gl_rasterizer_cache: Use GPUVAddr as cache key, not parameter set.

src/video_core/renderer_opengl/gl_rasterizer.cpp

@@ -413,11 +413,13 @@ void RasterizerOpenGL::Clear() {
     glClear(clear_mask);
 
     // Mark framebuffer surfaces as dirty
-    if (dirty_color_surface != nullptr) {
-        res_cache.MarkSurfaceAsDirty(dirty_color_surface);
-    }
-    if (dirty_depth_surface != nullptr) {
-        res_cache.MarkSurfaceAsDirty(dirty_depth_surface);
+    if (Settings::values.use_accurate_framebuffers) {
+        if (dirty_color_surface != nullptr) {
+            res_cache.FlushSurface(dirty_color_surface);
+        }
+        if (dirty_depth_surface != nullptr) {
+            res_cache.FlushSurface(dirty_depth_surface);
+        }
     }
 }
 
@@ -520,11 +522,13 @@ void RasterizerOpenGL::DrawArrays() {
     state.Apply();
 
     // Mark framebuffer surfaces as dirty
-    if (dirty_color_surface != nullptr) {
-        res_cache.MarkSurfaceAsDirty(dirty_color_surface);
-    }
-    if (dirty_depth_surface != nullptr) {
-        res_cache.MarkSurfaceAsDirty(dirty_depth_surface);
+    if (Settings::values.use_accurate_framebuffers) {
+        if (dirty_color_surface != nullptr) {
+            res_cache.FlushSurface(dirty_color_surface);
+        }
+        if (dirty_depth_surface != nullptr) {
+            res_cache.FlushSurface(dirty_depth_surface);
+        }
     }
 }
 

src/video_core/renderer_opengl/gl_rasterizer_cache.cpp

@@ -565,17 +565,9 @@ void RasterizerCacheOpenGL::LoadSurface(const Surface& surface) {
     surface->UploadGLTexture(read_framebuffer.handle, draw_framebuffer.handle);
 }
 
-void RasterizerCacheOpenGL::MarkSurfaceAsDirty(const Surface& surface) {
-    if (Settings::values.use_accurate_framebuffers) {
-        // If enabled, always flush dirty surfaces
-        surface->DownloadGLTexture(read_framebuffer.handle, draw_framebuffer.handle);
-        surface->FlushGLBuffer();
-    } else {
-        // Otherwise, don't mark surfaces that we write to as cached, because the resulting loads
-        // and flushes are very slow and do not seem to improve accuracy
-        const auto& params{surface->GetSurfaceParams()};
-        Memory::RasterizerMarkRegionCached(params.addr, params.size_in_bytes, false);
-    }
+void RasterizerCacheOpenGL::FlushSurface(const Surface& surface) {
+    surface->DownloadGLTexture(read_framebuffer.handle, draw_framebuffer.handle);
+    surface->FlushGLBuffer();
 }
 
 Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params) {
@@ -589,21 +581,22 @@ Surface RasterizerCacheOpenGL::GetSurface(const SurfaceParams& params) {
         return {};
 
     // Check for an exact match in existing surfaces
-    const auto& surface_key{SurfaceKey::Create(params)};
-    const auto& search{surface_cache.find(surface_key)};
+    const auto& search{surface_cache.find(params.addr)};
     Surface surface;
     if (search != surface_cache.end()) {
         surface = search->second;
-        if (Settings::values.use_accurate_framebuffers) {
-            // Reload the surface from Switch memory
-            LoadSurface(surface);
+        if (surface->GetSurfaceParams() != params || Settings::values.use_accurate_framebuffers) {
+            FlushSurface(surface);
+            UnregisterSurface(surface);
+        } else {
+            return surface;
         }
-    } else {
-        surface = std::make_shared<CachedSurface>(params);
-        RegisterSurface(surface);
-        LoadSurface(surface);
     }
 
+    surface = std::make_shared<CachedSurface>(params);
+    RegisterSurface(surface);
+    LoadSurface(surface);
+
     return surface;
 }
 
@@ -652,22 +645,20 @@ void RasterizerCacheOpenGL::InvalidateRegion(Tegra::GPUVAddr addr, size_t size)
 
 void RasterizerCacheOpenGL::RegisterSurface(const Surface& surface) {
     const auto& params{surface->GetSurfaceParams()};
-    const auto& surface_key{SurfaceKey::Create(params)};
-    const auto& search{surface_cache.find(surface_key)};
+    const auto& search{surface_cache.find(params.addr)};
 
     if (search != surface_cache.end()) {
         // Registered already
         return;
     }
 
-    surface_cache[surface_key] = surface;
+    surface_cache[params.addr] = surface;
     UpdatePagesCachedCount(params.addr, params.size_in_bytes, 1);
 }
 
 void RasterizerCacheOpenGL::UnregisterSurface(const Surface& surface) {
     const auto& params{surface->GetSurfaceParams()};
-    const auto& surface_key{SurfaceKey::Create(params)};
-    const auto& search{surface_cache.find(surface_key)};
+    const auto& search{surface_cache.find(params.addr)};
 
     if (search == surface_cache.end()) {
         // Unregistered already

src/video_core/renderer_opengl/gl_rasterizer_cache.h

@@ -10,7 +10,6 @@
 #include <vector>
 #include <boost/icl/interval_map.hpp>
 #include "common/common_types.h"
-#include "common/hash.h"
 #include "common/math_util.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/renderer_opengl/gl_resource_manager.h"
@@ -137,6 +136,7 @@ struct SurfaceParams {
         ASSERT(static_cast<size_t>(format) < bpp_table.size());
         return bpp_table[static_cast<size_t>(format)];
     }
+
     u32 GetFormatBpp() const {
         return GetFormatBpp(pixel_format);
     }
@@ -369,6 +369,18 @@ struct SurfaceParams {
                                               Tegra::GPUVAddr zeta_address,
                                               Tegra::DepthFormat format);
 
+    bool operator==(const SurfaceParams& other) const {
+        return std::tie(addr, is_tiled, block_height, pixel_format, component_type, type, width,
+                        height, unaligned_height, size_in_bytes) ==
+               std::tie(other.addr, other.is_tiled, other.block_height, other.pixel_format,
+                        other.component_type, other.type, other.width, other.height,
+                        other.unaligned_height, other.size_in_bytes);
+    }
+
+    bool operator!=(const SurfaceParams& other) const {
+        return !operator==(other);
+    }
+
     Tegra::GPUVAddr addr;
     bool is_tiled;
     u32 block_height;
@@ -381,24 +393,6 @@ struct SurfaceParams {
     size_t size_in_bytes;
 };
 
-/// Hashable variation of SurfaceParams, used for a key in the surface cache
-struct SurfaceKey : Common::HashableStruct<SurfaceParams> {
-    static SurfaceKey Create(const SurfaceParams& params) {
-        SurfaceKey res;
-        res.state = params;
-        return res;
-    }
-};
-
-namespace std {
-template <>
-struct hash<SurfaceKey> {
-    size_t operator()(const SurfaceKey& k) const {
-        return k.Hash();
-    }
-};
-} // namespace std
-
 class CachedSurface final {
 public:
     CachedSurface(const SurfaceParams& params);
@@ -444,8 +438,8 @@ public:
     SurfaceSurfaceRect_Tuple GetFramebufferSurfaces(bool using_color_fb, bool using_depth_fb,
                                                     const MathUtil::Rectangle<s32>& viewport);
 
-    /// Marks the specified surface as "dirty", in that it is out of sync with Switch memory
-    void MarkSurfaceAsDirty(const Surface& surface);
+    /// Flushes the surface to Switch memory
+    void FlushSurface(const Surface& surface);
 
     /// Tries to find a framebuffer GPU address based on the provided CPU address
     Surface TryFindFramebufferSurface(VAddr cpu_addr) const;
@@ -469,7 +463,7 @@ private:
     /// Increase/decrease the number of surface in pages touching the specified region
     void UpdatePagesCachedCount(Tegra::GPUVAddr addr, u64 size, int delta);
 
-    std::unordered_map<SurfaceKey, Surface> surface_cache;
+    std::unordered_map<Tegra::GPUVAddr, Surface> surface_cache;
     PageMap cached_pages;
 
     OGLFramebuffer read_framebuffer;