1_1)
+        return 0;
+
+    extensions = glXQueryExtensionsString(GLADGLXDisplay, GLADGLXscreen);
+
+    if(extensions == NULL || ext == NULL)
+        return 0;
+
+    while(1) {
+        loc = strstr(extensions, ext);
+        if(loc == NULL)
+            break;
+
+        terminator = loc + strlen(ext);
+        if((loc == extensions || *(loc - 1) == ' ') &&
+            (*terminator == ' ' || *terminator == '\0'))
+        {
+            return 1;
+        }
+        extensions = terminator;
+    }
+
+    return 0;
+}
+
+int GLAD_GLX_VERSION_1_0 = 0;
+int GLAD_GLX_VERSION_1_1 = 0;
+int GLAD_GLX_VERSION_1_2 = 0;
+int GLAD_GLX_VERSION_1_3 = 0;
+int GLAD_GLX_VERSION_1_4 = 0;
+PFNGLXCHOOSEFBCONFIGPROC glad_glXChooseFBConfig = NULL;
+PFNGLXCHOOSEVISUALPROC glad_glXChooseVisual = NULL;
+PFNGLXCOPYCONTEXTPROC glad_glXCopyContext = NULL;
+PFNGLXCREATECONTEXTPROC glad_glXCreateContext = NULL;
+PFNGLXCREATEGLXPIXMAPPROC glad_glXCreateGLXPixmap = NULL;
+PFNGLXCREATENEWCONTEXTPROC glad_glXCreateNewContext = NULL;
+PFNGLXCREATEPBUFFERPROC glad_glXCreatePbuffer = NULL;
+PFNGLXCREATEPIXMAPPROC glad_glXCreatePixmap = NULL;
+PFNGLXCREATEWINDOWPROC glad_glXCreateWindow = NULL;
+PFNGLXDESTROYCONTEXTPROC glad_glXDestroyContext = NULL;
+PFNGLXDESTROYGLXPIXMAPPROC glad_glXDestroyGLXPixmap = NULL;
+PFNGLXDESTROYPBUFFERPROC glad_glXDestroyPbuffer = NULL;
+PFNGLXDESTROYPIXMAPPROC glad_glXDestroyPixmap = NULL;
+PFNGLXDESTROYWINDOWPROC glad_glXDestroyWindow = NULL;
+PFNGLXGETCLIENTSTRINGPROC glad_glXGetClientString = NULL;
+PFNGLXGETCONFIGPROC glad_glXGetConfig = NULL;
+PFNGLXGETCURRENTCONTEXTPROC glad_glXGetCurrentContext = NULL;
+PFNGLXGETCURRENTDISPLAYPROC glad_glXGetCurrentDisplay = NULL;
+PFNGLXGETCURRENTDRAWABLEPROC glad_glXGetCurrentDrawable = NULL;
+PFNGLXGETCURRENTREADDRAWABLEPROC glad_glXGetCurrentReadDrawable = NULL;
+PFNGLXGETFBCONFIGATTRIBPROC glad_glXGetFBConfigAttrib = NULL;
+PFNGLXGETFBCONFIGSPROC glad_glXGetFBConfigs = NULL;
+PFNGLXGETPROCADDRESSPROC glad_glXGetProcAddress = NULL;
+PFNGLXGETSELECTEDEVENTPROC glad_glXGetSelectedEvent = NULL;
+PFNGLXGETVISUALFROMFBCONFIGPROC glad_glXGetVisualFromFBConfig = NULL;
+PFNGLXISDIRECTPROC glad_glXIsDirect = NULL;
+PFNGLXMAKECONTEXTCURRENTPROC glad_glXMakeContextCurrent = NULL;
+PFNGLXMAKECURRENTPROC glad_glXMakeCurrent = NULL;
+PFNGLXQUERYCONTEXTPROC glad_glXQueryContext = NULL;
+PFNGLXQUERYDRAWABLEPROC glad_glXQueryDrawable = NULL;
+PFNGLXQUERYEXTENSIONPROC glad_glXQueryExtension = NULL;
+PFNGLXQUERYEXTENSIONSSTRINGPROC glad_glXQueryExtensionsString = NULL;
+PFNGLXQUERYSERVERSTRINGPROC glad_glXQueryServerString = NULL;
+PFNGLXQUERYVERSIONPROC glad_glXQueryVersion = NULL;
+PFNGLXSELECTEVENTPROC glad_glXSelectEvent = NULL;
+PFNGLXSWAPBUFFERSPROC glad_glXSwapBuffers = NULL;
+PFNGLXUSEXFONTPROC glad_glXUseXFont = NULL;
+PFNGLXWAITGLPROC glad_glXWaitGL = NULL;
+PFNGLXWAITXPROC glad_glXWaitX = NULL;
+int GLAD_GLX_3DFX_multisample = 0;
+int GLAD_GLX_AMD_gpu_association = 0;
+int GLAD_GLX_ARB_context_flush_control = 0;
+int GLAD_GLX_ARB_create_context = 0;
+int GLAD_GLX_ARB_create_context_no_error = 0;
+int GLAD_GLX_ARB_create_context_profile = 0;
+int GLAD_GLX_ARB_create_context_robustness = 0;
+int GLAD_GLX_ARB_fbconfig_float = 0;
+int GLAD_GLX_ARB_framebuffer_sRGB = 0;
+int GLAD_GLX_ARB_get_proc_address = 0;
+int GLAD_GLX_ARB_multisample = 0;
+int GLAD_GLX_ARB_robustness_application_isolation = 0;
+int GLAD_GLX_ARB_robustness_share_group_isolation = 0;
+int GLAD_GLX_ARB_vertex_buffer_object = 0;
+int GLAD_GLX_EXT_buffer_age = 0;
+int GLAD_GLX_EXT_context_priority = 0;
+int GLAD_GLX_EXT_create_context_es2_profile = 0;
+int GLAD_GLX_EXT_create_context_es_profile = 0;
+int GLAD_GLX_EXT_fbconfig_packed_float = 0;
+int GLAD_GLX_EXT_framebuffer_sRGB = 0;
+int GLAD_GLX_EXT_get_drawable_type = 0;
+int GLAD_GLX_EXT_import_context = 0;
+int GLAD_GLX_EXT_libglvnd = 0;
+int GLAD_GLX_EXT_no_config_context = 0;
+int GLAD_GLX_EXT_stereo_tree = 0;
+int GLAD_GLX_EXT_swap_control = 0;
+int GLAD_GLX_EXT_swap_control_tear = 0;
+int GLAD_GLX_EXT_texture_from_pixmap = 0;
+int GLAD_GLX_EXT_visual_info = 0;
+int GLAD_GLX_EXT_visual_rating = 0;
+int GLAD_GLX_INTEL_swap_event = 0;
+int GLAD_GLX_MESA_agp_offset = 0;
+int GLAD_GLX_MESA_copy_sub_buffer = 0;
+int GLAD_GLX_MESA_pixmap_colormap = 0;
+int GLAD_GLX_MESA_query_renderer = 0;
+int GLAD_GLX_MESA_release_buffers = 0;
+int GLAD_GLX_MESA_set_3dfx_mode = 0;
+int GLAD_GLX_MESA_swap_control = 0;
+int GLAD_GLX_NV_copy_buffer = 0;
+int GLAD_GLX_NV_copy_image = 0;
+int GLAD_GLX_NV_delay_before_swap = 0;
+int GLAD_GLX_NV_float_buffer = 0;
+int GLAD_GLX_NV_multigpu_context = 0;
+int GLAD_GLX_NV_multisample_coverage = 0;
+int GLAD_GLX_NV_present_video = 0;
+int GLAD_GLX_NV_robustness_video_memory_purge = 0;
+int GLAD_GLX_NV_swap_group = 0;
+int GLAD_GLX_NV_video_capture = 0;
+int GLAD_GLX_NV_video_out = 0;
+int GLAD_GLX_OML_swap_method = 0;
+int GLAD_GLX_OML_sync_control = 0;
+int GLAD_GLX_SGIS_blended_overlay = 0;
+int GLAD_GLX_SGIS_multisample = 0;
+int GLAD_GLX_SGIS_shared_multisample = 0;
+int GLAD_GLX_SGIX_dmbuffer = 0;
+int GLAD_GLX_SGIX_fbconfig = 0;
+int GLAD_GLX_SGIX_hyperpipe = 0;
+int GLAD_GLX_SGIX_pbuffer = 0;
+int GLAD_GLX_SGIX_swap_barrier = 0;
+int GLAD_GLX_SGIX_swap_group = 0;
+int GLAD_GLX_SGIX_video_resize = 0;
+int GLAD_GLX_SGIX_video_source = 0;
+int GLAD_GLX_SGIX_visual_select_group = 0;
+int GLAD_GLX_SGI_cushion = 0;
+int GLAD_GLX_SGI_make_current_read = 0;
+int GLAD_GLX_SGI_swap_control = 0;
+int GLAD_GLX_SGI_video_sync = 0;
+int GLAD_GLX_SUN_get_transparent_index = 0;
+PFNGLXGETGPUIDSAMDPROC glad_glXGetGPUIDsAMD = NULL;
+PFNGLXGETGPUINFOAMDPROC glad_glXGetGPUInfoAMD = NULL;
+PFNGLXGETCONTEXTGPUIDAMDPROC glad_glXGetContextGPUIDAMD = NULL;
+PFNGLXCREATEASSOCIATEDCONTEXTAMDPROC glad_glXCreateAssociatedContextAMD = NULL;
+PFNGLXCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC glad_glXCreateAssociatedContextAttribsAMD = NULL;
+PFNGLXDELETEASSOCIATEDCONTEXTAMDPROC glad_glXDeleteAssociatedContextAMD = NULL;
+PFNGLXMAKEASSOCIATEDCONTEXTCURRENTAMDPROC glad_glXMakeAssociatedContextCurrentAMD = NULL;
+PFNGLXGETCURRENTASSOCIATEDCONTEXTAMDPROC glad_glXGetCurrentAssociatedContextAMD = NULL;
+PFNGLXBLITCONTEXTFRAMEBUFFERAMDPROC glad_glXBlitContextFramebufferAMD = NULL;
+PFNGLXCREATECONTEXTATTRIBSARBPROC glad_glXCreateContextAttribsARB = NULL;
+PFNGLXGETPROCADDRESSARBPROC glad_glXGetProcAddressARB = NULL;
+PFNGLXGETCURRENTDISPLAYEXTPROC glad_glXGetCurrentDisplayEXT = NULL;
+PFNGLXQUERYCONTEXTINFOEXTPROC glad_glXQueryContextInfoEXT = NULL;
+PFNGLXGETCONTEXTIDEXTPROC glad_glXGetContextIDEXT = NULL;
+PFNGLXIMPORTCONTEXTEXTPROC glad_glXImportContextEXT = NULL;
+PFNGLXFREECONTEXTEXTPROC glad_glXFreeContextEXT = NULL;
+PFNGLXSWAPINTERVALEXTPROC glad_glXSwapIntervalEXT = NULL;
+PFNGLXBINDTEXIMAGEEXTPROC glad_glXBindTexImageEXT = NULL;
+PFNGLXRELEASETEXIMAGEEXTPROC glad_glXReleaseTexImageEXT = NULL;
+PFNGLXGETAGPOFFSETMESAPROC glad_glXGetAGPOffsetMESA = NULL;
+PFNGLXCOPYSUBBUFFERMESAPROC glad_glXCopySubBufferMESA = NULL;
+PFNGLXCREATEGLXPIXMAPMESAPROC glad_glXCreateGLXPixmapMESA = NULL;
+PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC glad_glXQueryCurrentRendererIntegerMESA = NULL;
+PFNGLXQUERYCURRENTRENDERERSTRINGMESAPROC glad_glXQueryCurrentRendererStringMESA = NULL;
+PFNGLXQUERYRENDERERINTEGERMESAPROC glad_glXQueryRendererIntegerMESA = NULL;
+PFNGLXQUERYRENDERERSTRINGMESAPROC glad_glXQueryRendererStringMESA = NULL;
+PFNGLXRELEASEBUFFERSMESAPROC glad_glXReleaseBuffersMESA = NULL;
+PFNGLXSET3DFXMODEMESAPROC glad_glXSet3DfxModeMESA = NULL;
+PFNGLXGETSWAPINTERVALMESAPROC glad_glXGetSwapIntervalMESA = NULL;
+PFNGLXSWAPINTERVALMESAPROC glad_glXSwapIntervalMESA = NULL;
+PFNGLXCOPYBUFFERSUBDATANVPROC glad_glXCopyBufferSubDataNV = NULL;
+PFNGLXNAMEDCOPYBUFFERSUBDATANVPROC glad_glXNamedCopyBufferSubDataNV = NULL;
+PFNGLXCOPYIMAGESUBDATANVPROC glad_glXCopyImageSubDataNV = NULL;
+PFNGLXDELAYBEFORESWAPNVPROC glad_glXDelayBeforeSwapNV = NULL;
+PFNGLXENUMERATEVIDEODEVICESNVPROC glad_glXEnumerateVideoDevicesNV = NULL;
+PFNGLXBINDVIDEODEVICENVPROC glad_glXBindVideoDeviceNV = NULL;
+PFNGLXJOINSWAPGROUPNVPROC glad_glXJoinSwapGroupNV = NULL;
+PFNGLXBINDSWAPBARRIERNVPROC glad_glXBindSwapBarrierNV = NULL;
+PFNGLXQUERYSWAPGROUPNVPROC glad_glXQuerySwapGroupNV = NULL;
+PFNGLXQUERYMAXSWAPGROUPSNVPROC glad_glXQueryMaxSwapGroupsNV = NULL;
+PFNGLXQUERYFRAMECOUNTNVPROC glad_glXQueryFrameCountNV = NULL;
+PFNGLXRESETFRAMECOUNTNVPROC glad_glXResetFrameCountNV = NULL;
+PFNGLXBINDVIDEOCAPTUREDEVICENVPROC glad_glXBindVideoCaptureDeviceNV = NULL;
+PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC glad_glXEnumerateVideoCaptureDevicesNV = NULL;
+PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC glad_glXLockVideoCaptureDeviceNV = NULL;
+PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC glad_glXQueryVideoCaptureDeviceNV = NULL;
+PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC glad_glXReleaseVideoCaptureDeviceNV = NULL;
+PFNGLXGETVIDEODEVICENVPROC glad_glXGetVideoDeviceNV = NULL;
+PFNGLXRELEASEVIDEODEVICENVPROC glad_glXReleaseVideoDeviceNV = NULL;
+PFNGLXBINDVIDEOIMAGENVPROC glad_glXBindVideoImageNV = NULL;
+PFNGLXRELEASEVIDEOIMAGENVPROC glad_glXReleaseVideoImageNV = NULL;
+PFNGLXSENDPBUFFERTOVIDEONVPROC glad_glXSendPbufferToVideoNV = NULL;
+PFNGLXGETVIDEOINFONVPROC glad_glXGetVideoInfoNV = NULL;
+PFNGLXGETSYNCVALUESOMLPROC glad_glXGetSyncValuesOML = NULL;
+PFNGLXGETMSCRATEOMLPROC glad_glXGetMscRateOML = NULL;
+PFNGLXSWAPBUFFERSMSCOMLPROC glad_glXSwapBuffersMscOML = NULL;
+PFNGLXWAITFORMSCOMLPROC glad_glXWaitForMscOML = NULL;
+PFNGLXWAITFORSBCOMLPROC glad_glXWaitForSbcOML = NULL;
+#ifdef _DM_BUFFER_H_
+PFNGLXASSOCIATEDMPBUFFERSGIXPROC glad_glXAssociateDMPbufferSGIX = NULL;
+#endif
+PFNGLXGETFBCONFIGATTRIBSGIXPROC glad_glXGetFBConfigAttribSGIX = NULL;
+PFNGLXCHOOSEFBCONFIGSGIXPROC glad_glXChooseFBConfigSGIX = NULL;
+PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC glad_glXCreateGLXPixmapWithConfigSGIX = NULL;
+PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC glad_glXCreateContextWithConfigSGIX = NULL;
+PFNGLXGETVISUALFROMFBCONFIGSGIXPROC glad_glXGetVisualFromFBConfigSGIX = NULL;
+PFNGLXGETFBCONFIGFROMVISUALSGIXPROC glad_glXGetFBConfigFromVisualSGIX = NULL;
+PFNGLXQUERYHYPERPIPENETWORKSGIXPROC glad_glXQueryHyperpipeNetworkSGIX = NULL;
+PFNGLXHYPERPIPECONFIGSGIXPROC glad_glXHyperpipeConfigSGIX = NULL;
+PFNGLXQUERYHYPERPIPECONFIGSGIXPROC glad_glXQueryHyperpipeConfigSGIX = NULL;
+PFNGLXDESTROYHYPERPIPECONFIGSGIXPROC glad_glXDestroyHyperpipeConfigSGIX = NULL;
+PFNGLXBINDHYPERPIPESGIXPROC glad_glXBindHyperpipeSGIX = NULL;
+PFNGLXQUERYHYPERPIPEBESTATTRIBSGIXPROC glad_glXQueryHyperpipeBestAttribSGIX = NULL;
+PFNGLXHYPERPIPEATTRIBSGIXPROC glad_glXHyperpipeAttribSGIX = NULL;
+PFNGLXQUERYHYPERPIPEATTRIBSGIXPROC glad_glXQueryHyperpipeAttribSGIX = NULL;
+PFNGLXCREATEGLXPBUFFERSGIXPROC glad_glXCreateGLXPbufferSGIX = NULL;
+PFNGLXDESTROYGLXPBUFFERSGIXPROC glad_glXDestroyGLXPbufferSGIX = NULL;
+PFNGLXQUERYGLXPBUFFERSGIXPROC glad_glXQueryGLXPbufferSGIX = NULL;
+PFNGLXSELECTEVENTSGIXPROC glad_glXSelectEventSGIX = NULL;
+PFNGLXGETSELECTEDEVENTSGIXPROC glad_glXGetSelectedEventSGIX = NULL;
+PFNGLXBINDSWAPBARRIERSGIXPROC glad_glXBindSwapBarrierSGIX = NULL;
+PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC glad_glXQueryMaxSwapBarriersSGIX = NULL;
+PFNGLXJOINSWAPGROUPSGIXPROC glad_glXJoinSwapGroupSGIX = NULL;
+PFNGLXBINDCHANNELTOWINDOWSGIXPROC glad_glXBindChannelToWindowSGIX = NULL;
+PFNGLXCHANNELRECTSGIXPROC glad_glXChannelRectSGIX = NULL;
+PFNGLXQUERYCHANNELRECTSGIXPROC glad_glXQueryChannelRectSGIX = NULL;
+PFNGLXQUERYCHANNELDELTASSGIXPROC glad_glXQueryChannelDeltasSGIX = NULL;
+PFNGLXCHANNELRECTSYNCSGIXPROC glad_glXChannelRectSyncSGIX = NULL;
+#ifdef _VL_H_
+PFNGLXCREATEGLXVIDEOSOURCESGIXPROC glad_glXCreateGLXVideoSourceSGIX = NULL;
+PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC glad_glXDestroyGLXVideoSourceSGIX = NULL;
+#endif
+PFNGLXCUSHIONSGIPROC glad_glXCushionSGI = NULL;
+PFNGLXMAKECURRENTREADSGIPROC glad_glXMakeCurrentReadSGI = NULL;
+PFNGLXGETCURRENTREADDRAWABLESGIPROC glad_glXGetCurrentReadDrawableSGI = NULL;
+PFNGLXSWAPINTERVALSGIPROC glad_glXSwapIntervalSGI = NULL;
+PFNGLXGETVIDEOSYNCSGIPROC glad_glXGetVideoSyncSGI = NULL;
+PFNGLXWAITVIDEOSYNCSGIPROC glad_glXWaitVideoSyncSGI = NULL;
+PFNGLXGETTRANSPARENTINDEXSUNPROC glad_glXGetTransparentIndexSUN = NULL;
+static void load_GLX_VERSION_1_0(GLADloadproc load) {
+	if(!GLAD_GLX_VERSION_1_0) return;
+	glad_glXChooseVisual = (PFNGLXCHOOSEVISUALPROC)load("glXChooseVisual");
+	glad_glXCreateContext = (PFNGLXCREATECONTEXTPROC)load("glXCreateContext");
+	glad_glXDestroyContext = (PFNGLXDESTROYCONTEXTPROC)load("glXDestroyContext");
+	glad_glXMakeCurrent = (PFNGLXMAKECURRENTPROC)load("glXMakeCurrent");
+	glad_glXCopyContext = (PFNGLXCOPYCONTEXTPROC)load("glXCopyContext");
+	glad_glXSwapBuffers = (PFNGLXSWAPBUFFERSPROC)load("glXSwapBuffers");
+	glad_glXCreateGLXPixmap = (PFNGLXCREATEGLXPIXMAPPROC)load("glXCreateGLXPixmap");
+	glad_glXDestroyGLXPixmap = (PFNGLXDESTROYGLXPIXMAPPROC)load("glXDestroyGLXPixmap");
+	glad_glXQueryExtension = (PFNGLXQUERYEXTENSIONPROC)load("glXQueryExtension");
+	glad_glXQueryVersion = (PFNGLXQUERYVERSIONPROC)load("glXQueryVersion");
+	glad_glXIsDirect = (PFNGLXISDIRECTPROC)load("glXIsDirect");
+	glad_glXGetConfig = (PFNGLXGETCONFIGPROC)load("glXGetConfig");
+	glad_glXGetCurrentContext = (PFNGLXGETCURRENTCONTEXTPROC)load("glXGetCurrentContext");
+	glad_glXGetCurrentDrawable = (PFNGLXGETCURRENTDRAWABLEPROC)load("glXGetCurrentDrawable");
+	glad_glXWaitGL = (PFNGLXWAITGLPROC)load("glXWaitGL");
+	glad_glXWaitX = (PFNGLXWAITXPROC)load("glXWaitX");
+	glad_glXUseXFont = (PFNGLXUSEXFONTPROC)load("glXUseXFont");
+}
+static void load_GLX_VERSION_1_1(GLADloadproc load) {
+	if(!GLAD_GLX_VERSION_1_1) return;
+	glad_glXQueryExtensionsString = (PFNGLXQUERYEXTENSIONSSTRINGPROC)load("glXQueryExtensionsString");
+	glad_glXQueryServerString = (PFNGLXQUERYSERVERSTRINGPROC)load("glXQueryServerString");
+	glad_glXGetClientString = (PFNGLXGETCLIENTSTRINGPROC)load("glXGetClientString");
+}
+static void load_GLX_VERSION_1_2(GLADloadproc load) {
+	if(!GLAD_GLX_VERSION_1_2) return;
+	glad_glXGetCurrentDisplay = (PFNGLXGETCURRENTDISPLAYPROC)load("glXGetCurrentDisplay");
+}
+static void load_GLX_VERSION_1_3(GLADloadproc load) {
+	if(!GLAD_GLX_VERSION_1_3) return;
+	glad_glXGetFBConfigs = (PFNGLXGETFBCONFIGSPROC)load("glXGetFBConfigs");
+	glad_glXChooseFBConfig = (PFNGLXCHOOSEFBCONFIGPROC)load("glXChooseFBConfig");
+	glad_glXGetFBConfigAttrib = (PFNGLXGETFBCONFIGATTRIBPROC)load("glXGetFBConfigAttrib");
+	glad_glXGetVisualFromFBConfig = (PFNGLXGETVISUALFROMFBCONFIGPROC)load("glXGetVisualFromFBConfig");
+	glad_glXCreateWindow = (PFNGLXCREATEWINDOWPROC)load("glXCreateWindow");
+	glad_glXDestroyWindow = (PFNGLXDESTROYWINDOWPROC)load("glXDestroyWindow");
+	glad_glXCreatePixmap = (PFNGLXCREATEPIXMAPPROC)load("glXCreatePixmap");
+	glad_glXDestroyPixmap = (PFNGLXDESTROYPIXMAPPROC)load("glXDestroyPixmap");
+	glad_glXCreatePbuffer = (PFNGLXCREATEPBUFFERPROC)load("glXCreatePbuffer");
+	glad_glXDestroyPbuffer = (PFNGLXDESTROYPBUFFERPROC)load("glXDestroyPbuffer");
+	glad_glXQueryDrawable = (PFNGLXQUERYDRAWABLEPROC)load("glXQueryDrawable");
+	glad_glXCreateNewContext = (PFNGLXCREATENEWCONTEXTPROC)load("glXCreateNewContext");
+	glad_glXMakeContextCurrent = (PFNGLXMAKECONTEXTCURRENTPROC)load("glXMakeContextCurrent");
+	glad_glXGetCurrentReadDrawable = (PFNGLXGETCURRENTREADDRAWABLEPROC)load("glXGetCurrentReadDrawable");
+	glad_glXQueryContext = (PFNGLXQUERYCONTEXTPROC)load("glXQueryContext");
+	glad_glXSelectEvent = (PFNGLXSELECTEVENTPROC)load("glXSelectEvent");
+	glad_glXGetSelectedEvent = (PFNGLXGETSELECTEDEVENTPROC)load("glXGetSelectedEvent");
+}
+static void load_GLX_VERSION_1_4(GLADloadproc load) {
+	if(!GLAD_GLX_VERSION_1_4) return;
+	glad_glXGetProcAddress = (PFNGLXGETPROCADDRESSPROC)load("glXGetProcAddress");
+}
+static void load_GLX_AMD_gpu_association(GLADloadproc load) {
+	if(!GLAD_GLX_AMD_gpu_association) return;
+	glad_glXGetGPUIDsAMD = (PFNGLXGETGPUIDSAMDPROC)load("glXGetGPUIDsAMD");
+	glad_glXGetGPUInfoAMD = (PFNGLXGETGPUINFOAMDPROC)load("glXGetGPUInfoAMD");
+	glad_glXGetContextGPUIDAMD = (PFNGLXGETCONTEXTGPUIDAMDPROC)load("glXGetContextGPUIDAMD");
+	glad_glXCreateAssociatedContextAMD = (PFNGLXCREATEASSOCIATEDCONTEXTAMDPROC)load("glXCreateAssociatedContextAMD");
+	glad_glXCreateAssociatedContextAttribsAMD = (PFNGLXCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC)load("glXCreateAssociatedContextAttribsAMD");
+	glad_glXDeleteAssociatedContextAMD = (PFNGLXDELETEASSOCIATEDCONTEXTAMDPROC)load("glXDeleteAssociatedContextAMD");
+	glad_glXMakeAssociatedContextCurrentAMD = (PFNGLXMAKEASSOCIATEDCONTEXTCURRENTAMDPROC)load("glXMakeAssociatedContextCurrentAMD");
+	glad_glXGetCurrentAssociatedContextAMD = (PFNGLXGETCURRENTASSOCIATEDCONTEXTAMDPROC)load("glXGetCurrentAssociatedContextAMD");
+	glad_glXBlitContextFramebufferAMD = (PFNGLXBLITCONTEXTFRAMEBUFFERAMDPROC)load("glXBlitContextFramebufferAMD");
+}
+static void load_GLX_ARB_create_context(GLADloadproc load) {
+	if(!GLAD_GLX_ARB_create_context) return;
+	glad_glXCreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)load("glXCreateContextAttribsARB");
+}
+static void load_GLX_ARB_get_proc_address(GLADloadproc load) {
+	if(!GLAD_GLX_ARB_get_proc_address) return;
+	glad_glXGetProcAddressARB = (PFNGLXGETPROCADDRESSARBPROC)load("glXGetProcAddressARB");
+}
+static void load_GLX_EXT_import_context(GLADloadproc load) {
+	if(!GLAD_GLX_EXT_import_context) return;
+	glad_glXGetCurrentDisplayEXT = (PFNGLXGETCURRENTDISPLAYEXTPROC)load("glXGetCurrentDisplayEXT");
+	glad_glXQueryContextInfoEXT = (PFNGLXQUERYCONTEXTINFOEXTPROC)load("glXQueryContextInfoEXT");
+	glad_glXGetContextIDEXT = (PFNGLXGETCONTEXTIDEXTPROC)load("glXGetContextIDEXT");
+	glad_glXImportContextEXT = (PFNGLXIMPORTCONTEXTEXTPROC)load("glXImportContextEXT");
+	glad_glXFreeContextEXT = (PFNGLXFREECONTEXTEXTPROC)load("glXFreeContextEXT");
+}
+static void load_GLX_EXT_swap_control(GLADloadproc load) {
+	if(!GLAD_GLX_EXT_swap_control) return;
+	glad_glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC)load("glXSwapIntervalEXT");
+}
+static void load_GLX_EXT_texture_from_pixmap(GLADloadproc load) {
+	if(!GLAD_GLX_EXT_texture_from_pixmap) return;
+	glad_glXBindTexImageEXT = (PFNGLXBINDTEXIMAGEEXTPROC)load("glXBindTexImageEXT");
+	glad_glXReleaseTexImageEXT = (PFNGLXRELEASETEXIMAGEEXTPROC)load("glXReleaseTexImageEXT");
+}
+static void load_GLX_MESA_agp_offset(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_agp_offset) return;
+	glad_glXGetAGPOffsetMESA = (PFNGLXGETAGPOFFSETMESAPROC)load("glXGetAGPOffsetMESA");
+}
+static void load_GLX_MESA_copy_sub_buffer(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_copy_sub_buffer) return;
+	glad_glXCopySubBufferMESA = (PFNGLXCOPYSUBBUFFERMESAPROC)load("glXCopySubBufferMESA");
+}
+static void load_GLX_MESA_pixmap_colormap(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_pixmap_colormap) return;
+	glad_glXCreateGLXPixmapMESA = (PFNGLXCREATEGLXPIXMAPMESAPROC)load("glXCreateGLXPixmapMESA");
+}
+static void load_GLX_MESA_query_renderer(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_query_renderer) return;
+	glad_glXQueryCurrentRendererIntegerMESA = (PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC)load("glXQueryCurrentRendererIntegerMESA");
+	glad_glXQueryCurrentRendererStringMESA = (PFNGLXQUERYCURRENTRENDERERSTRINGMESAPROC)load("glXQueryCurrentRendererStringMESA");
+	glad_glXQueryRendererIntegerMESA = (PFNGLXQUERYRENDERERINTEGERMESAPROC)load("glXQueryRendererIntegerMESA");
+	glad_glXQueryRendererStringMESA = (PFNGLXQUERYRENDERERSTRINGMESAPROC)load("glXQueryRendererStringMESA");
+}
+static void load_GLX_MESA_release_buffers(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_release_buffers) return;
+	glad_glXReleaseBuffersMESA = (PFNGLXRELEASEBUFFERSMESAPROC)load("glXReleaseBuffersMESA");
+}
+static void load_GLX_MESA_set_3dfx_mode(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_set_3dfx_mode) return;
+	glad_glXSet3DfxModeMESA = (PFNGLXSET3DFXMODEMESAPROC)load("glXSet3DfxModeMESA");
+}
+static void load_GLX_MESA_swap_control(GLADloadproc load) {
+	if(!GLAD_GLX_MESA_swap_control) return;
+	glad_glXGetSwapIntervalMESA = (PFNGLXGETSWAPINTERVALMESAPROC)load("glXGetSwapIntervalMESA");
+	glad_glXSwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC)load("glXSwapIntervalMESA");
+}
+static void load_GLX_NV_copy_buffer(GLADloadproc load) {
+	if(!GLAD_GLX_NV_copy_buffer) return;
+	glad_glXCopyBufferSubDataNV = (PFNGLXCOPYBUFFERSUBDATANVPROC)load("glXCopyBufferSubDataNV");
+	glad_glXNamedCopyBufferSubDataNV = (PFNGLXNAMEDCOPYBUFFERSUBDATANVPROC)load("glXNamedCopyBufferSubDataNV");
+}
+static void load_GLX_NV_copy_image(GLADloadproc load) {
+	if(!GLAD_GLX_NV_copy_image) return;
+	glad_glXCopyImageSubDataNV = (PFNGLXCOPYIMAGESUBDATANVPROC)load("glXCopyImageSubDataNV");
+}
+static void load_GLX_NV_delay_before_swap(GLADloadproc load) {
+	if(!GLAD_GLX_NV_delay_before_swap) return;
+	glad_glXDelayBeforeSwapNV = (PFNGLXDELAYBEFORESWAPNVPROC)load("glXDelayBeforeSwapNV");
+}
+static void load_GLX_NV_present_video(GLADloadproc load) {
+	if(!GLAD_GLX_NV_present_video) return;
+	glad_glXEnumerateVideoDevicesNV = (PFNGLXENUMERATEVIDEODEVICESNVPROC)load("glXEnumerateVideoDevicesNV");
+	glad_glXBindVideoDeviceNV = (PFNGLXBINDVIDEODEVICENVPROC)load("glXBindVideoDeviceNV");
+}
+static void load_GLX_NV_swap_group(GLADloadproc load) {
+	if(!GLAD_GLX_NV_swap_group) return;
+	glad_glXJoinSwapGroupNV = (PFNGLXJOINSWAPGROUPNVPROC)load("glXJoinSwapGroupNV");
+	glad_glXBindSwapBarrierNV = (PFNGLXBINDSWAPBARRIERNVPROC)load("glXBindSwapBarrierNV");
+	glad_glXQuerySwapGroupNV = (PFNGLXQUERYSWAPGROUPNVPROC)load("glXQuerySwapGroupNV");
+	glad_glXQueryMaxSwapGroupsNV = (PFNGLXQUERYMAXSWAPGROUPSNVPROC)load("glXQueryMaxSwapGroupsNV");
+	glad_glXQueryFrameCountNV = (PFNGLXQUERYFRAMECOUNTNVPROC)load("glXQueryFrameCountNV");
+	glad_glXResetFrameCountNV = (PFNGLXRESETFRAMECOUNTNVPROC)load("glXResetFrameCountNV");
+}
+static void load_GLX_NV_video_capture(GLADloadproc load) {
+	if(!GLAD_GLX_NV_video_capture) return;
+	glad_glXBindVideoCaptureDeviceNV = (PFNGLXBINDVIDEOCAPTUREDEVICENVPROC)load("glXBindVideoCaptureDeviceNV");
+	glad_glXEnumerateVideoCaptureDevicesNV = (PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC)load("glXEnumerateVideoCaptureDevicesNV");
+	glad_glXLockVideoCaptureDeviceNV = (PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC)load("glXLockVideoCaptureDeviceNV");
+	glad_glXQueryVideoCaptureDeviceNV = (PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC)load("glXQueryVideoCaptureDeviceNV");
+	glad_glXReleaseVideoCaptureDeviceNV = (PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC)load("glXReleaseVideoCaptureDeviceNV");
+}
+static void load_GLX_NV_video_out(GLADloadproc load) {
+	if(!GLAD_GLX_NV_video_out) return;
+	glad_glXGetVideoDeviceNV = (PFNGLXGETVIDEODEVICENVPROC)load("glXGetVideoDeviceNV");
+	glad_glXReleaseVideoDeviceNV = (PFNGLXRELEASEVIDEODEVICENVPROC)load("glXReleaseVideoDeviceNV");
+	glad_glXBindVideoImageNV = (PFNGLXBINDVIDEOIMAGENVPROC)load("glXBindVideoImageNV");
+	glad_glXReleaseVideoImageNV = (PFNGLXRELEASEVIDEOIMAGENVPROC)load("glXReleaseVideoImageNV");
+	glad_glXSendPbufferToVideoNV = (PFNGLXSENDPBUFFERTOVIDEONVPROC)load("glXSendPbufferToVideoNV");
+	glad_glXGetVideoInfoNV = (PFNGLXGETVIDEOINFONVPROC)load("glXGetVideoInfoNV");
+}
+static void load_GLX_OML_sync_control(GLADloadproc load) {
+	if(!GLAD_GLX_OML_sync_control) return;
+	glad_glXGetSyncValuesOML = (PFNGLXGETSYNCVALUESOMLPROC)load("glXGetSyncValuesOML");
+	glad_glXGetMscRateOML = (PFNGLXGETMSCRATEOMLPROC)load("glXGetMscRateOML");
+	glad_glXSwapBuffersMscOML = (PFNGLXSWAPBUFFERSMSCOMLPROC)load("glXSwapBuffersMscOML");
+	glad_glXWaitForMscOML = (PFNGLXWAITFORMSCOMLPROC)load("glXWaitForMscOML");
+	glad_glXWaitForSbcOML = (PFNGLXWAITFORSBCOMLPROC)load("glXWaitForSbcOML");
+}
+static void load_GLX_SGIX_dmbuffer(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_dmbuffer) return;
+#ifdef _DM_BUFFER_H_
+	glad_glXAssociateDMPbufferSGIX = (PFNGLXASSOCIATEDMPBUFFERSGIXPROC)load("glXAssociateDMPbufferSGIX");
+#else
+	(void)load;
+#endif
+}
+static void load_GLX_SGIX_fbconfig(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_fbconfig) return;
+	glad_glXGetFBConfigAttribSGIX = (PFNGLXGETFBCONFIGATTRIBSGIXPROC)load("glXGetFBConfigAttribSGIX");
+	glad_glXChooseFBConfigSGIX = (PFNGLXCHOOSEFBCONFIGSGIXPROC)load("glXChooseFBConfigSGIX");
+	glad_glXCreateGLXPixmapWithConfigSGIX = (PFNGLXCREATEGLXPIXMAPWITHCONFIGSGIXPROC)load("glXCreateGLXPixmapWithConfigSGIX");
+	glad_glXCreateContextWithConfigSGIX = (PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC)load("glXCreateContextWithConfigSGIX");
+	glad_glXGetVisualFromFBConfigSGIX = (PFNGLXGETVISUALFROMFBCONFIGSGIXPROC)load("glXGetVisualFromFBConfigSGIX");
+	glad_glXGetFBConfigFromVisualSGIX = (PFNGLXGETFBCONFIGFROMVISUALSGIXPROC)load("glXGetFBConfigFromVisualSGIX");
+}
+static void load_GLX_SGIX_hyperpipe(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_hyperpipe) return;
+	glad_glXQueryHyperpipeNetworkSGIX = (PFNGLXQUERYHYPERPIPENETWORKSGIXPROC)load("glXQueryHyperpipeNetworkSGIX");
+	glad_glXHyperpipeConfigSGIX = (PFNGLXHYPERPIPECONFIGSGIXPROC)load("glXHyperpipeConfigSGIX");
+	glad_glXQueryHyperpipeConfigSGIX = (PFNGLXQUERYHYPERPIPECONFIGSGIXPROC)load("glXQueryHyperpipeConfigSGIX");
+	glad_glXDestroyHyperpipeConfigSGIX = (PFNGLXDESTROYHYPERPIPECONFIGSGIXPROC)load("glXDestroyHyperpipeConfigSGIX");
+	glad_glXBindHyperpipeSGIX = (PFNGLXBINDHYPERPIPESGIXPROC)load("glXBindHyperpipeSGIX");
+	glad_glXQueryHyperpipeBestAttribSGIX = (PFNGLXQUERYHYPERPIPEBESTATTRIBSGIXPROC)load("glXQueryHyperpipeBestAttribSGIX");
+	glad_glXHyperpipeAttribSGIX = (PFNGLXHYPERPIPEATTRIBSGIXPROC)load("glXHyperpipeAttribSGIX");
+	glad_glXQueryHyperpipeAttribSGIX = (PFNGLXQUERYHYPERPIPEATTRIBSGIXPROC)load("glXQueryHyperpipeAttribSGIX");
+}
+static void load_GLX_SGIX_pbuffer(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_pbuffer) return;
+	glad_glXCreateGLXPbufferSGIX = (PFNGLXCREATEGLXPBUFFERSGIXPROC)load("glXCreateGLXPbufferSGIX");
+	glad_glXDestroyGLXPbufferSGIX = (PFNGLXDESTROYGLXPBUFFERSGIXPROC)load("glXDestroyGLXPbufferSGIX");
+	glad_glXQueryGLXPbufferSGIX = (PFNGLXQUERYGLXPBUFFERSGIXPROC)load("glXQueryGLXPbufferSGIX");
+	glad_glXSelectEventSGIX = (PFNGLXSELECTEVENTSGIXPROC)load("glXSelectEventSGIX");
+	glad_glXGetSelectedEventSGIX = (PFNGLXGETSELECTEDEVENTSGIXPROC)load("glXGetSelectedEventSGIX");
+}
+static void load_GLX_SGIX_swap_barrier(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_swap_barrier) return;
+	glad_glXBindSwapBarrierSGIX = (PFNGLXBINDSWAPBARRIERSGIXPROC)load("glXBindSwapBarrierSGIX");
+	glad_glXQueryMaxSwapBarriersSGIX = (PFNGLXQUERYMAXSWAPBARRIERSSGIXPROC)load("glXQueryMaxSwapBarriersSGIX");
+}
+static void load_GLX_SGIX_swap_group(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_swap_group) return;
+	glad_glXJoinSwapGroupSGIX = (PFNGLXJOINSWAPGROUPSGIXPROC)load("glXJoinSwapGroupSGIX");
+}
+static void load_GLX_SGIX_video_resize(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_video_resize) return;
+	glad_glXBindChannelToWindowSGIX = (PFNGLXBINDCHANNELTOWINDOWSGIXPROC)load("glXBindChannelToWindowSGIX");
+	glad_glXChannelRectSGIX = (PFNGLXCHANNELRECTSGIXPROC)load("glXChannelRectSGIX");
+	glad_glXQueryChannelRectSGIX = (PFNGLXQUERYCHANNELRECTSGIXPROC)load("glXQueryChannelRectSGIX");
+	glad_glXQueryChannelDeltasSGIX = (PFNGLXQUERYCHANNELDELTASSGIXPROC)load("glXQueryChannelDeltasSGIX");
+	glad_glXChannelRectSyncSGIX = (PFNGLXCHANNELRECTSYNCSGIXPROC)load("glXChannelRectSyncSGIX");
+}
+static void load_GLX_SGIX_video_source(GLADloadproc load) {
+	if(!GLAD_GLX_SGIX_video_source) return;
+#ifdef _VL_H_
+	glad_glXCreateGLXVideoSourceSGIX = (PFNGLXCREATEGLXVIDEOSOURCESGIXPROC)load("glXCreateGLXVideoSourceSGIX");
+	glad_glXDestroyGLXVideoSourceSGIX = (PFNGLXDESTROYGLXVIDEOSOURCESGIXPROC)load("glXDestroyGLXVideoSourceSGIX");
+#else
+	(void)load;
+#endif
+}
+static void load_GLX_SGI_cushion(GLADloadproc load) {
+	if(!GLAD_GLX_SGI_cushion) return;
+	glad_glXCushionSGI = (PFNGLXCUSHIONSGIPROC)load("glXCushionSGI");
+}
+static void load_GLX_SGI_make_current_read(GLADloadproc load) {
+	if(!GLAD_GLX_SGI_make_current_read) return;
+	glad_glXMakeCurrentReadSGI = (PFNGLXMAKECURRENTREADSGIPROC)load("glXMakeCurrentReadSGI");
+	glad_glXGetCurrentReadDrawableSGI = (PFNGLXGETCURRENTREADDRAWABLESGIPROC)load("glXGetCurrentReadDrawableSGI");
+}
+static void load_GLX_SGI_swap_control(GLADloadproc load) {
+	if(!GLAD_GLX_SGI_swap_control) return;
+	glad_glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC)load("glXSwapIntervalSGI");
+}
+static void load_GLX_SGI_video_sync(GLADloadproc load) {
+	if(!GLAD_GLX_SGI_video_sync) return;
+	glad_glXGetVideoSyncSGI = (PFNGLXGETVIDEOSYNCSGIPROC)load("glXGetVideoSyncSGI");
+	glad_glXWaitVideoSyncSGI = (PFNGLXWAITVIDEOSYNCSGIPROC)load("glXWaitVideoSyncSGI");
+}
+static void load_GLX_SUN_get_transparent_index(GLADloadproc load) {
+	if(!GLAD_GLX_SUN_get_transparent_index) return;
+	glad_glXGetTransparentIndexSUN = (PFNGLXGETTRANSPARENTINDEXSUNPROC)load("glXGetTransparentIndexSUN");
+}
+static int find_extensionsGLX(void) {
+	if (!get_exts()) return 0;
+	GLAD_GLX_3DFX_multisample = has_ext("GLX_3DFX_multisample");
+	GLAD_GLX_AMD_gpu_association = has_ext("GLX_AMD_gpu_association");
+	GLAD_GLX_ARB_context_flush_control = has_ext("GLX_ARB_context_flush_control");
+	GLAD_GLX_ARB_create_context = has_ext("GLX_ARB_create_context");
+	GLAD_GLX_ARB_create_context_no_error = has_ext("GLX_ARB_create_context_no_error");
+	GLAD_GLX_ARB_create_context_profile = has_ext("GLX_ARB_create_context_profile");
+	GLAD_GLX_ARB_create_context_robustness = has_ext("GLX_ARB_create_context_robustness");
+	GLAD_GLX_ARB_fbconfig_float = has_ext("GLX_ARB_fbconfig_float");
+	GLAD_GLX_ARB_framebuffer_sRGB = has_ext("GLX_ARB_framebuffer_sRGB");
+	GLAD_GLX_ARB_get_proc_address = has_ext("GLX_ARB_get_proc_address");
+	GLAD_GLX_ARB_multisample = has_ext("GLX_ARB_multisample");
+	GLAD_GLX_ARB_robustness_application_isolation = has_ext("GLX_ARB_robustness_application_isolation");
+	GLAD_GLX_ARB_robustness_share_group_isolation = has_ext("GLX_ARB_robustness_share_group_isolation");
+	GLAD_GLX_ARB_vertex_buffer_object = has_ext("GLX_ARB_vertex_buffer_object");
+	GLAD_GLX_EXT_buffer_age = has_ext("GLX_EXT_buffer_age");
+	GLAD_GLX_EXT_context_priority = has_ext("GLX_EXT_context_priority");
+	GLAD_GLX_EXT_create_context_es2_profile = has_ext("GLX_EXT_create_context_es2_profile");
+	GLAD_GLX_EXT_create_context_es_profile = has_ext("GLX_EXT_create_context_es_profile");
+	GLAD_GLX_EXT_fbconfig_packed_float = has_ext("GLX_EXT_fbconfig_packed_float");
+	GLAD_GLX_EXT_framebuffer_sRGB = has_ext("GLX_EXT_framebuffer_sRGB");
+	GLAD_GLX_EXT_get_drawable_type = has_ext("GLX_EXT_get_drawable_type");
+	GLAD_GLX_EXT_import_context = has_ext("GLX_EXT_import_context");
+	GLAD_GLX_EXT_libglvnd = has_ext("GLX_EXT_libglvnd");
+	GLAD_GLX_EXT_no_config_context = has_ext("GLX_EXT_no_config_context");
+	GLAD_GLX_EXT_stereo_tree = has_ext("GLX_EXT_stereo_tree");
+	GLAD_GLX_EXT_swap_control = has_ext("GLX_EXT_swap_control");
+	GLAD_GLX_EXT_swap_control_tear = has_ext("GLX_EXT_swap_control_tear");
+	GLAD_GLX_EXT_texture_from_pixmap = has_ext("GLX_EXT_texture_from_pixmap");
+	GLAD_GLX_EXT_visual_info = has_ext("GLX_EXT_visual_info");
+	GLAD_GLX_EXT_visual_rating = has_ext("GLX_EXT_visual_rating");
+	GLAD_GLX_INTEL_swap_event = has_ext("GLX_INTEL_swap_event");
+	GLAD_GLX_MESA_agp_offset = has_ext("GLX_MESA_agp_offset");
+	GLAD_GLX_MESA_copy_sub_buffer = has_ext("GLX_MESA_copy_sub_buffer");
+	GLAD_GLX_MESA_pixmap_colormap = has_ext("GLX_MESA_pixmap_colormap");
+	GLAD_GLX_MESA_query_renderer = has_ext("GLX_MESA_query_renderer");
+	GLAD_GLX_MESA_release_buffers = has_ext("GLX_MESA_release_buffers");
+	GLAD_GLX_MESA_set_3dfx_mode = has_ext("GLX_MESA_set_3dfx_mode");
+	GLAD_GLX_MESA_swap_control = has_ext("GLX_MESA_swap_control");
+	GLAD_GLX_NV_copy_buffer = has_ext("GLX_NV_copy_buffer");
+	GLAD_GLX_NV_copy_image = has_ext("GLX_NV_copy_image");
+	GLAD_GLX_NV_delay_before_swap = has_ext("GLX_NV_delay_before_swap");
+	GLAD_GLX_NV_float_buffer = has_ext("GLX_NV_float_buffer");
+	GLAD_GLX_NV_multigpu_context = has_ext("GLX_NV_multigpu_context");
+	GLAD_GLX_NV_multisample_coverage = has_ext("GLX_NV_multisample_coverage");
+	GLAD_GLX_NV_present_video = has_ext("GLX_NV_present_video");
+	GLAD_GLX_NV_robustness_video_memory_purge = has_ext("GLX_NV_robustness_video_memory_purge");
+	GLAD_GLX_NV_swap_group = has_ext("GLX_NV_swap_group");
+	GLAD_GLX_NV_video_capture = has_ext("GLX_NV_video_capture");
+	GLAD_GLX_NV_video_out = has_ext("GLX_NV_video_out");
+	GLAD_GLX_OML_swap_method = has_ext("GLX_OML_swap_method");
+	GLAD_GLX_OML_sync_control = has_ext("GLX_OML_sync_control");
+	GLAD_GLX_SGIS_blended_overlay = has_ext("GLX_SGIS_blended_overlay");
+	GLAD_GLX_SGIS_multisample = has_ext("GLX_SGIS_multisample");
+	GLAD_GLX_SGIS_shared_multisample = has_ext("GLX_SGIS_shared_multisample");
+	GLAD_GLX_SGIX_dmbuffer = has_ext("GLX_SGIX_dmbuffer");
+	GLAD_GLX_SGIX_fbconfig = has_ext("GLX_SGIX_fbconfig");
+	GLAD_GLX_SGIX_hyperpipe = has_ext("GLX_SGIX_hyperpipe");
+	GLAD_GLX_SGIX_pbuffer = has_ext("GLX_SGIX_pbuffer");
+	GLAD_GLX_SGIX_swap_barrier = has_ext("GLX_SGIX_swap_barrier");
+	GLAD_GLX_SGIX_swap_group = has_ext("GLX_SGIX_swap_group");
+	GLAD_GLX_SGIX_video_resize = has_ext("GLX_SGIX_video_resize");
+	GLAD_GLX_SGIX_video_source = has_ext("GLX_SGIX_video_source");
+	GLAD_GLX_SGIX_visual_select_group = has_ext("GLX_SGIX_visual_select_group");
+	GLAD_GLX_SGI_cushion = has_ext("GLX_SGI_cushion");
+	GLAD_GLX_SGI_make_current_read = has_ext("GLX_SGI_make_current_read");
+	GLAD_GLX_SGI_swap_control = has_ext("GLX_SGI_swap_control");
+	GLAD_GLX_SGI_video_sync = has_ext("GLX_SGI_video_sync");
+	GLAD_GLX_SUN_get_transparent_index = has_ext("GLX_SUN_get_transparent_index");
+	free_exts();
+	return 1;
+}
+
+static void find_coreGLX(Display *dpy, int screen) {
+	int major = 0, minor = 0;
+	if(dpy == 0 && GLADGLXDisplay == 0) {
+		dpy = XOpenDisplay(0);
+		screen = XScreenNumberOfScreen(XDefaultScreenOfDisplay(dpy));
+	} else if(dpy == 0) {
+		dpy = GLADGLXDisplay;
+		screen = GLADGLXscreen;
+	}
+	glXQueryVersion(dpy, &major, &minor);
+	GLADGLXDisplay = dpy;
+	GLADGLXscreen = screen;
+	GLAD_GLX_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
+	GLAD_GLX_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
+	GLAD_GLX_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
+	GLAD_GLX_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
+	GLAD_GLX_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
+}
+
+int gladLoadGLXLoader(GLADloadproc load, Display *dpy, int screen) {
+	glXQueryVersion = (PFNGLXQUERYVERSIONPROC)load("glXQueryVersion");
+	if(glXQueryVersion == NULL) return 0;
+	find_coreGLX(dpy, screen);
+	load_GLX_VERSION_1_0(load);
+	load_GLX_VERSION_1_1(load);
+	load_GLX_VERSION_1_2(load);
+	load_GLX_VERSION_1_3(load);
+	load_GLX_VERSION_1_4(load);
+
+	if (!find_extensionsGLX()) return 0;
+	load_GLX_AMD_gpu_association(load);
+	load_GLX_ARB_create_context(load);
+	load_GLX_ARB_get_proc_address(load);
+	load_GLX_EXT_import_context(load);
+	load_GLX_EXT_swap_control(load);
+	load_GLX_EXT_texture_from_pixmap(load);
+	load_GLX_MESA_agp_offset(load);
+	load_GLX_MESA_copy_sub_buffer(load);
+	load_GLX_MESA_pixmap_colormap(load);
+	load_GLX_MESA_query_renderer(load);
+	load_GLX_MESA_release_buffers(load);
+	load_GLX_MESA_set_3dfx_mode(load);
+	load_GLX_MESA_swap_control(load);
+	load_GLX_NV_copy_buffer(load);
+	load_GLX_NV_copy_image(load);
+	load_GLX_NV_delay_before_swap(load);
+	load_GLX_NV_present_video(load);
+	load_GLX_NV_swap_group(load);
+	load_GLX_NV_video_capture(load);
+	load_GLX_NV_video_out(load);
+	load_GLX_OML_sync_control(load);
+	load_GLX_SGIX_dmbuffer(load);
+	load_GLX_SGIX_fbconfig(load);
+	load_GLX_SGIX_hyperpipe(load);
+	load_GLX_SGIX_pbuffer(load);
+	load_GLX_SGIX_swap_barrier(load);
+	load_GLX_SGIX_swap_group(load);
+	load_GLX_SGIX_video_resize(load);
+	load_GLX_SGIX_video_source(load);
+	load_GLX_SGI_cushion(load);
+	load_GLX_SGI_make_current_read(load);
+	load_GLX_SGI_swap_control(load);
+	load_GLX_SGI_video_sync(load);
+	load_GLX_SUN_get_transparent_index(load);
+	return 1;
+}
+

third_party/glad/src/glad_wgl.c

@@ -0,0 +1,756 @@
+/*
+
+    WGL loader generated by glad 0.1.36 on Thu Sep 15 11:18:46 2022.
+
+    Language/Generator: C/C++
+    Specification: wgl
+    APIs: wgl=1.0
+    Profile: -
+    Extensions:
+        WGL_3DFX_multisample,
+        WGL_3DL_stereo_control,
+        WGL_AMD_gpu_association,
+        WGL_ARB_buffer_region,
+        WGL_ARB_context_flush_control,
+        WGL_ARB_create_context,
+        WGL_ARB_create_context_no_error,
+        WGL_ARB_create_context_profile,
+        WGL_ARB_create_context_robustness,
+        WGL_ARB_extensions_string,
+        WGL_ARB_framebuffer_sRGB,
+        WGL_ARB_make_current_read,
+        WGL_ARB_multisample,
+        WGL_ARB_pbuffer,
+        WGL_ARB_pixel_format,
+        WGL_ARB_pixel_format_float,
+        WGL_ARB_render_texture,
+        WGL_ARB_robustness_application_isolation,
+        WGL_ARB_robustness_share_group_isolation,
+        WGL_ATI_pixel_format_float,
+        WGL_ATI_render_texture_rectangle,
+        WGL_EXT_colorspace,
+        WGL_EXT_create_context_es2_profile,
+        WGL_EXT_create_context_es_profile,
+        WGL_EXT_depth_float,
+        WGL_EXT_display_color_table,
+        WGL_EXT_extensions_string,
+        WGL_EXT_framebuffer_sRGB,
+        WGL_EXT_make_current_read,
+        WGL_EXT_multisample,
+        WGL_EXT_pbuffer,
+        WGL_EXT_pixel_format,
+        WGL_EXT_pixel_format_packed_float,
+        WGL_EXT_swap_control,
+        WGL_EXT_swap_control_tear,
+        WGL_I3D_digital_video_control,
+        WGL_I3D_gamma,
+        WGL_I3D_genlock,
+        WGL_I3D_image_buffer,
+        WGL_I3D_swap_frame_lock,
+        WGL_I3D_swap_frame_usage,
+        WGL_NV_DX_interop,
+        WGL_NV_DX_interop2,
+        WGL_NV_copy_image,
+        WGL_NV_delay_before_swap,
+        WGL_NV_float_buffer,
+        WGL_NV_gpu_affinity,
+        WGL_NV_multigpu_context,
+        WGL_NV_multisample_coverage,
+        WGL_NV_present_video,
+        WGL_NV_render_depth_texture,
+        WGL_NV_render_texture_rectangle,
+        WGL_NV_swap_group,
+        WGL_NV_vertex_array_range,
+        WGL_NV_video_capture,
+        WGL_NV_video_output,
+        WGL_OML_sync_control
+    Loader: True
+    Local files: True
+    Omit khrplatform: False
+    Reproducible: False
+
+    Commandline:
+        --api="wgl=1.0" --generator="c" --spec="wgl" --local-files --extensions="WGL_3DFX_multisample,WGL_3DL_stereo_control,WGL_AMD_gpu_association,WGL_ARB_buffer_region,WGL_ARB_context_flush_control,WGL_ARB_create_context,WGL_ARB_create_context_no_error,WGL_ARB_create_context_profile,WGL_ARB_create_context_robustness,WGL_ARB_extensions_string,WGL_ARB_framebuffer_sRGB,WGL_ARB_make_current_read,WGL_ARB_multisample,WGL_ARB_pbuffer,WGL_ARB_pixel_format,WGL_ARB_pixel_format_float,WGL_ARB_render_texture,WGL_ARB_robustness_application_isolation,WGL_ARB_robustness_share_group_isolation,WGL_ATI_pixel_format_float,WGL_ATI_render_texture_rectangle,WGL_EXT_colorspace,WGL_EXT_create_context_es2_profile,WGL_EXT_create_context_es_profile,WGL_EXT_depth_float,WGL_EXT_display_color_table,WGL_EXT_extensions_string,WGL_EXT_framebuffer_sRGB,WGL_EXT_make_current_read,WGL_EXT_multisample,WGL_EXT_pbuffer,WGL_EXT_pixel_format,WGL_EXT_pixel_format_packed_float,WGL_EXT_swap_control,WGL_EXT_swap_control_tear,WGL_I3D_digital_video_control,WGL_I3D_gamma,WGL_I3D_genlock,WGL_I3D_image_buffer,WGL_I3D_swap_frame_lock,WGL_I3D_swap_frame_usage,WGL_NV_DX_interop,WGL_NV_DX_interop2,WGL_NV_copy_image,WGL_NV_delay_before_swap,WGL_NV_float_buffer,WGL_NV_gpu_affinity,WGL_NV_multigpu_context,WGL_NV_multisample_coverage,WGL_NV_present_video,WGL_NV_render_depth_texture,WGL_NV_render_texture_rectangle,WGL_NV_swap_group,WGL_NV_vertex_array_range,WGL_NV_video_capture,WGL_NV_video_output,WGL_OML_sync_control"
+    Online:
+        Too many extensions
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <glad/glad_wgl.h>
+
+static void* get_proc(const char *namez);
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+#ifndef _WINDOWS_
+#undef APIENTRY
+#endif
+#include <windows.h>
+static HMODULE libGL;
+
+typedef void* (APIENTRYP PFNWGLGETPROCADDRESSPROC_PRIVATE)(const char*);
+static PFNWGLGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
+
+#ifdef _MSC_VER
+#ifdef __has_include
+  #if __has_include(<winapifamily.h>)
+    #define HAVE_WINAPIFAMILY 1
+  #endif
+#elif _MSC_VER >= 1700 && !_USING_V110_SDK71_
+  #define HAVE_WINAPIFAMILY 1
+#endif
+#endif
+
+#ifdef HAVE_WINAPIFAMILY
+  #include <winapifamily.h>
+  #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) && WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+    #define IS_UWP 1
+  #endif
+#endif
+
+static
+int open_wgl(void) {
+#ifndef IS_UWP
+    libGL = LoadLibraryW(L"opengl32.dll");
+    if(libGL != NULL) {
+        void (* tmp)(void);
+        tmp = (void(*)(void)) GetProcAddress(libGL, "wglGetProcAddress");
+        gladGetProcAddressPtr = (PFNWGLGETPROCADDRESSPROC_PRIVATE) tmp;
+        return gladGetProcAddressPtr != NULL;
+    }
+#endif
+
+    return 0;
+}
+
+static
+void close_wgl(void) {
+    if(libGL != NULL) {
+        FreeLibrary((HMODULE) libGL);
+        libGL = NULL;
+    }
+}
+#else
+#include <dlfcn.h>
+static void* libGL;
+
+#if !defined(__APPLE__) && !defined(__HAIKU__)
+typedef void* (APIENTRYP PFNGLXGETPROCADDRESSPROC_PRIVATE)(const char*);
+static PFNGLXGETPROCADDRESSPROC_PRIVATE gladGetProcAddressPtr;
+#endif
+
+static
+int open_wgl(void) {
+#ifdef __APPLE__
+    static const char *NAMES[] = {
+        "../Frameworks/OpenGL.framework/OpenGL",
+        "/Library/Frameworks/OpenGL.framework/OpenGL",
+        "/System/Library/Frameworks/OpenGL.framework/OpenGL",
+        "/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL"
+    };
+#else
+    static const char *NAMES[] = {"libGL.so.1", "libGL.so"};
+#endif
+
+    unsigned int index = 0;
+    for(index = 0; index < (sizeof(NAMES) / sizeof(NAMES[0])); index++) {
+        libGL = dlopen(NAMES[index], RTLD_NOW | RTLD_GLOBAL);
+
+        if(libGL != NULL) {
+#if defined(__APPLE__) || defined(__HAIKU__)
+            return 1;
+#else
+            gladGetProcAddressPtr = (PFNGLXGETPROCADDRESSPROC_PRIVATE)dlsym(libGL,
+                "glXGetProcAddressARB");
+            return gladGetProcAddressPtr != NULL;
+#endif
+        }
+    }
+
+    return 0;
+}
+
+static
+void close_wgl(void) {
+    if(libGL != NULL) {
+        dlclose(libGL);
+        libGL = NULL;
+    }
+}
+#endif
+
+static
+void* get_proc(const char *namez) {
+    void* result = NULL;
+    if(libGL == NULL) return NULL;
+
+#if !defined(__APPLE__) && !defined(__HAIKU__)
+    if(gladGetProcAddressPtr != NULL) {
+        result = gladGetProcAddressPtr(namez);
+    }
+#endif
+    if(result == NULL) {
+#if defined(_WIN32) || defined(__CYGWIN__)
+        result = (void*)GetProcAddress((HMODULE) libGL, namez);
+#else
+        result = dlsym(libGL, namez);
+#endif
+    }
+
+    return result;
+}
+
+int gladLoadWGL(HDC hdc) {
+    int status = 0;
+
+    if(open_wgl()) {
+        status = gladLoadWGLLoader((GLADloadproc)get_proc, hdc);
+    }
+
+    return status;
+}
+
+void gladUnloadGLX(void) {
+    close_wgl();
+}
+
+static HDC GLADWGLhdc = (HDC)INVALID_HANDLE_VALUE;
+
+static int get_exts(void) {
+    return 1;
+}
+
+static void free_exts(void) {
+    return;
+}
+
+static int has_ext(const char *ext) {
+    const char *terminator;
+    const char *loc;
+    const char *extensions;
+
+    if(wglGetExtensionsStringEXT == NULL && wglGetExtensionsStringARB == NULL)
+        return 0;
+
+    if(wglGetExtensionsStringARB == NULL || GLADWGLhdc == INVALID_HANDLE_VALUE)
+        extensions = wglGetExtensionsStringEXT();
+    else
+        extensions = wglGetExtensionsStringARB(GLADWGLhdc);
+
+    if(extensions == NULL || ext == NULL)
+        return 0;
+
+    while(1) {
+        loc = strstr(extensions, ext);
+        if(loc == NULL)
+            break;
+
+        terminator = loc + strlen(ext);
+        if((loc == extensions || *(loc - 1) == ' ') &&
+            (*terminator == ' ' || *terminator == '\0'))
+        {
+            return 1;
+        }
+        extensions = terminator;
+    }
+
+    return 0;
+}
+int GLAD_WGL_VERSION_1_0 = 0;
+int GLAD_WGL_3DFX_multisample = 0;
+int GLAD_WGL_3DL_stereo_control = 0;
+int GLAD_WGL_AMD_gpu_association = 0;
+int GLAD_WGL_ARB_buffer_region = 0;
+int GLAD_WGL_ARB_context_flush_control = 0;
+int GLAD_WGL_ARB_create_context = 0;
+int GLAD_WGL_ARB_create_context_no_error = 0;
+int GLAD_WGL_ARB_create_context_profile = 0;
+int GLAD_WGL_ARB_create_context_robustness = 0;
+int GLAD_WGL_ARB_extensions_string = 0;
+int GLAD_WGL_ARB_framebuffer_sRGB = 0;
+int GLAD_WGL_ARB_make_current_read = 0;
+int GLAD_WGL_ARB_multisample = 0;
+int GLAD_WGL_ARB_pbuffer = 0;
+int GLAD_WGL_ARB_pixel_format = 0;
+int GLAD_WGL_ARB_pixel_format_float = 0;
+int GLAD_WGL_ARB_render_texture = 0;
+int GLAD_WGL_ARB_robustness_application_isolation = 0;
+int GLAD_WGL_ARB_robustness_share_group_isolation = 0;
+int GLAD_WGL_ATI_pixel_format_float = 0;
+int GLAD_WGL_ATI_render_texture_rectangle = 0;
+int GLAD_WGL_EXT_colorspace = 0;
+int GLAD_WGL_EXT_create_context_es2_profile = 0;
+int GLAD_WGL_EXT_create_context_es_profile = 0;
+int GLAD_WGL_EXT_depth_float = 0;
+int GLAD_WGL_EXT_display_color_table = 0;
+int GLAD_WGL_EXT_extensions_string = 0;
+int GLAD_WGL_EXT_framebuffer_sRGB = 0;
+int GLAD_WGL_EXT_make_current_read = 0;
+int GLAD_WGL_EXT_multisample = 0;
+int GLAD_WGL_EXT_pbuffer = 0;
+int GLAD_WGL_EXT_pixel_format = 0;
+int GLAD_WGL_EXT_pixel_format_packed_float = 0;
+int GLAD_WGL_EXT_swap_control = 0;
+int GLAD_WGL_EXT_swap_control_tear = 0;
+int GLAD_WGL_I3D_digital_video_control = 0;
+int GLAD_WGL_I3D_gamma = 0;
+int GLAD_WGL_I3D_genlock = 0;
+int GLAD_WGL_I3D_image_buffer = 0;
+int GLAD_WGL_I3D_swap_frame_lock = 0;
+int GLAD_WGL_I3D_swap_frame_usage = 0;
+int GLAD_WGL_NV_DX_interop = 0;
+int GLAD_WGL_NV_DX_interop2 = 0;
+int GLAD_WGL_NV_copy_image = 0;
+int GLAD_WGL_NV_delay_before_swap = 0;
+int GLAD_WGL_NV_float_buffer = 0;
+int GLAD_WGL_NV_gpu_affinity = 0;
+int GLAD_WGL_NV_multigpu_context = 0;
+int GLAD_WGL_NV_multisample_coverage = 0;
+int GLAD_WGL_NV_present_video = 0;
+int GLAD_WGL_NV_render_depth_texture = 0;
+int GLAD_WGL_NV_render_texture_rectangle = 0;
+int GLAD_WGL_NV_swap_group = 0;
+int GLAD_WGL_NV_vertex_array_range = 0;
+int GLAD_WGL_NV_video_capture = 0;
+int GLAD_WGL_NV_video_output = 0;
+int GLAD_WGL_OML_sync_control = 0;
+PFNWGLSETSTEREOEMITTERSTATE3DLPROC glad_wglSetStereoEmitterState3DL = NULL;
+PFNWGLGETGPUIDSAMDPROC glad_wglGetGPUIDsAMD = NULL;
+PFNWGLGETGPUINFOAMDPROC glad_wglGetGPUInfoAMD = NULL;
+PFNWGLGETCONTEXTGPUIDAMDPROC glad_wglGetContextGPUIDAMD = NULL;
+PFNWGLCREATEASSOCIATEDCONTEXTAMDPROC glad_wglCreateAssociatedContextAMD = NULL;
+PFNWGLCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC glad_wglCreateAssociatedContextAttribsAMD = NULL;
+PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC glad_wglDeleteAssociatedContextAMD = NULL;
+PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC glad_wglMakeAssociatedContextCurrentAMD = NULL;
+PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC glad_wglGetCurrentAssociatedContextAMD = NULL;
+PFNWGLBLITCONTEXTFRAMEBUFFERAMDPROC glad_wglBlitContextFramebufferAMD = NULL;
+PFNWGLCREATEBUFFERREGIONARBPROC glad_wglCreateBufferRegionARB = NULL;
+PFNWGLDELETEBUFFERREGIONARBPROC glad_wglDeleteBufferRegionARB = NULL;
+PFNWGLSAVEBUFFERREGIONARBPROC glad_wglSaveBufferRegionARB = NULL;
+PFNWGLRESTOREBUFFERREGIONARBPROC glad_wglRestoreBufferRegionARB = NULL;
+PFNWGLCREATECONTEXTATTRIBSARBPROC glad_wglCreateContextAttribsARB = NULL;
+PFNWGLGETEXTENSIONSSTRINGARBPROC glad_wglGetExtensionsStringARB = NULL;
+PFNWGLMAKECONTEXTCURRENTARBPROC glad_wglMakeContextCurrentARB = NULL;
+PFNWGLGETCURRENTREADDCARBPROC glad_wglGetCurrentReadDCARB = NULL;
+PFNWGLCREATEPBUFFERARBPROC glad_wglCreatePbufferARB = NULL;
+PFNWGLGETPBUFFERDCARBPROC glad_wglGetPbufferDCARB = NULL;
+PFNWGLRELEASEPBUFFERDCARBPROC glad_wglReleasePbufferDCARB = NULL;
+PFNWGLDESTROYPBUFFERARBPROC glad_wglDestroyPbufferARB = NULL;
+PFNWGLQUERYPBUFFERARBPROC glad_wglQueryPbufferARB = NULL;
+PFNWGLGETPIXELFORMATATTRIBIVARBPROC glad_wglGetPixelFormatAttribivARB = NULL;
+PFNWGLGETPIXELFORMATATTRIBFVARBPROC glad_wglGetPixelFormatAttribfvARB = NULL;
+PFNWGLCHOOSEPIXELFORMATARBPROC glad_wglChoosePixelFormatARB = NULL;
+PFNWGLBINDTEXIMAGEARBPROC glad_wglBindTexImageARB = NULL;
+PFNWGLRELEASETEXIMAGEARBPROC glad_wglReleaseTexImageARB = NULL;
+PFNWGLSETPBUFFERATTRIBARBPROC glad_wglSetPbufferAttribARB = NULL;
+PFNWGLCREATEDISPLAYCOLORTABLEEXTPROC glad_wglCreateDisplayColorTableEXT = NULL;
+PFNWGLLOADDISPLAYCOLORTABLEEXTPROC glad_wglLoadDisplayColorTableEXT = NULL;
+PFNWGLBINDDISPLAYCOLORTABLEEXTPROC glad_wglBindDisplayColorTableEXT = NULL;
+PFNWGLDESTROYDISPLAYCOLORTABLEEXTPROC glad_wglDestroyDisplayColorTableEXT = NULL;
+PFNWGLGETEXTENSIONSSTRINGEXTPROC glad_wglGetExtensionsStringEXT = NULL;
+PFNWGLMAKECONTEXTCURRENTEXTPROC glad_wglMakeContextCurrentEXT = NULL;
+PFNWGLGETCURRENTREADDCEXTPROC glad_wglGetCurrentReadDCEXT = NULL;
+PFNWGLCREATEPBUFFEREXTPROC glad_wglCreatePbufferEXT = NULL;
+PFNWGLGETPBUFFERDCEXTPROC glad_wglGetPbufferDCEXT = NULL;
+PFNWGLRELEASEPBUFFERDCEXTPROC glad_wglReleasePbufferDCEXT = NULL;
+PFNWGLDESTROYPBUFFEREXTPROC glad_wglDestroyPbufferEXT = NULL;
+PFNWGLQUERYPBUFFEREXTPROC glad_wglQueryPbufferEXT = NULL;
+PFNWGLGETPIXELFORMATATTRIBIVEXTPROC glad_wglGetPixelFormatAttribivEXT = NULL;
+PFNWGLGETPIXELFORMATATTRIBFVEXTPROC glad_wglGetPixelFormatAttribfvEXT = NULL;
+PFNWGLCHOOSEPIXELFORMATEXTPROC glad_wglChoosePixelFormatEXT = NULL;
+PFNWGLSWAPINTERVALEXTPROC glad_wglSwapIntervalEXT = NULL;
+PFNWGLGETSWAPINTERVALEXTPROC glad_wglGetSwapIntervalEXT = NULL;
+PFNWGLGETDIGITALVIDEOPARAMETERSI3DPROC glad_wglGetDigitalVideoParametersI3D = NULL;
+PFNWGLSETDIGITALVIDEOPARAMETERSI3DPROC glad_wglSetDigitalVideoParametersI3D = NULL;
+PFNWGLGETGAMMATABLEPARAMETERSI3DPROC glad_wglGetGammaTableParametersI3D = NULL;
+PFNWGLSETGAMMATABLEPARAMETERSI3DPROC glad_wglSetGammaTableParametersI3D = NULL;
+PFNWGLGETGAMMATABLEI3DPROC glad_wglGetGammaTableI3D = NULL;
+PFNWGLSETGAMMATABLEI3DPROC glad_wglSetGammaTableI3D = NULL;
+PFNWGLENABLEGENLOCKI3DPROC glad_wglEnableGenlockI3D = NULL;
+PFNWGLDISABLEGENLOCKI3DPROC glad_wglDisableGenlockI3D = NULL;
+PFNWGLISENABLEDGENLOCKI3DPROC glad_wglIsEnabledGenlockI3D = NULL;
+PFNWGLGENLOCKSOURCEI3DPROC glad_wglGenlockSourceI3D = NULL;
+PFNWGLGETGENLOCKSOURCEI3DPROC glad_wglGetGenlockSourceI3D = NULL;
+PFNWGLGENLOCKSOURCEEDGEI3DPROC glad_wglGenlockSourceEdgeI3D = NULL;
+PFNWGLGETGENLOCKSOURCEEDGEI3DPROC glad_wglGetGenlockSourceEdgeI3D = NULL;
+PFNWGLGENLOCKSAMPLERATEI3DPROC glad_wglGenlockSampleRateI3D = NULL;
+PFNWGLGETGENLOCKSAMPLERATEI3DPROC glad_wglGetGenlockSampleRateI3D = NULL;
+PFNWGLGENLOCKSOURCEDELAYI3DPROC glad_wglGenlockSourceDelayI3D = NULL;
+PFNWGLGETGENLOCKSOURCEDELAYI3DPROC glad_wglGetGenlockSourceDelayI3D = NULL;
+PFNWGLQUERYGENLOCKMAXSOURCEDELAYI3DPROC glad_wglQueryGenlockMaxSourceDelayI3D = NULL;
+PFNWGLCREATEIMAGEBUFFERI3DPROC glad_wglCreateImageBufferI3D = NULL;
+PFNWGLDESTROYIMAGEBUFFERI3DPROC glad_wglDestroyImageBufferI3D = NULL;
+PFNWGLASSOCIATEIMAGEBUFFEREVENTSI3DPROC glad_wglAssociateImageBufferEventsI3D = NULL;
+PFNWGLRELEASEIMAGEBUFFEREVENTSI3DPROC glad_wglReleaseImageBufferEventsI3D = NULL;
+PFNWGLENABLEFRAMELOCKI3DPROC glad_wglEnableFrameLockI3D = NULL;
+PFNWGLDISABLEFRAMELOCKI3DPROC glad_wglDisableFrameLockI3D = NULL;
+PFNWGLISENABLEDFRAMELOCKI3DPROC glad_wglIsEnabledFrameLockI3D = NULL;
+PFNWGLQUERYFRAMELOCKMASTERI3DPROC glad_wglQueryFrameLockMasterI3D = NULL;
+PFNWGLGETFRAMEUSAGEI3DPROC glad_wglGetFrameUsageI3D = NULL;
+PFNWGLBEGINFRAMETRACKINGI3DPROC glad_wglBeginFrameTrackingI3D = NULL;
+PFNWGLENDFRAMETRACKINGI3DPROC glad_wglEndFrameTrackingI3D = NULL;
+PFNWGLQUERYFRAMETRACKINGI3DPROC glad_wglQueryFrameTrackingI3D = NULL;
+PFNWGLDXSETRESOURCESHAREHANDLENVPROC glad_wglDXSetResourceShareHandleNV = NULL;
+PFNWGLDXOPENDEVICENVPROC glad_wglDXOpenDeviceNV = NULL;
+PFNWGLDXCLOSEDEVICENVPROC glad_wglDXCloseDeviceNV = NULL;
+PFNWGLDXREGISTEROBJECTNVPROC glad_wglDXRegisterObjectNV = NULL;
+PFNWGLDXUNREGISTEROBJECTNVPROC glad_wglDXUnregisterObjectNV = NULL;
+PFNWGLDXOBJECTACCESSNVPROC glad_wglDXObjectAccessNV = NULL;
+PFNWGLDXLOCKOBJECTSNVPROC glad_wglDXLockObjectsNV = NULL;
+PFNWGLDXUNLOCKOBJECTSNVPROC glad_wglDXUnlockObjectsNV = NULL;
+PFNWGLCOPYIMAGESUBDATANVPROC glad_wglCopyImageSubDataNV = NULL;
+PFNWGLDELAYBEFORESWAPNVPROC glad_wglDelayBeforeSwapNV = NULL;
+PFNWGLENUMGPUSNVPROC glad_wglEnumGpusNV = NULL;
+PFNWGLENUMGPUDEVICESNVPROC glad_wglEnumGpuDevicesNV = NULL;
+PFNWGLCREATEAFFINITYDCNVPROC glad_wglCreateAffinityDCNV = NULL;
+PFNWGLENUMGPUSFROMAFFINITYDCNVPROC glad_wglEnumGpusFromAffinityDCNV = NULL;
+PFNWGLDELETEDCNVPROC glad_wglDeleteDCNV = NULL;
+PFNWGLENUMERATEVIDEODEVICESNVPROC glad_wglEnumerateVideoDevicesNV = NULL;
+PFNWGLBINDVIDEODEVICENVPROC glad_wglBindVideoDeviceNV = NULL;
+PFNWGLQUERYCURRENTCONTEXTNVPROC glad_wglQueryCurrentContextNV = NULL;
+PFNWGLJOINSWAPGROUPNVPROC glad_wglJoinSwapGroupNV = NULL;
+PFNWGLBINDSWAPBARRIERNVPROC glad_wglBindSwapBarrierNV = NULL;
+PFNWGLQUERYSWAPGROUPNVPROC glad_wglQuerySwapGroupNV = NULL;
+PFNWGLQUERYMAXSWAPGROUPSNVPROC glad_wglQueryMaxSwapGroupsNV = NULL;
+PFNWGLQUERYFRAMECOUNTNVPROC glad_wglQueryFrameCountNV = NULL;
+PFNWGLRESETFRAMECOUNTNVPROC glad_wglResetFrameCountNV = NULL;
+PFNWGLALLOCATEMEMORYNVPROC glad_wglAllocateMemoryNV = NULL;
+PFNWGLFREEMEMORYNVPROC glad_wglFreeMemoryNV = NULL;
+PFNWGLBINDVIDEOCAPTUREDEVICENVPROC glad_wglBindVideoCaptureDeviceNV = NULL;
+PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC glad_wglEnumerateVideoCaptureDevicesNV = NULL;
+PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC glad_wglLockVideoCaptureDeviceNV = NULL;
+PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC glad_wglQueryVideoCaptureDeviceNV = NULL;
+PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC glad_wglReleaseVideoCaptureDeviceNV = NULL;
+PFNWGLGETVIDEODEVICENVPROC glad_wglGetVideoDeviceNV = NULL;
+PFNWGLRELEASEVIDEODEVICENVPROC glad_wglReleaseVideoDeviceNV = NULL;
+PFNWGLBINDVIDEOIMAGENVPROC glad_wglBindVideoImageNV = NULL;
+PFNWGLRELEASEVIDEOIMAGENVPROC glad_wglReleaseVideoImageNV = NULL;
+PFNWGLSENDPBUFFERTOVIDEONVPROC glad_wglSendPbufferToVideoNV = NULL;
+PFNWGLGETVIDEOINFONVPROC glad_wglGetVideoInfoNV = NULL;
+PFNWGLGETSYNCVALUESOMLPROC glad_wglGetSyncValuesOML = NULL;
+PFNWGLGETMSCRATEOMLPROC glad_wglGetMscRateOML = NULL;
+PFNWGLSWAPBUFFERSMSCOMLPROC glad_wglSwapBuffersMscOML = NULL;
+PFNWGLSWAPLAYERBUFFERSMSCOMLPROC glad_wglSwapLayerBuffersMscOML = NULL;
+PFNWGLWAITFORMSCOMLPROC glad_wglWaitForMscOML = NULL;
+PFNWGLWAITFORSBCOMLPROC glad_wglWaitForSbcOML = NULL;
+static void load_WGL_3DL_stereo_control(GLADloadproc load) {
+	if(!GLAD_WGL_3DL_stereo_control) return;
+	glad_wglSetStereoEmitterState3DL = (PFNWGLSETSTEREOEMITTERSTATE3DLPROC)load("wglSetStereoEmitterState3DL");
+}
+static void load_WGL_AMD_gpu_association(GLADloadproc load) {
+	if(!GLAD_WGL_AMD_gpu_association) return;
+	glad_wglGetGPUIDsAMD = (PFNWGLGETGPUIDSAMDPROC)load("wglGetGPUIDsAMD");
+	glad_wglGetGPUInfoAMD = (PFNWGLGETGPUINFOAMDPROC)load("wglGetGPUInfoAMD");
+	glad_wglGetContextGPUIDAMD = (PFNWGLGETCONTEXTGPUIDAMDPROC)load("wglGetContextGPUIDAMD");
+	glad_wglCreateAssociatedContextAMD = (PFNWGLCREATEASSOCIATEDCONTEXTAMDPROC)load("wglCreateAssociatedContextAMD");
+	glad_wglCreateAssociatedContextAttribsAMD = (PFNWGLCREATEASSOCIATEDCONTEXTATTRIBSAMDPROC)load("wglCreateAssociatedContextAttribsAMD");
+	glad_wglDeleteAssociatedContextAMD = (PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC)load("wglDeleteAssociatedContextAMD");
+	glad_wglMakeAssociatedContextCurrentAMD = (PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC)load("wglMakeAssociatedContextCurrentAMD");
+	glad_wglGetCurrentAssociatedContextAMD = (PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC)load("wglGetCurrentAssociatedContextAMD");
+	glad_wglBlitContextFramebufferAMD = (PFNWGLBLITCONTEXTFRAMEBUFFERAMDPROC)load("wglBlitContextFramebufferAMD");
+}
+static void load_WGL_ARB_buffer_region(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_buffer_region) return;
+	glad_wglCreateBufferRegionARB = (PFNWGLCREATEBUFFERREGIONARBPROC)load("wglCreateBufferRegionARB");
+	glad_wglDeleteBufferRegionARB = (PFNWGLDELETEBUFFERREGIONARBPROC)load("wglDeleteBufferRegionARB");
+	glad_wglSaveBufferRegionARB = (PFNWGLSAVEBUFFERREGIONARBPROC)load("wglSaveBufferRegionARB");
+	glad_wglRestoreBufferRegionARB = (PFNWGLRESTOREBUFFERREGIONARBPROC)load("wglRestoreBufferRegionARB");
+}
+static void load_WGL_ARB_create_context(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_create_context) return;
+	glad_wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)load("wglCreateContextAttribsARB");
+}
+static void load_WGL_ARB_extensions_string(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_extensions_string) return;
+	glad_wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)load("wglGetExtensionsStringARB");
+}
+static void load_WGL_ARB_make_current_read(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_make_current_read) return;
+	glad_wglMakeContextCurrentARB = (PFNWGLMAKECONTEXTCURRENTARBPROC)load("wglMakeContextCurrentARB");
+	glad_wglGetCurrentReadDCARB = (PFNWGLGETCURRENTREADDCARBPROC)load("wglGetCurrentReadDCARB");
+}
+static void load_WGL_ARB_pbuffer(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_pbuffer) return;
+	glad_wglCreatePbufferARB = (PFNWGLCREATEPBUFFERARBPROC)load("wglCreatePbufferARB");
+	glad_wglGetPbufferDCARB = (PFNWGLGETPBUFFERDCARBPROC)load("wglGetPbufferDCARB");
+	glad_wglReleasePbufferDCARB = (PFNWGLRELEASEPBUFFERDCARBPROC)load("wglReleasePbufferDCARB");
+	glad_wglDestroyPbufferARB = (PFNWGLDESTROYPBUFFERARBPROC)load("wglDestroyPbufferARB");
+	glad_wglQueryPbufferARB = (PFNWGLQUERYPBUFFERARBPROC)load("wglQueryPbufferARB");
+}
+static void load_WGL_ARB_pixel_format(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_pixel_format) return;
+	glad_wglGetPixelFormatAttribivARB = (PFNWGLGETPIXELFORMATATTRIBIVARBPROC)load("wglGetPixelFormatAttribivARB");
+	glad_wglGetPixelFormatAttribfvARB = (PFNWGLGETPIXELFORMATATTRIBFVARBPROC)load("wglGetPixelFormatAttribfvARB");
+	glad_wglChoosePixelFormatARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)load("wglChoosePixelFormatARB");
+}
+static void load_WGL_ARB_render_texture(GLADloadproc load) {
+	if(!GLAD_WGL_ARB_render_texture) return;
+	glad_wglBindTexImageARB = (PFNWGLBINDTEXIMAGEARBPROC)load("wglBindTexImageARB");
+	glad_wglReleaseTexImageARB = (PFNWGLRELEASETEXIMAGEARBPROC)load("wglReleaseTexImageARB");
+	glad_wglSetPbufferAttribARB = (PFNWGLSETPBUFFERATTRIBARBPROC)load("wglSetPbufferAttribARB");
+}
+static void load_WGL_EXT_display_color_table(GLADloadproc load) {
+	if(!GLAD_WGL_EXT_display_color_table) return;
+	glad_wglCreateDisplayColorTableEXT = (PFNWGLCREATEDISPLAYCOLORTABLEEXTPROC)load("wglCreateDisplayColorTableEXT");
+	glad_wglLoadDisplayColorTableEXT = (PFNWGLLOADDISPLAYCOLORTABLEEXTPROC)load("wglLoadDisplayColorTableEXT");
+	glad_wglBindDisplayColorTableEXT = (PFNWGLBINDDISPLAYCOLORTABLEEXTPROC)load("wglBindDisplayColorTableEXT");
+	glad_wglDestroyDisplayColorTableEXT = (PFNWGLDESTROYDISPLAYCOLORTABLEEXTPROC)load("wglDestroyDisplayColorTableEXT");
+}
+static void load_WGL_EXT_extensions_string(GLADloadproc load) {
+	if(!GLAD_WGL_EXT_extensions_string) return;
+	glad_wglGetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)load("wglGetExtensionsStringEXT");
+}
+static void load_WGL_EXT_make_current_read(GLADloadproc load) {
+	if(!GLAD_WGL_EXT_make_current_read) return;
+	glad_wglMakeContextCurrentEXT = (PFNWGLMAKECONTEXTCURRENTEXTPROC)load("wglMakeContextCurrentEXT");
+	glad_wglGetCurrentReadDCEXT = (PFNWGLGETCURRENTREADDCEXTPROC)load("wglGetCurrentReadDCEXT");
+}
+static void load_WGL_EXT_pbuffer(GLADloadproc load) {
+	if(!GLAD_WGL_EXT_pbuffer) return;
+	glad_wglCreatePbufferEXT = (PFNWGLCREATEPBUFFEREXTPROC)load("wglCreatePbufferEXT");
+	glad_wglGetPbufferDCEXT = (PFNWGLGETPBUFFERDCEXTPROC)load("wglGetPbufferDCEXT");
+	glad_wglReleasePbufferDCEXT = (PFNWGLRELEASEPBUFFERDCEXTPROC)load("wglReleasePbufferDCEXT");
+	glad_wglDestroyPbufferEXT = (PFNWGLDESTROYPBUFFEREXTPROC)load("wglDestroyPbufferEXT");
+	glad_wglQueryPbufferEXT = (PFNWGLQUERYPBUFFEREXTPROC)load("wglQueryPbufferEXT");
+}
+static void load_WGL_EXT_pixel_format(GLADloadproc load) {
+	if(!GLAD_WGL_EXT_pixel_format) return;
+	glad_wglGetPixelFormatAttribivEXT = (PFNWGLGETPIXELFORMATATTRIBIVEXTPROC)load("wglGetPixelFormatAttribivEXT");
+	glad_wglGetPixelFormatAttribfvEXT = (PFNWGLGETPIXELFORMATATTRIBFVEXTPROC)load("wglGetPixelFormatAttribfvEXT");
+	glad_wglChoosePixelFormatEXT = (PFNWGLCHOOSEPIXELFORMATEXTPROC)load("wglChoosePixelFormatEXT");
+}
+static void load_WGL_EXT_swap_control(GLADloadproc load) {
+	if(!GLAD_WGL_EXT_swap_control) return;
+	glad_wglSwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)load("wglSwapIntervalEXT");
+	glad_wglGetSwapIntervalEXT = (PFNWGLGETSWAPINTERVALEXTPROC)load("wglGetSwapIntervalEXT");
+}
+static void load_WGL_I3D_digital_video_control(GLADloadproc load) {
+	if(!GLAD_WGL_I3D_digital_video_control) return;
+	glad_wglGetDigitalVideoParametersI3D = (PFNWGLGETDIGITALVIDEOPARAMETERSI3DPROC)load("wglGetDigitalVideoParametersI3D");
+	glad_wglSetDigitalVideoParametersI3D = (PFNWGLSETDIGITALVIDEOPARAMETERSI3DPROC)load("wglSetDigitalVideoParametersI3D");
+}
+static void load_WGL_I3D_gamma(GLADloadproc load) {
+	if(!GLAD_WGL_I3D_gamma) return;
+	glad_wglGetGammaTableParametersI3D = (PFNWGLGETGAMMATABLEPARAMETERSI3DPROC)load("wglGetGammaTableParametersI3D");
+	glad_wglSetGammaTableParametersI3D = (PFNWGLSETGAMMATABLEPARAMETERSI3DPROC)load("wglSetGammaTableParametersI3D");
+	glad_wglGetGammaTableI3D = (PFNWGLGETGAMMATABLEI3DPROC)load("wglGetGammaTableI3D");
+	glad_wglSetGammaTableI3D = (PFNWGLSETGAMMATABLEI3DPROC)load("wglSetGammaTableI3D");
+}
+static void load_WGL_I3D_genlock(GLADloadproc load) {
+	if(!GLAD_WGL_I3D_genlock) return;
+	glad_wglEnableGenlockI3D = (PFNWGLENABLEGENLOCKI3DPROC)load("wglEnableGenlockI3D");
+	glad_wglDisableGenlockI3D = (PFNWGLDISABLEGENLOCKI3DPROC)load("wglDisableGenlockI3D");
+	glad_wglIsEnabledGenlockI3D = (PFNWGLISENABLEDGENLOCKI3DPROC)load("wglIsEnabledGenlockI3D");
+	glad_wglGenlockSourceI3D = (PFNWGLGENLOCKSOURCEI3DPROC)load("wglGenlockSourceI3D");
+	glad_wglGetGenlockSourceI3D = (PFNWGLGETGENLOCKSOURCEI3DPROC)load("wglGetGenlockSourceI3D");
+	glad_wglGenlockSourceEdgeI3D = (PFNWGLGENLOCKSOURCEEDGEI3DPROC)load("wglGenlockSourceEdgeI3D");
+	glad_wglGetGenlockSourceEdgeI3D = (PFNWGLGETGENLOCKSOURCEEDGEI3DPROC)load("wglGetGenlockSourceEdgeI3D");
+	glad_wglGenlockSampleRateI3D = (PFNWGLGENLOCKSAMPLERATEI3DPROC)load("wglGenlockSampleRateI3D");
+	glad_wglGetGenlockSampleRateI3D = (PFNWGLGETGENLOCKSAMPLERATEI3DPROC)load("wglGetGenlockSampleRateI3D");
+	glad_wglGenlockSourceDelayI3D = (PFNWGLGENLOCKSOURCEDELAYI3DPROC)load("wglGenlockSourceDelayI3D");
+	glad_wglGetGenlockSourceDelayI3D = (PFNWGLGETGENLOCKSOURCEDELAYI3DPROC)load("wglGetGenlockSourceDelayI3D");
+	glad_wglQueryGenlockMaxSourceDelayI3D = (PFNWGLQUERYGENLOCKMAXSOURCEDELAYI3DPROC)load("wglQueryGenlockMaxSourceDelayI3D");
+}
+static void load_WGL_I3D_image_buffer(GLADloadproc load) {
+	if(!GLAD_WGL_I3D_image_buffer) return;
+	glad_wglCreateImageBufferI3D = (PFNWGLCREATEIMAGEBUFFERI3DPROC)load("wglCreateImageBufferI3D");
+	glad_wglDestroyImageBufferI3D = (PFNWGLDESTROYIMAGEBUFFERI3DPROC)load("wglDestroyImageBufferI3D");
+	glad_wglAssociateImageBufferEventsI3D = (PFNWGLASSOCIATEIMAGEBUFFEREVENTSI3DPROC)load("wglAssociateImageBufferEventsI3D");
+	glad_wglReleaseImageBufferEventsI3D = (PFNWGLRELEASEIMAGEBUFFEREVENTSI3DPROC)load("wglReleaseImageBufferEventsI3D");
+}
+static void load_WGL_I3D_swap_frame_lock(GLADloadproc load) {
+	if(!GLAD_WGL_I3D_swap_frame_lock) return;
+	glad_wglEnableFrameLockI3D = (PFNWGLENABLEFRAMELOCKI3DPROC)load("wglEnableFrameLockI3D");
+	glad_wglDisableFrameLockI3D = (PFNWGLDISABLEFRAMELOCKI3DPROC)load("wglDisableFrameLockI3D");
+	glad_wglIsEnabledFrameLockI3D = (PFNWGLISENABLEDFRAMELOCKI3DPROC)load("wglIsEnabledFrameLockI3D");
+	glad_wglQueryFrameLockMasterI3D = (PFNWGLQUERYFRAMELOCKMASTERI3DPROC)load("wglQueryFrameLockMasterI3D");
+}
+static void load_WGL_I3D_swap_frame_usage(GLADloadproc load) {
+	if(!GLAD_WGL_I3D_swap_frame_usage) return;
+	glad_wglGetFrameUsageI3D = (PFNWGLGETFRAMEUSAGEI3DPROC)load("wglGetFrameUsageI3D");
+	glad_wglBeginFrameTrackingI3D = (PFNWGLBEGINFRAMETRACKINGI3DPROC)load("wglBeginFrameTrackingI3D");
+	glad_wglEndFrameTrackingI3D = (PFNWGLENDFRAMETRACKINGI3DPROC)load("wglEndFrameTrackingI3D");
+	glad_wglQueryFrameTrackingI3D = (PFNWGLQUERYFRAMETRACKINGI3DPROC)load("wglQueryFrameTrackingI3D");
+}
+static void load_WGL_NV_DX_interop(GLADloadproc load) {
+	if(!GLAD_WGL_NV_DX_interop) return;
+	glad_wglDXSetResourceShareHandleNV = (PFNWGLDXSETRESOURCESHAREHANDLENVPROC)load("wglDXSetResourceShareHandleNV");
+	glad_wglDXOpenDeviceNV = (PFNWGLDXOPENDEVICENVPROC)load("wglDXOpenDeviceNV");
+	glad_wglDXCloseDeviceNV = (PFNWGLDXCLOSEDEVICENVPROC)load("wglDXCloseDeviceNV");
+	glad_wglDXRegisterObjectNV = (PFNWGLDXREGISTEROBJECTNVPROC)load("wglDXRegisterObjectNV");
+	glad_wglDXUnregisterObjectNV = (PFNWGLDXUNREGISTEROBJECTNVPROC)load("wglDXUnregisterObjectNV");
+	glad_wglDXObjectAccessNV = (PFNWGLDXOBJECTACCESSNVPROC)load("wglDXObjectAccessNV");
+	glad_wglDXLockObjectsNV = (PFNWGLDXLOCKOBJECTSNVPROC)load("wglDXLockObjectsNV");
+	glad_wglDXUnlockObjectsNV = (PFNWGLDXUNLOCKOBJECTSNVPROC)load("wglDXUnlockObjectsNV");
+}
+static void load_WGL_NV_copy_image(GLADloadproc load) {
+	if(!GLAD_WGL_NV_copy_image) return;
+	glad_wglCopyImageSubDataNV = (PFNWGLCOPYIMAGESUBDATANVPROC)load("wglCopyImageSubDataNV");
+}
+static void load_WGL_NV_delay_before_swap(GLADloadproc load) {
+	if(!GLAD_WGL_NV_delay_before_swap) return;
+	glad_wglDelayBeforeSwapNV = (PFNWGLDELAYBEFORESWAPNVPROC)load("wglDelayBeforeSwapNV");
+}
+static void load_WGL_NV_gpu_affinity(GLADloadproc load) {
+	if(!GLAD_WGL_NV_gpu_affinity) return;
+	glad_wglEnumGpusNV = (PFNWGLENUMGPUSNVPROC)load("wglEnumGpusNV");
+	glad_wglEnumGpuDevicesNV = (PFNWGLENUMGPUDEVICESNVPROC)load("wglEnumGpuDevicesNV");
+	glad_wglCreateAffinityDCNV = (PFNWGLCREATEAFFINITYDCNVPROC)load("wglCreateAffinityDCNV");
+	glad_wglEnumGpusFromAffinityDCNV = (PFNWGLENUMGPUSFROMAFFINITYDCNVPROC)load("wglEnumGpusFromAffinityDCNV");
+	glad_wglDeleteDCNV = (PFNWGLDELETEDCNVPROC)load("wglDeleteDCNV");
+}
+static void load_WGL_NV_present_video(GLADloadproc load) {
+	if(!GLAD_WGL_NV_present_video) return;
+	glad_wglEnumerateVideoDevicesNV = (PFNWGLENUMERATEVIDEODEVICESNVPROC)load("wglEnumerateVideoDevicesNV");
+	glad_wglBindVideoDeviceNV = (PFNWGLBINDVIDEODEVICENVPROC)load("wglBindVideoDeviceNV");
+	glad_wglQueryCurrentContextNV = (PFNWGLQUERYCURRENTCONTEXTNVPROC)load("wglQueryCurrentContextNV");
+}
+static void load_WGL_NV_swap_group(GLADloadproc load) {
+	if(!GLAD_WGL_NV_swap_group) return;
+	glad_wglJoinSwapGroupNV = (PFNWGLJOINSWAPGROUPNVPROC)load("wglJoinSwapGroupNV");
+	glad_wglBindSwapBarrierNV = (PFNWGLBINDSWAPBARRIERNVPROC)load("wglBindSwapBarrierNV");
+	glad_wglQuerySwapGroupNV = (PFNWGLQUERYSWAPGROUPNVPROC)load("wglQuerySwapGroupNV");
+	glad_wglQueryMaxSwapGroupsNV = (PFNWGLQUERYMAXSWAPGROUPSNVPROC)load("wglQueryMaxSwapGroupsNV");
+	glad_wglQueryFrameCountNV = (PFNWGLQUERYFRAMECOUNTNVPROC)load("wglQueryFrameCountNV");
+	glad_wglResetFrameCountNV = (PFNWGLRESETFRAMECOUNTNVPROC)load("wglResetFrameCountNV");
+}
+static void load_WGL_NV_vertex_array_range(GLADloadproc load) {
+	if(!GLAD_WGL_NV_vertex_array_range) return;
+	glad_wglAllocateMemoryNV = (PFNWGLALLOCATEMEMORYNVPROC)load("wglAllocateMemoryNV");
+	glad_wglFreeMemoryNV = (PFNWGLFREEMEMORYNVPROC)load("wglFreeMemoryNV");
+}
+static void load_WGL_NV_video_capture(GLADloadproc load) {
+	if(!GLAD_WGL_NV_video_capture) return;
+	glad_wglBindVideoCaptureDeviceNV = (PFNWGLBINDVIDEOCAPTUREDEVICENVPROC)load("wglBindVideoCaptureDeviceNV");
+	glad_wglEnumerateVideoCaptureDevicesNV = (PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC)load("wglEnumerateVideoCaptureDevicesNV");
+	glad_wglLockVideoCaptureDeviceNV = (PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC)load("wglLockVideoCaptureDeviceNV");
+	glad_wglQueryVideoCaptureDeviceNV = (PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC)load("wglQueryVideoCaptureDeviceNV");
+	glad_wglReleaseVideoCaptureDeviceNV = (PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC)load("wglReleaseVideoCaptureDeviceNV");
+}
+static void load_WGL_NV_video_output(GLADloadproc load) {
+	if(!GLAD_WGL_NV_video_output) return;
+	glad_wglGetVideoDeviceNV = (PFNWGLGETVIDEODEVICENVPROC)load("wglGetVideoDeviceNV");
+	glad_wglReleaseVideoDeviceNV = (PFNWGLRELEASEVIDEODEVICENVPROC)load("wglReleaseVideoDeviceNV");
+	glad_wglBindVideoImageNV = (PFNWGLBINDVIDEOIMAGENVPROC)load("wglBindVideoImageNV");
+	glad_wglReleaseVideoImageNV = (PFNWGLRELEASEVIDEOIMAGENVPROC)load("wglReleaseVideoImageNV");
+	glad_wglSendPbufferToVideoNV = (PFNWGLSENDPBUFFERTOVIDEONVPROC)load("wglSendPbufferToVideoNV");
+	glad_wglGetVideoInfoNV = (PFNWGLGETVIDEOINFONVPROC)load("wglGetVideoInfoNV");
+}
+static void load_WGL_OML_sync_control(GLADloadproc load) {
+	if(!GLAD_WGL_OML_sync_control) return;
+	glad_wglGetSyncValuesOML = (PFNWGLGETSYNCVALUESOMLPROC)load("wglGetSyncValuesOML");
+	glad_wglGetMscRateOML = (PFNWGLGETMSCRATEOMLPROC)load("wglGetMscRateOML");
+	glad_wglSwapBuffersMscOML = (PFNWGLSWAPBUFFERSMSCOMLPROC)load("wglSwapBuffersMscOML");
+	glad_wglSwapLayerBuffersMscOML = (PFNWGLSWAPLAYERBUFFERSMSCOMLPROC)load("wglSwapLayerBuffersMscOML");
+	glad_wglWaitForMscOML = (PFNWGLWAITFORMSCOMLPROC)load("wglWaitForMscOML");
+	glad_wglWaitForSbcOML = (PFNWGLWAITFORSBCOMLPROC)load("wglWaitForSbcOML");
+}
+static int find_extensionsWGL(void) {
+	if (!get_exts()) return 0;
+	GLAD_WGL_3DFX_multisample = has_ext("WGL_3DFX_multisample");
+	GLAD_WGL_3DL_stereo_control = has_ext("WGL_3DL_stereo_control");
+	GLAD_WGL_AMD_gpu_association = has_ext("WGL_AMD_gpu_association");
+	GLAD_WGL_ARB_buffer_region = has_ext("WGL_ARB_buffer_region");
+	GLAD_WGL_ARB_context_flush_control = has_ext("WGL_ARB_context_flush_control");
+	GLAD_WGL_ARB_create_context = has_ext("WGL_ARB_create_context");
+	GLAD_WGL_ARB_create_context_no_error = has_ext("WGL_ARB_create_context_no_error");
+	GLAD_WGL_ARB_create_context_profile = has_ext("WGL_ARB_create_context_profile");
+	GLAD_WGL_ARB_create_context_robustness = has_ext("WGL_ARB_create_context_robustness");
+	GLAD_WGL_ARB_extensions_string = has_ext("WGL_ARB_extensions_string");
+	GLAD_WGL_ARB_framebuffer_sRGB = has_ext("WGL_ARB_framebuffer_sRGB");
+	GLAD_WGL_ARB_make_current_read = has_ext("WGL_ARB_make_current_read");
+	GLAD_WGL_ARB_multisample = has_ext("WGL_ARB_multisample");
+	GLAD_WGL_ARB_pbuffer = has_ext("WGL_ARB_pbuffer");
+	GLAD_WGL_ARB_pixel_format = has_ext("WGL_ARB_pixel_format");
+	GLAD_WGL_ARB_pixel_format_float = has_ext("WGL_ARB_pixel_format_float");
+	GLAD_WGL_ARB_render_texture = has_ext("WGL_ARB_render_texture");
+	GLAD_WGL_ARB_robustness_application_isolation = has_ext("WGL_ARB_robustness_application_isolation");
+	GLAD_WGL_ARB_robustness_share_group_isolation = has_ext("WGL_ARB_robustness_share_group_isolation");
+	GLAD_WGL_ATI_pixel_format_float = has_ext("WGL_ATI_pixel_format_float");
+	GLAD_WGL_ATI_render_texture_rectangle = has_ext("WGL_ATI_render_texture_rectangle");
+	GLAD_WGL_EXT_colorspace = has_ext("WGL_EXT_colorspace");
+	GLAD_WGL_EXT_create_context_es2_profile = has_ext("WGL_EXT_create_context_es2_profile");
+	GLAD_WGL_EXT_create_context_es_profile = has_ext("WGL_EXT_create_context_es_profile");
+	GLAD_WGL_EXT_depth_float = has_ext("WGL_EXT_depth_float");
+	GLAD_WGL_EXT_display_color_table = has_ext("WGL_EXT_display_color_table");
+	GLAD_WGL_EXT_extensions_string = has_ext("WGL_EXT_extensions_string");
+	GLAD_WGL_EXT_framebuffer_sRGB = has_ext("WGL_EXT_framebuffer_sRGB");
+	GLAD_WGL_EXT_make_current_read = has_ext("WGL_EXT_make_current_read");
+	GLAD_WGL_EXT_multisample = has_ext("WGL_EXT_multisample");
+	GLAD_WGL_EXT_pbuffer = has_ext("WGL_EXT_pbuffer");
+	GLAD_WGL_EXT_pixel_format = has_ext("WGL_EXT_pixel_format");
+	GLAD_WGL_EXT_pixel_format_packed_float = has_ext("WGL_EXT_pixel_format_packed_float");
+	GLAD_WGL_EXT_swap_control = has_ext("WGL_EXT_swap_control");
+	GLAD_WGL_EXT_swap_control_tear = has_ext("WGL_EXT_swap_control_tear");
+	GLAD_WGL_I3D_digital_video_control = has_ext("WGL_I3D_digital_video_control");
+	GLAD_WGL_I3D_gamma = has_ext("WGL_I3D_gamma");
+	GLAD_WGL_I3D_genlock = has_ext("WGL_I3D_genlock");
+	GLAD_WGL_I3D_image_buffer = has_ext("WGL_I3D_image_buffer");
+	GLAD_WGL_I3D_swap_frame_lock = has_ext("WGL_I3D_swap_frame_lock");
+	GLAD_WGL_I3D_swap_frame_usage = has_ext("WGL_I3D_swap_frame_usage");
+	GLAD_WGL_NV_DX_interop = has_ext("WGL_NV_DX_interop");
+	GLAD_WGL_NV_DX_interop2 = has_ext("WGL_NV_DX_interop2");
+	GLAD_WGL_NV_copy_image = has_ext("WGL_NV_copy_image");
+	GLAD_WGL_NV_delay_before_swap = has_ext("WGL_NV_delay_before_swap");
+	GLAD_WGL_NV_float_buffer = has_ext("WGL_NV_float_buffer");
+	GLAD_WGL_NV_gpu_affinity = has_ext("WGL_NV_gpu_affinity");
+	GLAD_WGL_NV_multigpu_context = has_ext("WGL_NV_multigpu_context");
+	GLAD_WGL_NV_multisample_coverage = has_ext("WGL_NV_multisample_coverage");
+	GLAD_WGL_NV_present_video = has_ext("WGL_NV_present_video");
+	GLAD_WGL_NV_render_depth_texture = has_ext("WGL_NV_render_depth_texture");
+	GLAD_WGL_NV_render_texture_rectangle = has_ext("WGL_NV_render_texture_rectangle");
+	GLAD_WGL_NV_swap_group = has_ext("WGL_NV_swap_group");
+	GLAD_WGL_NV_vertex_array_range = has_ext("WGL_NV_vertex_array_range");
+	GLAD_WGL_NV_video_capture = has_ext("WGL_NV_video_capture");
+	GLAD_WGL_NV_video_output = has_ext("WGL_NV_video_output");
+	GLAD_WGL_OML_sync_control = has_ext("WGL_OML_sync_control");
+	free_exts();
+	return 1;
+}
+
+static void find_coreWGL(HDC hdc) {
+	GLADWGLhdc = hdc;
+}
+
+int gladLoadWGLLoader(GLADloadproc load, HDC hdc) {
+	wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)load("wglGetExtensionsStringARB");
+	wglGetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)load("wglGetExtensionsStringEXT");
+	if(wglGetExtensionsStringARB == NULL && wglGetExtensionsStringEXT == NULL) return 0;
+	find_coreWGL(hdc);
+
+	if (!find_extensionsWGL()) return 0;
+	load_WGL_3DL_stereo_control(load);
+	load_WGL_AMD_gpu_association(load);
+	load_WGL_ARB_buffer_region(load);
+	load_WGL_ARB_create_context(load);
+	load_WGL_ARB_extensions_string(load);
+	load_WGL_ARB_make_current_read(load);
+	load_WGL_ARB_pbuffer(load);
+	load_WGL_ARB_pixel_format(load);
+	load_WGL_ARB_render_texture(load);
+	load_WGL_EXT_display_color_table(load);
+	load_WGL_EXT_extensions_string(load);
+	load_WGL_EXT_make_current_read(load);
+	load_WGL_EXT_pbuffer(load);
+	load_WGL_EXT_pixel_format(load);
+	load_WGL_EXT_swap_control(load);
+	load_WGL_I3D_digital_video_control(load);
+	load_WGL_I3D_gamma(load);
+	load_WGL_I3D_genlock(load);
+	load_WGL_I3D_image_buffer(load);
+	load_WGL_I3D_swap_frame_lock(load);
+	load_WGL_I3D_swap_frame_usage(load);
+	load_WGL_NV_DX_interop(load);
+	load_WGL_NV_copy_image(load);
+	load_WGL_NV_delay_before_swap(load);
+	load_WGL_NV_gpu_affinity(load);
+	load_WGL_NV_present_video(load);
+	load_WGL_NV_swap_group(load);
+	load_WGL_NV_vertex_array_range(load);
+	load_WGL_NV_video_capture(load);
+	load_WGL_NV_video_output(load);
+	load_WGL_OML_sync_control(load);
+	return 1;
+}
+