1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "pipe/p_defines.h"
34 #include "draw/draw_context.h"
35 #include "i915_context.h"
37 #include "i915_batch.h"
38 #include "i915_debug.h"
41 static void i915_flush( struct pipe_context *pipe,
43 struct pipe_fence_handle **fence )
45 struct i915_context *i915 = i915_context(pipe);
47 draw_flush(i915->draw);
50 /* Do we need to emit an MI_FLUSH command to flush the hardware
53 if (flags & (PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_TEXTURE_CACHE)) {
54 unsigned flush = MI_FLUSH;
56 if (!(flags & PIPE_FLUSH_RENDER_CACHE))
57 flush |= INHIBIT_FLUSH_RENDER_CACHE;
59 if (flags & PIPE_FLUSH_TEXTURE_CACHE)
60 flush |= FLUSH_MAP_CACHE;
62 if (!BEGIN_BATCH(1, 0)) {
64 assert(BEGIN_BATCH(1, 0));
70 if (i915->batch->map == i915->batch->ptr) {
74 /* If there are no flags, just flush pending commands to hardware:
77 i915->vbo_flushed = 1;
79 I915_DBG(DBG_FLUSH, "%s: #####\n", __FUNCTION__);
82 void i915_init_flush_functions( struct i915_context *i915 )
84 i915->base.flush = i915_flush;