1/**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.com>
30 */
31
32
33#include "pipe/p_defines.h"
34#include "draw/draw_context.h"
35#include "i915_context.h"
36#include "i915_batch.h"
37#include "i915_debug.h"
38#include "i915_reg.h"
39
40
41static void i915_flush_pipe( struct pipe_context *pipe,
42                             struct pipe_fence_handle **fence,
43                             unsigned flags )
44{
45   struct i915_context *i915 = i915_context(pipe);
46   enum i915_winsys_flush_flags winsys_flags = I915_FLUSH_ASYNC;
47
48   if (!i915->batch)
49      return;
50
51   /* Only shortcut this if we have no fence, otherwise we must flush the
52    * empty batchbuffer to get our fence back.
53    */
54   if (!fence && (i915->batch->map == i915->batch->ptr)) {
55      return;
56   }
57
58   if (flags == PIPE_FLUSH_END_OF_FRAME)
59      winsys_flags = I915_FLUSH_END_OF_FRAME;
60
61   FLUSH_BATCH(fence, winsys_flags);
62
63   I915_DBG(DBG_FLUSH, "%s: #####\n", __FUNCTION__);
64}
65
66void i915_init_flush_functions( struct i915_context *i915 )
67{
68   i915->base.flush = i915_flush_pipe;
69}
70
71/**
72 * Here we handle all the notifications that needs to go out on a flush.
73 * XXX might move above function to i915_pipe_flush.c and leave this here.
74 */
75void i915_flush(struct i915_context *i915,
76                struct pipe_fence_handle **fence,
77                unsigned flags)
78{
79   struct i915_winsys_batchbuffer *batch = i915->batch;
80
81   batch->iws->batchbuffer_flush(batch, fence, flags);
82   i915->vbo_flushed = 1;
83   i915->hardware_dirty = ~0;
84   i915->immediate_dirty = ~0;
85   i915->dynamic_dirty = ~0;
86   i915->static_dirty = ~0;
87   /* kernel emits flushes in between batchbuffers */
88   i915->flush_dirty = 0;
89   i915->fired_vertices += i915->queued_vertices;
90   i915->queued_vertices = 0;
91}
92