mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-07-04 23:31:19 +01:00
7853e6b5d4
In some constexpr functions, msvc is building the LUT at runtime (pushing each element onto the stack) out of an abundance of caution. Moving the arrays into be file-scoped constexpr's avoids this and turns the functions into simple look-ups as intended.
479 lines
10 KiB
C++
479 lines
10 KiB
C++
// Copyright 2014 Citra 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 <climits>
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#include <utility>
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#include "common/assert.h"
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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/gpu.h"
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#include "video_core/textures/texture.h"
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namespace VideoCore::Surface {
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enum class PixelFormat {
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ABGR8U = 0,
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ABGR8S = 1,
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ABGR8UI = 2,
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B5G6R5U = 3,
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A2B10G10R10U = 4,
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A1B5G5R5U = 5,
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R8U = 6,
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R8UI = 7,
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RGBA16F = 8,
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RGBA16U = 9,
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RGBA16UI = 10,
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R11FG11FB10F = 11,
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RGBA32UI = 12,
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DXT1 = 13,
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DXT23 = 14,
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DXT45 = 15,
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DXN1 = 16, // This is also known as BC4
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DXN2UNORM = 17,
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DXN2SNORM = 18,
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BC7U = 19,
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BC6H_UF16 = 20,
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BC6H_SF16 = 21,
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ASTC_2D_4X4 = 22,
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G8R8U = 23,
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G8R8S = 24,
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BGRA8 = 25,
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RGBA32F = 26,
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RG32F = 27,
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R32F = 28,
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R16F = 29,
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R16U = 30,
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R16S = 31,
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R16UI = 32,
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R16I = 33,
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RG16 = 34,
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RG16F = 35,
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RG16UI = 36,
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RG16I = 37,
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RG16S = 38,
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RGB32F = 39,
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RGBA8_SRGB = 40,
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RG8U = 41,
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RG8S = 42,
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RG32UI = 43,
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R32UI = 44,
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ASTC_2D_8X8 = 45,
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ASTC_2D_8X5 = 46,
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ASTC_2D_5X4 = 47,
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BGRA8_SRGB = 48,
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DXT1_SRGB = 49,
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DXT23_SRGB = 50,
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DXT45_SRGB = 51,
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BC7U_SRGB = 52,
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ASTC_2D_4X4_SRGB = 53,
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ASTC_2D_8X8_SRGB = 54,
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ASTC_2D_8X5_SRGB = 55,
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ASTC_2D_5X4_SRGB = 56,
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ASTC_2D_5X5 = 57,
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ASTC_2D_5X5_SRGB = 58,
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ASTC_2D_10X8 = 59,
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ASTC_2D_10X8_SRGB = 60,
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MaxColorFormat,
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// Depth formats
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Z32F = 61,
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Z16 = 62,
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MaxDepthFormat,
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// DepthStencil formats
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Z24S8 = 63,
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S8Z24 = 64,
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Z32FS8 = 65,
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MaxDepthStencilFormat,
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Max = MaxDepthStencilFormat,
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Invalid = 255,
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};
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static constexpr std::size_t MaxPixelFormat = static_cast<std::size_t>(PixelFormat::Max);
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enum class ComponentType {
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Invalid = 0,
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SNorm = 1,
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UNorm = 2,
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SInt = 3,
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UInt = 4,
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Float = 5,
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};
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enum class SurfaceType {
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ColorTexture = 0,
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Depth = 1,
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DepthStencil = 2,
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Fill = 3,
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Invalid = 4,
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};
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enum class SurfaceTarget {
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Texture1D,
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Texture2D,
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Texture3D,
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Texture1DArray,
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Texture2DArray,
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TextureCubemap,
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TextureCubeArray,
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};
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constexpr std::array<u32, MaxPixelFormat> compression_factor_table = {{
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1, // ABGR8U
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1, // ABGR8S
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1, // ABGR8UI
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1, // B5G6R5U
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1, // A2B10G10R10U
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1, // A1B5G5R5U
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1, // R8U
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1, // R8UI
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1, // RGBA16F
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1, // RGBA16U
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1, // RGBA16UI
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1, // R11FG11FB10F
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1, // RGBA32UI
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4, // DXT1
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4, // DXT23
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4, // DXT45
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4, // DXN1
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4, // DXN2UNORM
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4, // DXN2SNORM
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4, // BC7U
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4, // BC6H_UF16
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4, // BC6H_SF16
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4, // ASTC_2D_4X4
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1, // G8R8U
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1, // G8R8S
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1, // BGRA8
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1, // RGBA32F
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1, // RG32F
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1, // R32F
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1, // R16F
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1, // R16U
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1, // R16S
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1, // R16UI
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1, // R16I
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1, // RG16
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1, // RG16F
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1, // RG16UI
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1, // RG16I
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1, // RG16S
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1, // RGB32F
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1, // RGBA8_SRGB
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1, // RG8U
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1, // RG8S
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1, // RG32UI
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1, // R32UI
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4, // ASTC_2D_8X8
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4, // ASTC_2D_8X5
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4, // ASTC_2D_5X4
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1, // BGRA8_SRGB
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4, // DXT1_SRGB
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4, // DXT23_SRGB
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4, // DXT45_SRGB
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4, // BC7U_SRGB
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4, // ASTC_2D_4X4_SRGB
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4, // ASTC_2D_8X8_SRGB
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4, // ASTC_2D_8X5_SRGB
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4, // ASTC_2D_5X4_SRGB
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4, // ASTC_2D_5X5
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4, // ASTC_2D_5X5_SRGB
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4, // ASTC_2D_10X8
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4, // ASTC_2D_10X8_SRGB
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1, // Z32F
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1, // Z16
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1, // Z24S8
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1, // S8Z24
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1, // Z32FS8
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}};
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/**
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* Gets the compression factor for the specified PixelFormat. This applies to just the
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* "compressed width" and "compressed height", not the overall compression factor of a
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* compressed image. This is used for maintaining proper surface sizes for compressed
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* texture formats.
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*/
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static constexpr u32 GetCompressionFactor(PixelFormat format) {
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if (format == PixelFormat::Invalid)
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return 0;
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ASSERT(static_cast<std::size_t>(format) < compression_factor_table.size());
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return compression_factor_table[static_cast<std::size_t>(format)];
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}
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constexpr std::array<u32, MaxPixelFormat> block_width_table = {{
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1, // ABGR8U
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1, // ABGR8S
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1, // ABGR8UI
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1, // B5G6R5U
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1, // A2B10G10R10U
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1, // A1B5G5R5U
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1, // R8U
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1, // R8UI
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1, // RGBA16F
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1, // RGBA16U
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1, // RGBA16UI
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1, // R11FG11FB10F
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1, // RGBA32UI
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4, // DXT1
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4, // DXT23
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4, // DXT45
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4, // DXN1
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4, // DXN2UNORM
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4, // DXN2SNORM
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4, // BC7U
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4, // BC6H_UF16
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4, // BC6H_SF16
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4, // ASTC_2D_4X4
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1, // G8R8U
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1, // G8R8S
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1, // BGRA8
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1, // RGBA32F
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1, // RG32F
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1, // R32F
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1, // R16F
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1, // R16U
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1, // R16S
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1, // R16UI
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1, // R16I
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1, // RG16
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1, // RG16F
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1, // RG16UI
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1, // RG16I
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1, // RG16S
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1, // RGB32F
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1, // RGBA8_SRGB
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1, // RG8U
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1, // RG8S
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1, // RG32UI
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1, // R32UI
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8, // ASTC_2D_8X8
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8, // ASTC_2D_8X5
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5, // ASTC_2D_5X4
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1, // BGRA8_SRGB
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4, // DXT1_SRGB
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4, // DXT23_SRGB
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4, // DXT45_SRGB
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4, // BC7U_SRGB
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4, // ASTC_2D_4X4_SRGB
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8, // ASTC_2D_8X8_SRGB
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8, // ASTC_2D_8X5_SRGB
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5, // ASTC_2D_5X4_SRGB
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5, // ASTC_2D_5X5
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5, // ASTC_2D_5X5_SRGB
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10, // ASTC_2D_10X8
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10, // ASTC_2D_10X8_SRGB
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1, // Z32F
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1, // Z16
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1, // Z24S8
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1, // S8Z24
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1, // Z32FS8
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}};
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static constexpr u32 GetDefaultBlockWidth(PixelFormat format) {
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if (format == PixelFormat::Invalid)
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return 0;
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ASSERT(static_cast<std::size_t>(format) < block_width_table.size());
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return block_width_table[static_cast<std::size_t>(format)];
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}
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constexpr std::array<u32, MaxPixelFormat> block_height_table = {{
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1, // ABGR8U
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1, // ABGR8S
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1, // ABGR8UI
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1, // B5G6R5U
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1, // A2B10G10R10U
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1, // A1B5G5R5U
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1, // R8U
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1, // R8UI
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1, // RGBA16F
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1, // RGBA16U
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1, // RGBA16UI
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1, // R11FG11FB10F
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1, // RGBA32UI
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4, // DXT1
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4, // DXT23
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4, // DXT45
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4, // DXN1
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4, // DXN2UNORM
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4, // DXN2SNORM
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4, // BC7U
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4, // BC6H_UF16
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4, // BC6H_SF16
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4, // ASTC_2D_4X4
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1, // G8R8U
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1, // G8R8S
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1, // BGRA8
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1, // RGBA32F
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1, // RG32F
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1, // R32F
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1, // R16F
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1, // R16U
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1, // R16S
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1, // R16UI
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1, // R16I
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1, // RG16
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1, // RG16F
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1, // RG16UI
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1, // RG16I
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1, // RG16S
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1, // RGB32F
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1, // RGBA8_SRGB
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1, // RG8U
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1, // RG8S
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1, // RG32UI
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1, // R32UI
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8, // ASTC_2D_8X8
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5, // ASTC_2D_8X5
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4, // ASTC_2D_5X4
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1, // BGRA8_SRGB
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4, // DXT1_SRGB
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4, // DXT23_SRGB
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4, // DXT45_SRGB
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4, // BC7U_SRGB
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4, // ASTC_2D_4X4_SRGB
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8, // ASTC_2D_8X8_SRGB
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5, // ASTC_2D_8X5_SRGB
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4, // ASTC_2D_5X4_SRGB
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5, // ASTC_2D_5X5
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5, // ASTC_2D_5X5_SRGB
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8, // ASTC_2D_10X8
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8, // ASTC_2D_10X8_SRGB
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1, // Z32F
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1, // Z16
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1, // Z24S8
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1, // S8Z24
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1, // Z32FS8
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}};
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static constexpr u32 GetDefaultBlockHeight(PixelFormat format) {
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if (format == PixelFormat::Invalid)
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return 0;
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ASSERT(static_cast<std::size_t>(format) < block_height_table.size());
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return block_height_table[static_cast<std::size_t>(format)];
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}
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constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
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32, // ABGR8U
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32, // ABGR8S
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32, // ABGR8UI
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16, // B5G6R5U
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32, // A2B10G10R10U
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16, // A1B5G5R5U
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8, // R8U
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8, // R8UI
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64, // RGBA16F
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64, // RGBA16U
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64, // RGBA16UI
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32, // R11FG11FB10F
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128, // RGBA32UI
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64, // DXT1
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128, // DXT23
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128, // DXT45
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64, // DXN1
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128, // DXN2UNORM
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128, // DXN2SNORM
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128, // BC7U
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128, // BC6H_UF16
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128, // BC6H_SF16
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128, // ASTC_2D_4X4
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16, // G8R8U
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16, // G8R8S
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32, // BGRA8
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128, // RGBA32F
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64, // RG32F
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32, // R32F
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16, // R16F
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16, // R16U
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16, // R16S
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16, // R16UI
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16, // R16I
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32, // RG16
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32, // RG16F
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32, // RG16UI
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32, // RG16I
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32, // RG16S
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96, // RGB32F
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32, // RGBA8_SRGB
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16, // RG8U
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16, // RG8S
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64, // RG32UI
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32, // R32UI
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128, // ASTC_2D_8X8
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128, // ASTC_2D_8X5
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128, // ASTC_2D_5X4
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32, // BGRA8_SRGB
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64, // DXT1_SRGB
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128, // DXT23_SRGB
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128, // DXT45_SRGB
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128, // BC7U
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128, // ASTC_2D_4X4_SRGB
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128, // ASTC_2D_8X8_SRGB
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128, // ASTC_2D_8X5_SRGB
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128, // ASTC_2D_5X4_SRGB
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128, // ASTC_2D_5X5
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128, // ASTC_2D_5X5_SRGB
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128, // ASTC_2D_10X8
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128, // ASTC_2D_10X8_SRGB
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32, // Z32F
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16, // Z16
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32, // Z24S8
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32, // S8Z24
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64, // Z32FS8
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}};
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static constexpr u32 GetFormatBpp(PixelFormat format) {
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if (format == PixelFormat::Invalid)
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return 0;
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ASSERT(static_cast<std::size_t>(format) < bpp_table.size());
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return bpp_table[static_cast<std::size_t>(format)];
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}
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/// Returns the sizer in bytes of the specified pixel format
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static constexpr u32 GetBytesPerPixel(PixelFormat pixel_format) {
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if (pixel_format == PixelFormat::Invalid) {
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return 0;
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}
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return GetFormatBpp(pixel_format) / CHAR_BIT;
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}
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SurfaceTarget SurfaceTargetFromTextureType(Tegra::Texture::TextureType texture_type);
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bool SurfaceTargetIsLayered(SurfaceTarget target);
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PixelFormat PixelFormatFromDepthFormat(Tegra::DepthFormat format);
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PixelFormat PixelFormatFromRenderTargetFormat(Tegra::RenderTargetFormat format);
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PixelFormat PixelFormatFromTextureFormat(Tegra::Texture::TextureFormat format,
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Tegra::Texture::ComponentType component_type,
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bool is_srgb);
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ComponentType ComponentTypeFromTexture(Tegra::Texture::ComponentType type);
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ComponentType ComponentTypeFromRenderTarget(Tegra::RenderTargetFormat format);
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PixelFormat PixelFormatFromGPUPixelFormat(Tegra::FramebufferConfig::PixelFormat format);
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ComponentType ComponentTypeFromDepthFormat(Tegra::DepthFormat format);
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SurfaceType GetFormatType(PixelFormat pixel_format);
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bool IsPixelFormatASTC(PixelFormat format);
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std::pair<u32, u32> GetASTCBlockSize(PixelFormat format);
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/// Returns true if the specified PixelFormat is a BCn format, e.g. DXT or DXN
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bool IsFormatBCn(PixelFormat format);
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} // namespace VideoCore::Surface
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