spirv: Drop the constant_as_global as option
[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 #ifndef _NIR_SPIRV_H_
29 #define _NIR_SPIRV_H_
30
31 #include "compiler/nir/nir.h"
32 #include "compiler/shader_info.h"
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 struct nir_spirv_specialization {
39 uint32_t id;
40 nir_const_value value;
41 bool defined_on_module;
42 };
43
44 enum nir_spirv_debug_level {
45 NIR_SPIRV_DEBUG_LEVEL_INFO,
46 NIR_SPIRV_DEBUG_LEVEL_WARNING,
47 NIR_SPIRV_DEBUG_LEVEL_ERROR,
48 };
49
50 enum nir_spirv_execution_environment {
51 NIR_SPIRV_VULKAN = 0,
52 NIR_SPIRV_OPENCL,
53 NIR_SPIRV_OPENGL,
54 };
55
56 struct spirv_to_nir_options {
57 enum nir_spirv_execution_environment environment;
58
59 /* Whether or not to lower all UBO/SSBO access to offsets up-front. */
60 bool lower_ubo_ssbo_access_to_offsets;
61
62 /* Whether to make FragCoord to a system value, the same as
63 * GLSLFragCoordIsSysVal in GLSL.
64 */
65 bool frag_coord_is_sysval;
66
67 /* Whether to keep ViewIndex as an input instead of rewriting to a sysval.
68 */
69 bool view_index_is_input;
70
71 struct spirv_supported_capabilities caps;
72
73 /* Address format for various kinds of pointers. */
74 nir_address_format ubo_addr_format;
75 nir_address_format ssbo_addr_format;
76 nir_address_format phys_ssbo_addr_format;
77 nir_address_format push_const_addr_format;
78 nir_address_format shared_addr_format;
79 nir_address_format global_addr_format;
80 nir_address_format temp_addr_format;
81 nir_address_format constant_addr_format;
82
83 struct {
84 void (*func)(void *private_data,
85 enum nir_spirv_debug_level level,
86 size_t spirv_offset,
87 const char *message);
88 void *private_data;
89 } debug;
90 };
91
92 bool gl_spirv_validation(const uint32_t *words, size_t word_count,
93 struct nir_spirv_specialization *spec, unsigned num_spec,
94 gl_shader_stage stage, const char *entry_point_name);
95
96 nir_shader *spirv_to_nir(const uint32_t *words, size_t word_count,
97 struct nir_spirv_specialization *specializations,
98 unsigned num_specializations,
99 gl_shader_stage stage, const char *entry_point_name,
100 const struct spirv_to_nir_options *options,
101 const nir_shader_compiler_options *nir_options);
102
103 #ifdef __cplusplus
104 }
105 #endif
106
107 #endif /* _NIR_SPIRV_H_ */