reactos/dll/opengl/mesa/src/mesa/main/pack_tmp.h

   1 /*
   2  * Copyright © 2012 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 static void
  25 FN_NAME(DST_TYPE *dst,
  26         GLenum dstFormat,
  27         SRC_TYPE rgba[][4],
  28         int n)
  29 {
  30    int i;
  31
  32    switch (dstFormat) {
  33    case GL_RED_INTEGER_EXT:
  34       for (i=0;i<n;i++) {
  35          dst[i] = SRC_CONVERT(rgba[i][RCOMP]);
  36       }
  37       break;
  38
  39    case GL_GREEN_INTEGER_EXT:
  40       for (i=0;i<n;i++) {
  41          dst[i] = SRC_CONVERT(rgba[i][GCOMP]);
  42       }
  43       break;
  44
  45    case GL_BLUE_INTEGER_EXT:
  46       for (i=0;i<n;i++) {
  47          dst[i] = SRC_CONVERT(rgba[i][BCOMP]);
  48       };
  49       break;
  50
  51    case GL_ALPHA_INTEGER_EXT:
  52       for (i=0;i<n;i++) {
  53          dst[i] = SRC_CONVERT(rgba[i][ACOMP]);
  54       }
  55       break;
  56
  57    case GL_RG_INTEGER:
  58       for (i=0;i<n;i++) {
  59          dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP]);
  60          dst[i*2+1] = SRC_CONVERT(rgba[i][GCOMP]);
  61       }
  62       break;
  63
  64    case GL_RGB_INTEGER_EXT:
  65       for (i=0;i<n;i++) {
  66          dst[i*3+0] = SRC_CONVERT(rgba[i][RCOMP]);
  67          dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]);
  68          dst[i*3+2] = SRC_CONVERT(rgba[i][BCOMP]);
  69       }
  70       break;
  71
  72    case GL_RGBA_INTEGER_EXT:
  73       for (i=0;i<n;i++) {
  74          dst[i*4+0] = SRC_CONVERT(rgba[i][RCOMP]);
  75          dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]);
  76          dst[i*4+2] = SRC_CONVERT(rgba[i][BCOMP]);
  77          dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]);
  78       }
  79       break;
  80
  81    case GL_BGR_INTEGER_EXT:
  82       for (i=0;i<n;i++) {
  83          dst[i*3+0] = SRC_CONVERT(rgba[i][BCOMP]);
  84          dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]);
  85          dst[i*3+2] = SRC_CONVERT(rgba[i][RCOMP]);
  86       }
  87       break;
  88
  89    case GL_BGRA_INTEGER_EXT:
  90       for (i=0;i<n;i++) {
  91          dst[i*4+0] = SRC_CONVERT(rgba[i][BCOMP]);
  92          dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]);
  93          dst[i*4+2] = SRC_CONVERT(rgba[i][RCOMP]);
  94          dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]);
  95       }
  96       break;
  97
  98    case GL_LUMINANCE_INTEGER_EXT:
  99       for (i=0;i<n;i++) {
 100          dst[i] = SRC_CONVERT(rgba[i][RCOMP] +
 101                               rgba[i][GCOMP] +
 102                               rgba[i][BCOMP]);
 103       }
 104       break;
 105
 106    case GL_LUMINANCE_ALPHA_INTEGER_EXT:
 107       for (i=0;i<n;i++) {
 108          dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP] +
 109                                   rgba[i][GCOMP] +
 110                                   rgba[i][BCOMP]);
 111          dst[i*2+1] = SRC_CONVERT(rgba[i][ACOMP]);
 112       }
 113       break;
 114    }
 115 }