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 1.30 (GL_EXT_gpu_shader4, etc.)                  started
  16 Conditional rendering (GL_NV_conditional_render)      DONE (swrast, softpipe, i965)
  17 Map buffer subranges (GL_ARB_map_buffer_range)        DONE
  18 Clamping controls (GL_ARB_color_buffer_float)         DONE
  19 Float textures, renderbuffers (GL_ARB_texture_float)  DONE (gallium r300)
  20 GL_EXT_packed_float                                   DONE (gallium r600)
  21 GL_EXT_texture_shared_exponent                        DONE (gallium, swrast)
  22 Float depth buffers (GL_ARB_depth_buffer_float)       DONE
  23 Framebuffer objects (GL_EXT_framebuffer_object)       DONE
  24 Half-float                                            DONE
  25 Multisample blit                                      DONE
  26 Non-normalized Integer texture/framebuffer formats    ~50% done
  27 1D/2D Texture arrays                                  core Mesa, swrast done
  28 Packed depth/stencil formats                          DONE
  29 Per-buffer blend and masks (GL_EXT_draw_buffers2)     DONE
  30 GL_EXT_texture_compression_rgtc                       DONE (swrast, gallium r600)
  31 Red and red/green texture formats                     DONE (swrast, i965, gallium)
  32 Transform feedback (GL_EXT_transform_feedback)        ~50% done
  33    glBindFragDataLocation, glGetFragDataLocation,
  34    glBindBufferRange, glBindBufferBase commands
  35 Vertex array objects (GL_APPLE_vertex_array_object)   DONE
  36 sRGB framebuffer format (GL_EXT_framebuffer_sRGB)     core GL done (i965, gallium), GLX todo
  37 glClearBuffer commands                                DONE
  38 glGetStringi command                                  DONE
  39 glTexParameterI, glGetTexParameterI commands          DONE
  40 glVertexAttribI commands                              DONE (but converts int
  41                                                             values to floats)
  42 Depth format cube textures                            0% done
  43 GLX_ARB_create_context (GLX 1.4 is required)          not started
  44
  45
  46 GL 3.1:
  47
  48 GLSL 1.40                                             not started
  49 Instanced drawing (GL_ARB_draw_instanced)             DONE (gallium, swrast)
  50 Buffer copying (GL_ARB_copy_buffer)                   DONE
  51 Primitive restart (GL_NV_primitive_restart)           DONE (gallium)
  52 16 vertex texture image units                         DONE
  53 Texture buffer objs (GL_ARB_texture_buffer_object)    not started
  54 Rectangular textures (GL_ARB_texture_rectangle)       DONE
  55 Uniform buffer objs (GL_ARB_uniform_buffer_object)    not started
  56 Signed normalized textures (GL_EXT_texture_snorm)     DONE (gallium)
  57
  58
  59 GL 3.2:
  60
  61 Core/compatibility profiles                           not started
  62 GLSL 1.50                                             not started
  63 Geometry shaders (GL_ARB_geometry_shader4)            partially done (Zack)
  64 BGRA vertex order (GL_ARB_vertex_array_bgra)          DONE
  65 Base vertex offset(GL_ARB_draw_elements_base_vertex)  DONE
  66 Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (swrast, gallium)
  67 Provoking vertex (GL_ARB_provoking_vertex)            DONE
  68 Seamless cubemaps (GL_ARB_seamless_cube_map)          DONE
  69 Multisample textures (GL_ARB_texture_multisample)     not started
  70 Frag depth clamp (GL_ARB_depth_clamp)                 DONE
  71 Fence objects (GL_ARB_sync)                           DONE
  72 GLX_ARB_create_context_profile                        not started
  73
  74
  75 GL 3.3:
  76
  77 GLSL 3.30                                             not started
  78 GL_ARB_blend_func_extended                            not started
  79 GL_ARB_explicit_attrib_location                       DONE (swrast, i915, i965)
  80 GL_ARB_occlusion_query2                               DONE (swrast, gallium)
  81 GL_ARB_sampler_objects                                DONE (gallium)
  82 GL_ARB_texture_rgb10_a2ui                             not started
  83 GL_ARB_texture_swizzle                                DONE (same as EXT version)
  84 GL_ARB_timer_query                                    ~60% done (the EXT variant)
  85 GL_ARB_instanced_arrays                               DONE (gallium)
  86 GL_ARB_vertex_type_2_10_10_10_rev                     DONE (gallium)
  87
  88
  89 GL 4.0:
  90
  91 GLSL 4.0                                             not started
  92 GL_ARB_texture_query_lod                             not started
  93 GL_ARB_draw_buffers_blend                            DONE (gallium softpipe)
  94 GL_ARB_draw_indirect                                 not started
  95 GL_ARB_gpu_shader_fp64                               not started
  96 GL_ARB_sample_shading                                not started
  97 GL_ARB_shader_subroutine                             not started
  98 GL_ARB_tessellation_shader                           not started
  99 GL_ARB_texture_buffer_object_rgb32                   not started
 100 GL_ARB_texture_cube_map_array                        not started
 101 GL_ARB_texture_gather                                not started
 102 GL_ARB_transform_feedback2                           not started
 103 GL_ARB_transform_feedback3                           not started
 104
 105
 106 GL 4.1:
 107
 108 GLSL 4.1                                             not started
 109 GL_ARB_ES2_compatibility                             DONE (i965)
 110 GL_ARB_get_program_binary                            not started
 111 GL_ARB_separate_shader_objects                       some infrastructure done
 112 GL_ARB_shader_precision                              not started
 113 GL_ARB_vertex_attrib_64bit                           not started
 114 GL_ARB_viewport_array                                not started
 115
 116
 117 GL 4.2:
 118 GLSL 4.2                                             not started
 119 GL_ARB_texture_compression_bptc                      not started
 120 GL_ARB_compressed_texture_pixel_storage              not started
 121 GL_ARB_shader_atomic_counters                        not started
 122 GL_ARB_texture_storage                               not started
 123 GL_ARB_transform_feedback_instanced                  not started
 124 GL_ARB_base_instance                                 not started
 125 GL_ARB_shader_image_load_store                       not started
 126 GL_ARB_conservative_depth                            DONE (compiler)
 127 GL_ARB_shading_language_420pack                      not started
 128 GL_ARB_internalformat_query                          not started
 129 GL_ARB_map_buffer_alignment                          not started
 130
 131
 132 More info about these features and the work involved can be found at
 133 http://dri.freedesktop.org/wiki/MissingFunctionality