gl_texture_cache: Migrate BGRCopyPass from util_shaders

The BGR copies no longer use shaders.

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -473,7 +473,7 @@ void TextureCacheRuntime::EmulateCopyImage(Image& dst, Image& src,
         ASSERT(src.info.type == ImageType::e3D);
         util_shaders.CopyBC4(dst, src, copies);
     } else if (IsPixelFormatBGR(dst.info.format) || IsPixelFormatBGR(src.info.format)) {
-        util_shaders.CopyBGR(dst, src, copies);
+        bgr_copy_pass.CopyBGR(dst, src, copies);
     } else {
         UNREACHABLE();
     }
@@ -1112,4 +1112,37 @@ Framebuffer::Framebuffer(TextureCacheRuntime& runtime, std::span<ImageView*, NUM
     framebuffer.handle = handle;
 }
 
+void BGRCopyPass::CopyBGR(Image& dst_image, Image& src_image,
+                          std::span<const VideoCommon::ImageCopy> copies) {
+    static constexpr VideoCommon::Offset3D zero_offset{0, 0, 0};
+    const u32 requested_pbo_size =
+        std::max(src_image.unswizzled_size_bytes, dst_image.unswizzled_size_bytes);
+
+    if (bgr_pbo_size < requested_pbo_size) {
+        bgr_pbo.Create();
+        bgr_pbo_size = requested_pbo_size;
+        glNamedBufferData(bgr_pbo.handle, bgr_pbo_size, nullptr, GL_STREAM_COPY);
+    }
+    for (const ImageCopy& copy : copies) {
+        ASSERT(copy.src_offset == zero_offset);
+        ASSERT(copy.dst_offset == zero_offset);
+
+        // Copy from source to PBO
+        glPixelStorei(GL_PACK_ALIGNMENT, 1);
+        glPixelStorei(GL_PACK_ROW_LENGTH, copy.extent.width);
+        glBindBuffer(GL_PIXEL_PACK_BUFFER, bgr_pbo.handle);
+        glGetTextureSubImage(src_image.Handle(), 0, 0, 0, 0, copy.extent.width, copy.extent.height,
+                             copy.src_subresource.num_layers, src_image.GlFormat(),
+                             src_image.GlType(), static_cast<GLsizei>(bgr_pbo_size), nullptr);
+
+        // Copy from PBO to destination in desired GL format
+        glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+        glPixelStorei(GL_UNPACK_ROW_LENGTH, copy.extent.width);
+        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, bgr_pbo.handle);
+        glTextureSubImage3D(dst_image.Handle(), 0, 0, 0, 0, copy.extent.width, copy.extent.height,
+                            copy.dst_subresource.num_layers, dst_image.GlFormat(),
+                            dst_image.GlType(), nullptr);
+    }
+}
+
 } // namespace OpenGL

src/video_core/renderer_opengl/gl_texture_cache.h

@@ -47,6 +47,19 @@ struct FormatProperties {
     bool is_compressed;
 };
 
+class BGRCopyPass {
+public:
+    BGRCopyPass() = default;
+    ~BGRCopyPass() = default;
+
+    void CopyBGR(Image& dst_image, Image& src_image,
+                 std::span<const VideoCommon::ImageCopy> copies);
+
+private:
+    OGLBuffer bgr_pbo;
+    size_t bgr_pbo_size{};
+};
+
 class TextureCacheRuntime {
     friend Framebuffer;
     friend Image;
@@ -118,6 +131,7 @@ private:
     const Device& device;
     StateTracker& state_tracker;
     UtilShaders util_shaders;
+    BGRCopyPass bgr_copy_pass;
 
     std::array<std::unordered_map<GLenum, FormatProperties>, 3> format_properties;
     bool has_broken_texture_view_formats = false;

src/video_core/renderer_opengl/util_shaders.cpp

@@ -44,11 +44,6 @@ namespace {
 OGLProgram MakeProgram(std::string_view source) {
     return CreateProgram(source, GL_COMPUTE_SHADER);
 }
-
-size_t NumPixelsInCopy(const VideoCommon::ImageCopy& copy) {
-    return static_cast<size_t>(copy.extent.width * copy.extent.height *
-                               copy.src_subresource.num_layers);
-}
 } // Anonymous namespace
 
 UtilShaders::UtilShaders(ProgramManager& program_manager_)
@@ -255,36 +250,6 @@ void UtilShaders::CopyBC4(Image& dst_image, Image& src_image, std::span<const Im
     program_manager.RestoreGuestCompute();
 }
 
-void UtilShaders::CopyBGR(Image& dst_image, Image& src_image,
-                          std::span<const VideoCommon::ImageCopy> copies) {
-    static constexpr VideoCommon::Offset3D zero_offset{0, 0, 0};
-    for (const ImageCopy& copy : copies) {
-        ASSERT(copy.src_offset == zero_offset);
-        ASSERT(copy.dst_offset == zero_offset);
-
-        if (bgr_pbo_size < dst_image.unswizzled_size_bytes) {
-            bgr_pbo.Create();
-            bgr_pbo_size = dst_image.unswizzled_size_bytes;
-            glNamedBufferData(bgr_pbo.handle, bgr_pbo_size, nullptr, GL_STREAM_COPY);
-        }
-        // Copy from source to PBO
-        glPixelStorei(GL_PACK_ALIGNMENT, 1);
-        glPixelStorei(GL_PACK_ROW_LENGTH, copy.extent.width);
-        glBindBuffer(GL_PIXEL_PACK_BUFFER, bgr_pbo.handle);
-        glGetTextureSubImage(src_image.Handle(), 0, 0, 0, 0, copy.extent.width, copy.extent.height,
-                             copy.src_subresource.num_layers, src_image.GlFormat(),
-                             src_image.GlType(), static_cast<GLsizei>(bgr_pbo_size), nullptr);
-
-        // Copy from PBO to destination in reverse order
-        glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-        glPixelStorei(GL_UNPACK_ROW_LENGTH, copy.extent.width);
-        glBindBuffer(GL_PIXEL_UNPACK_BUFFER, bgr_pbo.handle);
-        glTextureSubImage3D(dst_image.Handle(), 0, 0, 0, 0, copy.extent.width, copy.extent.height,
-                            copy.dst_subresource.num_layers, dst_image.GlFormat(),
-                            dst_image.GlType(), nullptr);
-    }
-}
-
 GLenum StoreFormat(u32 bytes_per_block) {
     switch (bytes_per_block) {
     case 1:

src/video_core/renderer_opengl/util_shaders.h

@@ -39,9 +39,6 @@ public:
     void CopyBC4(Image& dst_image, Image& src_image,
                  std::span<const VideoCommon::ImageCopy> copies);
 
-    void CopyBGR(Image& dst_image, Image& src_image,
-                 std::span<const VideoCommon::ImageCopy> copies);
-
 private:
     ProgramManager& program_manager;
 
@@ -53,9 +50,6 @@ private:
     OGLProgram pitch_unswizzle_program;
     OGLProgram copy_bgra_program;
     OGLProgram copy_bc4_program;
-
-    OGLBuffer bgr_pbo;
-    size_t bgr_pbo_size{};
 };
 
 GLenum StoreFormat(u32 bytes_per_block);