gl_rasterizer_cache: Move format conversion to its own file
ReinUsesLisp
parent
0ccd490fcd
commit
0ad3c031f4
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// Copyright 2019 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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#include <algorithm>
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#include <cstring>
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#include <tuple>
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#include <vector>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/logging/log.h"
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#include "video_core/textures/astc.h"
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#include "video_core/textures/convert.h"
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namespace Tegra::Texture {
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using VideoCore::Surface::PixelFormat;
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template <bool reverse>
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void SwapS8Z24ToZ24S8(u8* data, u32 width, u32 height) {
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union S8Z24 {
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BitField<0, 24, u32> z24;
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BitField<24, 8, u32> s8;
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};
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static_assert(sizeof(S8Z24) == 4, "S8Z24 is incorrect size");
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union Z24S8 {
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BitField<0, 8, u32> s8;
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BitField<8, 24, u32> z24;
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};
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static_assert(sizeof(Z24S8) == 4, "Z24S8 is incorrect size");
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S8Z24 s8z24_pixel{};
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Z24S8 z24s8_pixel{};
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constexpr auto bpp{
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VideoCore::Surface::GetBytesPerPixel(VideoCore::Surface::PixelFormat::S8Z24)};
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for (std::size_t y = 0; y < height; ++y) {
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for (std::size_t x = 0; x < width; ++x) {
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const std::size_t offset{bpp * (y * width + x)};
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if constexpr (reverse) {
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std::memcpy(&z24s8_pixel, &data[offset], sizeof(Z24S8));
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s8z24_pixel.s8.Assign(z24s8_pixel.s8);
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s8z24_pixel.z24.Assign(z24s8_pixel.z24);
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std::memcpy(&data[offset], &s8z24_pixel, sizeof(S8Z24));
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} else {
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std::memcpy(&s8z24_pixel, &data[offset], sizeof(S8Z24));
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z24s8_pixel.s8.Assign(s8z24_pixel.s8);
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z24s8_pixel.z24.Assign(s8z24_pixel.z24);
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std::memcpy(&data[offset], &z24s8_pixel, sizeof(Z24S8));
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}
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}
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}
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}
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static void ConvertS8Z24ToZ24S8(u8* data, u32 width, u32 height) {
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SwapS8Z24ToZ24S8<false>(data, width, height);
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}
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static void ConvertZ24S8ToS8Z24(u8* data, u32 width, u32 height) {
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SwapS8Z24ToZ24S8<true>(data, width, height);
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}
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void ConvertFromGuestToHost(u8* data, PixelFormat pixel_format, u32 width, u32 height, u32 depth,
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bool convert_astc, bool convert_s8z24) {
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if (convert_astc && IsPixelFormatASTC(pixel_format)) {
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// Convert ASTC pixel formats to RGBA8, as most desktop GPUs do not support ASTC.
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u32 block_width{};
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u32 block_height{};
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std::tie(block_width, block_height) = GetASTCBlockSize(pixel_format);
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const std::vector<u8> rgba8_data =
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Tegra::Texture::ASTC::Decompress(data, width, height, depth, block_width, block_height);
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std::copy(rgba8_data.begin(), rgba8_data.end(), data);
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} else if (convert_s8z24 && pixel_format == PixelFormat::S8Z24) {
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Tegra::Texture::ConvertS8Z24ToZ24S8(data, width, height);
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}
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}
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void ConvertFromHostToGuest(u8* data, PixelFormat pixel_format, u32 width, u32 height, u32 depth,
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bool convert_astc, bool convert_s8z24) {
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if (convert_astc && IsPixelFormatASTC(pixel_format)) {
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LOG_CRITICAL(HW_GPU, "Conversion of format {} after texture flushing is not implemented",
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static_cast<u32>(pixel_format));
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UNREACHABLE();
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} else if (convert_s8z24 && pixel_format == PixelFormat::S8Z24) {
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Tegra::Texture::ConvertZ24S8ToS8Z24(data, width, height);
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}
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}
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} // namespace Tegra::Texture
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@ -0,0 +1,18 @@
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// Copyright 2019 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 "common/common_types.h"
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#include "video_core/surface.h"
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namespace Tegra::Texture {
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void ConvertFromGuestToHost(u8* data, VideoCore::Surface::PixelFormat pixel_format, u32 width,
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u32 height, u32 depth, bool convert_astc, bool convert_s8z24);
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void ConvertFromHostToGuest(u8* data, VideoCore::Surface::PixelFormat pixel_format, u32 width,
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u32 height, u32 depth, bool convert_astc, bool convert_s8z24);
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} // namespace Tegra::Texture
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