Function MakeGLFormat

renderdoc/driver/gl/gl_common.cpp:2393–2719

}

GLenum MakeGLFormat(ResourceFormat fmt)
{
  GLenum ret = eGL_NONE;

  if(fmt.Special())
  {
    switch(fmt.type)
    {
      case ResourceFormatType::BC1:
      {
        if(fmt.compCount == 3)
          ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB_S3TC_DXT1_EXT
                                    : eGL_COMPRESSED_RGB_S3TC_DXT1_EXT;
        else
          ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT
                                    : eGL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
        break;
      }
      case ResourceFormatType::BC2:
        ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT
                                  : eGL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
        break;
      case ResourceFormatType::BC3:
        ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT
                                  : eGL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
        break;
      case ResourceFormatType::BC4:
        ret = fmt.compType == CompType::SNorm ? eGL_COMPRESSED_SIGNED_RED_RGTC1
                                              : eGL_COMPRESSED_RED_RGTC1;
        break;
      case ResourceFormatType::BC5:
        ret = fmt.compType == CompType::SNorm ? eGL_COMPRESSED_SIGNED_RG_RGTC2
                                              : eGL_COMPRESSED_RG_RGTC2;
        break;
      case ResourceFormatType::BC6:
        ret = fmt.compType == CompType::SNorm ? eGL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB
                                              : eGL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB;
        break;
      case ResourceFormatType::BC7:
        ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB
                                  : eGL_COMPRESSED_RGBA_BPTC_UNORM_ARB;
        break;
      case ResourceFormatType::ETC2:
      {
        if(fmt.compCount == 3)
          ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB8_ETC2 : eGL_COMPRESSED_RGB8_ETC2;
        else
          ret = fmt.SRGBCorrected() ? eGL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2
                                    : eGL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
        break;
      }
      case ResourceFormatType::EAC:
      {
        if(fmt.compCount == 1)
          ret = fmt.compType == CompType::SNorm ? eGL_COMPRESSED_SIGNED_R11_EAC
                                                : eGL_COMPRESSED_R11_EAC;
        else if(fmt.compCount == 2)
          ret = fmt.compType == CompType::SNorm ? eGL_COMPRESSED_SIGNED_RG11_EAC