forked from suyu/suyu
4681381a34
format_lookup_table: Drop bitfields format_lookup_table: Use std::array for definition table format_lookup_table: Include <limits> instead of <numeric>
51 lines
2 KiB
C++
51 lines
2 KiB
C++
// 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 <limits>
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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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