OpenGL » Command mapping

List of OpenGL commands corresponding to particular Magnum API.

Functions
- A
- B
- C
- D
- E
- F
- G
- H
- I
- L
- M
- O
- P
- Q
- R
- S
- T
- U
- V
- W
Limit and state queries

Note that you can also use the search functionality to find out which OpenGL API corresponds to which Magnum function, class or enum value. Just enter name of an OpenGL function, define or GLSL name into the search box.

Legend:

not needed — given feature is implemented in a way that makes the function unnecessary
not queryable, not supported — see Unsupported OpenGL features
(empty) — given feature is not yet implemented

Functions

A

OpenGL function	Matching API
glActiveShaderProgram()	not needed as glProgramUniform() calls are used
glActiveTexture()	GL::AbstractTexture::bind()
glAttachShader()	GL::AbstractShaderProgram::attachShader()

B

OpenGL function	Matching API
glBeginConditionalRender(), `glEndConditionalRender()`	GL::SampleQuery::beginConditionalRender(), GL::SampleQuery::endConditionalRender()
glBeginQuery(), `glEndQuery()`	GL::PrimitiveQuery::begin(), GL::SampleQuery::begin(), GL::TimeQuery::begin(), GL::AbstractQuery::end()
glBeginQueryIndexed(), `glEndQueryIndexed()`	GL::PrimitiveQuery::begin(UnsignedInt), GL::PrimitiveQuery::end()
glBeginTransformFeedback(), `glEndTransformFeedback()`	GL::TransformFeedback::begin(), GL::TransformFeedback::end()
glBindAttribLocation()	GL::AbstractShaderProgram::bindAttributeLocation()
glBindBuffer()	not needed, handled internally in GL::Buffer and elsewhere
glBindBufferBase(), glBindBuffersBase(), glBindBufferRange(), glBindBuffersRange()	GL::Buffer::bind(), GL::Buffer::unbind(), GL::TransformFeedback::attachBuffer(), GL::TransformFeedback::attachBuffers()
glBindFragDataLocation()	GL::AbstractShaderProgram::bindFragmentDataLocation()
glBindFragDataLocationIndexed()	GL::AbstractShaderProgram::bindFragmentDataLocationIndexed()
glBindFramebuffer()	GL::Framebuffer::bind()
glBindImageTexture(), glBindImageTextures()	GL::AbstractTexture::unbindImage(), GL::AbstractTexture::unbindImages(), GL::AbstractTexture::bindImages(), GL::Texture::bindImage(), GL::Texture::bindImageLayered(), GL::TextureArray::bindImage(), GL::TextureArray::bindImageLayered(), GL::CubeMapTexture::bindImage(), GL::CubeMapTexture::bindImageLayered(), GL::CubeMapTextureArray::bindImage(), GL::CubeMapTextureArray::bindImageLayered(), GL::MultisampleTexture::bindImage(), GL::MultisampleTexture::bindImageLayered(), GL::RectangleTexture::bindImage(), GL::BufferTexture::bindImage()
glBindProgramPipeline()
glBindRenderbuffer()	not needed, handled internally in GL::Renderbuffer
glBindSampler(), glBindSamplers()
glBindTexture(), glBindTextureUnit(), glBindTextures()	GL::AbstractTexture::bind()
glBindTransformFeedback()	not needed, handled internally in GL::TransformFeedback
glBindVertexArray()	not needed, handled internally in GL::Mesh
glBindVertexBuffer(), `glVertexArrayVertexBuffer()`, glBindVertexBuffers(), `glVertexArrayVertexBuffers()`
glBlendBarrierKHR()	GL::Renderer::blendBarrier()
glBlendColor()	GL::Renderer::setBlendColor()
glBlendEquation(), `glBlendEquationi()`, glBlendEquationSeparate(), `glBlendEquationSeparatei()`	GL::Renderer::setBlendEquation()
glBlendFunc(), `glBlendFunci()`, glBlendFuncSeparate(), `glBlendFuncSeparatei()`	GL::Renderer::setBlendFunction()
glBlitFramebuffer(), `glBlitNamedFramebuffer()`	GL::AbstractFramebuffer::blit()
glBufferData(), `glNamedBufferData()`	GL::Buffer::setData()
glBufferPageCommitmentARB(), `glNamedBufferPageCommitmentEXT()`, `glNamedBufferPageCommitmentARB()`
glBufferStorage(), `glNamedBufferStorage()`
glBufferSubData(), `glNamedBufferSubData()`	GL::Buffer::setSubData()

C

OpenGL function	Matching API
glCheckFramebufferStatus(), `glCheckNamedFramebufferStatus()`	GL::DefaultFramebuffer::checkStatus(), GL::Framebuffer::checkStatus()
glClampColor()
glClear()	GL::AbstractFramebuffer::clear()
glClearBuffer(), `glClearNamedFramebuffer()`	GL::AbstractFramebuffer::clearDepth(), GL::AbstractFramebuffer::clearStencil(), GL::AbstractFramebuffer::clearDepthStencil(), GL::DefaultFramebuffer::clearColor(), GL::Framebuffer::clearColor()
glClearBufferData(), `glClearNamedBufferData()`
glClearBufferSubData(), `glClearNamedBufferSubData()`
glClearColor()	GL::Renderer::setClearColor()
glClearDepth()	GL::Renderer::setClearDepth()
glClearStencil()	GL::Renderer::setClearStencil()
glClearTexImage()
glClearTexSubImage()
glClientWaitSync()
glClipControl()
glColorMask(), `glColorMaski()`	GL::Renderer::setColorMask()
glCompileShader()	GL::Shader::compile()
glCompressedTexImage1D(), glCompressedTexImage2D(), glCompressedTexImage3D()	GL::Texture::setCompressedImage(), GL::TextureArray::setCompressedImage(), GL::CubeMapTexture::setCompressedImage(), GL::CubeMapTextureArray::setCompressedImage(), GL::RectangleTexture::setCompressedImage()
glCompressedTexSubImage1D(), `glCompressedTextureSubImage1D()`, glCompressedTexSubImage2D(), `glCompressedTextureSubImage2D()`, glCompressedTexSubImage3D(), `glCompressedTextureSubImage3D()`	GL::Texture::setCompressedSubImage(), GL::TextureArray::setCompressedSubImage(), GL::CubeMapTexture::setCompressedSubImage(), GL::CubeMapTextureArray::setCompressedSubImage(), GL::RectangleTexture::setCompressedSubImage()
glCopyBufferSubData(), `glCopyNamedBufferSubData()`	GL::Buffer::copy()
glCopyImageSubData()
glCopyTexImage1D(), glCopyTexImage2D()	GL::Framebuffer::copyImage()
glCopyTexSubImage1D(), `glCopyTextureSubImage1D()`, glCopyTexSubImage2D(), `glCopyTextureSubImage2D()`, glCopyTexSubImage3D(), `glCopyTextureSubImage3D()`	GL::Framebuffer::copySubImage()
glCreateProgram(), glDeleteProgram()	GL::AbstractShaderProgram constructor and destructor
glCreateShader(), glDeleteShader()	GL::Shader constructor and destructor
glCreateShaderProgram()
glCullFace()	GL::Renderer::setFaceCullingMode()

D

OpenGL function	Matching API
glDebugMessageCallback()	GL::DebugOutput::setCallback()
glDebugMessageControl()	GL::DebugOutput::setEnabled()
glDebugMessageInsert(), glInsertEventMarkerEXT(), glStringMarkerGREMEDY()	GL::DebugMessage::insert()
glDepthFunc()	GL::Renderer::setDepthFunction()
glDepthMask()	GL::Renderer::setDepthMask()
glDepthRange()
glDepthRangeArray()
glDepthRangeIndexed()
glDetachShader()
glDispatchCompute()	GL::AbstractShaderProgram::dispatchCompute()
glDispatchComputeGroupSizeARB()
glDispatchComputeIndirect()
glDrawArrays(), glDrawArraysInstanced(), glDrawArraysInstancedBaseInstance(), glDrawElements(), glDrawRangeElements(), glDrawElementsBaseVertex(), glDrawRangeElementsBaseVertex(), glDrawElementsInstanced(), glDrawElementsInstancedBaseInstance(), glDrawElementsInstancedBaseVertex(), glDrawElementsInstancedBaseVertexBaseInstance()	GL::AbstractShaderProgram::drawTransformFeedback()
glDrawArraysIndirect(), glDrawElementsIndirect(), glMultiDrawArraysIndirect(), glMultiDrawElementsIndirect()
glDrawBuffer(), `glNamedFramebufferDrawBuffer()`, glDrawBuffers(), `glNamedFramebufferDrawBuffers()`	GL::DefaultFramebuffer::mapForDraw(), GL::Framebuffer::mapForDraw()
glDrawTransformFeedback(), glDrawTransformFeedbackInstanced(), glDrawTransformFeedbackStream(), glDrawTransformFeedbackStreamInstanced()	GL::AbstractShaderProgram::drawTransformFeedback()

E

OpenGL function	Matching API
glEnable() `glEnablei()`, `glDisable()`, `glDisablei()`	GL::Renderer::enable(), GL::Renderer::disable(), GL::Renderer::setFeature()
glEnableVertexAttribArray(), `glEnableVertexArrayAttrib()`, `glDisableVertexAttribArray()`, `glDisableVertexArrayAttrib()`, `glDisableVertexArrayAttribEXT()`	GL::Mesh::addVertexBuffer()
glEvaluateDepthValuesARB()

F

OpenGL function	Matching API
glFenceSync(), glDeleteSync()
glFinish()	GL::Renderer::finish()
glFlush()	GL::Renderer::flush()
glFlushMappedBufferRange(), `glFlushMappedNamedBufferRange()`	GL::Buffer::flushMappedRange()
glFramebufferParameter(), `glNamedFramebufferParameter()`
glFramebufferRenderbuffer(), `glNamedFramebufferRenderbuffer()`	GL::Framebuffer::attachRenderbuffer(), GL::Framebuffer::detach()
glFramebufferSampleLocationsfvARB(), `glNamedFramebufferSampleLocationsfvARB`
glFramebufferTexture(), `glNamedFramebufferTexture()`	GL::Framebuffer::attachLayeredTexture()
glFramebufferTexture1D(), `glFramebufferTexture2D()`	GL::Framebuffer::attachTexture(), GL::Framebuffer::attachCubeMapTexture()
glFramebufferTexture3D()	not used, glFramebufferTextureLayer() has more complete features
glFramebufferTextureLayer(), `glNamedFramebufferTextureLayer()`	GL::Framebuffer::attachTextureLayer(), GL::Framebuffer::attachCubeMapTexture()
glFramebufferTextureMultiviewOVR()
glFrontFace()	GL::Renderer::setFrontFace()

G

OpenGL function	Matching API
glGenBuffers(), glCreateBuffers(), glDeleteBuffers()	GL::Buffer constructor and destructor
glGenFramebuffers(), glCreateFramebuffers(), glDeleteFramebuffers()	GL::Framebuffer constructor and destructor
glGenProgramPipelines(), glCreateProgramPipelines(), glDeleteProgramPipelines()
glGenQueries(), glCreateQueries(), glDeleteQueries()	GL::AbstractQuery constructor and destructor
glGenRenderbuffers(), glCreateRenderbuffers(), glDeleteRenderbuffers()	GL::Renderbuffer constructor and destructor
glGenSamplers(), glCreateSamplers(), glDeleteSamplers()
glGenTextures(), glCreateTextures(), glDeleteTextures()	GL::AbstractTexture constructor and destructor
glGenTransformFeedbacks(), glCreateTransformFeedbacks(), glDeleteTransformFeedbacks()	GL::TransformFeedback constructor and destructor
glGenVertexArrays(), glCreateVertexArrays(), glDeleteVertexArrays()	GL::Mesh constructor and destructor
glGenerateMipmap(), `glGenerateTextureMipmap()`	GL::Texture::generateMipmap(), GL::TextureArray::generateMipmap(), GL::CubeMapTexture::generateMipmap(), GL::CubeMapTextureArray::generateMipmap()
glGet()	see table below
glGetActiveAtomicCounterBuffer()	not queryable
glGetActiveAttrib(), glGetActiveSubroutineName(), glGetActiveSubroutineUniform(), glGetActiveSubroutineUniformName(), glGetActiveUniform(), glGetActiveUniformBlock(), glGetActiveUniformBlockName(), glGetActiveUniformName(), glGetActiveUniforms()	not queryable
glGetAttachedShaders()	not queryable, GL::AbstractShaderProgram::attachShader() setter only
glGetAttribLocation()	not queryable, GL::AbstractShaderProgram::bindAttributeLocation() setter only
glGetBufferParameter(), `glGetNamedBufferParameter()`	GL::Buffer::size()
glGetBufferPointer(), `glGetNamedBufferPointer()`	not queryable, GL::Buffer::map() setter only
glGetBufferSubData(), `glGetNamedBufferSubData()`	GL::Buffer::data(), GL::Buffer::subData()
glGetCompressedTexImage(), `glGetnCompressedTexImage()`, glGetnCompressedTexImageARB(), `glGetCompressedTextureImage()`	GL::Texture::compressedImage(), GL::TextureArray::compressedImage(), GL::CubeMapTexture::compressedImage(), GL::CubeMapTextureArray::compressedImage(), GL::RectangleTexture::compressedImage()
glGetCompressedTextureSubImage()	GL::Texture::compressedSubImage(), GL::TextureArray::compressedSubImage(), GL::CubeMapTexture::compressedImage(), GL::CubeMapTexture::compressedSubImage(), GL::CubeMapTextureArray::compressedSubImage(), GL::RectangleTexture::compressedSubImage()
glGetDebugMessageLog()
glGetError()	GL::Renderer::error()
glGetFragDataIndex(), glGetFragDataLocation()	not queryable, GL::AbstractShaderProgram::bindFragmentDataLocation() and GL::AbstractShaderProgram::bindFragmentDataLocationIndexed() setters only
glGetFramebufferAttachmentParameter(), `glGetNamedFramebufferAttachmentParameter()`	not queryable, GL::Framebuffer setters only
glGetFramebufferParameter(), `glGetNamedFramebufferParameter()`	not queryable, GL::DefaultFramebuffer and GL::Framebuffer setters only
glGetGraphicsResetStatus(), glGetGraphicsResetStatusARB()	GL::Renderer::graphicsResetStatus()
glGetImageHandleARB()
glGetInternalformat()
glGetMultisample()
glGetObjectLabel(), glGetObjectPtrLabel()	GL::AbstractShaderProgram::label(), GL::AbstractQuery::label(), GL::AbstractTexture::label(), GL::Buffer::label(), GL::Framebuffer::label(), GL::Mesh::label(), GL::Renderbuffer::label(), GL::Shader::label()
glGetProgram(), glGetProgramInfoLog()	GL::AbstractShaderProgram::link(), GL::AbstractShaderProgram::validate()
glGetProgramBinary()
glGetProgramInterface()
glGetProgramPipeline()
glGetProgramPipelineInfoLog()
glGetProgramResource(), glGetProgramResourceIndex(), glGetProgramResourceLocation(), glGetProgramResourceLocationIndex(), glGetProgramResourceName()	not queryable, set them in shader code directly as described in GL::AbstractShaderProgram docs
glGetProgramStage()
glGetQueryIndexed()
glGetQueryObject()	GL::AbstractQuery::result()
glGetQueryBufferObject()
glGetQuery()
glGetRenderbufferParameter(), `glGetNamedRenderbufferParameter()`	not queryable, GL::Renderbuffer::setStorage() and GL::Renderbuffer::setStorageMultisample() setter only
glGetSamplerParameter()
glGetShader(), glGetShaderInfoLog()	GL::Shader::compile()
glGetShaderPrecisionFormat()
glGetShaderSource()	not queryable but tracked in GL::Shader::sources()
glGetString()	GL::Context::supportedExtensions(), GL::Context::rendererString(), GL::Context::shadingLanguageVersionString(), GL::Context::vendorString(), GL::Context::versionString()
glGetSubroutineIndex()
glGetSubroutineUniformLocation()
glGetSync()
glGetTexImage(), `glGetnTexImage()`, glGetnTexImageARB(), `glGetTextureImage()`	GL::Texture::image(), GL::TextureArray::image(), GL::CubeMapTexture::image(), GL::CubeMapTextureArray::image(), GL::RectangleTexture::image()
glGetTexLevelParameter(), `glGetTextureLevelParameter()`	GL::Texture::imageSize(), GL::TextureArray::imageSize(), GL::CubeMapTexture::imageSize(), GL::CubeMapTextureArray::imageSize(), GL::RectangleTexture::imageSize(), GL::BufferTexture::size()
glGetTexParameter(), `glGetTextureParameter()`
glGetTextureHandleARB()
glGetTextureSamplerHandleARB()
glGetTextureSubImage()	GL::Texture::subImage(), GL::TextureArray::subImage(), GL::CubeMapTexture::image(), GL::CubeMapTexture::subImage(), GL::CubeMapTextureArray::subImage(), GL::RectangleTexture::subImage()
glGetTransformFeedback()	not queryable, GL::TransformFeedback::attachBuffer() and GL::TransformFeedback::attachBuffers() setters only
glGetTransformFeedbackVarying()	not queryable, GL::AbstractShaderProgram::setTransformFeedbackOutputs() setter only
glGetUniform(), `glGetnUniform()`, glGetnUniformARB()	not queryable, GL::AbstractShaderProgram::setUniform() setter only
glGetUniformBlockIndex()	GL::AbstractShaderProgram::uniformBlockIndex()
glGetUniformIndices()
glGetUniformLocation()	GL::AbstractShaderProgram::uniformLocation()
glGetUniformSubroutine()
glGetVertexAttrib(), glGetVertexArray()	not queryable, GL::Mesh::addVertexBuffer() setter only

H

OpenGL function	Matching API
glHint()	GL::Renderer::setHint()

I

OpenGL function	Matching API
glInvalidateBufferData()	GL::Buffer::invalidateData()
glInvalidateBufferSubData()	GL::Buffer::invalidateSubData()
glInvalidateFramebuffer(), `glInvalidateNamedFramebufferData()`, glDiscardFramebufferEXT()	GL::DefaultFramebuffer::invalidate(), GL::Framebuffer::invalidate()
glInvalidateSubFramebuffer(), `glInvalidateNamedFramebufferSubData()`	GL::DefaultFramebuffer::invalidate(), GL::Framebuffer::invalidate()
glInvalidateTexImage()	GL::Texture::invalidateImage(), GL::TextureArray::invalidateImage(), GL::CubeMapTexture::invalidateImage(), GL::CubeMapTextureArray::invalidateImage(), GL::RectangleTexture::invalidateImage(), GL::MultisampleTexture::invalidateImage()
glInvalidateTexSubImage()	GL::Texture::invalidateSubImage(), GL::TextureArray::invalidateSubImage(), GL::CubeMapTexture::invalidateSubImage(), GL::CubeMapTextureArray::invalidateSubImage(), GL::RectangleTexture::invalidateSubImage(), GL::MultisampleTexture::invalidateSubImage()
glIsBuffer(), glIsFramebuffer(), glIsProgram(), glIsProgramPipeline(), glIsQuery(), glIsRenderbuffer(), glIsSampler(), glIsShader(), glIsSync(), glIsTexture(), glIsTransformFeedback(), glIsVertexArray()	not needed, objects are strongly typed
glIsEnabled(), `glIsEnabledi()`	not queryable, GL::Renderer::setFeature() setter only
glIsImageHandleResidentARB()
glIsTextureHandleResidentARB()

L

OpenGL function	Matching API
glLineWidth()	GL::Renderer::setLineWidth()
glLinkProgram()	GL::AbstractShaderProgram::link()
glLogicOp()	GL::Renderer::setLogicOperation()

M

OpenGL function	Matching API
glMakeImageHandleResidentARB()
glMakeImageHandleNonResidentARB()
glMakeTextureHandleResidentARB()
glMakeTextureHandleNonResidentARB()
glMapBuffer(), `glMapNamedBuffer()`, glMapBufferRange(), `glMapNamedBufferRange()`, glUnmapBuffer(), `glUnmapNamedBuffer()`	GL::Buffer::map(), GL::Buffer::unmap()
glMemoryBarrier(), `glMemoryBarrierByRegion()`	GL::Renderer::setMemoryBarrier(), GL::Renderer::setMemoryBarrierByRegion()
glMinSampleShading()	GL::Renderer::setMinSampleShading()
glMultiDrawArrays(), glMultiDrawElements(), glMultiDrawElementsBaseVertex()	GL::AbstractShaderProgram::draw(Containers::ArrayView<const Containers::Reference<MeshView>>)
glMultiDrawArraysIndirectCount(), glMultiDrawElementsIndirectCount()

O

OpenGL function	Matching API
glObjectLabel(), glObjectPtrLabel(), glLabelObjectEXT()	GL::AbstractShaderProgram::setLabel(), GL::AbstractQuery::setLabel(), GL::AbstractTexture::setLabel(), GL::Buffer::setLabel(), GL::Framebuffer::setLabel(), GL::Mesh::setLabel(), GL::Renderbuffer::setLabel(), GL::Shader::setLabel()

P

OpenGL function	Matching API
glPatchParameter()	GL::Renderer::setPatchVertexCount(), GL::Renderer::setPatchDefaultInnerLevel(), GL::Renderer::setPatchDefaultOuterLevel()
glPauseTransformFeedback(), glResumeTransformFeedback()	GL::TransformFeedback::pause(), GL::TransformFeedback::resume()
glPixelStore()	GL::Texture::setImage(), GL::TextureArray::setImage(), GL::CubeMapTexture::setImage(), GL::CubeMapTextureArray::setImage(), GL::RectangleTexture::setImage(), GL::Texture::setSubImage(), GL::TextureArray::setSubImage(), GL::CubeMapTexture::setSubImage(), GL::CubeMapTextureArray::setSubImage(), GL::RectangleTexture::setSubImage(), GL::Texture::image(), GL::TextureArray::image(), GL::CubeMapTexture::image(), GL::CubeMapTextureArray::image(), GL::RectangleTexture::image(), GL::Texture::subImage(), GL::TextureArray::subImage(), GL::CubeMapTexture::subImage(), GL::CubeMapTextureArray::subImage(), GL::RectangleTexture::subImage(), GL::Texture::setCompressedImage(), GL::TextureArray::setCompressedImage(), GL::CubeMapTexture::setCompressedImage(), GL::CubeMapTextureArray::setCompressedImage(), GL::Texture::setCompressedSubImage(), GL::TextureArray::setCompressedSubImage(), GL::CubeMapTexture::setCompressedSubImage(), GL::CubeMapTextureArray::setCompressedSubImage(), GL::RectangleTexture::setCompressedSubImage(), GL::Texture::compressedImage(), GL::TextureArray::compressedImage(), GL::CubeMapTexture::compressedImage(), GL::CubeMapTextureArray::compressedImage(), GL::RectangleTexture::compressedImage(), GL::DefaultFramebuffer::read(), GL::Framebuffer::read()
glPointParameter()
glPointSize()	GL::Renderer::setPointSize()
glPolygonMode()	GL::Renderer::setPolygonMode()
glPolygonOffset()	GL::Renderer::setPolygonOffset()
glPolygonOffsetClamp()
glPrimitiveBoundingBoxEXT(), glPrimitiveBoundingBoxARB()
glPrimitiveRestartIndex()
glProgramBinary()
glProgramParameter()	GL::AbstractShaderProgram::setRetrievableBinary(), GL::AbstractShaderProgram::setSeparable()
glProvokingVertex()	GL::Renderer::setProvokingVertex()
glPushDebugGroup(), glPushGroupMarkerEXT()	GL::DebugGroup::push()
glPopDebugGroup(), glPopGroupMarkerEXT()	GL::DebugGroup::pop()

Q

OpenGL function	Matching API
glQueryCounter()	GL::TimeQuery::timestamp()

R

OpenGL function	Matching API
glReadBuffer(), `glNamedFramebufferReadBuffer()`	GL::DefaultFramebuffer::mapForRead(), GL::Framebuffer::mapForRead()
glReadPixels(), `glReadnPixels()`, glReadnPixelsARB()	GL::DefaultFramebuffer::read(), GL::Framebuffer::read()
glReleaseShaderCompiler()
glRenderbufferStorage(), `glNamedRenderbufferStorage()`	GL::Renderbuffer::setStorage()
glRenderbufferStorageMultisample(), `glNamedRenderbufferStorageMultisample()`	GL::Renderbuffer::setStorageMultisample()

S

OpenGL function	Matching API
glSampleCoverage()
glSampleMaski()
glSamplerParameter()
glScissor()	GL::Renderer::setScissor()
glScissorArray()
glScissorIndexed()
glShaderBinary()
glShaderSource()	GL::Shader::addFile(), GL::Shader::addSource()
glShaderStorageBlockBinding()
glSpecializeShader()
glStencilFunc(), glStencilFuncSeparate()	GL::Renderer::setStencilFunction()
glStencilMask(), glStencilMaskSeparate()	GL::Renderer::setStencilMask()
glStencilOp(), glStencilOpSeparate()	GL::Renderer::setStencilOperation()

T

OpenGL function	Matching API
glTexBuffer(), `glTextureBuffer()`, glTexBufferRange(), `glTextureBufferRange()`	GL::BufferTexture::setBuffer()
glTexImage1D(), glTexImage2D(), glTexImage3D()	GL::Texture::setImage(), GL::TextureArray::setImage(), GL::CubeMapTexture::setImage(), GL::CubeMapTextureArray::setImage(), GL::RectangleTexture::setImage()
glTexImage2DMultisample(), glTexImage3DMultisample()	GL::MultisampleTexture::setStorage()
glTexPageCommitmentARB()
glTexParameter(), `glTextureParameter()`	Texture::setBaseLevel(), Texture::setMaxLevel(), Texture::setMinificationFilter(), Texture::setMagnificationFilter(), Texture::setMinLod(), Texture::setMaxLod(), Texture::setLodBias(), Texture::setWrapping(), Texture::setBorderColor(), Texture::setMaxAnisotropy(), Texture::setSrgbDecode(), Texture::setSwizzle(), Texture::setCompareMode(), Texture::setCompareFunction(), *Texture::setDepthStencilMode()
glTexStorage1D(), `glTextureStorage1D()`, glTexStorage2D(), `glTextureStorage2D()`, glTexStorage3D(), `glTextureStorage3D()`	GL::Texture::setStorage(), GL::TextureArray::setStorage(), GL::CubeMapTexture::setStorage(), GL::CubeMapTextureArray::setStorage(), GL::RectangleTexture::setStorage()
glTexStorage2DMultisample(), `glTextureStorage2DMultisample()`, glTexStorage3DMultisample(), `glTextureStorage3DMultisample()`	GL::MultisampleTexture::setStorage()
glTexSubImage1D(), `glTextureSubImage1D()`, glTexSubImage2D(), `glTextureSubImage2D()`, glTexSubImage3D(), `glTextureSubImage3D()`	GL::Texture::setSubImage(), GL::TextureArray::setSubImage(), GL::CubeMapTexture::setSubImage(), GL::CubeMapTextureArray::setSubImage(), GL::RectangleTexture::setSubImage()
glTextureBarrier()	GL::Renderer::setTextureBarrier()
glTextureView()
glTransformFeedbackBufferBase(), glTransformFeedbackBufferRange()	GL::TransformFeedback::attachBuffer(), GL::TransformFeedback::attachBuffers()
glTransformFeedbackVaryings()	GL::AbstractShaderProgram::setTransformFeedbackOutputs()

U

OpenGL function	Matching API
glUniform(), glProgramUniform()	GL::AbstractShaderProgram::setUniform()
glUniformHandleARB(), glProgramUniformHandleARB()
glUniformBlockBinding()	GL::AbstractShaderProgram::setUniformBlockBinding()
glUniformSubroutines()
glUseProgram()	GL::AbstractShaderProgram::draw(), GL::AbstractShaderProgram::drawTransformFeedback(), GL::AbstractShaderProgram::dispatchCompute()
glUseProgramStages()

V

OpenGL function	Matching API
glValidateProgram()	GL::AbstractShaderProgram::validate()
glValidateProgramPipeline()
glVertexArrayElementBuffer()	GL::Mesh::setIndexBuffer()
glVertexAttrib()	not supported (details)
glVertexAttribBinding(), `glVertexArrayAttribBinding()`
glVertexAttribDivisor()	GL::Mesh::addVertexBufferInstanced()
glVertexAttribFormat(), `glVertexArrayAttribFormat()`
glVertexAttribPointer()	GL::Mesh::addVertexBuffer()
glVertexBindingDivisor(), `glVertexArrayBindingDivisor()`
glViewport()	GL::DefaultFramebuffer::setViewport(), GL::Framebuffer::setViewport()
glViewportArray()
glViewportIndexed()

W

OpenGL function	Matching API
glWaitSync()

Limit and state queries

glGet() parameter	Matching API
`GL_ACTIVE_TEXTURE`, `GL_TEXTURE_BINDING_1D_ARRAY`, `GL_TEXTURE_BINDING_1D`, `GL_TEXTURE_BINDING_2D_ARRAY`, `GL_TEXTURE_BINDING_2D_MULTISAMPLE_ARRAY`, `GL_TEXTURE_BINDING_2D_MULTISAMPLE`, `GL_TEXTURE_BINDING_2D` , `GL_TEXTURE_BINDING_3D`, `GL_TEXTURE_BINDING_BUFFER`, `GL_TEXTURE_BINDING_BUFFER`, `GL_TEXTURE_BINDING_CUBE_MAP`, `GL_TEXTURE_BINDING_RECTANGLE`	not queryable but tracked internally
`GL_ALIASED_LINE_WIDTH_RANGE`	GL::Renderer::lineWidthRange()
`GL_ARRAY_BUFFER_BINDING`, `GL_DISPATCH_INDIRECT_BUFFER_BINDING`, `GL_ELEMENT_ARRAY_BUFFER_BINDING`, `GL_PIXEL_PACK_BUFFER_BINDING`, `GL_PIXEL_UNPACK_BUFFER_BINDING`	not queryable but tracked internally
`GL_BLEND_COLOR`	not queryable, GL::Renderer::setBlendColor() setter only
`GL_BLEND_DST_ALPHA`, `GL_BLEND_DST_RGB`, `GL_BLEND_SRC_ALPHA`, `GL_BLEND_SRC_RGB`	not queryable, GL::Renderer::setBlendFunction() setter only
`GL_BLEND_EQUATION_ALPHA`, `GL_BLEND_EQUATION_RGB`	not queryable, GL::Renderer::setBlendEquation() setter only
`GL_BLEND`, `GL_COLOR_LOGIC_OP`, `GL_CULL_FACE`, `GL_DEBUG_OUTPUT`, `GL_DEBUG_OUTPUT_SYNCHRONOUS`, `GL_DEPTH_CLAMP`, `GL_DEPTH_TEST`, `GL_DITHER`, `GL_MULTISAMPLE`, `GL_POLYGON_OFFSET_FILL`, `GL_POLYGON_OFFSET_LINE`, `GL_POLYGON_OFFSET_POINT`, `GL_PROGRAM_POINT_SIZE`, `GL_SCISSOR`, `GL_TEXTURE_CUBE_MAP_SEAMLESS`, `GL_STENCIL_TEST`	not queryable, GL::Renderer::setFeature() setter only
`GL_COLOR_CLEAR_VALUE`, `GL_DEPTH_CLEAR_VALUE`, `GL_STENCIL_CLEAR_VALUE`	not queryable, GL::Renderer::setClearColor(), GL::Renderer::setClearDepth() and GL::Renderer::setClearStencil() setters only
`GL_COLOR_WRITEMASK`, `GL_DEPTH_WRITEMASK`, `GL_STENCIL_BACK_WRITEMASK`, `GL_STENCIL_WRITEMASK`	not queryable, GL::Renderer::setColorMask(), GL::Renderer::setDepthMask() and GL::Renderer::setStencilMask() setters only
`GL_CONTEXT_FLAGS`	GL::Context::flags()
`GL_CONTEXT_PROFILE_MASK`	GL::Context::isCoreProfile()
`GL_CURRENT_PROGRAM`	not queryable but tracked internally
`GL_DEBUG_GROUP_STACK_DEPTH`
`GL_DEPTH_FUNC`	not queryable, GL::Renderer::setDepthFunction() setter only
`GL_DEPTH_RANGE`	not queryable
`GL_DOUBLEBUFFER`, `GL_STEREO`
`GL_DRAW_BUFFERi`, `GL_DRAW_BUFFER`, `GL_READ_BUFFER`	not queryable, GL::DefaultFramebuffer::mapForDraw(), GL::DefaultFramebuffer::mapForRead(), GL::Framebuffer::mapForDraw() and GL::Framebuffer::mapForRead() setters only
`GL_DRAW_FRAMEBUFFER_BINDING`, `GL_READ_FRAMEBUFFER_BINDING`	not queryable but tracked internally
`GL_FRAGMENT_SHADER_DERIVATIVE_HINT`, `GL_LINE_SMOOTH_HINT`, `GL_POLYGON_SMOOTH_HINT`, `GL_TEXTURE_COMPRESSION_HINT`	not queryable
`GL_IMPLEMENTATION_COLOR_READ_FORMAT`	GL::AbstractFramebuffer::implementationColorReadFormat()
`GL_IMPLEMENTATION_COLOR_READ_TYPE`	GL::AbstractFramebuffer::implementationColorReadType()
`GL_LAYER_PROVOKING_VERTEX`
`GL_LINE_SMOOTH`, `GL_POLYGON_SMOOTH`	not supported (details)
`GL_LINE_WIDTH`	not queryable, GL::Renderer::setLineWidth() setter only
`GL_LOGIC_OP_MODE`	not queryable, GL::Renderer::setLogicOperation() setter only
`GL_MAJOR_VERSION`, `GL_MINOR_VERSION`	GL::Context::version()
`GL_MAX_*_ATOMIC_COUNTER_BUFFERS`, `GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS`	GL::Shader::maxAtomicCounterBuffers(), GL::Shader::maxCombinedAtomicCounterBuffers()
`GL_MAX_*_ATOMIC_COUNTERS`, `GL_MAX_COMBINED_ATOMIC_COUNTERS`	GL::Shader::maxAtomicCounters(), GL::Shader::maxCombinedAtomicCounters()
`GL_MAX_*_IMAGE_UNIFORMS`, `GL_MAX_COMBINED_IMAGE_UNIFORMS`	GL::Shader::maxImageUniforms(), GL::Shader::maxCombinedImageUniforms()
`GL_MAX_*_SHADER_STORAGE_BLOCKS`, `GL_MAX_COMBINED_SHADER_STORAGE_BLOCKS`	GL::Shader::maxShaderStorageBlocks(), GL::Shader::maxCombinedShaderStorageBlocks()
`GL_MAX_*_TEXTURE_IMAGE_UNITS`, `GL_MAX_TEXTURE_IMAGE_UNITS`, `GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS`	GL::Shader::maxTextureImageUnits(), GL::Shader::maxCombinedTextureImageUnits()
`GL_MAX_*_UNIFORM_BLOCKS`, `GL_MAX_COMBINED_UNIFORM_BLOCKS`	GL::Shader::maxUniformBlocks(), GL::Shader::maxCombinedUniformBlocks()
`GL_MAX_*_UNIFORM_COMPONENTS`, `GL_MAX_VERTEX_UNIFORM_VECTORS`, `GL_MAX_FRAGMENT_UNIFORM_VECTORS`	GL::Shader::maxUniformComponents()
`GL_MAX_COMBINED_*_UNIFORM_COMPONENTS`	GL::Shader::maxCombinedUniformComponents()
`GL_MAX_3D_TEXTURE_SIZE`, `GL_MAX_ARRAY_TEXTURE_LAYERS`, `GL_MAX_CUBE_MAP_TEXTURE_SIZE`, `GL_MAX_RECTANGLE_TEXTURE_SIZE`, `GL_MAX_TEXTURE_SIZE`	GL::Texture::maxSize(), GL::TextureArray::maxSize(), GL::CubeMapTexture::maxSize(), GL::CubeMapTextureArray::maxSize(), GL::RectangleTexture::maxSize(), GL::BufferTexture::maxSize(), GL::MultisampleTexture::maxSize()
`GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE`	GL::AbstractShaderProgram::maxAtomicCounterBufferSize()
`GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS`	GL::Buffer::maxAtomicCounterBindings()
`GL_MAX_CLIP_DISTANCES`
`GL_MAX_COLOR_ATTACHMENTS`	GL::Framebuffer::maxColorAttachments()
`GL_MAX_COLOR_TEXTURE_SAMPLES`, `GL_MAX_DEPTH_TEXTURE_SAMPLES`, `GL_MAX_INTEGER_SAMPLES`	GL::AbstractTexture::maxColorSamples(), GL::AbstractTexture::maxDepthSamples(), GL::AbstractTexture::maxIntegerSamples()
`GL_MAX_COMBINED_CLIP_AND_CULL_DISTANCES`
`GL_MAX_COMBINED_SHADER_OUTPUT_RESOURCES`	GL::AbstractShaderProgram::maxCombinedShaderOutputResources()
GL_MAX_COMPUTE_FIXED_GROUP_INVOCATIONS_ARB
GL_MAX_COMPUTE_FIXED_GROUP_SIZE_ARB
`GL_MAX_COMPUTE_SHARED_MEMORY_SIZE`	GL::AbstractShaderProgram::maxComputeSharedMemorySize()
GL_MAX_COMPUTE_VARIABLE_GROUP_INVOCATIONS_ARB
GL_MAX_COMPUTE_VARIABLE_GROUP_SIZE_ARB
`GL_MAX_COMPUTE_WORK_GROUP_COUNT`	GL::AbstractShaderProgram::maxComputeWorkGroupCount()
`GL_MAX_COMPUTE_WORK_GROUP_INVOCATIONS`	GL::AbstractShaderProgram::maxComputeWorkGroupInvocations()
`GL_MAX_COMPUTE_WORK_GROUP_SIZE`	GL::AbstractShaderProgram::maxComputeWorkGroupSize()
`GL_MAX_CULL_DISTANCES`
`GL_MAX_DEBUG_LOGGED_MESSAGES`	GL::DebugOutput::maxLoggedMessages()
`GL_MAX_DEBUG_MESSAGE_LENGTH`	GL::DebugOutput::maxMessageLength()
`GL_MAX_DEBUG_GROUP_STACK_DEPTH`	GL::DebugGroup::maxStackDepth()
`GL_MAX_DRAW_BUFFERS`	GL::AbstractFramebuffer::maxDrawBuffers()
`GL_MAX_DUAL_SOURCE_DRAW_BUFFERS`	GL::AbstractFramebuffer::maxDualSourceDrawBuffers()
`GL_MAX_ELEMENT_INDEX`	GL::Mesh::maxElementIndex()
`GL_MAX_ELEMENTS_INDICES`	GL::Mesh::maxElementsIndices()
`GL_MAX_ELEMENTS_VERTICES`	GL::Mesh::maxElementsVertices()
`GL_MAX_FRAMEBUFFER_HEIGHT`
`GL_MAX_FRAMEBUFFER_LAYERS`
`GL_MAX_FRAMEBUFFER_SAMPLES`
`GL_MAX_FRAMEBUFFER_WIDTH`
`GL_MAX_FRAGMENT_INPUT_COMPONENTS`, `GL_MAX_GEOMETRY_INPUT_COMPONENTS`, `GL_MAX_GEOMETRY_OUTPUT_COMPONENTS`, `GL_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS`, `GL_MAX_TESS_CONTROL_INPUT_COMPONENTS`, `GL_MAX_TESS_CONTROL_OUTPUT_COMPONENTS`, `GL_MAX_TESS_CONTROL_TOTAL_OUTPUT_COMPONENTS`, `GL_MAX_TESS_EVALUATION_INPUT_COMPONENTS`, `GL_MAX_TESS_EVALUATION_OUTPUT_COMPONENTS`, `GL_MAX_VERTEX_OUTPUT_COMPONENTS`, `GL_MAX_VARYING_VECTORS`	GL::Shader::maxFragmentInputComponents(), GL::Shader::maxGeometryInputComponents(), GL::Shader::maxGeometryOutputComponents(), GL::Shader::maxGeometryTotalOutputComponents(), GL::Shader::maxTessellationControlInputComponents(), GL::Shader::maxTessellationControlOutputComponents(), GL::Shader::maxTessellationControlTotalOutputComponents(), GL::Shader::maxTessellationEvaluationInputComponents(), GL::Shader::maxTessellationEvaluationOutputComponents(), GL::Shader::maxVertexOutputComponents()
`GL_MAX_GEOMETRY_OUTPUT_VERTICES`	GL::AbstractShaderProgram::maxGeometryOutputVertices()
`GL_MAX_GEOMETRY_SHADER_INVOCATIONS`
`GL_MAX_IMAGE_SAMPLES`	GL::AbstractShaderProgram::maxImageSamples()
`GL_MAX_IMAGE_UNITS`	GL::AbstractShaderProgram::maxImageUnits()
`GL_MAX_LABEL_LENGTH`	GL::AbstractObject::maxLabelLength()
`GL_MAX_PATCH_VERTICES`	GL::Renderer::maxPatchVertexCount()
`GL_MAX_RENDERBUFFER_SIZE`	GL::Renderbuffer::maxSize()
`GL_MAX_SAMPLE_MASK_WORDS`
`GL_MAX_SERVER_WAIT_TIMEOUT`
`GL_MAX_SHADER_STORAGE_BLOCK_SIZE`	GL::AbstractShaderProgram::maxShaderStorageBlockSize()
`GL_MAX_SHADER_STORAGE_BUFFER_BINDINGS`	GL::Buffer::maxShaderStorageBindings()
GL_MAX_SPARSE_TEXTURE_SIZE_ARB
GL_MAX_SPARSE_3D_TEXTURE_SIZE_ARB
GL_MAX_SPARSE_ARRAY_TEXTURE_LAYERS_ARB
`GL_MAX_TESS_GEN_LEVEL`
`GL_MAX_TESS_PATCH_COMPONENTS`
`GL_MAX_TEXTURE_BUFFER_SIZE`	GL::BufferTexture::maxSize()
`GL_MAX_TEXTURE_LOD_BIAS`	GL::AbstractTexture::maxLodBias()
`GL_MAX_TEXTURE_MAX_ANISOTROPY`	GL::Sampler::maxMaxAnisotropy()
`GL_MAX_TRANSFORM_FEEDBACK_BUFFERS`	GL::TransformFeedback::maxBuffers()
`GL_MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS`	GL::TransformFeedback::maxInterleavedComponents()
`GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS`	GL::TransformFeedback::maxSeparateAttributes()
`GL_MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS`	GL::TransformFeedback::maxSeparateComponents()
`GL_MAX_UNIFORM_BLOCK_SIZE`	GL::AbstractShaderProgram::maxUniformBlockSize()
`GL_MAX_UNIFORM_BUFFER_BINDINGS`	GL::Buffer::maxUniformBindings()
`GL_MAX_UNIFORM_LOCATIONS`	GL::AbstractShaderProgram::maxUniformLocations()
`GL_MAX_VERTEX_ATTRIBS`	GL::AbstractShaderProgram::maxVertexAttributes()
`GL_MAX_VERTEX_ATTRIB_STRIDE`	GL::Mesh::maxVertexAttributeStride()
`GL_MAX_VERTEX_ATTRIB_BINDINGS`
`GL_MAX_VERTEX_ATTRIB_RELATIVE_OFFSET`
`GL_MAX_VERTEX_STREAMS`	GL::TransformFeedback::maxVertexStreams()
`GL_MAX_VIEWPORTS`
`GL_MAX_VIEWPORT_DIMS`	GL::AbstractFramebuffer::maxViewportSize()
`GL_MIN_FRAGMENT_INTERPOLATION_OFFSET`, `GL_MAX_FRAGMENT_INTERPOLATION_OFFSET`
`GL_MIN_MAP_BUFFER_ALIGNMENT`	GL::Buffer::minMapAlignment()
`GL_MIN_PROGRAM_TEXEL_OFFSET`, `GL_MAX_PROGRAM_TEXEL_OFFSET`	GL::AbstractShaderProgram::minTexelOffset(), GL::AbstractShaderProgram::maxTexelOffset()
`GL_MIN_PROGRAM_TEXTURE_GATHER_OFFSET`, `GL_MAX_PROGRAM_TEXTURE_GATHER_OFFSET`
`GL_MIN_SAMPLE_SHADING_VALUE`
`GL_NUM_EXTENSIONS`	GL::Context::supportedExtensions()
`GL_NUM_PROGRAM_BINARY_FORMATS`, `GL_PROGRAM_BINARY_FORMATS`
`GL_NUM_SHADER_BINARY_FORMATS`, `GL_SHADER_BINARY_FORMATS`
`GL_NUM_SPIR_V_EXTENSIONS`
`GL_PACK_ALIGNMENT`, `GL_PACK_IMAGE_HEIGHT`, `GL_PACK_ROW_LENGTH`, `GL_PACK_SKIP_IMAGES`, `GL_PACK_SKIP_PIXELS`, `GL_PACK_SKIP_ROWS`, `GL_PACK_SWAP_BYTES`, `GL_UNPACK_ALIGNMENT`, `GL_UNPACK_IMAGE_HEIGHT`, `GL_UNPACK_ROW_LENGTH`, `GL_UNPACK_SKIP_IMAGES`, `GL_UNPACK_SKIP_PIXELS`, `GL_UNPACK_SKIP_ROWS`, `GL_UNPACK_SWAP_BYTES`	not queryable, PixelStorage setters only
`GL_POINT_FADE_THRESHOLD_SIZE`
`GL_POINT_SIZE_GRANULARITY`, `GL_POINT_SIZE_RANGE`
`GL_POINT_SIZE`	not queryable, GL::Renderer::setPointSize() setter only
`GL_POLYGON_OFFSET_FACTOR`, `GL_POLYGON_OFFSET_UNITS`	not queryable, GL::Renderer::setPolygonOffset() setter only
`GL_PRIMITIVE_RESTART_INDEX`	not queryable
`GL_PROGRAM_PIPELINE_BINDING`	not queryable
`GL_PROVOKING_VERTEX`	not queryable, GL::Renderer::setProvokingVertex() setter only
`GL_RENDERBUFFER_BINDING`	not queryable but tracked internally
`GL_SAMPLER_BINDING`	not queryable
`GL_SAMPLES`	GL::Renderbuffer::maxSamples()
`GL_SAMPLE_BUFFERS`
`GL_SAMPLE_COVERAGE_INVERT`, `GL_SAMPLE_COVERAGE_VALUE`
`GL_SCISSOR_BOX`	not queryable, GL::Renderer::setScissor() setter only
`GL_SHADER_COMPILER`	not supported (details)
`GL_SHADER_STORAGE_BUFFER_BINDING`, `GL_SHADER_STORAGE_BUFFER_SIZE`, `GL_SHADER_STORAGE_BUFFER_START`	not queryable
`GL_SHADER_STORAGE_BUFFER_OFFSET_ALIGNMENT`	GL::Buffer::shaderStorageOffsetAlignment()
`GL_SMOOTH_LINE_WIDTH_GRANULARITY`, `GL_LINE_WIDTH_GRANULARITY`, `GL_SMOOTH_LINE_WIDTH_RANGE`, `GL_LINE_WIDTH_RANGE`	not supported (details)
`GL_STENCIL_BACK_FUNC`, `GL_STENCIL_BACK_REF`, `GL_STENCIL_BACK_VALUE_MASK`, `GL_STENCIL_FUNC`, `GL_STENCIL_REF`, `GL_STENCIL_VALUE_MASK`	not queryable, GL::Renderer::setStencilFunction() setter only
`GL_STENCIL_BACK_FAIL`, `GL_STENCIL_BACK_PASS_DEPTH_FAIL`, `GL_STENCIL_BACK_PASS_DEPTH_PASS`, `GL_STENCIL_FAIL`, `GL_STENCIL_PASS_DEPTH_FAIL`, `GL_STENCIL_PASS_DEPTH_PASS`	not queryable, GL::Renderer::setStencilOperation() setter only
`GL_SUBPIXEL_BITS`
`GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT`	GL::BufferTexture::offsetAlignment()
`GL_TIMESTAMP`
`GL_TRANSFORM_FEEDBACK_BUFFER_BINDING`, `GL_TRANSFORM_FEEDBACK_BUFFER_SIZE`, `GL_TRANSFORM_FEEDBACK_BUFFER_START`	not queryable
`GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT`	GL::Buffer::uniformOffsetAlignment()
`GL_UNIFORM_BUFFER_BINDING`, `GL_UNIFORM_BUFFER_SIZE`, `GL_UNIFORM_BUFFER_START`	not queryable
`GL_VERTEX_BINDING_DIVISOR`, `GL_VERTEX_BINDING_OFFSET`, `GL_VERTEX_BINDING_STRIDE`	not queryable
`GL_VERTEX_PROGRAM_POINT_SIZE`	not queryable
`GL_VIEWPORT_BOUNDS_RANGE`
`GL_VIEWPORT_INDEX_PROVOKING_VERTEX`
`GL_VIEWPORT_SUBPIXEL_BITS`
`GL_VIEWPORT`	not queryable but tracked in GL::AbstractFramebuffer::viewport()

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