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