diff options
Diffstat (limited to 'mesalib/src/mesa/main/extensions.c')
| -rw-r--r-- | mesalib/src/mesa/main/extensions.c | 1976 |
1 files changed, 987 insertions, 989 deletions
diff --git a/mesalib/src/mesa/main/extensions.c b/mesalib/src/mesa/main/extensions.c index 080fa98df..81978b3c1 100644 --- a/mesalib/src/mesa/main/extensions.c +++ b/mesalib/src/mesa/main/extensions.c @@ -1,989 +1,987 @@ -/* - * Mesa 3-D graphics library - * Version: 7.6 - * - * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. - * Copyright (C) 2009 VMware, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -#include "glheader.h" -#include "imports.h" -#include "context.h" -#include "extensions.h" -#include "mtypes.h" - - -#define F(x) offsetof(struct gl_extensions, x) -#define ON GL_TRUE -#define OFF GL_FALSE - - -/* - * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions. - */ -static const struct { - GLboolean enabled; - const char *name; - int flag_offset; -} default_extensions[] = { - { OFF, "GL_ARB_blend_func_extended", F(ARB_blend_func_extended) }, - { OFF, "GL_ARB_copy_buffer", F(ARB_copy_buffer) }, - { OFF, "GL_ARB_depth_buffer_float", F(ARB_depth_buffer_float) }, - { OFF, "GL_ARB_depth_clamp", F(ARB_depth_clamp) }, - { OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) }, - { ON, "GL_ARB_draw_buffers", F(ARB_draw_buffers) }, - { OFF, "GL_ARB_draw_elements_base_vertex", F(ARB_draw_elements_base_vertex) }, - { OFF, "GL_ARB_draw_instanced", F(ARB_draw_instanced) }, - { OFF, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions) }, - { OFF, "GL_ARB_fragment_program", F(ARB_fragment_program) }, - { OFF, "GL_ARB_fragment_program_shadow", F(ARB_fragment_program_shadow) }, - { OFF, "GL_ARB_fragment_shader", F(ARB_fragment_shader) }, - { OFF, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object) }, - { OFF, "GL_ARB_explicit_attrib_location", F(ARB_explicit_attrib_location) }, - /* TODO: reenable this when the new GLSL compiler actually supports them */ - /* { OFF, "GL_ARB_geometry_shader4", F(ARB_geometry_shader4) }, */ - { OFF, "GL_ARB_half_float_pixel", F(ARB_half_float_pixel) }, - { OFF, "GL_ARB_half_float_vertex", F(ARB_half_float_vertex) }, - { OFF, "GL_ARB_imaging", F(ARB_imaging) }, - { OFF, "GL_ARB_instanced_arrays", F(ARB_instanced_arrays) }, - { OFF, "GL_ARB_map_buffer_range", F(ARB_map_buffer_range) }, - { ON, "GL_ARB_multisample", F(ARB_multisample) }, - { OFF, "GL_ARB_multitexture", F(ARB_multitexture) }, - { OFF, "GL_ARB_occlusion_query", F(ARB_occlusion_query) }, - { OFF, "GL_ARB_occlusion_query2", F(ARB_occlusion_query2) }, - { OFF, "GL_ARB_pixel_buffer_object", F(EXT_pixel_buffer_object) }, - { OFF, "GL_ARB_point_parameters", F(EXT_point_parameters) }, - { OFF, "GL_ARB_point_sprite", F(ARB_point_sprite) }, - { OFF, "GL_ARB_provoking_vertex", F(EXT_provoking_vertex) }, - { OFF, "GL_ARB_sampler_objects", F(ARB_sampler_objects) }, - { OFF, "GL_ARB_seamless_cube_map", F(ARB_seamless_cube_map) }, - { OFF, "GL_ARB_shader_objects", F(ARB_shader_objects) }, - { OFF, "GL_ARB_shading_language_100", F(ARB_shading_language_100) }, - { OFF, "GL_ARB_shadow", F(ARB_shadow) }, - { OFF, "GL_ARB_shadow_ambient", F(ARB_shadow_ambient) }, - { OFF, "GL_ARB_sync", F(ARB_sync) }, - { OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) }, - { OFF, "GL_ARB_texture_buffer_object", F(ARB_texture_buffer_object) }, - { ON, "GL_ARB_texture_compression", F(ARB_texture_compression) }, - { OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) }, - { OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) }, - { OFF, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine) }, - { OFF, "GL_ARB_texture_env_crossbar", F(ARB_texture_env_crossbar) }, - { OFF, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3) }, - { OFF, "GL_MESAX_texture_float", F(ARB_texture_float) }, - { OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)}, - { OFF, "GL_ARB_texture_multisample", F(ARB_texture_multisample) }, - { OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)}, - { OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) }, - { OFF, "GL_ARB_texture_rg", F(ARB_texture_rg) }, - { OFF, "GL_ARB_texture_rgb10_a2ui", F(ARB_texture_rgb10_a2ui) }, - { OFF, "GL_ARB_texture_swizzle", F(EXT_texture_swizzle) }, - { ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) }, - { OFF, "GL_ARB_transform_feedback2", F(ARB_transform_feedback2) }, - { OFF, "GL_ARB_uniform_buffer_object", F(ARB_uniform_buffer_object) }, - { OFF, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra) }, - { OFF, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object) }, - { ON, "GL_ARB_vertex_buffer_object", F(ARB_vertex_buffer_object) }, - { OFF, "GL_ARB_vertex_program", F(ARB_vertex_program) }, - { OFF, "GL_ARB_vertex_shader", F(ARB_vertex_shader) }, - { OFF, "GL_ARB_vertex_type_2_10_10_10_rev", F(ARB_vertex_type_2_10_10_10_rev) }, - { ON, "GL_ARB_window_pos", F(ARB_window_pos) }, - { ON, "GL_EXT_abgr", F(EXT_abgr) }, - { ON, "GL_EXT_bgra", F(EXT_bgra) }, - { OFF, "GL_EXT_blend_color", F(EXT_blend_color) }, - { OFF, "GL_EXT_blend_equation_separate", F(EXT_blend_equation_separate) }, - { OFF, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) }, - { OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) }, - { OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) }, - { OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) }, - { OFF, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) }, - { OFF, "GL_EXT_cull_vertex", F(EXT_cull_vertex) }, - { ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) }, - { OFF, "GL_EXT_convolution", F(EXT_convolution) }, - { ON, "GL_EXT_copy_texture", F(EXT_copy_texture) }, - { OFF, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test) }, - { OFF, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2) }, - { OFF, "GL_EXT_draw_instanced", F(ARB_draw_instanced) }, - { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) }, - { OFF, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit) }, - { OFF, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample) }, - { OFF, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object) }, - { OFF, "GL_EXT_framebuffer_sRGB", F(EXT_framebuffer_sRGB) }, - { OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) }, - { OFF, "GL_EXT_gpu_program_parameters", F(EXT_gpu_program_parameters) }, - { OFF, "GL_EXT_histogram", F(EXT_histogram) }, - { ON, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays) }, - { OFF, "GL_EXT_packed_depth_stencil", F(EXT_packed_depth_stencil) }, - { OFF, "GL_EXT_packed_float", F(EXT_packed_float) }, - { ON, "GL_EXT_packed_pixels", F(EXT_packed_pixels) }, - { OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) }, - { OFF, "GL_EXT_pixel_buffer_object", F(EXT_pixel_buffer_object) }, - { OFF, "GL_EXT_point_parameters", F(EXT_point_parameters) }, - { ON, "GL_EXT_polygon_offset", F(EXT_polygon_offset) }, - { OFF, "GL_EXT_provoking_vertex", F(EXT_provoking_vertex) }, - { ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) }, - { OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) }, - { ON, "GL_EXT_separate_specular_color", F(EXT_separate_specular_color) }, - { OFF, "GL_EXT_shadow_funcs", F(EXT_shadow_funcs) }, - { OFF, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) }, - { OFF, "GL_EXT_stencil_two_side", F(EXT_stencil_two_side) }, - { OFF, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) }, - { ON, "GL_EXT_subtexture", F(EXT_subtexture) }, - { ON, "GL_EXT_texture", F(EXT_texture) }, - { ON, "GL_EXT_texture3D", F(EXT_texture3D) }, - { OFF, "GL_EXT_texture_array", F(EXT_texture_array) }, - { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) }, - { OFF, "GL_EXT_texture_compression_rgtc", F(EXT_texture_compression_rgtc) }, - { OFF, "GL_EXT_texture_cube_map", F(ARB_texture_cube_map) }, - { ON, "GL_EXT_texture_edge_clamp", F(SGIS_texture_edge_clamp) }, - { OFF, "GL_EXT_texture_env_add", F(EXT_texture_env_add) }, - { OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) }, - { OFF, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3) }, - { OFF, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic) }, - { OFF, "GL_EXT_texture_integer", F(EXT_texture_integer) }, - { OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) }, - { OFF, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp) }, - { ON, "GL_EXT_texture_object", F(EXT_texture_object) }, - { OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) }, - { OFF, "GL_EXT_texture_shared_exponent", F(EXT_texture_shared_exponent) }, - { OFF, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB) }, - { OFF, "GL_EXT_texture_swizzle", F(EXT_texture_swizzle) }, - { OFF, "GL_EXT_timer_query", F(EXT_timer_query) }, - { OFF, "GL_EXT_transform_feedback", F(EXT_transform_feedback) }, - { ON, "GL_EXT_vertex_array", F(EXT_vertex_array) }, - { OFF, "GL_EXT_vertex_array_bgra", F(EXT_vertex_array_bgra) }, - { OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) }, - { OFF, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1) }, - { OFF, "GL_APPLE_client_storage", F(APPLE_client_storage) }, - { ON, "GL_APPLE_packed_pixels", F(APPLE_packed_pixels) }, - { OFF, "GL_APPLE_vertex_array_object", F(APPLE_vertex_array_object) }, - { OFF, "GL_APPLE_object_purgeable", F(APPLE_object_purgeable) }, - { OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) }, - { OFF, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap) }, - { OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)}, - { OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)}, - { OFF, "GL_ATI_fragment_shader", F(ATI_fragment_shader)}, - { OFF, "GL_ATI_separate_stencil", F(ATI_separate_stencil)}, - { ON, "GL_IBM_multimode_draw_arrays", F(IBM_multimode_draw_arrays) }, - { ON, "GL_IBM_rasterpos_clip", F(IBM_rasterpos_clip) }, - { OFF, "GL_IBM_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)}, - { OFF, "GL_INGR_blend_func_separate", F(EXT_blend_func_separate) }, - { OFF, "GL_MESA_pack_invert", F(MESA_pack_invert) }, - { OFF, "GL_MESA_packed_depth_stencil", F(MESA_packed_depth_stencil) }, - { OFF, "GL_MESA_resize_buffers", F(MESA_resize_buffers) }, - { OFF, "GL_MESA_texture_array", F(MESA_texture_array) }, - { OFF, "GL_MESA_texture_signed_rgba", F(MESA_texture_signed_rgba) }, - { OFF, "GL_MESA_ycbcr_texture", F(MESA_ycbcr_texture) }, - { ON, "GL_MESA_window_pos", F(ARB_window_pos) }, - { OFF, "GL_NV_blend_square", F(NV_blend_square) }, - { OFF, "GL_NV_conditional_render", F(NV_conditional_render) }, - { OFF, "GL_NV_depth_clamp", F(ARB_depth_clamp) }, - { OFF, "GL_NV_fragment_program", F(NV_fragment_program) }, - { OFF, "GL_NV_fragment_program_option", F(NV_fragment_program_option) }, - { ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) }, - { OFF, "GL_NV_packed_depth_stencil", F(EXT_packed_depth_stencil) }, - { OFF, "GL_NV_point_sprite", F(NV_point_sprite) }, - { OFF, "GL_NV_primitive_restart", F(NV_primitive_restart) }, - { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) }, - { OFF, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4) }, - { OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) }, - { OFF, "GL_NV_vertex_program", F(NV_vertex_program) }, - { OFF, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1) }, - { ON, "GL_OES_read_format", F(OES_read_format) }, - { OFF, "GL_SGI_color_matrix", F(SGI_color_matrix) }, - { OFF, "GL_SGI_color_table", F(SGI_color_table) }, - { OFF, "GL_SGI_texture_color_table", F(SGI_texture_color_table) }, - { OFF, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap) }, - { OFF, "GL_SGIS_texture_border_clamp", F(ARB_texture_border_clamp) }, - { ON, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) }, - { ON, "GL_SGIS_texture_lod", F(SGIS_texture_lod) }, - { ON, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays) }, - { OFF, "GL_S3_s3tc", F(S3_s3tc) }, -#if FEATURE_OES_EGL_image - { OFF, "GL_OES_EGL_image", F(OES_EGL_image) }, -#endif -#if FEATURE_OES_draw_texture - { OFF, "GL_OES_draw_texture", F(OES_draw_texture) }, -#endif /* FEATURE_OES_draw_texture */ -}; - - - -/** - * Enable all extensions suitable for a software-only renderer. - * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc. - */ -void -_mesa_enable_sw_extensions(GLcontext *ctx) -{ - ctx->Extensions.ARB_copy_buffer = GL_TRUE; - ctx->Extensions.ARB_depth_clamp = GL_TRUE; - ctx->Extensions.ARB_depth_texture = GL_TRUE; - /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/ - ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE; - ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE; -#if FEATURE_ARB_fragment_program - ctx->Extensions.ARB_fragment_program = GL_TRUE; - ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE; -#endif -#if FEATURE_ARB_fragment_shader - ctx->Extensions.ARB_fragment_shader = GL_TRUE; -#endif -#if FEATURE_ARB_framebuffer_object - ctx->Extensions.ARB_framebuffer_object = GL_TRUE; -#endif -#if FEATURE_ARB_geometry_shader4 - ctx->Extensions.ARB_geometry_shader4 = GL_TRUE; -#endif - ctx->Extensions.ARB_half_float_pixel = GL_TRUE; - ctx->Extensions.ARB_half_float_vertex = GL_TRUE; - ctx->Extensions.ARB_imaging = GL_TRUE; - ctx->Extensions.ARB_map_buffer_range = GL_TRUE; - ctx->Extensions.ARB_multitexture = GL_TRUE; -#if FEATURE_queryobj - ctx->Extensions.ARB_occlusion_query = GL_TRUE; -#endif - ctx->Extensions.ARB_point_sprite = GL_TRUE; -#if FEATURE_ARB_shader_objects - ctx->Extensions.ARB_shader_objects = GL_TRUE; -#endif -#if FEATURE_ARB_shading_language_100 - ctx->Extensions.ARB_shading_language_100 = GL_TRUE; -#endif - ctx->Extensions.ARB_shadow = GL_TRUE; - ctx->Extensions.ARB_shadow_ambient = GL_TRUE; - ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; - ctx->Extensions.ARB_texture_cube_map = GL_TRUE; - ctx->Extensions.ARB_texture_env_combine = GL_TRUE; - ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; - ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; - /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/ - ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; - ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; - ctx->Extensions.ARB_vertex_array_object = GL_TRUE; -#if FEATURE_ARB_vertex_program - ctx->Extensions.ARB_vertex_program = GL_TRUE; -#endif -#if FEATURE_ARB_vertex_shader - ctx->Extensions.ARB_vertex_shader = GL_TRUE; -#endif -#if FEATURE_ARB_vertex_buffer_object - /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/ -#endif -#if FEATURE_ARB_sync - ctx->Extensions.ARB_sync = GL_TRUE; -#endif - ctx->Extensions.APPLE_vertex_array_object = GL_TRUE; -#if FEATURE_APPLE_object_purgeable - ctx->Extensions.APPLE_object_purgeable = GL_TRUE; -#endif - ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE; -#if FEATURE_ATI_fragment_shader - ctx->Extensions.ATI_fragment_shader = GL_TRUE; -#endif - ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE; - ctx->Extensions.ATI_texture_mirror_once = GL_TRUE; - ctx->Extensions.ATI_separate_stencil = GL_TRUE; - ctx->Extensions.EXT_blend_color = GL_TRUE; - ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; - ctx->Extensions.EXT_blend_func_separate = GL_TRUE; - ctx->Extensions.EXT_blend_logic_op = GL_TRUE; - ctx->Extensions.EXT_blend_minmax = GL_TRUE; - ctx->Extensions.EXT_blend_subtract = GL_TRUE; - ctx->Extensions.EXT_convolution = GL_TRUE; - ctx->Extensions.EXT_depth_bounds_test = GL_TRUE; - ctx->Extensions.EXT_draw_buffers2 = GL_TRUE; - ctx->Extensions.EXT_fog_coord = GL_TRUE; -#if FEATURE_EXT_framebuffer_object - ctx->Extensions.EXT_framebuffer_object = GL_TRUE; -#endif -#if FEATURE_EXT_framebuffer_blit - ctx->Extensions.EXT_framebuffer_blit = GL_TRUE; -#endif -#if FEATURE_ARB_framebuffer_object - ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE; -#endif - ctx->Extensions.EXT_histogram = GL_TRUE; - /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/ - ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE; - ctx->Extensions.EXT_paletted_texture = GL_TRUE; -#if FEATURE_EXT_pixel_buffer_object - ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; -#endif - ctx->Extensions.EXT_point_parameters = GL_TRUE; - ctx->Extensions.EXT_provoking_vertex = GL_TRUE; - ctx->Extensions.EXT_shadow_funcs = GL_TRUE; - ctx->Extensions.EXT_secondary_color = GL_TRUE; - ctx->Extensions.EXT_shared_texture_palette = GL_TRUE; - ctx->Extensions.EXT_stencil_wrap = GL_TRUE; - ctx->Extensions.EXT_stencil_two_side = GL_TRUE; - ctx->Extensions.EXT_texture_array = GL_TRUE; - ctx->Extensions.EXT_texture_env_add = GL_TRUE; - ctx->Extensions.EXT_texture_env_combine = GL_TRUE; - ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; - ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE; - ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; -#if FEATURE_EXT_texture_sRGB - ctx->Extensions.EXT_texture_sRGB = GL_TRUE; -#endif - ctx->Extensions.EXT_texture_swizzle = GL_TRUE; -#if FEATURE_EXT_transform_feedback - /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/ -#endif - ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE; - /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/ - ctx->Extensions.MESA_pack_invert = GL_TRUE; - ctx->Extensions.MESA_resize_buffers = GL_TRUE; - ctx->Extensions.MESA_texture_array = GL_TRUE; - ctx->Extensions.MESA_ycbcr_texture = GL_TRUE; - ctx->Extensions.NV_blend_square = GL_TRUE; - ctx->Extensions.NV_conditional_render = GL_TRUE; - /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/ - ctx->Extensions.NV_point_sprite = GL_TRUE; - ctx->Extensions.NV_texture_env_combine4 = GL_TRUE; - ctx->Extensions.NV_texture_rectangle = GL_TRUE; - /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/ -#if FEATURE_NV_vertex_program - ctx->Extensions.NV_vertex_program = GL_TRUE; - ctx->Extensions.NV_vertex_program1_1 = GL_TRUE; -#endif -#if FEATURE_NV_fragment_program - ctx->Extensions.NV_fragment_program = GL_TRUE; -#endif -#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program - ctx->Extensions.NV_fragment_program_option = GL_TRUE; -#endif - ctx->Extensions.SGI_color_matrix = GL_TRUE; - ctx->Extensions.SGI_color_table = GL_TRUE; - ctx->Extensions.SGI_texture_color_table = GL_TRUE; - ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; - ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE; -#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program - ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE; -#endif -#if FEATURE_texture_fxt1 - _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1"); -#endif -#if FEATURE_texture_s3tc - if (ctx->Mesa_DXTn) { - _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); - _mesa_enable_extension(ctx, "GL_S3_s3tc"); - } -#endif -} - - -/** - * Enable GL_ARB_imaging and all the EXT extensions that are subsets of it. - */ -void -_mesa_enable_imaging_extensions(GLcontext *ctx) -{ - ctx->Extensions.ARB_imaging = GL_TRUE; - ctx->Extensions.EXT_blend_color = GL_TRUE; - ctx->Extensions.EXT_blend_logic_op = GL_TRUE; - ctx->Extensions.EXT_blend_minmax = GL_TRUE; - ctx->Extensions.EXT_blend_subtract = GL_TRUE; - ctx->Extensions.EXT_convolution = GL_TRUE; - ctx->Extensions.EXT_histogram = GL_TRUE; - ctx->Extensions.SGI_color_matrix = GL_TRUE; - ctx->Extensions.SGI_color_table = GL_TRUE; -} - - - -/** - * Enable all OpenGL 1.3 features and extensions. - * A convenience function to be called by drivers. - */ -void -_mesa_enable_1_3_extensions(GLcontext *ctx) -{ - /*ctx->Extensions.ARB_multisample = GL_TRUE;*/ - ctx->Extensions.ARB_multitexture = GL_TRUE; - ctx->Extensions.ARB_texture_border_clamp = GL_TRUE; - /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/ - ctx->Extensions.ARB_texture_cube_map = GL_TRUE; - ctx->Extensions.ARB_texture_env_combine = GL_TRUE; - ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE; - ctx->Extensions.EXT_texture_env_add = GL_TRUE; - /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/ -} - - - -/** - * Enable all OpenGL 1.4 features and extensions. - * A convenience function to be called by drivers. - */ -void -_mesa_enable_1_4_extensions(GLcontext *ctx) -{ - ctx->Extensions.ARB_depth_texture = GL_TRUE; - ctx->Extensions.ARB_shadow = GL_TRUE; - ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE; - ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE; - ctx->Extensions.ARB_window_pos = GL_TRUE; - ctx->Extensions.EXT_blend_color = GL_TRUE; - ctx->Extensions.EXT_blend_func_separate = GL_TRUE; - ctx->Extensions.EXT_blend_minmax = GL_TRUE; - ctx->Extensions.EXT_blend_subtract = GL_TRUE; - ctx->Extensions.EXT_fog_coord = GL_TRUE; - /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/ - ctx->Extensions.EXT_point_parameters = GL_TRUE; - ctx->Extensions.EXT_secondary_color = GL_TRUE; - ctx->Extensions.EXT_stencil_wrap = GL_TRUE; - ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; - ctx->Extensions.SGIS_generate_mipmap = GL_TRUE; -} - - -/** - * Enable all OpenGL 1.5 features and extensions. - * A convenience function to be called by drivers. - */ -void -_mesa_enable_1_5_extensions(GLcontext *ctx) -{ - ctx->Extensions.ARB_occlusion_query = GL_TRUE; - /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/ - ctx->Extensions.EXT_shadow_funcs = GL_TRUE; -} - - -/** - * Enable all OpenGL 2.0 features and extensions. - * A convenience function to be called by drivers. - */ -void -_mesa_enable_2_0_extensions(GLcontext *ctx) -{ - /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/ -#if FEATURE_ARB_fragment_shader - ctx->Extensions.ARB_fragment_shader = GL_TRUE; -#endif - ctx->Extensions.ARB_point_sprite = GL_TRUE; - ctx->Extensions.EXT_blend_equation_separate = GL_TRUE; - ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE; -#if FEATURE_ARB_shader_objects - ctx->Extensions.ARB_shader_objects = GL_TRUE; -#endif -#if FEATURE_ARB_shading_language_100 - ctx->Extensions.ARB_shading_language_100 = GL_TRUE; -#endif - ctx->Extensions.EXT_stencil_two_side = GL_TRUE; -#if FEATURE_ARB_vertex_shader - ctx->Extensions.ARB_vertex_shader = GL_TRUE; -#endif -} - - -/** - * Enable all OpenGL 2.1 features and extensions. - * A convenience function to be called by drivers. - */ -void -_mesa_enable_2_1_extensions(GLcontext *ctx) -{ -#if FEATURE_EXT_pixel_buffer_object - ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE; -#endif -#if FEATURE_EXT_texture_sRGB - ctx->Extensions.EXT_texture_sRGB = GL_TRUE; -#endif -} - - -/** - * Either enable or disable the named extension. - * \return GL_TRUE for success, GL_FALSE if invalid extension name - */ -static GLboolean -set_extension( GLcontext *ctx, const char *name, GLboolean state ) -{ - GLboolean *base = (GLboolean *) &ctx->Extensions; - GLuint i; - - if (ctx->Extensions.String) { - /* The string was already queried - can't change it now! */ - _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name); - return GL_FALSE; - } - - for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (strcmp(default_extensions[i].name, name) == 0) { - if (default_extensions[i].flag_offset) { - GLboolean *enabled = base + default_extensions[i].flag_offset; - *enabled = state; - } - return GL_TRUE; - } - } - return GL_FALSE; -} - - -/** - * Enable the named extension. - * Typically called by drivers. - */ -void -_mesa_enable_extension( GLcontext *ctx, const char *name ) -{ - if (!set_extension(ctx, name, GL_TRUE)) - _mesa_problem(ctx, "Trying to enable unknown extension: %s", name); -} - - -/** - * Disable the named extension. - * XXX is this really needed??? - */ -void -_mesa_disable_extension( GLcontext *ctx, const char *name ) -{ - if (!set_extension(ctx, name, GL_FALSE)) - _mesa_problem(ctx, "Trying to disable unknown extension: %s", name); -} - - -/** - * Check if the i-th extension is enabled. - */ -static GLboolean -extension_enabled(GLcontext *ctx, GLuint index) -{ - const GLboolean *base = (const GLboolean *) &ctx->Extensions; - if (!default_extensions[index].flag_offset || - *(base + default_extensions[index].flag_offset)) { - return GL_TRUE; - } - else { - return GL_FALSE; - } -} - - -/** - * Test if the named extension is enabled in this context. - */ -GLboolean -_mesa_extension_is_enabled( GLcontext *ctx, const char *name ) -{ - GLuint i; - - for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (strcmp(default_extensions[i].name, name) == 0) { - return extension_enabled(ctx, i); - } - } - return GL_FALSE; -} - - -/** - * Append string 'b' onto string 'a'. Free 'a' and return new string. - */ -static char * -append(const char *a, const char *b) -{ - const GLuint aLen = a ? strlen(a) : 0; - const GLuint bLen = b ? strlen(b) : 0; - char *s = calloc(1, aLen + bLen + 1); - if (s) { - if (a) - memcpy(s, a, aLen); - if (b) - memcpy(s + aLen, b, bLen); - s[aLen + bLen] = '\0'; - } - if (a) - free((void *) a); - return s; -} - - -/** - * Check the MESA_EXTENSION_OVERRIDE env var. - * For extension names that are recognized, turn them on. For extension - * names that are recognized and prefixed with '-', turn them off. - * Return a string of the unknown/leftover names. - */ -static const char * -get_extension_override( GLcontext *ctx ) -{ - const char *envExt = _mesa_getenv("MESA_EXTENSION_OVERRIDE"); - char *extraExt = NULL; - char ext[1000]; - GLuint extLen = 0; - GLuint i; - GLboolean disableExt = GL_FALSE; - - if (!envExt) - return NULL; - - for (i = 0; ; i++) { - if (envExt[i] == '\0' || envExt[i] == ' ') { - /* terminate/process 'ext' if extLen > 0 */ - if (extLen > 0) { - assert(extLen < sizeof(ext)); - /* enable extension named by 'ext' */ - ext[extLen] = 0; - if (!set_extension(ctx, ext, !disableExt)) { - /* unknown extension name, append it to extraExt */ - if (extraExt) { - extraExt = append(extraExt, " "); - } - extraExt = append(extraExt, ext); - } - extLen = 0; - disableExt = GL_FALSE; - } - if (envExt[i] == '\0') - break; - } - else if (envExt[i] == '-') { - disableExt = GL_TRUE; - } - else { - /* accumulate this non-space character */ - ext[extLen++] = envExt[i]; - } - } - - return extraExt; -} - - -/** - * Run through the default_extensions array above and set the - * ctx->Extensions.ARB/EXT_* flags accordingly. - * To be called during context initialization. - */ -void -_mesa_init_extensions( GLcontext *ctx ) -{ - GLboolean *base = (GLboolean *) &ctx->Extensions; - GLuint i; - - for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (default_extensions[i].enabled && - default_extensions[i].flag_offset) { - *(base + default_extensions[i].flag_offset) = GL_TRUE; - } - } -} - - -/** - * Construct the GL_EXTENSIONS string. Called the first time that - * glGetString(GL_EXTENSIONS) is called. - */ -static GLubyte * -compute_extensions( GLcontext *ctx ) -{ - const char *extraExt = get_extension_override(ctx); - GLuint extStrLen = 0; - char *s; - GLuint i; - - /* first, compute length of the extension string */ - for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (extension_enabled(ctx, i)) { - extStrLen += (GLuint) strlen(default_extensions[i].name) + 1; - } - } - - if (extraExt) - extStrLen += strlen(extraExt) + 1; /* +1 for space */ - - /* allocate the extension string */ - s = (char *) malloc(extStrLen); - if (!s) - return NULL; - - /* second, build the extension string */ - extStrLen = 0; - for (i = 0 ; i < Elements(default_extensions) ; i++) { - if (extension_enabled(ctx, i)) { - GLuint len = (GLuint) strlen(default_extensions[i].name); - memcpy(s + extStrLen, default_extensions[i].name, len); - extStrLen += len; - s[extStrLen] = ' '; - extStrLen++; - } - } - ASSERT(extStrLen > 0); - - s[extStrLen - 1] = 0; /* -1 to overwrite trailing the ' ' */ - - if (extraExt) { - s = append(s, " "); - s = append(s, extraExt); - } - - return (GLubyte *) s; -} - -static size_t -append_extension(GLubyte **str, const char *ext) -{ - GLubyte *s = *str; - size_t len = strlen(ext); - - if (s) { - memcpy(s, ext, len); - s[len++] = ' '; - s[len] = '\0'; - - *str += len; - } - else { - len++; - } - - return len; -} - - -static size_t -make_extension_string_es1(const GLcontext *ctx, GLubyte *str) -{ - size_t len = 0; - - /* Core additions */ - len += append_extension(&str, "GL_OES_byte_coordinates"); - len += append_extension(&str, "GL_OES_fixed_point"); - len += append_extension(&str, "GL_OES_single_precision"); - len += append_extension(&str, "GL_OES_matrix_get"); - - /* 1.1 required extensions */ - len += append_extension(&str, "GL_OES_read_format"); - len += append_extension(&str, "GL_OES_compressed_paletted_texture"); - len += append_extension(&str, "GL_OES_point_size_array"); - len += append_extension(&str, "GL_OES_point_sprite"); - - /* 1.1 deprecated extensions */ - len += append_extension(&str, "GL_OES_query_matrix"); - -#if FEATURE_OES_draw_texture - if (ctx->Extensions.OES_draw_texture) - len += append_extension(&str, "GL_OES_draw_texture"); -#endif - - if (ctx->Extensions.EXT_blend_equation_separate) - len += append_extension(&str, "GL_OES_blend_equation_separate"); - if (ctx->Extensions.EXT_blend_func_separate) - len += append_extension(&str, "GL_OES_blend_func_separate"); - if (ctx->Extensions.EXT_blend_subtract) - len += append_extension(&str, "GL_OES_blend_subtract"); - - if (ctx->Extensions.EXT_stencil_wrap) - len += append_extension(&str, "GL_OES_stencil_wrap"); - - if (ctx->Extensions.ARB_texture_cube_map) - len += append_extension(&str, "GL_OES_texture_cube_map"); - if (ctx->Extensions.ARB_texture_env_crossbar) - len += append_extension(&str, "GL_OES_texture_env_crossbar"); - if (ctx->Extensions.ARB_texture_mirrored_repeat) - len += append_extension(&str, "GL_OES_texture_mirrored_repeat"); - - if (ctx->Extensions.ARB_framebuffer_object) { - len += append_extension(&str, "GL_OES_framebuffer_object"); - len += append_extension(&str, "GL_OES_depth24"); - len += append_extension(&str, "GL_OES_depth32"); - len += append_extension(&str, "GL_OES_fbo_render_mipmap"); - len += append_extension(&str, "GL_OES_rgb8_rgba8"); - len += append_extension(&str, "GL_OES_stencil1"); - len += append_extension(&str, "GL_OES_stencil4"); - len += append_extension(&str, "GL_OES_stencil8"); - } - - if (ctx->Extensions.EXT_vertex_array) - len += append_extension(&str, "GL_OES_element_index_uint"); - if (ctx->Extensions.ARB_vertex_buffer_object) - len += append_extension(&str, "GL_OES_mapbuffer"); - if (ctx->Extensions.EXT_texture_filter_anisotropic) - len += append_extension(&str, "GL_EXT_texture_filter_anisotropic"); - - /* some applications check this for NPOT support */ - if (ctx->Extensions.ARB_texture_non_power_of_two) - len += append_extension(&str, "GL_ARB_texture_non_power_of_two"); - - if (ctx->Extensions.EXT_texture_compression_s3tc) - len += append_extension(&str, "GL_EXT_texture_compression_dxt1"); - if (ctx->Extensions.EXT_texture_lod_bias) - len += append_extension(&str, "GL_EXT_texture_lod_bias"); - if (ctx->Extensions.EXT_blend_minmax) - len += append_extension(&str, "GL_EXT_blend_minmax"); - if (ctx->Extensions.EXT_multi_draw_arrays) - len += append_extension(&str, "GL_EXT_multi_draw_arrays"); - -#if FEATURE_OES_EGL_image - if (ctx->Extensions.OES_EGL_image) - len += append_extension(&str, "GL_OES_EGL_image"); -#endif - - return len; -} - - -static GLubyte * -compute_extensions_es1(const GLcontext *ctx) -{ - GLubyte *s; - unsigned int len; - - len = make_extension_string_es1(ctx, NULL); - s = malloc(len + 1); - if (!s) - return NULL; - make_extension_string_es1(ctx, s); - - return s; -} - -static size_t -make_extension_string_es2(const GLcontext *ctx, GLubyte *str) -{ - size_t len = 0; - - len += append_extension(&str, "GL_OES_compressed_paletted_texture"); - - if (ctx->Extensions.ARB_framebuffer_object) { - len += append_extension(&str, "GL_OES_depth24"); - len += append_extension(&str, "GL_OES_depth32"); - len += append_extension(&str, "GL_OES_fbo_render_mipmap"); - len += append_extension(&str, "GL_OES_rgb8_rgba8"); - len += append_extension(&str, "GL_OES_stencil1"); - len += append_extension(&str, "GL_OES_stencil4"); - } - - if (ctx->Extensions.EXT_vertex_array) - len += append_extension(&str, "GL_OES_element_index_uint"); - if (ctx->Extensions.ARB_vertex_buffer_object) - len += append_extension(&str, "GL_OES_mapbuffer"); - - if (ctx->Extensions.EXT_texture3D) - len += append_extension(&str, "GL_OES_texture_3D"); - if (ctx->Extensions.ARB_texture_non_power_of_two) - len += append_extension(&str, "GL_OES_texture_npot"); - if (ctx->Extensions.EXT_texture_filter_anisotropic) - len += append_extension(&str, "GL_EXT_texture_filter_anisotropic"); - - len += append_extension(&str, "GL_EXT_texture_type_2_10_10_10_REV"); - if (ctx->Extensions.ARB_depth_texture) - len += append_extension(&str, "GL_OES_depth_texture"); - if (ctx->Extensions.EXT_packed_depth_stencil) - len += append_extension(&str, "GL_OES_packed_depth_stencil"); - if (ctx->Extensions.ARB_fragment_shader) - len += append_extension(&str, "GL_OES_standard_derivatives"); - - if (ctx->Extensions.EXT_texture_compression_s3tc) - len += append_extension(&str, "GL_EXT_texture_compression_dxt1"); - if (ctx->Extensions.EXT_blend_minmax) - len += append_extension(&str, "GL_EXT_blend_minmax"); - if (ctx->Extensions.EXT_multi_draw_arrays) - len += append_extension(&str, "GL_EXT_multi_draw_arrays"); - -#if FEATURE_OES_EGL_image - if (ctx->Extensions.OES_EGL_image) - len += append_extension(&str, "GL_OES_EGL_image"); -#endif - - return len; -} - -static GLubyte * -compute_extensions_es2(GLcontext *ctx) -{ - GLubyte *s; - unsigned int len; - - len = make_extension_string_es2(ctx, NULL); - s = malloc(len + 1); - if (!s) - return NULL; - make_extension_string_es2(ctx, s); - - return s; -} - - -GLubyte * -_mesa_make_extension_string(GLcontext *ctx) -{ - switch (ctx->API) { - case API_OPENGL: - return compute_extensions(ctx); - case API_OPENGLES2: - return compute_extensions_es2(ctx); - case API_OPENGLES: - return compute_extensions_es1(ctx); - default: - assert(0); - return NULL; - } -} - -/** - * Return number of enabled extensions. - */ -GLuint -_mesa_get_extension_count(GLcontext *ctx) -{ - GLuint i; - - /* only count once */ - if (!ctx->Extensions.Count) { - for (i = 0; i < Elements(default_extensions); i++) { - if (extension_enabled(ctx, i)) { - ctx->Extensions.Count++; - } - } - } - - if (0) - _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count, - (int) Elements(default_extensions)); - - return ctx->Extensions.Count; -} - - -/** - * Return name of i-th enabled extension - */ -const GLubyte * -_mesa_get_enabled_extension(GLcontext *ctx, GLuint index) -{ - GLuint i; - - for (i = 0; i < Elements(default_extensions); i++) { - if (extension_enabled(ctx, i)) { - if (index == 0) - return (const GLubyte *) default_extensions[i].name; - index--; - } - } - - return NULL; -} +/*
+ * Mesa 3-D graphics library
+ * Version: 7.6
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "extensions.h"
+#include "mtypes.h"
+
+
+#define F(x) offsetof(struct gl_extensions, x)
+#define ON GL_TRUE
+#define OFF GL_FALSE
+
+
+/*
+ * Note: The GL_MESAX_* extensions are placeholders for future ARB extensions.
+ */
+static const struct {
+ GLboolean enabled;
+ const char *name;
+ int flag_offset;
+} default_extensions[] = {
+ { OFF, "GL_ARB_blend_func_extended", F(ARB_blend_func_extended) },
+ { ON, "GL_ARB_copy_buffer", F(ARB_copy_buffer) },
+ { OFF, "GL_ARB_depth_buffer_float", F(ARB_depth_buffer_float) },
+ { OFF, "GL_ARB_depth_clamp", F(ARB_depth_clamp) },
+ { OFF, "GL_ARB_depth_texture", F(ARB_depth_texture) },
+ { ON, "GL_ARB_draw_buffers", F(ARB_draw_buffers) },
+ { OFF, "GL_ARB_draw_elements_base_vertex", F(ARB_draw_elements_base_vertex) },
+ { OFF, "GL_ARB_draw_instanced", F(ARB_draw_instanced) },
+ { OFF, "GL_ARB_explicit_attrib_location", F(ARB_explicit_attrib_location) },
+ { OFF, "GL_ARB_fragment_coord_conventions", F(ARB_fragment_coord_conventions) },
+ { OFF, "GL_ARB_fragment_program", F(ARB_fragment_program) },
+ { OFF, "GL_ARB_fragment_program_shadow", F(ARB_fragment_program_shadow) },
+ { OFF, "GL_ARB_fragment_shader", F(ARB_fragment_shader) },
+ { OFF, "GL_ARB_framebuffer_object", F(ARB_framebuffer_object) },
+ /* TODO: reenable this when the new GLSL compiler actually supports them */
+ /* { OFF, "GL_ARB_geometry_shader4", F(ARB_geometry_shader4) }, */
+ { OFF, "GL_ARB_half_float_pixel", F(ARB_half_float_pixel) },
+ { OFF, "GL_ARB_half_float_vertex", F(ARB_half_float_vertex) },
+ { OFF, "GL_ARB_instanced_arrays", F(ARB_instanced_arrays) },
+ { OFF, "GL_ARB_map_buffer_range", F(ARB_map_buffer_range) },
+ { ON, "GL_ARB_multisample", F(ARB_multisample) },
+ { OFF, "GL_ARB_multitexture", F(ARB_multitexture) },
+ { OFF, "GL_ARB_occlusion_query", F(ARB_occlusion_query) },
+ { OFF, "GL_ARB_occlusion_query2", F(ARB_occlusion_query2) },
+ { OFF, "GL_ARB_pixel_buffer_object", F(EXT_pixel_buffer_object) },
+ { OFF, "GL_ARB_point_parameters", F(EXT_point_parameters) },
+ { OFF, "GL_ARB_point_sprite", F(ARB_point_sprite) },
+ { OFF, "GL_ARB_provoking_vertex", F(EXT_provoking_vertex) },
+ { OFF, "GL_ARB_sampler_objects", F(ARB_sampler_objects) },
+ { OFF, "GL_ARB_seamless_cube_map", F(ARB_seamless_cube_map) },
+ { OFF, "GL_ARB_shader_objects", F(ARB_shader_objects) },
+ { OFF, "GL_ARB_shader_stencil_export", F(ARB_shader_stencil_export) },
+ { OFF, "GL_ARB_shading_language_100", F(ARB_shading_language_100) },
+ { OFF, "GL_ARB_shadow", F(ARB_shadow) },
+ { OFF, "GL_ARB_shadow_ambient", F(ARB_shadow_ambient) },
+ { OFF, "GL_ARB_sync", F(ARB_sync) },
+ { OFF, "GL_ARB_texture_border_clamp", F(ARB_texture_border_clamp) },
+ { OFF, "GL_ARB_texture_buffer_object", F(ARB_texture_buffer_object) },
+ { ON, "GL_ARB_texture_compression", F(ARB_texture_compression) },
+ { OFF, "GL_ARB_texture_compression_rgtc", F(ARB_texture_compression_rgtc) },
+ { OFF, "GL_ARB_texture_cube_map", F(ARB_texture_cube_map) },
+ { OFF, "GL_ARB_texture_env_add", F(EXT_texture_env_add) },
+ { OFF, "GL_ARB_texture_env_combine", F(ARB_texture_env_combine) },
+ { OFF, "GL_ARB_texture_env_crossbar", F(ARB_texture_env_crossbar) },
+ { OFF, "GL_ARB_texture_env_dot3", F(ARB_texture_env_dot3) },
+ { OFF, "GL_MESAX_texture_float", F(ARB_texture_float) },
+ { OFF, "GL_ARB_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)},
+ { OFF, "GL_ARB_texture_multisample", F(ARB_texture_multisample) },
+ { OFF, "GL_ARB_texture_non_power_of_two", F(ARB_texture_non_power_of_two)},
+ { OFF, "GL_ARB_texture_rectangle", F(NV_texture_rectangle) },
+ { OFF, "GL_ARB_texture_rg", F(ARB_texture_rg) },
+ { OFF, "GL_ARB_texture_rgb10_a2ui", F(ARB_texture_rgb10_a2ui) },
+ { OFF, "GL_ARB_texture_swizzle", F(EXT_texture_swizzle) },
+ { ON, "GL_ARB_transpose_matrix", F(ARB_transpose_matrix) },
+ { OFF, "GL_ARB_transform_feedback2", F(ARB_transform_feedback2) },
+ { OFF, "GL_ARB_uniform_buffer_object", F(ARB_uniform_buffer_object) },
+ { OFF, "GL_ARB_vertex_array_bgra", F(EXT_vertex_array_bgra) },
+ { OFF, "GL_ARB_vertex_array_object", F(ARB_vertex_array_object) },
+ { ON, "GL_ARB_vertex_buffer_object", F(ARB_vertex_buffer_object) },
+ { OFF, "GL_ARB_vertex_program", F(ARB_vertex_program) },
+ { OFF, "GL_ARB_vertex_shader", F(ARB_vertex_shader) },
+ { OFF, "GL_ARB_vertex_type_2_10_10_10_rev", F(ARB_vertex_type_2_10_10_10_rev) },
+ { ON, "GL_ARB_window_pos", F(ARB_window_pos) },
+ { ON, "GL_EXT_abgr", F(EXT_abgr) },
+ { ON, "GL_EXT_bgra", F(EXT_bgra) },
+ { OFF, "GL_EXT_blend_color", F(EXT_blend_color) },
+ { OFF, "GL_EXT_blend_equation_separate", F(EXT_blend_equation_separate) },
+ { OFF, "GL_EXT_blend_func_separate", F(EXT_blend_func_separate) },
+ { OFF, "GL_EXT_blend_logic_op", F(EXT_blend_logic_op) },
+ { OFF, "GL_EXT_blend_minmax", F(EXT_blend_minmax) },
+ { OFF, "GL_EXT_blend_subtract", F(EXT_blend_subtract) },
+ { OFF, "GL_EXT_clip_volume_hint", F(EXT_clip_volume_hint) },
+ { ON, "GL_EXT_compiled_vertex_array", F(EXT_compiled_vertex_array) },
+ { ON, "GL_EXT_copy_texture", F(EXT_copy_texture) },
+ { OFF, "GL_EXT_depth_bounds_test", F(EXT_depth_bounds_test) },
+ { OFF, "GL_EXT_draw_buffers2", F(EXT_draw_buffers2) },
+ { OFF, "GL_EXT_draw_instanced", F(ARB_draw_instanced) },
+ { ON, "GL_EXT_draw_range_elements", F(EXT_draw_range_elements) },
+ { OFF, "GL_EXT_framebuffer_blit", F(EXT_framebuffer_blit) },
+ { OFF, "GL_EXT_framebuffer_multisample", F(EXT_framebuffer_multisample) },
+ { OFF, "GL_EXT_framebuffer_object", F(EXT_framebuffer_object) },
+ { OFF, "GL_EXT_framebuffer_sRGB", F(EXT_framebuffer_sRGB) },
+ { OFF, "GL_EXT_fog_coord", F(EXT_fog_coord) },
+ { OFF, "GL_EXT_gpu_program_parameters", F(EXT_gpu_program_parameters) },
+ { OFF, "GL_EXT_gpu_shader4", F(EXT_gpu_shader4) },
+ { ON, "GL_EXT_multi_draw_arrays", F(EXT_multi_draw_arrays) },
+ { OFF, "GL_EXT_packed_depth_stencil", F(EXT_packed_depth_stencil) },
+ { OFF, "GL_EXT_packed_float", F(EXT_packed_float) },
+ { ON, "GL_EXT_packed_pixels", F(EXT_packed_pixels) },
+ { OFF, "GL_EXT_paletted_texture", F(EXT_paletted_texture) },
+ { OFF, "GL_EXT_pixel_buffer_object", F(EXT_pixel_buffer_object) },
+ { OFF, "GL_EXT_point_parameters", F(EXT_point_parameters) },
+ { ON, "GL_EXT_polygon_offset", F(EXT_polygon_offset) },
+ { OFF, "GL_EXT_provoking_vertex", F(EXT_provoking_vertex) },
+ { ON, "GL_EXT_rescale_normal", F(EXT_rescale_normal) },
+ { OFF, "GL_EXT_secondary_color", F(EXT_secondary_color) },
+ { OFF, "GL_EXT_separate_shader_objects", F(EXT_separate_shader_objects) },
+ { ON, "GL_EXT_separate_specular_color", F(EXT_separate_specular_color) },
+ { OFF, "GL_EXT_shadow_funcs", F(EXT_shadow_funcs) },
+ { OFF, "GL_EXT_shared_texture_palette", F(EXT_shared_texture_palette) },
+ { OFF, "GL_EXT_stencil_two_side", F(EXT_stencil_two_side) },
+ { OFF, "GL_EXT_stencil_wrap", F(EXT_stencil_wrap) },
+ { ON, "GL_EXT_subtexture", F(EXT_subtexture) },
+ { ON, "GL_EXT_texture", F(EXT_texture) },
+ { ON, "GL_EXT_texture3D", F(EXT_texture3D) },
+ { OFF, "GL_EXT_texture_array", F(EXT_texture_array) },
+ { OFF, "GL_EXT_texture_compression_s3tc", F(EXT_texture_compression_s3tc) },
+ { OFF, "GL_EXT_texture_compression_rgtc", F(ARB_texture_compression_rgtc) },
+ { OFF, "GL_EXT_texture_cube_map", F(ARB_texture_cube_map) },
+ { ON, "GL_EXT_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
+ { OFF, "GL_EXT_texture_env_add", F(EXT_texture_env_add) },
+ { OFF, "GL_EXT_texture_env_combine", F(EXT_texture_env_combine) },
+ { OFF, "GL_EXT_texture_env_dot3", F(EXT_texture_env_dot3) },
+ { OFF, "GL_EXT_texture_filter_anisotropic", F(EXT_texture_filter_anisotropic) },
+ { OFF, "GL_EXT_texture_integer", F(EXT_texture_integer) },
+ { OFF, "GL_EXT_texture_lod_bias", F(EXT_texture_lod_bias) },
+ { OFF, "GL_EXT_texture_mirror_clamp", F(EXT_texture_mirror_clamp) },
+ { ON, "GL_EXT_texture_object", F(EXT_texture_object) },
+ { OFF, "GL_EXT_texture_rectangle", F(NV_texture_rectangle) },
+ { OFF, "GL_EXT_texture_shared_exponent", F(EXT_texture_shared_exponent) },
+ { OFF, "GL_EXT_texture_sRGB", F(EXT_texture_sRGB) },
+ { OFF, "GL_EXT_texture_swizzle", F(EXT_texture_swizzle) },
+ { OFF, "GL_EXT_timer_query", F(EXT_timer_query) },
+ { OFF, "GL_EXT_transform_feedback", F(EXT_transform_feedback) },
+ { ON, "GL_EXT_vertex_array", F(EXT_vertex_array) },
+ { OFF, "GL_EXT_vertex_array_bgra", F(EXT_vertex_array_bgra) },
+ { OFF, "GL_EXT_vertex_array_set", F(EXT_vertex_array_set) },
+ { OFF, "GL_3DFX_texture_compression_FXT1", F(TDFX_texture_compression_FXT1) },
+ { OFF, "GL_APPLE_client_storage", F(APPLE_client_storage) },
+ { ON, "GL_APPLE_packed_pixels", F(APPLE_packed_pixels) },
+ { OFF, "GL_APPLE_vertex_array_object", F(APPLE_vertex_array_object) },
+ { OFF, "GL_APPLE_object_purgeable", F(APPLE_object_purgeable) },
+ { OFF, "GL_ATI_blend_equation_separate", F(EXT_blend_equation_separate) },
+ { OFF, "GL_ATI_envmap_bumpmap", F(ATI_envmap_bumpmap) },
+ { OFF, "GL_ATI_texture_env_combine3", F(ATI_texture_env_combine3)},
+ { OFF, "GL_ATI_texture_mirror_once", F(ATI_texture_mirror_once)},
+ { OFF, "GL_ATI_fragment_shader", F(ATI_fragment_shader)},
+ { OFF, "GL_ATI_separate_stencil", F(ATI_separate_stencil)},
+ { ON, "GL_IBM_multimode_draw_arrays", F(IBM_multimode_draw_arrays) },
+ { ON, "GL_IBM_rasterpos_clip", F(IBM_rasterpos_clip) },
+ { OFF, "GL_IBM_texture_mirrored_repeat", F(ARB_texture_mirrored_repeat)},
+ { OFF, "GL_INGR_blend_func_separate", F(EXT_blend_func_separate) },
+ { OFF, "GL_MESA_pack_invert", F(MESA_pack_invert) },
+ { OFF, "GL_MESA_resize_buffers", F(MESA_resize_buffers) },
+ { OFF, "GL_MESA_texture_array", F(MESA_texture_array) },
+ { OFF, "GL_MESA_texture_signed_rgba", F(MESA_texture_signed_rgba) },
+ { OFF, "GL_MESA_ycbcr_texture", F(MESA_ycbcr_texture) },
+ { ON, "GL_MESA_window_pos", F(ARB_window_pos) },
+ { OFF, "GL_NV_blend_square", F(NV_blend_square) },
+ { OFF, "GL_NV_conditional_render", F(NV_conditional_render) },
+ { OFF, "GL_NV_depth_clamp", F(ARB_depth_clamp) },
+ { OFF, "GL_NV_fragment_program", F(NV_fragment_program) },
+ { OFF, "GL_NV_fragment_program_option", F(NV_fragment_program_option) },
+ { ON, "GL_NV_light_max_exponent", F(NV_light_max_exponent) },
+ { OFF, "GL_NV_packed_depth_stencil", F(EXT_packed_depth_stencil) },
+ { OFF, "GL_NV_point_sprite", F(NV_point_sprite) },
+ { OFF, "GL_NV_primitive_restart", F(NV_primitive_restart) },
+ { ON, "GL_NV_texgen_reflection", F(NV_texgen_reflection) },
+ { OFF, "GL_NV_texture_env_combine4", F(NV_texture_env_combine4) },
+ { OFF, "GL_NV_texture_rectangle", F(NV_texture_rectangle) },
+ { OFF, "GL_NV_vertex_program", F(NV_vertex_program) },
+ { OFF, "GL_NV_vertex_program1_1", F(NV_vertex_program1_1) },
+ { ON, "GL_OES_read_format", F(OES_read_format) },
+ { OFF, "GL_SGI_texture_color_table", F(SGI_texture_color_table) },
+ { ON, "GL_SGIS_generate_mipmap", F(SGIS_generate_mipmap) },
+ { OFF, "GL_SGIS_texture_border_clamp", F(ARB_texture_border_clamp) },
+ { ON, "GL_SGIS_texture_edge_clamp", F(SGIS_texture_edge_clamp) },
+ { ON, "GL_SGIS_texture_lod", F(SGIS_texture_lod) },
+ { ON, "GL_SUN_multi_draw_arrays", F(EXT_multi_draw_arrays) },
+ { OFF, "GL_S3_s3tc", F(S3_s3tc) },
+ { OFF, "GL_EXT_texture_format_BGRA8888", F(EXT_texture_format_BGRA8888) },
+#if FEATURE_OES_EGL_image
+ { OFF, "GL_OES_EGL_image", F(OES_EGL_image) },
+#endif
+#if FEATURE_OES_draw_texture
+ { OFF, "GL_OES_draw_texture", F(OES_draw_texture) },
+#endif /* FEATURE_OES_draw_texture */
+};
+
+
+
+/**
+ * Enable all extensions suitable for a software-only renderer.
+ * This is a convenience function used by the XMesa, OSMesa, GGI drivers, etc.
+ */
+void
+_mesa_enable_sw_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_copy_buffer = GL_TRUE;*/
+ ctx->Extensions.ARB_depth_clamp = GL_TRUE;
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+ ctx->Extensions.ARB_draw_elements_base_vertex = GL_TRUE;
+ ctx->Extensions.ARB_explicit_attrib_location = GL_TRUE;
+ ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE;
+#if FEATURE_ARB_fragment_program
+ ctx->Extensions.ARB_fragment_program = GL_TRUE;
+ ctx->Extensions.ARB_fragment_program_shadow = GL_TRUE;
+#endif
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_ARB_geometry_shader4 && 0
+ /* XXX re-enable when GLSL compiler again supports geometry shaders */
+ ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_half_float_pixel = GL_TRUE;
+ ctx->Extensions.ARB_half_float_vertex = GL_TRUE;
+ ctx->Extensions.ARB_map_buffer_range = GL_TRUE;
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+#if FEATURE_queryobj
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ ctx->Extensions.ARB_occlusion_query2 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+ ctx->Extensions.EXT_separate_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_shadow_ambient = GL_TRUE;
+ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ /*ctx->Extensions.ARB_texture_float = GL_TRUE;*/
+ ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+ ctx->Extensions.ARB_texture_rg = GL_TRUE;
+ ctx->Extensions.ARB_vertex_array_object = GL_TRUE;
+#if FEATURE_ARB_vertex_program
+ ctx->Extensions.ARB_vertex_program = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+#if FEATURE_ARB_vertex_buffer_object
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+#endif
+#if FEATURE_ARB_sync
+ ctx->Extensions.ARB_sync = GL_TRUE;
+#endif
+ ctx->Extensions.APPLE_vertex_array_object = GL_TRUE;
+#if FEATURE_APPLE_object_purgeable
+ ctx->Extensions.APPLE_object_purgeable = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_envmap_bumpmap = GL_TRUE;
+#if FEATURE_ATI_fragment_shader
+ ctx->Extensions.ATI_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ATI_texture_env_combine3 = GL_TRUE;
+ ctx->Extensions.ATI_texture_mirror_once = GL_TRUE;
+ ctx->Extensions.ATI_separate_stencil = GL_TRUE;
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_depth_bounds_test = GL_TRUE;
+ ctx->Extensions.EXT_draw_buffers2 = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+#if FEATURE_EXT_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_framebuffer_blit
+ ctx->Extensions.EXT_framebuffer_blit = GL_TRUE;
+#endif
+#if FEATURE_ARB_framebuffer_object
+ ctx->Extensions.EXT_framebuffer_multisample = GL_TRUE;
+#endif
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_packed_depth_stencil = GL_TRUE;
+ ctx->Extensions.EXT_paletted_texture = GL_TRUE;
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_provoking_vertex = GL_TRUE;
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_shared_texture_palette = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+ ctx->Extensions.EXT_texture_array = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_combine = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_mirror_clamp = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_texture_swizzle = GL_TRUE;
+#if FEATURE_EXT_transform_feedback
+ /*ctx->Extensions.EXT_transform_feedback = GL_TRUE;*/
+#endif
+ ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE;
+ /*ctx->Extensions.IBM_multimode_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.MESA_pack_invert = GL_TRUE;
+ ctx->Extensions.MESA_resize_buffers = GL_TRUE;
+ ctx->Extensions.MESA_texture_array = GL_TRUE;
+ ctx->Extensions.MESA_ycbcr_texture = GL_TRUE;
+ ctx->Extensions.NV_blend_square = GL_TRUE;
+ ctx->Extensions.NV_conditional_render = GL_TRUE;
+ /*ctx->Extensions.NV_light_max_exponent = GL_TRUE;*/
+ ctx->Extensions.NV_point_sprite = GL_TRUE;
+ ctx->Extensions.NV_texture_env_combine4 = GL_TRUE;
+ ctx->Extensions.NV_texture_rectangle = GL_TRUE;
+ /*ctx->Extensions.NV_texgen_reflection = GL_TRUE;*/
+#if FEATURE_NV_vertex_program
+ ctx->Extensions.NV_vertex_program = GL_TRUE;
+ ctx->Extensions.NV_vertex_program1_1 = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program
+ ctx->Extensions.NV_fragment_program = GL_TRUE;
+#endif
+#if FEATURE_NV_fragment_program && FEATURE_ARB_fragment_program
+ ctx->Extensions.NV_fragment_program_option = GL_TRUE;
+#endif
+ ctx->Extensions.SGI_texture_color_table = GL_TRUE;
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+ ctx->Extensions.SGIS_texture_edge_clamp = GL_TRUE;
+#if FEATURE_ARB_vertex_program || FEATURE_ARB_fragment_program
+ ctx->Extensions.EXT_gpu_program_parameters = GL_TRUE;
+#endif
+#if FEATURE_texture_fxt1
+ _mesa_enable_extension(ctx, "GL_3DFX_texture_compression_FXT1");
+#endif
+#if FEATURE_texture_s3tc
+ if (ctx->Mesa_DXTn) {
+ _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+ _mesa_enable_extension(ctx, "GL_S3_s3tc");
+ }
+#endif
+}
+
+
+/**
+ * Enable common EXT extensions in the ARB_imaging subset.
+ */
+void
+_mesa_enable_imaging_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_logic_op = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+}
+
+
+
+/**
+ * Enable all OpenGL 1.3 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_3_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_multisample = GL_TRUE;*/
+ ctx->Extensions.ARB_multitexture = GL_TRUE;
+ ctx->Extensions.ARB_texture_border_clamp = GL_TRUE;
+ /*ctx->Extensions.ARB_texture_compression = GL_TRUE;*/
+ ctx->Extensions.ARB_texture_cube_map = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
+ ctx->Extensions.EXT_texture_env_add = GL_TRUE;
+ /*ctx->Extensions.ARB_transpose_matrix = GL_TRUE;*/
+}
+
+
+
+/**
+ * Enable all OpenGL 1.4 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_4_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_depth_texture = GL_TRUE;
+ ctx->Extensions.ARB_shadow = GL_TRUE;
+ ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
+ ctx->Extensions.ARB_texture_mirrored_repeat = GL_TRUE;
+ ctx->Extensions.ARB_window_pos = GL_TRUE;
+ ctx->Extensions.EXT_blend_color = GL_TRUE;
+ ctx->Extensions.EXT_blend_func_separate = GL_TRUE;
+ ctx->Extensions.EXT_blend_minmax = GL_TRUE;
+ ctx->Extensions.EXT_blend_subtract = GL_TRUE;
+ ctx->Extensions.EXT_fog_coord = GL_TRUE;
+ /*ctx->Extensions.EXT_multi_draw_arrays = GL_TRUE;*/
+ ctx->Extensions.EXT_point_parameters = GL_TRUE;
+ ctx->Extensions.EXT_secondary_color = GL_TRUE;
+ ctx->Extensions.EXT_stencil_wrap = GL_TRUE;
+ ctx->Extensions.EXT_texture_lod_bias = GL_TRUE;
+ /*ctx->Extensions.SGIS_generate_mipmap = GL_TRUE;*/
+}
+
+
+/**
+ * Enable all OpenGL 1.5 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_1_5_extensions(struct gl_context *ctx)
+{
+ ctx->Extensions.ARB_occlusion_query = GL_TRUE;
+ /*ctx->Extensions.ARB_vertex_buffer_object = GL_TRUE;*/
+ ctx->Extensions.EXT_shadow_funcs = GL_TRUE;
+}
+
+
+/**
+ * Enable all OpenGL 2.0 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_0_extensions(struct gl_context *ctx)
+{
+ /*ctx->Extensions.ARB_draw_buffers = GL_TRUE;*/
+#if FEATURE_ARB_fragment_shader
+ ctx->Extensions.ARB_fragment_shader = GL_TRUE;
+#endif
+ ctx->Extensions.ARB_point_sprite = GL_TRUE;
+ ctx->Extensions.EXT_blend_equation_separate = GL_TRUE;
+ ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
+#if FEATURE_ARB_shader_objects
+ ctx->Extensions.ARB_shader_objects = GL_TRUE;
+#endif
+#if FEATURE_ARB_shading_language_100
+ ctx->Extensions.ARB_shading_language_100 = GL_TRUE;
+#endif
+ ctx->Extensions.EXT_stencil_two_side = GL_TRUE;
+#if FEATURE_ARB_vertex_shader
+ ctx->Extensions.ARB_vertex_shader = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Enable all OpenGL 2.1 features and extensions.
+ * A convenience function to be called by drivers.
+ */
+void
+_mesa_enable_2_1_extensions(struct gl_context *ctx)
+{
+#if FEATURE_EXT_pixel_buffer_object
+ ctx->Extensions.EXT_pixel_buffer_object = GL_TRUE;
+#endif
+#if FEATURE_EXT_texture_sRGB
+ ctx->Extensions.EXT_texture_sRGB = GL_TRUE;
+#endif
+}
+
+
+/**
+ * Either enable or disable the named extension.
+ * \return GL_TRUE for success, GL_FALSE if invalid extension name
+ */
+static GLboolean
+set_extension( struct gl_context *ctx, const char *name, GLboolean state )
+{
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ GLuint i;
+
+ if (ctx->Extensions.String) {
+ /* The string was already queried - can't change it now! */
+ _mesa_problem(ctx, "Trying to enable/disable extension after glGetString(GL_EXTENSIONS): %s", name);
+ return GL_FALSE;
+ }
+
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (strcmp(default_extensions[i].name, name) == 0) {
+ if (default_extensions[i].flag_offset) {
+ GLboolean *enabled = base + default_extensions[i].flag_offset;
+ *enabled = state;
+ }
+ return GL_TRUE;
+ }
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Enable the named extension.
+ * Typically called by drivers.
+ */
+void
+_mesa_enable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_TRUE))
+ _mesa_problem(ctx, "Trying to enable unknown extension: %s", name);
+}
+
+
+/**
+ * Disable the named extension.
+ * XXX is this really needed???
+ */
+void
+_mesa_disable_extension( struct gl_context *ctx, const char *name )
+{
+ if (!set_extension(ctx, name, GL_FALSE))
+ _mesa_problem(ctx, "Trying to disable unknown extension: %s", name);
+}
+
+
+/**
+ * Check if the i-th extension is enabled.
+ */
+static GLboolean
+extension_enabled(struct gl_context *ctx, GLuint index)
+{
+ const GLboolean *base = (const GLboolean *) &ctx->Extensions;
+ if (!default_extensions[index].flag_offset ||
+ *(base + default_extensions[index].flag_offset)) {
+ return GL_TRUE;
+ }
+ else {
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Test if the named extension is enabled in this context.
+ */
+GLboolean
+_mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
+{
+ GLuint i;
+
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (strcmp(default_extensions[i].name, name) == 0) {
+ return extension_enabled(ctx, i);
+ }
+ }
+ return GL_FALSE;
+}
+
+
+/**
+ * Append string 'b' onto string 'a'. Free 'a' and return new string.
+ */
+static char *
+append(const char *a, const char *b)
+{
+ const GLuint aLen = a ? strlen(a) : 0;
+ const GLuint bLen = b ? strlen(b) : 0;
+ char *s = calloc(1, aLen + bLen + 1);
+ if (s) {
+ if (a)
+ memcpy(s, a, aLen);
+ if (b)
+ memcpy(s + aLen, b, bLen);
+ s[aLen + bLen] = '\0';
+ }
+ if (a)
+ free((void *) a);
+ return s;
+}
+
+
+/**
+ * Check the MESA_EXTENSION_OVERRIDE env var.
+ * For extension names that are recognized, turn them on. For extension
+ * names that are recognized and prefixed with '-', turn them off.
+ * Return a string of the unknown/leftover names.
+ */
+static const char *
+get_extension_override( struct gl_context *ctx )
+{
+ const char *envExt = _mesa_getenv("MESA_EXTENSION_OVERRIDE");
+ char *extraExt = NULL;
+ char ext[1000];
+ GLuint extLen = 0;
+ GLuint i;
+ GLboolean disableExt = GL_FALSE;
+
+ if (!envExt)
+ return NULL;
+
+ for (i = 0; ; i++) {
+ if (envExt[i] == '\0' || envExt[i] == ' ') {
+ /* terminate/process 'ext' if extLen > 0 */
+ if (extLen > 0) {
+ assert(extLen < sizeof(ext));
+ /* enable extension named by 'ext' */
+ ext[extLen] = 0;
+ if (!set_extension(ctx, ext, !disableExt)) {
+ /* unknown extension name, append it to extraExt */
+ if (extraExt) {
+ extraExt = append(extraExt, " ");
+ }
+ extraExt = append(extraExt, ext);
+ }
+ extLen = 0;
+ disableExt = GL_FALSE;
+ }
+ if (envExt[i] == '\0')
+ break;
+ }
+ else if (envExt[i] == '-') {
+ disableExt = GL_TRUE;
+ }
+ else {
+ /* accumulate this non-space character */
+ ext[extLen++] = envExt[i];
+ }
+ }
+
+ return extraExt;
+}
+
+
+/**
+ * Run through the default_extensions array above and set the
+ * ctx->Extensions.ARB/EXT_* flags accordingly.
+ * To be called during context initialization.
+ */
+void
+_mesa_init_extensions( struct gl_context *ctx )
+{
+ GLboolean *base = (GLboolean *) &ctx->Extensions;
+ GLuint i;
+
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (default_extensions[i].enabled &&
+ default_extensions[i].flag_offset) {
+ *(base + default_extensions[i].flag_offset) = GL_TRUE;
+ }
+ }
+}
+
+
+/**
+ * Construct the GL_EXTENSIONS string. Called the first time that
+ * glGetString(GL_EXTENSIONS) is called.
+ */
+static GLubyte *
+compute_extensions( struct gl_context *ctx )
+{
+ const char *extraExt = get_extension_override(ctx);
+ GLuint extStrLen = 0;
+ char *s;
+ GLuint i;
+
+ /* first, compute length of the extension string */
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (extension_enabled(ctx, i)) {
+ extStrLen += (GLuint) strlen(default_extensions[i].name) + 1;
+ }
+ }
+
+ if (extraExt)
+ extStrLen += strlen(extraExt) + 1; /* +1 for space */
+
+ /* allocate the extension string */
+ s = (char *) malloc(extStrLen);
+ if (!s)
+ return NULL;
+
+ /* second, build the extension string */
+ extStrLen = 0;
+ for (i = 0 ; i < Elements(default_extensions) ; i++) {
+ if (extension_enabled(ctx, i)) {
+ GLuint len = (GLuint) strlen(default_extensions[i].name);
+ memcpy(s + extStrLen, default_extensions[i].name, len);
+ extStrLen += len;
+ s[extStrLen] = ' ';
+ extStrLen++;
+ }
+ }
+ ASSERT(extStrLen > 0);
+
+ s[extStrLen - 1] = 0; /* -1 to overwrite trailing the ' ' */
+
+ if (extraExt) {
+ s = append(s, " ");
+ s = append(s, extraExt);
+ }
+
+ return (GLubyte *) s;
+}
+
+static size_t
+append_extension(GLubyte **str, const char *ext)
+{
+ GLubyte *s = *str;
+ size_t len = strlen(ext);
+
+ if (s) {
+ memcpy(s, ext, len);
+ s[len++] = ' ';
+ s[len] = '\0';
+
+ *str += len;
+ }
+ else {
+ len++;
+ }
+
+ return len;
+}
+
+
+static size_t
+make_extension_string_es1(const struct gl_context *ctx, GLubyte *str)
+{
+ size_t len = 0;
+
+ /* Core additions */
+ len += append_extension(&str, "GL_OES_byte_coordinates");
+ len += append_extension(&str, "GL_OES_fixed_point");
+ len += append_extension(&str, "GL_OES_single_precision");
+ len += append_extension(&str, "GL_OES_matrix_get");
+
+ /* 1.1 required extensions */
+ len += append_extension(&str, "GL_OES_read_format");
+ len += append_extension(&str, "GL_OES_compressed_paletted_texture");
+ len += append_extension(&str, "GL_OES_point_size_array");
+ len += append_extension(&str, "GL_OES_point_sprite");
+
+ /* 1.1 deprecated extensions */
+ len += append_extension(&str, "GL_OES_query_matrix");
+
+#if FEATURE_OES_draw_texture
+ if (ctx->Extensions.OES_draw_texture)
+ len += append_extension(&str, "GL_OES_draw_texture");
+#endif
+
+ if (ctx->Extensions.EXT_blend_equation_separate)
+ len += append_extension(&str, "GL_OES_blend_equation_separate");
+ if (ctx->Extensions.EXT_blend_func_separate)
+ len += append_extension(&str, "GL_OES_blend_func_separate");
+ if (ctx->Extensions.EXT_blend_subtract)
+ len += append_extension(&str, "GL_OES_blend_subtract");
+
+ if (ctx->Extensions.EXT_stencil_wrap)
+ len += append_extension(&str, "GL_OES_stencil_wrap");
+
+ if (ctx->Extensions.ARB_texture_cube_map)
+ len += append_extension(&str, "GL_OES_texture_cube_map");
+ if (ctx->Extensions.ARB_texture_env_crossbar)
+ len += append_extension(&str, "GL_OES_texture_env_crossbar");
+ if (ctx->Extensions.ARB_texture_mirrored_repeat)
+ len += append_extension(&str, "GL_OES_texture_mirrored_repeat");
+
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ len += append_extension(&str, "GL_OES_framebuffer_object");
+ len += append_extension(&str, "GL_OES_depth24");
+ len += append_extension(&str, "GL_OES_depth32");
+ len += append_extension(&str, "GL_OES_fbo_render_mipmap");
+ len += append_extension(&str, "GL_OES_rgb8_rgba8");
+ len += append_extension(&str, "GL_OES_stencil1");
+ len += append_extension(&str, "GL_OES_stencil4");
+ len += append_extension(&str, "GL_OES_stencil8");
+ }
+
+ if (ctx->Extensions.EXT_vertex_array)
+ len += append_extension(&str, "GL_OES_element_index_uint");
+ if (ctx->Extensions.ARB_vertex_buffer_object)
+ len += append_extension(&str, "GL_OES_mapbuffer");
+ if (ctx->Extensions.EXT_texture_filter_anisotropic)
+ len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
+
+ /* some applications check this for NPOT support */
+ if (ctx->Extensions.ARB_texture_non_power_of_two)
+ len += append_extension(&str, "GL_ARB_texture_non_power_of_two");
+
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
+ if (ctx->Extensions.EXT_texture_lod_bias)
+ len += append_extension(&str, "GL_EXT_texture_lod_bias");
+ if (ctx->Extensions.EXT_blend_minmax)
+ len += append_extension(&str, "GL_EXT_blend_minmax");
+ if (ctx->Extensions.EXT_multi_draw_arrays)
+ len += append_extension(&str, "GL_EXT_multi_draw_arrays");
+
+#if FEATURE_OES_EGL_image
+ if (ctx->Extensions.OES_EGL_image)
+ len += append_extension(&str, "GL_OES_EGL_image");
+#endif
+
+ return len;
+}
+
+
+static GLubyte *
+compute_extensions_es1(const struct gl_context *ctx)
+{
+ GLubyte *s;
+ unsigned int len;
+
+ len = make_extension_string_es1(ctx, NULL);
+ s = malloc(len + 1);
+ if (!s)
+ return NULL;
+ make_extension_string_es1(ctx, s);
+
+ return s;
+}
+
+static size_t
+make_extension_string_es2(const struct gl_context *ctx, GLubyte *str)
+{
+ size_t len = 0;
+
+ if (ctx->Extensions.ARB_framebuffer_object) {
+ len += append_extension(&str, "GL_OES_depth24");
+ len += append_extension(&str, "GL_OES_depth32");
+ len += append_extension(&str, "GL_OES_fbo_render_mipmap");
+ len += append_extension(&str, "GL_OES_rgb8_rgba8");
+ len += append_extension(&str, "GL_OES_stencil1");
+ len += append_extension(&str, "GL_OES_stencil4");
+ }
+
+ if (ctx->Extensions.EXT_vertex_array)
+ len += append_extension(&str, "GL_OES_element_index_uint");
+ if (ctx->Extensions.ARB_vertex_buffer_object)
+ len += append_extension(&str, "GL_OES_mapbuffer");
+
+#if 0
+ /* disabled because of missing GLSL support */
+ if (ctx->Extensions.EXT_texture3D)
+ len += append_extension(&str, "GL_OES_texture_3D");
+#endif
+
+ if (ctx->Extensions.ARB_texture_non_power_of_two)
+ len += append_extension(&str, "GL_OES_texture_npot");
+ if (ctx->Extensions.EXT_texture_filter_anisotropic)
+ len += append_extension(&str, "GL_EXT_texture_filter_anisotropic");
+
+ len += append_extension(&str, "GL_EXT_texture_type_2_10_10_10_REV");
+ if (ctx->Extensions.ARB_depth_texture)
+ len += append_extension(&str, "GL_OES_depth_texture");
+ if (ctx->Extensions.EXT_packed_depth_stencil)
+ len += append_extension(&str, "GL_OES_packed_depth_stencil");
+ if (ctx->Extensions.ARB_fragment_shader)
+ len += append_extension(&str, "GL_OES_standard_derivatives");
+
+ if (ctx->Extensions.EXT_texture_compression_s3tc)
+ len += append_extension(&str, "GL_EXT_texture_compression_dxt1");
+ if (ctx->Extensions.EXT_blend_minmax)
+ len += append_extension(&str, "GL_EXT_blend_minmax");
+ if (ctx->Extensions.EXT_multi_draw_arrays)
+ len += append_extension(&str, "GL_EXT_multi_draw_arrays");
+
+#if FEATURE_OES_EGL_image
+ if (ctx->Extensions.OES_EGL_image)
+ len += append_extension(&str, "GL_OES_EGL_image");
+#endif
+
+ if (ctx->Extensions.EXT_texture_format_BGRA8888)
+ len += append_extension(&str, "GL_EXT_texture_format_BGRA8888");
+
+ return len;
+}
+
+static GLubyte *
+compute_extensions_es2(struct gl_context *ctx)
+{
+ GLubyte *s;
+ unsigned int len;
+
+ len = make_extension_string_es2(ctx, NULL);
+ s = malloc(len + 1);
+ if (!s)
+ return NULL;
+ make_extension_string_es2(ctx, s);
+
+ return s;
+}
+
+
+GLubyte *
+_mesa_make_extension_string(struct gl_context *ctx)
+{
+ switch (ctx->API) {
+ case API_OPENGL:
+ return compute_extensions(ctx);
+ case API_OPENGLES2:
+ return compute_extensions_es2(ctx);
+ case API_OPENGLES:
+ return compute_extensions_es1(ctx);
+ default:
+ assert(0);
+ return NULL;
+ }
+}
+
+/**
+ * Return number of enabled extensions.
+ */
+GLuint
+_mesa_get_extension_count(struct gl_context *ctx)
+{
+ GLuint i;
+
+ /* only count once */
+ if (!ctx->Extensions.Count) {
+ for (i = 0; i < Elements(default_extensions); i++) {
+ if (extension_enabled(ctx, i)) {
+ ctx->Extensions.Count++;
+ }
+ }
+ }
+
+ if (0)
+ _mesa_debug(ctx, "%u of %d extensions enabled\n", ctx->Extensions.Count,
+ (int) Elements(default_extensions));
+
+ return ctx->Extensions.Count;
+}
+
+
+/**
+ * Return name of i-th enabled extension
+ */
+const GLubyte *
+_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
+{
+ GLuint i;
+
+ for (i = 0; i < Elements(default_extensions); i++) {
+ if (extension_enabled(ctx, i)) {
+ if (index == 0)
+ return (const GLubyte *) default_extensions[i].name;
+ index--;
+ }
+ }
+
+ return NULL;
+}
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