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code: Better screen support

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GPUCode 2023-07-10 23:59:44 +03:00
parent d28796fd3f
commit f75a23b5a9
15 changed files with 305 additions and 66 deletions
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2
include/renderer_gl/gl_state.hpp
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@ -213,4 +213,4 @@ struct GLStateManager {
};
static_assert(std::is_trivially_constructible<GLStateManager>(), "OpenGL State Manager class is not trivially constructible!");
static_assert(std::is_trivially_destructible<GLStateManager>(), "OpenGL State Manager class is not trivially destructible!");
static_assert(std::is_trivially_destructible<GLStateManager>(), "OpenGL State Manager class is not trivially destructible!");

6
include/renderer_gl/renderer_gl.hpp
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@ -44,8 +44,8 @@ class RendererGL final : public Renderer {
float oldDepthOffset = 0.0;
bool oldDepthmapEnable = false;
SurfaceCache<DepthBuffer, 10, true> depthBufferCache;
SurfaceCache<ColourBuffer, 10, true> colourBufferCache;
SurfaceCache<DepthBuffer, 64, true> depthBufferCache;
SurfaceCache<ColourBuffer, 64, true> colourBufferCache;
SurfaceCache<Texture, 256, true> textureCache;
// Dummy VAO/VBO for blitting the final output
@ -78,6 +78,8 @@ class RendererGL final : public Renderer {
void displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u32 outputSize, u32 flags) override; // Perform display transfer
void drawVertices(PICA::PrimType primType, std::span<const PICA::Vertex> vertices) override; // Draw the given vertices
ColourBuffer getColourBuffer(u32 addr, PICA::ColorFmt format, u32 width, u32 height);
// Take a screenshot of the screen and store it in a file
void screenshot(const std::string& name) override;
};

28
include/renderer_gl/surfaces.hpp
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@ -19,6 +19,10 @@ struct ColourBuffer {
OpenGL::Texture texture;
OpenGL::Framebuffer fbo;
GLenum internalFormat;
GLenum fmt;
GLenum type;
ColourBuffer() : valid(false) {}
ColourBuffer(u32 loc, PICA::ColorFmt format, u32 x, u32 y, bool valid = true)
@ -29,12 +33,32 @@ struct ColourBuffer {
range = Interval<u32>(loc, (u32)endLoc);
}
void allocate() {
void allocate() {
// Internal formats for the texture based on format
static constexpr std::array<GLenum, 5> internalFormats = {
GL_RGBA8, GL_RGB8, GL_RGB5_A1, GL_RGB565, GL_RGBA4
};
// Format of the texture
static constexpr std::array<GLenum, 5> formats = {
GL_RGBA, GL_BGR, GL_RGBA, GL_RGB, GL_RGBA,
};
static constexpr std::array<GLenum, 5> types = {
GL_UNSIGNED_INT_8_8_8_8, GL_UNSIGNED_BYTE, GL_UNSIGNED_SHORT_5_5_5_1,
GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_SHORT_4_4_4_4,
};
internalFormat = internalFormats[(int)format];
fmt = formats[(int)format];
type = types[(int)format];
// Create texture for the FBO, setting up filters and the like
// Reading back the current texture is slow, but allocate calls should be few and far between.
// If this becomes a bottleneck, we can fix it semi-easily
auto prevTexture = OpenGL::getTex2D();
texture.create(size.x(), size.y(), GL_RGBA8);
texture.create(size.x(), size.y(), internalFormat);
texture.bind();
texture.setMinFilter(OpenGL::Linear);
texture.setMagFilter(OpenGL::Linear);

2
include/renderer_gl/textures.hpp
View file

@ -53,7 +53,7 @@ struct Texture {
static u32 getSwizzledOffset_4bpp(u32 u, u32 v, u32 width);
// Returns the format of this texture as a string
std::string formatToString() {
std::string_view formatToString() {
return PICA::textureFormatToString(format);
}