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