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 enum 35 { 36 ARB_create_context_bit = 0, 37 ARB_create_context_profile_bit, 38 ARB_create_context_robustness_bit, 39 ARB_get_proc_address_bit, 40 ARB_multisample_bit, 41 ATI_pixel_format_float_bit, 42 EXT_visual_info_bit, 43 EXT_visual_rating_bit, 44 EXT_import_context_bit, 45 EXT_framebuffer_sRGB_bit, 46 EXT_create_context_es2_profile_bit, 47 MESA_copy_sub_buffer_bit, 48 MESA_depth_float_bit, 49 MESA_multithread_makecurrent_bit, 50 MESA_swap_control_bit, 51 MESA_swap_frame_usage_bit, 52 NV_float_buffer_bit, 53 OML_swap_method_bit, 54 OML_sync_control_bit, 55 SGI_make_current_read_bit, 56 SGI_swap_control_bit, 57 SGI_video_sync_bit, 58 SGIS_multisample_bit, 59 SGIX_fbconfig_bit, 60 SGIX_pbuffer_bit, 61 SGIX_swap_barrier_bit, 62 SGIX_swap_group_bit, 63 SGIX_visual_select_group_bit, 64 EXT_texture_from_pixmap_bit, 65 INTEL_swap_event_bit, 66 }; 67 68 enum 69 { 70 GL_ARB_depth_texture_bit = 0, 71 GL_ARB_draw_buffers_bit, 72 GL_ARB_fragment_program_bit, 73 GL_ARB_fragment_program_shadow_bit, 74 GL_ARB_framebuffer_object_bit, 75 GL_ARB_imaging_bit, 76 GL_ARB_multisample_bit, 77 GL_ARB_multitexture_bit, 78 GL_ARB_occlusion_query_bit, 79 GL_ARB_point_parameters_bit, 80 GL_ARB_point_sprite_bit, 81 GL_ARB_shadow_bit, 82 GL_ARB_shadow_ambient_bit, 83 GL_ARB_texture_border_clamp_bit, 84 GL_ARB_texture_cube_map_bit, 85 GL_ARB_texture_compression_bit, 86 GL_ARB_texture_env_add_bit, 87 GL_ARB_texture_env_combine_bit, 88 GL_ARB_texture_env_crossbar_bit, 89 GL_ARB_texture_env_dot3_bit, 90 GL_ARB_texture_mirrored_repeat_bit, 91 GL_ARB_texture_non_power_of_two_bit, 92 GL_ARB_texture_rectangle_bit, 93 GL_ARB_texture_rg_bit, 94 GL_ARB_transpose_matrix_bit, 95 GL_ARB_vertex_buffer_object_bit, 96 GL_ARB_vertex_program_bit, 97 GL_ARB_window_pos_bit, 98 GL_EXT_abgr_bit, 99 GL_EXT_bgra_bit, 100 GL_EXT_blend_color_bit, 101 GL_EXT_blend_equation_separate_bit, 102 GL_EXT_blend_func_separate_bit, 103 GL_EXT_blend_logic_op_bit, 104 GL_EXT_blend_minmax_bit, 105 GL_EXT_blend_subtract_bit, 106 GL_EXT_clip_volume_hint_bit, 107 GL_EXT_compiled_vertex_array_bit, 108 GL_EXT_convolution_bit, 109 GL_EXT_copy_texture_bit, 110 GL_EXT_cull_vertex_bit, 111 GL_EXT_depth_bounds_test_bit, 112 GL_EXT_draw_range_elements_bit, 113 GL_EXT_fog_coord_bit, 114 GL_EXT_framebuffer_blit_bit, 115 GL_EXT_framebuffer_multisample_bit, 116 GL_EXT_framebuffer_object_bit, 117 GL_EXT_framebuffer_sRGB_bit, 118 GL_EXT_multi_draw_arrays_bit, 119 GL_EXT_packed_depth_stencil_bit, 120 GL_EXT_packed_pixels_bit, 121 GL_EXT_paletted_texture_bit, 122 GL_EXT_pixel_buffer_object_bit, 123 GL_EXT_polygon_offset_bit, 124 GL_EXT_rescale_normal_bit, 125 GL_EXT_secondary_color_bit, 126 GL_EXT_separate_specular_color_bit, 127 GL_EXT_shadow_funcs_bit, 128 GL_EXT_shared_texture_palette_bit, 129 GL_EXT_stencil_two_side_bit, 130 GL_EXT_stencil_wrap_bit, 131 GL_EXT_subtexture_bit, 132 GL_EXT_texture_bit, 133 GL_EXT_texture3D_bit, 134 GL_EXT_texture_compression_dxt1_bit, 135 GL_EXT_texture_compression_s3tc_bit, 136 GL_EXT_texture_edge_clamp_bit, 137 GL_EXT_texture_env_combine_bit, 138 GL_EXT_texture_env_dot3_bit, 139 GL_EXT_texture_filter_anisotropic_bit, 140 GL_EXT_texture_lod_bit, 141 GL_EXT_texture_lod_bias_bit, 142 GL_EXT_texture_mirror_clamp_bit, 143 GL_EXT_texture_object_bit, 144 GL_EXT_vertex_array_bit, 145 GL_3DFX_texture_compression_FXT1_bit, 146 GL_APPLE_packed_pixels_bit, 147 GL_APPLE_ycbcr_422_bit, 148 GL_ATI_text_fragment_shader_bit, 149 GL_ATI_texture_env_combine3_bit, 150 GL_ATI_texture_float_bit, 151 GL_ATI_texture_mirror_once_bit, 152 GL_HP_convolution_border_modes_bit, 153 GL_HP_occlusion_test_bit, 154 GL_IBM_cull_vertex_bit, 155 GL_IBM_pixel_filter_hint_bit, 156 GL_IBM_rasterpos_clip_bit, 157 GL_IBM_texture_clamp_nodraw_bit, 158 GL_INGR_interlace_read_bit, 159 GL_MESA_pack_invert_bit, 160 GL_MESA_ycbcr_texture_bit, 161 GL_NV_blend_square_bit, 162 GL_NV_copy_depth_to_color_bit, 163 GL_NV_depth_clamp_bit, 164 GL_NV_fog_distance_bit, 165 GL_NV_fragment_program_bit, 166 GL_NV_fragment_program_option_bit, 167 GL_NV_fragment_program2_bit, 168 GL_NV_light_max_exponent_bit, 169 GL_NV_multisample_filter_hint_bit, 170 GL_NV_packed_depth_stencil_bit, 171 GL_NV_point_sprite_bit, 172 GL_NV_texgen_reflection_bit, 173 GL_NV_texture_compression_vtc_bit, 174 GL_NV_texture_env_combine4_bit, 175 GL_NV_vertex_program_bit, 176 GL_NV_vertex_program1_1_bit, 177 GL_NV_vertex_program2_bit, 178 GL_NV_vertex_program2_option_bit, 179 GL_NV_vertex_program3_bit, 180 GL_OES_compressed_paletted_texture_bit, 181 GL_OES_read_format_bit, 182 GL_SGI_color_matrix_bit, 183 GL_SGI_color_table_bit, 184 GL_SGI_texture_color_table_bit, 185 GL_SGIS_generate_mipmap_bit, 186 GL_SGIS_multisample_bit, 187 GL_SGIS_texture_lod_bit, 188 GL_SGIX_blend_alpha_minmax_bit, 189 GL_SGIX_clipmap_bit, 190 GL_SGIX_depth_texture_bit, 191 GL_SGIX_fog_offset_bit, 192 GL_SGIX_shadow_bit, 193 GL_SGIX_texture_coordinate_clamp_bit, 194 GL_SGIX_texture_lod_bias_bit, 195 GL_SGIX_texture_range_bit, 196 GL_SGIX_texture_scale_bias_bit, 197 GL_SGIX_vertex_preclip_bit, 198 GL_SGIX_vertex_preclip_hint_bit, 199 GL_SGIX_ycrcb_bit, 200 GL_SUN_convolution_border_modes_bit, 201 GL_SUN_slice_accum_bit, 202 203 /* This *MUST* go here. If it gets put after the duplicate values it will 204 * get the value after the last duplicate. 205 */ 206 __NUM_GL_EXTS, 207 208 209 /* Alias extension bits. These extensions exist in either vendor-specific 210 * or EXT form and were later promoted to either EXT or ARB form. In all 211 * cases, the meaning is *exactly* the same. That's why 212 * EXT_texture_env_combine is *NOT* an alias of ARB_texture_env_combine and 213 * EXT_texture_env_dot3 is *NOT* an alias of ARB_texture_env_dot3. Be 214 * careful! When in doubt, src/mesa/main/extensions.c in the Mesa tree 215 * is a great reference. 216 */ 217 218 GL_ATI_blend_equation_separate_bit = GL_EXT_blend_equation_separate_bit, 219 GL_ATI_draw_buffers_bit = GL_ARB_draw_buffers_bit, 220 GL_ATIX_texture_env_combine3_bit = GL_ATI_texture_env_combine3_bit, 221 GL_EXT_point_parameters_bit = GL_ARB_point_parameters_bit, 222 GL_EXT_texture_env_add_bit = GL_ARB_texture_env_add_bit, 223 GL_EXT_texture_rectangle_bit = GL_ARB_texture_rectangle_bit, 224 GL_IBM_texture_mirrored_repeat_bit = GL_ARB_texture_mirrored_repeat_bit, 225 GL_INGR_blend_func_separate_bit = GL_EXT_blend_func_separate_bit, 226 GL_MESA_window_pos_bit = GL_ARB_window_pos_bit, 227 GL_NV_texture_rectangle_bit = GL_ARB_texture_rectangle_bit, 228 GL_SGIS_texture_border_clamp_bit = GL_ARB_texture_border_clamp_bit, 229 GL_SGIS_texture_edge_clamp_bit = GL_EXT_texture_edge_clamp_bit, 230 GL_SGIX_shadow_ambient_bit = GL_ARB_shadow_ambient_bit, 231 GL_SUN_multi_draw_arrays_bit = GL_EXT_multi_draw_arrays_bit 232 }; 233 234 #define __GL_EXT_BYTES ((__NUM_GL_EXTS + 7) / 8) 235 236 struct glx_screen; 237 struct glx_context; 238 239 extern GLboolean __glXExtensionBitIsEnabled(struct glx_screen *psc, 240 unsigned bit); 241 extern const char *__glXGetClientExtensions(void); 242 extern void __glXCalculateUsableExtensions(struct glx_screen *psc, 243 GLboolean 244 display_is_direct_capable, 245 int server_minor_version); 246 247 extern void __glXCalculateUsableGLExtensions(struct glx_context *gc, 248 const char *server_string, 249 int major_version, 250 int minor_version); 251 extern void __glXGetGLVersion(int *major_version, int *minor_version); 252 extern char *__glXGetClientGLExtensionString(void); 253 254 extern GLboolean __glExtensionBitIsEnabled(struct glx_context *gc, 255 unsigned bit); 256 257 extern void 258 __glXEnableDirectExtension(struct glx_screen *psc, const char *name); 259 260 /* Source-level backwards compatibility with old drivers. They won't 261 * find the respective functions, though. 262 */ 263 typedef void (*PFNGLXENABLEEXTENSIONPROC) (const char *name, 264 GLboolean force_client); 265 typedef void (*PFNGLXDISABLEEXTENSIONPROC) (const char *name); 266 267 /* GLX_ALIAS should be used for functions with a non-void return type. 268 GLX_ALIAS_VOID is for functions with a void return type. */ 269 #ifdef GLX_NO_STATIC_EXTENSION_FUNCTIONS 270 # define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) 271 # define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) 272 #else 273 # if defined(__GNUC__) && !defined(GLX_ALIAS_UNSUPPORTED) 274 # define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \ 275 return_type real_func proto_args \ 276 __attribute__ ((alias( # aliased_func ) )); 277 # define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) \ 278 GLX_ALIAS(void, real_func, proto_args, args, aliased_func) 279 # else 280 # define GLX_ALIAS(return_type, real_func, proto_args, args, aliased_func) \ 281 return_type real_func proto_args \ 282 { return aliased_func args ; } 283 # define GLX_ALIAS_VOID(real_func, proto_args, args, aliased_func) \ 284 void real_func proto_args \ 285 { aliased_func args ; } 286 # endif /* __GNUC__ */ 287 #endif /* GLX_NO_STATIC_EXTENSION_FUNCTIONS */ 288 289 #endif /* GLX_GLXEXTENSIONS_H */ 290