1/*
2 * Copyright © 2011-2013 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Chris Wilson <chris@chris-wilson.co.uk>
25 *
26 */
27
28#ifdef HAVE_CONFIG_H
29#include "config.h"
30#endif
31
32#include "gen4_common.h"
33#include "gen4_vertex.h"
34
35void gen4_render_flush(struct sna *sna)
36{
37	gen4_vertex_close(sna);
38
39	assert(sna->render.vb_id == 0);
40	assert(sna->render.vertex_offset == 0);
41}
42
43void gen4_render_retire(struct kgem *kgem)
44{
45	struct sna *sna;
46
47	sna = container_of(kgem, struct sna, kgem);
48	if (sna->render.nvertex_reloc == 0 && sna->render.vbo && !kgem_bo_is_busy(sna->render.vbo)) {
49		DBG(("%s: resetting idle vbo\n", __FUNCTION__));
50		sna->render.vertex_used = 0;
51		sna->render.vertex_index = 0;
52	}
53}
54
55void gen4_render_expire(struct kgem *kgem)
56{
57	struct sna *sna;
58
59	sna = container_of(kgem, struct sna, kgem);
60	if (sna->render.vbo && !sna->render.vertex_used) {
61		DBG(("%s: discarding vbo\n", __FUNCTION__));
62		discard_vbo(sna);
63	}
64}
65