mirror of https://git.suyu.dev/suyu/suyu
texture_cache: Use a table instead of switch for texture formats
Use a large flat array to look up texture formats. This allows us to properly implement formats with different component types. It should also be faster.merge-requests/60/head
ReinUsesLisp
parent
48a1687f51
commit
80eacdf89b
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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 <array>
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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/texture_cache/format_lookup_table.h"
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namespace VideoCommon {
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using Tegra::Texture::ComponentType;
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using Tegra::Texture::TextureFormat;
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using VideoCore::Surface::PixelFormat;
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namespace {
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static constexpr auto SNORM = ComponentType::SNORM;
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static constexpr auto UNORM = ComponentType::UNORM;
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static constexpr auto SINT = ComponentType::SINT;
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static constexpr auto UINT = ComponentType::UINT;
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static constexpr auto SNORM_FORCE_FP16 = ComponentType::SNORM_FORCE_FP16;
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static constexpr auto UNORM_FORCE_FP16 = ComponentType::UNORM_FORCE_FP16;
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static constexpr auto FLOAT = ComponentType::FLOAT;
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static constexpr bool C = false; // Normal color
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static constexpr bool S = true; // Srgb
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struct Table {
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constexpr Table(TextureFormat texture_format, bool is_srgb, ComponentType red_component,
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ComponentType green_component, ComponentType blue_component,
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ComponentType alpha_component, PixelFormat pixel_format)
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: texture_format{static_cast<u32>(texture_format)},
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pixel_format{static_cast<u32>(pixel_format)}, red_component{static_cast<u32>(
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red_component)},
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green_component{static_cast<u32>(green_component)}, blue_component{static_cast<u32>(
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blue_component)},
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alpha_component{static_cast<u32>(alpha_component)}, is_srgb{is_srgb ? 1U : 0U} {}
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u32 texture_format : 8;
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u32 pixel_format : 8;
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u32 red_component : 3;
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u32 green_component : 3;
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u32 blue_component : 3;
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u32 alpha_component : 3;
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u32 is_srgb : 1;
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};
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constexpr std::array<Table, 74> DefinitionTable = {{
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{TextureFormat::A8R8G8B8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ABGR8U},
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{TextureFormat::A8R8G8B8, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::ABGR8S},
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{TextureFormat::A8R8G8B8, C, UINT, UINT, UINT, UINT, PixelFormat::ABGR8UI},
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{TextureFormat::A8R8G8B8, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::RGBA8_SRGB},
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{TextureFormat::B5G6R5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::B5G6R5U},
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{TextureFormat::A2B10G10R10, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::A2B10G10R10U},
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{TextureFormat::A1B5G5R5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::A1B5G5R5U},
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{TextureFormat::A4B4G4R4, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::R4G4B4A4U},
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{TextureFormat::R8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::R8U},
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{TextureFormat::R8, C, UINT, UINT, UINT, UINT, PixelFormat::R8UI},
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{TextureFormat::G8R8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::RG8U},
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{TextureFormat::G8R8, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::RG8S},
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{TextureFormat::R16_G16_B16_A16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::RGBA16U},
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{TextureFormat::R16_G16_B16_A16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RGBA16F},
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{TextureFormat::R16_G16_B16_A16, C, UINT, UINT, UINT, UINT, PixelFormat::RGBA16UI},
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{TextureFormat::R16_G16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RG16F},
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{TextureFormat::R16_G16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::RG16},
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{TextureFormat::R16_G16, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::RG16S},
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{TextureFormat::R16_G16, C, UINT, UINT, UINT, UINT, PixelFormat::RG16UI},
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{TextureFormat::R16_G16, C, SINT, SINT, SINT, SINT, PixelFormat::RG16I},
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{TextureFormat::R16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::R16F},
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{TextureFormat::R16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::R16U},
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{TextureFormat::R16, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::R16S},
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{TextureFormat::R16, C, UINT, UINT, UINT, UINT, PixelFormat::R16UI},
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{TextureFormat::R16, C, SINT, SINT, SINT, SINT, PixelFormat::R16I},
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{TextureFormat::BF10GF11RF11, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::R11FG11FB10F},
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{TextureFormat::R32_G32_B32_A32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RGBA32F},
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{TextureFormat::R32_G32_B32_A32, C, UINT, UINT, UINT, UINT, PixelFormat::RGBA32UI},
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{TextureFormat::R32_G32_B32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RGB32F},
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{TextureFormat::R32_G32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RG32F},
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{TextureFormat::R32_G32, C, UINT, UINT, UINT, UINT, PixelFormat::RG32UI},
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{TextureFormat::R32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::R32F},
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{TextureFormat::R32, C, UINT, UINT, UINT, UINT, PixelFormat::R32UI},
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{TextureFormat::E5B9G9R9_SHAREDEXP, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::E5B9G9R9F},
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{TextureFormat::ZF32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::Z32F},
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{TextureFormat::Z16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::Z16},
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{TextureFormat::S8Z24, C, UINT, UNORM, UNORM, UNORM, PixelFormat::S8Z24},
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{TextureFormat::ZF32_X24S8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::Z32FS8},
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{TextureFormat::DXT1, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT1},
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{TextureFormat::DXT1, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT1_SRGB},
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{TextureFormat::DXT23, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT23},
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{TextureFormat::DXT23, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT23_SRGB},
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{TextureFormat::DXT45, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT45},
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{TextureFormat::DXT45, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT45_SRGB},
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// TODO: Use a different pixel format for SNORM
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{TextureFormat::DXN1, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXN1},
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{TextureFormat::DXN1, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::DXN1},
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{TextureFormat::DXN2, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXN2UNORM},
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{TextureFormat::DXN2, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::DXN2SNORM},
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{TextureFormat::BC7U, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::BC7U},
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{TextureFormat::BC7U, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::BC7U_SRGB},
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{TextureFormat::BC6H_SF16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::BC6H_SF16},
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{TextureFormat::BC6H_UF16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::BC6H_UF16},
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{TextureFormat::ASTC_2D_4X4, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_4X4},
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{TextureFormat::ASTC_2D_4X4, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_4X4_SRGB},
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{TextureFormat::ASTC_2D_5X4, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X4},
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{TextureFormat::ASTC_2D_5X4, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X4_SRGB},
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{TextureFormat::ASTC_2D_5X5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X5},
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{TextureFormat::ASTC_2D_5X5, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X5_SRGB},
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{TextureFormat::ASTC_2D_8X8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X8},
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{TextureFormat::ASTC_2D_8X8, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X8_SRGB},
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{TextureFormat::ASTC_2D_8X5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X5},
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{TextureFormat::ASTC_2D_8X5, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X5_SRGB},
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{TextureFormat::ASTC_2D_10X8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X8},
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{TextureFormat::ASTC_2D_10X8, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X8_SRGB},
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{TextureFormat::ASTC_2D_6X6, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X6},
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{TextureFormat::ASTC_2D_6X6, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X6_SRGB},
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{TextureFormat::ASTC_2D_10X10, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X10},
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{TextureFormat::ASTC_2D_10X10, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X10_SRGB},
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{TextureFormat::ASTC_2D_12X12, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_12X12},
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{TextureFormat::ASTC_2D_12X12, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_12X12_SRGB},
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{TextureFormat::ASTC_2D_8X6, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X6},
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{TextureFormat::ASTC_2D_8X6, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X6_SRGB},
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{TextureFormat::ASTC_2D_6X5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X5},
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{TextureFormat::ASTC_2D_6X5, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X5_SRGB},
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}};
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} // Anonymous namespace
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FormatLookupTable::FormatLookupTable() {
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table.fill(static_cast<u8>(PixelFormat::Invalid));
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for (const auto entry : DefinitionTable) {
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table[CalculateIndex(static_cast<TextureFormat>(entry.texture_format), entry.is_srgb != 0,
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static_cast<ComponentType>(entry.red_component),
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static_cast<ComponentType>(entry.green_component),
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static_cast<ComponentType>(entry.blue_component),
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static_cast<ComponentType>(entry.alpha_component))] =
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static_cast<u8>(entry.pixel_format);
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}
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}
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PixelFormat FormatLookupTable::GetPixelFormat(TextureFormat format, bool is_srgb,
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ComponentType red_component,
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ComponentType green_component,
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ComponentType blue_component,
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ComponentType alpha_component) const noexcept {
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const auto pixel_format = static_cast<PixelFormat>(table[CalculateIndex(
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format, is_srgb, red_component, green_component, blue_component, alpha_component)]);
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// [[likely]]
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if (pixel_format != PixelFormat::Invalid) {
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return pixel_format;
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}
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UNIMPLEMENTED_MSG("texture format={} srgb={} components={{{} {} {} {}}}",
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static_cast<int>(format), is_srgb, static_cast<int>(red_component),
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static_cast<int>(green_component), static_cast<int>(blue_component),
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static_cast<int>(alpha_component));
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return PixelFormat::ABGR8U;
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}
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void FormatLookupTable::Set(TextureFormat format, bool is_srgb, ComponentType red_component,
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ComponentType green_component, ComponentType blue_component,
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ComponentType alpha_component, PixelFormat pixel_format) {}
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std::size_t FormatLookupTable::CalculateIndex(TextureFormat format, bool is_srgb,
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ComponentType red_component,
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ComponentType green_component,
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ComponentType blue_component,
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ComponentType alpha_component) noexcept {
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const auto format_index = static_cast<std::size_t>(format);
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const auto red_index = static_cast<std::size_t>(red_component);
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const auto green_index = static_cast<std::size_t>(red_component);
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const auto blue_index = static_cast<std::size_t>(red_component);
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const auto alpha_index = static_cast<std::size_t>(red_component);
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const std::size_t srgb_index = is_srgb ? 1 : 0;
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return format_index * PerFormat +
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srgb_index * PerComponent * PerComponent * PerComponent * PerComponent +
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alpha_index * PerComponent * PerComponent * PerComponent +
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blue_index * PerComponent * PerComponent + green_index * PerComponent + red_index;
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}
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} // namespace VideoCommon
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@ -0,0 +1,51 @@
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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 <array>
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#include <numeric>
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#include "video_core/surface.h"
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#include "video_core/textures/texture.h"
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namespace VideoCommon {
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class FormatLookupTable {
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public:
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explicit FormatLookupTable();
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VideoCore::Surface::PixelFormat GetPixelFormat(
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Tegra::Texture::TextureFormat format, bool is_srgb,
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Tegra::Texture::ComponentType red_component, Tegra::Texture::ComponentType green_component,
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Tegra::Texture::ComponentType blue_component,
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Tegra::Texture::ComponentType alpha_component) const noexcept;
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private:
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static_assert(VideoCore::Surface::MaxPixelFormat <= std::numeric_limits<u8>::max());
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static constexpr std::size_t NumTextureFormats = 128;
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static constexpr std::size_t PerComponent = 8;
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static constexpr std::size_t PerComponents2 = PerComponent * PerComponent;
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static constexpr std::size_t PerComponents3 = PerComponents2 * PerComponent;
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static constexpr std::size_t PerComponents4 = PerComponents3 * PerComponent;
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static constexpr std::size_t PerFormat = PerComponents4 * 2;
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static std::size_t CalculateIndex(Tegra::Texture::TextureFormat format, bool is_srgb,
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Tegra::Texture::ComponentType red_component,
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Tegra::Texture::ComponentType green_component,
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Tegra::Texture::ComponentType blue_component,
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Tegra::Texture::ComponentType alpha_component) noexcept;
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void Set(Tegra::Texture::TextureFormat format, bool is_srgb,
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Tegra::Texture::ComponentType red_component,
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Tegra::Texture::ComponentType green_component,
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Tegra::Texture::ComponentType blue_component,
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Tegra::Texture::ComponentType alpha_component,
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VideoCore::Surface::PixelFormat pixel_format);
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std::array<u8, NumTextureFormats * PerFormat> table;
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};
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} // namespace VideoCommon
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