/* * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina. * * 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 on 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 and this permission notice (including the * next paragraph) 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 * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS * 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. */ /* * Authors: * Kevin E. Martin <kem@redhat.com> * */ /** \file * This file provides support for visuals. */ #ifdef HAVE_DMX_CONFIG_H #include <dmx-config.h> #endif #include "dmx.h" #include "dmxvisual.h" #include "scrnintstr.h" #ifdef GLXEXT #include <GL/glxint.h> extern VisualID glxMatchVisualInConfigList(ScreenPtr pScreen, VisualPtr pVisual, __GLXvisualConfig *configs, int nconfigs); static Visual *dmxLookupGLXVisual(ScreenPtr pScreen, VisualPtr pVisual) { DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; int j; VisualID vid; vid = glxMatchVisualInConfigList(pScreen, pVisual, dmxScreen->glxVisuals, dmxScreen->numGlxVisuals); if (vid) { /* Find the X visual of the matching GLX visual */ for (j = 0; j < dmxScreen->beNumVisuals; j++) if (vid == dmxScreen->beVisuals[j].visualid) return dmxScreen->beVisuals[j].visual; } /* No matching visual found */ return NULL; } #endif /** Return the visual that matched \a pVisual. */ Visual *dmxLookupVisual(ScreenPtr pScreen, VisualPtr pVisual) { DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; int i; #ifdef GLXEXT Visual *retval; #endif if (!dmxScreen->beDisplay) return NULL; #ifdef GLXEXT if ((retval = dmxLookupGLXVisual(pScreen, pVisual))) return retval; #endif for (i = 0; i < dmxScreen->beNumVisuals; i++) { if (pVisual->class == dmxScreen->beVisuals[i].class && pVisual->bitsPerRGBValue == dmxScreen->beVisuals[i].bits_per_rgb && pVisual->ColormapEntries == dmxScreen->beVisuals[i].colormap_size && pVisual->nplanes == dmxScreen->beVisuals[i].depth && pVisual->redMask == dmxScreen->beVisuals[i].red_mask && pVisual->greenMask == dmxScreen->beVisuals[i].green_mask && pVisual->blueMask == dmxScreen->beVisuals[i].blue_mask) { return dmxScreen->beVisuals[i].visual; } } return NULL; } /** Return the visual that matched the \a vid. */ Visual *dmxLookupVisualFromID(ScreenPtr pScreen, VisualID vid) { Visual *visual; int i; if (!dmxScreens[pScreen->myNum].beDisplay) return NULL; for (i = 0; i < pScreen->numVisuals; i++) { if (pScreen->visuals[i].vid == vid) { visual = dmxLookupVisual(pScreen, &pScreen->visuals[i]); if (visual) return visual; } } return NULL; } /** Return the colormap for the \a visual. */ Colormap dmxColormapFromDefaultVisual(ScreenPtr pScreen, Visual *visual) { DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum]; int i; if (dmxScreen->beDisplay) { for (i = 0; i < dmxScreen->beNumDefColormaps; i++) if (visual == dmxScreen->beVisuals[i].visual) return dmxScreen->beDefColormaps[i]; } return None; }