metal: initial support

third_party/metal-cpp/QuartzCore/CAPrivate.hpp

@@ -0,0 +1,132 @@
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+//
+// QuartzCore/CAPrivate.hpp
+//
+// Copyright 2020-2023 Apple Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#pragma once
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#include "CADefines.hpp"
+
+#include <objc/runtime.h>
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#define _CA_PRIVATE_CLS(symbol) (Private::Class::s_k##symbol)
+#define _CA_PRIVATE_SEL(accessor) (Private::Selector::s_k##accessor)
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#if defined(CA_PRIVATE_IMPLEMENTATION)
+
+#ifdef METALCPP_SYMBOL_VISIBILITY_HIDDEN
+#define _CA_PRIVATE_VISIBILITY __attribute__((visibility("hidden")))
+#else
+#define _CA_PRIVATE_VISIBILITY __attribute__((visibility("default")))
+#endif // METALCPP_SYMBOL_VISIBILITY_HIDDEN
+
+#define _CA_PRIVATE_IMPORT __attribute__((weak_import))
+
+#ifdef __OBJC__
+#define _CA_PRIVATE_OBJC_LOOKUP_CLASS(symbol) ((__bridge void*)objc_lookUpClass(#symbol))
+#define _CA_PRIVATE_OBJC_GET_PROTOCOL(symbol) ((__bridge void*)objc_getProtocol(#symbol))
+#else
+#define _CA_PRIVATE_OBJC_LOOKUP_CLASS(symbol) objc_lookUpClass(#symbol)
+#define _CA_PRIVATE_OBJC_GET_PROTOCOL(symbol) objc_getProtocol(#symbol)
+#endif // __OBJC__
+
+#define _CA_PRIVATE_DEF_CLS(symbol) void* s_k##symbol _CA_PRIVATE_VISIBILITY = _CA_PRIVATE_OBJC_LOOKUP_CLASS(symbol)
+#define _CA_PRIVATE_DEF_PRO(symbol) void* s_k##symbol _CA_PRIVATE_VISIBILITY = _CA_PRIVATE_OBJC_GET_PROTOCOL(symbol)
+#define _CA_PRIVATE_DEF_SEL(accessor, symbol) SEL s_k##accessor _CA_PRIVATE_VISIBILITY = sel_registerName(symbol)
+#define _CA_PRIVATE_DEF_STR(type, symbol)                \
+    _CA_EXTERN type const CA##symbol _CA_PRIVATE_IMPORT; \
+    type const                       CA::symbol = (nullptr != &CA##symbol) ? CA##symbol : nullptr
+
+#else
+
+#define _CA_PRIVATE_DEF_CLS(symbol) extern void* s_k##symbol
+#define _CA_PRIVATE_DEF_PRO(symbol) extern void* s_k##symbol
+#define _CA_PRIVATE_DEF_SEL(accessor, symbol) extern SEL s_k##accessor
+#define _CA_PRIVATE_DEF_STR(type, symbol) extern type const CA::symbol
+
+#endif // CA_PRIVATE_IMPLEMENTATION
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+namespace CA
+{
+namespace Private
+{
+    namespace Class
+    {
+        _CA_PRIVATE_DEF_CLS(CAMetalLayer);
+    } // Class
+} // Private
+} // CA
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+namespace CA
+{
+namespace Private
+{
+    namespace Protocol
+    {
+
+        _CA_PRIVATE_DEF_PRO(CAMetalDrawable);
+
+    } // Protocol
+} // Private
+} // CA
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+namespace CA
+{
+namespace Private
+{
+    namespace Selector
+    {
+        _CA_PRIVATE_DEF_SEL(device,
+            "device");
+        _CA_PRIVATE_DEF_SEL(drawableSize,
+            "drawableSize");
+        _CA_PRIVATE_DEF_SEL(framebufferOnly,
+            "framebufferOnly");
+        _CA_PRIVATE_DEF_SEL(layer,
+            "layer");
+        _CA_PRIVATE_DEF_SEL(nextDrawable,
+            "nextDrawable");
+        _CA_PRIVATE_DEF_SEL(pixelFormat,
+            "pixelFormat");
+        _CA_PRIVATE_DEF_SEL(setDevice_,
+            "setDevice:");
+        _CA_PRIVATE_DEF_SEL(setDrawableSize_,
+            "setDrawableSize:");
+        _CA_PRIVATE_DEF_SEL(setFramebufferOnly_,
+            "setFramebufferOnly:");
+        _CA_PRIVATE_DEF_SEL(setPixelFormat_,
+            "setPixelFormat:");
+        _CA_PRIVATE_DEF_SEL(texture,
+            "texture");
+    } // Class
+} // Private
+} // CA
+
+//-------------------------------------------------------------------------------------------------------------------------------------------------------------