diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/radeon_lock.h')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/r300/radeon_lock.h | 116 |
1 files changed, 1 insertions, 115 deletions
diff --git a/src/mesa/drivers/dri/r300/radeon_lock.h b/src/mesa/drivers/dri/r300/radeon_lock.h index a344837f47..64bdf94ee7 100644..120000 --- a/src/mesa/drivers/dri/r300/radeon_lock.h +++ b/src/mesa/drivers/dri/r300/radeon_lock.h @@ -1,115 +1 @@ -/************************************************************************** - -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__ - -#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) - -#define UNLOCK_HARDWARE( rmesa ) \ - do { \ - DRM_UNLOCK((rmesa)->dri.fd, \ - (rmesa)->dri.hwLock, \ - (rmesa)->dri.hwContext); \ - DEBUG_RESET(); \ - } while (0) - -#endif /* __RADEON_LOCK_H__ */ +../radeon/radeon_lock.h
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