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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/dmx/dmxvisual.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/dmx/dmxvisual.c')
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diff --git a/nx-X11/programs/Xserver/hw/dmx/dmxvisual.c b/nx-X11/programs/Xserver/hw/dmx/dmxvisual.c
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+/* $XFree86$ */
+/*
+ * 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;
+}