2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 #include "extensions.h"
34 #define F(x) offsetof(struct gl_extensions, x)
40 * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
46 } default_extensions
[] = {
47 { OFF
, "GL_ARB_blend_func_extended", F(ARB_blend_func_extended
) },
48 { ON
, "GL_ARB_copy_buffer", F(ARB_copy_buffer
) },
49 { OFF
, "GL_ARB_depth_buffer_float", F(ARB_depth_buffer_float
) },
50 { OFF
, "GL_ARB_depth_clamp", F(ARB_depth_clamp
) },
51 { OFF
, "GL_ARB_depth_texture", F(ARB_depth_texture
) },
52 { ON
, "GL_ARB_draw_buffers", F(ARB_draw_buffers
) },
53 { OFF
, "GL_ARB_draw_elements_base_vertex", F(ARB_draw_elements_base_vertex
) },
54 { OFF
, "GL_ARB_draw_instanced", F(ARB_draw_instanced
) },
55 { OFF
, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions
) },
56 { OFF
, "GL_ARB_fragment_program", F(ARB_fragment_program
) },
57 { OFF
, "GL_ARB_fragment_program_shadow", F(ARB_fragment_program_shadow
) },
58 { OFF
, "GL_ARB_fragment_shader", F(ARB_fragment_shader
) },
59 { OFF
, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object
) },
60 { OFF
, "GL_ARB_explicit_attrib_location", F(ARB_explicit_attrib_location
) },
61 /* TODO: reenable this when the new GLSL compiler actually supports them */
62 /* { OFF, "GL_ARB_geometry_shader4", F(ARB_geometry_shader4) }, */
63 { OFF
, "GL_ARB_half_float_pixel", F(ARB_half_float_pixel
) },
64 { OFF
, "GL_ARB_half_float_vertex", F(ARB_half_float_vertex
) },
65 { OFF
, "GL_ARB_instanced_arrays", F(ARB_instanced_arrays
) },
66 { OFF
, "GL_ARB_map_buffer_range", F(ARB_map_buffer_range
) },
67 { ON
, "GL_ARB_multisample", F(ARB_multisample
) },
68 { OFF
, "GL_ARB_multitexture", F(ARB_multitexture
) },
69 { OFF
, "GL_ARB_occlusion_query", F(ARB_occlusion_query
) },
70 { OFF
, "GL_ARB_occlusion_query2", F(ARB_occlusion_query2
) },
71 { OFF
, "GL_ARB_pixel_buffer_object", F(EXT_pixel_buffer_object
) },
72 { OFF
, "GL_ARB_point_parameters", F(EXT_point_parameters
) },
73 { OFF
, "GL_ARB_point_sprite", F(ARB_point_sprite
) },
74 { OFF
, "GL_ARB_provoking_vertex", F(EXT_provoking_vertex
) },
75 { OFF
, "GL_ARB_sampler_objects", F(ARB_sampler_objects
) },
76 { OFF
, "GL_ARB_seamless_cube_map", F(ARB_seamless_cube_map
) },
77 { OFF
, "GL_ARB_shader_objects", F(ARB_shader_objects
) },
78 { OFF
, "GL_ARB_shading_language_100", F(ARB_shading_language_100
) },
79 { OFF
, "GL_ARB_shadow", F(ARB_shadow
) },
80 { OFF
, "GL_ARB_shadow_ambient", F(ARB_shadow_ambient
) },
81 { OFF
, "GL_ARB_sync", F(ARB_sync
) },
82 { OFF
, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp
) },
83 { OFF
, "GL_ARB_texture_buffer_object", F(ARB_texture_buffer_object
) },
84 { ON
, "GL_ARB_texture_compression", F(ARB_texture_compression
) },
85 { OFF
, "GL_ARB_texture_compression_rgtc", F(ARB_texture_compression_rgtc
) },
86 { OFF
, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map
) },
87 { OFF
, "GL_ARB_texture_env_add", F(EXT_texture_env_add
) },
88 { OFF
, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine
) },
89 { OFF
, "GL_ARB_texture_env_crossbar", F(ARB_texture_env_crossbar
) },
90 { OFF
, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3
) },
91 { OFF
, "GL_MESAX_texture_float", F(ARB_texture_float
) },
92 { OFF
, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat
)},
93 { OFF
, "GL_ARB_texture_multisample", F(ARB_texture_multisample
) },
94 { OFF
, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two
)},
95 { OFF
, "GL_ARB_texture_rectangle", F(NV_texture_rectangle
) },
96 { OFF
, "GL_ARB_texture_rg", F(ARB_texture_rg
) },
97 { OFF
, "GL_ARB_texture_rgb10_a2ui", F(ARB_texture_rgb10_a2ui
) },
98 { OFF
, "GL_ARB_texture_swizzle", F(EXT_texture_swizzle
) },
99 { ON
, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix
) },
100 { OFF
, "GL_ARB_transform_feedback2", F(ARB_transform_feedback2
) },
101 { OFF
, "GL_ARB_uniform_buffer_object", F(ARB_uniform_buffer_object
) },
102 { OFF
, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra
) },
103 { OFF
, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object
) },
104 { ON
, "GL_ARB_vertex_buffer_object", F(ARB_vertex_buffer_object
) },
105 { OFF
, "GL_ARB_vertex_program", F(ARB_vertex_program
) },
106 { OFF
, "GL_ARB_vertex_shader", F(ARB_vertex_shader
) },
107 { OFF
, "GL_ARB_vertex_type_2_10_10_10_rev", F(ARB_vertex_type_2_10_10_10_rev
) },
108 { ON
, "GL_ARB_window_pos", F(ARB_window_pos
) },
109 { ON
, "GL_EXT_abgr", F(EXT_abgr
) },
110 { ON
, "GL_EXT_bgra", F(EXT_bgra
) },
111 { OFF
, "GL_EXT_blend_color", F(EXT_blend_color
) },
112 { OFF
, "GL_EXT_blend_equation_separate", F(EXT_blend_equation_separate
) },
113 { OFF
, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate
) },
114 { OFF
, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op
) },
115 { OFF
, "GL_EXT_blend_minmax", F(EXT_blend_minmax
) },
116 { OFF
, "GL_EXT_blend_subtract", F(EXT_blend_subtract
) },
117 { OFF
, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint
) },
118 { ON
, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array
) },
119 { ON
, "GL_EXT_copy_texture", F(EXT_copy_texture
) },
120 { OFF
, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test
) },
121 { OFF
, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2
) },
122 { OFF
, "GL_EXT_draw_instanced", F(ARB_draw_instanced
) },
123 { ON
, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements
) },
124 { OFF
, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit
) },
125 { OFF
, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample
) },
126 { OFF
, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object
) },
127 { OFF
, "GL_EXT_framebuffer_sRGB", F(EXT_framebuffer_sRGB
) },
128 { OFF
, "GL_EXT_fog_coord", F(EXT_fog_coord
) },
129 { OFF
, "GL_EXT_gpu_program_parameters", F(EXT_gpu_program_parameters
) },
130 { ON
, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays
) },
131 { OFF
, "GL_EXT_packed_depth_stencil", F(EXT_packed_depth_stencil
) },
132 { OFF
, "GL_EXT_packed_float", F(EXT_packed_float
) },
133 { ON
, "GL_EXT_packed_pixels", F(EXT_packed_pixels
) },
134 { OFF
, "GL_EXT_paletted_texture", F(EXT_paletted_texture
) },
135 { OFF
, "GL_EXT_pixel_buffer_object", F(EXT_pixel_buffer_object
) },
136 { OFF
, "GL_EXT_point_parameters", F(EXT_point_parameters
) },
137 { ON
, "GL_EXT_polygon_offset", F(EXT_polygon_offset
) },
138 { OFF
, "GL_EXT_provoking_vertex", F(EXT_provoking_vertex
) },
139 { ON
, "GL_EXT_rescale_normal", F(EXT_rescale_normal
) },
140 { OFF
, "GL_EXT_secondary_color", F(EXT_secondary_color
) },
141 { ON
, "GL_EXT_separate_specular_color", F(EXT_separate_specular_color
) },
142 { OFF
, "GL_EXT_shadow_funcs", F(EXT_shadow_funcs
) },
143 { OFF
, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette
) },
144 { OFF
, "GL_EXT_stencil_two_side", F(EXT_stencil_two_side
) },
145 { OFF
, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap
) },
146 { ON
, "GL_EXT_subtexture", F(EXT_subtexture
) },
147 { ON
, "GL_EXT_texture", F(EXT_texture
) },
148 { ON
, "GL_EXT_texture3D", F(EXT_texture3D
) },
149 { OFF
, "GL_EXT_texture_array", F(EXT_texture_array
) },
150 { OFF
, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc
) },
151 { OFF
, "GL_EXT_texture_compression_rgtc", F(ARB_texture_compression_rgtc
) },
152 { OFF
, "GL_EXT_texture_cube_map", F(ARB_texture_cube_map
) },
153 { ON
, "GL_EXT_texture_edge_clamp", F(SGIS_texture_edge_clamp
) },
154 { OFF
, "GL_EXT_texture_env_add", F(EXT_texture_env_add
) },
155 { OFF
, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine
) },
156 { OFF
, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3
) },
157 { OFF
, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic
) },
158 { OFF
, "GL_EXT_texture_integer", F(EXT_texture_integer
) },
159 { OFF
, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias
) },
160 { OFF
, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp
) },
161 { ON
, "GL_EXT_texture_object", F(EXT_texture_object
) },
162 { OFF
, "GL_EXT_texture_rectangle", F(NV_texture_rectangle
) },
163 { OFF
, "GL_EXT_texture_shared_exponent", F(EXT_texture_shared_exponent
) },
164 { OFF
, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB
) },
165 { OFF
, "GL_EXT_texture_swizzle", F(EXT_texture_swizzle
) },
166 { OFF
, "GL_EXT_timer_query", F(EXT_timer_query
) },
167 { OFF
, "GL_EXT_transform_feedback", F(EXT_transform_feedback
) },
168 { ON
, "GL_EXT_vertex_array", F(EXT_vertex_array
) },
169 { OFF
, "GL_EXT_vertex_array_bgra", F(EXT_vertex_array_bgra
) },
170 { OFF
, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set
) },
171 { OFF
, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1
) },
172 { OFF
, "GL_APPLE_client_storage", F(APPLE_client_storage
) },
173 { ON
, "GL_APPLE_packed_pixels", F(APPLE_packed_pixels
) },
174 { OFF
, "GL_APPLE_vertex_array_object", F(APPLE_vertex_array_object
) },
175 { OFF
, "GL_APPLE_object_purgeable", F(APPLE_object_purgeable
) },
176 { OFF
, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate
) },
177 { OFF
, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap
) },
178 { OFF
, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3
)},
179 { OFF
, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once
)},
180 { OFF
, "GL_ATI_fragment_shader", F(ATI_fragment_shader
)},
181 { OFF
, "GL_ATI_separate_stencil", F(ATI_separate_stencil
)},
182 { ON
, "GL_IBM_multimode_draw_arrays", F(IBM_multimode_draw_arrays
) },
183 { ON
, "GL_IBM_rasterpos_clip", F(IBM_rasterpos_clip
) },
184 { OFF
, "GL_IBM_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat
)},
185 { OFF
, "GL_INGR_blend_func_separate", F(EXT_blend_func_separate
) },
186 { OFF
, "GL_MESA_pack_invert", F(MESA_pack_invert
) },
187 { OFF
, "GL_MESA_resize_buffers", F(MESA_resize_buffers
) },
188 { OFF
, "GL_MESA_texture_array", F(MESA_texture_array
) },
189 { OFF
, "GL_MESA_texture_signed_rgba", F(MESA_texture_signed_rgba
) },
190 { OFF
, "GL_MESA_ycbcr_texture", F(MESA_ycbcr_texture
) },
191 { ON
, "GL_MESA_window_pos", F(ARB_window_pos
) },
192 { OFF
, "GL_NV_blend_square", F(NV_blend_square
) },
193 { OFF
, "GL_NV_conditional_render", F(NV_conditional_render
) },
194 { OFF
, "GL_NV_depth_clamp", F(ARB_depth_clamp
) },
195 { OFF
, "GL_NV_fragment_program", F(NV_fragment_program
) },
196 { OFF
, "GL_NV_fragment_program_option", F(NV_fragment_program_option
) },
197 { ON
, "GL_NV_light_max_exponent", F(NV_light_max_exponent
) },
198 { OFF
, "GL_NV_packed_depth_stencil", F(EXT_packed_depth_stencil
) },
199 { OFF
, "GL_NV_point_sprite", F(NV_point_sprite
) },
200 { OFF
, "GL_NV_primitive_restart", F(NV_primitive_restart
) },
201 { ON
, "GL_NV_texgen_reflection", F(NV_texgen_reflection
) },
202 { OFF
, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4
) },
203 { OFF
, "GL_NV_texture_rectangle", F(NV_texture_rectangle
) },
204 { OFF
, "GL_NV_vertex_program", F(NV_vertex_program
) },
205 { OFF
, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1
) },
206 { ON
, "GL_OES_read_format", F(OES_read_format
) },
207 { OFF
, "GL_SGI_texture_color_table", F(SGI_texture_color_table
) },
208 { ON
, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap
) },
209 { OFF
, "GL_SGIS_texture_border_clamp", F(ARB_texture_border_clamp
) },
210 { ON
, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp
) },
211 { ON
, "GL_SGIS_texture_lod", F(SGIS_texture_lod
) },
212 { ON
, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays
) },
213 { OFF
, "GL_S3_s3tc", F(S3_s3tc
) },
214 #if FEATURE_OES_EGL_image
215 { OFF
, "GL_OES_EGL_image", F(OES_EGL_image
) },
217 #if FEATURE_OES_draw_texture
218 { OFF
, "GL_OES_draw_texture", F(OES_draw_texture
) },
219 #endif /* FEATURE_OES_draw_texture */
225 * Enable all extensions suitable for a software-only renderer.
226 * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
229 _mesa_enable_sw_extensions(GLcontext
*ctx
)
231 /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
232 ctx
->Extensions
.ARB_depth_clamp
= GL_TRUE
;
233 ctx
->Extensions
.ARB_depth_texture
= GL_TRUE
;
234 /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
235 ctx
->Extensions
.ARB_draw_elements_base_vertex
= GL_TRUE
;
236 ctx
->Extensions
.ARB_fragment_coord_conventions
= GL_TRUE
;
237 #if FEATURE_ARB_fragment_program
238 ctx
->Extensions
.ARB_fragment_program
= GL_TRUE
;
239 ctx
->Extensions
.ARB_fragment_program_shadow
= GL_TRUE
;
241 #if FEATURE_ARB_fragment_shader
242 ctx
->Extensions
.ARB_fragment_shader
= GL_TRUE
;
244 #if FEATURE_ARB_framebuffer_object
245 ctx
->Extensions
.ARB_framebuffer_object
= GL_TRUE
;
247 #if FEATURE_ARB_geometry_shader4
248 ctx
->Extensions
.ARB_geometry_shader4
= GL_TRUE
;
250 ctx
->Extensions
.ARB_half_float_pixel
= GL_TRUE
;
251 ctx
->Extensions
.ARB_half_float_vertex
= GL_TRUE
;
252 ctx
->Extensions
.ARB_map_buffer_range
= GL_TRUE
;
253 ctx
->Extensions
.ARB_multitexture
= GL_TRUE
;
255 ctx
->Extensions
.ARB_occlusion_query
= GL_TRUE
;
257 ctx
->Extensions
.ARB_point_sprite
= GL_TRUE
;
258 #if FEATURE_ARB_shader_objects
259 ctx
->Extensions
.ARB_shader_objects
= GL_TRUE
;
261 #if FEATURE_ARB_shading_language_100
262 ctx
->Extensions
.ARB_shading_language_100
= GL_TRUE
;
264 ctx
->Extensions
.ARB_shadow
= GL_TRUE
;
265 ctx
->Extensions
.ARB_shadow_ambient
= GL_TRUE
;
266 ctx
->Extensions
.ARB_texture_border_clamp
= GL_TRUE
;
267 ctx
->Extensions
.ARB_texture_cube_map
= GL_TRUE
;
268 ctx
->Extensions
.ARB_texture_env_combine
= GL_TRUE
;
269 ctx
->Extensions
.ARB_texture_env_crossbar
= GL_TRUE
;
270 ctx
->Extensions
.ARB_texture_env_dot3
= GL_TRUE
;
271 /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
272 ctx
->Extensions
.ARB_texture_mirrored_repeat
= GL_TRUE
;
273 ctx
->Extensions
.ARB_texture_non_power_of_two
= GL_TRUE
;
274 ctx
->Extensions
.ARB_texture_rg
= GL_TRUE
;
275 ctx
->Extensions
.ARB_vertex_array_object
= GL_TRUE
;
276 #if FEATURE_ARB_vertex_program
277 ctx
->Extensions
.ARB_vertex_program
= GL_TRUE
;
279 #if FEATURE_ARB_vertex_shader
280 ctx
->Extensions
.ARB_vertex_shader
= GL_TRUE
;
282 #if FEATURE_ARB_vertex_buffer_object
283 /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
286 ctx
->Extensions
.ARB_sync
= GL_TRUE
;
288 ctx
->Extensions
.APPLE_vertex_array_object
= GL_TRUE
;
289 #if FEATURE_APPLE_object_purgeable
290 ctx
->Extensions
.APPLE_object_purgeable
= GL_TRUE
;
292 ctx
->Extensions
.ATI_envmap_bumpmap
= GL_TRUE
;
293 #if FEATURE_ATI_fragment_shader
294 ctx
->Extensions
.ATI_fragment_shader
= GL_TRUE
;
296 ctx
->Extensions
.ATI_texture_env_combine3
= GL_TRUE
;
297 ctx
->Extensions
.ATI_texture_mirror_once
= GL_TRUE
;
298 ctx
->Extensions
.ATI_separate_stencil
= GL_TRUE
;
299 ctx
->Extensions
.EXT_blend_color
= GL_TRUE
;
300 ctx
->Extensions
.EXT_blend_equation_separate
= GL_TRUE
;
301 ctx
->Extensions
.EXT_blend_func_separate
= GL_TRUE
;
302 ctx
->Extensions
.EXT_blend_logic_op
= GL_TRUE
;
303 ctx
->Extensions
.EXT_blend_minmax
= GL_TRUE
;
304 ctx
->Extensions
.EXT_blend_subtract
= GL_TRUE
;
305 ctx
->Extensions
.EXT_depth_bounds_test
= GL_TRUE
;
306 ctx
->Extensions
.EXT_draw_buffers2
= GL_TRUE
;
307 ctx
->Extensions
.EXT_fog_coord
= GL_TRUE
;
308 #if FEATURE_EXT_framebuffer_object
309 ctx
->Extensions
.EXT_framebuffer_object
= GL_TRUE
;
311 #if FEATURE_EXT_framebuffer_blit
312 ctx
->Extensions
.EXT_framebuffer_blit
= GL_TRUE
;
314 #if FEATURE_ARB_framebuffer_object
315 ctx
->Extensions
.EXT_framebuffer_multisample
= GL_TRUE
;
317 /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
318 ctx
->Extensions
.EXT_packed_depth_stencil
= GL_TRUE
;
319 ctx
->Extensions
.EXT_paletted_texture
= GL_TRUE
;
320 #if FEATURE_EXT_pixel_buffer_object
321 ctx
->Extensions
.EXT_pixel_buffer_object
= GL_TRUE
;
323 ctx
->Extensions
.EXT_point_parameters
= GL_TRUE
;
324 ctx
->Extensions
.EXT_provoking_vertex
= GL_TRUE
;
325 ctx
->Extensions
.EXT_shadow_funcs
= GL_TRUE
;
326 ctx
->Extensions
.EXT_secondary_color
= GL_TRUE
;
327 ctx
->Extensions
.EXT_shared_texture_palette
= GL_TRUE
;
328 ctx
->Extensions
.EXT_stencil_wrap
= GL_TRUE
;
329 ctx
->Extensions
.EXT_stencil_two_side
= GL_TRUE
;
330 ctx
->Extensions
.EXT_texture_array
= GL_TRUE
;
331 ctx
->Extensions
.EXT_texture_env_add
= GL_TRUE
;
332 ctx
->Extensions
.EXT_texture_env_combine
= GL_TRUE
;
333 ctx
->Extensions
.EXT_texture_env_dot3
= GL_TRUE
;
334 ctx
->Extensions
.EXT_texture_mirror_clamp
= GL_TRUE
;
335 ctx
->Extensions
.EXT_texture_lod_bias
= GL_TRUE
;
336 #if FEATURE_EXT_texture_sRGB
337 ctx
->Extensions
.EXT_texture_sRGB
= GL_TRUE
;
339 ctx
->Extensions
.EXT_texture_swizzle
= GL_TRUE
;
340 #if FEATURE_EXT_transform_feedback
341 /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
343 ctx
->Extensions
.EXT_vertex_array_bgra
= GL_TRUE
;
344 /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
345 ctx
->Extensions
.MESA_pack_invert
= GL_TRUE
;
346 ctx
->Extensions
.MESA_resize_buffers
= GL_TRUE
;
347 ctx
->Extensions
.MESA_texture_array
= GL_TRUE
;
348 ctx
->Extensions
.MESA_ycbcr_texture
= GL_TRUE
;
349 ctx
->Extensions
.NV_blend_square
= GL_TRUE
;
350 ctx
->Extensions
.NV_conditional_render
= GL_TRUE
;
351 /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
352 ctx
->Extensions
.NV_point_sprite
= GL_TRUE
;
353 ctx
->Extensions
.NV_texture_env_combine4
= GL_TRUE
;
354 ctx
->Extensions
.NV_texture_rectangle
= GL_TRUE
;
355 /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
356 #if FEATURE_NV_vertex_program
357 ctx
->Extensions
.NV_vertex_program
= GL_TRUE
;
358 ctx
->Extensions
.NV_vertex_program1_1
= GL_TRUE
;
360 #if FEATURE_NV_fragment_program
361 ctx
->Extensions
.NV_fragment_program
= GL_TRUE
;
363 #if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
364 ctx
->Extensions
.NV_fragment_program_option
= GL_TRUE
;
366 ctx
->Extensions
.SGI_texture_color_table
= GL_TRUE
;
367 /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
368 ctx
->Extensions
.SGIS_texture_edge_clamp
= GL_TRUE
;
369 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
370 ctx
->Extensions
.EXT_gpu_program_parameters
= GL_TRUE
;
372 #if FEATURE_texture_fxt1
373 _mesa_enable_extension(ctx
, "GL_3DFX_texture_compression_FXT1");
375 #if FEATURE_texture_s3tc
376 if (ctx
->Mesa_DXTn
) {
377 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
378 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
385 * Enable common EXT extensions in the ARB_imaging subset.
388 _mesa_enable_imaging_extensions(GLcontext
*ctx
)
390 ctx
->Extensions
.EXT_blend_color
= GL_TRUE
;
391 ctx
->Extensions
.EXT_blend_logic_op
= GL_TRUE
;
392 ctx
->Extensions
.EXT_blend_minmax
= GL_TRUE
;
393 ctx
->Extensions
.EXT_blend_subtract
= GL_TRUE
;
399 * Enable all OpenGL 1.3 features and extensions.
400 * A convenience function to be called by drivers.
403 _mesa_enable_1_3_extensions(GLcontext
*ctx
)
405 /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
406 ctx
->Extensions
.ARB_multitexture
= GL_TRUE
;
407 ctx
->Extensions
.ARB_texture_border_clamp
= GL_TRUE
;
408 /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
409 ctx
->Extensions
.ARB_texture_cube_map
= GL_TRUE
;
410 ctx
->Extensions
.ARB_texture_env_combine
= GL_TRUE
;
411 ctx
->Extensions
.ARB_texture_env_dot3
= GL_TRUE
;
412 ctx
->Extensions
.EXT_texture_env_add
= GL_TRUE
;
413 /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
419 * Enable all OpenGL 1.4 features and extensions.
420 * A convenience function to be called by drivers.
423 _mesa_enable_1_4_extensions(GLcontext
*ctx
)
425 ctx
->Extensions
.ARB_depth_texture
= GL_TRUE
;
426 ctx
->Extensions
.ARB_shadow
= GL_TRUE
;
427 ctx
->Extensions
.ARB_texture_env_crossbar
= GL_TRUE
;
428 ctx
->Extensions
.ARB_texture_mirrored_repeat
= GL_TRUE
;
429 ctx
->Extensions
.ARB_window_pos
= GL_TRUE
;
430 ctx
->Extensions
.EXT_blend_color
= GL_TRUE
;
431 ctx
->Extensions
.EXT_blend_func_separate
= GL_TRUE
;
432 ctx
->Extensions
.EXT_blend_minmax
= GL_TRUE
;
433 ctx
->Extensions
.EXT_blend_subtract
= GL_TRUE
;
434 ctx
->Extensions
.EXT_fog_coord
= GL_TRUE
;
435 /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
436 ctx
->Extensions
.EXT_point_parameters
= GL_TRUE
;
437 ctx
->Extensions
.EXT_secondary_color
= GL_TRUE
;
438 ctx
->Extensions
.EXT_stencil_wrap
= GL_TRUE
;
439 ctx
->Extensions
.EXT_texture_lod_bias
= GL_TRUE
;
440 /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
445 * Enable all OpenGL 1.5 features and extensions.
446 * A convenience function to be called by drivers.
449 _mesa_enable_1_5_extensions(GLcontext
*ctx
)
451 ctx
->Extensions
.ARB_occlusion_query
= GL_TRUE
;
452 /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
453 ctx
->Extensions
.EXT_shadow_funcs
= GL_TRUE
;
458 * Enable all OpenGL 2.0 features and extensions.
459 * A convenience function to be called by drivers.
462 _mesa_enable_2_0_extensions(GLcontext
*ctx
)
464 /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
465 #if FEATURE_ARB_fragment_shader
466 ctx
->Extensions
.ARB_fragment_shader
= GL_TRUE
;
468 ctx
->Extensions
.ARB_point_sprite
= GL_TRUE
;
469 ctx
->Extensions
.EXT_blend_equation_separate
= GL_TRUE
;
470 ctx
->Extensions
.ARB_texture_non_power_of_two
= GL_TRUE
;
471 #if FEATURE_ARB_shader_objects
472 ctx
->Extensions
.ARB_shader_objects
= GL_TRUE
;
474 #if FEATURE_ARB_shading_language_100
475 ctx
->Extensions
.ARB_shading_language_100
= GL_TRUE
;
477 ctx
->Extensions
.EXT_stencil_two_side
= GL_TRUE
;
478 #if FEATURE_ARB_vertex_shader
479 ctx
->Extensions
.ARB_vertex_shader
= GL_TRUE
;
485 * Enable all OpenGL 2.1 features and extensions.
486 * A convenience function to be called by drivers.
489 _mesa_enable_2_1_extensions(GLcontext
*ctx
)
491 #if FEATURE_EXT_pixel_buffer_object
492 ctx
->Extensions
.EXT_pixel_buffer_object
= GL_TRUE
;
494 #if FEATURE_EXT_texture_sRGB
495 ctx
->Extensions
.EXT_texture_sRGB
= GL_TRUE
;
501 * Either enable or disable the named extension.
502 * \return GL_TRUE for success, GL_FALSE if invalid extension name
505 set_extension( GLcontext
*ctx
, const char *name
, GLboolean state
)
507 GLboolean
*base
= (GLboolean
*) &ctx
->Extensions
;
510 if (ctx
->Extensions
.String
) {
511 /* The string was already queried - can't change it now! */
512 _mesa_problem(ctx
, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name
);
516 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
517 if (strcmp(default_extensions
[i
].name
, name
) == 0) {
518 if (default_extensions
[i
].flag_offset
) {
519 GLboolean
*enabled
= base
+ default_extensions
[i
].flag_offset
;
530 * Enable the named extension.
531 * Typically called by drivers.
534 _mesa_enable_extension( GLcontext
*ctx
, const char *name
)
536 if (!set_extension(ctx
, name
, GL_TRUE
))
537 _mesa_problem(ctx
, "Trying to enable unknown extension: %s", name
);
542 * Disable the named extension.
543 * XXX is this really needed???
546 _mesa_disable_extension( GLcontext
*ctx
, const char *name
)
548 if (!set_extension(ctx
, name
, GL_FALSE
))
549 _mesa_problem(ctx
, "Trying to disable unknown extension: %s", name
);
554 * Check if the i-th extension is enabled.
557 extension_enabled(GLcontext
*ctx
, GLuint index
)
559 const GLboolean
*base
= (const GLboolean
*) &ctx
->Extensions
;
560 if (!default_extensions
[index
].flag_offset
||
561 *(base
+ default_extensions
[index
].flag_offset
)) {
571 * Test if the named extension is enabled in this context.
574 _mesa_extension_is_enabled( GLcontext
*ctx
, const char *name
)
578 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
579 if (strcmp(default_extensions
[i
].name
, name
) == 0) {
580 return extension_enabled(ctx
, i
);
588 * Append string 'b' onto string 'a'. Free 'a' and return new string.
591 append(const char *a
, const char *b
)
593 const GLuint aLen
= a
? strlen(a
) : 0;
594 const GLuint bLen
= b
? strlen(b
) : 0;
595 char *s
= calloc(1, aLen
+ bLen
+ 1);
600 memcpy(s
+ aLen
, b
, bLen
);
601 s
[aLen
+ bLen
] = '\0';
610 * Check the MESA_EXTENSION_OVERRIDE env var.
611 * For extension names that are recognized, turn them on. For extension
612 * names that are recognized and prefixed with '-', turn them off.
613 * Return a string of the unknown/leftover names.
616 get_extension_override( GLcontext
*ctx
)
618 const char *envExt
= _mesa_getenv("MESA_EXTENSION_OVERRIDE");
619 char *extraExt
= NULL
;
623 GLboolean disableExt
= GL_FALSE
;
629 if (envExt
[i
] == '\0' || envExt
[i
] == ' ') {
630 /* terminate/process 'ext' if extLen > 0 */
632 assert(extLen
< sizeof(ext
));
633 /* enable extension named by 'ext' */
635 if (!set_extension(ctx
, ext
, !disableExt
)) {
636 /* unknown extension name, append it to extraExt */
638 extraExt
= append(extraExt
, " ");
640 extraExt
= append(extraExt
, ext
);
643 disableExt
= GL_FALSE
;
645 if (envExt
[i
] == '\0')
648 else if (envExt
[i
] == '-') {
649 disableExt
= GL_TRUE
;
652 /* accumulate this non-space character */
653 ext
[extLen
++] = envExt
[i
];
662 * Run through the default_extensions array above and set the
663 * ctx->Extensions.ARB/EXT_* flags accordingly.
664 * To be called during context initialization.
667 _mesa_init_extensions( GLcontext
*ctx
)
669 GLboolean
*base
= (GLboolean
*) &ctx
->Extensions
;
672 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
673 if (default_extensions
[i
].enabled
&&
674 default_extensions
[i
].flag_offset
) {
675 *(base
+ default_extensions
[i
].flag_offset
) = GL_TRUE
;
682 * Construct the GL_EXTENSIONS string. Called the first time that
683 * glGetString(GL_EXTENSIONS) is called.
686 compute_extensions( GLcontext
*ctx
)
688 const char *extraExt
= get_extension_override(ctx
);
689 GLuint extStrLen
= 0;
693 /* first, compute length of the extension string */
694 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
695 if (extension_enabled(ctx
, i
)) {
696 extStrLen
+= (GLuint
) strlen(default_extensions
[i
].name
) + 1;
701 extStrLen
+= strlen(extraExt
) + 1; /* +1 for space */
703 /* allocate the extension string */
704 s
= (char *) malloc(extStrLen
);
708 /* second, build the extension string */
710 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
711 if (extension_enabled(ctx
, i
)) {
712 GLuint len
= (GLuint
) strlen(default_extensions
[i
].name
);
713 memcpy(s
+ extStrLen
, default_extensions
[i
].name
, len
);
719 ASSERT(extStrLen
> 0);
721 s
[extStrLen
- 1] = 0; /* -1 to overwrite trailing the ' ' */
725 s
= append(s
, extraExt
);
728 return (GLubyte
*) s
;
732 append_extension(GLubyte
**str
, const char *ext
)
735 size_t len
= strlen(ext
);
753 make_extension_string_es1(const GLcontext
*ctx
, GLubyte
*str
)
758 len
+= append_extension(&str
, "GL_OES_byte_coordinates");
759 len
+= append_extension(&str
, "GL_OES_fixed_point");
760 len
+= append_extension(&str
, "GL_OES_single_precision");
761 len
+= append_extension(&str
, "GL_OES_matrix_get");
763 /* 1.1 required extensions */
764 len
+= append_extension(&str
, "GL_OES_read_format");
765 len
+= append_extension(&str
, "GL_OES_compressed_paletted_texture");
766 len
+= append_extension(&str
, "GL_OES_point_size_array");
767 len
+= append_extension(&str
, "GL_OES_point_sprite");
769 /* 1.1 deprecated extensions */
770 len
+= append_extension(&str
, "GL_OES_query_matrix");
772 #if FEATURE_OES_draw_texture
773 if (ctx
->Extensions
.OES_draw_texture
)
774 len
+= append_extension(&str
, "GL_OES_draw_texture");
777 if (ctx
->Extensions
.EXT_blend_equation_separate
)
778 len
+= append_extension(&str
, "GL_OES_blend_equation_separate");
779 if (ctx
->Extensions
.EXT_blend_func_separate
)
780 len
+= append_extension(&str
, "GL_OES_blend_func_separate");
781 if (ctx
->Extensions
.EXT_blend_subtract
)
782 len
+= append_extension(&str
, "GL_OES_blend_subtract");
784 if (ctx
->Extensions
.EXT_stencil_wrap
)
785 len
+= append_extension(&str
, "GL_OES_stencil_wrap");
787 if (ctx
->Extensions
.ARB_texture_cube_map
)
788 len
+= append_extension(&str
, "GL_OES_texture_cube_map");
789 if (ctx
->Extensions
.ARB_texture_env_crossbar
)
790 len
+= append_extension(&str
, "GL_OES_texture_env_crossbar");
791 if (ctx
->Extensions
.ARB_texture_mirrored_repeat
)
792 len
+= append_extension(&str
, "GL_OES_texture_mirrored_repeat");
794 if (ctx
->Extensions
.ARB_framebuffer_object
) {
795 len
+= append_extension(&str
, "GL_OES_framebuffer_object");
796 len
+= append_extension(&str
, "GL_OES_depth24");
797 len
+= append_extension(&str
, "GL_OES_depth32");
798 len
+= append_extension(&str
, "GL_OES_fbo_render_mipmap");
799 len
+= append_extension(&str
, "GL_OES_rgb8_rgba8");
800 len
+= append_extension(&str
, "GL_OES_stencil1");
801 len
+= append_extension(&str
, "GL_OES_stencil4");
802 len
+= append_extension(&str
, "GL_OES_stencil8");
805 if (ctx
->Extensions
.EXT_vertex_array
)
806 len
+= append_extension(&str
, "GL_OES_element_index_uint");
807 if (ctx
->Extensions
.ARB_vertex_buffer_object
)
808 len
+= append_extension(&str
, "GL_OES_mapbuffer");
809 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
)
810 len
+= append_extension(&str
, "GL_EXT_texture_filter_anisotropic");
812 /* some applications check this for NPOT support */
813 if (ctx
->Extensions
.ARB_texture_non_power_of_two
)
814 len
+= append_extension(&str
, "GL_ARB_texture_non_power_of_two");
816 if (ctx
->Extensions
.EXT_texture_compression_s3tc
)
817 len
+= append_extension(&str
, "GL_EXT_texture_compression_dxt1");
818 if (ctx
->Extensions
.EXT_texture_lod_bias
)
819 len
+= append_extension(&str
, "GL_EXT_texture_lod_bias");
820 if (ctx
->Extensions
.EXT_blend_minmax
)
821 len
+= append_extension(&str
, "GL_EXT_blend_minmax");
822 if (ctx
->Extensions
.EXT_multi_draw_arrays
)
823 len
+= append_extension(&str
, "GL_EXT_multi_draw_arrays");
825 #if FEATURE_OES_EGL_image
826 if (ctx
->Extensions
.OES_EGL_image
)
827 len
+= append_extension(&str
, "GL_OES_EGL_image");
835 compute_extensions_es1(const GLcontext
*ctx
)
840 len
= make_extension_string_es1(ctx
, NULL
);
844 make_extension_string_es1(ctx
, s
);
850 make_extension_string_es2(const GLcontext
*ctx
, GLubyte
*str
)
854 len
+= append_extension(&str
, "GL_OES_compressed_paletted_texture");
856 if (ctx
->Extensions
.ARB_framebuffer_object
) {
857 len
+= append_extension(&str
, "GL_OES_depth24");
858 len
+= append_extension(&str
, "GL_OES_depth32");
859 len
+= append_extension(&str
, "GL_OES_fbo_render_mipmap");
860 len
+= append_extension(&str
, "GL_OES_rgb8_rgba8");
861 len
+= append_extension(&str
, "GL_OES_stencil1");
862 len
+= append_extension(&str
, "GL_OES_stencil4");
865 if (ctx
->Extensions
.EXT_vertex_array
)
866 len
+= append_extension(&str
, "GL_OES_element_index_uint");
867 if (ctx
->Extensions
.ARB_vertex_buffer_object
)
868 len
+= append_extension(&str
, "GL_OES_mapbuffer");
870 if (ctx
->Extensions
.EXT_texture3D
)
871 len
+= append_extension(&str
, "GL_OES_texture_3D");
872 if (ctx
->Extensions
.ARB_texture_non_power_of_two
)
873 len
+= append_extension(&str
, "GL_OES_texture_npot");
874 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
)
875 len
+= append_extension(&str
, "GL_EXT_texture_filter_anisotropic");
877 len
+= append_extension(&str
, "GL_EXT_texture_type_2_10_10_10_REV");
878 if (ctx
->Extensions
.ARB_depth_texture
)
879 len
+= append_extension(&str
, "GL_OES_depth_texture");
880 if (ctx
->Extensions
.EXT_packed_depth_stencil
)
881 len
+= append_extension(&str
, "GL_OES_packed_depth_stencil");
882 if (ctx
->Extensions
.ARB_fragment_shader
)
883 len
+= append_extension(&str
, "GL_OES_standard_derivatives");
885 if (ctx
->Extensions
.EXT_texture_compression_s3tc
)
886 len
+= append_extension(&str
, "GL_EXT_texture_compression_dxt1");
887 if (ctx
->Extensions
.EXT_blend_minmax
)
888 len
+= append_extension(&str
, "GL_EXT_blend_minmax");
889 if (ctx
->Extensions
.EXT_multi_draw_arrays
)
890 len
+= append_extension(&str
, "GL_EXT_multi_draw_arrays");
892 #if FEATURE_OES_EGL_image
893 if (ctx
->Extensions
.OES_EGL_image
)
894 len
+= append_extension(&str
, "GL_OES_EGL_image");
901 compute_extensions_es2(GLcontext
*ctx
)
906 len
= make_extension_string_es2(ctx
, NULL
);
910 make_extension_string_es2(ctx
, s
);
917 _mesa_make_extension_string(GLcontext
*ctx
)
921 return compute_extensions(ctx
);
923 return compute_extensions_es2(ctx
);
925 return compute_extensions_es1(ctx
);
933 * Return number of enabled extensions.
936 _mesa_get_extension_count(GLcontext
*ctx
)
940 /* only count once */
941 if (!ctx
->Extensions
.Count
) {
942 for (i
= 0; i
< Elements(default_extensions
); i
++) {
943 if (extension_enabled(ctx
, i
)) {
944 ctx
->Extensions
.Count
++;
950 _mesa_debug(ctx
, "%u of %d extensions enabled\n", ctx
->Extensions
.Count
,
951 (int) Elements(default_extensions
));
953 return ctx
->Extensions
.Count
;
958 * Return name of i-th enabled extension
961 _mesa_get_enabled_extension(GLcontext
*ctx
, GLuint index
)
965 for (i
= 0; i
< Elements(default_extensions
); i
++) {
966 if (extension_enabled(ctx
, i
)) {
968 return (const GLubyte
*) default_extensions
[i
].name
;