I'd like to ignore GL version and extension requirements in extensions,
because they are sometimes added due to laziness of extension authors and
the requirements can be unreasonable.

Marek

On Sat, May 19, 2018 at 9:18 AM, Benedikt Schemmer <b...@besd.de> wrote:

> These are just a few extensions for which I had the specifications handy,
> to
> get a feel for what this might look like.
>
> It's already been pointed out that applications might fail because of this.
>
> (I haven't found an application that does yet but I can only test on
> 64-bit)
> The argument for this change would be that its ok if the application fails
> because it does something unexpected and its better to let it explicitly
> fail
> and create a workaround for it than to just silently hope that everything
> is
> going to be alright.
>
> CC: "Marek Olšák" <mar...@gmail.com>
> CC: Eric Anholt <e...@anholt.net>
> CC: Emil Velikov <emil.l.veli...@gmail.com>
> CC: Timothy Arceri <tarc...@itsqueeze.com>
> CC: Ilia Mirkin <imir...@alum.mit.edu>
>
> Signed-off-by: Benedikt Schemmer <b...@besd.de>
> ---
>  src/mesa/main/extensions_table.h | 98 ++++++++++++++++++++++--------
> ----------
>  1 file changed, 53 insertions(+), 45 deletions(-)
>
> diff --git a/src/mesa/main/extensions_table.h b/src/mesa/main/extensions_
> table.h
> index 931e0d4d33..6e3bdbe99c 100644
> --- a/src/mesa/main/extensions_table.h
> +++ b/src/mesa/main/extensions_table.h
> @@ -6,7 +6,8 @@
>  #define ANYES2 0
>  #define   x   ~0
>
> -//EXT(name_str                              , driver_cap
>            ,GLL_ver,GLC_ver, gles_ver, glES2_ver, yyyy)
> +//highest GLL_ver = 46, lowest GLC_ver = 30
> +//EXT(name_str                              , driver_cap
>            ,GLL_ver,GLC_ver, gles_ver, glES2_ver, year)
>  EXT(3DFX_texture_compression_FXT1           ,
> TDFX_texture_compression_FXT1          , ANYGLL, ANYGLC,   x   ,   x   ,
> 1999)
>
>  EXT(AMD_conservative_depth                  , ARB_conservative_depth
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> @@ -31,60 +32,62 @@ EXT(APPLE_texture_max_level                 ,
> dummy_true
>  EXT(ARB_ES2_compatibility                   , ARB_ES2_compatibility
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_ES3_1_compatibility                 , ARB_ES3_1_compatibility
>             ,   x   , ANYGLC,   x   ,   x   , 2014)
>  EXT(ARB_ES3_2_compatibility                 , ARB_ES3_2_compatibility
>             ,   x   , ANYGLC,   x   ,   x   , 2015)
> -EXT(ARB_ES3_compatibility                   , ARB_ES3_compatibility
>             , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> -EXT(ARB_arrays_of_arrays                    , ARB_arrays_of_arrays
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> +EXT(ARB_ES3_compatibility                   , ARB_ES3_compatibility
>             ,  33   ,  33   ,   x   ,   x   , 2012) // requires
> ARB_ES2_compatibility, ARB_invalidate_subdata, ARB_texture_storage,
> OES_compressed_*
> +EXT(ARB_arrays_of_arrays                    , ARB_arrays_of_arrays
>            ,  12   ,  12   ,   x   ,   x   , 2012)
>  EXT(ARB_base_instance                       , ARB_base_instance
>             , ANYGLL, ANYGLC,   x   ,   x   , 2011)
>  EXT(ARB_bindless_texture                    , ARB_bindless_texture
>            , ANYGLL, ANYGLC,   x   ,   x   , 2013)
>  EXT(ARB_blend_func_extended                 , ARB_blend_func_extended
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_buffer_storage                      , ARB_buffer_storage
>            , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> +//EXT(ARB_cl_event                            , ARB_cl_event
>              ,  31   ,  31   ,   x   ,   x   , 2013) // requires GL_ARB_sync
>  EXT(ARB_clear_buffer_object                 , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
>  EXT(ARB_clear_texture                       , ARB_clear_texture
>             , ANYGLL, ANYGLC,   x   ,   x   , 2013)
>  EXT(ARB_clip_control                        , ARB_clip_control
>            , ANYGLL, ANYGLC,   x   ,   x   , 2014)
>  EXT(ARB_color_buffer_float                  , ARB_color_buffer_float
>            , ANYGLL, ANYGLC,   x   ,   x   , 2004)
>  EXT(ARB_compatibility                       , ARB_compatibility
>             , ANYGLL,   x   ,   x   ,   x   , 2009)
>  EXT(ARB_compressed_texture_pixel_storage    , dummy_true
>              , ANYGLL, ANYGLC,   x   ,   x   , 2011)
> -EXT(ARB_compute_shader                      , ARB_compute_shader
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> -EXT(ARB_compute_variable_group_size         , ARB_compute_variable_group_size
>       , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> +EXT(ARB_compute_shader                      , ARB_compute_shader
>            ,  42   ,  42   ,   x   ,   x   , 2012)
> +EXT(ARB_compute_variable_group_size         , ARB_compute_variable_group_size
>       ,  42   ,  42   ,   x   ,   x   , 2013) //or ARB compute shader
>  EXT(ARB_conditional_render_inverted         , ARB_conditional_render_inverted
>       , ANYGLL, ANYGLC,   x   ,   x   , 2014)
>  EXT(ARB_conservative_depth                  , ARB_conservative_depth
>            , ANYGLL, ANYGLC,   x   ,   x   , 2011)
>  EXT(ARB_copy_buffer                         , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2008)
> -EXT(ARB_copy_image                          , ARB_copy_image
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> -EXT(ARB_cull_distance                       , ARB_cull_distance
>             , ANYGLL, ANYGLC,   x   ,   x   , 2014)
> -EXT(ARB_debug_output                        , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> +EXT(ARB_copy_image                          , ARB_copy_image
>            ,  11   ,  11   ,   x   ,   x   , 2012)
> +EXT(ARB_cull_distance                       , ARB_cull_distance
>             ,  30   ,  30   ,   x   ,   x   , 2014)
> +EXT(ARB_debug_output                        , dummy_true
>            ,  11   ,  11   ,   x   ,   x   , 2009)
>  EXT(ARB_depth_buffer_float                  , ARB_depth_buffer_float
>            , ANYGLL, ANYGLC,   x   ,   x   , 2008)
>  EXT(ARB_depth_clamp                         , ARB_depth_clamp
>             , ANYGLL, ANYGLC,   x   ,   x   , 2003)
> -EXT(ARB_depth_texture                       , ARB_depth_texture
>             , ANYGLL,   x   ,   x   ,   x   , 2001)
> -EXT(ARB_derivative_control                  , ARB_derivative_control
>            , ANYGLL, ANYGLC,   x   ,   x   , 2014)
> -EXT(ARB_direct_state_access                 , dummy_true
>            ,   x   , ANYGLC,   x   ,   x   , 2014)
> +EXT(ARB_depth_texture                       , ARB_depth_texture
>             ,  11   ,   x   ,   x   ,   x   , 2001)
> +EXT(ARB_derivative_control                  , ARB_derivative_control
>            ,  40   ,  40   ,   x   ,   x   , 2014)
> +EXT(ARB_direct_state_access                 , dummy_true
>            ,   x   ,  20   ,   x   ,   x   , 2014)
>  EXT(ARB_draw_buffers                        , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2002)
>  EXT(ARB_draw_buffers_blend                  , ARB_draw_buffers_blend
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_draw_elements_base_vertex           ,
> ARB_draw_elements_base_vertex          , ANYGLL, ANYGLC,   x   ,   x   ,
> 2009)
>  EXT(ARB_draw_indirect                       , ARB_draw_indirect
>             ,   x   , ANYGLC,   x   ,   x   , 2010)
> -EXT(ARB_draw_instanced                      , ARB_draw_instanced
>            , ANYGLL, ANYGLC,   x   ,   x   , 2008)
> -EXT(ARB_enhanced_layouts                    , ARB_enhanced_layouts
>            , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_explicit_attrib_location            ,
> ARB_explicit_attrib_location           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2009)
> +EXT(ARB_draw_instanced                      , ARB_draw_instanced
>            ,  20   ,  20   ,   x   ,   x   , 2008) // EXT_gpu_shader4 or
> NV_vertex_program4 or OpenGL 3.0 is required
> +EXT(ARB_enhanced_layouts                    , ARB_enhanced_layouts
>            ,  31   ,  31   ,   x   ,   x   , 2013)
> +EXT(ARB_explicit_attrib_location            ,
> ARB_explicit_attrib_location           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2009) //GL_ARB_vertex_shader is always available
>  EXT(ARB_explicit_uniform_location           ,
> ARB_explicit_uniform_location          , ANYGLL, ANYGLC,   x   ,   x   ,
> 2012)
>  EXT(ARB_fragment_coord_conventions          ,
> ARB_fragment_coord_conventions         , ANYGLL, ANYGLC,   x   ,   x   ,
> 2009)
>  EXT(ARB_fragment_layer_viewport             ,
> ARB_fragment_layer_viewport            ,   x   , ANYGLC,   x   ,   x   ,
> 2012)
>  EXT(ARB_fragment_program                    , ARB_fragment_program
>            , ANYGLL,   x   ,   x   ,   x   , 2002)
>  EXT(ARB_fragment_program_shadow             ,
> ARB_fragment_program_shadow            , ANYGLL,   x   ,   x   ,   x   ,
> 2003)
>  EXT(ARB_fragment_shader                     , ARB_fragment_shader
>             , ANYGLL, ANYGLC,   x   ,   x   , 2002)
> -EXT(ARB_framebuffer_no_attachments          ,
> ARB_framebuffer_no_attachments         , ANYGLL, ANYGLC,   x   ,   x   ,
> 2012)
> -EXT(ARB_framebuffer_object                  , ARB_framebuffer_object
>            , ANYGLL, ANYGLC,   x   ,   x   , 2005)
> +//EXT(ARB_fragment_shader_interlock           ,
> ARB_fragment_shader_interlock          ,  42   ,  42   ,   x   ,   x   ,
> 2015)
> +EXT(ARB_framebuffer_no_attachments          ,
> ARB_framebuffer_no_attachments         ,  11   ,  11   ,   x   ,   x   ,
> 2012) // requires ARB_framebuffer_object
> +EXT(ARB_framebuffer_object                  , ARB_framebuffer_object
>            ,  11   ,  11   ,   x   ,   x   , 2005)
>  EXT(ARB_framebuffer_sRGB                    , EXT_framebuffer_sRGB
>            , ANYGLL, ANYGLC,   x   ,   x   , 1998)
>  EXT(ARB_get_program_binary                  , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2010)
> -EXT(ARB_get_texture_sub_image               , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2014)
> -EXT(ARB_gl_spirv                            , ARB_gl_spirv
>            ,   x   , ANYGLC,   x   ,   x   , 2016)
> -EXT(ARB_gpu_shader5                         , ARB_gpu_shader5
>             ,  32   ,  40   ,   x   ,   x   , 2010)
> -EXT(ARB_gpu_shader_fp64                     , ARB_gpu_shader_fp64
>             ,   x   , ANYGLC,   x   ,   x   , 2010)
> -EXT(ARB_gpu_shader_int64                    , ARB_gpu_shader_int64
>            ,   x   , ANYGLC,   x   ,   x   , 2015)
> -EXT(ARB_half_float_pixel                    , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2003)
> +EXT(ARB_get_texture_sub_image               , dummy_true
>            ,  20   ,  20   ,   x   ,   x   , 2014)
> +EXT(ARB_gl_spirv                            , ARB_gl_spirv
>            ,   x   ,  33   ,   x   ,   x   , 2016)
> +EXT(ARB_gpu_shader5                         , ARB_gpu_shader5
>             ,  30   ,  30   ,   x   ,   x   , 2010)
> +EXT(ARB_gpu_shader_fp64                     , ARB_gpu_shader_fp64
>             ,  32   ,  32   ,   x   ,   x   , 2010)
> +EXT(ARB_gpu_shader_int64                    , ARB_gpu_shader_int64
>            ,   x   ,  40   ,   x   ,   x   , 2015)
> +EXT(ARB_half_float_pixel                    , dummy_true
>            ,  15   ,  15   ,   x   ,   x   , 2003)
>  EXT(ARB_half_float_vertex                   , ARB_half_float_vertex
>             , ANYGLL, ANYGLC,   x   ,   x   , 2008)
> -EXT(ARB_indirect_parameters                 , ARB_indirect_parameters
>             ,   x   , ANYGLC,   x   ,   x   , 2013)
> +EXT(ARB_indirect_parameters                 , ARB_indirect_parameters
>             ,   x   ,  42   ,   x   ,   x   , 2013)
>  EXT(ARB_instanced_arrays                    , ARB_instanced_arrays
>            , ANYGLL, ANYGLC,   x   ,   x   , 2008)
>  EXT(ARB_internalformat_query                , ARB_internalformat_query
>            , ANYGLL, ANYGLC,   x   ,   x   , 2011)
>  EXT(ARB_internalformat_query2               , ARB_internalformat_query2
>             , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_invalidate_subdata                  , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> +EXT(ARB_invalidate_subdata                  , dummy_true
>            ,  20   ,  20   ,   x   ,   x   , 2012)
>  EXT(ARB_map_buffer_alignment                , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2011)
>  EXT(ARB_map_buffer_range                    , ARB_map_buffer_range
>            , ANYGLL, ANYGLC,   x   ,   x   , 2008)
>  EXT(ARB_multi_bind                          , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> @@ -97,27 +100,28 @@ EXT(ARB_pipeline_statistics_query           ,
> ARB_pipeline_statistics_query
>  EXT(ARB_pixel_buffer_object                 , EXT_pixel_buffer_object
>             , ANYGLL, ANYGLC,   x   ,   x   , 2004)
>  EXT(ARB_point_parameters                    , EXT_point_parameters
>            , ANYGLL,   x   ,   x   ,   x   , 1997)
>  EXT(ARB_point_sprite                        , ARB_point_sprite
>            , ANYGLL, ANYGLC,   x   ,   x   , 2003)
> -EXT(ARB_polygon_offset_clamp                , ARB_polygon_offset_clamp
>            , ANYGLL, ANYGLC,   x   ,   x   , 2017)
> +EXT(ARB_polygon_offset_clamp                , ARB_polygon_offset_clamp
>            ,  33   ,  33   ,   x   ,   x   , 2017)
>  EXT(ARB_post_depth_coverage                 , ARB_post_depth_coverage
>             ,   x   , ANYGLC,   x   ,   x   , 2015)
>  EXT(ARB_program_interface_query             , dummy_true
>              , ANYGLL, ANYGLC,   x   ,   x   , 2012)
>  EXT(ARB_provoking_vertex                    , EXT_provoking_vertex
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_query_buffer_object                 , ARB_query_buffer_object
>             , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_robust_buffer_access_behavior       , 
> ARB_robust_buffer_access_behavior
>     , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> +EXT(ARB_robust_buffer_access_behavior       , 
> ARB_robust_buffer_access_behavior
>     , ANYGLL, ANYGLC,   x   ,   x   , 2012) // requires ARB_robustness
> extension
>  EXT(ARB_robustness                          , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2010)
> -EXT(ARB_sample_shading                      , ARB_sample_shading
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> +EXT(ARB_sample_shading                      , ARB_sample_shading
>            ,  20   ,  20   ,   x   ,   x   , 2009)
> +//EXT(ARB_sample_locations                    , ARB_sample_locations
>              ,   x   ,   x   ,   x   ,   x   , 2009
>  EXT(ARB_sampler_objects                     , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> -EXT(ARB_seamless_cube_map                   , ARB_seamless_cube_map
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> +EXT(ARB_seamless_cube_map                   , ARB_seamless_cube_map
>             ,  11   ,  11   ,   x   ,   x   , 2009) // requires
> ARB_texture_cube_map
>  EXT(ARB_seamless_cubemap_per_texture        , 
> AMD_seamless_cubemap_per_texture
>      , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_separate_shader_objects             , dummy_true
>              , ANYGLL, ANYGLC,   x   ,   x   , 2010)
> +EXT(ARB_separate_shader_objects             , dummy_true
>              , ANYGLL, ANYGLC,   x   ,   x   , 2010) // requires
> ARB_shader_objects
>  EXT(ARB_shader_atomic_counter_ops           ,
> ARB_shader_atomic_counter_ops          , ANYGLL, ANYGLC,   x   ,   x   ,
> 2015)
>  EXT(ARB_shader_atomic_counters              , ARB_shader_atomic_counters
>            , ANYGLL, ANYGLC,   x   ,   x   , 2011)
>  EXT(ARB_shader_ballot                       , ARB_shader_ballot
>             , ANYGLL, ANYGLC,   x   ,   x   , 2015)
>  EXT(ARB_shader_bit_encoding                 , ARB_shader_bit_encoding
>             , ANYGLL, ANYGLC,   x   ,   x   , 2010)
>  EXT(ARB_shader_clock                        , ARB_shader_clock
>            , ANYGLL, ANYGLC,   x   ,   x   , 2015)
>  EXT(ARB_shader_draw_parameters              , ARB_shader_draw_parameters
>            , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_shader_group_vote                   , ARB_shader_group_vote
>             , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_shader_image_load_store             ,
> ARB_shader_image_load_store            , ANYGLL, ANYGLC,   x   ,   x   ,
> 2011)
> -EXT(ARB_shader_image_size                   , ARB_shader_image_size
>             , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> +EXT(ARB_shader_group_vote                   , ARB_shader_group_vote
>             ,  42   ,  42   ,   x   ,   x   , 2013)
> +EXT(ARB_shader_image_load_store             ,
> ARB_shader_image_load_store            ,  30   ,  30   ,   x   ,   x   ,
> 2011)
> +EXT(ARB_shader_image_size                   , ARB_shader_image_size
>             ,  42   ,  42   ,   x   ,   x   , 2012)
>  EXT(ARB_shader_objects                      , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2002)
>  EXT(ARB_shader_precision                    , ARB_shader_precision
>            , ANYGLL, ANYGLC,   x   ,   x   , 2010)
>  EXT(ARB_shader_stencil_export               , ARB_shader_stencil_export
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> @@ -130,55 +134,59 @@ EXT(ARB_shading_language_100                ,
> dummy_true
>  EXT(ARB_shading_language_420pack            ,
> ARB_shading_language_420pack           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2011)
>  EXT(ARB_shading_language_packing            ,
> ARB_shading_language_packing           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2011)
>  EXT(ARB_shadow                              , ARB_shadow
>            , ANYGLL,   x   ,   x   ,   x   , 2001)
> +//EXT(ARB_shadow_ambient                      , ARB_shadow_ambient
>              ,  11   ,   x   ,   x   ,   x   , 2001) //requires ARB_shadow
>  EXT(ARB_sparse_buffer                       , ARB_sparse_buffer
>             , ANYGLL, ANYGLC,   x   ,   x   , 2014)
> +//EXT(ARB_sparse_texture                      , ARB_sparse_texture
>              ,  11   ,  11   ,   x   ,   x   , 2014)
> +//EXT(ARB_sparse_texture2                     , ARB_sparse_texture2
>               ,  11   ,  11   ,   x   ,   x   , 2014) // requires
> ARB_sparse_texture
> +//EXT(ARB_sparse_texture_clamp                ,
> ARB_sparse_texture_clamp               ,  11   ,  11   ,   x   ,   x   ,
> 2014) // requires ARB_sparse_texture2
>  EXT(ARB_stencil_texturing                   , ARB_stencil_texturing
>             , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> -EXT(ARB_sync                                , ARB_sync
>            , ANYGLL, ANYGLC,   x   ,   x   , 2003)
> +EXT(ARB_sync                                , ARB_sync
>            ,  31   ,  31   ,   x   ,   x   , 2003)
>  EXT(ARB_tessellation_shader                 , ARB_tessellation_shader
>             ,   x   , ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_texture_barrier                     , NV_texture_barrier
>            , ANYGLL, ANYGLC,   x   ,   x   , 2014)
>  EXT(ARB_texture_border_clamp                , ARB_texture_border_clamp
>            , ANYGLL,   x   ,   x   ,   x   , 2000)
>  EXT(ARB_texture_buffer_object               , ARB_texture_buffer_object
>             , ANYGLL, ANYGLC,   x   ,   x   , 2008)
>  EXT(ARB_texture_buffer_object_rgb32         , ARB_texture_buffer_object_rgb32
>       , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_texture_buffer_range                , ARB_texture_buffer_range
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> -EXT(ARB_texture_compression                 , dummy_true
>            , ANYGLL,   x   ,   x   ,   x   , 2000)
> -EXT(ARB_texture_compression_bptc            ,
> ARB_texture_compression_bptc           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2010)
> -EXT(ARB_texture_compression_rgtc            ,
> ARB_texture_compression_rgtc           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2004)
> +EXT(ARB_texture_compression                 , dummy_true
>            ,  11   ,   x   ,   x   ,   x   , 2000)
> +EXT(ARB_texture_compression_bptc            ,
> ARB_texture_compression_bptc           ,  11   ,  11   ,   x   ,   x   ,
> 2010)
> +EXT(ARB_texture_compression_rgtc            ,
> ARB_texture_compression_rgtc           ,  11   ,  11   ,   x   ,   x   ,
> 2004)  // requires ARB_texture_compression
>  EXT(ARB_texture_cube_map                    , ARB_texture_cube_map
>            , ANYGLL,   x   ,   x   ,   x   , 1999)
>  EXT(ARB_texture_cube_map_array              , ARB_texture_cube_map_array
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_texture_env_add                     , dummy_true
>            , ANYGLL,   x   ,   x   ,   x   , 1999)
>  EXT(ARB_texture_env_combine                 , ARB_texture_env_combine
>             , ANYGLL,   x   ,   x   ,   x   , 2001)
> -EXT(ARB_texture_env_crossbar                , ARB_texture_env_crossbar
>            , ANYGLL,   x   ,   x   ,   x   , 2001)
> +EXT(ARB_texture_env_crossbar                , ARB_texture_env_crossbar
>            ,  11   ,   x   ,   x   ,   x   , 2001) //why not core?
>  EXT(ARB_texture_env_dot3                    , ARB_texture_env_dot3
>            , ANYGLL,   x   ,   x   ,   x   , 2001)
>  EXT(ARB_texture_filter_anisotropic          ,
> ARB_texture_filter_anisotropic         , ANYGLL, ANYGLC,   x   ,   x   ,
> 2017)
>  EXT(ARB_texture_float                       , ARB_texture_float
>             , ANYGLL, ANYGLC,   x   ,   x   , 2004)
>  EXT(ARB_texture_gather                      , ARB_texture_gather
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> -EXT(ARB_texture_mirror_clamp_to_edge        ,
> ARB_texture_mirror_clamp_to_edge       , ANYGLL, ANYGLC,   x   ,   x   ,
> 2013)
> +EXT(ARB_texture_mirror_clamp_to_edge        ,
> ARB_texture_mirror_clamp_to_edge       ,  14   ,  14   ,   x   ,   x   ,
> 2013)
>  EXT(ARB_texture_mirrored_repeat             , dummy_true
>              , ANYGLL,   x   ,   x   ,   x   , 2001)
>  EXT(ARB_texture_multisample                 , ARB_texture_multisample
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_texture_non_power_of_two            ,
> ARB_texture_non_power_of_two           , ANYGLL, ANYGLC,   x   ,   x   ,
> 2003)
> -EXT(ARB_texture_query_levels                , ARB_texture_query_levels
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
> +EXT(ARB_texture_query_levels                , ARB_texture_query_levels
>            ,  30   ,  30   ,   x   ,   x   , 2012)
>  EXT(ARB_texture_query_lod                   , ARB_texture_query_lod
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> -EXT(ARB_texture_rectangle                   , NV_texture_rectangle
>            , ANYGLL, ANYGLC,   x   ,   x   , 2004)
> +EXT(ARB_texture_rectangle                   , NV_texture_rectangle
>            ,  11   ,  11   ,   x   ,   x   , 2004)
>  EXT(ARB_texture_rg                          , ARB_texture_rg
>            , ANYGLL, ANYGLC,   x   ,   x   , 2008)
>  EXT(ARB_texture_rgb10_a2ui                  , ARB_texture_rgb10_a2ui
>            , ANYGLL, ANYGLC,   x   ,   x   , 2009)
>  EXT(ARB_texture_stencil8                    , ARB_texture_stencil8
>            , ANYGLL, ANYGLC,   x   ,   x   , 2013)
> -EXT(ARB_texture_storage                     , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2011)
> +EXT(ARB_texture_storage                     , dummy_true
>            ,  12   ,  12   ,   x   ,   x   , 2011)
>  EXT(ARB_texture_storage_multisample         , ARB_texture_multisample
>             , ANYGLL, ANYGLC,   x   ,   x   , 2012)
>  EXT(ARB_texture_swizzle                     , EXT_texture_swizzle
>             , ANYGLL, ANYGLC,   x   ,   x   , 2008)
>  EXT(ARB_texture_view                        , ARB_texture_view
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
>  EXT(ARB_timer_query                         , ARB_timer_query
>             , ANYGLL, ANYGLC,   x   ,   x   , 2010)
>  EXT(ARB_transform_feedback2                 , ARB_transform_feedback2
>             , ANYGLL, ANYGLC,   x   ,   x   , 2010)
>  EXT(ARB_transform_feedback3                 , ARB_transform_feedback3
>             , ANYGLL, ANYGLC,   x   ,   x   , 2010)
> -EXT(ARB_transform_feedback_instanced        , 
> ARB_transform_feedback_instanced
>      , ANYGLL, ANYGLC,   x   ,   x   , 2011)
> +EXT(ARB_transform_feedback_instanced        , 
> ARB_transform_feedback_instanced
>      ,  20   ,  20   ,   x   ,   x   , 2011) // OpenGL 4.0 or the
> ARB_transform_feedback2 extension is required, OpenGL 3.1 or the
> ARB_draw_instanced extension is required
>  EXT(ARB_transform_feedback_overflow_query   , 
> ARB_transform_feedback_overflow_query
> , ANYGLL, ANYGLC,   x   ,   x   , 2014)
>  EXT(ARB_transpose_matrix                    , dummy_true
>            , ANYGLL,   x   ,   x   ,   x   , 1999)
>  EXT(ARB_uniform_buffer_object               , ARB_uniform_buffer_object
>             , ANYGLL, ANYGLC,   x   ,   x   , 2009)
> -EXT(ARB_vertex_array_bgra                   , EXT_vertex_array_bgra
>             , ANYGLL, ANYGLC,   x   ,   x   , 2008)
> +EXT(ARB_vertex_array_bgra                   , EXT_vertex_array_bgra
>             ,  11   ,  11   ,   x   ,   x   , 2008)
>  EXT(ARB_vertex_array_object                 , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2006)
>  EXT(ARB_vertex_attrib_64bit                 , ARB_vertex_attrib_64bit
>             ,   x   , ANYGLC,   x   ,   x   , 2010)
>  EXT(ARB_vertex_attrib_binding               , dummy_true
>            , ANYGLL, ANYGLC,   x   ,   x   , 2012)
>  EXT(ARB_vertex_buffer_object                , dummy_true
>            , ANYGLL,   x   ,   x   ,   x   , 2003)
> -EXT(ARB_vertex_program                      , ARB_vertex_program
>            , ANYGLL,   x   ,   x   ,   x   , 2002)
> -EXT(ARB_vertex_shader                       , ARB_vertex_shader
>             , ANYGLL, ANYGLC,   x   ,   x   , 2002)
> +EXT(ARB_vertex_program                      , ARB_vertex_program
>            ,  13   ,   x   ,   x   ,   x   , 2002)
> +EXT(ARB_vertex_shader                       , ARB_vertex_shader
>             , ANYGLL, ANYGLC,   x   ,   x   , 2002) // requires
> ARB_shader_objects
>  EXT(ARB_vertex_type_10f_11f_11f_rev         ,
> ARB_vertex_type_10f_11f_11f_rev        , ANYGLL, ANYGLC,   x   ,   x   ,
> 2013)
>  EXT(ARB_vertex_type_2_10_10_10_rev          ,
> ARB_vertex_type_2_10_10_10_rev         , ANYGLL, ANYGLC,   x   ,   x   ,
> 2009)
>  EXT(ARB_viewport_array                      , ARB_viewport_array
>            ,   x   , ANYGLC,   x   ,   x   , 2010)
> --
> 2.14.1
>
>
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