1 /* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 2004-2007 Brian Paul All Rights Reserved. 5 * Copyright (C) 2010 VMware, Inc. 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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 26 27 #ifndef SHADERAPI_H 28 #define SHADERAPI_H 29 30 31 #include "util/glheader.h" 32 #include "compiler/shader_enums.h" 33 #include "util/mesa-blake3.h" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 struct hash_entry; 40 struct _glapi_table; 41 struct gl_context; 42 struct gl_linked_shader; 43 struct gl_pipeline_object; 44 struct gl_program; 45 struct gl_program_resource; 46 struct gl_shader; 47 struct gl_shader_program; 48 struct gl_resource_name; 49 struct gl_shared_state; 50 struct gl_uniform_block; 51 52 extern GLbitfield 53 _mesa_get_shader_flags(void); 54 55 extern const char * 56 _mesa_get_shader_capture_path(void); 57 58 extern void 59 _mesa_copy_string(GLchar *dst, GLsizei maxLength, 60 GLsizei *length, const GLchar *src); 61 62 extern void 63 _mesa_use_shader_program(struct gl_context *ctx, 64 struct gl_shader_program *shProg); 65 66 extern void 67 _mesa_active_program(struct gl_context *ctx, struct gl_shader_program *shProg, 68 const char *caller); 69 70 extern void 71 _mesa_compile_shader(struct gl_context *ctx, struct gl_shader *sh); 72 73 extern void 74 _mesa_link_program(struct gl_context *ctx, struct gl_shader_program *sh_prog); 75 76 extern unsigned 77 _mesa_count_active_attribs(struct gl_shader_program *shProg); 78 79 extern size_t 80 _mesa_longest_attribute_name_length(struct gl_shader_program *shProg); 81 82 extern void 83 _mesa_shader_write_subroutine_indices(struct gl_context *ctx, 84 gl_shader_stage stage); 85 86 void 87 _mesa_use_program(struct gl_context *ctx, gl_shader_stage stage, 88 struct gl_shader_program *shProg, struct gl_program *prog, 89 struct gl_pipeline_object *shTarget); 90 91 extern bool 92 _mesa_validate_shader_target(const struct gl_context *ctx, GLenum type); 93 94 95 /* GL_ARB_program_resource_query */ 96 extern const char* 97 _mesa_program_resource_name(struct gl_program_resource *res); 98 99 int 100 _mesa_program_resource_name_length(struct gl_program_resource *res); 101 102 bool 103 _mesa_program_get_resource_name(struct gl_program_resource *res, 104 struct gl_resource_name *out); 105 106 extern unsigned 107 _mesa_program_resource_array_size(struct gl_program_resource *res); 108 109 extern GLuint 110 _mesa_program_resource_index(struct gl_shader_program *shProg, 111 struct gl_program_resource *res); 112 113 extern struct gl_program_resource * 114 _mesa_program_resource_find_name(struct gl_shader_program *shProg, 115 GLenum programInterface, const char *name, 116 unsigned *array_index); 117 118 extern struct gl_program_resource * 119 _mesa_program_resource_find_index(struct gl_shader_program *shProg, 120 GLenum programInterface, GLuint index); 121 122 extern struct gl_program_resource * 123 _mesa_program_resource_find_active_variable(struct gl_shader_program *shProg, 124 GLenum programInterface, 125 const struct gl_uniform_block *block, 126 unsigned index); 127 128 extern bool 129 _mesa_get_program_resource_name(struct gl_shader_program *shProg, 130 GLenum programInterface, GLuint index, 131 GLsizei bufSize, GLsizei *length, 132 GLchar *name, bool glthread, 133 const char *caller); 134 135 extern unsigned 136 _mesa_program_resource_name_length_array(struct gl_program_resource *res); 137 138 extern GLint 139 _mesa_program_resource_location(struct gl_shader_program *shProg, 140 GLenum programInterface, const char *name); 141 142 extern GLint 143 _mesa_program_resource_location_index(struct gl_shader_program *shProg, 144 GLenum programInterface, const char *name); 145 146 extern unsigned 147 _mesa_program_resource_prop(struct gl_shader_program *shProg, 148 struct gl_program_resource *res, GLuint index, 149 const GLenum prop, GLint *val, bool glthread, 150 const char *caller); 151 152 extern void 153 _mesa_get_program_resourceiv(struct gl_shader_program *shProg, 154 GLenum programInterface, GLuint index, 155 GLsizei propCount, const GLenum *props, 156 GLsizei bufSize, GLsizei *length, 157 GLint *params); 158 159 extern void 160 _mesa_get_program_interfaceiv(struct gl_shader_program *shProg, 161 GLenum programInterface, GLenum pname, 162 GLint *params); 163 164 extern void 165 _mesa_program_resource_hash_destroy(struct gl_shader_program *shProg); 166 167 extern void 168 _mesa_create_program_resource_hash(struct gl_shader_program *shProg); 169 170 /* GL_ARB_shader_subroutine */ 171 void 172 _mesa_program_init_subroutine_defaults(struct gl_context *ctx, 173 struct gl_program *prog); 174 175 GLcharARB * 176 _mesa_read_shader_source(const gl_shader_stage stage, const char *source, 177 const blake3_hash blake3); 178 179 void 180 _mesa_dump_shader_source(const gl_shader_stage stage, const char *source, 181 const blake3_hash blake3); 182 183 void 184 _mesa_init_shader_includes(struct gl_shared_state *shared); 185 186 size_t 187 _mesa_get_shader_include_cursor(struct gl_shared_state *shared); 188 189 void 190 _mesa_set_shader_include_cursor(struct gl_shared_state *shared, size_t cusor); 191 192 void 193 _mesa_destroy_shader_includes(struct gl_shared_state *shared); 194 195 const char * 196 _mesa_lookup_shader_include(struct gl_context *ctx, char *path, 197 bool error_check); 198 199 GLuint 200 _mesa_CreateShaderProgramv_impl(struct gl_context *ctx, 201 GLenum type, GLsizei count, 202 const GLchar* const *strings); 203 #ifdef __cplusplus 204 } 205 #endif 206 207 #endif /* SHADERAPI_H */ 208