1 // 2 // Copyright (c) 2013 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 7 // loadimage.h: Defines image loading functions 8 9 #ifndef LIBGLESV2_RENDERER_LOADIMAGE_H_ 10 #define LIBGLESV2_RENDERER_LOADIMAGE_H_ 11 12 #include "common/mathutil.h" 13 14 namespace rx 15 { 16 17 template <typename T> 18 inline static T *offsetDataPointer(void *data, int y, int z, int rowPitch, int depthPitch) 19 { 20 return reinterpret_cast<T*>(reinterpret_cast<unsigned char*>(data) + (y * rowPitch) + (z * depthPitch)); 21 } 22 23 template <typename T> 24 inline static const T *offsetDataPointer(const void *data, int y, int z, int rowPitch, int depthPitch) 25 { 26 return reinterpret_cast<const T*>(reinterpret_cast<const unsigned char*>(data) + (y * rowPitch) + (z * depthPitch)); 27 } 28 29 void loadAlphaDataToBGRA(int width, int height, int depth, 30 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 31 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 32 33 void loadAlphaDataToNative(int width, int height, int depth, 34 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 35 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 36 37 void loadAlphaDataToBGRASSE2(int width, int height, int depth, 38 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 39 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 40 41 void loadAlphaFloatDataToRGBA(int width, int height, int depth, 42 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 43 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 44 45 void loadAlphaHalfFloatDataToRGBA(int width, int height, int depth, 46 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 47 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 48 49 void loadLuminanceDataToNative(int width, int height, int depth, 50 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 51 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 52 53 void loadLuminanceDataToBGRA(int width, int height, int depth, 54 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 55 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 56 57 void loadLuminanceFloatDataToRGBA(int width, int height, int depth, 58 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 59 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 60 61 void loadLuminanceFloatDataToRGB(int width, int height, int depth, 62 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 63 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 64 65 void loadLuminanceHalfFloatDataToRGBA(int width, int height, int depth, 66 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 67 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 68 69 void loadLuminanceAlphaDataToNative(int width, int height, int depth, 70 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 71 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 72 73 void loadLuminanceAlphaDataToBGRA(int width, int height, int depth, 74 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 75 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 76 77 void loadLuminanceAlphaFloatDataToRGBA(int width, int height, int depth, 78 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 79 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 80 81 void loadLuminanceAlphaHalfFloatDataToRGBA(int width, int height, int depth, 82 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 83 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 84 85 void loadRGBUByteDataToBGRX(int width, int height, int depth, 86 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 87 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 88 89 void loadRGUByteDataToBGRX(int width, int height, int depth, 90 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 91 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 92 93 void loadRUByteDataToBGRX(int width, int height, int depth, 94 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 95 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 96 97 void loadRGBUByteDataToRGBA(int width, int height, int depth, 98 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 99 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 100 101 void loadRGBSByteDataToRGBA(int width, int height, int depth, 102 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 103 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 104 105 void loadRGB565DataToBGRA(int width, int height, int depth, 106 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 107 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 108 109 void loadRGB565DataToRGBA(int width, int height, int depth, 110 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 111 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 112 113 void loadRGBFloatDataToRGBA(int width, int height, int depth, 114 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 115 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 116 117 void loadRGBFloatDataToNative(int width, int height, int depth, 118 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 119 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 120 121 void loadRGBHalfFloatDataToRGBA(int width, int height, int depth, 122 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 123 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 124 125 void loadRGBAUByteDataToBGRASSE2(int width, int height, int depth, 126 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 127 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 128 129 void loadRGBAUByteDataToBGRA(int width, int height, int depth, 130 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 131 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 132 133 void loadRGBAUByteDataToNative(int width, int height, int depth, 134 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 135 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 136 137 void loadRGBA4444DataToBGRA(int width, int height, int depth, 138 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 139 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 140 141 void loadRGBA4444DataToRGBA(int width, int height, int depth, 142 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 143 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 144 145 void loadRGBA5551DataToBGRA(int width, int height, int depth, 146 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 147 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 148 149 void loadRGBA5551DataToRGBA(int width, int height, int depth, 150 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 151 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 152 153 void loadRGBAFloatDataToRGBA(int width, int height, int depth, 154 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 155 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 156 157 void loadRGBAHalfFloatDataToRGBA(int width, int height, int depth, 158 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 159 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 160 161 void loadBGRADataToBGRA(int width, int height, int depth, 162 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 163 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 164 165 void loadRGBA2101010ToNative(int width, int height, int depth, 166 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 167 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 168 169 void loadRGBA2101010ToRGBA(int width, int height, int depth, 170 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 171 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 172 173 void loadRGBHalfFloatDataTo999E5(int width, int height, int depth, 174 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 175 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 176 177 void loadRGBFloatDataTo999E5(int width, int height, int depth, 178 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 179 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 180 181 void loadRGBHalfFloatDataTo111110Float(int width, int height, int depth, 182 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 183 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 184 185 void loadRGBFloatDataTo111110Float(int width, int height, int depth, 186 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 187 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 188 189 void loadG8R24DataToR24G8(int width, int height, int depth, 190 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 191 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 192 193 template <typename type, unsigned int componentCount> 194 void loadToNative(int width, int height, int depth, 195 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 196 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) 197 { 198 const unsigned int rowSize = width * sizeof(type) * componentCount; 199 const unsigned int layerSize = rowSize * height; 200 const unsigned int imageSize = layerSize * depth; 201 202 if (layerSize == inputDepthPitch && layerSize == outputDepthPitch) 203 { 204 ASSERT(rowSize == inputRowPitch && rowSize == outputRowPitch); 205 memcpy(output, input, imageSize); 206 } 207 else if (rowSize == inputRowPitch && rowSize == outputRowPitch) 208 { 209 for (int z = 0; z < depth; z++) 210 { 211 const type *source = offsetDataPointer<type>(input, 0, z, inputRowPitch, inputDepthPitch); 212 type *dest = offsetDataPointer<type>(output, 0, z, outputRowPitch, outputDepthPitch); 213 214 memcpy(dest, source, layerSize); 215 } 216 } 217 else 218 { 219 for (int z = 0; z < depth; z++) 220 { 221 for (int y = 0; y < height; y++) 222 { 223 const type *source = offsetDataPointer<type>(input, y, z, inputRowPitch, inputDepthPitch); 224 type *dest = offsetDataPointer<type>(output, y, z, outputRowPitch, outputDepthPitch); 225 memcpy(dest, source, width * sizeof(type) * componentCount); 226 } 227 } 228 } 229 } 230 231 template <typename type, unsigned int fourthComponentBits> 232 void loadToNative3To4(int width, int height, int depth, 233 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 234 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) 235 { 236 const type *source = NULL; 237 type *dest = NULL; 238 239 const unsigned int fourthBits = fourthComponentBits; 240 const type fourthValue = *reinterpret_cast<const type*>(&fourthBits); 241 242 for (int z = 0; z < depth; z++) 243 { 244 for (int y = 0; y < height; y++) 245 { 246 source = offsetDataPointer<type>(input, y, z, inputRowPitch, inputDepthPitch); 247 dest = offsetDataPointer<type>(output, y, z, outputRowPitch, outputDepthPitch); 248 249 for (int x = 0; x < width; x++) 250 { 251 dest[x * 4 + 0] = source[x * 3 + 0]; 252 dest[x * 4 + 1] = source[x * 3 + 1]; 253 dest[x * 4 + 2] = source[x * 3 + 2]; 254 dest[x * 4 + 3] = fourthValue; 255 } 256 } 257 } 258 } 259 260 template <unsigned int componentCount> 261 void loadFloatDataToHalfFloat(int width, int height, int depth, 262 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 263 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) 264 { 265 const float *source = NULL; 266 unsigned short *dest = NULL; 267 268 const int elementWidth = componentCount * width; 269 270 for (int z = 0; z < depth; z++) 271 { 272 for (int y = 0; y < height; y++) 273 { 274 source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch); 275 dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch); 276 277 for (int x = 0; x < elementWidth; x++) 278 { 279 dest[x] = gl::float32ToFloat16(source[x]); 280 } 281 } 282 } 283 } 284 285 void loadFloatRGBDataToHalfFloatRGBA(int width, int height, int depth, 286 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 287 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 288 289 template <unsigned int blockWidth, unsigned int blockHeight, unsigned int blockSize> 290 void loadCompressedBlockDataToNative(int width, int height, int depth, 291 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 292 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) 293 { 294 int columns = (width + (blockWidth - 1)) / blockWidth; 295 int rows = (height + (blockHeight - 1)) / blockHeight; 296 297 for (int z = 0; z < depth; ++z) 298 { 299 for (int y = 0; y < rows; ++y) 300 { 301 void *source = (void*)((char*)input + y * inputRowPitch + z * inputDepthPitch); 302 void *dest = (void*)((char*)output + y * outputRowPitch + z * outputDepthPitch); 303 304 memcpy(dest, source, columns * blockSize); 305 } 306 } 307 } 308 309 void loadUintDataToUshort(int width, int height, int depth, 310 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch, 311 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch); 312 313 template <typename type, unsigned int firstBits, unsigned int secondBits, unsigned int thirdBits, unsigned int fourthBits> 314 void initialize4ComponentData(int width, int height, int depth, 315 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch) 316 { 317 unsigned int writeBits[4] = { firstBits, secondBits, thirdBits, fourthBits }; 318 type writeValues[4] = { *reinterpret_cast<const type*>(&writeBits[0]), 319 *reinterpret_cast<const type*>(&writeBits[1]), 320 *reinterpret_cast<const type*>(&writeBits[2]), 321 *reinterpret_cast<const type*>(&writeBits[3]) }; 322 323 for (int z = 0; z < depth; z++) 324 { 325 for (int y = 0; y < height; y++) 326 { 327 type* destRow = offsetDataPointer<type>(output, y, z, outputRowPitch, outputDepthPitch); 328 329 for (int x = 0; x < width; x++) 330 { 331 type* destPixel = destRow + x * 4; 332 333 // This could potentially be optimized by generating an entire row of initialization 334 // data and copying row by row instead of pixel by pixel. 335 memcpy(destPixel, writeValues, sizeof(type) * 4); 336 } 337 } 338 } 339 } 340 341 } 342 343 #endif // LIBGLESV2_RENDERER_LOADIMAGE_H_ 344
