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rasterizer_cache: mark reinterpreted surfaces and add ability to reload marked surfaces on next use.
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@ -1007,6 +1007,8 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool pres
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if (surface) {
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if (surface->GetSurfaceParams().IsCompatibleSurface(params)) {
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// Use the cached surface as-is
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if (surface->MustReload())
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LoadSurface(surface);
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return surface;
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} else if (preserve_contents) {
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// If surface parameters changed and we care about keeping the previous data, recreate
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@ -1014,6 +1016,9 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params, bool pres
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Surface new_surface{RecreateSurface(surface, params)};
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Unregister(surface);
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Register(new_surface);
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if (new_surface->IsUploaded()) {
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RegisterReinterpretSurface(new_surface);
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}
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return new_surface;
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} else {
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// Delete the old surface before creating a new one to prevent collisions.
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@ -347,6 +347,10 @@ public:
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return cached_size_in_bytes;
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}
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std::size_t GetMemorySize() const {
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return memory_size;
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}
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void Flush() override {
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FlushGLBuffer();
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}
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@ -396,6 +400,26 @@ public:
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Tegra::Texture::SwizzleSource swizzle_z,
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Tegra::Texture::SwizzleSource swizzle_w);
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void MarkReinterpreted() {
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reinterpreted = true;
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}
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bool IsReinterpreted() {
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return reinterpreted;
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}
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void MarkForReload(bool reload) {
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must_reload = reload;
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}
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bool MustReload() {
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return must_reload;
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}
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bool IsUploaded() {
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return params.identity == SurfaceParams::SurfaceClass::Uploaded;
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}
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private:
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void UploadGLMipmapTexture(u32 mip_map, GLuint read_fb_handle, GLuint draw_fb_handle);
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@ -409,6 +433,9 @@ private:
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GLenum gl_internal_format{};
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std::size_t cached_size_in_bytes{};
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std::array<GLenum, 4> swizzle{GL_RED, GL_GREEN, GL_BLUE, GL_ALPHA};
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std::size_t memory_size;
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bool reinterpreted = false;
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bool must_reload = false;
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};
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class RasterizerCacheOpenGL final : public RasterizerCache<Surface> {
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@ -469,6 +496,9 @@ private:
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OGLFramebuffer read_framebuffer;
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OGLFramebuffer draw_framebuffer;
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bool run_texception_pass = false;
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bool texception = false;
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/// Use a Pixel Buffer Object to download the previous texture and then upload it to the new one
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/// using the new format.
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OGLBuffer copy_pbo;
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@ -476,6 +506,49 @@ private:
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std::array<Surface, Maxwell::NumRenderTargets> last_color_buffers;
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std::array<Surface, Maxwell::NumRenderTargets> current_color_buffers;
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Surface last_depth_buffer;
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using SurfaceIntervalCache = boost::icl::interval_map<VAddr, Surface>;
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using SurfaceInterval = typename IntervalCache::interval_type;
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static auto GetReinterpretInterval(const Surface& object) {
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return SurfaceInterval::right_open(object->GetAddr() + 1,
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object->GetAddr() + object->GetMemorySize() - 1);
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}
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// Reinterpreted surfaces are very fragil as the game may keep rendering into them.
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SurfaceIntervalCache reinterpreted_surfaces;
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void RegisterReinterpretSurface(Surface r_surface) {
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auto interval = GetReinterpretInterval(r_surface);
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reinterpreted_surfaces.insert({interval, r_surface});
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r_surface->MarkReinterpreted();
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run_texception_pass = true;
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}
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Surface CollideOnReinterpretedSurface(VAddr addr) const {
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const SurfaceInterval interval{addr};
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for (auto& pair :
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boost::make_iterator_range(reinterpreted_surfaces.equal_range(interval))) {
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return pair.second;
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}
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return nullptr;
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}
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protected:
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void Register(const Surface& object) {
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RasterizerCache<Surface>::Register(object);
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}
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/// Unregisters an object from the cache
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void Unregister(const Surface& object) {
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const auto& params = object->GetSurfaceParams();
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if (object->IsReinterpreted()) {
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auto interval = GetReinterpretInterval(object);
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reinterpreted_surfaces.erase(interval);
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}
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RasterizerCache<Surface>::Unregister(object);
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}
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};
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} // namespace OpenGL
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