70 lines
3.0 KiB
C++
70 lines
3.0 KiB
C++
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <array>
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#include <bit>
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#include "common/alignment.h"
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#include "common/common_types.h"
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#include "common/div_ceil.h"
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#include "video_core/surface.h"
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#include "video_core/texture_cache/accelerated_swizzle.h"
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#include "video_core/texture_cache/util.h"
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#include "video_core/textures/decoders.h"
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namespace VideoCommon::Accelerated {
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using Tegra::Texture::GOB_SIZE_SHIFT;
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using Tegra::Texture::GOB_SIZE_X;
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using Tegra::Texture::GOB_SIZE_X_SHIFT;
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using Tegra::Texture::GOB_SIZE_Y_SHIFT;
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using VideoCore::Surface::BytesPerBlock;
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BlockLinearSwizzle2DParams MakeBlockLinearSwizzle2DParams(const SwizzleParameters& swizzle,
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const ImageInfo& info) {
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const Extent3D block = swizzle.block;
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const Extent3D num_tiles = swizzle.num_tiles;
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const u32 bytes_per_block = BytesPerBlock(info.format);
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const u32 stride_alignment = CalculateLevelStrideAlignment(info, swizzle.level);
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const u32 stride = Common::AlignUpLog2(num_tiles.width, stride_alignment) * bytes_per_block;
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const u32 gobs_in_x = Common::DivCeilLog2(stride, GOB_SIZE_X_SHIFT);
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return BlockLinearSwizzle2DParams{
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.origin{0, 0, 0},
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.destination{0, 0, 0},
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.bytes_per_block_log2 = static_cast<u32>(std::countr_zero(bytes_per_block)),
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.layer_stride = info.layer_stride,
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.block_size = gobs_in_x << (GOB_SIZE_SHIFT + block.height + block.depth),
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.x_shift = GOB_SIZE_SHIFT + block.height + block.depth,
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.block_height = block.height,
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.block_height_mask = (1U << block.height) - 1,
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};
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}
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BlockLinearSwizzle3DParams MakeBlockLinearSwizzle3DParams(const SwizzleParameters& swizzle,
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const ImageInfo& info) {
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const Extent3D block = swizzle.block;
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const Extent3D num_tiles = swizzle.num_tiles;
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const u32 bytes_per_block = BytesPerBlock(info.format);
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const u32 stride_alignment = CalculateLevelStrideAlignment(info, swizzle.level);
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const u32 stride = Common::AlignUpLog2(num_tiles.width, stride_alignment) * bytes_per_block;
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const u32 gobs_in_x = (stride + GOB_SIZE_X - 1) >> GOB_SIZE_X_SHIFT;
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const u32 block_size = gobs_in_x << (GOB_SIZE_SHIFT + block.height + block.depth);
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const u32 slice_size =
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Common::DivCeilLog2(num_tiles.height, block.height + GOB_SIZE_Y_SHIFT) * block_size;
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return BlockLinearSwizzle3DParams{
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.origin{0, 0, 0},
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.destination{0, 0, 0},
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.bytes_per_block_log2 = static_cast<u32>(std::countr_zero(bytes_per_block)),
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.slice_size = slice_size,
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.block_size = block_size,
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.x_shift = GOB_SIZE_SHIFT + block.height + block.depth,
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.block_height = block.height,
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.block_height_mask = (1U << block.height) - 1,
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.block_depth = block.depth,
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.block_depth_mask = (1U << block.depth) - 1,
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};
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}
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} // namespace VideoCommon::Accelerated
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