diff options
Diffstat (limited to 'hw/dmx/glxProxy/glxvisuals.c')
| -rw-r--r-- | hw/dmx/glxProxy/glxvisuals.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/hw/dmx/glxProxy/glxvisuals.c b/hw/dmx/glxProxy/glxvisuals.c new file mode 100644 index 0000000..8a2e557 --- /dev/null +++ b/hw/dmx/glxProxy/glxvisuals.c @@ -0,0 +1,152 @@ +/* + * 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; +} |