1/**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/* Author:
29 *    Keith Whitwell <keith@tungstengraphics.com>
30 */
31
32
33#include "pipe/p_defines.h"
34#include "draw/draw_context.h"
35#include "i915_context.h"
36#include "i915_reg.h"
37#include "i915_batch.h"
38#include "i915_debug.h"
39
40
41static void i915_flush_pipe( struct pipe_context *pipe,
42                             struct pipe_fence_handle **fence )
43{
44   struct i915_context *i915 = i915_context(pipe);
45
46   /* Only shortcut this if we have no fence, otherwise we must flush the
47    * empty batchbuffer to get our fence back.
48    */
49   if (!fence && i915->batch && (i915->batch->map == i915->batch->ptr)) {
50      return;
51   }
52
53   /* If there are no flags, just flush pending commands to hardware:
54    */
55   FLUSH_BATCH(fence);
56
57   I915_DBG(DBG_FLUSH, "%s: #####\n", __FUNCTION__);
58}
59
60void i915_init_flush_functions( struct i915_context *i915 )
61{
62   i915->base.flush = i915_flush_pipe;
63}
64
65/**
66 * Here we handle all the notifications that needs to go out on a flush.
67 * XXX might move above function to i915_pipe_flush.c and leave this here.
68 */
69void i915_flush(struct i915_context *i915, struct pipe_fence_handle **fence)
70{
71   struct i915_winsys_batchbuffer *batch = i915->batch;
72
73   batch->iws->batchbuffer_flush(batch, fence);
74   i915->vbo_flushed = 1;
75   i915->hardware_dirty = ~0;
76   i915->immediate_dirty = ~0;
77   i915->dynamic_dirty = ~0;
78   i915->static_dirty = ~0;
79   /* kernel emits flushes in between batchbuffers */
80   i915->flush_dirty = 0;
81   i915->fired_vertices += i915->queued_vertices;
82   i915->queued_vertices = 0;
83}
84