diff options
Diffstat (limited to 'src/video_core/textures/decoders.cpp')
| -rw-r--r-- | src/video_core/textures/decoders.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index 20ba6d4f6..225c999dc 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -46,6 +46,7 @@ void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_ } } +//This table represents the internal swizzle of a gob. template <std::size_t N, std::size_t M> struct alignas(64) SwizzleTable { constexpr SwizzleTable() { @@ -69,21 +70,25 @@ void FastSwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u8* swizzled_da u8* unswizzled_data, bool unswizzle, u32 block_height) { std::array<u8*, 2> data_ptrs; const std::size_t stride{width * bytes_per_pixel}; - const std::size_t image_width_in_gobs{(stride + 63) / 64}; + const std::size_t gobs_in_x = 64; + const std::size_t gobs_in_y = 8; + const std::size_t gobs_size = gobs_in_x*gobs_in_y; + const std::size_t image_width_in_gobs{(stride + gobs_in_x - 1) / gobs_in_x}; const std::size_t copy_size{16}; for (std::size_t y = 0; y < height; ++y) { const std::size_t initial_gob = - (y / (8 * block_height)) * 512 * block_height * image_width_in_gobs + - (y % (8 * block_height) / 8) * 512; + (y / (gobs_in_y * block_height)) * gobs_size * block_height * image_width_in_gobs + + (y % (gobs_in_y * block_height) / gobs_in_y) * gobs_size; const std::size_t pixel_base{y * width * bytes_per_pixel}; - const auto& table = swizzle_table[y % 8]; + const auto& table = swizzle_table[y % gobs_in_y]; for (std::size_t xb = 0; xb < stride; xb += copy_size) { - const std::size_t gob_address{initial_gob + (xb / 64) * 512 * block_height}; + const std::size_t truncated_copy = std::min(copy_size, stride - xb); + const std::size_t gob_address{initial_gob + (xb / gobs_in_x) * gobs_size * block_height}; const std::size_t swizzle_offset{gob_address + table[(xb / 16) % 4]}; const std::size_t pixel_index{xb + pixel_base}; data_ptrs[unswizzle] = swizzled_data + swizzle_offset; data_ptrs[!unswizzle] = unswizzled_data + pixel_index; - std::memcpy(data_ptrs[0], data_ptrs[1], copy_size); + std::memcpy(data_ptrs[0], data_ptrs[1], truncated_copy); } } } @@ -134,7 +139,7 @@ u32 BytesPerPixel(TextureFormat format) { std::vector<u8> UnswizzleTexture(VAddr address, u32 tile_size, u32 bytes_per_pixel, u32 width, u32 height, u32 block_height) { std::vector<u8> unswizzled_data(width * height * bytes_per_pixel); - if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % 16 == 0) { + if (bytes_per_pixel % 3 != 0) { FastSwizzleData(width / tile_size, height / tile_size, bytes_per_pixel, Memory::GetPointer(address), unswizzled_data.data(), true, block_height); } else { |