spirv: add SPV_KHR_shader_draw_parameters support
[mesa.git] / src / compiler / spirv / nir_spirv.h
1 /*
2 * Copyright © 2015 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 DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Jason Ekstrand (jason@jlekstrand.net)
25 *
26 */
27
28 #pragma once
29
30 #ifndef _NIR_SPIRV_H_
31 #define _NIR_SPIRV_H_
32
33 #include "nir/nir.h"
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 struct nir_spirv_specialization {
40 uint32_t id;
41 union {
42 uint32_t data32;
43 uint64_t data64;
44 };
45 };
46
47 struct nir_spirv_supported_extensions {
48 bool float64;
49 bool image_ms_array;
50 bool tessellation;
51 bool draw_parameters;
52 };
53
54 nir_function *spirv_to_nir(const uint32_t *words, size_t word_count,
55 struct nir_spirv_specialization *specializations,
56 unsigned num_specializations,
57 gl_shader_stage stage, const char *entry_point_name,
58 const struct nir_spirv_supported_extensions *ext,
59 const nir_shader_compiler_options *options);
60
61 #ifdef __cplusplus
62 }
63 #endif
64
65 #endif /* _NIR_SPIRV_H_ */