147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/*
|
|
* 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;
|
|
}
|