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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <limits>
#include "video_core/surface.h"
#include "video_core/textures/texture.h"
namespace VideoCommon {
class FormatLookupTable {
public:
explicit FormatLookupTable();
VideoCore::Surface::PixelFormat GetPixelFormat(
Tegra::Texture::TextureFormat format, bool is_srgb,
Tegra::Texture::ComponentType red_component, Tegra::Texture::ComponentType green_component,
Tegra::Texture::ComponentType blue_component,
Tegra::Texture::ComponentType alpha_component) const noexcept;
private:
static_assert(VideoCore::Surface::MaxPixelFormat <= std::numeric_limits<u8>::max());
static constexpr std::size_t NumTextureFormats = 128;
static constexpr std::size_t PerComponent = 8;
static constexpr std::size_t PerComponents2 = PerComponent * PerComponent;
static constexpr std::size_t PerComponents3 = PerComponents2 * PerComponent;
static constexpr std::size_t PerComponents4 = PerComponents3 * PerComponent;
static constexpr std::size_t PerFormat = PerComponents4 * 2;
static std::size_t CalculateIndex(Tegra::Texture::TextureFormat format, bool is_srgb,
Tegra::Texture::ComponentType red_component,
Tegra::Texture::ComponentType green_component,
Tegra::Texture::ComponentType blue_component,
Tegra::Texture::ComponentType alpha_component) noexcept;
void Set(Tegra::Texture::TextureFormat format, bool is_srgb,
Tegra::Texture::ComponentType red_component,
Tegra::Texture::ComponentType green_component,
Tegra::Texture::ComponentType blue_component,
Tegra::Texture::ComponentType alpha_component,
VideoCore::Surface::PixelFormat pixel_format);
std::array<u8, NumTextureFormats * PerFormat> table;
};
} // namespace VideoCommon
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