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

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
--- /dev/null
+++ 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 ;
+}
+    
+