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(struct gl_context *ctx, 26 DST_TYPE *dst, 27 GLenum dstFormat, 28 SRC_TYPE rgba[][4], 29 int n) 30 { 31 int i; 32 33 switch (dstFormat) { 34 case GL_RED_INTEGER_EXT: 35 for (i=0;i<n;i++) { 36 dst[i] = SRC_CONVERT(rgba[i][RCOMP]); 37 } 38 break; 39 40 case GL_GREEN_INTEGER_EXT: 41 for (i=0;i<n;i++) { 42 dst[i] = SRC_CONVERT(rgba[i][GCOMP]); 43 } 44 break; 45 46 case GL_BLUE_INTEGER_EXT: 47 for (i=0;i<n;i++) { 48 dst[i] = SRC_CONVERT(rgba[i][BCOMP]); 49 }; 50 break; 51 52 case GL_ALPHA_INTEGER_EXT: 53 for (i=0;i<n;i++) { 54 dst[i] = SRC_CONVERT(rgba[i][ACOMP]); 55 } 56 break; 57 58 case GL_RG_INTEGER: 59 for (i=0;i<n;i++) { 60 dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP]); 61 dst[i*2+1] = SRC_CONVERT(rgba[i][GCOMP]); 62 } 63 break; 64 65 case GL_RGB_INTEGER_EXT: 66 for (i=0;i<n;i++) { 67 dst[i*3+0] = SRC_CONVERT(rgba[i][RCOMP]); 68 dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]); 69 dst[i*3+2] = SRC_CONVERT(rgba[i][BCOMP]); 70 } 71 break; 72 73 case GL_RGBA_INTEGER_EXT: 74 for (i=0;i<n;i++) { 75 dst[i*4+0] = SRC_CONVERT(rgba[i][RCOMP]); 76 dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]); 77 dst[i*4+2] = SRC_CONVERT(rgba[i][BCOMP]); 78 dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]); 79 } 80 break; 81 82 case GL_BGR_INTEGER_EXT: 83 for (i=0;i<n;i++) { 84 dst[i*3+0] = SRC_CONVERT(rgba[i][BCOMP]); 85 dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]); 86 dst[i*3+2] = SRC_CONVERT(rgba[i][RCOMP]); 87 } 88 break; 89 90 case GL_BGRA_INTEGER_EXT: 91 for (i=0;i<n;i++) { 92 dst[i*4+0] = SRC_CONVERT(rgba[i][BCOMP]); 93 dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]); 94 dst[i*4+2] = SRC_CONVERT(rgba[i][RCOMP]); 95 dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]); 96 } 97 break; 98 99 case GL_LUMINANCE_INTEGER_EXT: 100 for (i=0;i<n;i++) { 101 dst[i] = SRC_CONVERT(rgba[i][RCOMP] + 102 rgba[i][GCOMP] + 103 rgba[i][BCOMP]); 104 } 105 break; 106 107 case GL_LUMINANCE_ALPHA_INTEGER_EXT: 108 for (i=0;i<n;i++) { 109 dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP] + 110 rgba[i][GCOMP] + 111 rgba[i][BCOMP]); 112 dst[i*2+1] = SRC_CONVERT(rgba[i][ACOMP]); 113 } 114 break; 115 116 default: 117 _mesa_problem(ctx, 118 "Unsupported format (%s)", 119 _mesa_lookup_enum_by_nr(dstFormat)); 120 break; 121 } 122 } 123
