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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/lib/XvMC/hw/via/driDrawable.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/lib/XvMC/hw/via/driDrawable.c')
-rw-r--r--nx-X11/lib/XvMC/hw/via/driDrawable.c176
1 files changed, 176 insertions, 0 deletions
diff --git a/nx-X11/lib/XvMC/hw/via/driDrawable.c b/nx-X11/lib/XvMC/hw/via/driDrawable.c
new file mode 100644
index 000000000..35934d89d
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+++ b/nx-X11/lib/XvMC/hw/via/driDrawable.c
@@ -0,0 +1,176 @@
+/*****************************************************************************
+ * driDrawable.c: Lean Version of DRI utilities.
+ *
+ * Copyright (c) 2005 Thomas Hellstrom. 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 and this permission notice 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 THE
+ * AUTHOR(S) OR COPYRIGHT HOLDER(S) 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <X11/Xlibint.h>
+#include <X11/Xutil.h>
+#include "xf86drm.h"
+#include "drm.h"
+#include "xf86dri.h"
+#include "drm_sarea.h"
+#include "driDrawable.h"
+
+
+static unsigned
+drawStamp(volatile drm_sarea_t *pSarea, int index)
+{
+ return pSarea->drawableTable[index].stamp;
+}
+
+int
+getDRIDrawableInfoLocked(void *drawHash, Display *display, int screen, Drawable draw,
+ unsigned lockFlags, int drmFD, drm_context_t drmContext,
+ drmAddress sarea, Bool updateInfo, drawableInfo **info,
+ unsigned long infoSize)
+{
+ drawableInfo *drawInfo;
+ void *res;
+ drm_drawable_t drmDraw=0;
+ volatile drm_sarea_t *pSarea = (drm_sarea_t *) sarea;
+ drm_clip_rect_t *clipFront, *clipBack;
+
+ int ret;
+
+
+ if (drmHashLookup(drawHash, (unsigned long) draw, &res)) {
+
+ /*
+ * The drawable is unknown to us. Create it and put it in the
+ * hash table.
+ */
+
+ DRM_UNLOCK(drmFD, &pSarea->lock, drmContext);
+ if (!uniDRICreateDrawable(display, screen, draw,
+ &drmDraw)) {
+ DRM_LOCK(drmFD, &pSarea->lock, drmContext, lockFlags);
+ return 1;
+ }
+ DRM_LOCK(drmFD, &pSarea->lock, drmContext, lockFlags);
+
+
+ drawInfo = (drawableInfo *) malloc(infoSize);
+ if (!drawInfo) return 1;
+
+ drawInfo->drmDraw = drmDraw;
+ drawInfo->stamp = 0;
+ drawInfo->clipFront = 0;
+ drawInfo->clipBack = 0;
+
+ drmHashInsert( drawHash, (unsigned long) draw, drawInfo);
+
+ } else {
+ drawInfo = res;
+ }
+
+
+ drawInfo->touched = FALSE;
+ while (!drawInfo->clipFront || drawInfo->stamp != drawStamp(pSarea, drawInfo->index)) {
+
+ /*
+ * The drawable has been touched since we last got info about it.
+ * obtain new info from the X server.
+ */
+
+ drawInfo->touched = TRUE;
+
+ if (updateInfo || !drawInfo->clipFront) {
+ DRM_UNLOCK(drmFD, &pSarea->lock, drmContext);
+
+ ret = uniDRIGetDrawableInfo(display, screen, draw,
+ &drawInfo->index, &drawInfo->stamp, &drawInfo->x,
+ &drawInfo->y, &drawInfo->w, &drawInfo->h,
+ &drawInfo->numClipFront, &clipFront,
+ &drawInfo->backX, &drawInfo->backY,
+ &drawInfo->numClipBack, &clipBack);
+
+ DRM_LIGHT_LOCK(drmFD, &pSarea->lock, drmContext);
+
+ /*
+ * Error. Probably the drawable is destroyed. Return error and old values.
+ */
+
+ if (!ret) {
+ free(drawInfo);
+ drawInfo = NULL;
+ drmHashDelete(drawHash, (unsigned long) draw);
+
+ DRM_UNLOCK(drmFD, &pSarea->lock, drmContext);
+ uniDRIDestroyDrawable( display, screen, draw);
+ DRM_LOCK(drmFD, &pSarea->lock, drmContext, lockFlags);
+
+ return 1;
+ }
+
+ if (drawInfo->stamp != drawStamp(pSarea, drawInfo->index)) {
+
+ /*
+ * The info is already outdated. Sigh. Have another go.
+ */
+
+ XFree(clipFront);
+ XFree(clipBack);
+ continue;
+ }
+
+ if (drawInfo->clipFront) XFree(drawInfo->clipFront);
+ drawInfo->clipFront = clipFront;
+ if (drawInfo->clipBack) XFree(drawInfo->clipBack);
+ drawInfo->clipBack = clipBack;
+ } else {
+ if (!drawInfo->clipFront) drawInfo->clipFront = (drm_clip_rect_t *) ~0UL;
+ drawInfo->stamp = drawStamp(pSarea, drawInfo->index);
+ }
+ }
+ *info = drawInfo;
+ return 0;
+}
+
+void
+driDestroyHashContents(void *drawHash)
+{
+ unsigned long key;
+ void *content;
+ drawableInfo *drawInfo;
+
+
+ if (drmHashFirst(drawHash, &key, &content) < 1)
+ return;
+ drawInfo = (drawableInfo *) content;
+ if (drawInfo->clipBack) XFree(drawInfo->clipBack);
+ if (drawInfo->clipFront) XFree(drawInfo->clipFront);
+ free(drawInfo);
+ while(drmHashNext(drawHash, &key, &content) == 1) {
+ drawInfo = (drawableInfo *) content;
+ if (drawInfo->clipBack) XFree(drawInfo->clipBack);
+ if (drawInfo->clipFront) XFree(drawInfo->clipFront);
+ free(drawInfo);
+ }
+
+ return ;
+}
+
+