diff options
Diffstat (limited to 'src/gallium/winsys/g3dvl/nouveau/nouveau_lock.c')
| -rw-r--r-- | src/gallium/winsys/g3dvl/nouveau/nouveau_lock.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/src/gallium/winsys/g3dvl/nouveau/nouveau_lock.c b/src/gallium/winsys/g3dvl/nouveau/nouveau_lock.c deleted file mode 100644 index f2925869747..00000000000 --- a/src/gallium/winsys/g3dvl/nouveau/nouveau_lock.c +++ /dev/null @@ -1,92 +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 <pipe/p_thread.h> -#include <driclient.h> -#include "nouveau_context.h" -#include "nouveau_screen.h" - -pipe_static_mutex(lockMutex); - -static void -nouveau_contended_lock(struct nouveau_context *nv, unsigned int flags) -{ - dri_drawable_t *dri_drawable = nv->dri_drawable; - dri_screen_t *dri_screen = nv->dri_context->dri_screen; - struct nouveau_screen *nv_screen = nv->nv_screen; - struct nouveau_device *dev = nv_screen->device; - struct nouveau_device_priv *nvdev = nouveau_device(dev); - - drmGetLock(nvdev->fd, nvdev->ctx, flags); - - /* 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 (dri_drawable) - DRI_VALIDATE_DRAWABLE_INFO(dri_screen, dri_drawable); -} - -/* Lock the hardware and validate our state. - */ -void -LOCK_HARDWARE(struct nouveau_context *nv) -{ - struct nouveau_screen *nv_screen = nv->nv_screen; - struct nouveau_device *dev = nv_screen->device; - struct nouveau_device_priv *nvdev = nouveau_device(dev); - char __ret=0; - - pipe_mutex_lock(lockMutex); - assert(!nv->locked); - - DRM_CAS(nvdev->lock, nvdev->ctx, - (DRM_LOCK_HELD | nvdev->ctx), __ret); - - if (__ret) - nouveau_contended_lock(nv, 0); - nv->locked = 1; -} - - -/* Unlock the hardware using the global current context - */ -void -UNLOCK_HARDWARE(struct nouveau_context *nv) -{ - struct nouveau_screen *nv_screen = nv->nv_screen; - struct nouveau_device *dev = nv_screen->device; - struct nouveau_device_priv *nvdev = nouveau_device(dev); - - assert(nv->locked); - nv->locked = 0; - - DRM_UNLOCK(nvdev->fd, nvdev->lock, nvdev->ctx); - - pipe_mutex_unlock(lockMutex); -} |