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 #pragma once 31 #ifndef STANDALONE_SCAFFOLDING_H 32 #define STANDALONE_SCAFFOLDING_H 33 34 #include <assert.h> 35 #include "main/mtypes.h" 36 #include "program/prog_statevars.h" 37 38 extern "C" void 39 _mesa_warning(struct gl_context *ctx, const char *fmtString, ... ); 40 41 extern "C" void 42 _mesa_reference_shader_program_data(struct gl_context *ctx, 43 struct gl_shader_program_data **ptr, 44 struct gl_shader_program_data *data); 45 46 extern "C" void 47 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, 48 struct gl_shader *sh); 49 50 extern "C" void 51 _mesa_reference_program_(struct gl_context *ctx, struct gl_program **ptr, 52 struct gl_program *prog); 53 54 extern "C" struct gl_shader * 55 _mesa_new_shader(GLuint name, gl_shader_stage stage); 56 57 extern "C" void 58 _mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh); 59 60 extern "C" void 61 _mesa_delete_linked_shader(struct gl_context *ctx, 62 struct gl_linked_shader *sh); 63 64 extern "C" void 65 _mesa_clear_shader_program_data(struct gl_context *ctx, 66 struct gl_shader_program *); 67 68 extern "C" void 69 _mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id, 70 const char *msg); 71 72 extern "C" GLbitfield 73 _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]); 74 75 76 extern "C" char * 77 _mesa_program_state_string(const gl_state_index state[STATE_LENGTH]); 78 79 static inline gl_shader_stage 80 _mesa_shader_enum_to_shader_stage(GLenum v) 81 { 82 switch (v) { 83 case GL_VERTEX_SHADER: 84 return MESA_SHADER_VERTEX; 85 case GL_FRAGMENT_SHADER: 86 return MESA_SHADER_FRAGMENT; 87 case GL_GEOMETRY_SHADER: 88 return MESA_SHADER_GEOMETRY; 89 case GL_TESS_CONTROL_SHADER: 90 return MESA_SHADER_TESS_CTRL; 91 case GL_TESS_EVALUATION_SHADER: 92 return MESA_SHADER_TESS_EVAL; 93 case GL_COMPUTE_SHADER: 94 return MESA_SHADER_COMPUTE; 95 default: 96 assert(!"bad value in _mesa_shader_enum_to_shader_stage()"); 97 return MESA_SHADER_VERTEX; 98 } 99 } 100 101 /** 102 * Initialize the given gl_context structure to a reasonable set of 103 * defaults representing the minimum capabilities required by the 104 * OpenGL spec. 105 * 106 * This is used when compiling builtin functions and in testing, when 107 * we don't have a connection to an actual driver. 108 */ 109 void initialize_context_to_defaults(struct gl_context *ctx, gl_api api); 110 111 112 #endif /* STANDALONE_SCAFFOLDING_H */ 113