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
i915_flush_pipe(struct pipe_context * pipe,struct pipe_fence_handle ** fence,unsigned flags)41 static 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
i915_init_flush_functions(struct i915_context * i915)66 void 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 */
i915_flush(struct i915_context * i915,struct pipe_fence_handle ** fence,unsigned flags)75 void 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