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Textures
- glActiveTexture
- glBindImageTexture
- glBindImageTextures
- glBindTexture
- glBindTextureUnit
- glBindTextures
- glClearTexImage
- glClearTexSubImage
- glCompressedTexImage1D
- glCompressedTexImage2D
- glCompressedTexImage3D
- glCompressedTexSubImage1D
- glCompressedTexSubImage2D
- glCompressedTexSubImage3D
- glCopyImageSubData
- glCopyTexImage1D
- glCopyTexImage2D
- glCopyTexSubImage1D
- glCopyTexSubImage2D
- glCopyTexSubImage3D
- glCreateTextures
- glDeleteTextures
- glGenTextures
- glGetCompressedTexImage
- glGetCompressedTextureSubImage
- glGetTexImage
- glGetTexLevelParameter
- glGetTexParameter
- glGetTextureSubImage
- glInvalidateTexImage
- glInvalidateTexSubImage
- glIsTexture
- glTexBuffer
- glTexBufferRange
- glTexImage1D
- glTexImage2D
- glTexImage2DMultisample
- glTexImage3D
- glTexImage3DMultisample
- glTexParameter
- glTexStorage1D
- glTexStorage2D
- glTexStorage2DMultisample
- glTexStorage3D
- glTexStorage3DMultisample
- glTexSubImage1D
- glTexSubImage2D
- glTexSubImage3D
- glTextureView
Rendering
- glClear
- glClearBuffer
- glClearColor
- glClearDepth
- glClearDepthf
- glClearStencil
- glDrawBuffer
- glFinish
- glFlush
- glReadBuffer
- glReadPixels
Frame Buffers
- glBindFramebuffer
- glBindRenderbuffer
- glBlitFramebuffer
- glCheckFramebufferStatus
- glCreateFramebuffers
- glCreateRenderbuffers
- glDeleteFramebuffers
- glDeleteRenderbuffers
- glDrawBuffers
- glFramebufferParameteri
- glFramebufferRenderbuffer
- glFramebufferTexture
- glFramebufferTexture2D
- glFramebufferTextureLayer
- glGenFramebuffers
- glGenRenderbuffers
- glGenerateMipmap
- glGetFramebufferAttachmentParameter
- glGetFramebufferAttachmentParameteriv
- glGetFramebufferParameter
- glGetFramebufferParameteriv
- glGetRenderbufferParameter
- glGetRenderbufferParameteriv
- glInvalidateFramebuffer
- glInvalidateSubFramebuffer
- glIsFramebuffer
- glIsRenderbuffer
- glRenderbufferStorage
- glRenderbufferStorageMultisample
- glSampleMaski
Shaders
- glAttachShader
- glBindAttribLocation
- glBindFragDataLocation
- glBindFragDataLocationIndexed
- glCompileShader
- glCreateProgram
- glCreateShader
- glCreateShaderProgram
- glDeleteProgram
- glDeleteShader
- glDetachShader
- glGetActiveAtomicCounterBufferiv
- glGetActiveAttrib
- glGetActiveSubroutineName
- glGetActiveSubroutineUniform
- glGetActiveSubroutineUniformName
- glGetActiveUniform
- glGetActiveUniformBlock
- glGetActiveUniformBlockName
- glGetActiveUniformBlockiv
- glGetActiveUniformName
- glGetActiveUniformsiv
- glGetAttachedShaders
- glGetAttribLocation
- glGetFragDataIndex
- glGetFragDataLocation
- glGetProgram
- glGetProgramBinary
- glGetProgramInfoLog
- glGetProgramResource
- glGetProgramResourceIndex
- glGetProgramResourceLocation
- glGetProgramResourceLocationIndex
- glGetProgramResourceName
- glGetProgramStage
- glGetProgramiv
- glGetShader
- glGetShaderInfoLog
- glGetShaderPrecisionFormat
- glGetShaderSource
- glGetShaderiv
- glGetSubroutineIndex
- glGetSubroutineUniformLocation
- glGetUniform
- glGetUniformBlockIndex
- glGetUniformIndices
- glGetUniformLocation
- glGetUniformSubroutine
- glIsProgram
- glIsShader
- glLinkProgram
- glMinSampleShading
- glProgramBinary
- glProgramParameter
- glProgramParameteri
- glProgramUniform
- glReleaseShaderCompiler
- glShaderBinary
- glShaderSource
- glShaderStorageBlockBinding
- glUniform
- glUniformBlockBinding
- glUniformSubroutines
- glUseProgram
- glUseProgramStages
- glValidateProgram
Buffer Objects
- glBindBuffer
- glBindBufferBase
- glBindBufferRange
- glBindBuffersBase
- glBindBuffersRange
- glBindVertexBuffer
- glBindVertexBuffers
- glBufferData
- glBufferStorage
- glBufferSubData
- glClearBufferData
- glClearBufferSubData
- glCopyBufferSubData
- glCreateBuffers
- glCreateVertexArrays
- glDeleteBuffers
- glDisableVertexAttribArray
- glDrawArrays
- glDrawArraysIndirect
- glDrawArraysInstanced
- glDrawArraysInstancedBaseInstance
- glDrawElements
- glDrawElementsBaseVertex
- glDrawElementsIndirect
- glDrawElementsInstanced
- glDrawElementsInstancedBaseInstance
- glDrawElementsInstancedBaseVertex
- glDrawElementsInstancedBaseVertexBaseInstance
- glDrawRangeElements
- glDrawRangeElementsBaseVertex
- glEnableVertexAttribArray
- glFlushMappedBufferRange
- glGenBuffers
- glGetBufferParameter
- glGetBufferParameteriv
- glGetBufferPointerv
- glGetBufferSubData
- glGetVertexArrayIndexed
- glGetVertexArrayiv
- glGetVertexAttrib
- glGetVertexAttribPointerv
- glInvalidateBufferData
- glInvalidateBufferSubData
- glIsBuffer
- glMapBuffer
- glMapBufferRange
- glMultiDrawArrays
- glMultiDrawArraysIndirect
- glMultiDrawElements
- glMultiDrawElementsBaseVertex
- glMultiDrawElementsIndirect
- glPatchParameter
- glPrimitiveRestartIndex
- glProvokingVertex
- glUnmapBuffer
- glVertexArrayElementBuffer
- glVertexAttrib
- glVertexAttribBinding
- glVertexAttribDivisor
- glVertexAttribFormat
- glVertexAttribPointer
- glVertexBindingDivisor
State Management
- glBlendColor
- glBlendEquation
- glBlendEquationSeparate
- glBlendFunc
- glBlendFuncSeparate
- glClampColor
- glClipControl
- glColorMask
- glCullFace
- glDepthFunc
- glDepthMask
- glDepthRange
- glDepthRangeArray
- glDepthRangeIndexed
- glDepthRangef
- glDisable
- glEnable
- glFrontFace
- glGet
- glGetError
- glHint
- glIsEnabled
- glLineWidth
- glLogicOp
- glPixelStore
- glPixelStorei
- glPointParameter
- glPointSize
- glPolygonMode
- glPolygonOffset
- glSampleCoverage
- glScissor
- glScissorArray
- glScissorIndexed
- glStencilFunc
- glStencilFuncSeparate
- glStencilMask
- glStencilMaskSeparate
- glStencilOp
- glStencilOpSeparate
- glViewport
- glViewportArray
- glViewportIndexed
Transform Feedback
- glBeginTransformFeedback
- glBindTransformFeedback
- glCreateTransformFeedbacks
- glDeleteTransformFeedbacks
- glDrawTransformFeedback
- glDrawTransformFeedbackInstanced
- glDrawTransformFeedbackStream
- glDrawTransformFeedbackStreamInstanced
- glEndTransformFeedback
- glGenTransformFeedbacks
- glGetTransformFeedback
- glGetTransformFeedbackVarying
- glIsTransformFeedback
- glPauseTransformFeedback
- glResumeTransformFeedback
- glTransformFeedbackBufferBase
- glTransformFeedbackBufferRange
- glTransformFeedbackVaryings
Utility
- glDispatchCompute
- glDispatchComputeIndirect
- glGetGraphicsResetStatus
- glGetInternalformat
- glGetInternalformativ
- glGetMultisample
- glGetMultisamplefv
- glGetString
- glMemoryBarrier
Queries
- glBeginConditionalRender
- glBeginQuery
- glBeginQueryIndexed
- glCreateQueries
- glDeleteQueries
- glEndConditionalRender
- glEndQuery
- glEndQueryIndexed
- glGenQueries
- glGetQueryIndexed
- glGetQueryObject
- glGetQueryObjectuiv
- glGetQueryiv
- glIsQuery
- glQueryCounter
Syncing
- glClientWaitSync
- glDeleteSync
- glFenceSync
- glGetSync
- glGetSynciv
- glIsSync
- glTextureBarrier
- glWaitSync
Vertex Array Objects
- glBindVertexArray
- glDeleteVertexArrays
- glGenVertexArrays
- glIsVertexArray
Samplers
- glBindSampler
- glBindSamplers
- glCreateSamplers
- glDeleteSamplers
- glGenSamplers
- glGetSamplerParameter
- glIsSampler
- glSamplerParameter
Program Pipelines
- glActiveShaderProgram
- glBindProgramPipeline
- glCreateProgramPipelines
- glDeleteProgramPipelines
- glGenProgramPipelines
- glGetProgramPipeline
- glGetProgramPipelineInfoLog
- glIsProgramPipeline
- glValidateProgramPipeline
Immediate Mode
- glArrayElement
- glBegin
- glColor
- glEnd
- glEvalCoord
- glEvalMesh
- glEvalPoint
- glFogCoord
- glIndex
- glMaterial
- glMultiTexCoord
- glNormal
- glSecondaryColor
- glTexCoord
- glVertex
GL2 Rasterization
- glBitmap
- glClearIndex
- glClipPlane
- glCopyPixels
- glDrawPixels
- glFeedbackBuffer
- glFog
- glGetClipPlane
- glGetMap
- glGetPixelMap
- glGetPolygonStipple
- glInitNames
- glLineStipple
- glLoadName
- glMap1
- glMap2
- glMapGrid
- glPassThrough
- glPixelZoom
- glPolygonStipple
- glPopName
- glPushName
- glRasterPos
- glRect
- glRenderMode
- glSelectBuffer
- glWindowPos
Client Arrays
- glColorPointer
- glDisableClientState
- glEnableClientState
- glFogCoordPointer
- glIndexPointer
- glInterleavedArrays
- glNormalPointer
- glPopClientAttrib
- glPushClientAttrib
- glSecondaryColorPointer
- glTexCoordPointer
- glVertexPointer
Fixed Function
- glAccum
- glAlphaFunc
- glClearAccum
- glColorMaterial
- glEdgeFlag
- glEdgeFlagPointer
- glGetLight
- glGetMaterial
- glGetTexEnv
- glGetTexGen
- glIndexMask
- glLight
- glLightModel
- glPopAttrib
- glPushAttrib
- glShadeModel
- glTexEnv
- glTexGen
Matrix State
- glFrustum
- glLoadIdentity
- glLoadMatrix
- glLoadTransposeMatrix
- glMatrixMode
- glMultMatrix
- glMultTransposeMatrix
- glOrtho
- glPopMatrix
- glPushMatrix
- glRotate
- glScale
- glTranslate
GL2 Textures
- glAreTexturesResident
- glClientActiveTexture
- glPixelMap
- glPixelTransfer
- glPrioritizeTextures
Call Lists
- glCallList
- glCallLists
- glDeleteLists
- glEndList
- glGenLists
- glIsList
- glListBase
- glNewList
Debug
- glDebugMessageCallback
- glDebugMessageControl
- glDebugMessageInsert
- glGetDebugMessageLog
- glGetObjectLabel
- glGetObjectPtrLabel
- glGetPointerv
- glGetProgramInterface
- glObjectLabel
- glObjectPtrLabel
- glPopDebugGroup
- glPushDebugGroup

Trigonometry
- acos
- acosh
- asin
- asinh
- atan
- atanh
- cos
- cosh
- degrees
- radians
- sin
- sinh
- tan
- tanh
Mathematics
- abs
- ceil
- clamp
- dFdx
- dFdy
- exp
- exp2
- floor
- floor
- fma
- fract
- fwidth
- inversesqrt
- isinf
- isnan
- log
- log2
- max
- min
- mix
- mod
- modf
- noise
- pow
- round
- roundEven
- sign
- smoothstep
- sqrt
- step
- trunc
Floating-Point
Built-In Variables
Vector
Component Comparison
Geometry Shader
Texture Sampling
Matrix
Integer
Image
Atomic
Memory Barrier

OpenGL 4
OpenGL 3
OpenGL 2

glClearDepth

Name

glClearDepth — specify the clear value for the depth buffer

C Specification

void glClearDepth(GLclampd depth);

Parameters

depth: Specifies the depth value used when the depth buffer is cleared. The initial value is 1.

Description

glClearDepth specifies the depth value used by glClear to clear the depth buffer. Values specified by glClearDepth are clamped to the range $[0, 1]$ .

Associated Gets

glGet with argument GL_DEPTH_CLEAR_VALUE

See Also

Copyright

Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/.

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