section 3G · Library functions 📚

A

• abs(3G)return the absolute value of the parameter✨
• acos(3G)return the arccosine of the parameter✨
• acosh(3G)return the arc hyperbolic cosine of the parameter✨
• all(3G)check whether all elements of a boolean vector are true✨
• any(3G)check whether any element of a boolean vector is true✨
• asin(3G)return the arcsine of the parameter✨
• asinh(3G)return the arc hyperbolic sine of the parameter✨
• atan(3G)return the arc-tangent of the parameters✨
• atanh(3G)return the arc hyperbolic tangent of the parameter✨
• atomicAdd(3G)perform an atomic addition to a variable✨
• atomicAnd(3G)perform an atomic logical AND operation to a variable✨
• atomicCompSwap(3G)perform an atomic compare-exchange operation to a variable✨
• atomicCounter(3G)return the current value of an atomic counter✨
• atomicCounterDecrement(3G)atomically decrement a counter and return the prior value✨
• atomicCounterIncrement(3G)atomically increment a counter and return the prior value✨
• atomicExchange(3G)perform an atomic exchange operation to a variable✨
• atomicMax(3G)perform an atomic max operation to a variable✨
• atomicMin(3G)perform an atomic min operation to a variable✨
• atomicOr(3G)perform an atomic logical OR operation to a variable✨
• atomicXor(3G)perform an atomic logical exclusive OR operation to a variable✨

B

• barrier(3G)synchronize execution of multiple shader invocations✨
• bitCount(3G)counts the number of 1 bits in an integer✨
• bitfieldExtract(3G)extract a range of bits from an integer✨
• bitfieldInsert(3G)insert a range of bits into an integer✨
• bitfieldReverse(3G)reverse the order of bits in an integer✨

C

• ceil(3G)find the nearest integer that is greater than or equal to the parameter✨
• clamp(3G)constrain a value to lie between two further values✨
• cos(3G)return the cosine of the parameter✨
• cosh(3G)return the hyperbolic cosine of the parameter✨
• cross(3G)calculate the cross product of two vectors✨

D

• degrees(3G)convert a quantity in radians to degrees✨
• determinant(3G)calculate the determinant of a matrix✨
• dFdx,_dFdy(3G)return the partial derivative of an argument with respect to x or y✨
• distance(3G)calculate the distance between two points✨
• dot(3G)calculate the dot product of two vectors✨

E

• EmitStreamVertex(3G)emit a vertex to a specified stream✨
• EmitVertex(3G)emit a vertex to the first vertex stream✨
• EndPrimitive(3G)complete the current output primitive on the first vertex stream✨
• EndStreamPrimitive(3G)complete the current output primitive on a specified stream✨
• equal(3G)perform a component-wise equal-to comparison of two vectors✨
• exp(3G)return the natural exponentiation of the parameter✨
• exp2(3G)return 2 raised to the power of the parameter✨

F

• faceforward(3G)return a vector pointing in the same direction as another✨
• findLSB(3G)find the index of the least significant bit set to 1 in an integer✨
• findMSB(3G)find the index of the most significant bit set to 1 in an integer✨
• floatBitsToInt(3G)produce the encoding of a floating point value as an integer✨
• floor(3G)find the nearest integer less than or equal to the parameter✨
• fma(3G)perform a fused multiply-add operation✨
• fract(3G)compute the fractional part of the argument✨
• frexp(3G)split a floating point number✨
• fwidth(3G)return the sum of the absolute value of derivatives in x and y✨

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✨