summaryrefslogtreecommitdiffstats
path: root/src/mesa/main/glspirv.h
blob: b8a0125ea9f2d16087f7d1414ef5925dc9432c8f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
/*
 * Copyright 2017 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef GLSPIRV_H
#define GLSPIRV_H

#include "mtypes.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * A SPIR-V module contains the raw SPIR-V binary as set by ShaderBinary.
 *
 * It is reference-counted, because the same module can be attached to multiple
 * shader objects simultaneously.
 */
struct gl_spirv_module {
   unsigned RefCount;
   GLint Length;
   char Binary[0];
};

/**
 * SPIR-V data needed to compile and link a SPIR-V shader.
 *
 * It includes a SPIR-V binary that is potentially shared among different
 * shaders; and shader-specific specialization constants and entry point.
 *
 * It is reference-counted because it is shared between gl_shader and its
 * corresponding gl_linked_shader.
 */
struct gl_shader_spirv_data {
   GLint RefCount;

   struct gl_spirv_module *SpirVModule;

   GLchar *SpirVEntryPoint;

   GLuint NumSpecializationConstants;
   GLuint *SpecializationConstantsIndex;
   GLuint *SpecializationConstantsValue;
};

void
_mesa_spirv_module_reference(struct gl_spirv_module **dest,
                             struct gl_spirv_module *src);

void
_mesa_shader_spirv_data_reference(struct gl_shader_spirv_data **dest,
                                  struct gl_shader_spirv_data *src);

/**
 * \name API functions
 */
/*@{*/

void GLAPIENTRY
_mesa_SpecializeShaderARB(GLuint shader,
                          const GLchar *pEntryPoint,
                          GLuint numSpecializationConstants,
                          const GLuint *pConstantIndex,
                          const GLuint *pConstantValue);

/*@}*/

#ifdef __cplusplus
}
#endif

#endif /* GLSPIRV_H */