diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_rasterizer_cache.h')
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer_cache.h | 85 |
1 files changed, 78 insertions, 7 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.h b/src/video_core/renderer_opengl/gl_rasterizer_cache.h index 6a49880c2..e72f4f2d2 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer_cache.h +++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.h @@ -834,7 +834,7 @@ struct SurfaceParams { } /// Returns the rectangle corresponding to this surface - MathUtil::Rectangle<u32> GetRect() const; + MathUtil::Rectangle<u32> GetRect(u32 mip_level = 0) const; /// Returns the total size of this surface in bytes, adjusted for compression std::size_t SizeInBytesRaw(bool ignore_tiled = false) const { @@ -865,7 +865,7 @@ struct SurfaceParams { /// Returns the exact size of memory occupied by the texture in VRAM, including mipmaps. std::size_t MemorySize() const { - std::size_t size = InnerMemorySize(is_layered); + std::size_t size = InnerMemorySize(false, is_layered); if (is_layered) return size * depth; return size; @@ -874,12 +874,78 @@ struct SurfaceParams { /// Returns the exact size of the memory occupied by a layer in a texture in VRAM, including /// mipmaps. std::size_t LayerMemorySize() const { - return InnerMemorySize(true); + return InnerMemorySize(false, true); } /// Returns the size of a layer of this surface in OpenGL. - std::size_t LayerSizeGL() const { - return SizeInBytesRaw(true) / depth; + std::size_t LayerSizeGL(u32 mip_level) const { + return InnerMipmapMemorySize(mip_level, true, is_layered, false); + } + + std::size_t GetMipmapSizeGL(u32 mip_level, bool ignore_compressed = true) const { + std::size_t size = InnerMipmapMemorySize(mip_level, true, is_layered, ignore_compressed); + if (is_layered) + return size * depth; + return size; + } + + std::size_t GetMipmapLevelOffset(u32 mip_level) const { + std::size_t offset = 0; + for (u32 i = 0; i < mip_level; i++) + offset += InnerMipmapMemorySize(i, false, is_layered); + return offset; + } + + std::size_t GetMipmapLevelOffsetGL(u32 mip_level) const { + std::size_t offset = 0; + for (u32 i = 0; i < mip_level; i++) + offset += InnerMipmapMemorySize(i, true, is_layered); + return offset; + } + + u32 MipWidth(u32 mip_level) const { + return std::max(1U, width >> mip_level); + } + + u32 MipHeight(u32 mip_level) const { + return std::max(1U, height >> mip_level); + } + + u32 MipDepth(u32 mip_level) const { + return std::max(1U, depth >> mip_level); + } + + // Auto block resizing algorithm from: + // https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/nv50/nv50_miptree.c + u32 MipBlockHeight(u32 mip_level) const { + if (mip_level == 0) + return block_height; + u32 alt_height = MipHeight(mip_level); + u32 h = GetDefaultBlockHeight(pixel_format); + u32 blocks_in_y = (alt_height + h - 1) / h; + u32 bh = 16; + while (bh > 1 && blocks_in_y <= bh * 4) { + bh >>= 1; + } + return bh; + } + + u32 MipBlockDepth(u32 mip_level) const { + if (mip_level == 0) + return block_depth; + if (is_layered) + return 1; + u32 depth = MipDepth(mip_level); + u32 bd = 32; + while (bd > 1 && depth * 2 <= bd) { + bd >>= 1; + } + if (bd == 32) { + u32 bh = MipBlockHeight(mip_level); + if (bh >= 4) + return 16; + } + return bd; } /// Creates SurfaceParams from a texture configuration @@ -940,7 +1006,10 @@ struct SurfaceParams { } rt; private: - std::size_t InnerMemorySize(bool layer_only = false) const; + std::size_t InnerMipmapMemorySize(u32 mip_level, bool force_gl = false, bool layer_only = false, + bool uncompressed = false) const; + std::size_t InnerMemorySize(bool force_gl = false, bool layer_only = false, + bool uncompressed = false) const; }; }; // namespace OpenGL @@ -1002,8 +1071,10 @@ public: void UploadGLTexture(GLuint read_fb_handle, GLuint draw_fb_handle); private: + void UploadGLMipmapTexture(u32 mip_map, GLuint read_fb_handle, GLuint draw_fb_handle); + OGLTexture texture; - std::vector<u8> gl_buffer; + std::vector<std::vector<u8>> gl_buffer; SurfaceParams params; GLenum gl_target; std::size_t cached_size_in_bytes; |