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
i915_flush_pipe(struct pipe_context * pipe,struct pipe_fence_handle ** fence)41 static 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
i915_init_flush_functions(struct i915_context * i915)60 void 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 */
i915_flush(struct i915_context * i915,struct pipe_fence_handle ** fence)69 void 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