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/**************************************************************************
*
* Copyright 2007 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.
*
**************************************************************************/
/*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
* Brian Paul
*/
#include "main/glheader.h"
#include "main/macros.h"
#include "st_context.h"
#include "st_cb_flush.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_winsys.h"
static void st_flush(GLcontext *ctx)
{
struct st_context *st = ctx->st;
/* If there has been no rendering to the frontbuffer, consider
* short-circuiting this, or perhaps pass an "optional" flag down
* to the driver so that it can make the decision.
*/
st->pipe->flush( st->pipe, 0 );
/* XXX: temporary hack. This flag should only be set if we do any
* rendering to the front buffer.
*/
st->flags.frontbuffer_dirty = (ctx->DrawBuffer->_ColorDrawBufferMask[0] ==
BUFFER_BIT_FRONT_LEFT);
if (st->flags.frontbuffer_dirty) {
/* Hook for copying "fake" frontbuffer if necessary:
*/
st->pipe->winsys->flush_frontbuffer( st->pipe->winsys );
st->flags.frontbuffer_dirty = 0;
}
}
static void st_finish(GLcontext *ctx)
{
struct st_context *st = ctx->st;
st_flush( ctx );
st->pipe->winsys->wait_idle( st->pipe->winsys );
}
void st_init_flush_functions(struct dd_function_table *functions)
{
functions->Flush = st_flush;
functions->Finish = st_finish;
}
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