3 files changed, 54 insertions, 27 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 1f58f8791..2fdcbe4ba 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -217,7 +217,7 @@ private:
     TextureCache texture_cache;
     BufferCacheRuntime buffer_cache_runtime;
     BufferCache buffer_cache;
-    ShaderCacheOpenGL shader_cache;
+    ShaderCache shader_cache;
     QueryCache query_cache;
     AccelerateDMA accelerate_dma;
     FenceManagerOpenGL fence_manager;
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index 4dd166156..c3e490b40 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -29,18 +29,13 @@
 
 namespace OpenGL {
 
-Shader::Shader() = default;
-
-Shader::~Shader() = default;
-
-ShaderCacheOpenGL::ShaderCacheOpenGL(RasterizerOpenGL& rasterizer_,
-                                     Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu_,
-                                     Tegra::Engines::Maxwell3D& maxwell3d_,
-                                     Tegra::Engines::KeplerCompute& kepler_compute_,
-                                     Tegra::MemoryManager& gpu_memory_, const Device& device_)
-    : ShaderCache{rasterizer_}, emu_window{emu_window_}, gpu{gpu_}, gpu_memory{gpu_memory_},
-      maxwell3d{maxwell3d_}, kepler_compute{kepler_compute_}, device{device_} {}
-
-ShaderCacheOpenGL::~ShaderCacheOpenGL() = default;
+ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindow& emu_window_,
+                         Tegra::GPU& gpu_, Tegra::Engines::Maxwell3D& maxwell3d_,
+                         Tegra::Engines::KeplerCompute& kepler_compute_,
+                         Tegra::MemoryManager& gpu_memory_, const Device& device_)
+    : VideoCommon::ShaderCache{rasterizer_, gpu_memory_, maxwell3d_, kepler_compute_},
+      emu_window{emu_window_}, gpu{gpu_}, device{device_} {}
+
+ShaderCache::~ShaderCache() = default;
 
 } // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.h b/src/video_core/renderer_opengl/gl_shader_cache.h
index ad3d15a76..96520e17c 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.h
+++ b/src/video_core/renderer_opengl/gl_shader_cache.h
@@ -36,27 +36,59 @@ class RasterizerOpenGL;
 
 using Maxwell = Tegra::Engines::Maxwell3D::Regs;
 
-class Shader {
+struct GraphicsProgramKey {
+    struct TransformFeedbackState {
+        struct Layout {
+            u32 stream;
+            u32 varying_count;
+            u32 stride;
+        };
+        std::array<Layout, Maxwell::NumTransformFeedbackBuffers> layouts;
+        std::array<std::array<u8, 128>, Maxwell::NumTransformFeedbackBuffers> varyings;
+    };
+
+    std::array<u64, 6> unique_hashes;
+    std::array<u8, Maxwell::NumRenderTargets> color_formats;
+    union {
+        u32 raw;
+        BitField<0, 1, u32> xfb_enabled;
+        BitField<1, 1, u32> early_z;
+        BitField<2, 4, Maxwell::PrimitiveTopology> gs_input_topology;
+        BitField<6, 2, u32> tessellation_primitive;
+        BitField<8, 2, u32> tessellation_spacing;
+        BitField<10, 1, u32> tessellation_clockwise;
+    };
+    u32 padding;
+    TransformFeedbackState xfb_state;
+
+    [[nodiscard]] size_t Size() const noexcept {
+        if (xfb_enabled != 0) {
+            return sizeof(GraphicsProgramKey);
+        } else {
+            return offsetof(GraphicsProgramKey, padding);
+        }
+    }
+};
+static_assert(std::has_unique_object_representations_v<GraphicsProgramKey>);
+static_assert(std::is_trivially_copyable_v<GraphicsProgramKey>);
+static_assert(std::is_trivially_constructible_v<GraphicsProgramKey>);
+
+class GraphicsProgram {
 public:
-    explicit Shader();
-    ~Shader();
+private:
 };
 
-class ShaderCacheOpenGL final : public VideoCommon::ShaderCache<Shader> {
+class ShaderCache : public VideoCommon::ShaderCache {
 public:
-    explicit ShaderCacheOpenGL(RasterizerOpenGL& rasterizer_,
-                               Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu,
-                               Tegra::Engines::Maxwell3D& maxwell3d_,
-                               Tegra::Engines::KeplerCompute& kepler_compute_,
-                               Tegra::MemoryManager& gpu_memory_, const Device& device_);
-    ~ShaderCacheOpenGL() override;
+    explicit ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindow& emu_window_,
+                         Tegra::GPU& gpu_, Tegra::Engines::Maxwell3D& maxwell3d_,
+                         Tegra::Engines::KeplerCompute& kepler_compute_,
+                         Tegra::MemoryManager& gpu_memory_, const Device& device_);
+    ~ShaderCache();
 
 private:
     Core::Frontend::EmuWindow& emu_window;
     Tegra::GPU& gpu;
-    Tegra::MemoryManager& gpu_memory;
-    Tegra::Engines::Maxwell3D& maxwell3d;
-    Tegra::Engines::KeplerCompute& kepler_compute;
     const Device& device;
 };