+++ /dev/null
-/**************************************************************************
-
-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.
-
-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 (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 NONINFRINGEMENT.
-IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS 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:
- * Gareth Hughes <gareth@valinux.com>
- * Keith Whitwell <keith@tungstengraphics.com>
- * Kevin E. Martin <martin@valinux.com>
- */
-
-#ifndef __RADEON_LOCK_H__
-#define __RADEON_LOCK_H__
-
-#if 0
-#include "r200_ioctl.h"
-#endif
-#include "radeon_context.h"
-
-extern void radeonGetLock(radeonContextPtr rmesa, GLuint flags);
-extern void radeonUpdatePageFlipping(radeonContextPtr rmesa);
-
-/* 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)
-
-#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)
-
-#else
-
-#define DEBUG_LOCK()
-#define DEBUG_RESET()
-#define DEBUG_CHECK_LOCK()
-
-#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 !!!
- */
-
-/* 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)
-
-#if R200_MERGED
-#define UNLOCK_HARDWARE( rmesa ) \
- do { \
- DRM_UNLOCK((rmesa)->dri.fd, \
- (rmesa)->dri.hwLock, \
- (rmesa)->dri.hwContext); \
- DEBUG_RESET(); \
- if (IS_R200_CLASS((rmesa)->radeonScreen)) { \
- r200ContextPtr __r200 = (r200ContextPtr)(rmesa); \
- if (__r200->save_on_next_unlock) \
- r200SaveHwState(__r200); \
- __r200->save_on_next_unlock = GL_FALSE; \
- } \
- } while (0)
-#else
-#define UNLOCK_HARDWARErmesa \
- do { \
- DRM_UNLOCK((rmesa)->dri.fd, \
- (rmesa)->dri.hwLock, \
- (rmesa)->dri.hwContext); \
- DEBUG_RESET(); \
- } while (0)
-#endif
-#endif /* __RADEON_LOCK_H__ */
projects / mesa.git / blobdiff