66 lines
3.0 KiB
C++
66 lines
3.0 KiB
C++
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <vector>
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#include "common/common_types.h"
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#include "video_core/textures/texture.h"
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namespace Tegra::Texture {
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// GOBSize constant. Calculated by 64 bytes in x multiplied by 8 y coords, represents
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// an small rect of (64/bytes_per_pixel)X8.
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inline std::size_t GetGOBSize() {
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return 512;
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}
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inline std::size_t GetGOBSizeShift() {
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return 9;
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}
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/// Unswizzles a swizzled texture without changing its format.
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void UnswizzleTexture(u8* unswizzled_data, u8* address, u32 tile_size_x, u32 tile_size_y,
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u32 bytes_per_pixel, u32 width, u32 height, u32 depth,
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u32 block_height = TICEntry::DefaultBlockHeight,
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u32 block_depth = TICEntry::DefaultBlockHeight, u32 width_spacing = 0);
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/// Unswizzles a swizzled texture without changing its format.
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std::vector<u8> UnswizzleTexture(u8* address, u32 tile_size_x, u32 tile_size_y, u32 bytes_per_pixel,
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u32 width, u32 height, u32 depth,
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u32 block_height = TICEntry::DefaultBlockHeight,
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u32 block_depth = TICEntry::DefaultBlockHeight,
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u32 width_spacing = 0);
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/// Copies texture data from a buffer and performs swizzling/unswizzling as necessary.
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void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel,
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u32 out_bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data,
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bool unswizzle, u32 block_height, u32 block_depth, u32 width_spacing);
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/// Decodes an unswizzled texture into a A8R8G8B8 texture.
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std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat format, u32 width,
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u32 height);
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/// This function calculates the correct size of a texture depending if it's tiled or not.
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std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height, u32 depth,
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u32 block_height, u32 block_depth);
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/// Copies an untiled subrectangle into a tiled surface.
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void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width,
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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
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u32 offset_x, u32 offset_y);
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/// Copies a tiled subrectangle into a linear surface.
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void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
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u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
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u32 offset_x, u32 offset_y);
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void SwizzleKepler(u32 width, u32 height, u32 dst_x, u32 dst_y, u32 block_height,
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std::size_t copy_size, const u8* source_data, u8* swizzle_data);
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u64 GetGOBOffset(u32 width, u32 height, u32 dst_x, u32 dst_y, u32 block_height,
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u32 bytes_per_pixel);
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} // namespace Tegra::Texture
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