docs/GL3.txt

   1
   2 Status of OpenGL 3.x features in Mesa
   3
   4
   5 Note: when an item is marked as "DONE" it means all the core Mesa
   6 infrastructure is complete but it may be the case that few (if any) drivers
   7 implement the features.
   8
   9
  10 Feature                                               Status
  11 ----------------------------------------------------- ------------------------
  12
  13 GL 3.0:
  14
  15 GLSL changes (GL_EXT_gpu_shader4, etc)                not started
  16 Conditional rendering (GL_NV_conditional_render)      DONE (swrast & softpipe)
  17 Map buffer subranges (GL_APPLE_flush_buffer_range)    not started
  18 Float textures, renderbuffers                         some infrastructure done
  19  (incl. GL_EXT_packed_float, GL_EXT_shared_exponent)
  20 Framebuffer objects (GL_EXT_framebuffer_object)       DONE
  21 Half-float                                            some infrastructure done
  22 Multisample blit                                      DONE
  23 Non-normalized Integer texture/framebuffer formats    not started
  24 1D/2D Texture arrays                                  core Mesa, swrast done
  25 Packed depth/stencil formats                          DONE
  26 Per-buffer blend and masks (GL_EXT_draw_buffers2)     DONE
  27 GL_EXT_texture_compression_rgtc                       not started
  28 Red and red/green texture formats                     Ian?
  29 Transform feedback (GL_EXT_transform_feedback)        ~50% done
  30 Vertex array objects (GL_APPLE_vertex_array_object)   DONE
  31 sRGB framebuffer format (GL_EXT_framebuffer_sRGB)     not started
  32 glClearBuffer commands                                DONE, except for dispatch
  33 glGetStringi command                                  DONE, except for dispatch
  34 glTexParameterI, glGetTexParameterI commands          DONE, except for dispatch
  35 glVertexAttribI commands                              not started
  36 glBindFragDataLocation, glGetFragDataLocation cmds    not started
  37 glBindBufferRange, glBindBufferBase commands          not started
  38
  39
  40 GL 3.1:
  41
  42 GLSL 1.30 and 1.40                                    not started
  43 Instanced drawing (GL_ARB_draw_instanced)             ~50% done
  44 Buffer copying (GL_ARB_copy_buffer)                   DONE
  45 Primitive restart (GL_NV_primitive_restart)           not started
  46 16 vertex texture image units                         not started
  47 Texture buffer objs (GL_ARB_textur_buffer_object)     not started
  48 Rectangular textures (GL_ARB_texture_rectangle)       DONE
  49 Uniform buffer objs (GL_ARB_uniform_buffer_object)    not started
  50 Signed normalized texture formats                     not started
  51
  52
  53 GL 3.2:
  54
  55 Core/compatibility profiles                           not started
  56 GLSL 1.50                                             not started
  57 Geometry shaders (GL_ARB_geometry_shader4)            partially done (Zack)
  58 BGRA vertex order (GL_ARB_vertex_array_bgra)          DONE
  59 Base vertex offset(GL_ARB_draw_elements_base_vertex)  DONE
  60 Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (swrast, gallium)
  61 Provoking vertex (GL_ARB_provoking_vertex)            DONE
  62 Seamless cubemaps (GL_ARB_seamless_cube_map)          DONE, mostly?
  63 Multisample textures (GL_ARB_texture_multisample)     not started
  64 Frag depth clamp (GL_ARB_depth_clamp)                 DONE
  65 Fence objects (GL_ARB_sync)                           DONE
  66
  67
  68
  69 More info about these features and the work involved can be found at
  70 http://dri.freedesktop.org/wiki/MissingFunctionality