xenocara/xserver/hw/dmx/glxProxy/glxfbconfig.c

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/*
* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice including the dates of first publication and
* either this permission notice or a reference to
* http://oss.sgi.com/projects/FreeB/
* shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Except as contained in this notice, the name of Silicon Graphics, Inc.
* shall not be used in advertising or otherwise to promote the sale, use or
* other dealings in this Software without prior written authorization from
* Silicon Graphics, Inc.
*/
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#include "glxfbconfig.h"
int
AreFBConfigsMatch(__GLXFBConfig * c1, __GLXFBConfig * c2)
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{
int match;
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match = ((c1->visualType == c2->visualType) &&
(c1->transparentType == c2->transparentType) &&
(c1->transparentRed == c2->transparentRed) &&
(c1->transparentGreen == c2->transparentGreen) &&
(c1->transparentBlue == c2->transparentBlue) &&
(c1->transparentAlpha == c2->transparentAlpha) &&
(c1->transparentIndex == c2->transparentIndex) &&
(c1->visualCaveat == c2->visualCaveat) &&
(c1->drawableType == c2->drawableType) &&
(c1->renderType == c2->renderType) &&
#if 0
(c1->maxPbufferWidth == c2->maxPbufferWidth) &&
(c1->maxPbufferHeight == c2->maxPbufferHeight) &&
(c1->maxPbufferPixels == c2->maxPbufferPixels) &&
(c1->optimalPbufferWidth == c2->optimalPbufferWidth) &&
(c1->optimalPbufferHeight == c2->optimalPbufferHeight) &&
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#endif
(c1->visualSelectGroup == c2->visualSelectGroup) &&
(c1->rgbMode == c2->rgbMode) &&
(c1->colorIndexMode == c2->colorIndexMode) &&
(c1->doubleBufferMode == c2->doubleBufferMode) &&
(c1->stereoMode == c2->stereoMode) &&
(c1->haveAccumBuffer == c2->haveAccumBuffer) &&
(c1->haveDepthBuffer == c2->haveDepthBuffer) &&
(c1->haveStencilBuffer == c2->haveStencilBuffer) &&
(c1->accumRedBits == c2->accumRedBits) &&
(c1->accumGreenBits == c2->accumGreenBits) &&
(c1->accumBlueBits == c2->accumBlueBits) &&
(c1->accumAlphaBits == c2->accumAlphaBits) &&
(c1->depthBits == c2->depthBits) &&
(c1->stencilBits == c2->stencilBits) &&
(c1->indexBits == c2->indexBits) &&
(c1->redBits == c2->redBits) &&
(c1->greenBits == c2->greenBits) &&
(c1->blueBits == c2->blueBits) &&
(c1->alphaBits == c2->alphaBits) &&
(c1->redMask == c2->redMask) &&
(c1->greenMask == c2->greenMask) &&
(c1->blueMask == c2->blueMask) &&
(c1->alphaMask == c2->alphaMask) &&
(c1->multiSampleSize == c2->multiSampleSize) &&
(c1->nMultiSampleBuffers == c2->nMultiSampleBuffers) &&
(c1->maxAuxBuffers == c2->maxAuxBuffers) &&
(c1->level == c2->level) &&
(c1->extendedRange == c2->extendedRange) &&
(c1->minRed == c2->minRed) &&
(c1->maxRed == c2->maxRed) &&
(c1->minGreen == c2->minGreen) &&
(c1->maxGreen == c2->maxGreen) &&
(c1->minBlue == c2->minBlue) &&
(c1->maxBlue == c2->maxBlue) &&
(c1->minAlpha == c2->minAlpha) && (c1->maxAlpha == c2->maxAlpha)
);
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return match;
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}
__GLXFBConfig *
FindMatchingFBConfig(__GLXFBConfig * c, __GLXFBConfig * configs, int nconfigs)
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{
int i;
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for (i = 0; i < nconfigs; i++) {
if (AreFBConfigsMatch(c, configs + i))
return configs + i;
}
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return 0;
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}