diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel_winsys/intel_lock.c')
-rw-r--r-- | src/mesa/drivers/dri/intel_winsys/intel_lock.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/mesa/drivers/dri/intel_winsys/intel_lock.c b/src/mesa/drivers/dri/intel_winsys/intel_lock.c deleted file mode 100644 index 70aa7ea5f4..0000000000 --- a/src/mesa/drivers/dri/intel_winsys/intel_lock.c +++ /dev/null @@ -1,102 +0,0 @@ -/************************************************************************** - * - * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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, 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 TUNGSTEN GRAPHICS 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. - * - **************************************************************************/ - - -#include "main/glheader.h" -#include "glapi/glthread.h" -#include <GL/internal/glcore.h> -#include "state_tracker/st_public.h" -#include "intel_context.h" -#include "i830_dri.h" - - - -_glthread_DECLARE_STATIC_MUTEX( lockMutex ); - - -static void -intelContendedLock(struct intel_context *intel, uint flags) -{ - __DRIdrawablePrivate *dPriv = intel->driDrawable; - __DRIscreenPrivate *sPriv = intel->driScreen; - struct intel_screen *intelScreen = intel_screen(sPriv); - drmI830Sarea *sarea = intel->sarea; - - drmGetLock(intel->driFd, intel->hHWContext, flags); - - DBG(LOCK, "%s - got contended lock\n", __progname); - - /* If the window moved, may need to set a new cliprect now. - * - * NOTE: This releases and regains the hw lock, so all state - * checking must be done *after* this call: - */ - if (dPriv) - DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); - - if (sarea->width != intelScreen->front.width || - sarea->height != intelScreen->front.height) { - - intelUpdateScreenRotation(sPriv, sarea); - } -} - - -/* Lock the hardware and validate our state. - */ -void LOCK_HARDWARE( struct intel_context *intel ) -{ - char __ret = 0; - - _glthread_LOCK_MUTEX(lockMutex); - assert(!intel->locked); - - DRM_CAS(intel->driHwLock, intel->hHWContext, - (DRM_LOCK_HELD|intel->hHWContext), __ret); - - if (__ret) - intelContendedLock( intel, 0 ); - - DBG(LOCK, "%s - locked\n", __progname); - - intel->locked = 1; -} - - -/* Unlock the hardware using the global current context - */ -void UNLOCK_HARDWARE( struct intel_context *intel ) -{ - assert(intel->locked); - intel->locked = 0; - - DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); - - _glthread_UNLOCK_MUTEX(lockMutex); - - DBG(LOCK, "%s - unlocked\n", __progname); -} |