History of OpenGL: Difference between revisions

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Added OpenGL 4.3 stuff.
Reversing the order of these, so that the newest is on top.
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OpenGL 3.0 adds the concept of deprecation: marking certain features as subject to removal in later versions. GL 3.1 removed most deprecated features, and GL 3.2 created the notion of [[Core And Compatibility in Contexts|core and compatibility]] OpenGL contexts.
OpenGL 3.0 adds the concept of deprecation: marking certain features as subject to removal in later versions. GL 3.1 removed most deprecated features, and GL 3.2 created the notion of [[Core And Compatibility in Contexts|core and compatibility]] OpenGL contexts.


Official versions of OpenGL released to date are 1.0, 1.1, 1.2, 1.2.1, 1.3, 1.4, 1.5, 2.0, 2.1, 3.0, 3.1, 3.2, 3.3, 4.0, 4.1, 4.2.
Official versions of OpenGL released to date are 1.0, 1.1, 1.2, 1.2.1, 1.3, 1.4, 1.5, 2.0, 2.1, 3.0, 3.1, 3.2, 3.3, 4.0, 4.1, 4.2, 4.3.


== Summary of version changes ==
== Summary of version changes ==
Line 15: Line 15:
Almost all additions are promoted from some extensions.
Almost all additions are promoted from some extensions.


=== OpenGL 1.0 (1992) ===
=== OpenGL 4.3 (2012) ===
First release.
{| class="wikitable"
 
=== OpenGL 1.1 (1997) ===
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Vertex arrays
  |Debug messaging
  |EXT_vertex_array
|[http://www.opengl.org/registry/specs/KHR/debug.txt KHR_debug],
 
[http://www.opengl.org/registry/specs/ARB/debug_group.txt ARB_debug_group],
 
[http://www.opengl.org/registry/specs/ARB/debug_label.txt ARB_debug_label],
 
[http://www.opengl.org/registry/specs/ARB/debug_output2.txt ARB_debug_output2]
|-
|GLSL multidimensional arrays
  |[http://www.opengl.org/registry/specs/ARB/arrays_of_arrays.txt ARB_arrays_of_arrays]
  |-
  |-
  |Polygon offset
  |Clear [[Buffer Object]]s to specific values, ala {{code|memset}}
  |EXT_polygon_offset
  |[http://www.opengl.org/registry/specs/ARB/clear_buffer_object.txt ARB_clear_buffer_object]
  |-
  |-
  |Logical operation
  |Arbitrary compute shaders
  |EXT_blend_logic_op
  |[http://www.opengl.org/registry/specs/ARB/compute_shader.txt ARB_compute_shader]
  |-
  |-
  |Internal texture formats
  |Arbitrary image copying
  |EXT_texture
  |[http://www.opengl.org/registry/specs/ARB/copy_image.txt ARB_copy_image]
  |-
  |-
  |GL_REPLACE texture env
  |Compatibility with OpenGL ES 3.0
  |EXT_texture
  |[http://www.opengl.org/registry/specs/ARB/ES3_compatibility.txt ARB_ES3_compatibility]
  |-
  |-
  |Texture proxy
  |Specifying uniform locations in a shader
  |EXT_texture
  |[http://www.opengl.org/registry/specs/ARB/explicit_uniform_location.txt ARB_explicit_uniform_location]
  |-
  |-
  |Copy texture and subtexture
  |Layer and viewport indices available from the fragment shader
  |EXT_copy_texture, EXT_subtexture
  |[http://www.opengl.org/registry/specs/ARB/fragment_layer_viewport.txt ARB_fragment_layer_viewport]
  |-
  |-
  |Texture objects
  |Rendering to a [[Framebuffer Object]] that has no attachments
  |EXT_texture_object
  |[http://www.opengl.org/registry/specs/ARB/framebuffer_no_attachments.txt ARB_framebuffer_no_attachments]
|}
 
=== OpenGL 1.2 (1998) ===
{|
!Addition
!Promoted from
  |-
  |-
  |3D textures
  |Querying support information about [[Image Format]]s
  |EXT_texture3D
  |[http://www.opengl.org/registry/specs/ARB/internalformat_query2.txt ARB_internalformat_query2]
  |-
  |-
  |BGRA pixel formats
  |Texture, buffer object, and framebuffer invalidation.
  |EXT_bgra
  |[http://www.opengl.org/registry/specs/ARB/invalidate_subdata.txt ARB_invalidate_subdata]
  |-
  |-
  |Packed pixel formats
  |Issuing multiple indirect rendering commands from a single draw command.
  |EXT_packed_pixels
  |[http://www.opengl.org/registry/specs/ARB/multi_draw_indirect.txt ARB_multi_draw_indirect]
  |-
  |-
  |Normal rescaling
  |Improved API for getting info about program object values
  |EXT_rescale_normal
  |[http://www.opengl.org/registry/specs/ARB/program_interface_query.txt ARB_program_interface_query]
  |-
  |-
  |Separate specular color
  |More robustness of API
  |EXT_separate_specular_color
  |[http://www.opengl.org/registry/specs/ARB/robust_buffer_access_behavior.txt ARB_robust_buffer_access_behavior],
 
[http://www.opengl.org/registry/specs/ARB/robustness_isolation.txt ARB_robustness_isolation],
 
[http://www.opengl.org/registry/specs/ARB/wgl_robustness_isolation.txt WGL_ARB_robustness_isolation],
 
[http://www.opengl.org/registry/specs/ARB/glx_robustness_isolation.txt GLX_ARB_robustness_isolation]
  |-
  |-
  |Texture coordinate edge clamping
  |Get size of images from GLSL
  |SGIS_texture_edge_clamp
  |[http://www.opengl.org/registry/specs/ARB/shader_image_size.txt ARB_shader_image_size]
  |-
  |-
  |Texture LOD control
  |Buffer object read-write access from shader, via a uniform-block style mechanism
  |SGIS_texture_lod
  |[http://www.opengl.org/registry/specs/ARB/shader_storage_buffer_object.txt ARB_shader_storage_buffer_object]
  |-
  |-
  |Vertex array draw element range
  |Accessing the stencil values from a depth/stencil texture
|EXT_draw_range_elements
  |[http://www.opengl.org/registry/specs/ARB/stencil_texturing.txt ARB_stencil_texturing]
  |}
==== Imaging subset (optional) ====
{|
!Addition
!Promoted from
  |-
  |-
  |Color Tables
  |[[Buffer Texture]]s can now be bound to a range of a buffer object rather than the whole thing
  |EXT_color_table, EXT_color_subtable
  |[http://www.opengl.org/registry/specs/ARB/texture_buffer_range.txt ARB_texture_buffer_range]
  |-
  |-
  |Convolution
  |GLSL can detect the available mipmap pyramid of a sampler or image
  |EXT_convolution, EXT_convolution_border_modes
  |[http://www.opengl.org/registry/specs/ARB/texture_query_levels.txt ARB_texture_query_levels]
  |-
  |-
  |Color matrix
  |Texture storage for multisample textures
  |EXT_color_matrix
  |[http://www.opengl.org/registry/specs/ARB/texture_storage_multisample.txt ARB_texture_storage_multisample]
  |-
  |-
  |Pixel data statistics
  |The ability to create a new texture, with a new internal format, that references an existing texture's storage
  |EXT_histogram
  |[http://www.opengl.org/registry/specs/ARB/texture_view.txt ARB_texture_view]
  |-
  |-
  |Constant blend color
  |Separation of vertex format from buffer object association
  |EXT_blend_color
  |[http://www.opengl.org/registry/specs/ARB/vertex_attrib_binding.txt ARB_vertex_attrib_binding]
  |-
  |-
|New blending equations
|EXT_blend_minmax, EXT_blend_substract
  |}
  |}


=== OpenGL 1.2.1 (1998) ===
Links:
This version defines ARB extensions concept. ARB extensions are not required to be supported by a conformant OpenGL
*[http://www.opengl.org/registry/doc/glspec43.core.20120806.pdf OpenGL 4.3 Core Profile Specification]
implementation, but are expected to be widely available; they define
*[http://www.opengl.org/registry/doc/glspec43.compatibility.20120806.pdf OpenGL 4.3 Compatibility Profile Specification]
functionality that is likely to move into the required feature set in a future
*[http://www.opengl.org/registry/doc/GLSLangSpec.4.30.6.pdf OpenGL Shading Language 4.30 Specification]
revision of the specification.


GL implementations of such later revisions should continue to export the name
strings of promoted extensions in the EXTENSIONS string, and continue to support
the ARB-affixed versions of functions and enumerants as a transition aid.


=== OpenGL 1.3 (2001) ===
=== OpenGL 4.2 (2011) ===
{|
{| class="wikitable"
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Compressed textures
  |Allows atomically incrementing/decrementing and fetching of buffer object memory locations from shaders.
  |ARB_texture_compression
  |[http://www.opengl.org/registry/specs/ARB/shader_atomic_counters.txt ARB_shader_atomic_counters]
|-
|Allows shaders to read and write images, without filtering and mostly arbitrarily.
|[http://www.opengl.org/registry/specs/ARB/shader_image_load_store.txt ARB_shader_image_load_store]
|-
|Allows texture objects to have [[Texture#Texture Storage|the storage for all of their mipmap levels allocated at once]]. When using this API, the texture object's storage can never be changed again, but the ''contents'' of that storage can.
|[http://www.opengl.org/registry/specs/ARB/texture_storage.txt ARB_texture_storage]
|-
|Allows instanced rendering of data written by transform feedback operations.
|[http://www.opengl.org/registry/specs/ARB/transform_feedback_instanced.txt ARB_transform_feedback_instanced]
|-
|Allows the setting of [[Uniform_Buffer_Object#Version_4.20_binding|Uniform Buffer Object]] and [[GLSL_Samplers#Verison_4.20_binding|sampler]] binding points directly from GLSL, among many, ''many'' other things.
|[http://www.opengl.org/registry/specs/ARB/shading_language_420pack.txt ARB_shading_language_420pack]
  |-
  |-
  |Cube map textures
  |Allows the use of certain advanced compression techniques.
  |ARB_texture_cube_map
  |[http://www.opengl.org/registry/specs/ARB/texture_compression_bptc.txt ARB_texture_compression_BPTC]
  |-
  |-
  |Multisample
  |Allows instanced rendering with a starting instance value.
  |ARB_multisample
  |[http://www.opengl.org/registry/specs/ARB/base_instance.txt ARB_base_instance]
  |-
  |-
  |Multitexture
  |Allows the user to detect the maximum number of samples possible for a particular [[Image Format|image format]] and [[Texture#Theory|texture type]]
  |ARB_multitexture
  |[http://www.opengl.org/registry/specs/ARB/internalformat_query.txt ARB_internalformat_query]
  |-
  |-
  |Texture add env mode
  |Allows for sub-rectangle selection when transferring compressed texture data.
  |ARB_texture_env_add
  |[http://www.opengl.org/registry/specs/ARB/compressed_texture_pixel_storage.txt ARB_compressed_texture_pixel_storage]
  |-
  |-
  |Texture combine env mode
  |Allows unpacking 16-bit floats from a 32-bit unsigned integer value.
  |ARB_texture_env_combine
  |[http://www.opengl.org/registry/specs/ARB/shading_language_packing.txt ARB_shading_language_packing]
  |-
  |-
  |Texture dot3 env mode
  |Allows querying of the alignment for pointers returned from [[Buffer_Object#Mapping|buffer object mapping operations]].
  |ARB_texture_env_dot3
  |[http://www.opengl.org/registry/specs/ARB/map_buffer_alignment.txt ARB_map_buffer_alignment]
  |-
  |-
  |Texture border clamp
  |Allows explicitly defining how a fragment shader will modify the depth value, so that the system can optimize these cases better.
  |ARB_texture_border_clamp
  |[http://www.opengl.org/registry/specs/ARB/conservative_depth.txt ARB_conservative_depth]
  |-
  |-
|Transpose matrix
|ARB_transpose_matrix
  |}
  |}


=== OpenGL 1.4 (2002) ===
Links:
* [http://www.opengl.org/registry/doc/glspec42.core.20110808.pdf OpenGL 4.2 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec42.compatibility.20110808.pdf OpenGL 4.2 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.4.20.6.clean.pdf OpenGL Shading Language 4.20.6 Specification]
 
=== OpenGL 4.1 (2010) ===
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Automatic mipmap generation
  |Query and load a binary blob for program objects
  |SGIS_generate_mipmap
  |[http://www.opengl.org/registry/specs/ARB/get_program_binary.txt ARB_get_program_binary]
|-
|Ability to [[GLSL_Object#Program separation|bind programs individually to programmable stages]]
|[http://www.opengl.org/registry/specs/ARB/separate_shader_objects.txt ARB_separate_shader_objects]
  |-
  |-
  |Blend squaring
  |Pulling missing functionality from [[OpenGL ES]] 2.0 into OpenGL
  |NV_blend_equare
  |[http://www.opengl.org/registry/specs/ARB/ES2_compatibility.txt ARB_ES2_compatibility]
  |-
  |-
  |Depth textures and shadows
  |Documents precision requirements for several FP operations
  |ARB_depth_texture, ARB_shadow
  |[http://www.opengl.org/registry/specs/ARB/shader_precision.txt ARB_shader_precision]
  |-
  |-
  |Fog coordinate
  |Provides 64-bit floating-point component vertex shader inputs
  |EXT_fog_coord
  |[http://www.opengl.org/registry/specs/ARB/vertex_attrib_64bit.txt ARB_vertex_attrib_64_bit]
  |-
  |-
  |Multiple draw arrays
  |Multiple viewports for the same rendering surface, or one per surface
  |EXT_multi_draw_arrays
  |[http://www.opengl.org/registry/specs/ARB/viewport_array.txt ARB_viewport_array]
|}
 
Links:
* [http://www.opengl.org/registry/doc/glspec41.core.20100725.pdf OpenGL 4.1 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec41.compatibility.20100725.pdf OpenGL 4.1 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf OpenGL Shading Language 4.10.6 Specification]
 
=== OpenGL 4.0 (2010) ===
{|
!Addition
!Promoted from
  |-
  |-
  |Point parameters
  |Shading language 4.00
  |ARB_point_parameters
  |ARB_texture_query_lod, ARB_gpu_shader5, ARB_gpu_shader_fp64, ARB_shader_subroutine, ARB_texture_gather
  |-
  |-
  |Secondary color
  |Individual blend equations for each color output
  |EXT_secondary_color
  |ARB_draw_buffers_blend
  |-
  |-
  |Separate blend functions
  |Draw instanced arrays indirect
  |EXT_blend_func_separate
  |ARB_draw_indirect
  |-
  |-
  |Stencil wrap
  |Request minimum number of fragment inputs
  |EXT_stencil_wrap
  |ARB_sample_shading
  |-
  |-
  |Texture crossbar env mode
  |Tessellation control and evaluation shaders
  |ARB_texture_env_crossbar
  |ARB_tessellation_shader
  |-
  |-
  |Texture LOD bias
  |[[Buffer Texture]] formats RGB32F, RGB32I, RGB32UI
  |EXT_texture_lod_bias
  |ARB_texture_buffer_object_rgb32
  |-
  |-
  |Texture mirrored repeat
  |Cube map array textures
  |ARB_texture_mirrored_repeat
  |ARB_texture_cube_map_array
  |-
  |-
  |Window raster position
  |Additional transform feedback functionality
  |ARB_window_pos
  |ARB_transform_feedback2, ARB_transform_feedback3
  |}
  |}


=== OpenGL 1.5 (2003) ===
Links:
* [http://www.opengl.org/registry/doc/glspec40.core.20100311.pdf OpenGL 4.0 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec40.compatibility.20100311.pdf OpenGL 4.0 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.4.00.9.clean.pdf OpenGL Shading Language 4.00.9 Specification]
 
=== OpenGL 3.3 (2010) ===
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Buffer objects
  |Shading language 3.30
  |ARB_vertex_buffer_object
|ARB_shader_bit_encoding
|-
|New blending functions
|ARB_blend_func_extended
|-
|Attribute locations
|ARB_explicit_attrib_location
|-
|Simple boolean occlusion queries
|ARB_occlusion_query2
|-
|Sampler objects
  |ARB_sampler_objects
|-
|A new texture format for unsigned 10.10.10.2
|ARB_texture_rgb10_a2ui
|-
|Texture swizzle
|ARB_texture_swizzle
|-
|Timer query
|ARB_timer_query
  |-
  |-
  |Occlusion query
  |Instanced arrays
  |ARB_occlusion_query
  |ARB_instanced_arrays
  |-
  |-
  |Shadow functions
  |Vertex attributes 2.10.10.10
  |EXT_shadow_funcs
  |ARB_vertex_type_2_10_10_10_rev
  |}
  |}


=== OpenGL 2.0 (2004) ===
Links:
* [http://www.opengl.org/registry/doc/glspec33.core.20100311.pdf OpenGL 3.3 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec33.compatibility.20100311.pdf OpenGL 3.3 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.3.30.6.clean.pdf OpenGL Shading Language 3.30.9 Specification]
* [http://www.opengl.org/sdk/docs/man3 OpenGL 3.3 Reference Pages]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=273669#Post273669 Official feedback on OpenGL 3.3 thread]
 
=== OpenGL 3.2 (2009) ===
* Core and compatibility profiles
* Shading language 1.50
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Shader objects
|BGRA vertex component ordering
  |ARB_shader_objects, ''heavily modified''
|ARB_vertext_array_bgra
|-
|Drawing command allowing modification of the base vertex index
|ARB_draw_elements_base_vertex
|-
  |Shader fragment coordinate convention control
  |ARB_fragment_coord_conventions
  |-
  |-
  |Shader programs
  |Provoking vertex control
  |ARB_vertex_shader, ARB_fragment_shader, ''heavily modified''
  |ARB_provoking_vertex
  |-
  |-
  |Shading language 1.10
  |Seamless cube map filtering
  |ARB_shading_language_100, ''heavily modified''
  |ARB_seamless_cube_map
  |-
  |-
  |Multiple render targets
  |Multisampled textures and texture samplers for specific sample locations
  |ARB_draw_buffers
  |ARB_texture_multisample
  |-
  |-
  |Non-power-of-two textures
  |Fragment depth clamping
  |ARB_texture_non_power_of_two
  |ARB_depth_clamp
  |-
  |-
  |Point sprites
  |Geometry shaders
  |ARB_point_sprite
  |ARB_geometry_shader4
  |-
  |-
  |Separate stencil
  |Fence sync objects
  |ATI_separate_stencil, EXT_stencil_two_side
  |ARB_sync
  |}
  |}


=== OpenGL 2.1 (2006) ===
Links:
Core features:
* [http://www.opengl.org/registry/doc/glspec32.core.20091207.pdf OpenGL 3.2 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec32.compatibility.20091207.pdf OpenGL 3.2 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.1.50.11.pdf OpenGL Shading Language 1.50.11 Specification]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=261641#Post261641 Official feedback on OpenGL 3.2 thread]
 
=== OpenGL 3.1 (2009) ===
* All features deprecated in OpenGL 3.0 are removed except wide lines
* Shading language 1.40
* SNORM texture component formats
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Pixel buffer objects
  |Instanced rendering with a per instance counter accessible to vertex shaders
  |ARB_pixel_buffer_object
|ARB_draw_instanced
|-
|Data copying between buffer objects
|EXT_copy_buffer
|-
|Primitive restart
|NV_primitive_restart
|-
|Texture buffer objects
  |ARB_texture_buffer_object
|-
|Rectangular textures
|ARB_texture_rectangle
  |-
  |-
  |sRGB textures
  |Uniform buffer objects
  |EXT_texture_sRGB
  |ARB_uniform_buffer_object
  |}
  |}
Shading language 1.20:
* Non-square matrices in GLSL.


Links:
Links:
* [http://www.opengl.org/registry/doc/glspec21.20061201.pdf OpenGL 2.1 Specification]
* [http://www.opengl.org/registry/doc/glspec31.20090528.pdf OpenGL 3.1 Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.20.8.pdf OpenGL Shading Language 1.20.8 Specification]
* [http://www.opengl.org/registry/doc/glspec31undep.20090528.pdf OpenGL 3.1 Specification with GL_ARB_compatibility extension]
* [http://www.opengl.org/sdk/docs/man OpenGL 2.1 Reference Pages]
* [http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.40.08.pdf OpenGL Shading Language 1.40.08 Specification]
 
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=255002#Post255002 Official feedback on OpenGL 3.1 thread]


=== OpenGL 3.0 (2008) ===
=== OpenGL 3.0 (2008) ===
Line 344: Line 427:
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=243193#Post243193 Official feedback on OpenGL 3.0 thread]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=243193#Post243193 Official feedback on OpenGL 3.0 thread]


 
=== OpenGL 2.1 (2006) ===
=== OpenGL 3.1 (2009) ===
Core features:
* All features deprecated in OpenGL 3.0 are removed except wide lines
* Shading language 1.40
* SNORM texture component formats
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Instanced rendering with a per instance counter accessible to vertex shaders
  |Pixel buffer objects
  |ARB_draw_instanced
  |ARB_pixel_buffer_object
  |-
  |-
  |Data copying between buffer objects
  |sRGB textures
|EXT_copy_buffer
  |EXT_texture_sRGB
|-
|Primitive restart
|NV_primitive_restart
|-
|Texture buffer objects
|ARB_texture_buffer_object
|-
|Rectangular textures
  |ARB_texture_rectangle
|-
|Uniform buffer objects
|ARB_uniform_buffer_object
  |}
  |}
Shading language 1.20:
* Non-square matrices in GLSL.


Links:
Links:
* [http://www.opengl.org/registry/doc/glspec31.20090528.pdf OpenGL 3.1 Specification]
* [http://www.opengl.org/registry/doc/glspec21.20061201.pdf OpenGL 2.1 Specification]
* [http://www.opengl.org/registry/doc/glspec31undep.20090528.pdf OpenGL 3.1 Specification with GL_ARB_compatibility extension]
* [http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.20.8.pdf OpenGL Shading Language 1.20.8 Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.Full.1.40.08.pdf OpenGL Shading Language 1.40.08 Specification]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=255002#Post255002 Official feedback on OpenGL 3.1 thread]
* [http://www.g-truc.net/post-0152.html OpenGL 3.1 review]


 
=== OpenGL 2.0 (2004) ===
=== OpenGL 3.2 (2009) ===
* Core and compatibility profiles
* Shading language 1.50
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |BGRA vertex component ordering
  |Shader objects
  |ARB_vertext_array_bgra
  |ARB_shader_objects, ''heavily modified''
  |-
  |-
  |Drawing command allowing modification of the base vertex index
  |Shader programs
  |ARB_draw_elements_base_vertex
  |ARB_vertex_shader, ARB_fragment_shader, ''heavily modified''
  |-
  |-
  |Shader fragment coordinate convention control
  |Shading language 1.10
  |ARB_fragment_coord_conventions
  |ARB_shading_language_100, ''heavily modified''
  |-
  |-
  |Provoking vertex control
  |Multiple render targets
  |ARB_provoking_vertex
  |ARB_draw_buffers
  |-
  |-
  |Seamless cube map filtering
  |Non-power-of-two textures
  |ARB_seamless_cube_map
  |ARB_texture_non_power_of_two
  |-
  |-
  |Multisampled textures and texture samplers for specific sample locations
  |Point sprites
  |ARB_texture_multisample
  |ARB_point_sprite
  |-
  |-
  |Fragment depth clamping
  |Separate stencil
  |ARB_depth_clamp
  |ATI_separate_stencil, EXT_stencil_two_side
|-
|Geometry shaders
|ARB_geometry_shader4
|-
|Fence sync objects
|ARB_sync
  |}
  |}
Links:
* [http://www.opengl.org/registry/doc/glspec32.core.20091207.pdf OpenGL 3.2 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec32.compatibility.20091207.pdf OpenGL 3.2 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.1.50.11.pdf OpenGL Shading Language 1.50.11 Specification]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=261641#Post261641 Official feedback on OpenGL 3.2 thread]
* [http://www.g-truc.net/post-0170.html OpenGL 3.2 review]




=== OpenGL 3.3 (2010) ===
=== OpenGL 1.5 (2003) ===
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Shading language 3.30
  |Buffer objects
  |ARB_shader_bit_encoding
  |ARB_vertex_buffer_object
  |-
  |-
  |New blending functions
  |Occlusion query
  |ARB_blend_func_extended
  |ARB_occlusion_query
  |-
  |-
  |Attribute locations
  |Shadow functions
  |ARB_explicit_attrib_location
  |EXT_shadow_funcs
|-
|Simple boolean occlusion queries
|ARB_occlusion_query2
|-
|Sampler objects
|ARB_sampler_objects
|-
|A new texture format for unsigned 10.10.10.2
|ARB_texture_rgb10_a2ui
|-
|Texture swizzle
|ARB_texture_swizzle
|-
|Timer query
|ARB_timer_query
|-
|Instanced arrays
|ARB_instanced_arrays
|-
|Vertex attributes 2.10.10.10
|ARB_vertex_type_2_10_10_10_rev
  |}
  |}


Links:
=== OpenGL 1.4 (2002) ===
* [http://www.opengl.org/registry/doc/glspec33.core.20100311.pdf OpenGL 3.3 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec33.compatibility.20100311.pdf OpenGL 3.3 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.3.30.6.clean.pdf OpenGL Shading Language 3.30.9 Specification]
* [http://www.opengl.org/sdk/docs/man3 OpenGL 3.3 Reference Pages]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=273669#Post273669 Official feedback on OpenGL 3.3 thread]
* [http://www.g-truc.net/post-0267.html OpenGL 3.3 review]
 
 
=== OpenGL 4.0 (2010) ===
{|
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Shading language 4.00
  |Automatic mipmap generation
  |ARB_texture_query_lod, ARB_gpu_shader5, ARB_gpu_shader_fp64, ARB_shader_subroutine, ARB_texture_gather
  |SGIS_generate_mipmap
  |-
  |-
  |Individual blend equations for each color output
  |Blend squaring
  |ARB_draw_buffers_blend
  |NV_blend_equare
  |-
  |-
  |Draw instanced arrays indirect
  |Depth textures and shadows
  |ARB_draw_indirect
  |ARB_depth_texture, ARB_shadow
  |-
  |-
  |Request minimum number of fragment inputs
  |Fog coordinate
  |ARB_sample_shading
  |EXT_fog_coord
  |-
  |-
  |Tessellation control and evaluation shaders
  |Multiple draw arrays
  |ARB_tessellation_shader
  |EXT_multi_draw_arrays
  |-
  |-
  |[[Buffer Texture]] formats RGB32F, RGB32I, RGB32UI
  |Point parameters
  |ARB_texture_buffer_object_rgb32
  |ARB_point_parameters
  |-
  |-
  |Cube map array textures
  |Secondary color
  |ARB_texture_cube_map_array
  |EXT_secondary_color
  |-
  |-
  |Additional transform feedback functionality
  |Separate blend functions
  |ARB_transform_feedback2, ARB_transform_feedback3
  |EXT_blend_func_separate
|}
 
Links:
* [http://www.opengl.org/registry/doc/glspec40.core.20100311.pdf OpenGL 4.0 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec40.compatibility.20100311.pdf OpenGL 4.0 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.4.00.9.clean.pdf OpenGL Shading Language 4.00.9 Specification]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=273669#Post273669 Official feedback on OpenGL 4.0 thread]
* [http://www.g-truc.net/post-0269.html OpenGL 4.0 review]
 
=== OpenGL 4.1 (2010) ===
{|
!Addition
!Promoted from
  |-
  |-
  |Query and load a binary blob for program objects
  |Stencil wrap
  |[http://www.opengl.org/registry/specs/ARB/get_program_binary.txt ARB_get_program_binary]
  |EXT_stencil_wrap
  |-
  |-
  |Ability to [[GLSL_Object#Program separation|bind programs individually to programmable stages]]
  |Texture crossbar env mode
  |[http://www.opengl.org/registry/specs/ARB/separate_shader_objects.txt ARB_separate_shader_objects]
  |ARB_texture_env_crossbar
  |-
  |-
  |Pulling missing functionality from [[OpenGL ES]] 2.0 into OpenGL
  |Texture LOD bias
  |[http://www.opengl.org/registry/specs/ARB/ES2_compatibility.txt ARB_ES2_compatibility]
  |EXT_texture_lod_bias
  |-
  |-
  |Documents precision requirements for several FP operations
  |Texture mirrored repeat
  |[http://www.opengl.org/registry/specs/ARB/shader_precision.txt ARB_shader_precision]
  |ARB_texture_mirrored_repeat
  |-
  |-
  |Provides 64-bit floating-point component vertex shader inputs
  |Window raster position
  |[http://www.opengl.org/registry/specs/ARB/vertex_attrib_64bit.txt ARB_vertex_attrib_64_bit]
  |ARB_window_pos
|-
|Multiple viewports for the same rendering surface, or one per surface
|[http://www.opengl.org/registry/specs/ARB/viewport_array.txt ARB_viewport_array]
  |}
  |}


Links:
=== OpenGL 1.3 (2001) ===
* [http://www.opengl.org/registry/doc/glspec41.core.20100725.pdf OpenGL 4.1 Core Profile Specification]
{|
* [http://www.opengl.org/registry/doc/glspec41.compatibility.20100725.pdf OpenGL 4.1 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.4.10.6.clean.pdf OpenGL Shading Language 4.10.6 Specification]
* [http://www.opengl.org/sdk/docs/man3 OpenGL 4.1 Reference Pages]
* [http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=280739#Post280739 Official feedback on OpenGL 4.1 thread]
* [http://www.g-truc.net/post-0320.html OpenGL 4.1 review]
* [http://rastergrid.com/blog/2010/08/an-introduction-to-opengl-4-1 An Introduction to OpenGL 4.1]
 
=== OpenGL 4.2 (2011) ===
{| class="wikitable"
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Allows atomically incrementing/decrementing and fetching of buffer object memory locations from shaders.
  |Compressed textures
  |[http://www.opengl.org/registry/specs/ARB/shader_atomic_counters.txt ARB_shader_atomic_counters]
  |ARB_texture_compression
  |-
  |-
  |Allows shaders to read and write images, without filtering and mostly arbitrarily.
  |Cube map textures
  |[http://www.opengl.org/registry/specs/ARB/shader_image_load_store.txt ARB_shader_image_load_store]
  |ARB_texture_cube_map
  |-
  |-
  |Allows texture objects to have [[Texture#Texture Storage|the storage for all of their mipmap levels allocated at once]]. When using this API, the texture object's storage can never be changed again, but the ''contents'' of that storage can.
  |Multisample
  |[http://www.opengl.org/registry/specs/ARB/texture_storage.txt ARB_texture_storage]
  |ARB_multisample
  |-
  |-
  |Allows instanced rendering of data written by transform feedback operations.
  |Multitexture
  |[http://www.opengl.org/registry/specs/ARB/transform_feedback_instanced.txt ARB_transform_feedback_instanced]
  |ARB_multitexture
  |-
  |-
  |Allows the setting of [[Uniform_Buffer_Object#Version_4.20_binding|Uniform Buffer Object]] and [[GLSL_Samplers#Verison_4.20_binding|sampler]] binding points directly from GLSL, among many, ''many'' other things.
  |Texture add env mode
  |[http://www.opengl.org/registry/specs/ARB/shading_language_420pack.txt ARB_shading_language_420pack]
  |ARB_texture_env_add
  |-
  |-
  |Allows the use of certain advanced compression techniques.
  |Texture combine env mode
  |[http://www.opengl.org/registry/specs/ARB/texture_compression_bptc.txt ARB_texture_compression_BPTC]
  |ARB_texture_env_combine
  |-
  |-
  |Allows instanced rendering with a starting instance value.
  |Texture dot3 env mode
  |[http://www.opengl.org/registry/specs/ARB/base_instance.txt ARB_base_instance]
  |ARB_texture_env_dot3
  |-
  |-
  |Allows the user to detect the maximum number of samples possible for a particular [[Image Format|image format]] and [[Texture#Theory|texture type]]
  |Texture border clamp
|[http://www.opengl.org/registry/specs/ARB/internalformat_query.txt ARB_internalformat_query]
  |ARB_texture_border_clamp
|-
|Allows for sub-rectangle selection when transferring compressed texture data.
|[http://www.opengl.org/registry/specs/ARB/compressed_texture_pixel_storage.txt ARB_compressed_texture_pixel_storage]
|-
|Allows unpacking 16-bit floats from a 32-bit unsigned integer value.
|[http://www.opengl.org/registry/specs/ARB/shading_language_packing.txt ARB_shading_language_packing]
|-
|Allows querying of the alignment for pointers returned from [[Buffer_Object#Mapping|buffer object mapping operations]].
|[http://www.opengl.org/registry/specs/ARB/map_buffer_alignment.txt ARB_map_buffer_alignment]
|-
|Allows explicitly defining how a fragment shader will modify the depth value, so that the system can optimize these cases better.
  |[http://www.opengl.org/registry/specs/ARB/conservative_depth.txt ARB_conservative_depth]
  |-
  |-
|Transpose matrix
|ARB_transpose_matrix
  |}
  |}


=== OpenGL 4.3 (2012) ===
=== OpenGL 1.2.1 (1998) ===
{| class="wikitable"
This version defines ARB extensions concept. ARB extensions are not required to be supported by a conformant OpenGL
implementation, but are expected to be widely available; they define
functionality that is likely to move into the required feature set in a future
revision of the specification.
 
GL implementations of such later revisions should continue to export the name
strings of promoted extensions in the EXTENSIONS string, and continue to support
the ARB-affixed versions of functions and enumerants as a transition aid.
 
=== OpenGL 1.2 (1998) ===
{|
  !Addition
  !Addition
  !Promoted from
  !Promoted from
  |-
  |-
  |Debug messaging
  |3D textures
  |[http://www.opengl.org/registry/specs/KHR/debug.txt KHR_debug],
  |EXT_texture3D
 
[http://www.opengl.org/registry/specs/ARB/debug_group.txt ARB_debug_group],
 
[http://www.opengl.org/registry/specs/ARB/debug_label.txt ARB_debug_label],
 
[http://www.opengl.org/registry/specs/ARB/debug_output2.txt ARB_debug_output2]
  |-
  |-
  |GLSL multidimensional arrays
  |BGRA pixel formats
  |[http://www.opengl.org/registry/specs/ARB/arrays_of_arrays.txt ARB_arrays_of_arrays]
  |EXT_bgra
  |-
  |-
  |Clear [[Buffer Object]]s to specific values, ala {{code|memset}}
  |Packed pixel formats
  |[http://www.opengl.org/registry/specs/ARB/clear_buffer_object.txt ARB_clear_buffer_object]
  |EXT_packed_pixels
  |-
  |-
  |Arbitrary compute shaders
  |Normal rescaling
  |[http://www.opengl.org/registry/specs/ARB/compute_shader.txt ARB_compute_shader]
  |EXT_rescale_normal
  |-
  |-
  |Arbitrary image copying
  |Separate specular color
  |[http://www.opengl.org/registry/specs/ARB/copy_image.txt ARB_copy_image]
  |EXT_separate_specular_color
  |-
  |-
  |Compatibility with OpenGL ES 3.0
  |Texture coordinate edge clamping
  |[http://www.opengl.org/registry/specs/ARB/ES3_compatibility.txt ARB_ES3_compatibility]
  |SGIS_texture_edge_clamp
  |-
  |-
  |Specifying uniform locations in a shader
  |Texture LOD control
  |[http://www.opengl.org/registry/specs/ARB/explicit_uniform_location.txt ARB_explicit_uniform_location]
  |SGIS_texture_lod
  |-
  |-
  |Layer and viewport indices available from the fragment shader
  |Vertex array draw element range
  |[http://www.opengl.org/registry/specs/ARB/fragment_layer_viewport.txt ARB_fragment_layer_viewport]
|EXT_draw_range_elements
  |}
==== Imaging subset (optional) ====
{|
!Addition
!Promoted from
  |-
  |-
  |Rendering to a [[Framebuffer Object]] that has no attachments
  |Color Tables
  |[http://www.opengl.org/registry/specs/ARB/framebuffer_no_attachments.txt ARB_framebuffer_no_attachments]
  |EXT_color_table, EXT_color_subtable
  |-
  |-
  |Querying support information about [[Image Format]]s
  |Convolution
  |[http://www.opengl.org/registry/specs/ARB/internalformat_query2.txt ARB_internalformat_query2]
  |EXT_convolution, EXT_convolution_border_modes
  |-
  |-
  |Texture, buffer object, and framebuffer invalidation.
  |Color matrix
  |[http://www.opengl.org/registry/specs/ARB/invalidate_subdata.txt ARB_invalidate_subdata]
  |EXT_color_matrix
  |-
  |-
  |Issuing multiple indirect rendering commands from a single draw command.
  |Pixel data statistics
  |[http://www.opengl.org/registry/specs/ARB/multi_draw_indirect.txt ARB_multi_draw_indirect]
  |EXT_histogram
  |-
  |-
  |Improved API for getting info about program object values
  |Constant blend color
  |[http://www.opengl.org/registry/specs/ARB/program_interface_query.txt ARB_program_interface_query]
  |EXT_blend_color
  |-
  |-
  |More robustness of API
  |New blending equations
  |[http://www.opengl.org/registry/specs/ARB/robust_buffer_access_behavior.txt ARB_robust_buffer_access_behavior],
  |EXT_blend_minmax, EXT_blend_substract
|}


[http://www.opengl.org/registry/specs/ARB/robustness_isolation.txt ARB_robustness_isolation],
=== OpenGL 1.1 (1997) ===
 
{|
[http://www.opengl.org/registry/specs/ARB/wgl_robustness_isolation.txt WGL_ARB_robustness_isolation],
!Addition
 
!Promoted from
[http://www.opengl.org/registry/specs/ARB/glx_robustness_isolation.txt GLX_ARB_robustness_isolation]
  |-
  |-
  |Get size of images from GLSL
  |Vertex arrays
  |[http://www.opengl.org/registry/specs/ARB/shader_image_size.txt ARB_shader_image_size]
  |EXT_vertex_array
  |-
  |-
  |Buffer object read-write access from shader, via a uniform-block style mechanism
  |Polygon offset
  |[http://www.opengl.org/registry/specs/ARB/shader_storage_buffer_object.txt ARB_shader_storage_buffer_object]
  |EXT_polygon_offset
  |-
  |-
  |Accessing the stencil values from a depth/stencil texture
  |Logical operation
  |[http://www.opengl.org/registry/specs/ARB/stencil_texturing.txt ARB_stencil_texturing]
  |EXT_blend_logic_op
  |-
  |-
  |[[Buffer Texture]]s can now be bound to a range of a buffer object rather than the whole thing
  |Internal texture formats
  |[http://www.opengl.org/registry/specs/ARB/texture_buffer_range.txt ARB_texture_buffer_range]
  |EXT_texture
  |-
  |-
  |GLSL can detect the available mipmap pyramid of a sampler or image
  |GL_REPLACE texture env
  |[http://www.opengl.org/registry/specs/ARB/texture_query_levels.txt ARB_texture_query_levels]
  |EXT_texture
  |-
  |-
  |Texture storage for multisample textures
  |Texture proxy
  |[http://www.opengl.org/registry/specs/ARB/texture_storage_multisample.txt ARB_texture_storage_multisample]
  |EXT_texture
  |-
  |-
  |The ability to create a new texture, with a new internal format, that references an existing texture's storage
  |Copy texture and subtexture
  |[http://www.opengl.org/registry/specs/ARB/texture_view.txt ARB_texture_view]
  |EXT_copy_texture, EXT_subtexture
|-
|Separation of vertex format from buffer object association
|[http://www.opengl.org/registry/specs/ARB/vertex_attrib_binding.txt ARB_vertex_attrib_binding]
  |-
  |-
|Texture objects
|EXT_texture_object
  |}
  |}


 
=== OpenGL 1.0 (1992) ===
Links:
First release.
* [http://www.opengl.org/registry/doc/glspec42.core.20110808.pdf OpenGL 4.2 Core Profile Specification]
* [http://www.opengl.org/registry/doc/glspec42.compatibility.20110808.pdf OpenGL 4.2 Compatibility Profile Specification]
* [http://www.opengl.org/registry/doc/GLSLangSpec.4.20.6.clean.pdf OpenGL Shading Language 4.20.6 Specification]

Revision as of 23:55, 6 August 2012

Overview

OpenGL was first created as an open and reproducable alternative to Iris GL which had been the proprietary graphics API on Silicon Graphics workstations. Although OpenGL was initially similar in some respects to IrisGL the lack of a formal specification and conformance tests made Iris GL unsuitable for broader adoption. Mark Segal and Kurt Akeley authored the OpenGL 1.0 specification which tried to formalize the definition of a useful graphics API and made cross platform non-SGI 3rd party implementation and support viable. One notable omission from version 1.0 of the API was texture objects. IrisGL had definition and bind stages for all sorts of objects including materials, lights, textures and texture environments. OpenGL eschewed these objects in favor of incremental state changes with the idea that collective changes could be encapsulated in display lists. This has remained the philosophy with the exception that texture objects (glBindTexture) with no distinct definition stage are a key part of the API.

OpenGL has been through a number of revisions which have predominantly been incremental additions where extensions to the core API have gradually been incorporated into the main body of the API. For example OpenGL 1.1 added the glBindTexture extension to the core API.

OpenGL 2.0 incorporates the significant addition of the OpenGL Shading Language (also called GLSL), a C like language with which the transformation and fragment shading stages of the pipeline can be programmed.

OpenGL 3.0 adds the concept of deprecation: marking certain features as subject to removal in later versions. GL 3.1 removed most deprecated features, and GL 3.2 created the notion of core and compatibility OpenGL contexts.

Official versions of OpenGL released to date are 1.0, 1.1, 1.2, 1.2.1, 1.3, 1.4, 1.5, 2.0, 2.1, 3.0, 3.1, 3.2, 3.3, 4.0, 4.1, 4.2, 4.3.

Summary of version changes

This is summary of all changes made in OpenGL specifications through its development. More information about changes may be obtained in OpenGL specification for the version. (In appendix.)

Almost all additions are promoted from some extensions.

OpenGL 4.3 (2012)

Addition Promoted from
Debug messaging KHR_debug,

ARB_debug_group,

ARB_debug_label,

ARB_debug_output2

GLSL multidimensional arrays ARB_arrays_of_arrays
Clear Buffer Objects to specific values, ala memset ARB_clear_buffer_object
Arbitrary compute shaders ARB_compute_shader
Arbitrary image copying ARB_copy_image
Compatibility with OpenGL ES 3.0 ARB_ES3_compatibility
Specifying uniform locations in a shader ARB_explicit_uniform_location
Layer and viewport indices available from the fragment shader ARB_fragment_layer_viewport
Rendering to a Framebuffer Object that has no attachments ARB_framebuffer_no_attachments
Querying support information about Image Formats ARB_internalformat_query2
Texture, buffer object, and framebuffer invalidation. ARB_invalidate_subdata
Issuing multiple indirect rendering commands from a single draw command. ARB_multi_draw_indirect
Improved API for getting info about program object values ARB_program_interface_query
More robustness of API ARB_robust_buffer_access_behavior,

ARB_robustness_isolation,

WGL_ARB_robustness_isolation,

GLX_ARB_robustness_isolation

Get size of images from GLSL ARB_shader_image_size
Buffer object read-write access from shader, via a uniform-block style mechanism ARB_shader_storage_buffer_object
Accessing the stencil values from a depth/stencil texture ARB_stencil_texturing
Buffer Textures can now be bound to a range of a buffer object rather than the whole thing ARB_texture_buffer_range
GLSL can detect the available mipmap pyramid of a sampler or image ARB_texture_query_levels
Texture storage for multisample textures ARB_texture_storage_multisample
The ability to create a new texture, with a new internal format, that references an existing texture's storage ARB_texture_view
Separation of vertex format from buffer object association ARB_vertex_attrib_binding

Links:


OpenGL 4.2 (2011)

Addition Promoted from
Allows atomically incrementing/decrementing and fetching of buffer object memory locations from shaders. ARB_shader_atomic_counters
Allows shaders to read and write images, without filtering and mostly arbitrarily. ARB_shader_image_load_store
Allows texture objects to have the storage for all of their mipmap levels allocated at once. When using this API, the texture object's storage can never be changed again, but the contents of that storage can. ARB_texture_storage
Allows instanced rendering of data written by transform feedback operations. ARB_transform_feedback_instanced
Allows the setting of Uniform Buffer Object and sampler binding points directly from GLSL, among many, many other things. ARB_shading_language_420pack
Allows the use of certain advanced compression techniques. ARB_texture_compression_BPTC
Allows instanced rendering with a starting instance value. ARB_base_instance
Allows the user to detect the maximum number of samples possible for a particular image format and texture type ARB_internalformat_query
Allows for sub-rectangle selection when transferring compressed texture data. ARB_compressed_texture_pixel_storage
Allows unpacking 16-bit floats from a 32-bit unsigned integer value. ARB_shading_language_packing
Allows querying of the alignment for pointers returned from buffer object mapping operations. ARB_map_buffer_alignment
Allows explicitly defining how a fragment shader will modify the depth value, so that the system can optimize these cases better. ARB_conservative_depth

Links:

OpenGL 4.1 (2010)

Addition Promoted from
Query and load a binary blob for program objects ARB_get_program_binary
Ability to bind programs individually to programmable stages ARB_separate_shader_objects
Pulling missing functionality from OpenGL ES 2.0 into OpenGL ARB_ES2_compatibility
Documents precision requirements for several FP operations ARB_shader_precision
Provides 64-bit floating-point component vertex shader inputs ARB_vertex_attrib_64_bit
Multiple viewports for the same rendering surface, or one per surface ARB_viewport_array

Links:

OpenGL 4.0 (2010)

Addition Promoted from
Shading language 4.00 ARB_texture_query_lod, ARB_gpu_shader5, ARB_gpu_shader_fp64, ARB_shader_subroutine, ARB_texture_gather
Individual blend equations for each color output ARB_draw_buffers_blend
Draw instanced arrays indirect ARB_draw_indirect
Request minimum number of fragment inputs ARB_sample_shading
Tessellation control and evaluation shaders ARB_tessellation_shader
Buffer Texture formats RGB32F, RGB32I, RGB32UI ARB_texture_buffer_object_rgb32
Cube map array textures ARB_texture_cube_map_array
Additional transform feedback functionality ARB_transform_feedback2, ARB_transform_feedback3

Links:

OpenGL 3.3 (2010)

Addition Promoted from
Shading language 3.30 ARB_shader_bit_encoding
New blending functions ARB_blend_func_extended
Attribute locations ARB_explicit_attrib_location
Simple boolean occlusion queries ARB_occlusion_query2
Sampler objects ARB_sampler_objects
A new texture format for unsigned 10.10.10.2 ARB_texture_rgb10_a2ui
Texture swizzle ARB_texture_swizzle
Timer query ARB_timer_query
Instanced arrays ARB_instanced_arrays
Vertex attributes 2.10.10.10 ARB_vertex_type_2_10_10_10_rev

Links:

OpenGL 3.2 (2009)

  • Core and compatibility profiles
  • Shading language 1.50
Addition Promoted from
BGRA vertex component ordering ARB_vertext_array_bgra
Drawing command allowing modification of the base vertex index ARB_draw_elements_base_vertex
Shader fragment coordinate convention control ARB_fragment_coord_conventions
Provoking vertex control ARB_provoking_vertex
Seamless cube map filtering ARB_seamless_cube_map
Multisampled textures and texture samplers for specific sample locations ARB_texture_multisample
Fragment depth clamping ARB_depth_clamp
Geometry shaders ARB_geometry_shader4
Fence sync objects ARB_sync

Links:

OpenGL 3.1 (2009)

  • All features deprecated in OpenGL 3.0 are removed except wide lines
  • Shading language 1.40
  • SNORM texture component formats
Addition Promoted from
Instanced rendering with a per instance counter accessible to vertex shaders ARB_draw_instanced
Data copying between buffer objects EXT_copy_buffer
Primitive restart NV_primitive_restart
Texture buffer objects ARB_texture_buffer_object
Rectangular textures ARB_texture_rectangle
Uniform buffer objects ARB_uniform_buffer_object

Links:

OpenGL 3.0 (2008)

  • New context creation mechanism
  • Full and forward compatible context
  • Profiles
  • Mapping buffer subranges into client space
  • Single- and double-channel (R and RG) internal formats for textures and renderbuffers
Addition Promoted from
Conditional rendering NV_conditional_rendering
Floating-point color and depth internal formats for textures and render buffers ARB_color_buffer_float, NV_depth_buffer_float, ARB_texture_float, EXT_packed_float, EXT_texture_shared_exponent
Framebuffer objects EXT_framebuffer_object
Half-float (16-bit) vertex array and pixel data formats NV_half_float, ARB_half_float_pixel
Multisample stretch blit functionality EXT_framebuffer_multisample, EXT_framebuffer_blit
Non-normalized integer color internal formats for textures and renderbuffers EXT_texture_integer
1D and 2D layered texture targets EXT_texture_array
Packed depth/stencil internal formats for combined depth+stencil textures and renderbuffers EXT_packed_depth_stencil
Per-color-attachment blend enables and color writemasks EXT_draw_buffers2
RGTC specific internal compressed formats EXT_texture_compression_rgtc
Transform feedback EXT_transform_feedback
Vertex array objects APPLE_vertex_array_object
sRGB framebuffer mode EXT_framebuffer_sRGB

Deprecation Model

OpenGL 3 specification marks many features as deprecated, which will be removed in next versions. This features include:

  • Application-generated object names
  • Color index mode
  • Shading language 1.10 and 1.20
  • Begin/End primitive specification
  • Edge flags
  • Fixed function vertex processing!
  • Client vertex arrays
  • Rectangles
  • Current raster position
  • Two-sided color selection
  • Non-sprite points
  • Wide lines and line stripple
  • Quadrilateral and polygon primitives
  • Separate polygon draw mode
  • Polygon stripple
  • Pixel transfer modes and operations
  • Pixel drawing
  • Bitmaps
  • Legacy OpenGL 1.0 pixel formats
  • Legacy pixel formats
  • Depth texture mode
  • Texture wrap mode CLAMP
  • Texture borders
  • Automatic mipmap generation
  • Fixed function fragment processing
  • Alpha test
  • Accumulation buffers
  • Context framebuffer size queries
  • Evaluators
  • Selection and feedback mode
  • Display lists
  • Hints
  • Attribute stacks
  • Unified extension string

Links:

OpenGL 2.1 (2006)

Core features:

Addition Promoted from
Pixel buffer objects ARB_pixel_buffer_object
sRGB textures EXT_texture_sRGB

Shading language 1.20:

  • Non-square matrices in GLSL.

Links:

OpenGL 2.0 (2004)

Addition Promoted from
Shader objects ARB_shader_objects, heavily modified
Shader programs ARB_vertex_shader, ARB_fragment_shader, heavily modified
Shading language 1.10 ARB_shading_language_100, heavily modified
Multiple render targets ARB_draw_buffers
Non-power-of-two textures ARB_texture_non_power_of_two
Point sprites ARB_point_sprite
Separate stencil ATI_separate_stencil, EXT_stencil_two_side


OpenGL 1.5 (2003)

Addition Promoted from
Buffer objects ARB_vertex_buffer_object
Occlusion query ARB_occlusion_query
Shadow functions EXT_shadow_funcs

OpenGL 1.4 (2002)

Addition Promoted from
Automatic mipmap generation SGIS_generate_mipmap
Blend squaring NV_blend_equare
Depth textures and shadows ARB_depth_texture, ARB_shadow
Fog coordinate EXT_fog_coord
Multiple draw arrays EXT_multi_draw_arrays
Point parameters ARB_point_parameters
Secondary color EXT_secondary_color
Separate blend functions EXT_blend_func_separate
Stencil wrap EXT_stencil_wrap
Texture crossbar env mode ARB_texture_env_crossbar
Texture LOD bias EXT_texture_lod_bias
Texture mirrored repeat ARB_texture_mirrored_repeat
Window raster position ARB_window_pos

OpenGL 1.3 (2001)

Addition Promoted from
Compressed textures ARB_texture_compression
Cube map textures ARB_texture_cube_map
Multisample ARB_multisample
Multitexture ARB_multitexture
Texture add env mode ARB_texture_env_add
Texture combine env mode ARB_texture_env_combine
Texture dot3 env mode ARB_texture_env_dot3
Texture border clamp ARB_texture_border_clamp
Transpose matrix ARB_transpose_matrix

OpenGL 1.2.1 (1998)

This version defines ARB extensions concept. ARB extensions are not required to be supported by a conformant OpenGL implementation, but are expected to be widely available; they define functionality that is likely to move into the required feature set in a future revision of the specification.

GL implementations of such later revisions should continue to export the name strings of promoted extensions in the EXTENSIONS string, and continue to support the ARB-affixed versions of functions and enumerants as a transition aid.

OpenGL 1.2 (1998)

Addition Promoted from
3D textures EXT_texture3D
BGRA pixel formats EXT_bgra
Packed pixel formats EXT_packed_pixels
Normal rescaling EXT_rescale_normal
Separate specular color EXT_separate_specular_color
Texture coordinate edge clamping SGIS_texture_edge_clamp
Texture LOD control SGIS_texture_lod
Vertex array draw element range EXT_draw_range_elements

Imaging subset (optional)

Addition Promoted from
Color Tables EXT_color_table, EXT_color_subtable
Convolution EXT_convolution, EXT_convolution_border_modes
Color matrix EXT_color_matrix
Pixel data statistics EXT_histogram
Constant blend color EXT_blend_color
New blending equations EXT_blend_minmax, EXT_blend_substract

OpenGL 1.1 (1997)

Addition Promoted from
Vertex arrays EXT_vertex_array
Polygon offset EXT_polygon_offset
Logical operation EXT_blend_logic_op
Internal texture formats EXT_texture
GL_REPLACE texture env EXT_texture
Texture proxy EXT_texture
Copy texture and subtexture EXT_copy_texture, EXT_subtexture
Texture objects EXT_texture_object

OpenGL 1.0 (1992)

First release.

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