📦 gl-manpages

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G

gl_ClipDistance(3G)provides a forward-compatible mechanism for vertex clipping✨
gl_CullDistance(3G)provides a mechanism for controlling user culling✨
gl_FragCoord(3G)contains the window-relative coordinates of the current fragment✨
gl_FragDepth(3G)establishes a depth value for the current fragment✨
gl_FrontFacing(3G)indicates whether a primitive is front or back facing✨
gl_GlobalInvocationID(3G)contains the global index of work item currently being operated on by a compute shader✨
gl_HelperInvocation(3G)indicates whether a fragment shader invocation is a helper invocation✨
gl_InstanceID(3G)contains the index of the current primitive in an instanced draw command✨
gl_InvocationID(3G)contains the invocation index of the current shader✨
gl_Layer(3G)contains the selected layer of a multi-layer framebuffer attachment✨
gl_LocalInvocationID(3G)contains the index of work item currently being operated on by a compute shader✨
gl_LocalInvocationIndex(3G)contains the local linear index of work item currently being operated on by a compute shader✨
gl_NumSamples(3G)contains the total number of samples in the framebuffer✨
gl_NumWorkGroups(3G)contains the number of workgroups that have been dispatched to a compute shader✨
gl_PatchVerticesIn(3G)contains the number of vertices in the current patch✨
gl_PointCoord(3G)contains the coordinate of a fragment within a point✨
gl_PointSize(3G)contains size of rasterized points, in pixels✨
gl_Position(3G)contains the position of the current vertex✨
gl_PrimitiveID(3G)contains the index of the current primitive✨
gl_PrimitiveIDIn(3G)contains the index of the current primitive✨
gl_SampleID(3G)contains the index of the sample currently being processed✨
gl_SampleMask(3G)specifies the sample coverage mask for the current fragment✨
gl_SampleMaskIn(3G)contains the computed sample coverage mask for the current fragment✨
gl_SamplePosition(3G)contains the location of the current sample within the current fragment✨
gl_TessCoord(3G)contains the coordinate of the vertex within the current patch✨
gl_TessLevelInner(3G)contains the inner tessellation levels for the current patch✨
gl_TessLevelOuter(3G)contains the outer tessellation levels for the current patch✨
gl_VertexID(3G)contains the index of the current vertex✨
gl_ViewportIndex(3G)contains the index of the viewport to be used in viewport transformation and scissoring✨
gl_WorkGroupID(3G)contains the index of the workgroup currently being operated on by a compute shader✨
gl_WorkGroupSize(3G)contains the size of the workgroup operated on by a compute shader✨
glAccum(3G)operate on the accumulation buffer✨
glActiveShaderProgram(3G)set the active program object for a program pipeline object✨
glActiveTexture(3G)select active texture unit✨
glActiveTextureARB(3G)select active texture unit✨
glAlphaFunc(3G)specify the alpha test function✨
glAreTexturesResident(3G)determine if textures are loaded in texture memory✨
glArrayElement(3G)render a vertex using the specified vertex array element✨
glAttachShader(3G)Attaches a shader object to a program object✨
glBegin(3G)delimit the vertices of a primitive or a group of like primitives✨
glBeginConditionalRender(3G)start conditional rendering✨
glBeginQuery(3G)delimit the boundaries of a query object✨
glBeginQueryIndexed,_glEndQueryIndexed(3G)delimit the boundaries of a query object on an indexed target✨
glBeginTransformFeedback(3G)start transform feedback operation✨
glBindAttribLocation(3G)Associates a generic vertex attribute index with a named attribute variable✨
glBindBuffer(3G)bind a named buffer object✨
glBindBufferBase(3G)bind a buffer object to an indexed buffer target✨
glBindBufferRange(3G)bind a range within a buffer object to an indexed buffer target✨
glBindBuffersBase(3G)bind one or more buffer objects to a sequence of indexed buffer targets✨
glBindBuffersRange(3G)bind ranges of one or more buffer objects to a sequence of indexed buffer targets✨
glBindFragDataLocation(3G)bind a user-defined varying out variable to a fragment shader color number✨
glBindFragDataLocationIndexed(3G)bind a user-defined varying out variable to a fragment shader color number and index✨
glBindFramebuffer(3G)bind a framebuffer to a framebuffer target✨
glBindImageTexture(3G)bind a level of a texture to an image unit✨
glBindImageTextures(3G)bind one or more named texture images to a sequence of consecutive image units✨
glBindProgramPipeline(3G)bind a program pipeline to the current context✨
glBindRenderbuffer(3G)bind a renderbuffer to a renderbuffer target✨
glBindSampler(3G)bind a named sampler to a texturing target✨
glBindSamplers(3G)bind one or more named sampler objects to a sequence of consecutive sampler units✨
glBindTexture(3G)bind a named texture to a texturing target✨
glBindTextures(3G)bind one or more named textures to a sequence of consecutive texture units✨
glBindTextureUnit(3G)bind an existing texture object to the specified texture unit✨
glBindTransformFeedback(3G)bind a transform feedback object✨
glBindVertexArray(3G)bind a vertex array object✨
glBindVertexBuffer(3G)bind a buffer to a vertex buffer bind point✨
glBindVertexBuffers(3G)attach multiple buffer objects to a vertex array object✨
glBitmap(3G)draw a bitmap✨
glBlendColor(3G)set the blend color✨
glBlendEquation(3G)specify the equation used for both the RGB blend equation and the Alpha blend equation✨
glBlendEquationSeparate(3G)set the RGB blend equation and the alpha blend equation separately✨
glBlendFunc(3G)specify pixel arithmetic✨
glBlendFuncSeparate(3G)specify pixel arithmetic for RGB and alpha components separately✨
glBlitFramebuffer(3G)copy a block of pixels from one framebuffer object to another✨
glBlitNamedFramebuffer(3G)copy a block of pixels from one framebuffer object to another✨
glBufferData(3G)creates and initializes a buffer object's data store✨
glBufferStorage(3G)creates and initializes a buffer object's immutable data store✨
glBufferSubData(3G)updates a subset of a buffer object's data store✨
glCallList(3G)execute a display list✨
glCallLists(3G)execute a list of display lists✨
glCheckFramebufferStatus(3G)check the completeness status of a framebuffer✨
glCheckNamedFramebufferStatus(3G)check the completeness status of a framebuffer✨
glClampColor(3G)specify whether data read via glReadPixels() should be clamped✨
glClear(3G)clear buffers to preset values✨
glClearAccum(3G)specify clear values for the accumulation buffer✨
glClearBuffer(3G)clear individual buffers of a framebuffer✨
glClearBufferData(3G)fill a buffer object's data store with a fixed value✨
glClearBufferSubData(3G)fill all or part of buffer object's data store with a fixed value✨
glClearColor(3G)specify clear values for the color buffers✨
glClearDepth(3G)specify the clear value for the depth buffer✨
glClearIndex(3G)specify the clear value for the color index buffers✨
glClearNamedBufferData(3G)fill a buffer object's data store with a fixed value✨
glClearNamedBufferSubData(3G)fill all or part of buffer object's data store with a fixed value✨
glClearStencil(3G)specify the clear value for the stencil buffer✨
glClearTexImage(3G)fills all a texture image with a constant value✨
glClearTexSubImage(3G)fills all or part of a texture image with a constant value✨
glClientActiveTextureARB(3G)select active texture unit✨
glClientWaitSync(3G)block and wait for a sync object to become signaled✨
glClipControl(3G)control clip coordinate to window coordinate behavior✨
glClipPlane(3G)specify a plane against which all geometry is clipped✨
glColor(3G)set the current color✨
glColor3b(3G)set the current color✨
glColor3bv(3G)set the current color✨
glColor3d(3G)set the current color✨
glColor3dv(3G)set the current color✨
glColor3f(3G)set the current color✨
glColor3fv(3G)set the current color✨
glColor3i(3G)set the current color✨
glColor3iv(3G)set the current color✨
glColor3s(3G)set the current color✨
glColor3sv(3G)set the current color✨
glColor3ub(3G)set the current color✨
glColor3ubv(3G)set the current color✨
glColor3ui(3G)set the current color✨
glColor3uiv(3G)set the current color✨
glColor3us(3G)set the current color✨
glColor3usv(3G)set the current color✨
glColor4b(3G)set the current color✨
glColor4bv(3G)set the current color✨
glColor4d(3G)set the current color✨
glColor4dv(3G)set the current color✨
glColor4f(3G)set the current color✨
glColor4fv(3G)set the current color✨
glColor4i(3G)set the current color✨
glColor4iv(3G)set the current color✨
glColor4s(3G)set the current color✨
glColor4sv(3G)set the current color✨
glColor4ub(3G)set the current color✨
glColor4ubv(3G)set the current color✨
glColor4ui(3G)set the current color✨
glColor4uiv(3G)set the current color✨
glColor4us(3G)set the current color✨
glColor4usv(3G)set the current color✨
glColorMask(3G)enable and disable writing of frame buffer color components✨
glColorMask,_glColorMaski(3G)enable and disable writing of frame buffer color components✨
glColorMaterial(3G)cause a material color to track the current color✨
glColorPointer(3G)define an array of colors✨
glColorSubTable(3G)respecify a portion of a color table✨
glColorTable(3G)define a color lookup table✨
glColorTableParameter(3G)set color lookup table parameters✨
glColorTableParameterfv(3G)set color lookup table parameters✨
glColorTableParameteriv(3G)set color lookup table parameters✨
glCompileShader(3G)Compiles a shader object✨
glCompressedTexImage1D(3G)specify a one-dimensional texture image in a compressed format✨
glCompressedTexImage2D(3G)specify a two-dimensional texture image in a compressed format✨
glCompressedTexImage3D(3G)specify a three-dimensional texture image in a compressed format✨
glCompressedTexSubImage1D(3G)specify a one-dimensional texture subimage in a compressed format✨
glCompressedTexSubImage2D(3G)specify a two-dimensional texture subimage in a compressed format✨
glCompressedTexSubImage3D(3G)specify a three-dimensional texture subimage in a compressed format✨
glCompressedTextureSubImage1D(3G)specify a one-dimensional texture subimage in a compressed format✨
glCompressedTextureSubImage2D(3G)specify a two-dimensional texture subimage in a compressed format✨
glCompressedTextureSubImage3D(3G)specify a three-dimensional texture subimage in a compressed format✨
glConvolutionFilter1D(3G)define a one-dimensional convolution filter✨
glConvolutionFilter2D(3G)define a two-dimensional convolution filter✨
glConvolutionParameter(3G)set convolution parameters✨
glCopyBufferSubData(3G)copy all or part of the data store of a buffer object to the data store of another buffer object✨
glCopyColorSubTable(3G)respecify a portion of a color table✨
glCopyColorTable(3G)copy pixels into a color table✨
glCopyConvolutionFilter1D(3G)copy pixels into a one-dimensional convolution filter✨
glCopyConvolutionFilter2D(3G)copy pixels into a two-dimensional convolution filter✨
glCopyImageSubData(3G)perform a raw data copy between two images✨
glCopyNamedBufferSubData(3G)copy all or part of the data store of a buffer object to the data store of another buffer object✨
glCopyPixels(3G)copy pixels in the frame buffer✨
glCopyTexImage1D(3G)copy pixels into a 1D texture image✨
glCopyTexImage2D(3G)copy pixels into a 2D texture image✨
glCopyTexSubImage1D(3G)copy a one-dimensional texture subimage✨
glCopyTexSubImage2D(3G)copy a two-dimensional texture subimage✨
glCopyTexSubImage3D(3G)copy a three-dimensional texture subimage✨
glCopyTextureSubImage1D(3G)copy a one-dimensional texture subimage✨
glCopyTextureSubImage2D(3G)copy a two-dimensional texture subimage✨
glCopyTextureSubImage3D(3G)copy a three-dimensional texture subimage✨
glCreateBuffers(3G)create buffer objects✨
glCreateFramebuffers(3G)create framebuffer objects✨
glCreateProgram(3G)Creates a program object✨
glCreateProgramPipelines(3G)create program pipeline objects✨
glCreateQueries(3G)create query objects✨
glCreateRenderbuffers(3G)create renderbuffer objects✨
glCreateSamplers(3G)create sampler objects✨
glCreateShader(3G)Creates a shader object✨
glCreateShaderProgramv(3G)create a stand-alone program from an array of null-terminated source code strings✨
glCreateTextures(3G)create texture objects✨
glCreateTransformFeedbacks(3G)create transform feedback objects✨
glCreateVertexArrays(3G)create vertex array objects✨
glCullFace(3G)specify whether front- or back-facing facets can be culled✨
glDebugMessageCallback(3G)specify a callback to receive debugging messages from the GL✨
glDebugMessageControl(3G)control the reporting of debug messages in a debug context✨
glDebugMessageInsert(3G)inject an application-supplied message into the debug message queue✨
glDeleteBuffers(3G)delete named buffer objects✨
glDeleteFramebuffers(3G)delete framebuffer objects✨
glDeleteLists(3G)delete a contiguous group of display lists✨
glDeleteProgram(3G)Deletes a program object✨
glDeleteProgramPipelines(3G)delete program pipeline objects✨
glDeleteQueries(3G)delete named query objects✨
glDeleteRenderbuffers(3G)delete renderbuffer objects✨
glDeleteSamplers(3G)delete named sampler objects✨
glDeleteShader(3G)Deletes a shader object✨
glDeleteSync(3G)delete a sync object✨
glDeleteTextures(3G)delete named textures✨
glDeleteTransformFeedbacks(3G)delete transform feedback objects✨
glDeleteVertexArrays(3G)delete vertex array objects✨
glDepthFunc(3G)specify the value used for depth buffer comparisons✨