1/* 2 * Mesa 3-D graphics library 3 * Version: 6.5.3 4 * 5 * Copyright (C) 2004-2007 Brian Paul All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included 15 * in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26#ifndef SHADEROBJ_H 27#define SHADEROBJ_H 28 29 30#include "main/compiler.h" 31#include "main/glheader.h" 32#include "main/mtypes.h" 33#include "program/ir_to_mesa.h" 34 35 36#ifdef __cplusplus 37extern "C" { 38#endif 39 40 41/** 42 * Internal functions 43 */ 44 45extern void 46_mesa_init_shader_state(struct gl_context * ctx); 47 48extern void 49_mesa_free_shader_state(struct gl_context *ctx); 50 51 52extern void 53_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, 54 struct gl_shader *sh); 55 56extern struct gl_shader * 57_mesa_lookup_shader(struct gl_context *ctx, GLuint name); 58 59extern struct gl_shader * 60_mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller); 61 62 63 64extern void 65_mesa_reference_shader_program(struct gl_context *ctx, 66 struct gl_shader_program **ptr, 67 struct gl_shader_program *shProg); 68extern void 69_mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader); 70 71extern struct gl_shader * 72_mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type); 73 74extern void 75_mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog); 76 77extern struct gl_shader_program * 78_mesa_lookup_shader_program(struct gl_context *ctx, GLuint name); 79 80extern struct gl_shader_program * 81_mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name, 82 const char *caller); 83 84extern void 85_mesa_clear_shader_program_data(struct gl_context *ctx, 86 struct gl_shader_program *shProg); 87 88extern void 89_mesa_free_shader_program_data(struct gl_context *ctx, 90 struct gl_shader_program *shProg); 91 92 93 94extern void 95_mesa_init_shader_object_functions(struct dd_function_table *driver); 96 97extern void 98_mesa_init_shader_state(struct gl_context *ctx); 99 100extern void 101_mesa_free_shader_state(struct gl_context *ctx); 102 103 104static inline gl_shader_type 105_mesa_shader_type_to_index(GLenum v) 106{ 107 switch (v) { 108 case GL_VERTEX_SHADER: 109 return MESA_SHADER_VERTEX; 110 case GL_FRAGMENT_SHADER: 111 return MESA_SHADER_FRAGMENT; 112 case GL_GEOMETRY_SHADER: 113 return MESA_SHADER_GEOMETRY; 114 default: 115 ASSERT(0 && "bad value in _mesa_shader_type_to_index()"); 116 return MESA_SHADER_TYPES; 117 } 118} 119 120 121static inline GLenum 122_mesa_shader_index_to_type(GLuint i) 123{ 124 static const GLenum enums[MESA_SHADER_TYPES] = { 125 GL_VERTEX_SHADER, 126 GL_FRAGMENT_SHADER, 127 GL_GEOMETRY_SHADER , 128 }; 129 if (i >= MESA_SHADER_TYPES) 130 return 0; 131 else 132 return enums[i]; 133} 134 135 136#ifdef __cplusplus 137} 138#endif 139 140#endif /* SHADEROBJ_H */ 141