From 93a458840c77b784fb74738f734ba2c5d22ca7a7 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Wed, 6 Aug 2003 18:12:22 +0000 Subject: Shared dri driver resources --- src/mesa/drivers/dri/common/vblank.h | 62 ++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 src/mesa/drivers/dri/common/vblank.h (limited to 'src/mesa/drivers/dri/common/vblank.h') diff --git a/src/mesa/drivers/dri/common/vblank.h b/src/mesa/drivers/dri/common/vblank.h new file mode 100644 index 0000000000..3dab4ead3c --- /dev/null +++ b/src/mesa/drivers/dri/common/vblank.h @@ -0,0 +1,62 @@ +/* -*- 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 + */ +/* $XFree86:$ */ + +#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 /* for usleep() */ + +#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 */ -- cgit v1.2.3