section 3 · Library functions 📚

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G (continued)

gl_inactivity_timeout(3)allow the user to compose an input line✨
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_io_mode(3)How to use gl_get_line() from an external event loop.✨
gl_last_signal(3)allow the user to compose an input line✨
gl_Layer(3G)contains the selected layer of a multi-layer framebuffer attachment✨
gl_limit_history(3)allow the user to compose an input line✨
gl_list_signals(3)allow the user to compose an input line✨
gl_load_history(3)allow the user to compose an input line✨
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_lookup_history(3)allow the user to compose an input line✨
gl_normal_io(3)How to use gl_get_line() from an external event loop.✨
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_pending_io(3)How to use gl_get_line() from an external event loop.✨
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_prompt_style(3)allow the user to compose an input line✨
gl_query_char(3)allow the user to compose an input line✨
gl_range_of_history(3)allow the user to compose an input line✨
gl_raw_io(3)How to use gl_get_line() from an external event loop.✨
gl_read_char(3)allow the user to compose an input line✨
gl_register_action(3)allow the user to compose an input line✨
gl_resize_history(3)allow the user to compose an input line✨
gl_return_status(3)allow the user to compose an input line✨
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_save_history(3)allow the user to compose an input line✨
gl_set_term_size(3)allow the user to compose an input line✨
gl_show_history(3)allow the user to compose an input line✨
gl_size_of_history(3)allow the user to compose an input line✨
gl_state_of_history(3)allow the user to compose an input line✨
gl_terminal_size(3)allow the user to compose an input line✨
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_toggle_history(3)allow the user to compose an input line✨
gl_trap_signal(3)allow the user to compose an input line✨
gl_tty_signals(3)How to use gl_get_line() from an external event loop.✨
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_watch_fd(3)allow the user to compose an input line✨
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✨
glAccum(3gl)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✨
glActiveTextureARB(3gl)select active texture unit✨
glAlphaFunc(3G)specify the alpha test function✨
glAlphaFunc(3gl)specify the alpha test function✨
glAreTexturesResident(3G)determine if textures are loaded in texture memory✨
glAreTexturesResident(3gl)determine if textures are loaded in texture memory✨
glArrayElement(3G)render a vertex using the specified vertex array element✨
glArrayElement(3gl)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✨
glBegin(3gl)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✨
glBindTexture(3gl)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✨
glBitmap(3gl)draw a bitmap✨
glBlendColor(3G)set the blend color✨
glBlendColor(3gl)set the blend color✨
glBlendEquation(3G)specify the equation used for both the RGB blend equation and the Alpha blend equation✨
glBlendEquation(3gl)set the blend equation✨
glBlendEquationSeparate(3G)set the RGB blend equation and the alpha blend equation separately✨
glBlendFunc(3G)specify pixel arithmetic✨
glBlendFunc(3gl)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✨
glCallList(3gl)execute a display list✨
glCallLists(3G)execute a list of display lists✨
glCallLists(3gl)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✨
glClear(3gl)clear buffers to preset values✨
glClearAccum(3G)specify clear values for the accumulation buffer✨
glClearAccum(3gl)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✨
glClearColor(3gl)specify clear values for the color buffers✨
glClearDepth(3G)specify the clear value for the depth buffer✨
glClearDepth(3gl)specify the clear value for the depth buffer✨
glClearIndex(3G)specify the clear value for the color index buffers✨
glClearIndex(3gl)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✨
glClearStencil(3gl)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✨
glClientActiveTextureARB(3gl)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✨
glClipPlane(3gl)specify a plane against which all geometry is clipped✨
glColor(3G)set the current color✨
glColor(3gl)set the current color✨
glColor3b(3G)set the current color✨
glColor3b(3gl)set the current color✨
glColor3bv(3G)set the current color✨
glColor3bv(3gl)set the current color✨
glColor3d(3G)set the current color✨
glColor3d(3gl)set the current color✨
glColor3dv(3G)set the current color✨
glColor3dv(3gl)set the current color✨
glColor3f(3G)set the current color✨
glColor3f(3gl)set the current color✨
glColor3fv(3G)set the current color✨
glColor3fv(3gl)set the current color✨
glColor3i(3G)set the current color✨
glColor3i(3gl)set the current color✨
glColor3iv(3G)set the current color✨
glColor3iv(3gl)set the current color✨
glColor3s(3G)set the current color✨
glColor3s(3gl)set the current color✨
glColor3sv(3G)set the current color✨
glColor3sv(3gl)set the current color✨
glColor3ub(3G)set the current color✨
glColor3ub(3gl)set the current color✨
glColor3ubv(3G)set the current color✨
glColor3ubv(3gl)set the current color✨
glColor3ui(3G)set the current color✨
glColor3ui(3gl)set the current color✨
glColor3uiv(3G)set the current color✨
glColor3uiv(3gl)set the current color✨
glColor3us(3G)set the current color✨
glColor3us(3gl)set the current color✨
glColor3usv(3G)set the current color✨
glColor3usv(3gl)set the current color✨
glColor4b(3G)set the current color✨
glColor4b(3gl)set the current color✨
glColor4bv(3G)set the current color✨
glColor4bv(3gl)set the current color✨
glColor4d(3G)set the current color✨
glColor4d(3gl)set the current color✨
glColor4dv(3G)set the current color✨
glColor4dv(3gl)set the current color✨
glColor4f(3G)set the current color✨
glColor4f(3gl)set the current color✨
glColor4fv(3G)set the current color✨
glColor4fv(3gl)set the current color✨
glColor4i(3G)set the current color✨
glColor4i(3gl)set the current color✨
glColor4iv(3G)set the current color✨
glColor4iv(3gl)set the current color✨
glColor4s(3G)set the current color✨
glColor4s(3gl)set the current color✨
glColor4sv(3G)set the current color✨
glColor4sv(3gl)set the current color✨
glColor4ub(3G)set the current color✨
glColor4ub(3gl)set the current color✨
glColor4ubv(3G)set the current color✨
glColor4ubv(3gl)set the current color✨
glColor4ui(3G)set the current color✨
glColor4ui(3gl)set the current color✨