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 1.30 DONE glBindFragDataLocation, glGetFragDataLocation DONE Conditional rendering (GL_NV_conditional_render) DONE (i965, r600, swrast) Map buffer subranges (GL_ARB_map_buffer_range) DONE (i965, r600, swrast) Clamping controls (GL_ARB_color_buffer_float) DONE (i965, r600) Float textures, renderbuffers (GL_ARB_texture_float) DONE (i965, r600) GL_EXT_packed_float DONE (i965, r600) GL_EXT_texture_shared_exponent DONE (i965, r600, swrast) Float depth buffers (GL_ARB_depth_buffer_float) DONE (i965, r600) Framebuffer objects (GL_EXT_framebuffer_object) DONE (i965, r600, swrast) Half-float DONE Multisample blit DONE Non-normalized Integer texture/framebuffer formats ~50% done 1D/2D Texture arrays DONE Packed depth/stencil formats DONE Per-buffer blend and masks (GL_EXT_draw_buffers2) DONE (i965, r600, swrast) GL_EXT_texture_compression_rgtc DONE (i965, r600, swrast) Red and red/green texture formats DONE (i965, swrast, gallium) Transform feedback (GL_EXT_transform_feedback) DONE (i965) Vertex array objects (GL_APPLE_vertex_array_object) DONE (i965, r600, swrast) sRGB framebuffer format (GL_EXT_framebuffer_sRGB) DONE (i965, r600) glClearBuffer commands DONE glGetStringi command DONE glTexParameterI, glGetTexParameterI commands DONE glVertexAttribI commands DONE (but converts int values to floats) Depth format cube textures DONE GLX_ARB_create_context (GLX 1.4 is required) DONE GL 3.1: GLSL 1.40 not started Instanced drawing (GL_ARB_draw_instanced) DONE (gallium, swrast) Buffer copying (GL_ARB_copy_buffer) DONE (i965, r600, swrast) Primitive restart (GL_NV_primitive_restart) DONE (r600) 16 vertex texture image units DONE Texture buffer objs (GL_ARB_texture_buffer_object) not started Rectangular textures (GL_ARB_texture_rectangle) DONE (i965, r600, swrast) Uniform buffer objs (GL_ARB_uniform_buffer_object) not started Signed normalized textures (GL_EXT_texture_snorm) DONE (i965, r600) 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 (i965, r600, swrast) Base vertex offset(GL_ARB_draw_elements_base_vertex) DONE (i965, r600, swrast) Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (i965, r600, swrast) Provoking vertex (GL_ARB_provoking_vertex) DONE (i965, r600, swrast) Seamless cubemaps (GL_ARB_seamless_cube_map) DONE (i965, r600) Multisample textures (GL_ARB_texture_multisample) not started Frag depth clamp (GL_ARB_depth_clamp) DONE (i965, r600, swrast) Fence objects (GL_ARB_sync) DONE (i965, r600, swrast) GLX_ARB_create_context_profile DONE GL 3.3: GLSL 3.30 not started GL_ARB_blend_func_extended not started GL_ARB_explicit_attrib_location DONE (i915, i965, r600, swrast) GL_ARB_occlusion_query2 DONE (r600, swrast) GL_ARB_sampler_objects DONE (i965, r600) GL_ARB_texture_rgb10_a2ui DONE (gallium) GL_ARB_texture_swizzle DONE (same as EXT version) (i965, r600, swrast) GL_ARB_timer_query ~60% done (the EXT variant) GL_ARB_instanced_arrays DONE (r600) GL_ARB_vertex_type_2_10_10_10_rev DONE (r600) GL 4.0: GLSL 4.0 not started GL_ARB_texture_query_lod not started GL_ARB_draw_buffers_blend DONE (r600, softpipe) 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 DONE GL_ARB_transform_feedback3 not started GL 4.1: GLSL 4.1 not started GL_ARB_ES2_compatibility DONE (i965, r600) 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 GL 4.2: GLSL 4.2 not started GL_ARB_texture_compression_bptc not started GL_ARB_compressed_texture_pixel_storage not started GL_ARB_shader_atomic_counters not started GL_ARB_texture_storage DONE (r600, swrast) GL_ARB_transform_feedback_instanced not started GL_ARB_base_instance not started GL_ARB_shader_image_load_store not started GL_ARB_conservative_depth DONE (compiler) GL_ARB_shading_language_420pack not started GL_ARB_internalformat_query not started GL_ARB_map_buffer_alignment not started More info about these features and the work involved can be found at http://dri.freedesktop.org/wiki/MissingFunctionality