-/* $XFree86: xc/lib/GL/mesa/src/drv/radeon/radeon_lock.h,v 1.3 2002/10/30 12:51:55 alanh Exp $ */
/**************************************************************************
Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
VA Linux Systems Inc., Fremont, California.
+Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
All Rights Reserved.
/*
* Authors:
- * Kevin E. Martin <martin@valinux.com>
* Gareth Hughes <gareth@valinux.com>
+ * Keith Whitwell <keith@tungstengraphics.com>
+ * Kevin E. Martin <martin@valinux.com>
*/
-#ifndef __RADEON_LOCK_H__
-#define __RADEON_LOCK_H__
-
-#ifdef GLX_DIRECT_RENDERING
-
-extern void radeonGetLock( radeonContextPtr rmesa, GLuint flags );
-
-/* Turn DEBUG_LOCKING on to find locking conflicts.
- */
-#define DEBUG_LOCKING 0
-
-#if DEBUG_LOCKING
-extern char *prevLockFile;
-extern int prevLockLine;
-
-#define DEBUG_LOCK() \
- do { \
- prevLockFile = (__FILE__); \
- prevLockLine = (__LINE__); \
- } while (0)
-
-#define DEBUG_RESET() \
- do { \
- prevLockFile = 0; \
- prevLockLine = 0; \
- } while (0)
+#ifndef COMMON_LOCK_H
+#define COMMON_LOCK_H
-#define DEBUG_CHECK_LOCK() \
- do { \
- if ( prevLockFile ) { \
- fprintf( stderr, \
- "LOCK SET!\n\tPrevious %s:%d\n\tCurrent: %s:%d\n", \
- prevLockFile, prevLockLine, __FILE__, __LINE__ ); \
- exit( 1 ); \
- } \
- } while (0)
+#include "main/colormac.h"
+#include "radeon_screen.h"
+#include "radeon_common.h"
-#else
-
-#define DEBUG_LOCK()
-#define DEBUG_RESET()
-#define DEBUG_CHECK_LOCK()
+extern void radeonGetLock(radeonContextPtr rmesa, GLuint flags);
+void radeon_lock_hardware(radeonContextPtr rmesa
+#ifndef NDEBUG
+ ,const char* function
+ ,const char* file
+ ,const int line
#endif
-
-/*
- * !!! We may want to separate locks from locks with validation. This
- * could be used to improve performance for those things commands that
- * do not do any drawing !!!
- */
-
+ );
+void radeon_unlock_hardware(radeonContextPtr rmesa);
/* Lock the hardware and validate our state.
*/
-#define LOCK_HARDWARE( rmesa ) \
- do { \
- char __ret = 0; \
- DEBUG_CHECK_LOCK(); \
- DRM_CAS( rmesa->dri.hwLock, rmesa->dri.hwContext, \
- (DRM_LOCK_HELD | rmesa->dri.hwContext), __ret ); \
- if ( __ret ) \
- radeonGetLock( rmesa, 0 ); \
- DEBUG_LOCK(); \
- } while (0)
-
-/* Unlock the hardware. We must assume that state has been lost when we unlock,
- * because when we next grab the lock (to emit an accumulated cmdbuf), we don't
- * have the information to recreate the context state as of the last unlock in
- * in the case that we did lose the context state.
- *
- * The alternative to this would be to copy out the state on unlock
- * (approximately) and if we did lose the context, dispatch a cmdbuf to reset
- * the state to that old copy before continuing with the accumulated command
- * buffer.
- */
-#define UNLOCK_HARDWARE( rmesa ) \
- do { \
- DRM_UNLOCK( rmesa->dri.fd, \
- rmesa->dri.hwLock, \
- rmesa->dri.hwContext ); \
- DEBUG_RESET(); \
- rmesa->lost_context = GL_TRUE; \
- } while (0)
+#ifdef NDEBUG
+#define LOCK_HARDWARE( rmesa ) radeon_lock_hardware(rmesa)
+#else
+#define LOCK_HARDWARE( rmesa ) radeon_lock_hardware(rmesa, __FUNCTION__, __FILE__, __LINE__)
+#endif
+#define UNLOCK_HARDWARE( rmesa ) radeon_unlock_hardware(rmesa)
#endif
-#endif /* __RADEON_LOCK_H__ */