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, r300, r600, swrast)
  18 Map buffer subranges (GL_ARB_map_buffer_range)        DONE (i965, r300, r600, swrast)
  19 Clamping controls (GL_ARB_color_buffer_float)         DONE (i965, r300, r600)
  20 Float textures, renderbuffers (GL_ARB_texture_float)  DONE (i965, r300, 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_ARB_framebuffer_object)       DONE (i965, r300, r600, swrast)
  25 Half-float                                            DONE
  26 Non-normalized Integer texture/framebuffer formats    DONE (i965)
  27 1D/2D Texture arrays                                  DONE
  28 Per-buffer blend and masks (GL_EXT_draw_buffers2)     DONE (i965, r600, swrast)
  29 GL_EXT_texture_compression_rgtc                       DONE (i965, r300, r600, swrast)
  30 Red and red/green texture formats                     DONE (i965, swrast, gallium)
  31 Transform feedback (GL_EXT_transform_feedback)        DONE (i965)
  32 Vertex array objects (GL_APPLE_vertex_array_object)   DONE (i965, r300, r600, swrast)
  33 sRGB framebuffer format (GL_EXT_framebuffer_sRGB)     DONE (i965, r600)
  34 glClearBuffer commands                                DONE
  35 glGetStringi command                                  DONE
  36 glTexParameterI, glGetTexParameterI commands          DONE
  37 glVertexAttribI commands                              ~50% done (converts int
  38                                                                  values to floats)
  39 Depth format cube textures                            DONE
  40 GLX_ARB_create_context (GLX 1.4 is required)          DONE
  41
  42
  43 GL 3.1:
  44
  45 GLSL 1.40                                             DONE (i965)
  46 Forward compatibile context support/deprecations      DONE (i965)
  47 Instanced drawing (GL_ARB_draw_instanced)             DONE (i965, gallium, swrast)
  48 Buffer copying (GL_ARB_copy_buffer)                   DONE (i965, r300, r600, swrast)
  49 Primitive restart (GL_NV_primitive_restart)           DONE (i965, r600)
  50 16 vertex texture image units                         DONE
  51 Texture buffer objs (GL_ARB_texture_buffer_object)    DONE for OpenGL 3.1 contexts (i965)
  52 Rectangular textures (GL_ARB_texture_rectangle)       DONE (i965, r300, r600, swrast)
  53 Uniform buffer objs (GL_ARB_uniform_buffer_object)    DONE (i965)
  54 Signed normalized textures (GL_EXT_texture_snorm)     DONE (i965, r300, r600)
  55
  56
  57 GL 3.2:
  58
  59 Core/compatibility profiles                           DONE
  60 GLSL 1.50                                             not started
  61 Geometry shaders (GL_ARB_geometry_shader4)            partially done (Zack)
  62 BGRA vertex order (GL_ARB_vertex_array_bgra)          DONE (i965, r300, r600, swrast)
  63 Base vertex offset(GL_ARB_draw_elements_base_vertex)  DONE (i965, r300, r600, swrast)
  64 Frag shader coord (GL_ARB_fragment_coord_conventions) DONE (i965, r300, r600, swrast)
  65 Provoking vertex (GL_ARB_provoking_vertex)            DONE (i965, r300, r600, swrast)
  66 Seamless cubemaps (GL_ARB_seamless_cube_map)          DONE (i965, r600)
  67 Multisample textures (GL_ARB_texture_multisample)     not started
  68 Frag depth clamp (GL_ARB_depth_clamp)                 DONE (i965, r600, swrast)
  69 Fence objects (GL_ARB_sync)                           DONE (i965, r300, r600, swrast)
  70 GLX_ARB_create_context_profile                        DONE
  71
  72
  73 GL 3.3:
  74
  75 GLSL 3.30                                             new features in this version pretty much done
  76 GL_ARB_blend_func_extended                            DONE (i965, r600, softpipe)
  77 GL_ARB_explicit_attrib_location                       DONE (i915, i965, r300, r600, swrast)
  78 GL_ARB_occlusion_query2                               DONE (i965, r300, r600, swrast)
  79 GL_ARB_sampler_objects                                DONE (i965, r300, r600)
  80 GL_ARB_shader_bit_encoding                            DONE
  81 GL_ARB_texture_rgb10_a2ui                             DONE (i965, r600)
  82 GL_ARB_texture_swizzle                                DONE (same as EXT version) (i965, r300, r600, swrast)
  83 GL_ARB_timer_query                                    DONE (i965)
  84 GL_ARB_instanced_arrays                               DONE (i965, r300, 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 (i965, r600, softpipe)
  93 GL_ARB_draw_indirect                                 not started
  94 GL_ARB_gpu_shader5                                   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                           DONE
 103 GL_ARB_transform_feedback3                           DONE
 104
 105
 106 GL 4.1:
 107
 108 GLSL 4.1                                             not started
 109 GL_ARB_ES2_compatibility                             DONE (i965, r300, r600)
 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
 119 GLSL 4.2                                             not started
 120 GL_ARB_texture_compression_bptc                      not started
 121 GL_ARB_compressed_texture_pixel_storage              not started
 122 GL_ARB_shader_atomic_counters                        not started
 123 GL_ARB_texture_storage                               DONE (r300, r600, swrast, gallium)
 124 GL_ARB_transform_feedback_instanced                  DONE
 125 GL_ARB_base_instance                                 DONE (nv50, nvc0, r600, radeonsi)
 126 GL_ARB_shader_image_load_store                       not started
 127 GL_ARB_conservative_depth                            DONE (softpipe)
 128 GL_ARB_shading_language_420pack                      not started
 129 GL_ARB_internalformat_query                          not started
 130 GL_ARB_map_buffer_alignment                          not started
 131
 132
 133 GL 4.3:
 134
 135 GLSL 4.3                                             not started
 136 ARB_arrays_of_arrays                                 not started
 137 ARB_ES3_compatibility                                not started
 138 ARB_clear_buffer_object                              not started
 139 ARB_compute_shader                                   started (gallium)
 140 ARB_copy_image                                       not started
 141 KHR_debug                                            some work done (ARB_debug_output)
 142 ARB_explicit_uniform_location                        not started
 143 ARB_fragment_layer_viewport                          not started
 144 ARB_framebuffer_no_attachments                       not started
 145 ARB_internalformat_query2                            not started
 146 ARB_invalidate_subdata                               not started
 147 ARB_multi_draw_indirect                              not started
 148 ARB_program_interface_query                          not started
 149 ARB_robust_buffer_access_behavior                    not started
 150 ARB_shader_image_size                                not started
 151 ARB_shader_storage_buffer_object                     not started
 152 ARB_stencil_texturing                                not started
 153 ARB_texture_buffer_range                             not started
 154 ARB_texture_query_levels                             not started
 155 ARB_texture_storage_multisample                      not started
 156 ARB_texture_view                                     not started
 157 ARB_vertex_attrib_binding                            not started
 158
 159
 160 More info about these features and the work involved can be found at
 161 http://dri.freedesktop.org/wiki/MissingFunctionality