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Merge branch 'mesa_7_7_branch'
[mesa.git] / src / mesa / drivers / dri / intel / intel_extensions.c
1 /**************************************************************************
2 *
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include "intel_chipset.h"
29 #include "intel_context.h"
30 #include "intel_extensions.h"
31 #include "utils.h"
32
33
34 #define need_GL_ARB_copy_buffer
35 #define need_GL_ARB_draw_elements_base_vertex
36 #define need_GL_ARB_framebuffer_object
37 #define need_GL_ARB_map_buffer_range
38 #define need_GL_ARB_occlusion_query
39 #define need_GL_ARB_point_parameters
40 #define need_GL_ARB_shader_objects
41 #define need_GL_ARB_sync
42 #define need_GL_ARB_vertex_array_object
43 #define need_GL_ARB_vertex_program
44 #define need_GL_ARB_vertex_shader
45 #define need_GL_ARB_window_pos
46 #define need_GL_EXT_blend_color
47 #define need_GL_EXT_blend_equation_separate
48 #define need_GL_EXT_blend_func_separate
49 #define need_GL_EXT_blend_minmax
50 #define need_GL_EXT_cull_vertex
51 #define need_GL_EXT_fog_coord
52 #define need_GL_EXT_framebuffer_object
53 #define need_GL_EXT_framebuffer_blit
54 #define need_GL_EXT_gpu_program_parameters
55 #define need_GL_EXT_point_parameters
56 #define need_GL_EXT_provoking_vertex
57 #define need_GL_EXT_secondary_color
58 #define need_GL_EXT_stencil_two_side
59 #define need_GL_APPLE_vertex_array_object
60 #define need_GL_ATI_separate_stencil
61 #define need_GL_ATI_envmap_bumpmap
62 #define need_GL_NV_point_sprite
63 #define need_GL_NV_vertex_program
64 #define need_GL_VERSION_2_0
65 #define need_GL_VERSION_2_1
66
67 #include "main/remap_helper.h"
68
69
70 /**
71 * Extension strings exported by the intel driver.
72 *
73 * Extensions supported by all chips supported by i830_dri, i915_dri, or
74 * i965_dri.
75 */
76 static const struct dri_extension card_extensions[] = {
77 { "GL_ARB_copy_buffer", GL_ARB_copy_buffer_functions },
78 { "GL_ARB_draw_elements_base_vertex", GL_ARB_draw_elements_base_vertex_functions },
79 { "GL_ARB_half_float_pixel", NULL },
80 { "GL_ARB_map_buffer_range", GL_ARB_map_buffer_range_functions },
81 { "GL_ARB_multitexture", NULL },
82 { "GL_ARB_pixel_buffer_object", NULL },
83 { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions },
84 { "GL_ARB_point_sprite", NULL },
85 { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions },
86 { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions },
87 { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions },
88 { "GL_ARB_sync", GL_ARB_sync_functions },
89 { "GL_ARB_texture_border_clamp", NULL },
90 { "GL_ARB_texture_cube_map", NULL },
91 { "GL_ARB_texture_env_add", NULL },
92 { "GL_ARB_texture_env_combine", NULL },
93 { "GL_ARB_texture_env_crossbar", NULL },
94 { "GL_ARB_texture_env_dot3", NULL },
95 { "GL_ARB_texture_mirrored_repeat", NULL },
96 { "GL_ARB_texture_rectangle", NULL },
97 { "GL_ARB_vertex_array_object", GL_ARB_vertex_array_object_functions},
98 { "GL_ARB_vertex_program", GL_ARB_vertex_program_functions },
99 { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions },
100 { "GL_ARB_window_pos", GL_ARB_window_pos_functions },
101 { "GL_EXT_blend_color", GL_EXT_blend_color_functions },
102 { "GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions },
103 { "GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions },
104 { "GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions },
105 { "GL_EXT_blend_logic_op", NULL },
106 { "GL_EXT_blend_subtract", NULL },
107 { "GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions },
108 { "GL_EXT_framebuffer_blit", GL_EXT_framebuffer_blit_functions },
109 { "GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions },
110 { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions },
111 { "GL_EXT_gpu_program_parameters", GL_EXT_gpu_program_parameters_functions },
112 { "GL_EXT_packed_depth_stencil", NULL },
113 { "GL_EXT_provoking_vertex", GL_EXT_provoking_vertex_functions },
114 { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions },
115 { "GL_EXT_stencil_wrap", NULL },
116 { "GL_EXT_texture_edge_clamp", NULL },
117 { "GL_EXT_texture_env_combine", NULL },
118 { "GL_EXT_texture_env_dot3", NULL },
119 { "GL_EXT_texture_filter_anisotropic", NULL },
120 { "GL_EXT_texture_lod_bias", NULL },
121 { "GL_3DFX_texture_compression_FXT1", NULL },
122 { "GL_APPLE_client_storage", NULL },
123 { "GL_APPLE_vertex_array_object", GL_APPLE_vertex_array_object_functions},
124 { "GL_MESA_pack_invert", NULL },
125 { "GL_MESA_ycbcr_texture", NULL },
126 { "GL_NV_blend_square", NULL },
127 { "GL_NV_vertex_program", GL_NV_vertex_program_functions },
128 { "GL_NV_vertex_program1_1", NULL },
129 { "GL_SGIS_generate_mipmap", NULL },
130 { NULL, NULL }
131 };
132
133
134 /** i915 / i945-only extensions */
135 static const struct dri_extension i915_extensions[] = {
136 { "GL_ARB_depth_texture", NULL },
137 { "GL_ARB_fragment_program", NULL },
138 { "GL_ARB_shadow", NULL },
139 { "GL_ARB_texture_non_power_of_two", NULL },
140 { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions },
141 { "GL_ATI_texture_env_combine3", NULL },
142 { "GL_EXT_shadow_funcs", NULL },
143 { "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions },
144 { "GL_NV_texture_env_combine4", NULL },
145 { NULL, NULL }
146 };
147
148
149 /** i965-only extensions */
150 static const struct dri_extension brw_extensions[] = {
151 { "GL_ARB_depth_clamp", NULL },
152 { "GL_ARB_depth_texture", NULL },
153 { "GL_ARB_fragment_program", NULL },
154 { "GL_ARB_fragment_program_shadow", NULL },
155 { "GL_ARB_fragment_shader", NULL },
156 { "GL_ARB_framebuffer_object", GL_ARB_framebuffer_object_functions},
157 { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions },
158 { "GL_ARB_point_sprite", NULL },
159 { "GL_ARB_seamless_cube_map", NULL },
160 { "GL_ARB_shadow", NULL },
161 { "GL_MESA_texture_signed_rgba", NULL },
162 { "GL_ARB_texture_non_power_of_two", NULL },
163 { "GL_EXT_shadow_funcs", NULL },
164 { "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions },
165 { "GL_EXT_texture_sRGB", NULL },
166 { "GL_EXT_texture_swizzle", NULL },
167 { "GL_EXT_vertex_array_bgra", NULL },
168 { "GL_ATI_envmap_bumpmap", GL_ATI_envmap_bumpmap_functions },
169 { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions },
170 { "GL_ATI_texture_env_combine3", NULL },
171 { "GL_NV_texture_env_combine4", NULL },
172 { NULL, NULL }
173 };
174
175
176 static const struct dri_extension arb_oq_extensions[] = {
177 { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions },
178 { NULL, NULL }
179 };
180
181 static const struct dri_extension fragment_shader_extensions[] = {
182 { "GL_ARB_fragment_shader", NULL },
183 { NULL, NULL }
184 };
185
186 /**
187 * Initializes potential list of extensions if ctx == NULL, or actually enables
188 * extensions for a context.
189 */
190 void
191 intelInitExtensions(GLcontext *ctx)
192 {
193 struct intel_context *intel = intel_context(ctx);
194
195 /* Disable imaging extension until convolution is working in teximage paths.
196 */
197 driInitExtensions(ctx, card_extensions, GL_FALSE);
198
199 if (IS_965(intel->intelScreen->deviceID))
200 driInitExtensions(ctx, brw_extensions, GL_FALSE);
201
202 if (IS_915(intel->intelScreen->deviceID)
203 || IS_945(intel->intelScreen->deviceID)) {
204 driInitExtensions(ctx, i915_extensions, GL_FALSE);
205
206 if (driQueryOptionb(&intel->optionCache, "fragment_shader"))
207 driInitExtensions(ctx, fragment_shader_extensions, GL_FALSE);
208
209 if (driQueryOptionb(&intel->optionCache, "stub_occlusion_query"))
210 driInitExtensions(ctx, arb_oq_extensions, GL_FALSE);
211 }
212 }