2010-05-22 14:05:42 -06:00
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Status of OpenGL 3.x features in Mesa
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Note: when an item is marked as "DONE" it means all the core Mesa
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infrastructure is complete but it may be the case that few (if any) drivers
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implement the features.
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Feature Status
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----------------------------------------------------- ------------------------
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GL 3.0:
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GLSL changes (GL_EXT_gpu_shader4, etc) not started
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Conditional rendering (GL_NV_conditional_render) DONE (swrast & softpipe)
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2011-10-23 07:37:25 -06:00
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Map buffer subranges (GL_ARB_map_buffer_range) DONE
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2010-05-22 14:05:42 -06:00
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Float textures, renderbuffers some infrastructure done
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2011-10-23 07:37:25 -06:00
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(incl. GL_EXT_packed_float, GL_EXT_shared_exponent)
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2010-05-22 14:05:42 -06:00
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Framebuffer objects (GL_EXT_framebuffer_object) DONE
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Half-float some infrastructure done
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Multisample blit DONE
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2011-10-23 07:37:25 -06:00
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Non-normalized Integer texture/framebuffer formats ~50% done
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2010-05-22 14:05:42 -06:00
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1D/2D Texture arrays core Mesa, swrast done
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Packed depth/stencil formats DONE
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Per-buffer blend and masks (GL_EXT_draw_buffers2) DONE
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GL_EXT_texture_compression_rgtc not started
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2011-10-23 07:37:25 -06:00
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Red and red/green texture formats DONE (swrast, i965, gallium)
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Transform feedback (GL_EXT_transform_feedback) ~50% done
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glBindFragDataLocation, glGetFragDataLocation,
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glBindBufferRange, glBindBufferBase commands
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2010-05-22 14:05:42 -06:00
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Vertex array objects (GL_APPLE_vertex_array_object) DONE
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sRGB framebuffer format (GL_EXT_framebuffer_sRGB) not started
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2011-10-23 07:37:25 -06:00
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glClearBuffer commands DONE
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glGetStringi command DONE
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glTexParameterI, glGetTexParameterI commands DONE
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glVertexAttribI commands DONE (but converts int
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values to floats)
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2010-05-22 14:05:42 -06:00
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GL 3.1:
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GLSL 1.30 and 1.40 not started
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2011-10-23 07:37:25 -06:00
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Instanced drawing (GL_ARB_draw_instanced) ~50% done
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2010-05-22 14:05:42 -06:00
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Buffer copying (GL_ARB_copy_buffer) DONE
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2011-10-23 07:37:25 -06:00
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Primitive restart (GL_NV_primitive_restart) DONE (gallium)
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2010-05-22 14:05:42 -06:00
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16 vertex texture image units not started
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2011-10-23 07:37:25 -06:00
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Texture buffer objs (GL_ARB_texture_buffer_object) not started
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2010-05-22 14:05:42 -06:00
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Rectangular textures (GL_ARB_texture_rectangle) DONE
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Uniform buffer objs (GL_ARB_uniform_buffer_object) not started
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2011-10-23 07:37:25 -06:00
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Signed normalized texture formats ~50% done
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2010-05-22 14:05:42 -06:00
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GL 3.2:
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Core/compatibility profiles not started
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GLSL 1.50 not started
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Geometry shaders (GL_ARB_geometry_shader4) partially done (Zack)
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BGRA vertex order (GL_ARB_vertex_array_bgra) DONE
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Base vertex offset(GL_ARB_draw_elements_base_vertex) DONE
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2011-10-23 07:37:25 -06:00
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Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (swrast, gallium)
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2010-05-22 14:05:42 -06:00
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Provoking vertex (GL_ARB_provoking_vertex) DONE
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Seamless cubemaps (GL_ARB_seamless_cube_map) DONE, mostly?
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Multisample textures (GL_ARB_texture_multisample) not started
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Frag depth clamp (GL_ARB_depth_clamp) DONE
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Fence objects (GL_ARB_sync) DONE
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2011-10-23 07:37:25 -06:00
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GL 3.3:
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GLSL 3.30 not started
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GL_ARB_blend_func_extended not started
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GL_ARB_explicit_attrib_location DONE (swrast, i915, i965)
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GL_ARB_occlusion_query2 not started
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GL_ARB_sampler_objects not started
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GL_ARB_texture_rgb10_a2ui not started
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GL_ARB_texture_swizzle DONE (same as EXT version)
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GL_ARB_timer_query DONE (only Xlib sw driver)
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GL_ARB_instanced_arrays not started
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GL_ARB_vertex_type_2_10_10_10_rev not started
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GL 4.0:
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GLSL 4.0 not started
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GL_ARB_texture_query_lod not started
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GL_ARB_draw_buffers_blend not started
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GL_ARB_draw_indirect not started
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GL_ARB_gpu_shader_fp64 not started
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GL_ARB_sample_shading not started
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GL_ARB_shader_subroutine not started
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GL_ARB_tessellation_shader not started
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GL_ARB_texture_buffer_object_rgb32 not started
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GL_ARB_texture_cube_map_array not started
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GL_ARB_texture_gather not started
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GL_ARB_transform_feedback2 not started
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GL_ARB_transform_feedback3 not started
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GL 4.1:
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GLSL 4.1 not started
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GL_ARB_ES2_compatibility not started
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GL_ARB_get_program_binary not started
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GL_ARB_separate_shader_objects some infrastructure done
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GL_ARB_shader_precision not started
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GL_ARB_vertex_attrib_64bit not started
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GL_ARB_viewport_array not started
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2010-05-22 14:05:42 -06:00
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More info about these features and the work involved can be found at
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http://dri.freedesktop.org/wiki/MissingFunctionality
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