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This is the status of GL extension support in the virglrenderer code base.
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The initial codebase has GL3.3 feature complete.
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Some features don't require renderer support and are handled in the
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guest driver completely.
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Feature Status
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----------------------------------------------------- ------------------------
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GL 3.3, GLSL 3.30 --- renderer complete support.
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GL 4.0, GLSL 4.00 ---
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GL_ARB_draw_buffers_blend DONE
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GL_ARB_draw_indirect
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GL_ARB_gpu_shader5 in progress
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- 'precise' qualifier GUEST
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- Dynamically uniform sampler array indices
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- Dynamically uniform UBO array indices
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- Implicit signed -> unsigned conversions GUEST
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- Fused multiply-add
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- Packing/bitfield/conversion functions
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- Enhanced textureGather
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- Geometry shader instancing
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- Geometry shader multiple streams
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- Enhanced per-sample shading
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- Interpolation functions
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- New overload resolution rules GUEST
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GL_ARB_gpu_shader_fp64
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GL_ARB_sample_shading
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GL_ARB_shader_subroutine GUEST
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GL_ARB_tessellation_shader
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GL_ARB_texture_buffer_object_rgb32 DONE
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GL_ARB_texture_cube_map_array DONE
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GL_ARB_texture_gather
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GL_ARB_texture_query_lod
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GL_ARB_transform_feedback2 DONE
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GL_ARB_transform_feedback3 DONE
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GL 4.1, GLSL 4.10 ---
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GL_ARB_ES2_compatibility GUEST
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GL_ARB_get_program_binary GUEST
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GL_ARB_separate_shader_objects GUEST
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GL_ARB_shader_precision GUEST
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GL_ARB_vertex_attrib_64bit
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GL_ARB_viewport_array DONE
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GL 4.2, GLSL 4.20:
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GL_ARB_texture_compression_bptc DONE
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GL_ARB_compressed_texture_pixel_storage
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GL_ARB_shader_atomic_counters
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GL_ARB_texture_storage
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GL_ARB_transform_feedback_instanced
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GL_ARB_base_instance
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GL_ARB_shader_image_load_store
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GL_ARB_conservative_depth
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GL_ARB_shading_language_420pack
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GL_ARB_shading_language_packing
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GL_ARB_internalformat_query
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GL_ARB_map_buffer_alignment
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GL 4.3, GLSL 4.30:
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GL_ARB_arrays_of_arrays
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GL_ARB_ES3_compatibility
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GL_ARB_clear_buffer_object
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GL_ARB_compute_shader
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GL_ARB_copy_image
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GL_KHR_debug
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GL_ARB_explicit_uniform_location
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GL_ARB_fragment_layer_viewport
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GL_ARB_framebuffer_no_attachments
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GL_ARB_internalformat_query2
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GL_ARB_invalidate_subdata
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GL_ARB_multi_draw_indirect
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GL_ARB_program_interface_query
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GL_ARB_robust_buffer_access_behavior
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GL_ARB_shader_image_size
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GL_ARB_shader_storage_buffer_object
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GL_ARB_stencil_texturing DONE
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GL_ARB_texture_buffer_range
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GL_ARB_texture_query_levels
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GL_ARB_texture_storage_multisample
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GL_ARB_texture_view
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GL_ARB_vertex_attrib_binding GUEST
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GL 4.4, GLSL 4.40:
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GL_MAX_VERTEX_ATTRIB_STRIDE
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GL_ARB_buffer_storage
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GL_ARB_clear_texture
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GL_ARB_enhanced_layouts
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GL_ARB_multi_bind
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GL_ARB_query_buffer_object
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GL_ARB_texture_mirror_clamp_to_edge
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GL_ARB_texture_stencil8 DONE
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GL_ARB_vertex_type_10f_11f_11f_rev
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GL 4.5, GLSL 4.50:
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GL_ARB_ES3_1_compatibility
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GL_ARB_clip_control
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GL_ARB_conditional_render_inverted
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GL_ARB_cull_distance
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GL_ARB_derivative_control
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GL_ARB_direct_state_access GUEST
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GL_ARB_get_texture_sub_image
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GL_ARB_shader_texture_image_samples
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GL_ARB_texture_barrier
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GL_KHR_context_flush_control
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GL_KHR_robust_buffer_access_behavior
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GL_KHR_robustness
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GL_EXT_shader_integer_mix
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