1/*
2 * Copyright © 2014 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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24#ifndef _INTEL_RENDERSTATE_H_
25#define _INTEL_RENDERSTATE_H_
26
27#include <linux/types.h>
28#include "i915_gem.h"
29
30struct i915_request;
31struct intel_context;
32struct i915_vma;
33
34struct intel_renderstate_rodata {
35	const u32 *reloc;
36	const u32 *batch;
37	const u32 batch_items;
38};
39
40#define RO_RENDERSTATE(_g)						\
41	const struct intel_renderstate_rodata gen ## _g ## _null_state = { \
42		.reloc = gen ## _g ## _null_state_relocs,		\
43		.batch = gen ## _g ## _null_state_batch,		\
44		.batch_items = sizeof(gen ## _g ## _null_state_batch)/4, \
45	}
46
47extern const struct intel_renderstate_rodata gen6_null_state;
48extern const struct intel_renderstate_rodata gen7_null_state;
49extern const struct intel_renderstate_rodata gen8_null_state;
50extern const struct intel_renderstate_rodata gen9_null_state;
51
52struct intel_renderstate {
53	struct i915_gem_ww_ctx ww;
54	const struct intel_renderstate_rodata *rodata;
55	struct i915_vma *vma;
56	u32 batch_offset;
57	u32 batch_size;
58	u32 aux_offset;
59	u32 aux_size;
60};
61
62int intel_renderstate_init(struct intel_renderstate *so,
63			   struct intel_context *ce);
64int intel_renderstate_emit(struct intel_renderstate *so,
65			   struct i915_request *rq);
66void intel_renderstate_fini(struct intel_renderstate *so,
67			    struct intel_context *ce);
68
69#endif /* _INTEL_RENDERSTATE_H_ */
70