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Diffstat (limited to '')
-rw-r--r-- | src/video_core/texture_cache/format_lookup_table.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/format_lookup_table.h b/src/video_core/texture_cache/format_lookup_table.h new file mode 100644 index 000000000..aa77e0a5a --- /dev/null +++ b/src/video_core/texture_cache/format_lookup_table.h @@ -0,0 +1,51 @@ +// 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 |