| /* -*- mode: c; c-basic-offset: 3 -*- */ |
| /* |
| * (c) Copyright IBM Corporation 2002 |
| * 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 |
| * on 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 |
| * VA LINUX SYSTEM, IBM AND/OR THEIR 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: |
| * Ian Romanick <idr@us.ibm.com> |
| */ |
| /* $XFree86:$ */ |
| |
| #ifndef DRI_VBLANK_H |
| #define DRI_VBLANK_H |
| |
| #include "context.h" |
| #include "dri_util.h" |
| #include "xmlconfig.h" |
| |
| #define VBLANK_FLAG_INTERVAL (1U << 0) /* Respect the swap_interval setting |
| */ |
| #define VBLANK_FLAG_THROTTLE (1U << 1) /* Wait 1 refresh since last call. |
| */ |
| #define VBLANK_FLAG_SYNC (1U << 2) /* Sync to the next refresh. |
| */ |
| #define VBLANK_FLAG_NO_IRQ (1U << 7) /* DRM has no IRQ to wait on. |
| */ |
| #define VBLANK_FLAG_SECONDARY (1U << 8) /* Wait for secondary vblank. |
| */ |
| |
| extern int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count ); |
| extern int driDrawableGetMSC32( __DRIscreenPrivate * priv, |
| __DRIdrawablePrivate * drawablePrivate, |
| int64_t * count); |
| extern int driWaitForMSC32( __DRIdrawablePrivate *priv, |
| int64_t target_msc, int64_t divisor, int64_t remainder, int64_t * msc ); |
| extern GLuint driGetDefaultVBlankFlags( const driOptionCache *optionCache ); |
| extern void driDrawableInitVBlank ( __DRIdrawablePrivate *priv ); |
| extern unsigned driGetVBlankInterval( const __DRIdrawablePrivate *priv ); |
| extern void driGetCurrentVBlank( __DRIdrawablePrivate *priv ); |
| extern int driWaitForVBlank( __DRIdrawablePrivate *priv, |
| GLboolean * missed_deadline ); |
| |
| #undef usleep |
| #include <unistd.h> /* for usleep() */ |
| #include <sched.h> /* for sched_yield() */ |
| |
| #ifdef linux |
| #include <sched.h> /* for sched_yield() */ |
| #endif |
| |
| #define DO_USLEEP(nr) \ |
| do { \ |
| if (0) fprintf(stderr, "%s: usleep for %u\n", __FUNCTION__, nr ); \ |
| if (1) usleep( nr ); \ |
| sched_yield(); \ |
| } while( 0 ) |
| |
| #endif /* DRI_VBLANK_H */ |
