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Diffstat (limited to '')
-rw-r--r-- | src/video_core/textures/decoders.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index 995d0e068..217805386 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -288,6 +288,29 @@ void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 } } +void SwizzleKepler(const u32 width, const u32 height, const u32 dst_x, const u32 dst_y, + const u32 block_height, const std::size_t copy_size, const u8* source_data, + u8* swizzle_data) { + const u32 image_width_in_gobs{(width + gob_size_x - 1) / gob_size_x}; + std::size_t count = 0; + for (std::size_t y = dst_y; y < height && count < copy_size; ++y) { + const std::size_t gob_address_y = + (y / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs + + ((y % (gob_size_y * block_height)) / gob_size_y) * gob_size; + const auto& table = legacy_swizzle_table[y % gob_size_y]; + for (std::size_t x = dst_x; x < width && count < copy_size; ++x) { + const std::size_t gob_address = + gob_address_y + (x / gob_size_x) * gob_size * block_height; + const std::size_t swizzled_offset = gob_address + table[x % gob_size_x]; + const u8* source_line = source_data + count; + u8* dest_addr = swizzle_data + swizzled_offset; + count++; + + std::memcpy(dest_addr, source_line, 1); + } + } +} + std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat format, u32 width, u32 height) { std::vector<u8> rgba_data; |