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a09e091a JB |
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 | ||
33 | int | |
34 | AreFBConfigsMatch(__GLXFBConfig * c1, __GLXFBConfig * c2) | |
35 | { | |
36 | int match; | |
37 | ||
38 | match = ((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) && (c1->maxAlpha == c2->maxAlpha) | |
90 | ); | |
91 | ||
92 | return match; | |
93 | } | |
94 | ||
95 | __GLXFBConfig * | |
96 | 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 | } |