mirror of
https://github.com/yuzu-emu/yuzu-android.git
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fbc232426d
Normalizes pixel format names to match Vulkan names. Previous to this commit pixel formats had no convention, leading to confusion and potential bugs.
156 lines
5.2 KiB
C++
156 lines
5.2 KiB
C++
// Copyright 2020 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 <array>
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#include <bitset>
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#include <cstddef>
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#include "video_core/compatible_formats.h"
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#include "video_core/surface.h"
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namespace VideoCore::Surface {
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namespace {
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// Compatibility table taken from Table 3.X.2 in:
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// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_texture_view.txt
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constexpr std::array VIEW_CLASS_128_BITS = {
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PixelFormat::R32G32B32A32_FLOAT,
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PixelFormat::R32G32B32A32_UINT,
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PixelFormat::R32G32B32A32_SINT,
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};
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constexpr std::array VIEW_CLASS_96_BITS = {
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PixelFormat::R32G32B32_FLOAT,
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};
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// Missing formats:
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// PixelFormat::RGB32UI,
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// PixelFormat::RGB32I,
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constexpr std::array VIEW_CLASS_64_BITS = {
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PixelFormat::R32G32_FLOAT, PixelFormat::R32G32_UINT,
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PixelFormat::R32G32_SINT, PixelFormat::R16G16B16A16_FLOAT,
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PixelFormat::R16G16B16A16_UNORM, PixelFormat::R16G16B16A16_SNORM,
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PixelFormat::R16G16B16A16_UINT, PixelFormat::R16G16B16A16_SINT,
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};
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// TODO: How should we handle 48 bits?
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constexpr std::array VIEW_CLASS_32_BITS = {
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PixelFormat::R16G16_FLOAT, PixelFormat::B10G11R11_FLOAT, PixelFormat::R32_FLOAT,
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PixelFormat::A2B10G10R10_UNORM, PixelFormat::R16G16_UINT, PixelFormat::R32_UINT,
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PixelFormat::R16G16_SINT, PixelFormat::R32_SINT, PixelFormat::A8B8G8R8_UNORM,
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PixelFormat::R16G16_UNORM, PixelFormat::A8B8G8R8_SNORM, PixelFormat::R16G16_SNORM,
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PixelFormat::A8B8G8R8_SRGB, PixelFormat::E5B9G9R9_FLOAT, PixelFormat::B8G8R8A8_UNORM,
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PixelFormat::B8G8R8A8_SRGB, PixelFormat::A8B8G8R8_UINT, PixelFormat::A8B8G8R8_SINT,
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PixelFormat::A2B10G10R10_UINT,
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};
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// TODO: How should we handle 24 bits?
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constexpr std::array VIEW_CLASS_16_BITS = {
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PixelFormat::R16_FLOAT, PixelFormat::R8G8_UINT, PixelFormat::R16_UINT,
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PixelFormat::R16_SINT, PixelFormat::R8G8_UNORM, PixelFormat::R16_UNORM,
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PixelFormat::R8G8_SNORM, PixelFormat::R16_SNORM, PixelFormat::R8G8_SINT,
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};
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constexpr std::array VIEW_CLASS_8_BITS = {
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PixelFormat::R8_UINT,
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PixelFormat::R8_UNORM,
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PixelFormat::R8_SINT,
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PixelFormat::R8_SNORM,
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};
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constexpr std::array VIEW_CLASS_RGTC1_RED = {
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PixelFormat::BC4_UNORM,
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PixelFormat::BC4_SNORM,
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};
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constexpr std::array VIEW_CLASS_RGTC2_RG = {
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PixelFormat::BC5_UNORM,
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PixelFormat::BC5_SNORM,
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};
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constexpr std::array VIEW_CLASS_BPTC_UNORM = {
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PixelFormat::BC7_UNORM,
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PixelFormat::BC7_SRGB,
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};
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constexpr std::array VIEW_CLASS_BPTC_FLOAT = {
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PixelFormat::BC6H_SFLOAT,
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PixelFormat::BC6H_UFLOAT,
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};
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// Compatibility table taken from Table 4.X.1 in:
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// https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_copy_image.txt
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constexpr std::array COPY_CLASS_128_BITS = {
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PixelFormat::R32G32B32A32_UINT, PixelFormat::R32G32B32A32_FLOAT, PixelFormat::R32G32B32A32_SINT,
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PixelFormat::BC2_UNORM, PixelFormat::BC2_SRGB, PixelFormat::BC3_UNORM,
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PixelFormat::BC3_SRGB, PixelFormat::BC5_UNORM, PixelFormat::BC5_SNORM,
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PixelFormat::BC7_UNORM, PixelFormat::BC7_SRGB, PixelFormat::BC6H_SFLOAT,
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PixelFormat::BC6H_UFLOAT,
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};
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// Missing formats:
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// PixelFormat::RGBA32I
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// COMPRESSED_RG_RGTC2
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constexpr std::array COPY_CLASS_64_BITS = {
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PixelFormat::R16G16B16A16_FLOAT, PixelFormat::R16G16B16A16_UINT,
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PixelFormat::R16G16B16A16_UNORM, PixelFormat::R16G16B16A16_SNORM,
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PixelFormat::R16G16B16A16_SINT, PixelFormat::R32G32_UINT,
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PixelFormat::R32G32_FLOAT, PixelFormat::R32G32_SINT,
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PixelFormat::BC1_RGBA_UNORM, PixelFormat::BC1_RGBA_SRGB,
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};
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// Missing formats:
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// COMPRESSED_RGB_S3TC_DXT1_EXT
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// COMPRESSED_SRGB_S3TC_DXT1_EXT
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// COMPRESSED_RGBA_S3TC_DXT1_EXT
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// COMPRESSED_SIGNED_RED_RGTC1
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void Enable(FormatCompatibility::Table& compatiblity, size_t format_a, size_t format_b) {
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compatiblity[format_a][format_b] = true;
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compatiblity[format_b][format_a] = true;
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}
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void Enable(FormatCompatibility::Table& compatibility, PixelFormat format_a, PixelFormat format_b) {
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Enable(compatibility, static_cast<size_t>(format_a), static_cast<size_t>(format_b));
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}
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template <typename Range>
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void EnableRange(FormatCompatibility::Table& compatibility, const Range& range) {
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for (auto it_a = range.begin(); it_a != range.end(); ++it_a) {
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for (auto it_b = it_a; it_b != range.end(); ++it_b) {
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Enable(compatibility, *it_a, *it_b);
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}
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}
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}
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} // Anonymous namespace
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FormatCompatibility::FormatCompatibility() {
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for (size_t i = 0; i < MaxPixelFormat; ++i) {
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// Identity is allowed
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Enable(view, i, i);
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}
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EnableRange(view, VIEW_CLASS_128_BITS);
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EnableRange(view, VIEW_CLASS_96_BITS);
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EnableRange(view, VIEW_CLASS_64_BITS);
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EnableRange(view, VIEW_CLASS_32_BITS);
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EnableRange(view, VIEW_CLASS_16_BITS);
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EnableRange(view, VIEW_CLASS_8_BITS);
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EnableRange(view, VIEW_CLASS_RGTC1_RED);
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EnableRange(view, VIEW_CLASS_RGTC2_RG);
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EnableRange(view, VIEW_CLASS_BPTC_UNORM);
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EnableRange(view, VIEW_CLASS_BPTC_FLOAT);
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copy = view;
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EnableRange(copy, COPY_CLASS_128_BITS);
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EnableRange(copy, COPY_CLASS_64_BITS);
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}
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} // namespace VideoCore::Surface
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