153 lines
4.9 KiB
C
153 lines
4.9 KiB
C
/*
|
|
* 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;
|
|
}
|