diff options
Diffstat (limited to 'src/video_core/texture_cache/accelerated_swizzle.cpp')
| -rw-r--r-- | src/video_core/texture_cache/accelerated_swizzle.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/accelerated_swizzle.cpp b/src/video_core/texture_cache/accelerated_swizzle.cpp new file mode 100644 index 000000000..a4fc1184b --- /dev/null +++ b/src/video_core/texture_cache/accelerated_swizzle.cpp @@ -0,0 +1,70 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <array> +#include <bit> + +#include "common/alignment.h" +#include "common/common_types.h" +#include "common/div_ceil.h" +#include "video_core/surface.h" +#include "video_core/texture_cache/accelerated_swizzle.h" +#include "video_core/texture_cache/util.h" +#include "video_core/textures/decoders.h" + +namespace VideoCommon::Accelerated { + +using Tegra::Texture::GOB_SIZE_SHIFT; +using Tegra::Texture::GOB_SIZE_X; +using Tegra::Texture::GOB_SIZE_X_SHIFT; +using Tegra::Texture::GOB_SIZE_Y_SHIFT; +using VideoCore::Surface::BytesPerBlock; + +BlockLinearSwizzle2DParams MakeBlockLinearSwizzle2DParams(const SwizzleParameters& swizzle, + const ImageInfo& info) { + const Extent3D block = swizzle.block; + const Extent3D num_tiles = swizzle.num_tiles; + const u32 bytes_per_block = BytesPerBlock(info.format); + const u32 stride_alignment = CalculateLevelStrideAlignment(info, swizzle.level); + const u32 stride = Common::AlignBits(num_tiles.width, stride_alignment) * bytes_per_block; + const u32 gobs_in_x = Common::DivCeilLog2(stride, GOB_SIZE_X_SHIFT); + return BlockLinearSwizzle2DParams{ + .origin{0, 0, 0}, + .destination{0, 0, 0}, + .bytes_per_block_log2 = static_cast<u32>(std::countr_zero(bytes_per_block)), + .layer_stride = info.layer_stride, + .block_size = gobs_in_x << (GOB_SIZE_SHIFT + block.height + block.depth), + .x_shift = GOB_SIZE_SHIFT + block.height + block.depth, + .block_height = block.height, + .block_height_mask = (1U << block.height) - 1, + }; +} + +BlockLinearSwizzle3DParams MakeBlockLinearSwizzle3DParams(const SwizzleParameters& swizzle, + const ImageInfo& info) { + const Extent3D block = swizzle.block; + const Extent3D num_tiles = swizzle.num_tiles; + const u32 bytes_per_block = BytesPerBlock(info.format); + const u32 stride_alignment = CalculateLevelStrideAlignment(info, swizzle.level); + const u32 stride = Common::AlignBits(num_tiles.width, stride_alignment) * bytes_per_block; + + const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) >> GOB_SIZE_X_SHIFT; + const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block.height + block.depth); + const u32 slice_size = + Common::DivCeilLog2(num_tiles.height, block.height + GOB_SIZE_Y_SHIFT) * block_size; + return BlockLinearSwizzle3DParams{ + .origin{0, 0, 0}, + .destination{0, 0, 0}, + .bytes_per_block_log2 = static_cast<u32>(std::countr_zero(bytes_per_block)), + .slice_size = slice_size, + .block_size = block_size, + .x_shift = GOB_SIZE_SHIFT + block.height + block.depth, + .block_height = block.height, + .block_height_mask = (1U << block.height) - 1, + .block_depth = block.depth, + .block_depth_mask = (1U << block.depth) - 1, + }; +} + +} // namespace VideoCommon::Accelerated
\ No newline at end of file |