diff options
Diffstat (limited to 'src/video_core/texture_cache/format_lookup_table.cpp')
| -rw-r--r-- | src/video_core/texture_cache/format_lookup_table.cpp | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/format_lookup_table.cpp b/src/video_core/texture_cache/format_lookup_table.cpp new file mode 100644 index 000000000..ee050cc31 --- /dev/null +++ b/src/video_core/texture_cache/format_lookup_table.cpp @@ -0,0 +1,214 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <array> +#include "common/common_types.h" +#include "common/logging/log.h" +#include "video_core/texture_cache/format_lookup_table.h" + +namespace VideoCommon { + +using Tegra::Texture::ComponentType; +using Tegra::Texture::TextureFormat; +using VideoCore::Surface::PixelFormat; + +namespace { + +static constexpr auto SNORM = ComponentType::SNORM; +static constexpr auto UNORM = ComponentType::UNORM; +static constexpr auto SINT = ComponentType::SINT; +static constexpr auto UINT = ComponentType::UINT; +static constexpr auto SNORM_FORCE_FP16 = ComponentType::SNORM_FORCE_FP16; +static constexpr auto UNORM_FORCE_FP16 = ComponentType::UNORM_FORCE_FP16; +static constexpr auto FLOAT = ComponentType::FLOAT; +static constexpr bool C = false; // Normal color +static constexpr bool S = true; // Srgb + +struct Table { + constexpr Table(TextureFormat texture_format, bool is_srgb, ComponentType red_component, + ComponentType green_component, ComponentType blue_component, + ComponentType alpha_component, PixelFormat pixel_format) + : texture_format{static_cast<u32>(texture_format)}, + pixel_format{static_cast<u32>(pixel_format)}, red_component{static_cast<u32>( + red_component)}, + green_component{static_cast<u32>(green_component)}, blue_component{static_cast<u32>( + blue_component)}, + alpha_component{static_cast<u32>(alpha_component)}, is_srgb{is_srgb ? 1U : 0U} {} + + u32 texture_format : 8; + u32 pixel_format : 8; + u32 red_component : 3; + u32 green_component : 3; + u32 blue_component : 3; + u32 alpha_component : 3; + u32 is_srgb : 1; +}; +constexpr std::array<Table, 74> DefinitionTable = {{ + {TextureFormat::A8R8G8B8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ABGR8U}, + {TextureFormat::A8R8G8B8, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::ABGR8S}, + {TextureFormat::A8R8G8B8, C, UINT, UINT, UINT, UINT, PixelFormat::ABGR8UI}, + {TextureFormat::A8R8G8B8, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::RGBA8_SRGB}, + + {TextureFormat::B5G6R5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::B5G6R5U}, + + {TextureFormat::A2B10G10R10, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::A2B10G10R10U}, + + {TextureFormat::A1B5G5R5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::A1B5G5R5U}, + + {TextureFormat::A4B4G4R4, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::R4G4B4A4U}, + + {TextureFormat::R8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::R8U}, + {TextureFormat::R8, C, UINT, UINT, UINT, UINT, PixelFormat::R8UI}, + + {TextureFormat::G8R8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::RG8U}, + {TextureFormat::G8R8, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::RG8S}, + + {TextureFormat::R16_G16_B16_A16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::RGBA16U}, + {TextureFormat::R16_G16_B16_A16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RGBA16F}, + {TextureFormat::R16_G16_B16_A16, C, UINT, UINT, UINT, UINT, PixelFormat::RGBA16UI}, + + {TextureFormat::R16_G16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RG16F}, + {TextureFormat::R16_G16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::RG16}, + {TextureFormat::R16_G16, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::RG16S}, + {TextureFormat::R16_G16, C, UINT, UINT, UINT, UINT, PixelFormat::RG16UI}, + {TextureFormat::R16_G16, C, SINT, SINT, SINT, SINT, PixelFormat::RG16I}, + + {TextureFormat::R16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::R16F}, + {TextureFormat::R16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::R16U}, + {TextureFormat::R16, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::R16S}, + {TextureFormat::R16, C, UINT, UINT, UINT, UINT, PixelFormat::R16UI}, + {TextureFormat::R16, C, SINT, SINT, SINT, SINT, PixelFormat::R16I}, + + {TextureFormat::BF10GF11RF11, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::R11FG11FB10F}, + + {TextureFormat::R32_G32_B32_A32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RGBA32F}, + {TextureFormat::R32_G32_B32_A32, C, UINT, UINT, UINT, UINT, PixelFormat::RGBA32UI}, + + {TextureFormat::R32_G32_B32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RGB32F}, + + {TextureFormat::R32_G32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::RG32F}, + {TextureFormat::R32_G32, C, UINT, UINT, UINT, UINT, PixelFormat::RG32UI}, + + {TextureFormat::R32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::R32F}, + {TextureFormat::R32, C, UINT, UINT, UINT, UINT, PixelFormat::R32UI}, + + {TextureFormat::E5B9G9R9_SHAREDEXP, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::E5B9G9R9F}, + + {TextureFormat::ZF32, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::Z32F}, + {TextureFormat::Z16, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::Z16}, + {TextureFormat::S8Z24, C, UINT, UNORM, UNORM, UNORM, PixelFormat::S8Z24}, + {TextureFormat::ZF32_X24S8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::Z32FS8}, + + {TextureFormat::DXT1, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT1}, + {TextureFormat::DXT1, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT1_SRGB}, + + {TextureFormat::DXT23, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT23}, + {TextureFormat::DXT23, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT23_SRGB}, + + {TextureFormat::DXT45, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT45}, + {TextureFormat::DXT45, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXT45_SRGB}, + + // TODO: Use a different pixel format for SNORM + {TextureFormat::DXN1, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXN1}, + {TextureFormat::DXN1, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::DXN1}, + + {TextureFormat::DXN2, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::DXN2UNORM}, + {TextureFormat::DXN2, C, SNORM, SNORM, SNORM, SNORM, PixelFormat::DXN2SNORM}, + + {TextureFormat::BC7U, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::BC7U}, + {TextureFormat::BC7U, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::BC7U_SRGB}, + + {TextureFormat::BC6H_SF16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::BC6H_SF16}, + {TextureFormat::BC6H_UF16, C, FLOAT, FLOAT, FLOAT, FLOAT, PixelFormat::BC6H_UF16}, + + {TextureFormat::ASTC_2D_4X4, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_4X4}, + {TextureFormat::ASTC_2D_4X4, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_4X4_SRGB}, + + {TextureFormat::ASTC_2D_5X4, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X4}, + {TextureFormat::ASTC_2D_5X4, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X4_SRGB}, + + {TextureFormat::ASTC_2D_5X5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X5}, + {TextureFormat::ASTC_2D_5X5, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_5X5_SRGB}, + + {TextureFormat::ASTC_2D_8X8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X8}, + {TextureFormat::ASTC_2D_8X8, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X8_SRGB}, + + {TextureFormat::ASTC_2D_8X5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X5}, + {TextureFormat::ASTC_2D_8X5, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X5_SRGB}, + + {TextureFormat::ASTC_2D_10X8, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X8}, + {TextureFormat::ASTC_2D_10X8, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X8_SRGB}, + + {TextureFormat::ASTC_2D_6X6, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X6}, + {TextureFormat::ASTC_2D_6X6, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X6_SRGB}, + + {TextureFormat::ASTC_2D_10X10, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X10}, + {TextureFormat::ASTC_2D_10X10, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_10X10_SRGB}, + + {TextureFormat::ASTC_2D_12X12, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_12X12}, + {TextureFormat::ASTC_2D_12X12, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_12X12_SRGB}, + + {TextureFormat::ASTC_2D_8X6, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X6}, + {TextureFormat::ASTC_2D_8X6, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_8X6_SRGB}, + + {TextureFormat::ASTC_2D_6X5, C, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X5}, + {TextureFormat::ASTC_2D_6X5, S, UNORM, UNORM, UNORM, UNORM, PixelFormat::ASTC_2D_6X5_SRGB}, +}}; + +} // Anonymous namespace + +FormatLookupTable::FormatLookupTable() { + table.fill(static_cast<u8>(PixelFormat::Invalid)); + + for (const auto entry : DefinitionTable) { + table[CalculateIndex(static_cast<TextureFormat>(entry.texture_format), entry.is_srgb != 0, + static_cast<ComponentType>(entry.red_component), + static_cast<ComponentType>(entry.green_component), + static_cast<ComponentType>(entry.blue_component), + static_cast<ComponentType>(entry.alpha_component))] = + static_cast<u8>(entry.pixel_format); + } +} + +PixelFormat FormatLookupTable::GetPixelFormat(TextureFormat format, bool is_srgb, + ComponentType red_component, + ComponentType green_component, + ComponentType blue_component, + ComponentType alpha_component) const noexcept { + const auto pixel_format = static_cast<PixelFormat>(table[CalculateIndex( + format, is_srgb, red_component, green_component, blue_component, alpha_component)]); + // [[likely]] + if (pixel_format != PixelFormat::Invalid) { + return pixel_format; + } + UNIMPLEMENTED_MSG("texture format={} srgb={} components={{{} {} {} {}}}", + static_cast<int>(format), is_srgb, static_cast<int>(red_component), + static_cast<int>(green_component), static_cast<int>(blue_component), + static_cast<int>(alpha_component)); + return PixelFormat::ABGR8U; +} + +void FormatLookupTable::Set(TextureFormat format, bool is_srgb, ComponentType red_component, + ComponentType green_component, ComponentType blue_component, + ComponentType alpha_component, PixelFormat pixel_format) {} + +std::size_t FormatLookupTable::CalculateIndex(TextureFormat format, bool is_srgb, + ComponentType red_component, + ComponentType green_component, + ComponentType blue_component, + ComponentType alpha_component) noexcept { + const auto format_index = static_cast<std::size_t>(format); + const auto red_index = static_cast<std::size_t>(red_component); + const auto green_index = static_cast<std::size_t>(red_component); + const auto blue_index = static_cast<std::size_t>(red_component); + const auto alpha_index = static_cast<std::size_t>(red_component); + const std::size_t srgb_index = is_srgb ? 1 : 0; + + return format_index * PerFormat + + srgb_index * PerComponent * PerComponent * PerComponent * PerComponent + + alpha_index * PerComponent * PerComponent * PerComponent + + blue_index * PerComponent * PerComponent + green_index * PerComponent + red_index; +} + +} // namespace VideoCommon |