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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_APPLE_flush_buffer_range) not started
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 not started
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 Ian?
Transform feedback (GL_EXT_transform_feedback) ~50% done
Vertex array objects (GL_APPLE_vertex_array_object) DONE
sRGB framebuffer format (GL_EXT_framebuffer_sRGB) not started
glClearBuffer commands DONE, except for dispatch
glGetStringi command DONE, except for dispatch
glTexParameterI, glGetTexParameterI commands DONE, except for dispatch
glVertexAttribI commands not started
glBindFragDataLocation, glGetFragDataLocation cmds not started
glBindBufferRange, glBindBufferBase commands DONE
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) not started
16 vertex texture image units not started
Texture buffer objs (GL_ARB_textur_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
More info about these features and the work involved can be found at
http://dri.freedesktop.org/wiki/MissingFunctionality
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