/* -*- 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: xc/lib/GL/mesa/src/drv/common/vblank.h,v 1.2 2003/11/13 04:01:04 tsi Exp $ */ #ifndef DRI_VBLANK_H #define DRI_VBLANK_H #include "context.h" #include "dri_util.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. */ extern int driGetMSC32( __DRIscreenPrivate * priv, int64_t * count ); extern int driWaitForMSC32( __DRIdrawablePrivate *priv, int64_t target_msc, int64_t divisor, int64_t remainder, int64_t * msc ); extern GLuint driGetDefaultVBlankFlags( void ); extern int driWaitForVBlank( const __DRIdrawablePrivate *priv, GLuint * vbl_seq, GLuint flags, GLboolean * missed_deadline ); #undef usleep #include <unistd.h> /* for usleep() */ #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 */