1 /* 2 * (C) Copyright IBM Corporation 2002, 2004 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * on the rights to use, copy, modify, merge, publish, distribute, sub 9 * license, and/or sell copies of the Software, and to permit persons to whom 10 * the Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 22 * USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 /** 26 * \file glxextensions.h 27 * 28 * \author Ian Romanick <idr@us.ibm.com> 29 */ 30 31 #ifndef GLX_GLXEXTENSIONS_H 32 #define GLX_GLXEXTENSIONS_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 enum 39 { 40 ARB_create_context_bit = 0, 41 ARB_create_context_profile_bit, 42 ARB_create_context_robustness_bit, 43 ARB_fbconfig_float_bit, 44 ARB_get_proc_address_bit, 45 ARB_multisample_bit, 46 ATI_pixel_format_float_bit, 47 EXT_visual_info_bit, 48 EXT_visual_rating_bit, 49 EXT_import_context_bit, 50 EXT_framebuffer_sRGB_bit, 51 EXT_fbconfig_packed_float_bit, 52 EXT_create_context_es_profile_bit, 53 EXT_create_context_es2_profile_bit, 54 MESA_copy_sub_buffer_bit, 55 MESA_depth_float_bit, 56 MESA_multithread_makecurrent_bit, 57 MESA_query_renderer_bit, 58 MESA_swap_control_bit, 59 MESA_swap_frame_usage_bit, 60 NV_float_buffer_bit, 61 OML_swap_method_bit, 62 OML_sync_control_bit, 63 SGI_make_current_read_bit, 64 SGI_swap_control_bit, 65 SGI_video_sync_bit, 66 SGIS_multisample_bit, 67 SGIX_fbconfig_bit, 68 SGIX_pbuffer_bit, 69 SGIX_swap_barrier_bit, 70 SGIX_swap_group_bit, 71 SGIX_visual_select_group_bit, 72 EXT_texture_from_pixmap_bit, 73 INTEL_swap_event_bit, 74 EXT_buffer_age_bit, 75 }; 76 77 /* From the GLX perspective, the ARB and EXT extensions are identical. Use a 78 * single bit for both. 79 */ 80 #define ARB_framebuffer_sRGB_bit EXT_framebuffer_sRGB_bit 81 82 enum 83 { 84 GL_ARB_depth_texture_bit = 0, 85 GL_ARB_draw_buffers_bit, 86 GL_ARB_fragment_program_bit, 87 GL_ARB_fragment_program_shadow_bit, 88 GL_ARB_framebuffer_object_bit, 89 GL_ARB_imaging_bit, 90 GL_ARB_multisample_bit, 91 GL_ARB_multitexture_bit, 92 GL_ARB_occlusion_query_bit, 93 GL_ARB_point_parameters_bit, 94 GL_ARB_point_sprite_bit, 95 GL_ARB_shadow_bit, 96 GL_ARB_shadow_ambient_bit, 97 GL_ARB_texture_border_clamp_bit, 98 GL_ARB_texture_cube_map_bit, 99 GL_ARB_texture_compression_bit, 100 GL_ARB_texture_env_add_bit, 101 GL_ARB_texture_env_combine_bit, 102 GL_ARB_texture_env_crossbar_bit, 103 GL_ARB_texture_env_dot3_bit, 104 GL_ARB_texture_mirrored_repeat_bit, 105 GL_ARB_texture_non_power_of_two_bit, 106 GL_ARB_texture_rectangle_bit, 107 GL_ARB_texture_rg_bit, 108 GL_ARB_transpose_matrix_bit, 109 GL_ARB_vertex_buffer_object_bit, 110 GL_ARB_vertex_program_bit, 111 GL_ARB_window_pos_bit, 112 GL_EXT_abgr_bit, 113 GL_EXT_bgra_bit, 114 GL_EXT_blend_color_bit, 115 GL_EXT_blend_equation_separate_bit, 116 GL_EXT_blend_func_separate_bit, 117 GL_EXT_blend_logic_op_bit, 118 GL_EXT_blend_minmax_bit, 119 GL_EXT_blend_subtract_bit, 120 GL_EXT_clip_volume_hint_bit, 121 GL_EXT_compiled_vertex_array_bit, 122 GL_EXT_convolution_bit, 123 GL_EXT_copy_texture_bit, 124 GL_EXT_cull_vertex_bit, 125 GL_EXT_depth_bounds_test_bit, 126 GL_EXT_draw_range_elements_bit, 127 GL_EXT_fog_coord_bit, 128 GL_EXT_framebuffer_blit_bit, 129 GL_EXT_framebuffer_multisample_bit, 130 GL_EXT_framebuffer_object_bit, 131 GL_EXT_framebuffer_sRGB_bit, 132 GL_EXT_multi_draw_arrays_bit, 133 GL_EXT_packed_depth_stencil_bit, 134 GL_EXT_packed_pixels_bit, 135 GL_EXT_paletted_texture_bit, 136 GL_EXT_pixel_buffer_object_bit, 137 GL_EXT_polygon_offset_bit, 138 GL_EXT_rescale_normal_bit, 139 GL_EXT_secondary_color_bit, 140 GL_EXT_separate_specular_color_bit, 141 GL_EXT_shadow_funcs_bit, 142 GL_EXT_shared_texture_palette_bit, 143 GL_EXT_stencil_two_side_bit, 144 GL_EXT_stencil_wrap_bit, 145 GL_EXT_subtexture_bit, 146 GL_EXT_texture_bit, 147 GL_EXT_texture3D_bit, 148 GL_EXT_texture_compression_dxt1_bit, 149 GL_EXT_texture_compression_s3tc_bit, 150 GL_EXT_texture_edge_clamp_bit, 151 GL_EXT_texture_env_combine_bit, 152 GL_EXT_texture_env_dot3_bit, 153 GL_EXT_texture_filter_anisotropic_bit, 154 GL_EXT_texture_integer_bit, 155 GL_EXT_texture_lod_bit, 156 GL_EXT_texture_lod_bias_bit, 157 GL_EXT_texture_mirror_clamp_bit, 158 GL_EXT_texture_object_bit, 159 GL_EXT_vertex_array_bit, 160 GL_3DFX_texture_compression_FXT1_bit, 161 GL_APPLE_packed_pixels_bit, 162 GL_APPLE_ycbcr_422_bit, 163 GL_ATI_text_fragment_shader_bit, 164 GL_ATI_texture_env_combine3_bit, 165 GL_ATI_texture_float_bit, 166 GL_ATI_texture_mirror_once_bit, 167 GL_HP_convolution_border_modes_bit, 168 GL_HP_occlusion_test_bit, 169 GL_IBM_cull_vertex_bit, 170 GL_IBM_pixel_filter_hint_bit, 171 GL_IBM_rasterpos_clip_bit, 172 GL_IBM_texture_clamp_nodraw_bit, 173 GL_INGR_interlace_read_bit, 174 GL_MESA_pack_invert_bit, 175 GL_MESA_ycbcr_texture_bit, 176 GL_NV_blend_square_bit, 177 GL_NV_copy_depth_to_color_bit, 178 GL_NV_depth_clamp_bit, 179 GL_NV_fog_distance_bit, 180 GL_NV_fragment_program_bit, 181 GL_NV_fragment_program_option_bit, 182 GL_NV_fragment_program2_bit, 183 GL_NV_light_max_exponent_bit, 184 GL_NV_multisample_filter_hint_bit, 185 GL_NV_packed_depth_stencil_bit, 186 GL_NV_point_sprite_bit, 187 GL_NV_texgen_reflection_bit, 188 GL_NV_texture_compression_vtc_bit, 189 GL_NV_texture_env_combine4_bit, 190 GL_NV_vertex_program_bit, 191 GL_NV_vertex_program1_1_bit, 192 GL_NV_vertex_program2_bit, 193 GL_NV_vertex_program2_option_bit, 194 GL_NV_vertex_program3_bit, 195 GL_OES_compressed_paletted_texture_bit, 196 GL_OES_read_format_bit, 197 GL_SGI_color_matrix_bit, 198 GL_SGI_color_table_bit, 199 GL_SGI_texture_color_table_bit, 200 GL_SGIS_generate_mipmap_bit, 201 GL_SGIS_multisample_bit, 202 GL_SGIS_texture_lod_bit, 203 GL_SGIX_blend_alpha_minmax_bit, 204 GL_SGIX_clipmap_bit, 205 GL_SGIX_depth_texture_bit, 206 GL_SGIX_fog_offset_bit, 207 GL_SGIX_shadow_bit, 208 GL_SGIX_texture_coordinate_clamp_bit, 209 GL_SGIX_texture_lod_bias_bit, 210 GL_SGIX_texture_range_bit, 211 GL_SGIX_texture_scale_bias_bit, 212 GL_SGIX_vertex_preclip_bit, 213 GL_SGIX_vertex_preclip_hint_bit, 214 GL_SGIX_ycrcb_bit, 215 GL_SUN_convolution_border_modes_bit, 216 GL_SUN_slice_accum_bit, 217 218 /* This *MUST* go here. If it gets put after the duplicate values it will 219 * get the value after the last duplicate. 220 */ 221 __NUM_GL_EXTS, 222 223 224 /* Alias extension bits. These extensions exist in either vendor-specific 225 * or EXT form and were later promoted to either EXT or ARB form. In all 226 * cases, the meaning is *exactly* the same. That's why 227 * EXT_texture_env_combine is *NOT* an alias of ARB_texture_env_combine and 228 * EXT_texture_env_dot3 is *NOT* an alias of ARB_texture_env_dot3. Be 229 * careful! When in doubt, src/mesa/main/extensions.c in the Mesa tree 230 * is a great reference. 231 */ 232 233 GL_ATI_blend_equation_separate_bit = GL_EXT_blend_equation_separate_bit, 234 GL_ATI_draw_buffers_bit = GL_ARB_draw_buffers_bit, 235 GL_ATIX_texture_env_combine3_bit = GL_ATI_texture_env_combine3_bit, 236 GL_EXT_point_parameters_bit = GL_ARB_point_parameters_bit, 237 GL_EXT_texture_env_add_bit = GL_ARB_texture_env_add_bit, 238 GL_EXT_texture_rectangle_bit = GL_ARB_texture_rectangle_bit, 239 GL_IBM_texture_mirrored_repeat_bit = GL_ARB_texture_mirrored_repeat_bit, 240 GL_INGR_blend_func_separate_bit = GL_EXT_blend_func_separate_bit, 241 GL_MESA_window_pos_bit = GL_ARB_window_pos_bit, 242 GL_NV_texture_rectangle_bit = GL_ARB_texture_rectangle_bit, 243 GL_SGIS_texture_border_clamp_bit = GL_ARB_texture_border_clamp_bit, 244 GL_SGIS_texture_edge_clamp_bit = GL_EXT_texture_edge_clamp_bit, 245 GL_SGIX_shadow_ambient_bit = GL_ARB_shadow_ambient_bit, 246 GL_SUN_multi_draw_arrays_bit = GL_EXT_multi_draw_arrays_bit 247 }; 248 249 #define __GL_EXT_BYTES ((__NUM_GL_EXTS + 7) / 8) 250 251 struct glx_screen; 252 struct glx_context; 253 254 extern GLboolean __glXExtensionBitIsEnabled(struct glx_screen *psc, 255 unsigned bit); 256 extern const char *__glXGetClientExtensions(void); 257 extern void __glXCalculateUsableExtensions(struct glx_screen *psc, 258 GLboolean 259 display_is_direct_capable, 260 int server_minor_version); 261 262 extern void __glXCalculateUsableGLExtensions(struct glx_context *gc, 263 const char *server_string, 264 int major_version, 265 int minor_version); 266 extern void __glXGetGLVersion(int *major_version, int *minor_version); 267 extern char *__glXGetClientGLExtensionString(void); 268 269 extern GLboolean __glExtensionBitIsEnabled(struct glx_context *gc, 270 unsigned bit); 271 272 extern void 273 __glXEnableDirectExtension(struct glx_screen *psc, const char *name); 274 275 /* Source-level backwards compatibility with old drivers. They won't 276 * find the respective functions, though. 277 */ 278 typedef void (*PFNGLXENABLEEXTENSIONPROC) (const char *name, 279 GLboolean force_client); 280 typedef void (*PFNGLXDISABLEEXTENSIONPROC) (const char *name); 281 282 /* GLX_ALIAS should be used for functions with a non-void return type. 283 GLX_ALIAS_VOID is for functions with a void return type. */ 284 # ifdef HAVE_FUNC_ATTRIBUTE_ALIAS 285 /* GLX_ALIAS and GLX_ALIAS_VOID both expand to the macro GLX_ALIAS2. Using the 286 * extra expansion means that the name mangling macros in glx_mangle.h will 287 * apply before stringification, so the alias attribute will have a string like 288 * "mglXFoo" instead of "glXFoo". */ 289 # define GLX_ALIAS2(return_type, real_func, proto_args, args, aliased_func) \ 290 return_type real_func proto_args \ 291 __attribute__ ((alias( # aliased_func ) )); 292 # define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \ 293 GLX_ALIAS2(return_type, real_func, proto_args, args, aliased_func) 294 # define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) \ 295 GLX_ALIAS2(void, real_func, proto_args, args, aliased_func) 296 # else 297 # define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \ 298 return_type real_func proto_args \ 299 { return aliased_func args ; } 300 # define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) \ 301 void real_func proto_args \ 302 { aliased_func args ; } 303 # endif /* HAVE_FUNC_ATTRIBUTE_ALIAS */ 304 305 #ifdef __cplusplus 306 } 307 #endif 308 309 #endif /* GLX_GLXEXTENSIONS_H */ 310