GL3.txt revision 0f912534fd843ab03ec1774c8fa660b0d3a70b72 
1
2Status of OpenGL 3.x features in Mesa
3
4
5Note: when an item is marked as "DONE" it means all the core Mesa
6infrastructure is complete but it may be the case that few (if any) drivers
7implement the features.
8
9
10Feature                                               Status
11----------------------------------------------------- ------------------------
12
13GL 3.0:
14
15GLSL changes (GL_EXT_gpu_shader4, etc)                not started
16Conditional rendering (GL_NV_conditional_render)      DONE (swrast & softpipe)
17Map buffer subranges (GL_ARB_map_buffer_range)        DONE
18Clamping controls (GL_ARB_color_buffer_float)         BRANCH ~mareko/mesa floating2
19Float textures, renderbuffers (GL_ARB_texture_float)  BRANCH ~mareko/mesa floating2
20GL_EXT_packed_float                                   not started
21GL_EXT_texture_shared_exponent                        not started
22Float depth buffers (GL_ARB_depth_buffer_float)       not started
23Framebuffer objects (GL_EXT_framebuffer_object)       DONE
24Half-float                                            DONE
25Multisample blit                                      DONE
26Non-normalized Integer texture/framebuffer formats    ~50% done
271D/2D Texture arrays                                  core Mesa, swrast done
28Packed depth/stencil formats                          DONE
29Per-buffer blend and masks (GL_EXT_draw_buffers2)     DONE
30GL_EXT_texture_compression_rgtc                       not started
31Red and red/green texture formats                     DONE (swrast, i965, gallium)
32Transform feedback (GL_EXT_transform_feedback)        ~50% done
33   glBindFragDataLocation, glGetFragDataLocation,
34   glBindBufferRange, glBindBufferBase commands
35Vertex array objects (GL_APPLE_vertex_array_object)   DONE
36sRGB framebuffer format (GL_EXT_framebuffer_sRGB)     core GL done (i965, gallium), GLX todo
37glClearBuffer commands                                DONE
38glGetStringi command                                  DONE
39glTexParameterI, glGetTexParameterI commands          DONE
40glVertexAttribI commands                              DONE (but converts int
41                                                            values to floats)
42
43
44GL 3.1:
45
46GLSL 1.30 and 1.40                                    not started
47Instanced drawing (GL_ARB_draw_instanced)             DONE (gallium, swrast)
48Buffer copying (GL_ARB_copy_buffer)                   DONE
49Primitive restart (GL_NV_primitive_restart)           DONE (gallium)
5016 vertex texture image units                         not started
51Texture buffer objs (GL_ARB_texture_buffer_object)    not started
52Rectangular textures (GL_ARB_texture_rectangle)       DONE
53Uniform buffer objs (GL_ARB_uniform_buffer_object)    not started
54Signed normalized textures (GL_EXT_texture_snorm)     ~50% done
55
56
57GL 3.2:
58
59Core/compatibility profiles                           not started
60GLSL 1.50                                             not started
61Geometry shaders (GL_ARB_geometry_shader4)            partially done (Zack)
62BGRA vertex order (GL_ARB_vertex_array_bgra)          DONE
63Base vertex offset(GL_ARB_draw_elements_base_vertex)  DONE
64Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (swrast, gallium)
65Provoking vertex (GL_ARB_provoking_vertex)            DONE
66Seamless cubemaps (GL_ARB_seamless_cube_map)          DONE, mostly?
67Multisample textures (GL_ARB_texture_multisample)     not started
68Frag depth clamp (GL_ARB_depth_clamp)                 DONE
69Fence objects (GL_ARB_sync)                           DONE
70
71
72GL 3.3:
73
74GLSL 3.30                                             not started
75GL_ARB_blend_func_extended                            not started
76GL_ARB_explicit_attrib_location                       DONE (swrast, i915, i965)
77GL_ARB_occlusion_query2                               DONE (swrast, gallium)
78GL_ARB_sampler_objects                                not started
79GL_ARB_texture_rgb10_a2ui                             not started
80GL_ARB_texture_swizzle                                DONE (same as EXT version)
81GL_ARB_timer_query                                    DONE (only Xlib sw driver)
82GL_ARB_instanced_arrays                               DONE (gallium)
83GL_ARB_vertex_type_2_10_10_10_rev                     not started
84
85
86GL 4.0:
87
88GLSL 4.0                                             not started
89GL_ARB_texture_query_lod                             not started
90GL_ARB_draw_buffers_blend                            DONE (gallium softpipe)
91GL_ARB_draw_indirect                                 not started
92GL_ARB_gpu_shader_fp64                               not started
93GL_ARB_sample_shading                                not started
94GL_ARB_shader_subroutine                             not started
95GL_ARB_tessellation_shader                           not started
96GL_ARB_texture_buffer_object_rgb32                   not started
97GL_ARB_texture_cube_map_array                        not started
98GL_ARB_texture_gather                                not started
99GL_ARB_transform_feedback2                           not started
100GL_ARB_transform_feedback3                           not started
101
102
103GL 4.1:
104
105GLSL 4.1                                             not started
106GL_ARB_ES2_compatibility                             not started
107GL_ARB_get_program_binary                            not started
108GL_ARB_separate_shader_objects                       some infrastructure done
109GL_ARB_shader_precision                              not started
110GL_ARB_vertex_attrib_64bit                           not started
111GL_ARB_viewport_array                                not started
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115
116More info about these features and the work involved can be found at
117http://dri.freedesktop.org/wiki/MissingFunctionality
118