# OpenGL Core and Compatibility context support
-OpenGL 3.1 and later versions are only supported with the Core profile.
-There are no plans to support GL_ARB_compatibility. The last supported OpenGL
-version with all deprecated features is 3.0. Some of the later GL features
-are exposed in the 3.0 context as extensions.
+Some drivers do not support the Compatibility profile or the
+ARB_compatibility extensions. If an application does not request a
+specific version without the forward-compatiblity flag, such drivers
+will be limited to OpenGL 3.0. If an application requests OpenGL 3.1,
+it will get a context that may or may not have the ARB_compatibility
+extension enabled. Some of the later GL features are exposed in the 3.0
+context as extensions.
Feature Status
------------------------------------------------------- ------------------------
-GL 3.0, GLSL 1.30 --- all DONE: freedreno, i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr
+GL 3.0, GLSL 1.30 --- all DONE: freedreno, i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr, virgl
glBindFragDataLocation, glGetFragDataLocation DONE
GL_NV_conditional_render (Conditional rendering) DONE ()
(*) freedreno, llvmpipe, softpipe, and swr have fake Multisample anti-aliasing support
-GL 3.1, GLSL 1.40 --- all DONE: freedreno, i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr
+GL 3.1, GLSL 1.40 --- all DONE: freedreno, i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr, virgl
Forward compatible context support/deprecations DONE ()
GL_ARB_draw_instanced (Instanced drawing) DONE ()
GL_EXT_texture_snorm (Signed normalized textures) DONE ()
-GL 3.2, GLSL 1.50 --- all DONE: i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr
+GL 3.2, GLSL 1.50 --- all DONE: i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, swr, virgl
Core/compatibility profiles DONE
Geometry shaders DONE ()
GLX_ARB_create_context_profile DONE
-GL 3.3, GLSL 3.30 --- all DONE: i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe
+GL 3.3, GLSL 3.30 --- all DONE: i965, nv50, nvc0, r600, radeonsi, llvmpipe, softpipe, virgl
GL_ARB_blend_func_extended DONE (freedreno/a3xx, swr)
GL_ARB_explicit_attrib_location DONE (all drivers that support GLSL)
GL_ARB_vertex_type_2_10_10_10_rev DONE (freedreno, swr)
-GL 4.0, GLSL 4.00 --- all DONE: i965/gen7+, nvc0, r600, radeonsi
+GL 4.0, GLSL 4.00 --- all DONE: i965/gen7+, nvc0, r600, radeonsi, virgl
GL_ARB_draw_buffers_blend DONE (freedreno, i965/gen6+, nv50, llvmpipe, softpipe, swr)
GL_ARB_draw_indirect DONE (freedreno, i965/gen7+, llvmpipe, softpipe, swr)
GL_ARB_transform_feedback3 DONE (i965/gen7+, llvmpipe, softpipe, swr)
-GL 4.1, GLSL 4.10 --- all DONE: i965/gen7+, nvc0, r600, radeonsi
+GL 4.1, GLSL 4.10 --- all DONE: i965/gen7+, nvc0, r600, radeonsi, virgl
GL_ARB_ES2_compatibility DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr)
GL_ARB_get_program_binary DONE (0 or 1 binary formats)
GL 4.2, GLSL 4.20 -- all DONE: i965/gen7+, nvc0, r600, radeonsi
- GL_ARB_texture_compression_bptc DONE (freedreno, i965)
+ GL_ARB_texture_compression_bptc DONE (freedreno, i965, virgl)
GL_ARB_compressed_texture_pixel_storage DONE (all drivers)
GL_ARB_shader_atomic_counters DONE (freedreno/a5xx, i965, softpipe)
GL_ARB_texture_storage DONE (all drivers)
- GL_ARB_transform_feedback_instanced DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr)
- GL_ARB_base_instance DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr)
+ GL_ARB_transform_feedback_instanced DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_base_instance DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr, virgl)
GL_ARB_shader_image_load_store DONE (freedreno/a5xx, i965, softpipe)
GL_ARB_conservative_depth DONE (all drivers that support GLSL 1.30)
GL_ARB_shading_language_420pack DONE (all drivers that support GLSL 1.30)
GL_ARB_shading_language_packing DONE (all drivers)
- GL_ARB_internalformat_query DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr)
+ GL_ARB_internalformat_query DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr, virgl)
GL_ARB_map_buffer_alignment DONE (all drivers)
GL_ARB_copy_image DONE (i965, nv50, softpipe, llvmpipe)
GL_KHR_debug DONE (all drivers)
GL_ARB_explicit_uniform_location DONE (all drivers that support GLSL)
- GL_ARB_fragment_layer_viewport DONE (i965, nv50, llvmpipe, softpipe)
+ GL_ARB_fragment_layer_viewport DONE (i965, nv50, llvmpipe, softpipe, virgl)
GL_ARB_framebuffer_no_attachments DONE (freedreno, i965, softpipe)
GL_ARB_internalformat_query2 DONE (all drivers)
GL_ARB_invalidate_subdata DONE (all drivers)
- GL_ARB_multi_draw_indirect DONE (freedreno, i965, llvmpipe, softpipe, swr)
+ GL_ARB_multi_draw_indirect DONE (freedreno, i965, llvmpipe, softpipe, swr, virgl)
GL_ARB_program_interface_query DONE (all drivers)
GL_ARB_robust_buffer_access_behavior DONE (i965)
GL_ARB_shader_image_size DONE (freedreno/a5xx, i965, softpipe)
GL_ARB_shader_storage_buffer_object DONE (freedreno/a5xx, i965, softpipe)
- GL_ARB_stencil_texturing DONE (freedreno, i965/hsw+, nv50, llvmpipe, softpipe, swr)
- GL_ARB_texture_buffer_range DONE (freedreno, nv50, i965, llvmpipe)
+ GL_ARB_stencil_texturing DONE (freedreno, i965/hsw+, nv50, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_texture_buffer_range DONE (freedreno, nv50, i965, llvmpipe, virgl)
GL_ARB_texture_query_levels DONE (all drivers that support GLSL 1.30)
GL_ARB_texture_storage_multisample DONE (all drivers that support GL_ARB_texture_multisample)
GL_ARB_texture_view DONE (freedreno, i965, nv50, llvmpipe, softpipe, swr)
GL_ARB_vertex_attrib_binding DONE (all drivers)
-GL 4.4, GLSL 4.40 -- all DONE: i965/gen8+, nvc0, radeonsi
+GL 4.4, GLSL 4.40 -- all DONE: i965/gen8+, nvc0, r600, radeonsi
GL_MAX_VERTEX_ATTRIB_STRIDE DONE (all drivers)
- GL_ARB_buffer_storage DONE (freedreno, i965, nv50, r600, llvmpipe, swr)
- GL_ARB_clear_texture DONE (i965, nv50, r600, llvmpipe, softpipe, swr)
- GL_ARB_enhanced_layouts DONE (i965, nv50, r600, llvmpipe, softpipe)
+ GL_ARB_buffer_storage DONE (freedreno, i965, nv50, llvmpipe, swr)
+ GL_ARB_clear_texture DONE (i965, nv50, llvmpipe, softpipe, swr)
+ GL_ARB_enhanced_layouts DONE (i965, nv50, llvmpipe, softpipe)
- compile-time constant expressions DONE
- explicit byte offsets for blocks DONE
- forced alignment within blocks DONE
- input/output block locations DONE
GL_ARB_multi_bind DONE (all drivers)
GL_ARB_query_buffer_object DONE (i965/hsw+)
- GL_ARB_texture_mirror_clamp_to_edge DONE (i965, nv50, r600, llvmpipe, softpipe, swr)
- GL_ARB_texture_stencil8 DONE (freedreno, i965/hsw+, nv50, r600, llvmpipe, softpipe, swr)
- GL_ARB_vertex_type_10f_11f_11f_rev DONE (i965, nv50, r600, llvmpipe, softpipe, swr)
+ GL_ARB_texture_mirror_clamp_to_edge DONE (i965, nv50, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_texture_stencil8 DONE (freedreno, i965/hsw+, nv50, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_vertex_type_10f_11f_11f_rev DONE (i965, nv50, llvmpipe, softpipe, swr, virgl)
GL 4.5, GLSL 4.50 -- all DONE: nvc0, radeonsi
GL_ARB_ES3_1_compatibility DONE (i965/hsw+, r600)
GL_ARB_clip_control DONE (freedreno, i965, nv50, r600, llvmpipe, softpipe, swr)
- GL_ARB_conditional_render_inverted DONE (freedreno, i965, nv50, r600, llvmpipe, softpipe, swr)
- GL_ARB_cull_distance DONE (i965, nv50, r600, llvmpipe, softpipe, swr)
- GL_ARB_derivative_control DONE (i965, nv50, r600)
+ GL_ARB_conditional_render_inverted DONE (freedreno, i965, nv50, r600, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_cull_distance DONE (i965, nv50, r600, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_derivative_control DONE (i965, nv50, r600, virgl)
GL_ARB_direct_state_access DONE (all drivers)
GL_ARB_get_texture_sub_image DONE (all drivers)
GL_ARB_shader_texture_image_samples DONE (i965, nv50, r600)
GL_ARB_gl_spirv in progress (Nicolai Hähnle, Ian Romanick)
GL_ARB_indirect_parameters DONE (i965/gen7+, nvc0, radeonsi)
GL_ARB_pipeline_statistics_query DONE (i965, nvc0, r600, radeonsi, llvmpipe, softpipe, swr)
- GL_ARB_polygon_offset_clamp DONE (freedreno, i965, nv50, nvc0, r600, radeonsi, llvmpipe, swr)
+ GL_ARB_polygon_offset_clamp DONE (freedreno, i965, nv50, nvc0, r600, radeonsi, llvmpipe, swr, virgl)
GL_ARB_shader_atomic_counter_ops DONE (freedreno/a5xx, i965/gen7+, nvc0, r600, radeonsi, softpipe)
GL_ARB_shader_draw_parameters DONE (i965, nvc0, radeonsi)
GL_ARB_shader_group_vote DONE (i965, nvc0, radeonsi)
GL_ARB_spirv_extensions in progress (Nicolai Hähnle, Ian Romanick)
GL_ARB_texture_filter_anisotropic DONE (freedreno, i965, nv50, nvc0, r600, radeonsi, softpipe (*), llvmpipe (*))
- GL_ARB_transform_feedback_overflow_query DONE (i965/gen6+, radeonsi, llvmpipe, softpipe)
+ GL_ARB_transform_feedback_overflow_query DONE (i965/gen6+, nvc0, radeonsi, llvmpipe, softpipe, virgl)
GL_KHR_no_error DONE (all drivers)
(*) softpipe and llvmpipe advertise 16x anisotropy but simply ignore the setting
GL_ARB_arrays_of_arrays DONE (all drivers that support GLSL 1.30)
GL_ARB_compute_shader DONE (freedreno/a5xx, i965/gen7+, softpipe)
- GL_ARB_draw_indirect DONE (freedreno, i965/gen7+, llvmpipe, softpipe, swr)
+ GL_ARB_draw_indirect DONE (freedreno, i965/gen7+, llvmpipe, softpipe, swr, virgl)
GL_ARB_explicit_uniform_location DONE (all drivers that support GLSL)
GL_ARB_framebuffer_no_attachments DONE (freedreno, i965/gen7+, softpipe)
GL_ARB_program_interface_query DONE (all drivers)
GL_ARB_shader_storage_buffer_object DONE (freedreno/a5xx, i965/gen7+, softpipe)
GL_ARB_shading_language_packing DONE (all drivers)
GL_ARB_separate_shader_objects DONE (all drivers)
- GL_ARB_stencil_texturing DONE (freedreno, nv50, llvmpipe, softpipe, swr)
- GL_ARB_texture_multisample (Multisample textures) DONE (i965/gen7+, nv50, llvmpipe, softpipe)
+ GL_ARB_stencil_texturing DONE (freedreno, nv50, llvmpipe, softpipe, swr, virgl)
+ GL_ARB_texture_multisample (Multisample textures) DONE (i965/gen7+, nv50, llvmpipe, softpipe, virgl)
GL_ARB_texture_storage_multisample DONE (all drivers that support GL_ARB_texture_multisample)
GL_ARB_vertex_attrib_binding DONE (all drivers)
- GS5 Enhanced textureGather DONE (freedreno, i965/gen7+,)
- GS5 Packing/bitfield/conversion functions DONE (i965/gen6+)
+ GS5 Enhanced textureGather DONE (freedreno, i965/gen7+,virgl)
+ GS5 Packing/bitfield/conversion functions DONE (i965/gen6+,virgl)
GL_EXT_shader_integer_mix DONE (all drivers that support GLSL)
Additional functionality not covered above:
GLES3.2, GLSL ES 3.2 -- all DONE: i965/gen9+
GL_EXT_color_buffer_float DONE (all drivers)
- GL_KHR_blend_equation_advanced DONE (i965, nvc0)
+ GL_KHR_blend_equation_advanced DONE (i965, nvc0, radeonsi)
GL_KHR_debug DONE (all drivers)
GL_KHR_robustness DONE (i965, nvc0, radeonsi)
GL_KHR_texture_compression_astc_ldr DONE (freedreno, i965/gen9+)
GL_ARB_cl_event not started
GL_ARB_compute_variable_group_size DONE (nvc0, radeonsi)
GL_ARB_ES3_2_compatibility DONE (i965/gen8+)
- GL_ARB_fragment_shader_interlock not started
+ GL_ARB_fragment_shader_interlock DONE (i965)
GL_ARB_gpu_shader_int64 DONE (i965/gen8+, nvc0, radeonsi, softpipe, llvmpipe)
GL_ARB_parallel_shader_compile not started, but Chia-I Wu did some related work in 2014
- GL_ARB_post_depth_coverage DONE (i965)
+ GL_ARB_post_depth_coverage DONE (i965, nvc0)
GL_ARB_robustness_isolation not started
- GL_ARB_sample_locations not started
- GL_ARB_seamless_cubemap_per_texture DONE (i965, nvc0, radeonsi, r600, softpipe, swr)
+ GL_ARB_sample_locations DONE (nvc0)
+ GL_ARB_seamless_cubemap_per_texture DONE (i965, nvc0, radeonsi, r600, softpipe, swr, virgl)
GL_ARB_shader_ballot DONE (i965/gen8+, nvc0, radeonsi)
GL_ARB_shader_clock DONE (i965/gen7+, nv50, nvc0, r600, radeonsi)
- GL_ARB_shader_stencil_export DONE (i965/gen9+, r600, radeonsi, softpipe, llvmpipe, swr)
+ GL_ARB_shader_stencil_export DONE (i965/gen9+, r600, radeonsi, softpipe, llvmpipe, swr, virgl)
GL_ARB_shader_viewport_layer_array DONE (i965/gen6+, nvc0, radeonsi)
GL_ARB_sparse_buffer DONE (radeonsi/CIK+)
GL_ARB_sparse_texture not started
GL_EXT_memory_object DONE (radeonsi)
GL_EXT_memory_object_fd DONE (radeonsi)
GL_EXT_memory_object_win32 not started
- GL_EXT_semaphore not started
- GL_EXT_semaphore_fd not started
+ GL_EXT_semaphore DONE (radeonsi)
+ GL_EXT_semaphore_fd DONE (radeonsi)
GL_EXT_semaphore_win32 not started
GL_KHR_blend_equation_advanced_coherent DONE (i965/gen9+)
GL_KHR_texture_compression_astc_hdr DONE (i965/bxt)
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