diff options
Diffstat (limited to 'src/video_core/textures')
-rw-r--r-- | src/video_core/textures/decoders.cpp | 191 | ||||
-rw-r--r-- | src/video_core/textures/decoders.h | 15 | ||||
-rw-r--r-- | src/video_core/textures/texture.h | 1 |
3 files changed, 140 insertions, 67 deletions
diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index 0d2456b56..0fe91622e 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -40,72 +40,146 @@ struct alignas(64) SwizzleTable { constexpr auto legacy_swizzle_table = SwizzleTable<8, 64, 1>(); constexpr auto fast_swizzle_table = SwizzleTable<8, 4, 16>(); -static void LegacySwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel, - u8* swizzled_data, u8* unswizzled_data, bool unswizzle, - u32 block_height) { +/** + * This function manages ALL the GOBs(Group of Bytes) Inside a single block. + * Instead of going gob by gob, we map the coordinates inside a block and manage from + * those. Block_Width is assumed to be 1. + */ +void PreciseProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle, + const u32 x_start, const u32 y_start, const u32 z_start, const u32 x_end, + const u32 y_end, const u32 z_end, const u32 tile_offset, + const u32 xy_block_size, const u32 layer_z, const u32 stride_x, + const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) { std::array<u8*, 2> data_ptrs; - const std::size_t stride = width * bytes_per_pixel; - 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}; - for (std::size_t y = 0; y < height; ++y) { - const std::size_t gob_y_address = - (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 auto& table = legacy_swizzle_table[y % gobs_in_y]; - for (std::size_t x = 0; x < width; ++x) { - const std::size_t gob_address = - gob_y_address + (x * bytes_per_pixel / gobs_in_x) * gobs_size * block_height; - const std::size_t x2 = x * bytes_per_pixel; - const std::size_t swizzle_offset = gob_address + table[x2 % gobs_in_x]; - const std::size_t pixel_index = (x + y * width) * out_bytes_per_pixel; - - data_ptrs[unswizzle] = swizzled_data + swizzle_offset; - data_ptrs[!unswizzle] = unswizzled_data + pixel_index; - - std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel); + u32 z_address = tile_offset; + const u32 gob_size_x = 64; + const u32 gob_size_y = 8; + const u32 gob_size_z = 1; + const u32 gob_size = gob_size_x * gob_size_y * gob_size_z; + for (u32 z = z_start; z < z_end; z++) { + u32 y_address = z_address; + u32 pixel_base = layer_z * z + y_start * stride_x; + for (u32 y = y_start; y < y_end; y++) { + const auto& table = legacy_swizzle_table[y % gob_size_y]; + for (u32 x = x_start; x < x_end; x++) { + const u32 swizzle_offset{y_address + table[x * bytes_per_pixel % gob_size_x]}; + const u32 pixel_index{x * out_bytes_per_pixel + pixel_base}; + data_ptrs[unswizzle] = swizzled_data + swizzle_offset; + data_ptrs[!unswizzle] = unswizzled_data + pixel_index; + std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel); + } + pixel_base += stride_x; + if ((y + 1) % gob_size_y == 0) + y_address += gob_size; } + z_address += xy_block_size; } } -static void FastSwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel, - u8* swizzled_data, u8* unswizzled_data, bool unswizzle, - u32 block_height) { +/** + * This function manages ALL the GOBs(Group of Bytes) Inside a single block. + * Instead of going gob by gob, we map the coordinates inside a block and manage from + * those. Block_Width is assumed to be 1. + */ +void FastProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle, + const u32 x_start, const u32 y_start, const u32 z_start, const u32 x_end, + const u32 y_end, const u32 z_end, const u32 tile_offset, + const u32 xy_block_size, const u32 layer_z, const u32 stride_x, + const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) { std::array<u8*, 2> data_ptrs; - const std::size_t stride{width * bytes_per_pixel}; - 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 / (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 * out_bytes_per_pixel}; - const auto& table = fast_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 / gobs_in_x) * gobs_size * block_height}; - const std::size_t swizzle_offset{gob_address + table[(xb / 16) % 4]}; - const std::size_t out_x = xb * out_bytes_per_pixel / bytes_per_pixel; - const std::size_t pixel_index{out_x + 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); + u32 z_address = tile_offset; + const u32 x_startb = x_start * bytes_per_pixel; + const u32 x_endb = x_end * bytes_per_pixel; + const u32 copy_size = 16; + const u32 gob_size_x = 64; + const u32 gob_size_y = 8; + const u32 gob_size_z = 1; + const u32 gob_size = gob_size_x * gob_size_y * gob_size_z; + for (u32 z = z_start; z < z_end; z++) { + u32 y_address = z_address; + u32 pixel_base = layer_z * z + y_start * stride_x; + for (u32 y = y_start; y < y_end; y++) { + const auto& table = fast_swizzle_table[y % gob_size_y]; + for (u32 xb = x_startb; xb < x_endb; xb += copy_size) { + const u32 swizzle_offset{y_address + table[(xb / copy_size) % 4]}; + const u32 out_x = xb * out_bytes_per_pixel / bytes_per_pixel; + const u32 pixel_index{out_x + 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); + } + pixel_base += stride_x; + if ((y + 1) % gob_size_y == 0) + y_address += gob_size; + } + z_address += xy_block_size; + } +} + +/** + * This function unswizzles or swizzles a texture by mapping Linear to BlockLinear Textue. + * The body of this function takes care of splitting the swizzled texture into blocks, + * and managing the extents of it. Once all the parameters of a single block are obtained, + * the function calls 'ProcessBlock' to process that particular Block. + * + * Documentation for the memory layout and decoding can be found at: + * https://envytools.readthedocs.io/en/latest/hw/memory/g80-surface.html#blocklinear-surfaces + */ +template <bool fast> +void SwizzledData(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle, const u32 width, + const u32 height, const u32 depth, const u32 bytes_per_pixel, + const u32 out_bytes_per_pixel, const u32 block_height, const u32 block_depth) { + auto div_ceil = [](const u32 x, const u32 y) { return ((x + y - 1) / y); }; + const u32 stride_x = width * out_bytes_per_pixel; + const u32 layer_z = height * stride_x; + const u32 gob_x_bytes = 64; + const u32 gob_elements_x = gob_x_bytes / bytes_per_pixel; + const u32 gob_elements_y = 8; + const u32 gob_elements_z = 1; + const u32 block_x_elements = gob_elements_x; + const u32 block_y_elements = gob_elements_y * block_height; + const u32 block_z_elements = gob_elements_z * block_depth; + const u32 blocks_on_x = div_ceil(width, block_x_elements); + const u32 blocks_on_y = div_ceil(height, block_y_elements); + const u32 blocks_on_z = div_ceil(depth, block_z_elements); + const u32 blocks = blocks_on_x * blocks_on_y * blocks_on_z; + const u32 gob_size = gob_x_bytes * gob_elements_y * gob_elements_z; + const u32 xy_block_size = gob_size * block_height; + const u32 block_size = xy_block_size * block_depth; + u32 tile_offset = 0; + for (u32 zb = 0; zb < blocks_on_z; zb++) { + const u32 z_start = zb * block_z_elements; + const u32 z_end = std::min(depth, z_start + block_z_elements); + for (u32 yb = 0; yb < blocks_on_y; yb++) { + const u32 y_start = yb * block_y_elements; + const u32 y_end = std::min(height, y_start + block_y_elements); + for (u32 xb = 0; xb < blocks_on_x; xb++) { + const u32 x_start = xb * block_x_elements; + const u32 x_end = std::min(width, x_start + block_x_elements); + if (fast) { + FastProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start, + z_start, x_end, y_end, z_end, tile_offset, xy_block_size, + layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel); + } else { + PreciseProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start, + z_start, x_end, y_end, z_end, tile_offset, xy_block_size, + layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel); + } + tile_offset += block_size; + } } } } -void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel, - u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 block_height) { +void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel, + u32 out_bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, + bool unswizzle, u32 block_height, u32 block_depth) { if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % 16 == 0) { - FastSwizzleData(width, height, bytes_per_pixel, out_bytes_per_pixel, swizzled_data, - unswizzled_data, unswizzle, block_height); + SwizzledData<true>(swizzled_data, unswizzled_data, unswizzle, width, height, depth, + bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth); } else { - LegacySwizzleData(width, height, bytes_per_pixel, out_bytes_per_pixel, swizzled_data, - unswizzled_data, unswizzle, block_height); + SwizzledData<false>(swizzled_data, unswizzled_data, unswizzle, width, height, depth, + bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth); } } @@ -153,10 +227,11 @@ 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); - CopySwizzledData(width / tile_size, height / tile_size, bytes_per_pixel, bytes_per_pixel, - Memory::GetPointer(address), unswizzled_data.data(), true, block_height); + u32 height, u32 depth, u32 block_height, u32 block_depth) { + std::vector<u8> unswizzled_data(width * height * depth * bytes_per_pixel); + CopySwizzledData(width / tile_size, height / tile_size, depth, bytes_per_pixel, bytes_per_pixel, + Memory::GetPointer(address), unswizzled_data.data(), true, block_height, + block_depth); return unswizzled_data; } diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h index 234d250af..aaf316947 100644 --- a/src/video_core/textures/decoders.h +++ b/src/video_core/textures/decoders.h @@ -14,17 +14,14 @@ namespace Tegra::Texture { * Unswizzles a swizzled texture without changing its format. */ std::vector<u8> UnswizzleTexture(VAddr address, u32 tile_size, u32 bytes_per_pixel, u32 width, - u32 height, u32 block_height = TICEntry::DefaultBlockHeight); - -/** - * Unswizzles a swizzled depth texture without changing its format. - */ -std::vector<u8> UnswizzleDepthTexture(VAddr address, DepthFormat format, u32 width, u32 height, - u32 block_height = TICEntry::DefaultBlockHeight); + u32 height, u32 depth, + u32 block_height = TICEntry::DefaultBlockHeight, + u32 block_depth = TICEntry::DefaultBlockHeight); /// Copies texture data from a buffer and performs swizzling/unswizzling as necessary. -void CopySwizzledData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel, - u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 block_height); +void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel, + u32 out_bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, + bool unswizzle, u32 block_height, u32 block_depth); /** * Decodes an unswizzled texture into a A8R8G8B8 texture. diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h index 58d17abcb..5947bd2b9 100644 --- a/src/video_core/textures/texture.h +++ b/src/video_core/textures/texture.h @@ -141,6 +141,7 @@ static_assert(sizeof(TextureHandle) == 4, "TextureHandle has wrong size"); struct TICEntry { static constexpr u32 DefaultBlockHeight = 16; + static constexpr u32 DefaultBlockDepth = 1; union { u32 raw; |