#include "glheader.h"
-#include "imports.h"
+
#include "context.h"
#include "extensions.h"
#include "macros.h"
struct gl_extensions _mesa_extension_override_enables;
struct gl_extensions _mesa_extension_override_disables;
-static char *extra_extensions = NULL;
-static char *cant_disable_extensions = NULL;
-
-enum {
- DISABLE = 0,
- GLL = 1 << API_OPENGL_COMPAT, /* GL Legacy / Compatibility */
- GLC = 1 << API_OPENGL_CORE, /* GL Core */
- GL = (1 << API_OPENGL_COMPAT) | (1 << API_OPENGL_CORE),
- ES1 = 1 << API_OPENGLES,
- ES2 = 1 << API_OPENGLES2,
- ES3 = 1 << (API_OPENGL_LAST + 1),
- ES31 = 1 << (API_OPENGL_LAST + 2),
-};
-
-/**
- * \brief An element of the \c extension_table.
- */
-struct extension {
- /** Name of extension, such as "GL_ARB_depth_clamp". */
- const char *name;
-
- /** Offset (in bytes) of the corresponding member in struct gl_extensions. */
- size_t offset;
-
- /** Set of API's in which the extension exists, as a bitset. */
- uint8_t api_set;
-
- /** Year the extension was proposed or approved. Used to sort the
- * extension string chronologically. */
- uint16_t year;
-};
+#define MAX_UNRECOGNIZED_EXTENSIONS 16
+static struct {
+ char *env;
+ const char *names[MAX_UNRECOGNIZED_EXTENSIONS];
+} unrecognized_extensions;
/**
* Given a member \c x of struct gl_extensions, return offset of
*/
#define o(x) offsetof(struct gl_extensions, x)
-
-/**
- * \brief Table of supported OpenGL extensions for all API's.
- */
-static const struct extension extension_table[] = {
-#define EXT(name_str, driver_cap, api_flags, yyyy) \
- { .name = "GL_" #name_str, .offset = o(driver_cap), .api_set = api_flags, .year = yyyy},
- EXT(ARB_ES2_compatibility , ARB_ES2_compatibility , GL , 2009)
- EXT(ARB_ES3_compatibility , ARB_ES3_compatibility , GL , 2012)
- EXT(ARB_arrays_of_arrays , ARB_arrays_of_arrays , GL , 2012)
- EXT(ARB_base_instance , ARB_base_instance , GL , 2011)
- EXT(ARB_blend_func_extended , ARB_blend_func_extended , GL , 2009)
- EXT(ARB_buffer_storage , ARB_buffer_storage , GL , 2013)
- EXT(ARB_clear_buffer_object , dummy_true , GL , 2012)
- EXT(ARB_clear_texture , ARB_clear_texture , GL , 2013)
- EXT(ARB_clip_control , ARB_clip_control , GL , 2014)
- EXT(ARB_color_buffer_float , ARB_color_buffer_float , GL , 2004)
- EXT(ARB_compressed_texture_pixel_storage , dummy_true , GL , 2011)
- EXT(ARB_compute_shader , ARB_compute_shader , GL , 2012)
- EXT(ARB_conditional_render_inverted , ARB_conditional_render_inverted , GL , 2014)
- EXT(ARB_copy_buffer , dummy_true , GL , 2008)
- EXT(ARB_copy_image , ARB_copy_image , GL , 2012)
- EXT(ARB_conservative_depth , ARB_conservative_depth , GL , 2011)
- EXT(ARB_debug_output , dummy_true , GL , 2009)
- EXT(ARB_depth_buffer_float , ARB_depth_buffer_float , GL , 2008)
- EXT(ARB_depth_clamp , ARB_depth_clamp , GL , 2003)
- EXT(ARB_depth_texture , ARB_depth_texture , GLL , 2001)
- EXT(ARB_derivative_control , ARB_derivative_control , GL , 2014)
- EXT(ARB_direct_state_access , dummy_true , GLC , 2014)
- EXT(ARB_draw_buffers , dummy_true , GL , 2002)
- EXT(ARB_draw_buffers_blend , ARB_draw_buffers_blend , GL , 2009)
- EXT(ARB_draw_elements_base_vertex , ARB_draw_elements_base_vertex , GL , 2009)
- EXT(ARB_draw_indirect , ARB_draw_indirect , GLC , 2010)
- EXT(ARB_draw_instanced , ARB_draw_instanced , GL , 2008)
- EXT(ARB_enhanced_layouts , ARB_enhanced_layouts , GLC , 2013)
- EXT(ARB_explicit_attrib_location , ARB_explicit_attrib_location , GL , 2009)
- EXT(ARB_explicit_uniform_location , ARB_explicit_uniform_location , GL , 2012)
- EXT(ARB_fragment_coord_conventions , ARB_fragment_coord_conventions , GL , 2009)
- EXT(ARB_fragment_layer_viewport , ARB_fragment_layer_viewport , GLC , 2012)
- EXT(ARB_fragment_program , ARB_fragment_program , GLL , 2002)
- EXT(ARB_fragment_program_shadow , ARB_fragment_program_shadow , GLL , 2003)
- EXT(ARB_fragment_shader , ARB_fragment_shader , GL , 2002)
- EXT(ARB_framebuffer_no_attachments , ARB_framebuffer_no_attachments , GL , 2012)
- EXT(ARB_framebuffer_object , ARB_framebuffer_object , GL , 2005)
- EXT(ARB_framebuffer_sRGB , EXT_framebuffer_sRGB , GL , 1998)
- EXT(ARB_get_program_binary , dummy_true , GL , 2010)
- EXT(ARB_get_texture_sub_image , dummy_true , GL , 2014)
- EXT(ARB_gpu_shader5 , ARB_gpu_shader5 , GLC , 2010)
- EXT(ARB_gpu_shader_fp64 , ARB_gpu_shader_fp64 , GLC , 2010)
- EXT(ARB_half_float_pixel , dummy_true , GL , 2003)
- EXT(ARB_half_float_vertex , ARB_half_float_vertex , GL , 2008)
- EXT(ARB_instanced_arrays , ARB_instanced_arrays , GL , 2008)
- EXT(ARB_internalformat_query , ARB_internalformat_query , GL , 2011)
- EXT(ARB_invalidate_subdata , dummy_true , GL , 2012)
- EXT(ARB_map_buffer_alignment , dummy_true , GL , 2011)
- EXT(ARB_map_buffer_range , ARB_map_buffer_range , GL , 2008)
- EXT(ARB_multi_bind , dummy_true , GL , 2013)
- EXT(ARB_multi_draw_indirect , ARB_draw_indirect , GLC , 2012)
- EXT(ARB_multisample , dummy_true , GLL , 1994)
- EXT(ARB_multitexture , dummy_true , GLL , 1998)
- EXT(ARB_occlusion_query2 , ARB_occlusion_query2 , GL , 2003)
- EXT(ARB_occlusion_query , ARB_occlusion_query , GLL , 2001)
- EXT(ARB_pipeline_statistics_query , ARB_pipeline_statistics_query , GL , 2014)
- EXT(ARB_pixel_buffer_object , EXT_pixel_buffer_object , GL , 2004)
- EXT(ARB_point_parameters , EXT_point_parameters , GLL , 1997)
- EXT(ARB_point_sprite , ARB_point_sprite , GL , 2003)
- EXT(ARB_program_interface_query , dummy_true , GL , 2012)
- EXT(ARB_provoking_vertex , EXT_provoking_vertex , GL , 2009)
- EXT(ARB_robustness , dummy_true , GL , 2010)
- EXT(ARB_sample_shading , ARB_sample_shading , GL , 2009)
- EXT(ARB_sampler_objects , dummy_true , GL , 2009)
- EXT(ARB_seamless_cube_map , ARB_seamless_cube_map , GL , 2009)
- EXT(ARB_seamless_cubemap_per_texture , AMD_seamless_cubemap_per_texture , GL , 2013)
- EXT(ARB_separate_shader_objects , dummy_true , GL , 2010)
- EXT(ARB_shader_atomic_counters , ARB_shader_atomic_counters , GL , 2011)
- EXT(ARB_shader_bit_encoding , ARB_shader_bit_encoding , GL , 2010)
- EXT(ARB_shader_clock , ARB_shader_clock , GL , 2015)
- EXT(ARB_shader_image_load_store , ARB_shader_image_load_store , GL , 2011)
- EXT(ARB_shader_image_size , ARB_shader_image_size , GL , 2012)
- EXT(ARB_shader_objects , dummy_true , GL , 2002)
- EXT(ARB_shader_precision , ARB_shader_precision , GL , 2010)
- EXT(ARB_shader_stencil_export , ARB_shader_stencil_export , GL , 2009)
- EXT(ARB_shader_storage_buffer_object , ARB_shader_storage_buffer_object , GL , 2012)
- EXT(ARB_shader_subroutine , ARB_shader_subroutine , GLC , 2010)
- EXT(ARB_shader_texture_image_samples , ARB_shader_texture_image_samples , GL , 2014)
- EXT(ARB_shader_texture_lod , ARB_shader_texture_lod , GL , 2009)
- EXT(ARB_shading_language_100 , dummy_true , GLL , 2003)
- EXT(ARB_shading_language_packing , ARB_shading_language_packing , GL , 2011)
- EXT(ARB_shading_language_420pack , ARB_shading_language_420pack , GL , 2011)
- EXT(ARB_shadow , ARB_shadow , GLL , 2001)
- EXT(ARB_stencil_texturing , ARB_stencil_texturing , GL , 2012)
- EXT(ARB_sync , ARB_sync , GL , 2003)
- EXT(ARB_texture_barrier , NV_texture_barrier , GL , 2014)
- EXT(ARB_tessellation_shader , ARB_tessellation_shader , GLC , 2009)
- EXT(ARB_texture_border_clamp , ARB_texture_border_clamp , GLL , 2000)
- EXT(ARB_texture_buffer_object , ARB_texture_buffer_object , GLC , 2008)
- EXT(ARB_texture_buffer_object_rgb32 , ARB_texture_buffer_object_rgb32 , GLC , 2009)
- EXT(ARB_texture_buffer_range , ARB_texture_buffer_range , GLC , 2012)
- EXT(ARB_texture_compression , dummy_true , GLL , 2000)
- EXT(ARB_texture_compression_bptc , ARB_texture_compression_bptc , GL , 2010)
- EXT(ARB_texture_compression_rgtc , ARB_texture_compression_rgtc , GL , 2004)
- EXT(ARB_texture_cube_map , ARB_texture_cube_map , GLL , 1999)
- EXT(ARB_texture_cube_map_array , ARB_texture_cube_map_array , GL , 2009)
- EXT(ARB_texture_env_add , dummy_true , GLL , 1999)
- EXT(ARB_texture_env_combine , ARB_texture_env_combine , GLL , 2001)
- EXT(ARB_texture_env_crossbar , ARB_texture_env_crossbar , GLL , 2001)
- EXT(ARB_texture_env_dot3 , ARB_texture_env_dot3 , GLL , 2001)
- EXT(ARB_texture_float , ARB_texture_float , GL , 2004)
- EXT(ARB_texture_gather , ARB_texture_gather , GL , 2009)
- EXT(ARB_texture_mirrored_repeat , dummy_true , GLL , 2001)
- EXT(ARB_texture_mirror_clamp_to_edge , ARB_texture_mirror_clamp_to_edge , GL , 2013)
- EXT(ARB_texture_multisample , ARB_texture_multisample , GL , 2009)
- EXT(ARB_texture_non_power_of_two , ARB_texture_non_power_of_two , GL , 2003)
- EXT(ARB_texture_query_levels , ARB_texture_query_levels , GL , 2012)
- EXT(ARB_texture_query_lod , ARB_texture_query_lod , GL , 2009)
- EXT(ARB_texture_rectangle , NV_texture_rectangle , GL , 2004)
- EXT(ARB_texture_rgb10_a2ui , ARB_texture_rgb10_a2ui , GL , 2009)
- EXT(ARB_texture_rg , ARB_texture_rg , GL , 2008)
- EXT(ARB_texture_stencil8 , ARB_texture_stencil8 , GL , 2013)
- EXT(ARB_texture_storage , dummy_true , GL , 2011)
- EXT(ARB_texture_storage_multisample , ARB_texture_multisample , GL , 2012)
- EXT(ARB_texture_view , ARB_texture_view , GL , 2012)
- EXT(ARB_texture_swizzle , EXT_texture_swizzle , GL , 2008)
- EXT(ARB_timer_query , ARB_timer_query , GL , 2010)
- EXT(ARB_transform_feedback2 , ARB_transform_feedback2 , GL , 2010)
- EXT(ARB_transform_feedback3 , ARB_transform_feedback3 , GL , 2010)
- EXT(ARB_transform_feedback_instanced , ARB_transform_feedback_instanced , GL , 2011)
- EXT(ARB_transpose_matrix , dummy_true , GLL , 1999)
- EXT(ARB_uniform_buffer_object , ARB_uniform_buffer_object , GL , 2009)
- EXT(ARB_vertex_array_bgra , EXT_vertex_array_bgra , GL , 2008)
- EXT(ARB_vertex_array_object , dummy_true , GL , 2006)
- EXT(ARB_vertex_attrib_binding , dummy_true , GL , 2012)
- EXT(ARB_vertex_buffer_object , dummy_true , GLL , 2003)
- EXT(ARB_vertex_program , ARB_vertex_program , GLL , 2002)
- EXT(ARB_vertex_shader , ARB_vertex_shader , GL , 2002)
- EXT(ARB_vertex_attrib_64bit , ARB_vertex_attrib_64bit , GLC , 2010)
- EXT(ARB_vertex_type_10f_11f_11f_rev , ARB_vertex_type_10f_11f_11f_rev , GL , 2013)
- EXT(ARB_vertex_type_2_10_10_10_rev , ARB_vertex_type_2_10_10_10_rev , GL , 2009)
- EXT(ARB_viewport_array , ARB_viewport_array , GLC , 2010)
- EXT(ARB_window_pos , dummy_true , GLL , 2001)
-
- EXT(EXT_abgr , dummy_true , GL , 1995)
- EXT(EXT_bgra , dummy_true , GLL , 1995)
- EXT(EXT_blend_color , EXT_blend_color , GLL , 1995)
- EXT(EXT_blend_equation_separate , EXT_blend_equation_separate , GL , 2003)
- EXT(EXT_blend_func_separate , EXT_blend_func_separate , GLL , 1999)
- EXT(EXT_buffer_storage , ARB_buffer_storage , ES31 , 2015)
- EXT(EXT_discard_framebuffer , dummy_true , ES1 | ES2 , 2009)
- EXT(EXT_blend_minmax , EXT_blend_minmax , GLL | ES1 | ES2 , 1995)
- EXT(EXT_blend_subtract , dummy_true , GLL , 1995)
- EXT(EXT_compiled_vertex_array , dummy_true , GLL , 1996)
- EXT(EXT_copy_texture , dummy_true , GLL , 1995)
- EXT(EXT_depth_bounds_test , EXT_depth_bounds_test , GL , 2002)
- EXT(EXT_draw_buffers , dummy_true , ES2 , 2012)
- EXT(EXT_draw_buffers2 , EXT_draw_buffers2 , GL , 2006)
- EXT(EXT_draw_elements_base_vertex , ARB_draw_elements_base_vertex , ES2 , 2014)
- EXT(EXT_draw_instanced , ARB_draw_instanced , GL , 2006)
- EXT(EXT_draw_range_elements , dummy_true , GLL , 1997)
- EXT(EXT_fog_coord , dummy_true , GLL , 1999)
- EXT(EXT_framebuffer_blit , dummy_true , GL , 2005)
- EXT(EXT_framebuffer_multisample , EXT_framebuffer_multisample , GL , 2005)
- EXT(EXT_framebuffer_multisample_blit_scaled , EXT_framebuffer_multisample_blit_scaled, GL , 2011)
- EXT(EXT_framebuffer_object , dummy_true , GLL , 2000)
- EXT(EXT_framebuffer_sRGB , EXT_framebuffer_sRGB , GL , 1998)
- EXT(EXT_gpu_program_parameters , EXT_gpu_program_parameters , GLL , 2006)
- EXT(EXT_gpu_shader4 , EXT_gpu_shader4 , GL , 2006)
- EXT(EXT_map_buffer_range , ARB_map_buffer_range , ES1 | ES2 , 2012)
- EXT(EXT_multi_draw_arrays , dummy_true , GLL | ES1 | ES2 , 1999)
- EXT(EXT_packed_depth_stencil , dummy_true , GL , 2005)
- EXT(EXT_packed_float , EXT_packed_float , GL , 2004)
- EXT(EXT_packed_pixels , dummy_true , GLL , 1997)
- EXT(EXT_pixel_buffer_object , EXT_pixel_buffer_object , GL , 2004)
- EXT(EXT_point_parameters , EXT_point_parameters , GLL , 1997)
- EXT(EXT_polygon_offset , dummy_true , GLL , 1995)
- EXT(EXT_polygon_offset_clamp , EXT_polygon_offset_clamp , GL , 2014)
- EXT(EXT_provoking_vertex , EXT_provoking_vertex , GL , 2009)
- EXT(EXT_rescale_normal , dummy_true , GLL , 1997)
- EXT(EXT_secondary_color , dummy_true , GLL , 1999)
- EXT(EXT_separate_shader_objects , dummy_true , ES2 , 2013)
- EXT(EXT_separate_specular_color , dummy_true , GLL , 1997)
- EXT(EXT_shader_integer_mix , EXT_shader_integer_mix , GL | ES3 , 2013)
- EXT(EXT_shadow_funcs , ARB_shadow , GLL , 2002)
- EXT(EXT_stencil_two_side , EXT_stencil_two_side , GLL , 2001)
- EXT(EXT_stencil_wrap , dummy_true , GLL , 2002)
- EXT(EXT_subtexture , dummy_true , GLL , 1995)
- EXT(EXT_texture3D , EXT_texture3D , GLL , 1996)
- EXT(EXT_texture_array , EXT_texture_array , GL , 2006)
- EXT(EXT_texture_compression_dxt1 , ANGLE_texture_compression_dxt , GL | ES1 | ES2 , 2004)
- EXT(ANGLE_texture_compression_dxt3 , ANGLE_texture_compression_dxt , GL | ES1 | ES2 , 2011)
- EXT(ANGLE_texture_compression_dxt5 , ANGLE_texture_compression_dxt , GL | ES1 | ES2 , 2011)
- EXT(EXT_texture_compression_latc , EXT_texture_compression_latc , GLL , 2006)
- EXT(EXT_texture_compression_rgtc , ARB_texture_compression_rgtc , GL , 2004)
- EXT(EXT_texture_compression_s3tc , EXT_texture_compression_s3tc , GL , 2000)
- EXT(EXT_texture_cube_map , ARB_texture_cube_map , GLL , 2001)
- EXT(EXT_texture_edge_clamp , dummy_true , GLL , 1997)
- EXT(EXT_texture_env_add , dummy_true , GLL , 1999)
- EXT(EXT_texture_env_combine , dummy_true , GLL , 2000)
- EXT(EXT_texture_env_dot3 , EXT_texture_env_dot3 , GLL , 2000)
- EXT(EXT_texture_filter_anisotropic , EXT_texture_filter_anisotropic , GL | ES1 | ES2 , 1999)
- EXT(EXT_texture_format_BGRA8888 , dummy_true , ES1 | ES2 , 2005)
- EXT(EXT_texture_rg , ARB_texture_rg , ES2 , 2011)
- EXT(EXT_read_format_bgra , dummy_true , ES1 | ES2 , 2009)
- EXT(EXT_texture_integer , EXT_texture_integer , GL , 2006)
- EXT(EXT_texture_lod_bias , dummy_true , GLL | ES1 , 1999)
- EXT(EXT_texture_mirror_clamp , EXT_texture_mirror_clamp , GL , 2004)
- EXT(EXT_texture_object , dummy_true , GLL , 1995)
- EXT(EXT_texture , dummy_true , GLL , 1996)
- EXT(EXT_texture_rectangle , NV_texture_rectangle , GLL , 2004)
- EXT(EXT_texture_shared_exponent , EXT_texture_shared_exponent , GL , 2004)
- EXT(EXT_texture_snorm , EXT_texture_snorm , GL , 2009)
- EXT(EXT_texture_sRGB , EXT_texture_sRGB , GL , 2004)
- EXT(EXT_texture_sRGB_decode , EXT_texture_sRGB_decode , GL , 2006)
- EXT(EXT_texture_swizzle , EXT_texture_swizzle , GL , 2008)
- EXT(EXT_texture_type_2_10_10_10_REV , dummy_true , ES2 , 2008)
- EXT(EXT_timer_query , EXT_timer_query , GL , 2006)
- EXT(EXT_transform_feedback , EXT_transform_feedback , GL , 2011)
- EXT(EXT_unpack_subimage , dummy_true , ES2 , 2011)
- EXT(EXT_vertex_array_bgra , EXT_vertex_array_bgra , GL , 2008)
- EXT(EXT_vertex_array , dummy_true , GLL , 1995)
- EXT(EXT_color_buffer_float , dummy_true , ES3 , 2013)
-
-
- EXT(OES_blend_equation_separate , EXT_blend_equation_separate , ES1 , 2009)
- EXT(OES_blend_func_separate , EXT_blend_func_separate , ES1 , 2009)
- EXT(OES_blend_subtract , dummy_true , ES1 , 2009)
- EXT(OES_byte_coordinates , dummy_true , ES1 , 2002)
- EXT(OES_compressed_ETC1_RGB8_texture , OES_compressed_ETC1_RGB8_texture , ES1 | ES2 , 2005)
- EXT(OES_compressed_paletted_texture , dummy_true , ES1 , 2003)
- EXT(OES_depth24 , dummy_true , ES1 | ES2 , 2005)
- EXT(OES_depth32 , dummy_false , DISABLE , 2005)
- EXT(OES_depth_texture , ARB_depth_texture , ES2 , 2006)
- EXT(OES_depth_texture_cube_map , OES_depth_texture_cube_map , ES2 , 2012)
- EXT(OES_draw_elements_base_vertex , ARB_draw_elements_base_vertex , ES2 , 2014)
- EXT(OES_draw_texture , OES_draw_texture , ES1 , 2004)
- EXT(OES_EGL_sync , dummy_true , ES1 | ES2 , 2010)
- EXT(OES_EGL_image , OES_EGL_image , GL | ES1 | ES2 , 2006) /* FIXME: Mesa expects GL_OES_EGL_image to be available in OpenGL contexts. */
- EXT(OES_EGL_image_external , OES_EGL_image_external , ES1 | ES2 , 2010)
- EXT(OES_element_index_uint , dummy_true , ES1 | ES2 , 2005)
- EXT(OES_fbo_render_mipmap , dummy_true , ES1 | ES2 , 2005)
- EXT(OES_fixed_point , dummy_true , ES1 , 2002)
- EXT(OES_framebuffer_object , dummy_true , ES1 , 2005)
- EXT(OES_get_program_binary , dummy_true , ES2 , 2008)
- EXT(OES_mapbuffer , dummy_true , ES1 | ES2 , 2005)
- EXT(OES_packed_depth_stencil , dummy_true , ES1 | ES2 , 2007)
- EXT(OES_point_size_array , dummy_true , ES1 , 2004)
- EXT(OES_point_sprite , ARB_point_sprite , ES1 , 2004)
- EXT(OES_query_matrix , dummy_true , ES1 , 2003)
- EXT(OES_read_format , dummy_true , GL | ES1 , 2003)
- EXT(OES_rgb8_rgba8 , dummy_true , ES1 | ES2 , 2005)
- EXT(OES_single_precision , dummy_true , ES1 , 2003)
- EXT(OES_standard_derivatives , OES_standard_derivatives , ES2 , 2005)
- EXT(OES_stencil1 , dummy_false , DISABLE , 2005)
- EXT(OES_stencil4 , dummy_false , DISABLE , 2005)
- EXT(OES_stencil8 , dummy_true , ES1 | ES2 , 2005)
- EXT(OES_stencil_wrap , dummy_true , ES1 , 2002)
- EXT(OES_surfaceless_context , dummy_true , ES1 | ES2 , 2012)
- EXT(OES_texture_3D , EXT_texture3D , ES2 , 2005)
- EXT(OES_texture_cube_map , ARB_texture_cube_map , ES1 , 2007)
- EXT(OES_texture_env_crossbar , ARB_texture_env_crossbar , ES1 , 2005)
- EXT(OES_texture_float , OES_texture_float , ES2 , 2005)
- EXT(OES_texture_float_linear , OES_texture_float_linear , ES2 , 2005)
- EXT(OES_texture_half_float , OES_texture_half_float , ES2 , 2005)
- EXT(OES_texture_half_float_linear , OES_texture_half_float_linear , ES2 , 2005)
- EXT(OES_texture_mirrored_repeat , dummy_true , ES1 , 2005)
- EXT(OES_texture_storage_multisample_2d_array, ARB_texture_multisample , ES31 , 2014)
- EXT(OES_texture_npot , ARB_texture_non_power_of_two , ES1 | ES2 , 2005)
- EXT(OES_vertex_array_object , dummy_true , ES1 | ES2 , 2010)
-
-
- EXT(KHR_debug , dummy_true , GL , 2012)
- EXT(KHR_context_flush_control , dummy_true , GL | ES2 , 2014)
- EXT(KHR_texture_compression_astc_hdr , KHR_texture_compression_astc_hdr , GL | ES2 , 2012)
- EXT(KHR_texture_compression_astc_ldr , KHR_texture_compression_astc_ldr , GL | ES2 , 2012)
-
-
- EXT(3DFX_texture_compression_FXT1 , TDFX_texture_compression_FXT1 , GL , 1999)
- EXT(AMD_conservative_depth , ARB_conservative_depth , GL , 2009)
- EXT(AMD_draw_buffers_blend , ARB_draw_buffers_blend , GL , 2009)
- EXT(AMD_performance_monitor , AMD_performance_monitor , GL , 2007)
- EXT(AMD_pinned_memory , AMD_pinned_memory , GL , 2013)
- EXT(AMD_seamless_cubemap_per_texture , AMD_seamless_cubemap_per_texture , GL , 2009)
- EXT(AMD_shader_stencil_export , ARB_shader_stencil_export , GL , 2009)
- EXT(AMD_shader_trinary_minmax , dummy_true , GL , 2012)
- EXT(AMD_vertex_shader_layer , AMD_vertex_shader_layer , GLC , 2012)
- EXT(AMD_vertex_shader_viewport_index , AMD_vertex_shader_viewport_index , GLC , 2012)
- EXT(APPLE_object_purgeable , APPLE_object_purgeable , GL , 2006)
- EXT(APPLE_packed_pixels , dummy_true , GLL , 2002)
- EXT(APPLE_texture_max_level , dummy_true , ES1 | ES2 , 2009)
- EXT(APPLE_vertex_array_object , dummy_true , GLL , 2002)
- EXT(ATI_blend_equation_separate , EXT_blend_equation_separate , GL , 2003)
- EXT(ATI_draw_buffers , dummy_true , GLL , 2002)
- EXT(ATI_fragment_shader , ATI_fragment_shader , GLL , 2001)
- EXT(ATI_separate_stencil , ATI_separate_stencil , GLL , 2006)
- EXT(ATI_texture_compression_3dc , ATI_texture_compression_3dc , GLL , 2004)
- EXT(ATI_texture_env_combine3 , ATI_texture_env_combine3 , GLL , 2002)
- EXT(ATI_texture_float , ARB_texture_float , GL , 2002)
- EXT(ATI_texture_mirror_once , ATI_texture_mirror_once , GL , 2006)
- EXT(IBM_multimode_draw_arrays , dummy_true , GL , 1998)
- EXT(IBM_rasterpos_clip , dummy_true , GLL , 1996)
- EXT(IBM_texture_mirrored_repeat , dummy_true , GLL , 1998)
- EXT(INGR_blend_func_separate , EXT_blend_func_separate , GLL , 1999)
- EXT(INTEL_performance_query , INTEL_performance_query , GL | ES2 , 2013)
- EXT(MESA_pack_invert , MESA_pack_invert , GL , 2002)
- EXT(MESA_texture_signed_rgba , EXT_texture_snorm , GL , 2009)
- EXT(MESA_window_pos , dummy_true , GLL , 2000)
- EXT(MESA_ycbcr_texture , MESA_ycbcr_texture , GL , 2002)
- EXT(NV_blend_square , dummy_true , GLL , 1999)
- EXT(NV_conditional_render , NV_conditional_render , GL , 2008)
- EXT(NV_depth_clamp , ARB_depth_clamp , GL , 2001)
- EXT(NV_draw_buffers , dummy_true , ES2 , 2011)
- EXT(NV_fbo_color_attachments , dummy_true , ES2 , 2010)
- EXT(NV_fog_distance , NV_fog_distance , GLL , 2001)
- EXT(NV_fragment_program_option , NV_fragment_program_option , GLL , 2005)
- EXT(NV_light_max_exponent , dummy_true , GLL , 1999)
- EXT(NV_packed_depth_stencil , dummy_true , GL , 2000)
- EXT(NV_point_sprite , NV_point_sprite , GL , 2001)
- EXT(NV_primitive_restart , NV_primitive_restart , GLL , 2002)
- EXT(NV_read_buffer , dummy_true , ES2 , 2011)
- EXT(NV_read_depth , dummy_true , ES2 , 2011)
- EXT(NV_read_depth_stencil , dummy_true , ES2 , 2011)
- EXT(NV_read_stencil , dummy_true , ES2 , 2011)
- EXT(NV_texgen_reflection , dummy_true , GLL , 1999)
- EXT(NV_texture_barrier , NV_texture_barrier , GL , 2009)
- EXT(NV_texture_env_combine4 , NV_texture_env_combine4 , GLL , 1999)
- EXT(NV_texture_rectangle , NV_texture_rectangle , GLL , 2000)
- EXT(NV_vdpau_interop , NV_vdpau_interop , GL , 2010)
- EXT(S3_s3tc , ANGLE_texture_compression_dxt , GL , 1999)
- EXT(SGIS_generate_mipmap , dummy_true , GLL , 1997)
- EXT(SGIS_texture_border_clamp , ARB_texture_border_clamp , GLL , 1997)
- EXT(SGIS_texture_edge_clamp , dummy_true , GLL , 1997)
- EXT(SGIS_texture_lod , dummy_true , GLL , 1997)
- EXT(SUN_multi_draw_arrays , dummy_true , GLL , 1999)
-#undef EXT
-};
-
+static int
+extension_name_compare(const void *name, const void *elem)
+{
+ const struct mesa_extension *entry = elem;
+ return strcmp(name, entry->name);
+}
/**
* Given an extension name, lookup up the corresponding member of struct
- * gl_extensions and return that member's offset (in bytes). If the name is
- * not found in the \c extension_table, return 0.
+ * gl_extensions and return that member's index. If the name is
+ * not found in the \c _mesa_extension_table, return -1.
*
* \param name Name of extension.
- * \return Offset of member in struct gl_extensions.
+ * \return Index of member in struct gl_extensions.
*/
-static size_t
-name_to_offset(const char* name)
+static int
+name_to_index(const char* name)
{
- unsigned i;
+ const struct mesa_extension *entry;
- if (name == 0)
- return 0;
+ if (!name)
+ return -1;
- for (i = 0; i < ARRAY_SIZE(extension_table); ++i) {
- if (strcmp(name, extension_table[i].name) == 0)
- return extension_table[i].offset;
- }
+ entry = bsearch(name,
+ _mesa_extension_table, MESA_EXTENSION_COUNT,
+ sizeof(_mesa_extension_table[0]),
+ extension_name_compare);
+
+ if (entry)
+ return entry - _mesa_extension_table;
- return 0;
+ return -1;
}
/**
* Overrides extensions in \c ctx based on the values in
* _mesa_extension_override_enables and _mesa_extension_override_disables.
*/
-static void
-override_extensions_in_context(struct gl_context *ctx)
+void
+_mesa_override_extensions(struct gl_context *ctx)
{
unsigned i;
const GLboolean *enables =
(GLboolean*) &_mesa_extension_override_disables;
GLboolean *ctx_ext = (GLboolean*)&ctx->Extensions;
- for (i = 0; i < ARRAY_SIZE(extension_table); ++i) {
- size_t offset = extension_table[i].offset;
+ for (i = 0; i < MESA_EXTENSION_COUNT; ++i) {
+ size_t offset = _mesa_extension_table[i].offset;
assert(!enables[offset] || !disables[offset]);
if (enables[offset]) {
ctx->Extensions.ARB_texture_env_combine = GL_TRUE;
ctx->Extensions.ARB_texture_env_crossbar = GL_TRUE;
ctx->Extensions.ARB_texture_env_dot3 = GL_TRUE;
-#ifdef TEXTURE_FLOAT_ENABLED
+ ctx->Extensions.ARB_texture_filter_anisotropic = GL_TRUE;
ctx->Extensions.ARB_texture_float = GL_TRUE;
-#endif
ctx->Extensions.ARB_texture_mirror_clamp_to_edge = GL_TRUE;
ctx->Extensions.ARB_texture_non_power_of_two = GL_TRUE;
ctx->Extensions.ARB_texture_rg = GL_TRUE;
ctx->Extensions.ATI_texture_compression_3dc = GL_TRUE;
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_gpu_program_parameters = GL_TRUE;
ctx->Extensions.OES_standard_derivatives = GL_TRUE;
ctx->Extensions.TDFX_texture_compression_FXT1 = GL_TRUE;
- if (ctx->Mesa_DXTn) {
- ctx->Extensions.ANGLE_texture_compression_dxt = GL_TRUE;
- ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
- }
+ ctx->Extensions.ANGLE_texture_compression_dxt = GL_TRUE;
+ ctx->Extensions.EXT_texture_compression_s3tc = GL_TRUE;
}
/**
* \return offset of extensions withint `ext' or 0 if extension is not known
*/
static size_t
-set_extension(struct gl_extensions *ext, const char *name, GLboolean state)
+set_extension(struct gl_extensions *ext, int i, GLboolean state)
{
size_t offset;
- offset = name_to_offset(name);
+ offset = i < 0 ? 0 : _mesa_extension_table[i].offset;
if (offset != 0 && (offset != o(dummy_true) || state != GL_FALSE)) {
((GLboolean *) ext)[offset] = state;
}
return offset;
}
-/**
- * \brief Apply the \c MESA_EXTENSION_OVERRIDE environment variable.
- *
- * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
- * enable or disable. The list is processed thus:
- * - Enable recognized extension names that are prefixed with '+'.
- * - Disable recognized extension names that are prefixed with '-'.
- * - Enable recognized extension names that are not prefixed.
- * - Collect unrecognized extension names in a new string.
- *
- * \c MESA_EXTENSION_OVERRIDE was previously parsed during
- * _mesa_one_time_init_extension_overrides. We just use the results of that
- * parsing in this function.
- *
- * \return Space-separated list of unrecognized extension names (which must
- * be freed). Does not return \c NULL.
- */
-static char *
-get_extension_override( struct gl_context *ctx )
-{
- override_extensions_in_context(ctx);
-
- if (cant_disable_extensions != NULL) {
- _mesa_problem(ctx,
- "Trying to disable permanently enabled extensions: %s",
- cant_disable_extensions);
- }
-
- if (extra_extensions == NULL) {
- return calloc(1, sizeof(char));
- } else {
- _mesa_problem(ctx, "Trying to enable unknown extensions: %s",
- extra_extensions);
- return strdup(extra_extensions);
- }
-}
-
/**
- * \brief Free extra_extensions and cant_disable_extensions strings
+ * \brief Free string pointed by unrecognized_extensions
*
- * These strings are allocated early during the first context creation by
+ * This string is allocated early during the first context creation by
* _mesa_one_time_init_extension_overrides.
*/
static void
free_unknown_extensions_strings(void)
{
- free(extra_extensions);
- free(cant_disable_extensions);
+ free(unrecognized_extensions.env);
+ for (int i = 0; i < MAX_UNRECOGNIZED_EXTENSIONS; ++i)
+ unrecognized_extensions.names[i] = NULL;
}
/**
- * \brief Initialize extension override tables.
+ * \brief Initialize extension override tables based on \c MESA_EXTENSION_OVERRIDE
*
* This should be called one time early during first context initialization.
+
+ * \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
+ * enable or disable. The list is processed thus:
+ * - Enable recognized extension names that are prefixed with '+'.
+ * - Disable recognized extension names that are prefixed with '-'.
+ * - Enable recognized extension names that are not prefixed.
+ * - Collect unrecognized extension names in a new string.
*/
void
_mesa_one_time_init_extension_overrides(void)
const char *env_const = getenv("MESA_EXTENSION_OVERRIDE");
char *env;
char *ext;
- int len;
size_t offset;
-
- atexit(free_unknown_extensions_strings);
+ unsigned unknown_ext = 0;
memset(&_mesa_extension_override_enables, 0, sizeof(struct gl_extensions));
memset(&_mesa_extension_override_disables, 0, sizeof(struct gl_extensions));
return;
}
- /* extra_exts: List of unrecognized extensions. */
- extra_extensions = calloc(ALIGN(strlen(env_const) + 2, 4), sizeof(char));
- cant_disable_extensions = calloc(ALIGN(strlen(env_const) + 2, 4), sizeof(char));
-
/* Copy env_const because strtok() is destructive. */
env = strdup(env_const);
- if (env == NULL || extra_extensions == NULL ||
- cant_disable_extensions == NULL) {
- free(env);
- free(extra_extensions);
- free(cant_disable_extensions);
- return;
- }
+ if (env == NULL)
+ return;
for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
int enable;
+ int i;
bool recognized;
switch (ext[0]) {
case '+':
break;
}
- offset = set_extension(&_mesa_extension_override_enables, ext, enable);
- if (offset != 0 && (offset != o(dummy_true) || enable != GL_FALSE)) {
- ((GLboolean *) &_mesa_extension_override_disables)[offset] = !enable;
+ i = name_to_index(ext);
+ offset = set_extension(&_mesa_extension_override_enables, i, enable);
+ offset = set_extension(&_mesa_extension_override_disables, i, !enable);
+ if (offset != 0)
recognized = true;
- } else {
+ else
recognized = false;
- }
- if (!recognized) {
- if (enable) {
- strcat(extra_extensions, ext);
- strcat(extra_extensions, " ");
- } else if (offset == o(dummy_true)) {
- strcat(cant_disable_extensions, ext);
- strcat(cant_disable_extensions, " ");
+ if (!recognized && enable) {
+ if (unknown_ext >= MAX_UNRECOGNIZED_EXTENSIONS) {
+ static bool warned;
+
+ if (!warned) {
+ warned = true;
+ _mesa_problem(NULL, "Trying to enable too many unknown extension. "
+ "Only the first %d will be honoured",
+ MAX_UNRECOGNIZED_EXTENSIONS);
+ }
+ } else {
+ unrecognized_extensions.names[unknown_ext] = ext;
+ unknown_ext++;
+ _mesa_problem(NULL, "Trying to enable unknown extension: %s", ext);
}
}
}
- free(env);
-
- /* Remove trailing space, and free if unused. */
- len = strlen(extra_extensions);
- if (len == 0) {
- free(extra_extensions);
- extra_extensions = NULL;
- } else if (extra_extensions[len - 1] == ' ') {
- extra_extensions[len - 1] = '\0';
- }
- len = strlen(cant_disable_extensions);
- if (len == 0) {
- free(cant_disable_extensions);
- cant_disable_extensions = NULL;
- } else if (cant_disable_extensions[len - 1] == ' ') {
- cant_disable_extensions[len - 1] = '\0';
+ if (!unknown_ext) {
+ free(env);
+ } else {
+ unrecognized_extensions.env = env;
+ atexit(free_unknown_extensions_strings);
}
}
/* Then, selectively turn default extensions on. */
extensions->dummy_true = GL_TRUE;
- extensions->EXT_texture3D = GL_TRUE;
}
typedef unsigned short extension_index;
+/**
+ * Given an extension enum, return whether or not the extension is supported
+ * dependent on the following factors:
+ * There's driver support and the OpenGL/ES version is at least that
+ * specified in the _mesa_extension_table.
+ */
+static inline bool
+_mesa_extension_supported(const struct gl_context *ctx, extension_index i)
+{
+ const bool *base = (bool *) &ctx->Extensions;
+ const struct mesa_extension *ext = _mesa_extension_table + i;
+
+ return (ctx->Version >= ext->version[ctx->API]) && base[ext->offset];
+}
+
/**
* Compare two entries of the extensions table. Sorts first by year,
* then by name.
*
- * Arguments are indices into extension_table.
+ * Arguments are indices into _mesa_extension_table.
*/
static int
extension_compare(const void *p1, const void *p2)
{
extension_index i1 = * (const extension_index *) p1;
extension_index i2 = * (const extension_index *) p2;
- const struct extension *e1 = &extension_table[i1];
- const struct extension *e2 = &extension_table[i2];
+ const struct mesa_extension *e1 = &_mesa_extension_table[i1];
+ const struct mesa_extension *e2 = &_mesa_extension_table[i2];
int res;
res = (int)e1->year - (int)e2->year;
/* Number of extensions */
unsigned count;
/* Indices of the extensions sorted by year */
- extension_index *extension_indices;
- /* String of extra extensions. */
- char *extra_extensions = get_extension_override(ctx);
- GLboolean *base = (GLboolean *) &ctx->Extensions;
+ extension_index extension_indices[MESA_EXTENSION_COUNT];
unsigned k;
unsigned j;
unsigned maxYear = ~0;
- unsigned api_set = (1 << ctx->API);
- if (_mesa_is_gles3(ctx))
- api_set |= ES3;
- if (_mesa_is_gles31(ctx))
- api_set |= ES31;
/* Check if the MESA_EXTENSION_MAX_YEAR env var is set */
{
/* Compute length of the extension string. */
count = 0;
- for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
- const struct extension *i = extension_table + k;
+ for (k = 0; k < MESA_EXTENSION_COUNT; ++k) {
+ const struct mesa_extension *i = _mesa_extension_table + k;
- if (base[i->offset] &&
- i->year <= maxYear &&
- (i->api_set & api_set)) {
+ if (i->year <= maxYear &&
+ _mesa_extension_supported(ctx, k)) {
length += strlen(i->name) + 1; /* +1 for space */
++count;
}
}
- if (extra_extensions != NULL)
- length += 1 + strlen(extra_extensions); /* +1 for space */
+ for (k = 0; k < MAX_UNRECOGNIZED_EXTENSIONS; k++)
+ if (unrecognized_extensions.names[k])
+ length += 1 + strlen(unrecognized_extensions.names[k]); /* +1 for space */
exts = calloc(ALIGN(length + 1, 4), sizeof(char));
if (exts == NULL) {
- free(extra_extensions);
- return NULL;
- }
-
- extension_indices = malloc(count * sizeof(extension_index));
- if (extension_indices == NULL) {
- free(exts);
- free(extra_extensions);
return NULL;
}
- /* Sort extensions in chronological order because certain old applications
- * (e.g., Quake3 demo) store the extension list in a static size buffer so
- * chronologically order ensure that the extensions that such applications
- * expect will fit into that buffer.
+ /* Sort extensions in chronological order because idTech 2/3 games
+ * (e.g., Quake3 demo) store the extension list in a fixed size buffer.
+ * Some cases truncate, while others overflow the buffer. Resulting in
+ * misrendering and crashes, respectively.
+ * Address the former here, while the latter will be addressed by setting
+ * the MESA_EXTENSION_MAX_YEAR environment variable.
*/
j = 0;
- for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
- const struct extension *i = extension_table + k;
-
- if (base[i->offset] &&
- i->year <= maxYear &&
- (i->api_set & api_set)) {
+ for (k = 0; k < MESA_EXTENSION_COUNT; ++k) {
+ if (_mesa_extension_table[k].year <= maxYear &&
+ _mesa_extension_supported(ctx, k)) {
extension_indices[j++] = k;
}
}
/* Build the extension string.*/
for (j = 0; j < count; ++j) {
- const struct extension *i = &extension_table[extension_indices[j]];
- assert(base[i->offset] && (i->api_set & api_set));
+ const struct mesa_extension *i = &_mesa_extension_table[extension_indices[j]];
+ assert(_mesa_extension_supported(ctx, extension_indices[j]));
strcat(exts, i->name);
strcat(exts, " ");
}
- free(extension_indices);
- if (extra_extensions != 0) {
- strcat(exts, extra_extensions);
- free(extra_extensions);
+ for (j = 0; j < MAX_UNRECOGNIZED_EXTENSIONS; j++) {
+ if (unrecognized_extensions.names[j]) {
+ strcat(exts, unrecognized_extensions.names[j]);
+ strcat(exts, " ");
+ }
}
return (GLubyte *) exts;
GLuint
_mesa_get_extension_count(struct gl_context *ctx)
{
- GLboolean *base;
unsigned k;
- unsigned api_set = (1 << ctx->API);
- if (_mesa_is_gles3(ctx))
- api_set |= ES3;
- if (_mesa_is_gles31(ctx))
- api_set |= ES31;
/* only count once */
if (ctx->Extensions.Count != 0)
return ctx->Extensions.Count;
- base = (GLboolean *) &ctx->Extensions;
- for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
- const struct extension *i = extension_table + k;
-
- if (base[i->offset] && (i->api_set & api_set)) {
+ for (k = 0; k < MESA_EXTENSION_COUNT; ++k) {
+ if (_mesa_extension_supported(ctx, k))
ctx->Extensions.Count++;
- }
+ }
+
+ for (k = 0; k < MAX_UNRECOGNIZED_EXTENSIONS; ++k) {
+ if (unrecognized_extensions.names[k])
+ ctx->Extensions.Count++;
}
return ctx->Extensions.Count;
}
const GLubyte *
_mesa_get_enabled_extension(struct gl_context *ctx, GLuint index)
{
- const GLboolean *base;
- size_t n;
- unsigned k;
- unsigned api_set = (1 << ctx->API);
- if (_mesa_is_gles3(ctx))
- api_set |= ES3;
- if (_mesa_is_gles31(ctx))
- api_set |= ES31;
-
- base = (GLboolean*) &ctx->Extensions;
- n = 0;
- for (k = 0; k < ARRAY_SIZE(extension_table); ++k) {
- const struct extension *i = extension_table + k;
-
- if (base[i->offset] && (i->api_set & api_set)) {
+ size_t n = 0;
+ unsigned i;
+
+ for (i = 0; i < MESA_EXTENSION_COUNT; ++i) {
+ if (_mesa_extension_supported(ctx, i)) {
if (n == index)
- return (const GLubyte*) i->name;
+ return (const GLubyte*) _mesa_extension_table[i].name;
else
++n;
}
}
+ for (i = 0; i < MAX_UNRECOGNIZED_EXTENSIONS; ++i) {
+ if (unrecognized_extensions.names[i]) {
+ if (n == index)
+ return (const GLubyte*) unrecognized_extensions.names[i];
+ else
+ ++n;
+ }
+ }
return NULL;
}