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synced 2024-08-24 04:37:19 +02:00
gl_rasterizer_cache: Detect and ignore unnecessary texture flushes.
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@ -231,8 +231,8 @@ void RasterizerOpenGL::DrawTriangles() {
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u32 cur_fb_depth_size = Pica::Regs::BytesPerDepthPixel(regs.framebuffer.depth_format)
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* regs.framebuffer.GetWidth() * regs.framebuffer.GetHeight();
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res_cache.NotifyFlush(cur_fb_color_addr, cur_fb_color_size);
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res_cache.NotifyFlush(cur_fb_depth_addr, cur_fb_depth_size);
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res_cache.NotifyFlush(cur_fb_color_addr, cur_fb_color_size, true);
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res_cache.NotifyFlush(cur_fb_depth_addr, cur_fb_depth_size, true);
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}
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void RasterizerOpenGL::CommitFramebuffer() {
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@ -2,6 +2,7 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/hash.h"
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#include "common/make_unique.h"
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#include "common/math_util.h"
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#include "common/microprofile.h"
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@ -21,7 +22,6 @@ MICROPROFILE_DEFINE(OpenGL_TextureUpload, "OpenGL", "Texture Upload", MP_RGB(128
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void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::Regs::FullTextureConfig& config) {
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PAddr texture_addr = config.config.GetPhysicalAddress();
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const auto cached_texture = texture_cache.find(texture_addr);
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if (cached_texture != texture_cache.end()) {
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@ -51,12 +51,14 @@ void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned text
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}
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const auto info = Pica::DebugUtils::TextureInfo::FromPicaRegister(config.config, config.format);
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u8* texture_src_data = Memory::GetPhysicalPointer(texture_addr);
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new_texture->width = info.width;
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new_texture->height = info.height;
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new_texture->size = info.width * info.height * Pica::Regs::NibblesPerPixel(info.format);
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new_texture->size = info.stride * info.height;
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new_texture->addr = texture_addr;
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new_texture->hash = Common::ComputeHash64(texture_src_data, new_texture->size);
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u8* texture_src_data = Memory::GetPhysicalPointer(texture_addr);
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std::unique_ptr<Math::Vec4<u8>[]> temp_texture_buffer_rgba(new Math::Vec4<u8>[info.width * info.height]);
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for (int y = 0; y < info.height; ++y) {
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@ -71,12 +73,18 @@ void RasterizerCacheOpenGL::LoadAndBindTexture(OpenGLState &state, unsigned text
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}
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}
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void RasterizerCacheOpenGL::NotifyFlush(PAddr addr, u32 size) {
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void RasterizerCacheOpenGL::NotifyFlush(PAddr addr, u32 size, bool ignore_hash) {
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// Flush any texture that falls in the flushed region
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// TODO: Optimize by also inserting upper bound (addr + size) of each texture into the same map and also narrow using lower_bound
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auto cache_upper_bound = texture_cache.upper_bound(addr + size);
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for (auto it = texture_cache.begin(); it != cache_upper_bound;) {
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if (MathUtil::IntervalsIntersect(addr, size, it->first, it->second->size)) {
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const auto& info = *it->second;
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// Flush the texture only if the memory region intersects and a change is detected
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if (MathUtil::IntervalsIntersect(addr, size, info.addr, info.size) &&
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(ignore_hash || info.hash != Common::ComputeHash64(Memory::GetPhysicalPointer(info.addr), info.size))) {
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it = texture_cache.erase(it);
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} else {
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++it;
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@ -19,7 +19,7 @@ public:
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void LoadAndBindTexture(OpenGLState &state, unsigned texture_unit, const Pica::Regs::FullTextureConfig& config);
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/// Flush any cached resource that touches the flushed region
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void NotifyFlush(PAddr addr, u32 size);
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void NotifyFlush(PAddr addr, u32 size, bool ignore_hash = false);
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/// Flush all cached OpenGL resources tracked by this cache manager
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void FullFlush();
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@ -30,6 +30,8 @@ private:
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GLuint width;
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GLuint height;
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u32 size;
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u64 hash;
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PAddr addr;
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};
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std::map<PAddr, std::unique_ptr<CachedTexture>> texture_cache;
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