The OpenGL Extension Wrangler Library

Copyright (C) 2002-2008, Milan Ikits <milan ikits[]ieee="" org=""></milan>

Copyright (C) 2002-2008, Marcelo E. Magallon <mmagallo[]debian org=""></mmagallo[]debian>

Copyright (C) 2002, Lev Povalahev

All rights reserved.

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modification, are permitted provided that the following conditions are met:

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  this list of conditions and the following disclaimer.

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  this list of conditions and the following disclaimer in the documentation 

  and/or other materials provided with the distribution.

* The name of the author may be used to endorse or promote products 

  derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 

AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 

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Latest Release: 1.9.0

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Last Update: 08-06-12

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The OpenGL Extension Wrangler Library

Change Log

1.9.0 [08-06-12]

 New features:

 Support for OpenGL 4.2

 New extensions:

 GL_ARB_ES3_compatibility

 GL_ARB_clear_buffer_object

 GL_ARB_compute_shader

 GL_ARB_copy_image

 GL_ARB_explicit_uniform_location

 GL_ARB_fragment_layer_viewport

 GL_ARB_framebuffer_no_attachments

 GL_ARB_internalformat_query2

 GL_ARB_multi_draw_indirect

 GL_ARB_program_interface_query

 GL_ARB_robust_buffer_access_behavior

 GL_ARB_robustness_application_isolation

 GL_ARB_robustness_share_group_isolation

 GL_ARB_shader_image_size

 GL_ARB_shader_storage_buffer_object

 GL_ARB_stencil_texturing

 GL_ARB_texture_buffer_range

 GL_ARB_texture_query_levels

 GL_ARB_texture_storage_multisample

 GL_ARB_texture_view

 GL_ARB_vertex_attrib_binding

 GL_EXT_debug_marker

 GL_KHR_debug

 GL_REGAL_error_string

 GL_REGAL_extension_query

 GL_REGAL_log

 GLX_ARB_robustness_application_isolation

 GLX_ARB_robustness_share_group_isolation

 GLX_EXT_create_context_es_profile

 WGL_EXT_create_context_es_profile

 Bug fixes:

 Not using GLU library for Makefile builds.

1.8.0 [07-17-12]

 New extensions:

 GL_AMD_pinned_memory

 GL_AMD_query_buffer_object

 GL_AMD_stencil_operation_extended

 GL_AMD_vertex_shader_layer

 GL_AMD_vertex_shader_viewport_index

 GL_NV_bindless_texture

 GL_NV_shader_atomic_float

 GLX_EXT_swap_control_tear

 WGL_EXT_swap_control_tear

 WGL_NV_DX_interop2

 Bug fixes:

 MS Visual Studio 2010 projects added

 GLX_NV_video_out replaces GLX_NV_video_output

 ANSI C prototype for glewInit

 Improved CentOS build support

 Improved GL_ARB_gpu_shader_fp64 support

 ARB_texture_compression_bptc and ARB_copy_buffer constants

 Linux needs to define GLEW_STATIC for static library builds

 Custom code generation problem resolved

 GLEWAPIENTRY added to glew.h for calling convention customization

 Correction for glPathStencilDepthOffsetNV

 Resolve OSX gcc warnings

 Added build support for NetBSD

1.7.0 [08-26-11]

 New features:

 Support for OpenGL 4.2

 New extensions:

 GL_AMD_multi_draw_indirect

 GL_ARB_base_instance

 GL_ARB_compressed_texture_pixel_storage

 GL_ARB_conservative_depth

 GL_ARB_internalformat_query

 GL_ARB_map_buffer_alignment

 GL_ARB_shader_atomic_counters

 GL_ARB_shader_image_load_store

 GL_ARB_shading_language_420pack

 GL_ARB_shading_language_packing

 GL_ARB_texture_storage

 GL_ARB_transform_feedback_instanced

 GL_EXT_framebuffer_multisample_blit_scaled

 GL_NV_path_rendering

 GL_NV_path_rendering

 GLX_MESA_swap_control

 Bug fixes:

 const qualifiers for GL 1.4 MultiDrawArrays, MultiDrawElements

 Add glGetGraphicsResetStatusARB to GL_ARB_robustness

 Remove EXT suffix from GL_KTX_buffer_region entry points

 Solaris needs inttypes.h

 Add ERROR_INVALID_VERSION_ARB and ERROR_INVALID_PROFILE_ARB to WGL_ARB_create_context

 Add GLX_MESA_swap_control

 Set -install_name for OSX

 Add 64-bit darwin build option (SYSTEM=darwin_x86-64)

 Add GL_NV_path_rendering

1.6.0 [04-27-11]

 New extensions:

 GL_AMD_blend_minmax_factor

 GL_AMD_sample_positions

 GL_EXT_x11_sync_object

 GL_NV_texture_multisample

 GL_NV_video_capture

 GLX_NV_video_capture

 WGL_NV_DX_interop

 WGL_NV_video_capture

 Bug fixes:

 Define GLEW_NO_GLU for no glu dependency.

 mx suffix for GLEW MX libraries, build both libraries by default.

 Cygwin build improvements

 Soname of GLEWmx shared libraries

 Query GL extension string only once

 GLX_OML_sync_control no longer requires C99

 glDraw*InstancedARB moved from GL_ARB_draw_instanced to GL_ARB_instanced_arrays

 glFramebufferTextureLayerEXT moved from GL_EXT_geometry_shader4 to GL_EXT_texture_array

 Fixes for BSD build

1.5.8 [01-31-11]

 New extensions:

 GL_AMD_depth_clamp_separate

 GL_EXT_texture_sRGB_decode

 Bug fixes:

 Borland C++ fix for __int64

 GL_DOUBLE_MATNxM enumerants for OpenGL 4.0

 Correction to glGetTransformFeedbackVarying

 Correction to glSecondaryColorPointer

 Corrections to glGetVertexAttribPointerv and glGetShaderSource

 Switched code repository from svn to git

1.5.7 [11-03-10]

 New extension:

 GL_NVX_gpu_memory_info

 Bug fixes:

 Improved mingw32 build support

 Improved cygwin build support

 glGetPointervEXT fix

 Add GLEW_VERSION_1_2_1

1.5.6 [09-07-10]

 New features:

 Support for OpenGL 4.1

 New extensions:

 GL_ARB_ES2_compatibility

 GL_ARB_cl_event

 GL_ARB_debug_output

 GL_ARB_get_program_binary

 GL_ARB_robustness

 GL_ARB_separate_shader_objects

 GL_ARB_shader_precision

 GL_ARB_shader_stencil_export

 GL_ARB_vertex_attrib_64bit

 GL_ARB_viewport_array

 GLX_ARB_create_context_robustness

 GLX_EXT_create_context_es2_profile

 WGL_ARB_create_context_robustness

 WGL_EXT_create_context_es2_profile

1.5.5 [07-13-10]

 New extensions:

 GL_AMD_debug_output

 GL_AMD_name_gen_delete

 GL_AMD_transform_feedback3_lines_triangles

 GL_NV_multisample_coverage

 GL_NV_vdpau_interop

 GLX_AMD_gpu_association

 GLX_NV_multisample_coverage

 WGL_NV_multisample_coverage

 Bug fixes:

 Compilation issue with GLX_SGI_video_sync

 OpenGL 4.0 double-precision uniform functions added

 Constness of glPointParameterfvARB and glPointParameterfvEXT

 Added glVertexAttribDivisor

 Compilation issue with Nvidia GLX headers

1.5.4 [04-21-10]

 New features:

 Support for OpenGL 3.3

 Support for OpenGL 4.0

 New extensions:

 GL_AMD_conservative_depth

 GL_ARB_blend_func_extended

 GL_ARB_draw_indirect

 GL_ARB_explicit_attrib_location

 GL_ARB_gpu_shader5

 GL_ARB_gpu_shader_fp64

 GL_ARB_occlusion_query2

 GL_ARB_sampler_objects

 GL_ARB_shader_bit_encoding

 GL_ARB_shader_subroutine

 GL_ARB_shading_language_include

 GL_ARB_tessellation_shader

 GL_ARB_texture_buffer_object_rgb32

 GL_ARB_texture_compression_bptc

 GL_ARB_texture_rgb10_a2ui

 GL_ARB_texture_swizzle

 GL_ARB_timer_query

 GL_ARB_transform_feedback2

 GL_ARB_transform_feedback3

 GL_ARB_vertex_type_2_10_10_10_rev

 GL_EXT_shader_image_load_store

 GL_EXT_vertex_attrib_64bit

 GL_NV_gpu_program5

 GL_NV_gpu_program_fp64

 GL_NV_gpu_shader5

 GL_NV_tessellation_program5

 GL_NV_vertex_attrib_integer_64bit

 GLX_ARB_vertex_buffer_object

 Bug fixes:

 Parameter constness fix for glPointParameteriv and glPointParameterfv

1.5.3 [02-28-10]

 New extensions:

 GLX_INTEL_swap_event

 GL_AMD_seamless_cubemap_per_texture

 GL_AMD_shader_stencil_export

 Bug fixes:

 Correct version detection for GL 3.1 and 3.2

 Missing 3.1 enumerants

 Add glew.pc

1.5.2 [12-31-09]

 New features:

 Support for OpenGL 3.1

 Support for OpenGL 3.2

 New extensions:

 GL_AMD_draw_buffers_blend

 GL_AMD_performance_monitor

 GL_AMD_texture_texture4

 GL_AMD_vertex_shader_tessellator

 GL_APPLE_aux_depth_stencil

 GL_APPLE_object_purgeable

 GL_APPLE_rgb_422

 GL_APPLE_row_bytes

 GL_APPLE_vertex_program_evaluators

 GL_ARB_compatibility

 GL_ARB_copy_buffer

 GL_ARB_depth_clamp

 GL_ARB_draw_buffers_blend

 GL_ARB_draw_elements_base_vertex

 GL_ARB_fragment_coord_conventions

 GL_ARB_provoking_vertex

 GL_ARB_sample_shading

 GL_ARB_seamless_cube_map

 GL_ARB_shader_texture_lod

 GL_ARB_sync

 GL_ARB_texture_cube_map_array

 GL_ARB_texture_gather

 GL_ARB_texture_multisample

 GL_ARB_texture_query_lod

 GL_ARB_uniform_buffer_object

 GL_ARB_vertex_array_bgra

 GL_ATI_meminfo

 GL_EXT_provoking_vertex

 GL_EXT_separate_shader_objects

 GL_EXT_texture_snorm

 GL_NV_copy_image

 GL_NV_parameter_buffer_object2

 GL_NV_shader_buffer_load

 GL_NV_texture_barrier

 GL_NV_transform_feedback2

 GL_NV_vertex_buffer_unified_memory

 WGL_AMD_gpu_association

 WGL_ARB_create_context_profile

 WGL_NV_copy_image

 GLX_ARB_create_context_profile

 GLX_EXT_swap_control

 GLX_NV_copy_image

 Bug fixes:

 DOS line endings for windows .zip archives only.

 glTransformFeedbackVaryings arguments.

 Resource leak in glewinfo and visualinfo tools.

 WIN32_LEAN_AND_MEAN preprocessor pollution.

 Fixed version detection for GLEW_VERSION_2_1 and GLEW_VERSION_3_0.

 MesaGLUT glut.h GLAPIENTRY dependency.

 glFramebufferTextureLayer correction.

 OSX compiler warnings resolved.

 Cygwin linking to opengl32 by default, rather than X11 OpenGL.

 SnowLeopard (OSX 10.6) gl.h detection.

 Use $(STRIP) consistently.

1.5.1 [11-03-08]

 New features:

 Support for OpenGL 3.0

 New extensions:

 GL_ARB_depth_buffer_float

 GL_ARB_draw_instance,

 GL_ARB_framebuffer_object

 GL_ARB_framebuffer_sRGB

 GL_ARB_geometry_shader4

 GL_ARB_half_float_pixel

 GL_ARB_half_float_vertex

 GL_ARB_instanced_arrays

 GL_ARB_map_buffer_range

 GL_ARB_texture_buffer_object

 GL_ARB_texture_compression_rgtc

 GL_ARB_vertex_array_object

 GL_EXT_direct_state_access

 GL_EXT_texture_swizzle

 GL_EXT_transform_feedback

 GL_EXT_vertex_array_bgra

 GL_NV_conditional_render

 GL_NV_explicit_multisample

 GL_NV_present_video

 GL_SGIS_point_line_texgen

 GL_SGIX_convolution_accuracy

 WGL_ARB_create_context

 WGL_ARB_framebuffer_sRGB

 WGL_NV_present_video

 WGL_NV_swap_group

 WGL_NV_video_output

 GLX_ARB_create_context

 GLX_ARB_framebuffer_sRGB

 GLX_NV_present_video

 GLX_NV_swap_group

 GLX_NV_video_output

 Bug fixes:

 Licensing issues with documentation

 Problems with long long and _MSC_VER on MINGW 

 Incorrect parameter for glGetUniformLocation

 glewGetExtension fails on last entry 

 Incomplete GL_NV_texture_shader tokens

 Scripting problems on Cygwin

 Incorrect definition for GLint on OS X

1.5.0 [12-27-07]

 New features:

 Licensing change (BSD, Mesa 3-D, Khronos)

 Switch to using registry on www.opengl.org

 Support for major and minor version strings

 New extensions:

 GL_APPLE_flush_buffer_range

 GL_GREMEDY_frame_terminator

 GLX_EXT_texture_from_pixmap

 Bug fixes:

 Incorrent 64-bit type definitions

 Do not strip static library on install

 Missing tokens in GL_ATI_fragment_shader and WGL_{ARB,EXT}_make_current_read

 Missing tokens in GL_VERSION_2_1

 Missing functions in GL_VERSION_1_4

 Incorrect parameter type for glXCopyContext

1.4.0 [04-27-07]

 New features:

 Extension variables are declared const to avoid possible

corruption of their values

 New extensions:

 GL_NV_depth_range_unclamped

 Bug fixes:

 Incorrect tokens in GL_NV_transform_feedback and GL_NV_framebuffer_multisample_coverage

 Incorrect function names in GL_EXT_gpu_program_parameters

 Missing tokens in GL_EXT_framebuffer_multisample

 GLEW_MX initialization problem for WGL_{ARB,EXT}_extensions_string

1.3.6 [03-04-07]

 New extensions:

 GL_ATI_shader_texture_lod

 GL_EXT_gpu_program_parameters

 GL_NV_geometry_shader4

 WGL_NV_gpu_affinity

 GLX_SGIX_hyperpipe

 Bug fixes:

 Missing include guards in glxew.h

 Makefile and install problems for Cygwin builds

 Install problem for Linux AMD64 builds

 Incorrent token in GL_ATI_texture_compression_3dc

 Missing tokens from GL_ATIX_point_sprites

1.3.5 [11-21-06]

 New features:

 Support for core OpenGL 2.1

 Debug support for glewIsSupported

 New extensions:

 GL_EXT_bindable_uniform

 GL_EXT_draw_buffers2

 GL_EXT_draw_instanced

 GL_EXT_framebuffer_sRGB

 GL_EXT_geometry_shader4

 GL_EXT_gpu_shader4

 GL_EXT_packed_float

 GL_EXT_texture_array

 GL_EXT_texture_buffer_object

 GL_EXT_texture_compression_latc

 GL_EXT_texture_compression_rgtc

 GL_EXT_texture_integer

 GL_EXT_texture_shared_exponent

 GL_EXT_timer_query

 GL_NV_depth_buffer_float

 GL_NV_fragment_program4

 GL_NV_framebuffer_multisample_coverage

 GL_NV_geometry_program4

 GL_NV_gpu_program4

 GL_NV_parameter_buffer_object

 GL_NV_transform_feedback

 GL_NV_vertex_program4

 GL_OES_byte_coordinates

 GL_OES_compressed_paletted_texture

 GL_OES_read_format

 GL_OES_single_precision

 WGL_EXT_pixel_format_packed_float

 WGL_EXT_framebuffer_sRGB

 GLX_EXT_fbconfig_packed_float

 GLX_EXT_framebuffer_sRGB

 Bug fixes:

 Wrong GLXContext definition on Solaris

 Makefile problem for parallel builds

1.3.4 [03-04-06]

 New extensions:

 GL_EXT_framebuffer_blit

 GL_EXT_framebuffer_multisample

 GL_EXT_packed_depth_stencil

 GL_MESAX_texture_stack

 WGL_3DL_stereo_control

 Bug fixes:

 glBlendEquation missing from GL_ARB_imaging

 Wrong APIENTRY definition for Cygwin

 Incorrect OS X OpenGL types

 Unix 64-bit installation patch

1.3.3 [05-16-05]

 New feature:

 Code generation option to split source into multiple files

 Bug fixes:

 OpenGL 2.0 core initialization problems

 Wrong value for token GL_SHADER_TYPE

 Missing tokens in GL_ATI_fragment_shader

 Missing entry points in GL_ARB_transpose_matrix

1.3.2 [03-16-05]

 New extension:

 GL_APPLE_pixel_buffer

 Bug fixes:

 Missing OpenGL 2.0 entry points

 Missing tokens in GL_SGIX_shadow

 MinGW makefile problem

 Check for incorrect OpenGL version string on SiS hardware

 Documentation update to meet the HTML 4.01 Transitional specification

1.3.1 [02-02-05]

 New features:

 Consistent Unix and Windows versioning

 New extensions:

 GL_EXT_framebuffer_object

 GL_ARB_pixel_buffer_object

 Bug fixes:

 Missing OpenGL 2.0 tokens

 Incorrect typedefs (GLhandleARB and GLhalf)

 Borland compiler problems

1.3.0 [01-04-05]

 New features:

 Support for core OpenGL 2.0

 <tt>glewIsSupported</tt> provides efficient string-based extension checks

 Custom code generation from a list of extensions

 Makefile changes

 New extensions:

 WGL_ATI_render_texture_rectangle

 Bug fixes:

 Incorrect function signature in OpenGL 1.5 core

1.2.5 [12-06-04]

 New extensions:

GL_ATI_texture_compression_3dc

GL_EXT_Cg_shader

GL_EXT_draw_range_elements

GL_KTX_buffer_region

 Bug fixes:

 OpenGL version detection bug

 Problems with wxWindows and MinGW compilation

 <tt>visualinfo</tt> compilation problem with GLEW_MX specified

 Wrong token name in OpenGL 1.5 core

 Support for FreeBSD

1.2.4 [09-06-04]

 Added ARB_draw_buffers and ARB_texture_rectangle

 Fixed bug in ARB_shader_objects

 Replaced <tt>wglinfo</tt> with <tt>visualinfo</tt>

1.2.3 [06-10-04]

 Added GL_NV_fragment_program2, GL_NV_fragment_program_option, GL_NV_vertex_program2_option, GL_NV_vertex_program3

 Bug fix in GL_ARB_vertex_blend

1.2.2 [05-08-04]

 Added GL_EXT_pixel_buffer_object, removed GL_NV_element_array

 Fixed GLEW_MX problems