1/*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
29 */
30
31#include "glxfbconfig.h"
32
33int AreFBConfigsMatch( __GLXFBConfig *c1, __GLXFBConfig *c2 )
34{
35   int match;
36
37   match = (
38	     (c1->visualType == c2->visualType) &&
39	     (c1->transparentType == c2->transparentType) &&
40	     (c1->transparentRed == c2->transparentRed) &&
41	     (c1->transparentGreen == c2->transparentGreen) &&
42	     (c1->transparentBlue == c2->transparentBlue) &&
43	     (c1->transparentAlpha == c2->transparentAlpha) &&
44	     (c1->transparentIndex == c2->transparentIndex) &&
45	     (c1->visualCaveat == c2->visualCaveat) &&
46	     (c1->drawableType == c2->drawableType) &&
47	     (c1->renderType == c2->renderType) &&
48#if 0
49	     (c1->maxPbufferWidth == c2->maxPbufferWidth) &&
50	     (c1->maxPbufferHeight == c2->maxPbufferHeight) &&
51	     (c1->maxPbufferPixels == c2->maxPbufferPixels) &&
52	     (c1->optimalPbufferWidth == c2->optimalPbufferWidth) &&
53	     (c1->optimalPbufferHeight == c2->optimalPbufferHeight) &&
54#endif
55	     (c1->visualSelectGroup == c2->visualSelectGroup) &&
56	     (c1->rgbMode == c2->rgbMode) &&
57	     (c1->colorIndexMode == c2->colorIndexMode) &&
58	     (c1->doubleBufferMode == c2->doubleBufferMode) &&
59	     (c1->stereoMode == c2->stereoMode) &&
60	     (c1->haveAccumBuffer == c2->haveAccumBuffer) &&
61	     (c1->haveDepthBuffer == c2->haveDepthBuffer) &&
62	     (c1->haveStencilBuffer == c2->haveStencilBuffer) &&
63	     (c1->accumRedBits == c2->accumRedBits) &&
64	     (c1->accumGreenBits == c2->accumGreenBits) &&
65	     (c1->accumBlueBits == c2->accumBlueBits) &&
66	     (c1->accumAlphaBits == c2->accumAlphaBits) &&
67	     (c1->depthBits == c2->depthBits) &&
68	     (c1->stencilBits == c2->stencilBits) &&
69	     (c1->indexBits == c2->indexBits) &&
70	     (c1->redBits == c2->redBits) &&
71	     (c1->greenBits == c2->greenBits) &&
72	     (c1->blueBits == c2->blueBits) &&
73	     (c1->alphaBits == c2->alphaBits) &&
74	     (c1->redMask == c2->redMask) &&
75	     (c1->greenMask == c2->greenMask) &&
76	     (c1->blueMask == c2->blueMask) &&
77	     (c1->alphaMask == c2->alphaMask) &&
78	     (c1->multiSampleSize == c2->multiSampleSize) &&
79	     (c1->nMultiSampleBuffers == c2->nMultiSampleBuffers) &&
80	     (c1->maxAuxBuffers == c2->maxAuxBuffers) &&
81	     (c1->level == c2->level) &&
82	     (c1->extendedRange == c2->extendedRange) &&
83	     (c1->minRed == c2->minRed) &&
84	     (c1->maxRed == c2->maxRed) &&
85	     (c1->minGreen == c2->minGreen) &&
86	     (c1->maxGreen == c2->maxGreen) &&
87	     (c1->minBlue == c2->minBlue) &&
88	     (c1->maxBlue == c2->maxBlue) &&
89	     (c1->minAlpha == c2->minAlpha) &&
90	     (c1->maxAlpha == c2->maxAlpha)
91	   );
92
93   return match;
94}
95
96__GLXFBConfig *FindMatchingFBConfig( __GLXFBConfig *c, __GLXFBConfig *configs, int nconfigs )
97{
98   int i;
99
100   for (i=0; i<nconfigs; i++) {
101      if ( AreFBConfigsMatch( c, configs + i ) )
102	 return configs + i;
103   }
104
105   return 0;
106}
107