From 7a400e21913f928e3cc56fd1176a1472d14f806e Mon Sep 17 00:00:00 2001 From: Frederic Laing <27208977+FreddyFunk@users.noreply.github.com> Date: Sat, 17 Nov 2018 01:55:28 +0100 Subject: [PATCH] textures/decoders: Replace magic numbers --- src/video_core/textures/decoders.cpp | 70 +++++++++++++--------------- 1 file changed, 33 insertions(+), 37 deletions(-) diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp index 19f30b1b52..7040d9bf58 100644 --- a/src/video_core/textures/decoders.cpp +++ b/src/video_core/textures/decoders.cpp @@ -37,8 +37,14 @@ struct alignas(64) SwizzleTable { std::array, N> values{}; }; -constexpr auto legacy_swizzle_table = SwizzleTable<8, 64, 1>(); -constexpr auto fast_swizzle_table = SwizzleTable<8, 4, 16>(); +constexpr u32 gob_size_x = 64; +constexpr u32 gob_size_y = 8; +constexpr u32 gob_size_z = 1; +constexpr u32 gob_size = gob_size_x * gob_size_y * gob_size_z; +constexpr u32 fast_swizzle_align = 16; + +constexpr auto legacy_swizzle_table = SwizzleTable(); +constexpr auto fast_swizzle_table = SwizzleTable(); /** * This function manages ALL the GOBs(Group of Bytes) Inside a single block. @@ -52,10 +58,7 @@ void PreciseProcessBlock(u8* const swizzled_data, u8* const unswizzled_data, con const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) { std::array data_ptrs; 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; @@ -90,23 +93,19 @@ void FastProcessBlock(u8* const swizzled_data, u8* const unswizzled_data, const u32 z_address = tile_offset; const u32 x_startb = x_start * bytes_per_pixel; const u32 x_endb = x_end * bytes_per_pixel; - constexpr u32 copy_size = 16; - constexpr u32 gob_size_x = 64; - constexpr u32 gob_size_y = 8; - constexpr 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]}; + for (u32 xb = x_startb; xb < x_endb; xb += fast_swizzle_align) { + const u32 swizzle_offset{y_address + table[(xb / fast_swizzle_align) % 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); + std::memcpy(data_ptrs[0], data_ptrs[1], fast_swizzle_align); } pixel_base += stride_x; if ((y + 1) % gob_size_y == 0) @@ -132,17 +131,15 @@ void SwizzledData(u8* const swizzled_data, u8* const unswizzled_data, const bool 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; - constexpr u32 gob_x_bytes = 64; - const u32 gob_elements_x = gob_x_bytes / bytes_per_pixel; - constexpr u32 gob_elements_y = 8; - constexpr u32 gob_elements_z = 1; + const u32 gob_elements_x = gob_size_x / bytes_per_pixel; + constexpr u32 gob_elements_y = gob_size_y; + constexpr u32 gob_elements_z = gob_size_z; 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); - constexpr 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; @@ -173,7 +170,7 @@ void SwizzledData(u8* const swizzled_data, u8* const unswizzled_data, const bool void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel, u32 out_bytes_per_pixel, u8* const swizzled_data, u8* const unswizzled_data, bool unswizzle, u32 block_height, u32 block_depth) { - if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % 16 == 0) { + if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % fast_swizzle_align == 0) { SwizzledData(swizzled_data, unswizzled_data, unswizzle, width, height, depth, bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth); } else { @@ -243,15 +240,17 @@ std::vector UnswizzleTexture(VAddr address, u32 tile_size_x, u32 tile_size_y void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width, u32 bytes_per_pixel, VAddr swizzled_data, VAddr unswizzled_data, u32 block_height) { - const u32 image_width_in_gobs{(swizzled_width * bytes_per_pixel + 63) / 64}; + const u32 image_width_in_gobs{(swizzled_width * bytes_per_pixel + (gob_size_x - 1)) / + gob_size_x}; for (u32 line = 0; line < subrect_height; ++line) { const u32 gob_address_y = - (line / (8 * block_height)) * 512 * block_height * image_width_in_gobs + - (line % (8 * block_height) / 8) * 512; - const auto& table = legacy_swizzle_table[line % 8]; + (line / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs + + ((line % (gob_size_y * block_height)) / gob_size_y) * gob_size; + const auto& table = legacy_swizzle_table[line % gob_size_y]; for (u32 x = 0; x < subrect_width; ++x) { - const u32 gob_address = gob_address_y + (x * bytes_per_pixel / 64) * 512 * block_height; - const u32 swizzled_offset = gob_address + table[(x * bytes_per_pixel) % 64]; + const u32 gob_address = + gob_address_y + (x * bytes_per_pixel / gob_size_x) * gob_size * block_height; + const u32 swizzled_offset = gob_address + table[(x * bytes_per_pixel) % gob_size_x]; const VAddr source_line = unswizzled_data + line * source_pitch + x * bytes_per_pixel; const VAddr dest_addr = swizzled_data + swizzled_offset; @@ -265,13 +264,13 @@ void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 u32 block_height, u32 offset_x, u32 offset_y) { for (u32 line = 0; line < subrect_height; ++line) { const u32 y2 = line + offset_y; - const u32 gob_address_y = - (y2 / (8 * block_height)) * 512 * block_height + (y2 % (8 * block_height) / 8) * 512; - const auto& table = legacy_swizzle_table[y2 % 8]; + const u32 gob_address_y = (y2 / (gob_size_y * block_height)) * gob_size * block_height + + ((y2 % (gob_size_y * block_height)) / gob_size_y) * gob_size; + const auto& table = legacy_swizzle_table[y2 % gob_size_y]; for (u32 x = 0; x < subrect_width; ++x) { const u32 x2 = (x + offset_x) * bytes_per_pixel; - const u32 gob_address = gob_address_y + (x2 / 64) * 512 * block_height; - const u32 swizzled_offset = gob_address + table[x2 % 64]; + const u32 gob_address = gob_address_y + (x2 / gob_size_x) * gob_size * block_height; + const u32 swizzled_offset = gob_address + table[x2 % gob_size_x]; const VAddr dest_line = unswizzled_data + line * dest_pitch + x * bytes_per_pixel; const VAddr source_addr = swizzled_data + swizzled_offset; @@ -325,12 +324,9 @@ std::vector DecodeTexture(const std::vector& texture_data, TextureFormat std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth, u32 block_height, u32 block_depth) { if (tiled) { - constexpr u32 gobs_in_x = 64; - constexpr u32 gobs_in_y = 8; - constexpr u32 gobs_in_z = 1; - const u32 aligned_width = Common::AlignUp(width * bytes_per_pixel, gobs_in_x); - const u32 aligned_height = Common::AlignUp(height, gobs_in_y * block_height); - const u32 aligned_depth = Common::AlignUp(depth, gobs_in_z * block_depth); + const u32 aligned_width = Common::AlignUp(width * bytes_per_pixel, gob_size_x); + const u32 aligned_height = Common::AlignUp(height, gob_size_y * block_height); + const u32 aligned_depth = Common::AlignUp(depth, gob_size_z * block_depth); return aligned_width * aligned_height * aligned_depth; } else { return width * height * depth * bytes_per_pixel;