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
29struct i915_request;
30struct intel_engine_cs;
31struct i915_vma;
32
33struct intel_renderstate_rodata {
34	const u32 *reloc;
35	const u32 *batch;
36	const u32 batch_items;
37};
38
39#define RO_RENDERSTATE(_g)						\
40	const struct intel_renderstate_rodata gen ## _g ## _null_state = { \
41		.reloc = gen ## _g ## _null_state_relocs,		\
42		.batch = gen ## _g ## _null_state_batch,		\
43		.batch_items = sizeof(gen ## _g ## _null_state_batch)/4, \
44	}
45
46extern const struct intel_renderstate_rodata gen6_null_state;
47extern const struct intel_renderstate_rodata gen7_null_state;
48extern const struct intel_renderstate_rodata gen8_null_state;
49extern const struct intel_renderstate_rodata gen9_null_state;
50
51struct intel_renderstate {
52	const struct intel_renderstate_rodata *rodata;
53	struct i915_vma *vma;
54	u32 batch_offset;
55	u32 batch_size;
56	u32 aux_offset;
57	u32 aux_size;
58};
59
60int intel_renderstate_init(struct intel_renderstate *so,
61			   struct intel_engine_cs *engine);
62int intel_renderstate_emit(struct intel_renderstate *so,
63			   struct i915_request *rq);
64void intel_renderstate_fini(struct intel_renderstate *so);
65
66#endif /* _INTEL_RENDERSTATE_H_ */