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