| 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 | } |