289 lines
9.4 KiB
C++
289 lines
9.4 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 <cstddef>
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#include "common/common_types.h"
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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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using Table = std::array<std::array<u64, 2>, MaxPixelFormat>;
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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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constexpr std::array VIEW_CLASS_32_BITS_NO_BGR{
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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::A8B8G8R8_UINT,
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PixelFormat::A8B8G8R8_SINT, 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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constexpr std::array VIEW_CLASS_ASTC_4x4_RGBA{
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PixelFormat::ASTC_2D_4X4_UNORM,
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PixelFormat::ASTC_2D_4X4_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_5x4_RGBA{
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PixelFormat::ASTC_2D_5X4_UNORM,
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PixelFormat::ASTC_2D_5X4_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_5x5_RGBA{
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PixelFormat::ASTC_2D_5X5_UNORM,
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PixelFormat::ASTC_2D_5X5_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_6x5_RGBA{
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PixelFormat::ASTC_2D_6X5_UNORM,
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PixelFormat::ASTC_2D_6X5_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_6x6_RGBA{
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PixelFormat::ASTC_2D_6X6_UNORM,
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PixelFormat::ASTC_2D_6X6_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_8x5_RGBA{
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PixelFormat::ASTC_2D_8X5_UNORM,
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PixelFormat::ASTC_2D_8X5_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_8x8_RGBA{
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PixelFormat::ASTC_2D_8X8_UNORM,
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PixelFormat::ASTC_2D_8X8_SRGB,
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};
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// Missing formats:
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// PixelFormat::ASTC_2D_10X5_UNORM
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// PixelFormat::ASTC_2D_10X5_SRGB
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// Missing formats:
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// PixelFormat::ASTC_2D_10X6_SRGB
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constexpr std::array VIEW_CLASS_ASTC_10x6_RGBA{
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PixelFormat::ASTC_2D_10X6_UNORM,
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};
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constexpr std::array VIEW_CLASS_ASTC_10x8_RGBA{
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PixelFormat::ASTC_2D_10X8_UNORM,
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PixelFormat::ASTC_2D_10X8_SRGB,
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};
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constexpr std::array VIEW_CLASS_ASTC_10x10_RGBA{
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PixelFormat::ASTC_2D_10X10_UNORM,
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PixelFormat::ASTC_2D_10X10_SRGB,
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};
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// Missing formats
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// ASTC_2D_12X10_UNORM,
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// ASTC_2D_12X10_SRGB,
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constexpr std::array VIEW_CLASS_ASTC_12x12_RGBA{
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PixelFormat::ASTC_2D_12X12_UNORM,
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PixelFormat::ASTC_2D_12X12_SRGB,
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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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constexpr void Enable(Table& table, size_t format_a, size_t format_b) {
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table[format_a][format_b / 64] |= u64(1) << (format_b % 64);
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table[format_b][format_a / 64] |= u64(1) << (format_a % 64);
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}
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constexpr void Enable(Table& table, PixelFormat format_a, PixelFormat format_b) {
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Enable(table, 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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constexpr void EnableRange(Table& table, 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(table, *it_a, *it_b);
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}
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}
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}
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constexpr bool IsSupported(const Table& table, PixelFormat format_a, PixelFormat format_b) {
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const size_t a = static_cast<size_t>(format_a);
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const size_t b = static_cast<size_t>(format_b);
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return ((table[a][b / 64] >> (b % 64)) & 1) != 0;
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}
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constexpr Table MakeViewTable() {
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Table view{};
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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_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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EnableRange(view, VIEW_CLASS_ASTC_4x4_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_5x4_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_5x5_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_6x5_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_6x6_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_8x5_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_8x8_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_10x6_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_10x8_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_10x10_RGBA);
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EnableRange(view, VIEW_CLASS_ASTC_12x12_RGBA);
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return view;
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}
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constexpr Table MakeCopyTable() {
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Table copy = MakeViewTable();
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EnableRange(copy, COPY_CLASS_128_BITS);
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EnableRange(copy, COPY_CLASS_64_BITS);
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return copy;
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}
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constexpr Table MakeNativeBgrViewTable() {
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Table copy = MakeViewTable();
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EnableRange(copy, VIEW_CLASS_32_BITS);
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return copy;
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}
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constexpr Table MakeNonNativeBgrViewTable() {
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Table copy = MakeViewTable();
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EnableRange(copy, VIEW_CLASS_32_BITS_NO_BGR);
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return copy;
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}
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constexpr Table MakeNativeBgrCopyTable() {
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Table copy = MakeCopyTable();
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EnableRange(copy, VIEW_CLASS_32_BITS);
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return copy;
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}
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constexpr Table MakeNonNativeBgrCopyTable() {
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Table copy = MakeCopyTable();
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EnableRange(copy, VIEW_CLASS_32_BITS);
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return copy;
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}
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} // Anonymous namespace
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bool IsViewCompatible(PixelFormat format_a, PixelFormat format_b, bool broken_views,
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bool native_bgr) {
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if (broken_views) {
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// If format views are broken, only accept formats that are identical.
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return format_a == format_b;
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}
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static constexpr Table BGR_TABLE = MakeNativeBgrViewTable();
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static constexpr Table NO_BGR_TABLE = MakeNonNativeBgrViewTable();
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return IsSupported(native_bgr ? BGR_TABLE : NO_BGR_TABLE, format_a, format_b);
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}
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bool IsCopyCompatible(PixelFormat format_a, PixelFormat format_b, bool native_bgr) {
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static constexpr Table BGR_TABLE = MakeNativeBgrCopyTable();
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static constexpr Table NO_BGR_TABLE = MakeNonNativeBgrCopyTable();
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return IsSupported(native_bgr ? BGR_TABLE : NO_BGR_TABLE, format_a, format_b);
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}
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} // namespace VideoCore::Surface
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