1 files changed, 40 insertions, 3 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
index aad75f200..8312b2c7a 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h
@@ -109,6 +109,33 @@ struct SurfaceParams {
         Invalid = 4,
     };
 
+    enum class SurfaceTarget {
+        Texture1D,
+        Texture2D,
+        Texture3D,
+        Texture1DArray,
+        Texture2DArray,
+        TextureCubemap,
+    };
+
+    static SurfaceTarget SurfaceTargetFromTextureType(Tegra::Texture::TextureType texture_type) {
+        switch (texture_type) {
+        case Tegra::Texture::TextureType::Texture1D:
+            return SurfaceTarget::Texture1D;
+        case Tegra::Texture::TextureType::Texture2D:
+        case Tegra::Texture::TextureType::Texture2DNoMipmap:
+            return SurfaceTarget::Texture2D;
+        case Tegra::Texture::TextureType::Texture1DArray:
+            return SurfaceTarget::Texture1DArray;
+        case Tegra::Texture::TextureType::Texture2DArray:
+            return SurfaceTarget::Texture2DArray;
+        default:
+            LOG_CRITICAL(HW_GPU, "Unimplemented texture_type={}", static_cast<u32>(texture_type));
+            UNREACHABLE();
+            return SurfaceTarget::Texture2D;
+        }
+    }
+
     /**
      * Gets the compression factor for the specified PixelFormat. This applies to just the
      * "compressed width" and "compressed height", not the overall compression factor of a
@@ -635,7 +662,7 @@ struct SurfaceParams {
         ASSERT(width % compression_factor == 0);
         ASSERT(height % compression_factor == 0);
         return (width / compression_factor) * (height / compression_factor) *
-               GetFormatBpp(pixel_format) / CHAR_BIT;
+               GetFormatBpp(pixel_format) * depth / CHAR_BIT;
     }
 
     /// Creates SurfaceParams from a texture configuration
@@ -664,8 +691,10 @@ struct SurfaceParams {
     SurfaceType type;
     u32 width;
     u32 height;
+    u32 depth;
     u32 unaligned_height;
     size_t size_in_bytes;
+    SurfaceTarget target;
 
     // Parameters used for caching only
     u32 cache_width;
@@ -709,6 +738,10 @@ public:
         return texture;
     }
 
+    GLenum Target() const {
+        return gl_target;
+    }
+
     static constexpr unsigned int GetGLBytesPerPixel(SurfaceParams::PixelFormat format) {
         if (format == SurfaceParams::PixelFormat::Invalid)
             return 0;
@@ -724,14 +757,14 @@ public:
     void LoadGLBuffer();
     void FlushGLBuffer();
 
-    // Upload/Download data in gl_buffer in/to this surface's texture
+    // Upload data in gl_buffer to this surface's texture
     void UploadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle);
-    void DownloadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle);
 
 private:
     OGLTexture texture;
     std::vector<u8> gl_buffer;
     SurfaceParams params;
+    GLenum gl_target;
 };
 
 class RasterizerCacheOpenGL final : public RasterizerCache<Surface> {
@@ -774,6 +807,10 @@ private:
 
     OGLFramebuffer read_framebuffer;
     OGLFramebuffer draw_framebuffer;
+
+    /// Use a Pixel Buffer Object to download the previous texture and then upload it to the new one
+    /// using the new format.
+    OGLBuffer copy_pbo;
 };
 
 } // namespace OpenGL