1 /* 2 * Copyright 2017 Advanced Micro Devices, Inc. 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 #ifndef GLSPIRV_H 25 #define GLSPIRV_H 26 27 #include "mtypes.h" 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /** 34 * A SPIR-V module contains the raw SPIR-V binary as set by ShaderBinary. 35 * 36 * It is reference-counted, because the same module can be attached to multiple 37 * shader objects simultaneously. 38 */ 39 struct gl_spirv_module { 40 unsigned RefCount; 41 GLint Length; 42 char Binary[0]; 43 }; 44 45 /** 46 * SPIR-V data needed to compile and link a SPIR-V shader. 47 * 48 * It includes a SPIR-V binary that is potentially shared among different 49 * shaders; and shader-specific specialization constants and entry point. 50 * 51 * It is reference-counted because it is shared between gl_shader and its 52 * corresponding gl_linked_shader. 53 */ 54 struct gl_shader_spirv_data { 55 GLint RefCount; 56 57 struct gl_spirv_module *SpirVModule; 58 59 GLchar *SpirVEntryPoint; 60 61 GLuint NumSpecializationConstants; 62 GLuint *SpecializationConstantsIndex; 63 GLuint *SpecializationConstantsValue; 64 }; 65 66 void 67 _mesa_spirv_module_reference(struct gl_spirv_module **dest, 68 struct gl_spirv_module *src); 69 70 void 71 _mesa_shader_spirv_data_reference(struct gl_shader_spirv_data **dest, 72 struct gl_shader_spirv_data *src); 73 74 void 75 _mesa_spirv_shader_binary(struct gl_context *ctx, 76 unsigned n, struct gl_shader **shaders, 77 const void* binary, size_t length); 78 79 /** 80 * \name API functions 81 */ 82 /*@{*/ 83 84 void GLAPIENTRY 85 _mesa_SpecializeShaderARB(GLuint shader, 86 const GLchar *pEntryPoint, 87 GLuint numSpecializationConstants, 88 const GLuint *pConstantIndex, 89 const GLuint *pConstantValue); 90 91 /*@}*/ 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif /* GLSPIRV_H */ 98