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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.
*/
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "glxserver.h"
#include "glxvisuals.h"
int
glxVisualsMatch(__GLXvisualConfig * v1, __GLXvisualConfig * v2)
{
if ((v1->class == v2->class) &&
(v1->rgba == v2->rgba) &&
(v1->redSize == v2->redSize) &&
(v1->greenSize == v2->greenSize) &&
(v1->blueSize == v2->blueSize) &&
(v1->alphaSize == v2->alphaSize) &&
(v1->redMask == v2->redMask) &&
(v1->greenMask == v2->greenMask) &&
(v1->blueMask == v2->blueMask) &&
(v1->alphaMask == v2->alphaMask) &&
(v1->accumRedSize == v2->accumRedSize) &&
(v1->accumGreenSize == v2->accumGreenSize) &&
(v1->accumBlueSize == v2->accumBlueSize) &&
(v1->accumAlphaSize == v2->accumAlphaSize) &&
(v1->doubleBuffer == v2->doubleBuffer) &&
(v1->stereo == v2->stereo) &&
(v1->bufferSize == v2->bufferSize) &&
(v1->depthSize == v2->depthSize) &&
(v1->stencilSize == v2->stencilSize) &&
(v1->auxBuffers == v2->auxBuffers) &&
(v1->level == v2->level) &&
(v1->visualRating == v2->visualRating) &&
(v1->transparentPixel == v2->transparentPixel) &&
(v1->transparentRed == v2->transparentRed) &&
(v1->transparentGreen == v2->transparentGreen) &&
(v1->transparentBlue == v2->transparentBlue) &&
(v1->transparentAlpha == v2->transparentAlpha) &&
(v1->transparentIndex == v2->transparentIndex) &&
(v1->multiSampleSize == v2->multiSampleSize) &&
(v1->nMultiSampleBuffers == v2->nMultiSampleBuffers) &&
(v1->visualSelectGroup == v2->visualSelectGroup)) {
return 1;
}
return 0;
}
VisualID
glxMatchGLXVisualInConfigList(__GLXvisualConfig * pGlxVisual,
__GLXvisualConfig * configs, int nconfigs)
{
int i;
for (i = 0; i < nconfigs; i++) {
if (glxVisualsMatch(pGlxVisual, &configs[i])) {
return configs[i].vid;
}
}
return 0;
}
VisualID
glxMatchVisualInConfigList(ScreenPtr pScreen, VisualPtr pVisual,
__GLXvisualConfig * configs, int nconfigs)
{
__GLXscreenInfo *pGlxScreen;
__GLXvisualConfig *pGlxVisual;
int i;
/* check that the glx extension has been initialized */
if (!__glXActiveScreens)
return 0;
pGlxScreen = &__glXActiveScreens[pScreen->myNum];
pGlxVisual = pGlxScreen->pGlxVisual;
/* find the glx visual info for pVisual */
for (i = 0; i < pGlxScreen->numVisuals; i++, pGlxVisual++) {
if (pGlxVisual->vid == pVisual->vid) {
break;
}
}
if (i == pGlxScreen->numVisuals) {
/*
* the visual is not supported by glx
*/
return 0;
}
return (glxMatchGLXVisualInConfigList(pGlxVisual, configs, nconfigs));
}
VisualPtr
glxMatchVisual(ScreenPtr pScreen, VisualPtr pVisual, ScreenPtr pMatchScreen)
{
__GLXscreenInfo *pGlxScreen2;
int j;
VisualID vid;
/* check that the glx extension has been initialized */
if (!__glXActiveScreens)
return NULL;
pGlxScreen2 = &__glXActiveScreens[pMatchScreen->myNum];
vid = glxMatchVisualInConfigList(pScreen, pVisual,
pGlxScreen2->pGlxVisual,
pGlxScreen2->numVisuals);
if (vid) {
/*
* find the X visual of the matching glx visual
*/
for (j = 0; j < pMatchScreen->numVisuals; j++) {
if (vid == pMatchScreen->visuals[j].vid) {
return &pMatchScreen->visuals[j];
}
}
}
return 0;
}
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