section 3 · Library functions 📚

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G (continued)

glFinish(3G)block until all GL execution is complete✨
glFinish(3gl)block until all GL execution is complete✨
glFlush(3G)force execution of GL commands in finite time✨
glFlush(3gl)force execution of GL commands in finite time✨
glFlushMappedBufferRange(3G)indicate modifications to a range of a mapped buffer✨
glFlushMappedNamedBufferRange(3G)indicate modifications to a range of a mapped buffer✨
glFog(3G)specify fog parameters✨
glFog(3gl)specify fog parameters✨
glFogf(3G)specify fog parameters✨
glFogf(3gl)specify fog parameters✨
glFogfv(3G)specify fog parameters✨
glFogfv(3gl)specify fog parameters✨
glFogi(3G)specify fog parameters✨
glFogi(3gl)specify fog parameters✨
glFogiv(3G)specify fog parameters✨
glFogiv(3gl)specify fog parameters✨
glFramebufferParameteri(3G)set a named parameter of a framebuffer object✨
glFramebufferRenderbuffer(3G)attach a renderbuffer as a logical buffer of a framebuffer object✨
glFramebufferTexture(3G)attach a level of a texture object as a logical buffer of a framebuffer object✨
glFramebufferTextureLayer(3G)attach a single layer of a texture object as a logical buffer of a framebuffer object✨
glFrontFace(3G)define front- and back-facing polygons✨
glFrontFace(3gl)define front- and back-facing polygons✨
glFrustum(3G)multiply the current matrix by a perspective matrix✨
glFrustum(3gl)multiply the current matrix by a perspective matrix✨
glGenBuffers(3G)generate buffer object names✨
glGenerateMipmap(3G)generate mipmaps for a specified texture object✨
glGenerateTextureMipmap(3G)generate mipmaps for a specified texture object✨
glGenFramebuffers(3G)generate framebuffer object names✨
glGenLists(3G)generate a contiguous set of empty display lists✨
glGenLists(3gl)generate a contiguous set of empty display lists✨
glGenProgramPipelines(3G)reserve program pipeline object names✨
glGenQueries(3G)generate query object names✨
glGenRenderbuffers(3G)generate renderbuffer object names✨
glGenSamplers(3G)generate sampler object names✨
glGenTextures(3G)generate texture names✨
glGenTextures(3gl)generate texture names✨
glGenTransformFeedbacks(3G)reserve transform feedback object names✨
glGenVertexArrays(3G)generate vertex array object names✨
glGet(3G)return the value or values of a selected parameter✨
glGet(3gl)return the value or values of a selected parameter✨
glGetActiveAtomicCounterBufferiv(3G)retrieve information about the set of active atomic counter buffers for a program✨
glGetActiveAttrib(3G)Returns information about an active attribute variable for the specified program object✨
glGetActiveSubroutineName(3G)query the name of an active shader subroutine✨
glGetActiveSubroutineUniform(3G)query a property of an active shader subroutine uniform✨
glGetActiveSubroutineUniformName(3G)query the name of an active shader subroutine uniform✨
glGetActiveUniform(3G)Returns information about an active uniform variable for the specified program object✨
glGetActiveUniformBlock(3G)query information about an active uniform block✨
glGetActiveUniformBlockName(3G)retrieve the name of an active uniform block✨
glGetActiveUniformName(3G)query the name of an active uniform✨
glGetActiveUniformsiv(3G)Returns information about several active uniform variables for the specified program object✨
glGetAttachedShaders(3G)Returns the handles of the shader objects attached to a program object✨
glGetAttribLocation(3G)Returns the location of an attribute variable✨
glGetBooleanv(3G)return the value or values of a selected parameter✨
glGetBooleanv(3gl)return the value or values of a selected parameter✨
glGetBufferParameteri64v(3G)return parameters of a buffer object✨
glGetBufferParameteriv(3G)return parameters of a buffer object✨
glGetBufferPointerv(3G)return the pointer to a mapped buffer object's data store✨
glGetBufferSubData(3G)returns a subset of a buffer object's data store✨
glGetClipPlane(3G)return the coefficients of the specified clipping plane✨
glGetClipPlane(3gl)return the coefficients of the specified clipping plane✨
glGetColorTable(3G)retrieve contents of a color lookup table✨
glGetColorTable(3gl)retrieve contents of a color lookup table✨
glGetColorTableParameter(3G)get color lookup table parameters✨
glGetColorTableParameter(3gl)get color lookup table parameters✨
glGetColorTableParameterfv(3G)get color lookup table parameters✨
glGetColorTableParameterfv(3gl)get color lookup table parameters✨
glGetColorTableParameteriv(3G)get color lookup table parameters✨
glGetColorTableParameteriv(3gl)get color lookup table parameters✨
glGetCompressedTexImage(3G)return a compressed texture image✨
glGetCompressedTextureImage(3G)return a compressed texture image✨
glGetCompressedTextureSubImage(3G)retrieve a sub-region of a compressed texture image from a compressed texture object✨
glGetConvolutionFilter(3G)get current 1D or 2D convolution filter kernel✨
glGetConvolutionFilter(3gl)get current 1D or 2D convolution filter kernel✨
glGetConvolutionParameter(3G)get convolution parameters✨
glGetConvolutionParameter(3gl)get convolution parameters✨
glGetDebugMessageLog(3G)retrieve messages from the debug message log✨
glGetDoublev(3G)return the value or values of a selected parameter✨
glGetDoublev(3gl)return the value or values of a selected parameter✨
glGetError(3G)return error information✨
glGetError(3gl)return error information✨
glGetFloatv(3G)return the value or values of a selected parameter✨
glGetFloatv(3gl)return the value or values of a selected parameter✨
glGetFragDataIndex(3G)query the bindings of color indices to user-defined varying out variables✨
glGetFragDataLocation(3G)query the bindings of color numbers to user-defined varying out variables✨
glGetFramebufferAttachmentParameteriv(3G)retrieve information about attachments of a framebuffer object✨
glGetFramebufferParameteriv(3G)query a named parameter of a framebuffer object✨
glGetGraphicsResetStatus(3G)check if the rendering context has not been lost due to software or hardware issues✨
glGetHistogram(3G)get histogram table✨
glGetHistogram(3gl)get histogram table✨
glGetHistogramParameter(3G)get histogram parameters✨
glGetHistogramParameter(3gl)get histogram parameters✨
glGetIntegerv(3G)return the value or values of a selected parameter✨
glGetIntegerv(3gl)return the value or values of a selected parameter✨
glGetInternalformat(3G)retrieve information about implementation-dependent support for internal formats✨
glGetLight(3G)return light source parameter values✨
glGetLight(3gl)return light source parameter values✨
glGetLightfv(3G)return light source parameter values✨
glGetLightfv(3gl)return light source parameter values✨
glGetLightiv(3G)return light source parameter values✨
glGetLightiv(3gl)return light source parameter values✨
glGetMap(3G)return evaluator parameters✨
glGetMap(3gl)return evaluator parameters✨
glGetMapdv(3G)return evaluator parameters✨
glGetMapdv(3gl)return evaluator parameters✨
glGetMapfv(3G)return evaluator parameters✨
glGetMapfv(3gl)return evaluator parameters✨
glGetMapiv(3G)return evaluator parameters✨
glGetMapiv(3gl)return evaluator parameters✨
glGetMaterial(3G)return material parameters✨
glGetMaterial(3gl)return material parameters✨
glGetMaterialfv(3G)return material parameters✨
glGetMaterialfv(3gl)return material parameters✨
glGetMaterialiv(3G)return material parameters✨
glGetMaterialiv(3gl)return material parameters✨
glGetMinmax(3G)get minimum and maximum pixel values✨
glGetMinmax(3gl)get minimum and maximum pixel values✨
glGetMinmaxParameter(3G)get minmax parameters✨
glGetMinmaxParameter(3gl)get minmax parameters✨
glGetMultisamplefv(3G)retrieve the location of a sample✨
glGetNamedBufferParameteri64v(3G)return parameters of a buffer object✨
glGetNamedBufferParameteriv(3G)return parameters of a buffer object✨
glGetNamedBufferPointerv(3G)return the pointer to a mapped buffer object's data store✨
glGetNamedBufferSubData(3G)returns a subset of a buffer object's data store✨
glGetNamedFramebufferAttachmentParameteriv(3G)retrieve information about attachments of a framebuffer object✨
glGetNamedFramebufferParameteriv(3G)query a named parameter of a framebuffer object✨
glGetNamedRenderbufferParameteriv(3G)query a named parameter of a renderbuffer object✨
glGetnCompressedTexImage(3G)return a compressed texture image✨
glGetnTexImage(3G)return a texture image✨
glGetObjectLabel(3G)retrieve the label of a named object identified within a namespace✨
glGetObjectPtrLabel(3G)retrieve the label of a sync object identified by a pointer✨
glGetPixelMap(3G)return the specified pixel map✨
glGetPixelMap(3gl)return the specified pixel map✨
glGetPixelMapfv(3G)return the specified pixel map✨
glGetPixelMapfv(3gl)return the specified pixel map✨
glGetPixelMapuiv(3G)return the specified pixel map✨
glGetPixelMapuiv(3gl)return the specified pixel map✨
glGetPixelMapusv(3G)return the specified pixel map✨
glGetPixelMapusv(3gl)return the specified pixel map✨
glGetPointerv(3G)return the address of the specified pointer✨
glGetPointerv(3gl)return the address of the specified pointer✨
glGetPolygonStipple(3G)return the polygon stipple pattern✨
glGetPolygonStipple(3gl)return the polygon stipple pattern✨
glGetProgramBinary(3G)return a binary representation of a program object's compiled and linked executable source✨
glGetProgramInfoLog(3G)Returns the information log for a program object✨
glGetProgramInterface(3G)query a property of an interface in a program✨
glGetProgramiv(3G)Returns a parameter from a program object✨
glGetProgramPipeline(3G)retrieve properties of a program pipeline object✨
glGetProgramPipelineInfoLog(3G)retrieve the info log string from a program pipeline object✨
glGetProgramResource(3G)retrieve values for multiple properties of a single active resource within a program object✨
glGetProgramResourceIndex(3G)query the index of a named resource within a program✨
glGetProgramResourceLocation(3G)query the location of a named resource within a program✨
glGetProgramResourceLocationIndex(3G)query the fragment color index of a named variable within a program✨
glGetProgramResourceName(3G)query the name of an indexed resource within a program✨
glGetProgramStage(3G)retrieve properties of a program object corresponding to a specified shader stage✨
glGetQueryBufferObject(3G)return parameters of a query object✨
glGetQueryIndexediv(3G)return parameters of an indexed query object target✨
glGetQueryiv(3G)return parameters of a query object target✨
glGetQueryObject(3G)return parameters of a query object✨
glGetRenderbufferParameteriv(3G)query a named parameter of a renderbuffer object✨
glGetSamplerParameter(3G)return sampler parameter values✨
glGetSeparableFilter(3G)get separable convolution filter kernel images✨
glGetSeparableFilter(3gl)get separable convolution filter kernel images✨
glGetShaderInfoLog(3G)Returns the information log for a shader object✨
glGetShaderiv(3G)Returns a parameter from a shader object✨
glGetShaderPrecisionFormat(3G)retrieve the range and precision for numeric formats supported by the shader compiler✨
glGetShaderSource(3G)Returns the source code string from a shader object✨
glGetString(3G)return a string describing the current GL connection✨
glGetString(3gl)✨
glGetSubroutineIndex(3G)retrieve the index of a subroutine uniform of a given shader stage within a program✨
glGetSubroutineUniformLocation(3G)retrieve the location of a subroutine uniform of a given shader stage within a program✨
glGetSynciv(3G)query the properties of a sync object✨
glGetTexEnv(3G)return texture environment parameters✨
glGetTexEnv(3gl)return texture environment parameters✨
glGetTexEnvfv(3G)return texture environment parameters✨
glGetTexEnvfv(3gl)return texture environment parameters✨
glGetTexEnviv(3G)return texture environment parameters✨
glGetTexEnviv(3gl)return texture environment parameters✨
glGetTexGen(3G)return texture coordinate generation parameters✨
glGetTexGen(3gl)return texture coordinate generation parameters✨
glGetTexGendv(3G)return texture coordinate generation parameters✨
glGetTexGendv(3gl)return texture coordinate generation parameters✨
glGetTexGenfv(3G)return texture coordinate generation parameters✨
glGetTexGenfv(3gl)return texture coordinate generation parameters✨
glGetTexGeniv(3G)return texture coordinate generation parameters✨
glGetTexGeniv(3gl)return texture coordinate generation parameters✨
glGetTexImage(3G)return a texture image✨
glGetTexImage(3gl)return a texture image✨
glGetTexLevelParameter(3G)return texture parameter values for a specific level of detail✨
glGetTexLevelParameter(3gl)return texture parameter values for a specific level of detail✨
glGetTexLevelParameterfv(3G)return texture parameter values for a specific level of detail✨
glGetTexLevelParameterfv(3gl)return texture parameter values for a specific level of detail✨
glGetTexLevelParameteriv(3G)return texture parameter values for a specific level of detail✨
glGetTexLevelParameteriv(3gl)return texture parameter values for a specific level of detail✨
glGetTexParameter(3G)return texture parameter values✨
glGetTexParameter(3gl)return texture parameter values✨
glGetTexParameterfv(3G)return texture parameter values✨
glGetTexParameterfv(3gl)return texture parameter values✨
glGetTexParameteriv(3G)return texture parameter values✨
glGetTexParameteriv(3gl)return texture parameter values✨
glGetTextureImage(3G)return a texture image✨