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                              DONE (but 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