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 "compiler/nir/nir.h" 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 struct gl_shader_program; 34 struct gl_context; 35 struct gl_shader; 36 37 /** 38 * A SPIR-V module contains the raw SPIR-V binary as set by ShaderBinary. 39 * 40 * It is reference-counted, because the same module can be attached to multiple 41 * shader objects simultaneously. 42 */ 43 struct gl_spirv_module { 44 unsigned RefCount; 45 GLint Length; 46 char Binary[0]; 47 }; 48 49 /** 50 * SPIR-V data needed to compile and link a SPIR-V shader. 51 * 52 * It includes a SPIR-V binary that is potentially shared among different 53 * shaders; and shader-specific specialization constants and entry point. 54 * 55 * It is reference-counted because it is shared between gl_shader and its 56 * corresponding gl_linked_shader. 57 */ 58 struct gl_shader_spirv_data { 59 GLint RefCount; 60 61 struct gl_spirv_module *SpirVModule; 62 63 GLchar *SpirVEntryPoint; 64 65 GLuint NumSpecializationConstants; 66 GLuint *SpecializationConstantsIndex; 67 GLuint *SpecializationConstantsValue; 68 }; 69 70 void 71 _mesa_spirv_module_reference(struct gl_spirv_module **dest, 72 struct gl_spirv_module *src); 73 74 void 75 _mesa_shader_spirv_data_reference(struct gl_shader_spirv_data **dest, 76 struct gl_shader_spirv_data *src); 77 78 void 79 _mesa_spirv_shader_binary(struct gl_context *ctx, 80 unsigned n, struct gl_shader **shaders, 81 const void* binary, size_t length); 82 83 void 84 _mesa_spirv_link_shaders(struct gl_context *ctx, 85 struct gl_shader_program *prog); 86 87 nir_shader * 88 _mesa_spirv_to_nir(struct gl_context *ctx, 89 const struct gl_shader_program *prog, 90 gl_shader_stage stage, 91 const nir_shader_compiler_options *options); 92 93 /** 94 * \name API functions 95 */ 96 /*@{*/ 97 98 void GLAPIENTRY 99 _mesa_SpecializeShaderARB(GLuint shader, 100 const GLchar *pEntryPoint, 101 GLuint numSpecializationConstants, 102 const GLuint *pConstantIndex, 103 const GLuint *pConstantValue); 104 105 /*@}*/ 106 107 #ifdef __cplusplus 108 } 109 #endif 110 111 #endif /* GLSPIRV_H */ 112