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