return GL_TRUE;
}
-static void
-intelContendedLock(struct intel_context *intel, GLuint flags)
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- __DRIscreenPrivate *sPriv = intel->driScreen;
- intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private;
- 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);
- }
-
-#if 0
- if (sarea->width != intel->width ||
- sarea->height != intel->height ||
- sarea->rotation != intel->current_rotation) {
- int numClipRects = intel->numClipRects;
-
- /*
- * FIXME: Really only need to do this when drawing to a
- * common back- or front buffer.
- */
-
- /*
- * This will essentially drop the outstanding batchbuffer on the floor.
- */
- intel->numClipRects = 0;
-
- INTEL_FIREVERTICES(intel);
-
- if (intel->batch->map != intel->batch->ptr)
- intel_batchbuffer_flush(intel->batch);
-
- intel->numClipRects = numClipRects;
-
- /* force window update */
- intel->lastStamp = 0;
-
- intel->width = sarea->width;
- intel->height = sarea->height;
- intel->current_rotation = sarea->rotation;
- }
-#endif
-}
-
-
-/* Lock the hardware and validate our state.
- */
-void LOCK_HARDWARE( struct intel_context *intel )
-{
- char __ret=0;
- struct intel_framebuffer *intel_fb = NULL;
- int curbuf;
-
- _glthread_LOCK_MUTEX(lockMutex);
- assert(!intel->locked);
-
- if (intel->driDrawable) {
- intel_fb = intel->driDrawable->driverPrivate;
- }
-
- curbuf = 0; /* current draw buf: 0 = front, 1 = back */
-
- if (intel_fb && intel_fb->vblank_flags &&
- !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) &&
- (intel_fb->vbl_waited - intel_fb->vbl_pending[curbuf]) > (1<<23)) {
- drmVBlank vbl;
-
- vbl.request.type = DRM_VBLANK_ABSOLUTE;
-
- if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) {
- vbl.request.type |= DRM_VBLANK_SECONDARY;
- }
-
- vbl.request.sequence = intel_fb->vbl_pending[curbuf];
- drmWaitVBlank(intel->driFd, &vbl);
- intel_fb->vbl_waited = vbl.reply.sequence;
- }
-
- 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);
-}
+
--- /dev/null
+/**************************************************************************
+ *
+ * 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 "glheader.h"
+#include "context.h"
+#include "extensions.h"
+
+#include "intel_screen.h"
+
+#include "i830_dri.h"
+
+#include "intel_ioctl.h"
+#include "intel_batchbuffer.h"
+
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+
+#include "drirenderbuffer.h"
+#include "vblank.h"
+#include "utils.h"
+#include "xmlpool.h" /* for symbolic values of enum-type options */
+
+
+
+_glthread_DECLARE_STATIC_MUTEX( lockMutex );
+
+
+static void
+intelContendedLock(struct intel_context *intel, GLuint flags)
+{
+ __DRIdrawablePrivate *dPriv = intel->driDrawable;
+ __DRIscreenPrivate *sPriv = intel->driScreen;
+ intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private;
+ 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);
+ }
+
+#if 0
+ if (sarea->width != intel->width ||
+ sarea->height != intel->height ||
+ sarea->rotation != intel->current_rotation) {
+ int numClipRects = intel->numClipRects;
+
+ /*
+ * FIXME: Really only need to do this when drawing to a
+ * common back- or front buffer.
+ */
+
+ /*
+ * This will essentially drop the outstanding batchbuffer on the floor.
+ */
+ intel->numClipRects = 0;
+
+ INTEL_FIREVERTICES(intel);
+
+ if (intel->batch->map != intel->batch->ptr)
+ intel_batchbuffer_flush(intel->batch);
+
+ intel->numClipRects = numClipRects;
+
+ /* force window update */
+ intel->lastStamp = 0;
+
+ intel->width = sarea->width;
+ intel->height = sarea->height;
+ intel->current_rotation = sarea->rotation;
+ }
+#endif
+}
+
+/* Lock the hardware and validate our state.
+ */
+void LOCK_HARDWARE( struct intel_context *intel )
+{
+ char __ret=0;
+ struct intel_framebuffer *intel_fb = NULL;
+ int curbuf;
+
+ _glthread_LOCK_MUTEX(lockMutex);
+ assert(!intel->locked);
+
+ if (intel->driDrawable) {
+ intel_fb = intel->driDrawable->driverPrivate;
+ }
+
+ curbuf = 0; /* current draw buf: 0 = front, 1 = back */
+
+ if (intel_fb && intel_fb->vblank_flags &&
+ !(intel_fb->vblank_flags & VBLANK_FLAG_NO_IRQ) &&
+ (intel_fb->vbl_waited - intel_fb->vbl_pending[curbuf]) > (1<<23)) {
+ drmVBlank vbl;
+
+ vbl.request.type = DRM_VBLANK_ABSOLUTE;
+
+ if ( intel_fb->vblank_flags & VBLANK_FLAG_SECONDARY ) {
+ vbl.request.type |= DRM_VBLANK_SECONDARY;
+ }
+
+ vbl.request.sequence = intel_fb->vbl_pending[curbuf];
+ drmWaitVBlank(intel->driFd, &vbl);
+ intel_fb->vbl_waited = vbl.reply.sequence;
+ }
+
+ 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);
+}
projects / mesa.git / commitdiff