1 /*
2  * Copyright 2017 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  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 /**
25  * \file
26  * \brief SPIRV-V extension handling. See ARB_spirv_extensions
27  */
28 
29 #ifndef _SPIRVEXTENSIONS_H_
30 #define _SPIRVEXTENSIONS_H_
31 
32 #include "mtypes.h"
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 enum SpvExtension {
39    SPV_KHR_16bit_storage = 0,
40    SPV_KHR_device_group,
41    SPV_KHR_multiview,
42    SPV_KHR_shader_ballot,
43    SPV_KHR_shader_draw_parameters,
44    SPV_KHR_storage_buffer_storage_class,
45    SPV_KHR_subgroup_vote,
46    SPV_KHR_variable_pointers,
47    SPV_AMD_gcn_shader,
48    SPV_EXTENSIONS_COUNT
49 };
50 
51 struct spirv_supported_extensions {
52    /** Flags the supported extensions. Array to make it easier to iterate. */
53    bool supported[SPV_EXTENSIONS_COUNT];
54 
55    /** Number of supported extensions */
56    unsigned int count;
57 };
58 
59 extern GLuint
60 _mesa_get_spirv_extension_count(struct gl_context *ctx);
61 
62 extern const GLubyte *
63 _mesa_get_enabled_spirv_extension(struct gl_context *ctx,
64                                   GLuint index);
65 
66 const char *_mesa_spirv_extensions_to_string(enum SpvExtension ext);
67 
68 void _mesa_fill_supported_spirv_extensions(struct spirv_supported_extensions *ext,
69                                            const struct spirv_supported_capabilities *cap);
70 
71 #ifdef __cplusplus
72 }
73 #endif
74 
75 #endif /* SPIRVEXTENSIONS_H */
76