1 /* 2 * Copyright © 2011 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * 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 NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 /* This file declares stripped-down versions of functions that 25 * normally exist outside of the glsl folder, so that they can be used 26 * when running the GLSL compiler standalone (for unit testing or 27 * compiling builtins). 28 */ 29 30 #ifndef STANDALONE_SCAFFOLDING_H 31 #define STANDALONE_SCAFFOLDING_H 32 33 #include <assert.h> 34 #include "main/menums.h" 35 #include "program/prog_statevars.h" 36 37 extern "C" void 38 _mesa_warning(struct gl_context *ctx, const char *fmtString, ... ); 39 40 extern "C" void 41 _mesa_problem(struct gl_context *ctx, const char *fmtString, ... ); 42 43 extern "C" void 44 _mesa_reference_shader_program_data(struct gl_context *ctx, 45 struct gl_shader_program_data **ptr, 46 struct gl_shader_program_data *data); 47 48 extern "C" void 49 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, 50 struct gl_shader *sh); 51 52 extern "C" void 53 _mesa_reference_program_(struct gl_context *ctx, struct gl_program **ptr, 54 struct gl_program *prog); 55 56 extern "C" struct gl_shader * 57 _mesa_new_shader(GLuint name, gl_shader_stage stage); 58 59 extern "C" void 60 _mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh); 61 62 extern "C" void 63 _mesa_delete_linked_shader(struct gl_context *ctx, 64 struct gl_linked_shader *sh); 65 66 extern "C" void 67 _mesa_clear_shader_program_data(struct gl_context *ctx, 68 struct gl_shader_program *); 69 70 extern "C" void 71 _mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id, 72 const char *msg); 73 74 extern "C" GLbitfield 75 _mesa_program_state_flags(const gl_state_index16 state[STATE_LENGTH]); 76 77 78 extern "C" char * 79 _mesa_program_state_string(const gl_state_index16 state[STATE_LENGTH]); 80 81 static inline gl_shader_stage _mesa_shader_enum_to_shader_stage(GLenum v)82 _mesa_shader_enum_to_shader_stage(GLenum v) 83 { 84 switch (v) { 85 case GL_VERTEX_SHADER: 86 return MESA_SHADER_VERTEX; 87 case GL_FRAGMENT_SHADER: 88 return MESA_SHADER_FRAGMENT; 89 case GL_GEOMETRY_SHADER: 90 return MESA_SHADER_GEOMETRY; 91 case GL_TESS_CONTROL_SHADER: 92 return MESA_SHADER_TESS_CTRL; 93 case GL_TESS_EVALUATION_SHADER: 94 return MESA_SHADER_TESS_EVAL; 95 case GL_COMPUTE_SHADER: 96 return MESA_SHADER_COMPUTE; 97 default: 98 assert(!"bad value in _mesa_shader_enum_to_shader_stage()"); 99 return MESA_SHADER_VERTEX; 100 } 101 } 102 103 /** 104 * Initialize the given gl_context structure to a reasonable set of 105 * defaults representing the minimum capabilities required by the 106 * OpenGL spec. 107 * 108 * This is used when compiling builtin functions and in testing, when 109 * we don't have a connection to an actual driver. 110 */ 111 void initialize_context_to_defaults(struct gl_context *ctx, gl_api api); 112 113 114 #endif /* STANDALONE_SCAFFOLDING_H */ 115