| |
| 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 (GL_EXT_gpu_shader4, etc.) started |
| Conditional rendering (GL_NV_conditional_render) DONE (swrast, softpipe, i965) |
| Map buffer subranges (GL_ARB_map_buffer_range) DONE |
| Clamping controls (GL_ARB_color_buffer_float) DONE |
| Float textures, renderbuffers (GL_ARB_texture_float) DONE (gallium r300) |
| GL_EXT_packed_float DONE (gallium r600) |
| GL_EXT_texture_shared_exponent DONE (gallium, swrast) |
| Float depth buffers (GL_ARB_depth_buffer_float) not started |
| Framebuffer objects (GL_EXT_framebuffer_object) DONE |
| Half-float 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 DONE (swrast, gallium r600) |
| 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) core GL done (i965, gallium), GLX todo |
| glClearBuffer commands DONE |
| glGetStringi command DONE |
| glTexParameterI, glGetTexParameterI commands DONE |
| glVertexAttribI commands DONE (but converts int |
| values to floats) |
| Depth format cube textures 0% 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 |
| 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 textures (GL_EXT_texture_snorm) DONE (gallium) |
| |
| |
| 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 |
| 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 DONE (gallium) |
| GL_ARB_texture_rgb10_a2ui not started |
| GL_ARB_texture_swizzle DONE (same as EXT version) |
| GL_ARB_timer_query ~60% done (the EXT variant) |
| GL_ARB_instanced_arrays DONE (gallium) |
| 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 DONE (gallium 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 not started |
| GL_ARB_transform_feedback3 not started |
| |
| |
| GL 4.1: |
| |
| GLSL 4.1 not started |
| GL_ARB_ES2_compatibility DONE (i965) |
| 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 |
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| More info about these features and the work involved can be found at |
| http://dri.freedesktop.org/wiki/MissingFunctionality |