From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001
From: Reinhard Tartler <siretart@tauware.de>
Date: Mon, 10 Oct 2011 17:43:39 +0200
Subject: Imported nx-X11-3.1.0-1.tar.gz

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository
---
 .../Mesa/src/mesa/drivers/dri/s3v/s3v_lock.c       | 62 ++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_lock.c

(limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_lock.c')

diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_lock.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_lock.c
new file mode 100644
index 000000000..52bb87ece
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/s3v/s3v_lock.c
@@ -0,0 +1,62 @@
+/*
+ * Author: Max Lingua <sunmax@libero.it>
+ */
+
+#include "s3v_context.h"
+
+#if DEBUG_LOCKING
+char *prevLockFile = NULL;
+int prevLockLine = 0;
+#endif
+
+
+/* Update the hardware state.  This is called if another context has
+ * grabbed the hardware lock, which includes the X server.  This
+ * function also updates the driver's window state after the X server
+ * moves, resizes or restacks a window -- the change will be reflected
+ * in the drawable position and clip rects.  Since the X server grabs
+ * the hardware lock when it changes the window state, this routine will
+ * automatically be called after such a change.
+ */
+void s3vGetLock( s3vContextPtr vmesa, GLuint flags )
+{
+   __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+/*   __DRIscreenPrivate *sPriv = vmesa->driScreen; */
+
+   printf("s3vGetLock <- ***\n");
+
+   drmGetLock( vmesa->driFd, vmesa->hHWContext, flags );
+
+   /* The window might have moved, so we might need to get new clip
+    * rects.
+    *
+    * NOTE: This releases and regrabs the hw lock to allow the X server
+    * to respond to the DRI protocol request for new drawable info.
+    * Since the hardware state depends on having the latest drawable
+    * clip rects, all state checking must be done _after_ this call.
+    */
+   /* DRI_VALIDATE_DRAWABLE_INFO( vmesa->display, sPriv, dPriv ); */
+
+   if ( vmesa->lastStamp != dPriv->lastStamp ) {
+      vmesa->lastStamp = dPriv->lastStamp;
+      vmesa->new_state |= S3V_NEW_WINDOW | S3V_NEW_CLIP;
+   }
+
+   vmesa->numClipRects = dPriv->numClipRects;
+   vmesa->pClipRects = dPriv->pClipRects;
+
+#if 0
+   vmesa->dirty = ~0;
+
+   if ( sarea->ctxOwner != vmesa->hHWContext ) {
+      sarea->ctxOwner = vmesa->hHWContext;
+      vmesa->dirty = S3V_UPLOAD_ALL;
+   }
+
+   for ( i = 0 ; i < vmesa->lastTexHeap ; i++ ) {
+      if ( sarea->texAge[i] != vmesa->lastTexAge[i] ) {
+	 s3vAgeTextures( vmesa, i );
+      }
+   }
+#endif
+}
-- 
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