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gpu: Implement basic texcopy

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* Improves rendering in FE:A but the screens will still not show
  because it requires surface validation
This commit is contained in:
GPUCode 2023-08-06 14:25:32 +03:00
parent 297afd20d7
commit 82d9511993
15 changed files with 139 additions and 16 deletions

3
include/renderer_gl/renderer_gl.hpp
View file

@ -77,9 +77,10 @@ class RendererGL final : public Renderer {
void initGraphicsContext(SDL_Window* window) override; // Initialize graphics context
void clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 control) override; // Clear a GPU buffer in VRAM
void displayTransfer(u32 inputAddr, u32 outputAddr, u32 inputSize, u32 outputSize, u32 flags) override; // Perform display transfer
void textureCopy(u32 inputAddr, u32 outputAddr, u32 totalBytes, u32 inputSize, u32 outputSize, u32 flags) override;
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);
std::optional<ColourBuffer> getColourBuffer(u32 addr, PICA::ColorFmt format, u32 width, u32 height, bool createIfnotFound = true);
// Take a screenshot of the screen and store it in a file
void screenshot(const std::string& name) override;

10
include/renderer_gl/surface_cache.hpp
View file

@ -76,6 +76,16 @@ public:
size++;
// Find an existing surface we completely invalidate and overwrite it with the new surface
for (auto& e : buffer) {
if (e.valid && e.range.lower() >= surface.range.lower() && e.range.upper() <= surface.range.upper()) {
e.free();
e = surface;
e.allocate();
return e;
}
}
// Find an invalid entry in the cache and overwrite it with the new surface
for (auto& e : buffer) {
if (!e.valid) {

3
include/renderer_gl/surfaces.hpp
View file

@ -65,7 +65,8 @@ struct ColourBuffer {
texture.setMagFilter(OpenGL::Linear);
glBindTexture(GL_TEXTURE_2D, prevTexture);
//Helpers::panic("Creating FBO: %d, %d\n", size.x(), size.y());
const auto name = Helpers::format("Surface %dx%d %s from 0x%08X", size.x(), size.y(), PICA::textureFormatToString(format), location);
OpenGL::setObjectLabel(GL_TEXTURE, texture.handle(), name.c_str());
fbo.createWithDrawTexture(texture);
fbo.bind(OpenGL::DrawAndReadFramebuffer);