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_explicit_attrib_location", F(ARB_explicit_attrib_location
) },
56 { OFF
, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions
) },
57 { OFF
, "GL_ARB_fragment_program", F(ARB_fragment_program
) },
58 { OFF
, "GL_ARB_fragment_program_shadow", F(ARB_fragment_program_shadow
) },
59 { OFF
, "GL_ARB_fragment_shader", F(ARB_fragment_shader
) },
60 { OFF
, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object
) },
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_shader_stencil_export", F(ARB_shader_stencil_export
) },
79 { OFF
, "GL_ARB_shading_language_100", F(ARB_shading_language_100
) },
80 { OFF
, "GL_ARB_shadow", F(ARB_shadow
) },
81 { OFF
, "GL_ARB_shadow_ambient", F(ARB_shadow_ambient
) },
82 { OFF
, "GL_ARB_sync", F(ARB_sync
) },
83 { OFF
, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp
) },
84 { OFF
, "GL_ARB_texture_buffer_object", F(ARB_texture_buffer_object
) },
85 { ON
, "GL_ARB_texture_compression", F(ARB_texture_compression
) },
86 { OFF
, "GL_ARB_texture_compression_rgtc", F(ARB_texture_compression_rgtc
) },
87 { OFF
, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map
) },
88 { OFF
, "GL_ARB_texture_env_add", F(EXT_texture_env_add
) },
89 { OFF
, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine
) },
90 { OFF
, "GL_ARB_texture_env_crossbar", F(ARB_texture_env_crossbar
) },
91 { OFF
, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3
) },
92 { OFF
, "GL_MESAX_texture_float", F(ARB_texture_float
) },
93 { OFF
, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat
)},
94 { OFF
, "GL_ARB_texture_multisample", F(ARB_texture_multisample
) },
95 { OFF
, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two
)},
96 { OFF
, "GL_ARB_texture_rectangle", F(NV_texture_rectangle
) },
97 { OFF
, "GL_ARB_texture_rg", F(ARB_texture_rg
) },
98 { OFF
, "GL_ARB_texture_rgb10_a2ui", F(ARB_texture_rgb10_a2ui
) },
99 { OFF
, "GL_ARB_texture_swizzle", F(EXT_texture_swizzle
) },
100 { ON
, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix
) },
101 { OFF
, "GL_ARB_transform_feedback2", F(ARB_transform_feedback2
) },
102 { OFF
, "GL_ARB_uniform_buffer_object", F(ARB_uniform_buffer_object
) },
103 { OFF
, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra
) },
104 { OFF
, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object
) },
105 { ON
, "GL_ARB_vertex_buffer_object", F(ARB_vertex_buffer_object
) },
106 { OFF
, "GL_ARB_vertex_program", F(ARB_vertex_program
) },
107 { OFF
, "GL_ARB_vertex_shader", F(ARB_vertex_shader
) },
108 { OFF
, "GL_ARB_vertex_type_2_10_10_10_rev", F(ARB_vertex_type_2_10_10_10_rev
) },
109 { ON
, "GL_ARB_window_pos", F(ARB_window_pos
) },
110 { ON
, "GL_EXT_abgr", F(EXT_abgr
) },
111 { ON
, "GL_EXT_bgra", F(EXT_bgra
) },
112 { OFF
, "GL_EXT_blend_color", F(EXT_blend_color
) },
113 { OFF
, "GL_EXT_blend_equation_separate", F(EXT_blend_equation_separate
) },
114 { OFF
, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate
) },
115 { OFF
, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op
) },
116 { OFF
, "GL_EXT_blend_minmax", F(EXT_blend_minmax
) },
117 { OFF
, "GL_EXT_blend_subtract", F(EXT_blend_subtract
) },
118 { OFF
, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint
) },
119 { ON
, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array
) },
120 { ON
, "GL_EXT_copy_texture", F(EXT_copy_texture
) },
121 { OFF
, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test
) },
122 { OFF
, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2
) },
123 { OFF
, "GL_EXT_draw_instanced", F(ARB_draw_instanced
) },
124 { ON
, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements
) },
125 { OFF
, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit
) },
126 { OFF
, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample
) },
127 { OFF
, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object
) },
128 { OFF
, "GL_EXT_framebuffer_sRGB", F(EXT_framebuffer_sRGB
) },
129 { OFF
, "GL_EXT_fog_coord", F(EXT_fog_coord
) },
130 { OFF
, "GL_EXT_gpu_program_parameters", F(EXT_gpu_program_parameters
) },
131 { OFF
, "GL_EXT_gpu_shader4", F(EXT_gpu_shader4
) },
132 { ON
, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays
) },
133 { OFF
, "GL_EXT_packed_depth_stencil", F(EXT_packed_depth_stencil
) },
134 { OFF
, "GL_EXT_packed_float", F(EXT_packed_float
) },
135 { ON
, "GL_EXT_packed_pixels", F(EXT_packed_pixels
) },
136 { OFF
, "GL_EXT_paletted_texture", F(EXT_paletted_texture
) },
137 { OFF
, "GL_EXT_pixel_buffer_object", F(EXT_pixel_buffer_object
) },
138 { OFF
, "GL_EXT_point_parameters", F(EXT_point_parameters
) },
139 { ON
, "GL_EXT_polygon_offset", F(EXT_polygon_offset
) },
140 { OFF
, "GL_EXT_provoking_vertex", F(EXT_provoking_vertex
) },
141 { ON
, "GL_EXT_rescale_normal", F(EXT_rescale_normal
) },
142 { OFF
, "GL_EXT_secondary_color", F(EXT_secondary_color
) },
143 { OFF
, "GL_EXT_separate_shader_objects", F(EXT_separate_shader_objects
) },
144 { ON
, "GL_EXT_separate_specular_color", F(EXT_separate_specular_color
) },
145 { OFF
, "GL_EXT_shadow_funcs", F(EXT_shadow_funcs
) },
146 { OFF
, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette
) },
147 { OFF
, "GL_EXT_stencil_two_side", F(EXT_stencil_two_side
) },
148 { OFF
, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap
) },
149 { ON
, "GL_EXT_subtexture", F(EXT_subtexture
) },
150 { ON
, "GL_EXT_texture", F(EXT_texture
) },
151 { ON
, "GL_EXT_texture3D", F(EXT_texture3D
) },
152 { OFF
, "GL_EXT_texture_array", F(EXT_texture_array
) },
153 { OFF
, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc
) },
154 { OFF
, "GL_EXT_texture_compression_rgtc", F(ARB_texture_compression_rgtc
) },
155 { OFF
, "GL_EXT_texture_cube_map", F(ARB_texture_cube_map
) },
156 { ON
, "GL_EXT_texture_edge_clamp", F(SGIS_texture_edge_clamp
) },
157 { OFF
, "GL_EXT_texture_env_add", F(EXT_texture_env_add
) },
158 { OFF
, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine
) },
159 { OFF
, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3
) },
160 { OFF
, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic
) },
161 { OFF
, "GL_EXT_texture_integer", F(EXT_texture_integer
) },
162 { OFF
, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias
) },
163 { OFF
, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp
) },
164 { ON
, "GL_EXT_texture_object", F(EXT_texture_object
) },
165 { OFF
, "GL_EXT_texture_rectangle", F(NV_texture_rectangle
) },
166 { OFF
, "GL_EXT_texture_shared_exponent", F(EXT_texture_shared_exponent
) },
167 { OFF
, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB
) },
168 { OFF
, "GL_EXT_texture_swizzle", F(EXT_texture_swizzle
) },
169 { OFF
, "GL_EXT_timer_query", F(EXT_timer_query
) },
170 { OFF
, "GL_EXT_transform_feedback", F(EXT_transform_feedback
) },
171 { ON
, "GL_EXT_vertex_array", F(EXT_vertex_array
) },
172 { OFF
, "GL_EXT_vertex_array_bgra", F(EXT_vertex_array_bgra
) },
173 { OFF
, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set
) },
174 { OFF
, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1
) },
175 { OFF
, "GL_APPLE_client_storage", F(APPLE_client_storage
) },
176 { ON
, "GL_APPLE_packed_pixels", F(APPLE_packed_pixels
) },
177 { OFF
, "GL_APPLE_vertex_array_object", F(APPLE_vertex_array_object
) },
178 { OFF
, "GL_APPLE_object_purgeable", F(APPLE_object_purgeable
) },
179 { OFF
, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate
) },
180 { OFF
, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap
) },
181 { OFF
, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3
)},
182 { OFF
, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once
)},
183 { OFF
, "GL_ATI_fragment_shader", F(ATI_fragment_shader
)},
184 { OFF
, "GL_ATI_separate_stencil", F(ATI_separate_stencil
)},
185 { ON
, "GL_IBM_multimode_draw_arrays", F(IBM_multimode_draw_arrays
) },
186 { ON
, "GL_IBM_rasterpos_clip", F(IBM_rasterpos_clip
) },
187 { OFF
, "GL_IBM_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat
)},
188 { OFF
, "GL_INGR_blend_func_separate", F(EXT_blend_func_separate
) },
189 { OFF
, "GL_MESA_pack_invert", F(MESA_pack_invert
) },
190 { OFF
, "GL_MESA_resize_buffers", F(MESA_resize_buffers
) },
191 { OFF
, "GL_MESA_texture_array", F(MESA_texture_array
) },
192 { OFF
, "GL_MESA_texture_signed_rgba", F(MESA_texture_signed_rgba
) },
193 { OFF
, "GL_MESA_ycbcr_texture", F(MESA_ycbcr_texture
) },
194 { ON
, "GL_MESA_window_pos", F(ARB_window_pos
) },
195 { OFF
, "GL_NV_blend_square", F(NV_blend_square
) },
196 { OFF
, "GL_NV_conditional_render", F(NV_conditional_render
) },
197 { OFF
, "GL_NV_depth_clamp", F(ARB_depth_clamp
) },
198 { OFF
, "GL_NV_fragment_program", F(NV_fragment_program
) },
199 { OFF
, "GL_NV_fragment_program_option", F(NV_fragment_program_option
) },
200 { ON
, "GL_NV_light_max_exponent", F(NV_light_max_exponent
) },
201 { OFF
, "GL_NV_packed_depth_stencil", F(EXT_packed_depth_stencil
) },
202 { OFF
, "GL_NV_point_sprite", F(NV_point_sprite
) },
203 { OFF
, "GL_NV_primitive_restart", F(NV_primitive_restart
) },
204 { ON
, "GL_NV_texgen_reflection", F(NV_texgen_reflection
) },
205 { OFF
, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4
) },
206 { OFF
, "GL_NV_texture_rectangle", F(NV_texture_rectangle
) },
207 { OFF
, "GL_NV_vertex_program", F(NV_vertex_program
) },
208 { OFF
, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1
) },
209 { ON
, "GL_OES_read_format", F(OES_read_format
) },
210 { OFF
, "GL_SGI_texture_color_table", F(SGI_texture_color_table
) },
211 { ON
, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap
) },
212 { OFF
, "GL_SGIS_texture_border_clamp", F(ARB_texture_border_clamp
) },
213 { ON
, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp
) },
214 { ON
, "GL_SGIS_texture_lod", F(SGIS_texture_lod
) },
215 { ON
, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays
) },
216 { OFF
, "GL_S3_s3tc", F(S3_s3tc
) },
217 { OFF
, "GL_EXT_texture_format_BGRA8888", F(EXT_texture_format_BGRA8888
) },
218 #if FEATURE_OES_EGL_image
219 { OFF
, "GL_OES_EGL_image", F(OES_EGL_image
) },
221 #if FEATURE_OES_draw_texture
222 { OFF
, "GL_OES_draw_texture", F(OES_draw_texture
) },
223 #endif /* FEATURE_OES_draw_texture */
229 * Enable all extensions suitable for a software-only renderer.
230 * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
233 _mesa_enable_sw_extensions(struct gl_context
*ctx
)
235 /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
236 ctx
->Extensions
.ARB_depth_clamp
= GL_TRUE
;
237 ctx
->Extensions
.ARB_depth_texture
= GL_TRUE
;
238 /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
239 ctx
->Extensions
.ARB_draw_elements_base_vertex
= GL_TRUE
;
240 ctx
->Extensions
.ARB_explicit_attrib_location
= GL_TRUE
;
241 ctx
->Extensions
.ARB_fragment_coord_conventions
= GL_TRUE
;
242 #if FEATURE_ARB_fragment_program
243 ctx
->Extensions
.ARB_fragment_program
= GL_TRUE
;
244 ctx
->Extensions
.ARB_fragment_program_shadow
= GL_TRUE
;
246 #if FEATURE_ARB_fragment_shader
247 ctx
->Extensions
.ARB_fragment_shader
= GL_TRUE
;
249 #if FEATURE_ARB_framebuffer_object
250 ctx
->Extensions
.ARB_framebuffer_object
= GL_TRUE
;
252 #if FEATURE_ARB_geometry_shader4 && 0
253 /* XXX re-enable when GLSL compiler again supports geometry shaders */
254 ctx
->Extensions
.ARB_geometry_shader4
= GL_TRUE
;
256 ctx
->Extensions
.ARB_half_float_pixel
= GL_TRUE
;
257 ctx
->Extensions
.ARB_half_float_vertex
= GL_TRUE
;
258 ctx
->Extensions
.ARB_map_buffer_range
= GL_TRUE
;
259 ctx
->Extensions
.ARB_multitexture
= GL_TRUE
;
261 ctx
->Extensions
.ARB_occlusion_query
= GL_TRUE
;
262 ctx
->Extensions
.ARB_occlusion_query2
= GL_TRUE
;
264 ctx
->Extensions
.ARB_point_sprite
= GL_TRUE
;
265 #if FEATURE_ARB_shader_objects
266 ctx
->Extensions
.ARB_shader_objects
= GL_TRUE
;
267 ctx
->Extensions
.EXT_separate_shader_objects
= GL_TRUE
;
269 #if FEATURE_ARB_shading_language_100
270 ctx
->Extensions
.ARB_shading_language_100
= GL_TRUE
;
272 ctx
->Extensions
.ARB_shadow
= GL_TRUE
;
273 ctx
->Extensions
.ARB_shadow_ambient
= GL_TRUE
;
274 ctx
->Extensions
.ARB_texture_border_clamp
= GL_TRUE
;
275 ctx
->Extensions
.ARB_texture_cube_map
= GL_TRUE
;
276 ctx
->Extensions
.ARB_texture_env_combine
= GL_TRUE
;
277 ctx
->Extensions
.ARB_texture_env_crossbar
= GL_TRUE
;
278 ctx
->Extensions
.ARB_texture_env_dot3
= GL_TRUE
;
279 /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
280 ctx
->Extensions
.ARB_texture_mirrored_repeat
= GL_TRUE
;
281 ctx
->Extensions
.ARB_texture_non_power_of_two
= GL_TRUE
;
282 ctx
->Extensions
.ARB_texture_rg
= GL_TRUE
;
283 ctx
->Extensions
.ARB_vertex_array_object
= GL_TRUE
;
284 #if FEATURE_ARB_vertex_program
285 ctx
->Extensions
.ARB_vertex_program
= GL_TRUE
;
287 #if FEATURE_ARB_vertex_shader
288 ctx
->Extensions
.ARB_vertex_shader
= GL_TRUE
;
290 #if FEATURE_ARB_vertex_buffer_object
291 /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
294 ctx
->Extensions
.ARB_sync
= GL_TRUE
;
296 ctx
->Extensions
.APPLE_vertex_array_object
= GL_TRUE
;
297 #if FEATURE_APPLE_object_purgeable
298 ctx
->Extensions
.APPLE_object_purgeable
= GL_TRUE
;
300 ctx
->Extensions
.ATI_envmap_bumpmap
= GL_TRUE
;
301 #if FEATURE_ATI_fragment_shader
302 ctx
->Extensions
.ATI_fragment_shader
= GL_TRUE
;
304 ctx
->Extensions
.ATI_texture_env_combine3
= GL_TRUE
;
305 ctx
->Extensions
.ATI_texture_mirror_once
= GL_TRUE
;
306 ctx
->Extensions
.ATI_separate_stencil
= GL_TRUE
;
307 ctx
->Extensions
.EXT_blend_color
= GL_TRUE
;
308 ctx
->Extensions
.EXT_blend_equation_separate
= GL_TRUE
;
309 ctx
->Extensions
.EXT_blend_func_separate
= GL_TRUE
;
310 ctx
->Extensions
.EXT_blend_logic_op
= GL_TRUE
;
311 ctx
->Extensions
.EXT_blend_minmax
= GL_TRUE
;
312 ctx
->Extensions
.EXT_blend_subtract
= GL_TRUE
;
313 ctx
->Extensions
.EXT_depth_bounds_test
= GL_TRUE
;
314 ctx
->Extensions
.EXT_draw_buffers2
= GL_TRUE
;
315 ctx
->Extensions
.EXT_fog_coord
= GL_TRUE
;
316 #if FEATURE_EXT_framebuffer_object
317 ctx
->Extensions
.EXT_framebuffer_object
= GL_TRUE
;
319 #if FEATURE_EXT_framebuffer_blit
320 ctx
->Extensions
.EXT_framebuffer_blit
= GL_TRUE
;
322 #if FEATURE_ARB_framebuffer_object
323 ctx
->Extensions
.EXT_framebuffer_multisample
= GL_TRUE
;
325 /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
326 ctx
->Extensions
.EXT_packed_depth_stencil
= GL_TRUE
;
327 ctx
->Extensions
.EXT_paletted_texture
= GL_TRUE
;
328 #if FEATURE_EXT_pixel_buffer_object
329 ctx
->Extensions
.EXT_pixel_buffer_object
= GL_TRUE
;
331 ctx
->Extensions
.EXT_point_parameters
= GL_TRUE
;
332 ctx
->Extensions
.EXT_provoking_vertex
= GL_TRUE
;
333 ctx
->Extensions
.EXT_shadow_funcs
= GL_TRUE
;
334 ctx
->Extensions
.EXT_secondary_color
= GL_TRUE
;
335 ctx
->Extensions
.EXT_shared_texture_palette
= GL_TRUE
;
336 ctx
->Extensions
.EXT_stencil_wrap
= GL_TRUE
;
337 ctx
->Extensions
.EXT_stencil_two_side
= GL_TRUE
;
338 ctx
->Extensions
.EXT_texture_array
= GL_TRUE
;
339 ctx
->Extensions
.EXT_texture_env_add
= GL_TRUE
;
340 ctx
->Extensions
.EXT_texture_env_combine
= GL_TRUE
;
341 ctx
->Extensions
.EXT_texture_env_dot3
= GL_TRUE
;
342 ctx
->Extensions
.EXT_texture_mirror_clamp
= GL_TRUE
;
343 ctx
->Extensions
.EXT_texture_lod_bias
= GL_TRUE
;
344 #if FEATURE_EXT_texture_sRGB
345 ctx
->Extensions
.EXT_texture_sRGB
= GL_TRUE
;
347 ctx
->Extensions
.EXT_texture_swizzle
= GL_TRUE
;
348 #if FEATURE_EXT_transform_feedback
349 /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
351 ctx
->Extensions
.EXT_vertex_array_bgra
= GL_TRUE
;
352 /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
353 ctx
->Extensions
.MESA_pack_invert
= GL_TRUE
;
354 ctx
->Extensions
.MESA_resize_buffers
= GL_TRUE
;
355 ctx
->Extensions
.MESA_texture_array
= GL_TRUE
;
356 ctx
->Extensions
.MESA_ycbcr_texture
= GL_TRUE
;
357 ctx
->Extensions
.NV_blend_square
= GL_TRUE
;
358 ctx
->Extensions
.NV_conditional_render
= GL_TRUE
;
359 /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
360 ctx
->Extensions
.NV_point_sprite
= GL_TRUE
;
361 ctx
->Extensions
.NV_texture_env_combine4
= GL_TRUE
;
362 ctx
->Extensions
.NV_texture_rectangle
= GL_TRUE
;
363 /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
364 #if FEATURE_NV_vertex_program
365 ctx
->Extensions
.NV_vertex_program
= GL_TRUE
;
366 ctx
->Extensions
.NV_vertex_program1_1
= GL_TRUE
;
368 #if FEATURE_NV_fragment_program
369 ctx
->Extensions
.NV_fragment_program
= GL_TRUE
;
371 #if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
372 ctx
->Extensions
.NV_fragment_program_option
= GL_TRUE
;
374 ctx
->Extensions
.SGI_texture_color_table
= GL_TRUE
;
375 /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
376 ctx
->Extensions
.SGIS_texture_edge_clamp
= GL_TRUE
;
377 #if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
378 ctx
->Extensions
.EXT_gpu_program_parameters
= GL_TRUE
;
380 #if FEATURE_texture_fxt1
381 _mesa_enable_extension(ctx
, "GL_3DFX_texture_compression_FXT1");
383 #if FEATURE_texture_s3tc
384 if (ctx
->Mesa_DXTn
) {
385 _mesa_enable_extension(ctx
, "GL_EXT_texture_compression_s3tc");
386 _mesa_enable_extension(ctx
, "GL_S3_s3tc");
393 * Enable common EXT extensions in the ARB_imaging subset.
396 _mesa_enable_imaging_extensions(struct gl_context
*ctx
)
398 ctx
->Extensions
.EXT_blend_color
= GL_TRUE
;
399 ctx
->Extensions
.EXT_blend_logic_op
= GL_TRUE
;
400 ctx
->Extensions
.EXT_blend_minmax
= GL_TRUE
;
401 ctx
->Extensions
.EXT_blend_subtract
= GL_TRUE
;
407 * Enable all OpenGL 1.3 features and extensions.
408 * A convenience function to be called by drivers.
411 _mesa_enable_1_3_extensions(struct gl_context
*ctx
)
413 /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
414 ctx
->Extensions
.ARB_multitexture
= GL_TRUE
;
415 ctx
->Extensions
.ARB_texture_border_clamp
= GL_TRUE
;
416 /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
417 ctx
->Extensions
.ARB_texture_cube_map
= GL_TRUE
;
418 ctx
->Extensions
.ARB_texture_env_combine
= GL_TRUE
;
419 ctx
->Extensions
.ARB_texture_env_dot3
= GL_TRUE
;
420 ctx
->Extensions
.EXT_texture_env_add
= GL_TRUE
;
421 /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
427 * Enable all OpenGL 1.4 features and extensions.
428 * A convenience function to be called by drivers.
431 _mesa_enable_1_4_extensions(struct gl_context
*ctx
)
433 ctx
->Extensions
.ARB_depth_texture
= GL_TRUE
;
434 ctx
->Extensions
.ARB_shadow
= GL_TRUE
;
435 ctx
->Extensions
.ARB_texture_env_crossbar
= GL_TRUE
;
436 ctx
->Extensions
.ARB_texture_mirrored_repeat
= GL_TRUE
;
437 ctx
->Extensions
.ARB_window_pos
= GL_TRUE
;
438 ctx
->Extensions
.EXT_blend_color
= GL_TRUE
;
439 ctx
->Extensions
.EXT_blend_func_separate
= GL_TRUE
;
440 ctx
->Extensions
.EXT_blend_minmax
= GL_TRUE
;
441 ctx
->Extensions
.EXT_blend_subtract
= GL_TRUE
;
442 ctx
->Extensions
.EXT_fog_coord
= GL_TRUE
;
443 /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
444 ctx
->Extensions
.EXT_point_parameters
= GL_TRUE
;
445 ctx
->Extensions
.EXT_secondary_color
= GL_TRUE
;
446 ctx
->Extensions
.EXT_stencil_wrap
= GL_TRUE
;
447 ctx
->Extensions
.EXT_texture_lod_bias
= GL_TRUE
;
448 /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
453 * Enable all OpenGL 1.5 features and extensions.
454 * A convenience function to be called by drivers.
457 _mesa_enable_1_5_extensions(struct gl_context
*ctx
)
459 ctx
->Extensions
.ARB_occlusion_query
= GL_TRUE
;
460 /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
461 ctx
->Extensions
.EXT_shadow_funcs
= GL_TRUE
;
466 * Enable all OpenGL 2.0 features and extensions.
467 * A convenience function to be called by drivers.
470 _mesa_enable_2_0_extensions(struct gl_context
*ctx
)
472 /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
473 #if FEATURE_ARB_fragment_shader
474 ctx
->Extensions
.ARB_fragment_shader
= GL_TRUE
;
476 ctx
->Extensions
.ARB_point_sprite
= GL_TRUE
;
477 ctx
->Extensions
.EXT_blend_equation_separate
= GL_TRUE
;
478 ctx
->Extensions
.ARB_texture_non_power_of_two
= GL_TRUE
;
479 #if FEATURE_ARB_shader_objects
480 ctx
->Extensions
.ARB_shader_objects
= GL_TRUE
;
482 #if FEATURE_ARB_shading_language_100
483 ctx
->Extensions
.ARB_shading_language_100
= GL_TRUE
;
485 ctx
->Extensions
.EXT_stencil_two_side
= GL_TRUE
;
486 #if FEATURE_ARB_vertex_shader
487 ctx
->Extensions
.ARB_vertex_shader
= GL_TRUE
;
493 * Enable all OpenGL 2.1 features and extensions.
494 * A convenience function to be called by drivers.
497 _mesa_enable_2_1_extensions(struct gl_context
*ctx
)
499 #if FEATURE_EXT_pixel_buffer_object
500 ctx
->Extensions
.EXT_pixel_buffer_object
= GL_TRUE
;
502 #if FEATURE_EXT_texture_sRGB
503 ctx
->Extensions
.EXT_texture_sRGB
= GL_TRUE
;
509 * Either enable or disable the named extension.
510 * \return GL_TRUE for success, GL_FALSE if invalid extension name
513 set_extension( struct gl_context
*ctx
, const char *name
, GLboolean state
)
515 GLboolean
*base
= (GLboolean
*) &ctx
->Extensions
;
518 if (ctx
->Extensions
.String
) {
519 /* The string was already queried - can't change it now! */
520 _mesa_problem(ctx
, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name
);
524 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
525 if (strcmp(default_extensions
[i
].name
, name
) == 0) {
526 if (default_extensions
[i
].flag_offset
) {
527 GLboolean
*enabled
= base
+ default_extensions
[i
].flag_offset
;
538 * Enable the named extension.
539 * Typically called by drivers.
542 _mesa_enable_extension( struct gl_context
*ctx
, const char *name
)
544 if (!set_extension(ctx
, name
, GL_TRUE
))
545 _mesa_problem(ctx
, "Trying to enable unknown extension: %s", name
);
550 * Disable the named extension.
551 * XXX is this really needed???
554 _mesa_disable_extension( struct gl_context
*ctx
, const char *name
)
556 if (!set_extension(ctx
, name
, GL_FALSE
))
557 _mesa_problem(ctx
, "Trying to disable unknown extension: %s", name
);
562 * Check if the i-th extension is enabled.
565 extension_enabled(struct gl_context
*ctx
, GLuint index
)
567 const GLboolean
*base
= (const GLboolean
*) &ctx
->Extensions
;
568 if (!default_extensions
[index
].flag_offset
||
569 *(base
+ default_extensions
[index
].flag_offset
)) {
579 * Test if the named extension is enabled in this context.
582 _mesa_extension_is_enabled( struct gl_context
*ctx
, const char *name
)
586 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
587 if (strcmp(default_extensions
[i
].name
, name
) == 0) {
588 return extension_enabled(ctx
, i
);
596 * Append string 'b' onto string 'a'. Free 'a' and return new string.
599 append(const char *a
, const char *b
)
601 const GLuint aLen
= a
? strlen(a
) : 0;
602 const GLuint bLen
= b
? strlen(b
) : 0;
603 char *s
= calloc(1, aLen
+ bLen
+ 1);
608 memcpy(s
+ aLen
, b
, bLen
);
609 s
[aLen
+ bLen
] = '\0';
618 * Check the MESA_EXTENSION_OVERRIDE env var.
619 * For extension names that are recognized, turn them on. For extension
620 * names that are recognized and prefixed with '-', turn them off.
621 * Return a string of the unknown/leftover names.
624 get_extension_override( struct gl_context
*ctx
)
626 const char *envExt
= _mesa_getenv("MESA_EXTENSION_OVERRIDE");
627 char *extraExt
= NULL
;
631 GLboolean disableExt
= GL_FALSE
;
637 if (envExt
[i
] == '\0' || envExt
[i
] == ' ') {
638 /* terminate/process 'ext' if extLen > 0 */
640 assert(extLen
< sizeof(ext
));
641 /* enable extension named by 'ext' */
643 if (!set_extension(ctx
, ext
, !disableExt
)) {
644 /* unknown extension name, append it to extraExt */
646 extraExt
= append(extraExt
, " ");
648 extraExt
= append(extraExt
, ext
);
651 disableExt
= GL_FALSE
;
653 if (envExt
[i
] == '\0')
656 else if (envExt
[i
] == '-') {
657 disableExt
= GL_TRUE
;
660 /* accumulate this non-space character */
661 ext
[extLen
++] = envExt
[i
];
670 * Run through the default_extensions array above and set the
671 * ctx->Extensions.ARB/EXT_* flags accordingly.
672 * To be called during context initialization.
675 _mesa_init_extensions( struct gl_context
*ctx
)
677 GLboolean
*base
= (GLboolean
*) &ctx
->Extensions
;
680 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
681 if (default_extensions
[i
].enabled
&&
682 default_extensions
[i
].flag_offset
) {
683 *(base
+ default_extensions
[i
].flag_offset
) = GL_TRUE
;
690 * Construct the GL_EXTENSIONS string. Called the first time that
691 * glGetString(GL_EXTENSIONS) is called.
694 compute_extensions( struct gl_context
*ctx
)
696 const char *extraExt
= get_extension_override(ctx
);
697 GLuint extStrLen
= 0;
701 /* first, compute length of the extension string */
702 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
703 if (extension_enabled(ctx
, i
)) {
704 extStrLen
+= (GLuint
) strlen(default_extensions
[i
].name
) + 1;
709 extStrLen
+= strlen(extraExt
) + 1; /* +1 for space */
711 /* allocate the extension string */
712 s
= (char *) malloc(extStrLen
);
716 /* second, build the extension string */
718 for (i
= 0 ; i
< Elements(default_extensions
) ; i
++) {
719 if (extension_enabled(ctx
, i
)) {
720 GLuint len
= (GLuint
) strlen(default_extensions
[i
].name
);
721 memcpy(s
+ extStrLen
, default_extensions
[i
].name
, len
);
727 ASSERT(extStrLen
> 0);
729 s
[extStrLen
- 1] = 0; /* -1 to overwrite trailing the ' ' */
733 s
= append(s
, extraExt
);
736 return (GLubyte
*) s
;
740 append_extension(GLubyte
**str
, const char *ext
)
743 size_t len
= strlen(ext
);
761 make_extension_string_es1(const struct gl_context
*ctx
, GLubyte
*str
)
766 len
+= append_extension(&str
, "GL_OES_byte_coordinates");
767 len
+= append_extension(&str
, "GL_OES_fixed_point");
768 len
+= append_extension(&str
, "GL_OES_single_precision");
769 len
+= append_extension(&str
, "GL_OES_matrix_get");
771 /* 1.1 required extensions */
772 len
+= append_extension(&str
, "GL_OES_read_format");
773 len
+= append_extension(&str
, "GL_OES_compressed_paletted_texture");
774 len
+= append_extension(&str
, "GL_OES_point_size_array");
775 len
+= append_extension(&str
, "GL_OES_point_sprite");
777 /* 1.1 deprecated extensions */
778 len
+= append_extension(&str
, "GL_OES_query_matrix");
780 #if FEATURE_OES_draw_texture
781 if (ctx
->Extensions
.OES_draw_texture
)
782 len
+= append_extension(&str
, "GL_OES_draw_texture");
785 if (ctx
->Extensions
.EXT_blend_equation_separate
)
786 len
+= append_extension(&str
, "GL_OES_blend_equation_separate");
787 if (ctx
->Extensions
.EXT_blend_func_separate
)
788 len
+= append_extension(&str
, "GL_OES_blend_func_separate");
789 if (ctx
->Extensions
.EXT_blend_subtract
)
790 len
+= append_extension(&str
, "GL_OES_blend_subtract");
792 if (ctx
->Extensions
.EXT_stencil_wrap
)
793 len
+= append_extension(&str
, "GL_OES_stencil_wrap");
795 if (ctx
->Extensions
.ARB_texture_cube_map
)
796 len
+= append_extension(&str
, "GL_OES_texture_cube_map");
797 if (ctx
->Extensions
.ARB_texture_env_crossbar
)
798 len
+= append_extension(&str
, "GL_OES_texture_env_crossbar");
799 if (ctx
->Extensions
.ARB_texture_mirrored_repeat
)
800 len
+= append_extension(&str
, "GL_OES_texture_mirrored_repeat");
802 if (ctx
->Extensions
.ARB_framebuffer_object
) {
803 len
+= append_extension(&str
, "GL_OES_framebuffer_object");
804 len
+= append_extension(&str
, "GL_OES_depth24");
805 len
+= append_extension(&str
, "GL_OES_depth32");
806 len
+= append_extension(&str
, "GL_OES_fbo_render_mipmap");
807 len
+= append_extension(&str
, "GL_OES_rgb8_rgba8");
808 len
+= append_extension(&str
, "GL_OES_stencil1");
809 len
+= append_extension(&str
, "GL_OES_stencil4");
810 len
+= append_extension(&str
, "GL_OES_stencil8");
813 if (ctx
->Extensions
.EXT_vertex_array
)
814 len
+= append_extension(&str
, "GL_OES_element_index_uint");
815 if (ctx
->Extensions
.ARB_vertex_buffer_object
)
816 len
+= append_extension(&str
, "GL_OES_mapbuffer");
817 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
)
818 len
+= append_extension(&str
, "GL_EXT_texture_filter_anisotropic");
820 /* some applications check this for NPOT support */
821 if (ctx
->Extensions
.ARB_texture_non_power_of_two
)
822 len
+= append_extension(&str
, "GL_ARB_texture_non_power_of_two");
824 if (ctx
->Extensions
.EXT_texture_compression_s3tc
)
825 len
+= append_extension(&str
, "GL_EXT_texture_compression_dxt1");
826 if (ctx
->Extensions
.EXT_texture_lod_bias
)
827 len
+= append_extension(&str
, "GL_EXT_texture_lod_bias");
828 if (ctx
->Extensions
.EXT_blend_minmax
)
829 len
+= append_extension(&str
, "GL_EXT_blend_minmax");
830 if (ctx
->Extensions
.EXT_multi_draw_arrays
)
831 len
+= append_extension(&str
, "GL_EXT_multi_draw_arrays");
833 #if FEATURE_OES_EGL_image
834 if (ctx
->Extensions
.OES_EGL_image
)
835 len
+= append_extension(&str
, "GL_OES_EGL_image");
843 compute_extensions_es1(const struct gl_context
*ctx
)
848 len
= make_extension_string_es1(ctx
, NULL
);
852 make_extension_string_es1(ctx
, s
);
858 make_extension_string_es2(const struct gl_context
*ctx
, GLubyte
*str
)
862 if (ctx
->Extensions
.ARB_framebuffer_object
) {
863 len
+= append_extension(&str
, "GL_OES_depth24");
864 len
+= append_extension(&str
, "GL_OES_depth32");
865 len
+= append_extension(&str
, "GL_OES_fbo_render_mipmap");
866 len
+= append_extension(&str
, "GL_OES_rgb8_rgba8");
867 len
+= append_extension(&str
, "GL_OES_stencil1");
868 len
+= append_extension(&str
, "GL_OES_stencil4");
871 if (ctx
->Extensions
.EXT_vertex_array
)
872 len
+= append_extension(&str
, "GL_OES_element_index_uint");
873 if (ctx
->Extensions
.ARB_vertex_buffer_object
)
874 len
+= append_extension(&str
, "GL_OES_mapbuffer");
877 /* disabled because of missing GLSL support */
878 if (ctx
->Extensions
.EXT_texture3D
)
879 len
+= append_extension(&str
, "GL_OES_texture_3D");
882 if (ctx
->Extensions
.ARB_texture_non_power_of_two
)
883 len
+= append_extension(&str
, "GL_OES_texture_npot");
884 if (ctx
->Extensions
.EXT_texture_filter_anisotropic
)
885 len
+= append_extension(&str
, "GL_EXT_texture_filter_anisotropic");
887 len
+= append_extension(&str
, "GL_EXT_texture_type_2_10_10_10_REV");
888 if (ctx
->Extensions
.ARB_depth_texture
)
889 len
+= append_extension(&str
, "GL_OES_depth_texture");
890 if (ctx
->Extensions
.EXT_packed_depth_stencil
)
891 len
+= append_extension(&str
, "GL_OES_packed_depth_stencil");
892 if (ctx
->Extensions
.ARB_fragment_shader
)
893 len
+= append_extension(&str
, "GL_OES_standard_derivatives");
895 if (ctx
->Extensions
.EXT_texture_compression_s3tc
)
896 len
+= append_extension(&str
, "GL_EXT_texture_compression_dxt1");
897 if (ctx
->Extensions
.EXT_blend_minmax
)
898 len
+= append_extension(&str
, "GL_EXT_blend_minmax");
899 if (ctx
->Extensions
.EXT_multi_draw_arrays
)
900 len
+= append_extension(&str
, "GL_EXT_multi_draw_arrays");
902 #if FEATURE_OES_EGL_image
903 if (ctx
->Extensions
.OES_EGL_image
)
904 len
+= append_extension(&str
, "GL_OES_EGL_image");
907 if (ctx
->Extensions
.EXT_texture_format_BGRA8888
)
908 len
+= append_extension(&str
, "GL_EXT_texture_format_BGRA8888");
914 compute_extensions_es2(struct gl_context
*ctx
)
919 len
= make_extension_string_es2(ctx
, NULL
);
923 make_extension_string_es2(ctx
, s
);
930 _mesa_make_extension_string(struct gl_context
*ctx
)
934 return compute_extensions(ctx
);
936 return compute_extensions_es2(ctx
);
938 return compute_extensions_es1(ctx
);
946 * Return number of enabled extensions.
949 _mesa_get_extension_count(struct gl_context
*ctx
)
953 /* only count once */
954 if (!ctx
->Extensions
.Count
) {
955 for (i
= 0; i
< Elements(default_extensions
); i
++) {
956 if (extension_enabled(ctx
, i
)) {
957 ctx
->Extensions
.Count
++;
963 _mesa_debug(ctx
, "%u of %d extensions enabled\n", ctx
->Extensions
.Count
,
964 (int) Elements(default_extensions
));
966 return ctx
->Extensions
.Count
;
971 * Return name of i-th enabled extension
974 _mesa_get_enabled_extension(struct gl_context
*ctx
, GLuint index
)
978 for (i
= 0; i
< Elements(default_extensions
); i
++) {
979 if (extension_enabled(ctx
, i
)) {
981 return (const GLubyte
*) default_extensions
[i
].name
;