glsl: Implement the GL_ARB_conservative_depth extension.
[profile/ivi/mesa.git] / 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                     not started
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