d3d_format.cpp (6115B)
1 // 2 // Copyright 2020 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // d3d_format: Describes a D3D9 format. Used by the D3D9 and GL back-ends. 7 8 #include "libANGLE/renderer/d3d_format.h" 9 10 using namespace angle; 11 12 namespace rx 13 { 14 namespace d3d9 15 { 16 namespace 17 { 18 constexpr D3DFORMAT D3DFMT_INTZ = ((D3DFORMAT)(MAKEFOURCC('I', 'N', 'T', 'Z'))); 19 constexpr D3DFORMAT D3DFMT_NULL = ((D3DFORMAT)(MAKEFOURCC('N', 'U', 'L', 'L'))); 20 } // anonymous namespace 21 22 D3DFormat::D3DFormat() 23 : pixelBytes(0), 24 blockWidth(0), 25 blockHeight(0), 26 redBits(0), 27 greenBits(0), 28 blueBits(0), 29 alphaBits(0), 30 luminanceBits(0), 31 depthBits(0), 32 stencilBits(0), 33 formatID(angle::FormatID::NONE) 34 {} 35 36 D3DFormat::D3DFormat(GLuint bits, 37 GLuint blockWidth, 38 GLuint blockHeight, 39 GLuint redBits, 40 GLuint greenBits, 41 GLuint blueBits, 42 GLuint alphaBits, 43 GLuint lumBits, 44 GLuint depthBits, 45 GLuint stencilBits, 46 FormatID formatID) 47 : pixelBytes(bits / 8), 48 blockWidth(blockWidth), 49 blockHeight(blockHeight), 50 redBits(redBits), 51 greenBits(greenBits), 52 blueBits(blueBits), 53 alphaBits(alphaBits), 54 luminanceBits(lumBits), 55 depthBits(depthBits), 56 stencilBits(stencilBits), 57 formatID(formatID) 58 {} 59 60 const D3DFormat &GetD3DFormatInfo(D3DFORMAT format) 61 { 62 if (format == D3DFMT_NULL) 63 { 64 static const D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FormatID::NONE); 65 return info; 66 } 67 68 if (format == D3DFMT_INTZ) 69 { 70 static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8, FormatID::D24_UNORM_S8_UINT); 71 return info; 72 } 73 74 switch (format) 75 { 76 case D3DFMT_UNKNOWN: 77 { 78 static const D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FormatID::NONE); 79 return info; 80 } 81 82 case D3DFMT_L8: 83 { 84 static const D3DFormat info(8, 1, 1, 0, 0, 0, 0, 8, 0, 0, FormatID::L8_UNORM); 85 return info; 86 } 87 case D3DFMT_A8: 88 { 89 static const D3DFormat info(8, 1, 1, 0, 0, 0, 8, 0, 0, 0, FormatID::A8_UNORM); 90 return info; 91 } 92 case D3DFMT_A8L8: 93 { 94 static const D3DFormat info(16, 1, 1, 0, 0, 0, 8, 8, 0, 0, FormatID::L8A8_UNORM); 95 return info; 96 } 97 98 case D3DFMT_A4R4G4B4: 99 { 100 static const D3DFormat info(16, 1, 1, 4, 4, 4, 4, 0, 0, 0, FormatID::B4G4R4A4_UNORM); 101 return info; 102 } 103 case D3DFMT_A1R5G5B5: 104 { 105 static const D3DFormat info(16, 1, 1, 5, 5, 5, 1, 0, 0, 0, FormatID::B5G5R5A1_UNORM); 106 return info; 107 } 108 case D3DFMT_R5G6B5: 109 { 110 static const D3DFormat info(16, 1, 1, 5, 6, 5, 0, 0, 0, 0, FormatID::R5G6B5_UNORM); 111 return info; 112 } 113 case D3DFMT_X8R8G8B8: 114 { 115 static const D3DFormat info(32, 1, 1, 8, 8, 8, 0, 0, 0, 0, FormatID::B8G8R8X8_UNORM); 116 return info; 117 } 118 case D3DFMT_A8R8G8B8: 119 { 120 static const D3DFormat info(32, 1, 1, 8, 8, 8, 8, 0, 0, 0, FormatID::B8G8R8A8_UNORM); 121 return info; 122 } 123 124 case D3DFMT_R16F: 125 { 126 static const D3DFormat info(16, 1, 1, 16, 0, 0, 0, 0, 0, 0, FormatID::R16_FLOAT); 127 return info; 128 } 129 case D3DFMT_G16R16F: 130 { 131 static const D3DFormat info(32, 1, 1, 16, 16, 0, 0, 0, 0, 0, FormatID::R16G16_FLOAT); 132 return info; 133 } 134 case D3DFMT_A16B16G16R16F: 135 { 136 static const D3DFormat info(64, 1, 1, 16, 16, 16, 16, 0, 0, 0, 137 FormatID::R16G16B16A16_FLOAT); 138 return info; 139 } 140 case D3DFMT_R32F: 141 { 142 static const D3DFormat info(32, 1, 1, 32, 0, 0, 0, 0, 0, 0, FormatID::R32_FLOAT); 143 return info; 144 } 145 case D3DFMT_G32R32F: 146 { 147 static const D3DFormat info(64, 1, 1, 32, 32, 0, 0, 0, 0, 0, FormatID::R32G32_FLOAT); 148 return info; 149 } 150 case D3DFMT_A32B32G32R32F: 151 { 152 static const D3DFormat info(128, 1, 1, 32, 32, 32, 32, 0, 0, 0, 153 FormatID::R32G32B32A32_FLOAT); 154 return info; 155 } 156 157 case D3DFMT_D16: 158 { 159 static const D3DFormat info(16, 1, 1, 0, 0, 0, 0, 0, 16, 0, FormatID::D16_UNORM); 160 return info; 161 } 162 case D3DFMT_D24S8: 163 { 164 static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8, 165 FormatID::D24_UNORM_S8_UINT); 166 return info; 167 } 168 case D3DFMT_D24X8: 169 { 170 static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 0, FormatID::D16_UNORM); 171 return info; 172 } 173 case D3DFMT_D32: 174 { 175 static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 32, 0, FormatID::D32_UNORM); 176 return info; 177 } 178 179 case D3DFMT_DXT1: 180 { 181 static const D3DFormat info(64, 4, 4, 0, 0, 0, 0, 0, 0, 0, 182 FormatID::BC1_RGBA_UNORM_BLOCK); 183 return info; 184 } 185 case D3DFMT_DXT3: 186 { 187 static const D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0, 188 FormatID::BC2_RGBA_UNORM_BLOCK); 189 return info; 190 } 191 case D3DFMT_DXT5: 192 { 193 static const D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0, 194 FormatID::BC3_RGBA_UNORM_BLOCK); 195 return info; 196 } 197 198 default: 199 { 200 static const D3DFormat defaultInfo; 201 return defaultInfo; 202 } 203 } 204 } 205 } // namespace d3d9 206 } // namespace rx