kc3-lang/angle/src/libGLESv2/renderer/loadimage.cpp

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  Commit

• Hash : 87465460
  Author :
  Date : 2013-06-17T16:28:54
  

  Added load functions to depth texture formats.
  
  TRAC #23262
  
  Signed-off-by: Jamie Madill
  Signed-off-by: Shannon Woods
  Author: Geoff Lang
  

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• src/libGLESv2/renderer/loadimage.cpp

• #include "precompiled.h"
  //
  // Copyright (c) 0013 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // loadimage.cpp: Defines image loading functions.
  
  #include "libGLESv2/renderer/loadimage.h"
  
  namespace rx
  {
  
  void loadAlphaDataToBGRA(int width, int height, int depth,
                           const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                           void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = 0;
                  dest[4 * x + 1] = 0;
                  dest[4 * x + 2] = 0;
                  dest[4 * x + 3] = source[x];
              }
          }
      }
  }
  
  void loadAlphaDataToNative(int width, int height, int depth,
                             const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                             void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width);
          }
      }
  }
  
  void loadAlphaFloatDataToRGBA(int width, int height, int depth,
                                const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = 0;
                  dest[4 * x + 1] = 0;
                  dest[4 * x + 2] = 0;
                  dest[4 * x + 3] = source[x];
              }
          }
      }
  }
  
  void loadAlphaHalfFloatDataToRGBA(int width, int height, int depth,
                                    const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                    void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned short *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = 0;
                  dest[4 * x + 1] = 0;
                  dest[4 * x + 2] = 0;
                  dest[4 * x + 3] = source[x];
              }
          }
      }
  }
  
  void loadLuminanceDataToNative(int width, int height, int depth,
                                 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width);
          }
      }
  }
  
  void loadLuminanceDataToBGRA(int width, int height, int depth,
                               const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                               void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x];
                  dest[4 * x + 1] = source[x];
                  dest[4 * x + 2] = source[x];
                  dest[4 * x + 3] = 0xFF;
              }
          }
      }
  }
  
  void loadLuminanceFloatDataToRGBA(int width, int height, int depth,
                                    const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                    void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x];
                  dest[4 * x + 1] = source[x];
                  dest[4 * x + 2] = source[x];
                  dest[4 * x + 3] = 1.0f;
              }
          }
      }
  }
  
  void loadLuminanceFloatDataToRGB(int width, int height, int depth,
                                   const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                   void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[3 * x + 0] = source[x];
                  dest[3 * x + 1] = source[x];
                  dest[3 * x + 2] = source[x];
              }
          }
      }
  }
  
  void loadLuminanceHalfFloatDataToRGBA(int width, int height, int depth,
                                        const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                        void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned short *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x];
                  dest[4 * x + 1] = source[x];
                  dest[4 * x + 2] = source[x];
                  dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
              }
          }
      }
  }
  
  void loadLuminanceAlphaDataToNative(int width, int height, int depth,
                                      const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                      void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
  
              memcpy(dest, source, width * 2);
          }
      }
  }
  
  void loadLuminanceAlphaDataToBGRA(int width, int height, int depth,
                                    const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                    void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[2*x+0];
                  dest[4 * x + 1] = source[2*x+0];
                  dest[4 * x + 2] = source[2*x+0];
                  dest[4 * x + 3] = source[2*x+1];
              }
          }
      }
  }
  
  void loadLuminanceAlphaFloatDataToRGBA(int width, int height, int depth,
                                         const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                         void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[2*x+0];
                  dest[4 * x + 1] = source[2*x+0];
                  dest[4 * x + 2] = source[2*x+0];
                  dest[4 * x + 3] = source[2*x+1];
              }
          }
      }
  }
  
  void loadLuminanceAlphaHalfFloatDataToRGBA(int width, int height, int depth,
                                             const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                             void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned short *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[2*x+0];
                  dest[4 * x + 1] = source[2*x+0];
                  dest[4 * x + 2] = source[2*x+0];
                  dest[4 * x + 3] = source[2*x+1];
              }
          }
      }
  }
  
  void loadRGBUByteDataToBGRX(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x * 3 + 2];
                  dest[4 * x + 1] = source[x * 3 + 1];
                  dest[4 * x + 2] = source[x * 3 + 0];
                  dest[4 * x + 3] = 0xFF;
              }
          }
      }
  }
  
  void loadRGBUByteDataToRGBA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x * 3 + 0];
                  dest[4 * x + 1] = source[x * 3 + 1];
                  dest[4 * x + 2] = source[x * 3 + 2];
                  dest[4 * x + 3] = 0xFF;
              }
          }
      }
  }
  
  void loadRGBSByteDataToRGBA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const char *source = NULL;
      char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x * 3 + 0];
                  dest[4 * x + 1] = source[x * 3 + 1];
                  dest[4 * x + 2] = source[x * 3 + 2];
                  dest[4 * x + 3] = 0x7F;
              }
          }
      }
  }
  
  void loadRGB565DataToBGRA(int width, int height, int depth,
                            const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                            void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  unsigned short rgba = source[x];
                  dest[4 * x + 0] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
                  dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
                  dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
                  dest[4 * x + 3] = 0xFF;
              }
          }
      }
  }
  
  void loadRGB565DataToRGBA(int width, int height, int depth,
                            const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                            void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  unsigned short rgba = source[x];
                  dest[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
                  dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
                  dest[4 * x + 2] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
                  dest[4 * x + 3] = 0xFF;
              }
          }
      }
  }
  
  void loadRGBFloatDataToRGBA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x * 3 + 0];
                  dest[4 * x + 1] = source[x * 3 + 1];
                  dest[4 * x + 2] = source[x * 3 + 2];
                  dest[4 * x + 3] = 1.0f;
              }
          }
      }
  }
  
  void loadRGBFloatDataToNative(int width, int height, int depth,
                                const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width * 12);
          }
      }
  }
  
  void loadRGBHalfFloatDataToRGBA(int width, int height, int depth,
                                  const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                  void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned short *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  dest[4 * x + 0] = source[x * 3 + 0];
                  dest[4 * x + 1] = source[x * 3 + 1];
                  dest[4 * x + 2] = source[x * 3 + 2];
                  dest[4 * x + 3] = 0x3C00; // SEEEEEMMMMMMMMMM, S = 0, E = 15, M = 0: 16bit flpt representation of 1
              }
          }
      }
  }
  
  void loadRGBAUByteDataToBGRA(int width, int height, int depth,
                               const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                               void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned int *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  unsigned int rgba = source[x];
                  dest[x] = (_rotl(rgba, 16) & 0x00ff00ff) | (rgba & 0xff00ff00);
              }
          }
      }
  }
  
  void loadRGBAUByteDataToNative(int width, int height, int depth,
                                 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned int *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
  
              memcpy(dest, source, width * 4);
          }
      }
  }
  
  void loadRGBA4444DataToBGRA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  unsigned short rgba = source[x];
                  dest[4 * x + 0] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4);
                  dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8);
                  dest[4 * x + 2] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12);
                  dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0);
              }
          }
      }
  }
  
  void loadRGBA4444DataToRGBA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  unsigned short rgba = source[x];
                  dest[4 * x + 0] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12);
                  dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8);
                  dest[4 * x + 2] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4);
                  dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0);
              }
          }
      }
  }
  
  void loadRGBA5551DataToBGRA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  unsigned short rgba = source[x];
                  dest[4 * x + 0] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3);
                  dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8);
                  dest[4 * x + 2] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
                  dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0;
              }
          }
      }
  }
  void loadRGBA5551DataToRGBA(int width, int height, int depth,
                              const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                              void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              for (int x = 0; x < width; x++)
              {
                  unsigned short rgba = source[x];
                  dest[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
                  dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8);
                  dest[4 * x + 2] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3);
                  dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0;
              }
          }
      }
  }
  
  void loadRGBAFloatDataToRGBA(int width, int height, int depth,
                               const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                               void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      float *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<float>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width * 16);
          }
      }
  }
  
  void loadRGBAHalfFloatDataToRGBA(int width, int height, int depth,
                                   const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                   void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width * 8);
          }
      }
  }
  
  void loadBGRADataToBGRA(int width, int height, int depth,
                          const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                          void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned char *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned char>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width*4);
          }
      }
  }
  
  void loadRGBA2101010ToNative(int width, int height, int depth,
                               const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                               void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned int *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
              memcpy(dest, source, width * sizeof(unsigned int));
          }
      }
  }
  
  void loadRGBA2101010ToRGBA(int width, int height, int depth,
                             const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                             void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned int *source = NULL;
      unsigned char *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned char>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  unsigned int rgba = source[x];
                  dest[4 * x + 0] = (rgba & 0x000003FF) >>  2;
                  dest[4 * x + 1] = (rgba & 0x000FFC00) >> 12;
                  dest[4 * x + 2] = (rgba & 0x3FF00000) >> 22;
                  dest[4 * x + 3] = ((rgba & 0xC0000000) >> 30) * 0x55;
              }
          }
      }
  }
  
  void loadRGBHalfFloatDataTo999E5(int width, int height, int depth,
                                   const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                   void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[x] = gl::convertRGBFloatsTo999E5(gl::float16ToFloat32(source[x * 3 + 0]),
                                                        gl::float16ToFloat32(source[x * 3 + 1]),
                                                        gl::float16ToFloat32(source[x * 3 + 2]));
              }
          }
      }
  }
  
  void loadRGBFloatDataTo999E5(int width, int height, int depth,
                               const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                               void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[x] = gl::convertRGBFloatsTo999E5(source[x * 3 + 0], source[x * 3 + 1], source[x * 3 + 2]);
              }
          }
      }
  }
  
  void loadRGBHalfFloatDataTo111110Float(int width, int height, int depth,
                                         const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                         void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned short *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned short>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[x] = (gl::float32ToFloat11(gl::float16ToFloat32(source[x * 3 + 0])) <<  0) |
                            (gl::float32ToFloat11(gl::float16ToFloat32(source[x * 3 + 1])) << 11) |
                            (gl::float32ToFloat10(gl::float16ToFloat32(source[x * 3 + 2])) << 22);
              }
          }
      }
  }
  
  void loadRGBFloatDataTo111110Float(int width, int height, int depth,
                                     const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                     void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      unsigned int *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned int>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[x] = (gl::float32ToFloat11(source[x * 3 + 0]) <<  0) |
                            (gl::float32ToFloat11(source[x * 3 + 1]) << 11) |
                            (gl::float32ToFloat10(source[x * 3 + 2]) << 22);
              }
          }
      }
  }
  
  void loadFloatRGBDataToHalfFloatRGBA(int width, int height, int depth,
                                       const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                                       void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const float *source = NULL;
      unsigned short *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<float>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[x * 4 + 0] = gl::float32ToFloat16(source[x * 3 + 0]);
                  dest[x * 4 + 1] = gl::float32ToFloat16(source[x * 3 + 1]);
                  dest[x * 4 + 2] = gl::float32ToFloat16(source[x * 3 + 2]);
                  dest[x * 4 + 3] = gl::Float16One;
              }
          }
      }
  }
  
  void loadUintDataToUshort(int width, int height, int depth,
                            const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
                            void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
  {
      const unsigned int *source = NULL;
      unsigned short *dest = NULL;
  
      for (int z = 0; z < depth; z++)
      {
          for (int y = 0; y < height; y++)
          {
              source = offsetDataPointer<unsigned int>(input, y, z, inputRowPitch, inputDepthPitch);
              dest = offsetDataPointer<unsigned short>(output, y, z, outputRowPitch, outputDepthPitch);
  
              for (int x = 0; x < width; x++)
              {
                  dest[x] = source[x] >> 16;
              }
          }
      }
  }
  
  }
  

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