Shared dri driver resources

1 files changed, 62 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/common/vblank.h b/src/mesa/drivers/dri/common/vblank.h
new file mode 100644
index 00000000000..3dab4ead3c2
--- /dev/null
+++ b/src/mesa/drivers/dri/common/vblank.h
@@ -0,0 +1,62 @@
+/* -*- mode: c; c-basic-offset: 3 -*- */
+/*
+ * (c) Copyright IBM Corporation 2002
+ * 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, sub
+ * license, 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
+ * VA LINUX SYSTEM, IBM 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:
+ *    Ian Romanick <[email protected]>
+ */
+/* $XFree86:$ */
+
+#ifndef DRI_VBLANK_H
+#define DRI_VBLANK_H
+
+#include "context.h"
+#include "dri_util.h"
+
+#define VBLANK_FLAG_INTERVAL  (1U << 0)  /* Respect the swap_interval setting
+					  */
+#define VBLANK_FLAG_THROTTLE  (1U << 1)  /* Wait 1 refresh since last call.
+					  */
+#define VBLANK_FLAG_SYNC      (1U << 2)  /* Sync to the next refresh.
+					  */
+#define VBLANK_FLAG_NO_IRQ    (1U << 7)  /* DRM has no IRQ to wait on.
+					  */
+
+extern int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count );
+extern int driWaitForMSC32( __DRIdrawablePrivate *priv,
+    int64_t target_msc, int64_t divisor, int64_t remainder, int64_t * msc );
+extern GLuint driGetDefaultVBlankFlags( void );
+extern int driWaitForVBlank( const __DRIdrawablePrivate *priv,
+    GLuint * vbl_seq, GLuint flags, GLboolean * missed_deadline );
+
+#undef usleep
+#include <unistd.h>  /* for usleep() */
+
+#define DO_USLEEP(nr)							\
+   do {								 	\
+      if (0) fprintf(stderr, "%s: usleep for %u\n", __FUNCTION__, nr );	\
+      if (1) usleep( nr );						\
+      sched_yield();							\
+   } while( 0 )
+
+#endif /* DRI_VBLANK_H */