Erlang -- gl

uniform3f(Location, V0, V1, V2) -> ok

Types

Location = integer()

V0 = float()

V1 = float()

V2 = float()

uniform4f(Location, V0, V1, V2, V3) -> ok

Types

Location = integer()

V0 = float()

V1 = float()

Types

Location = integer()

V0 = integer()

V1 = integer()

V2 = integer()

uniform4i(Location, V0, V1, V2, V3) -> ok

Types

Location = integer()

V0 = integer()

V1 = integer()

Types

Index = integer()

X = float()

Specifies the value of a generic vertex attribute

The gl:vertexAttrib family of entry points allows an application to pass generic vertex attributes in numbered locations.

See external documentation.

vertexAttrib1dv(Index::integer(), V) -> ok

Types

V = {X::float()}

Equivalent to vertexAttrib1d(Index, X).

vertexAttrib1f(Index, X) -> ok

Types

Index = integer()

X = float()

vertexAttrib1fv(Index::integer(), V) -> ok

Types

V = {X::float()}

Equivalent to vertexAttrib1f(Index, X).

Types

Index = integer()

X = integer()

Y = integer()

Z = integer()

W = integer()

Types

Index = integer()

X = float()

Y = float()

Z = float()

W = float()

vertexAttrib4dv(Index::integer(), V) -> ok

Types

V = {X::float(), Y::float(), Z::float(), W::float()}

Equivalent to vertexAttrib4d(Index, X, Y, Z, W).

vertexAttrib4f(Index, X, Y, Z, W) -> ok

Types

Index = integer()

X = float()

Y = float()

Z = float()

W = float()

vertexAttrib4fv(Index::integer(), V) -> ok

Types

V = {X::float(), Y::float(), Z::float(), W::float()}

Equivalent to vertexAttrib4f(Index, X, Y, Z, W).

vertexAttrib4iv(Index, V) -> ok

Types

Index = integer()

V = {integer(), integer(), integer(), integer()}

vertexAttrib4s(Index, X, Y, Z, W) -> ok

Types

Index = integer()

X = integer()

Y = integer()

Z = integer()

W = integer()

Types

Index = integer()

Size = integer()

Type = enum()

Normalized = 0 | 1

Stride = integer()

Index = integer()

R = 0 | 1

G = 0 | 1

B = 0 | 1

Types

Target = enum()

Index = integer()

glIsEnabledi

See external documentation.

beginTransformFeedback(PrimitiveMode) -> ok

Types

PrimitiveMode = enum()

Start transform feedback operation

Transform feedback mode captures the values of varying variables written by the vertex shader (or, if active, the geometry shader). Transform feedback is said to be active after a call to gl:beginTransformFeedback until a subsequent call to gl:beginTransformFeedback/1 . Transform feedback commands must be paired.

See external documentation.

endTransformFeedback() -> ok

See beginTransformFeedback/1

bindBufferRange(Target, Index, Buffer, Offset, Size) -> ok

Types

Target = enum()

Index = integer()

Id = integer()

Mode = enum()

Start conditional rendering

Conditional rendering is started using gl:beginConditionalRender and ended using gl:endConditionalRender . During conditional rendering, all vertex array commands, as well as gl:clear/1 and gl:clearBufferiv/3 have no effect if the (?GL_SAMPLES_PASSED) result of the query object Id is zero, or if the (?GL_ANY_SAMPLES_PASSED) result is ?GL_FALSE . The results of commands setting the current vertex state, such as gl:vertexAttrib1d/2 are undefined. If the (?GL_SAMPLES_PASSED) result is non-zero or if the (?GL_ANY_SAMPLES_PASSED ) result is ?GL_TRUE, such commands are not discarded. The Id parameter to gl:beginConditionalRender must be the name of a query object previously returned from a call to gl:genQueries/1 . Mode specifies how the results of the query object are to be interpreted. If Mode is ?GL_QUERY_WAIT, the GL waits for the results of the query to be available and then uses the results to determine if subsequent rendering commands are discarded. If Mode is ?GL_QUERY_NO_WAIT, the GL may choose to unconditionally execute the subsequent rendering commands without waiting for the query to complete.

See external documentation.

endConditionalRender() -> ok

See beginConditionalRender/2

vertexAttribIPointer(Index, Size, Type, Stride, Pointer) -> ok

Types

Index = integer()

Size = integer()

Type = enum()

Stride = integer()

Pointer = offset() | mem()

glVertexAttribIPointer

See external documentation.

getVertexAttribIiv(Index, Pname) -> {integer(), integer(), integer(), integer()}

Types

Index = integer()

Pname = enum()

See getVertexAttribdv/2

getVertexAttribIuiv(Index, Pname) -> {integer(), integer(), integer(), integer()}

Types

Index = integer()

Pname = enum()

glGetVertexAttribI

See external documentation.

vertexAttribI1i(Index, X) -> ok

Types

Index = integer()

X = integer()

vertexAttribI2i(Index, X, Y) -> ok

Types

Index = integer()

X = integer()

Y = integer()

vertexAttribI3i(Index, X, Y, Z) -> ok

Types

Index = integer()

X = integer()

Y = integer()

Z = integer()

vertexAttribI4i(Index, X, Y, Z, W) -> ok

Types

Index = integer()

X = integer()

Y = integer()

Types

Index = integer()

X = integer()

Y = integer()

Z = integer()

vertexAttribI4ui(Index, X, Y, Z, W) -> ok

Types

Index = integer()

X = integer()

Y = integer()

Types

Program = integer()

Color = integer()

Name = string()

Bind a user-defined varying out variable to a fragment shader color number

gl:bindFragDataLocation explicitly specifies the binding of the user-defined varying out variable Name to fragment shader color number ColorNumber for program Program . If Name was bound previously, its assigned binding is replaced with ColorNumber . Name must be a null-terminated string. ColorNumber must be less than ?GL_MAX_DRAW_BUFFERS .

See external documentation.

getFragDataLocation(Program, Name) -> integer()

Types

Program = integer()

Name = string()

Query the bindings of color numbers to user-defined varying out variables

gl:getFragDataLocation retrieves the assigned color number binding for the user-defined varying out variable Name for program Program . Program must have previously been linked. Name must be a null-terminated string. If Name is not the name of an active user-defined varying out fragment shader variable within Program , -1 will be returned.

See external documentation.

uniform1ui(Location, V0) -> ok

Types

Location = integer()

V0 = integer()

uniform2ui(Location, V0, V1) -> ok

Types

Location = integer()

V0 = integer()

V1 = integer()

uniform3ui(Location, V0, V1, V2) -> ok

Types

Location = integer()

V0 = integer()

V1 = integer()

V2 = integer()

uniform4ui(Location, V0, V1, V2, V3) -> ok

Types

Location = integer()

V0 = integer()

V1 = integer()

Stencil = integer()

glClearBufferfi

See external documentation.

getStringi(Name, Index) -> string()

Types

Name = enum()

Index = integer()

See getString/1

drawArraysInstanced(Mode, First, Count, Primcount) -> ok

Types

Mode = enum()

First = integer()

Count = integer()

Primcount = integer()

glDrawArraysInstance

See external documentation.

drawElementsInstanced(Mode, Count, Type, Indices, Primcount) -> ok

Types

Mode = enum()

Count = integer()

Target = enum()

Index = integer()

See getBooleanv/1

getBufferParameteri64v(Target, Pname) -> [integer()]

Types

Target = enum()

Pname = enum()

glGetBufferParameteri64v

See external documentation.

framebufferTexture(Target, Attachment, Texture, Level) -> ok

Types

Target = enum()

Attachment = enum()

Texture = integer()

Level = integer()

Attach a level of a texture object as a logical buffer to the currently bound framebuffer object

gl:framebufferTexture, gl:framebufferTexture1D, gl:framebufferTexture2D, and gl:framebufferTexture attach a selected mipmap level or image of a texture object as one of the logical buffers of the framebuffer object currently bound to Target . Target must be ?GL_DRAW_FRAMEBUFFER, ?GL_READ_FRAMEBUFFER, or ?GL_FRAMEBUFFER . ?GL_FRAMEBUFFER is equivalent to ?GL_DRAW_FRAMEBUFFER.

See external documentation.

vertexAttribDivisor(Index, Divisor) -> ok

Types

Index = integer()

Divisor = integer()

Modify the rate at which generic vertex attributes advance during instanced rendering

gl:vertexAttribDivisor modifies the rate at which generic vertex attributes advance when rendering multiple instances of primitives in a single draw call. If Divisor is zero, the attribute at slot Index advances once per vertex. If Divisor is non-zero, the attribute advances once per Divisor instances of the set(s) of vertices being rendered. An attribute is referred to as instanced if its ?GL_VERTEX_ATTRIB_ARRAY_DIVISOR value is non-zero.

See external documentation.

minSampleShading(Value) -> ok

Types

Value = clamp()

Specifies minimum rate at which sample shaing takes place

gl:minSampleShading specifies the rate at which samples are shaded within a covered pixel. Sample-rate shading is enabled by calling gl:enable/1 with the parameter ?GL_SAMPLE_SHADING . If ?GL_MULTISAMPLE or ?GL_SAMPLE_SHADING is disabled, sample shading has no effect. Otherwise, an implementation must provide at least as many unique color values for each covered fragment as specified by Value times Samples where Samples is the value of ?GL_SAMPLES for the current framebuffer. At least 1 sample for each covered fragment is generated.

See external documentation.

blendEquationi(Buf, Mode) -> ok

Types

Buf = integer()

Mode = enum()

See blendEquation/1

blendEquationSeparatei(Buf, ModeRGB, ModeAlpha) -> ok

Types

Buf = integer()

ModeRGB = enum()

ModeAlpha = enum()

See blendEquationSeparate/2

blendFunci(Buf, Src, Dst) -> ok

Types

Buf = integer()

Src = enum()

Dst = enum()

glBlendFunci

See external documentation.

blendFuncSeparatei(Buf, SrcRGB, DstRGB, SrcAlpha, DstAlpha) -> ok

Types

Buf = integer()

SrcRGB = enum()

Target = enum()

Format = enum()

String = string()

glProgramStringARB

See external documentation.

bindProgramARB(Target, Program) -> ok

Types

Target = enum()

Target = enum()

Index = integer()

X = float()

Y = float()

Z = float()

W = float()

glProgramEnvParameterARB

See external documentation.

programEnvParameter4dvARB(Target, Index, Params) -> ok

Types

Target = enum()

Index = integer()

Params = {float(), float(), float(), float()}

glProgramEnvParameterARB

See external documentation.

programEnvParameter4fARB(Target, Index, X, Y, Z, W) -> ok

Types

Target = enum()

Index = integer()

X = float()

Y = float()

Z = float()

W = float()

glProgramEnvParameterARB

See external documentation.

programEnvParameter4fvARB(Target, Index, Params) -> ok

Types

Target = enum()

Index = integer()

Params = {float(), float(), float(), float()}

glProgramEnvParameterARB

See external documentation.

programLocalParameter4dARB(Target, Index, X, Y, Z, W) -> ok

Types

Target = enum()

Index = integer()

X = float()

Y = float()

Z = float()

W = float()

glProgramLocalParameterARB

See external documentation.

programLocalParameter4dvARB(Target, Index, Params) -> ok

Types

Target = enum()

Index = integer()

Params = {float(), float(), float(), float()}

glProgramLocalParameterARB

See external documentation.

programLocalParameter4fARB(Target, Index, X, Y, Z, W) -> ok

Types

Target = enum()

Index = integer()

X = float()

Y = float()

Z = float()

W = float()

glProgramLocalParameterARB

See external documentation.

programLocalParameter4fvARB(Target, Index, Params) -> ok

Types

Target = enum()

Types

Target = enum()

Types

ShaderType = enum()

glCreateShaderObjectARB

See external documentation.

shaderSourceARB(ShaderObj, String) -> ok

Types

ShaderObj = integer()

String = iolist()

ContainerObj = integer()

Types

ProgramObj = integer()

Types

ProgramObj = integer()

gl:renderbufferStorage is equivalent to calling gl:renderbufferStorageMultisample/5 with the Samples set to zero.

See external documentation.

getRenderbufferParameteriv(Target, Pname) -> integer()

Types

Target = enum()

See framebufferTexture/4

SrcX0 = integer()

SrcY0 = integer()

SrcX1 = integer()

SrcY1 = integer()

DstX0 = integer()

DstY0 = integer()

DstX1 = integer()

DstY1 = integer()

Mask = integer()

Filter = enum()

Copy a block of pixels from the read framebuffer to the draw framebuffer

gl:blitFramebuffer transfers a rectangle of pixel values from one region of the read framebuffer to another region in the draw framebuffer. Mask is the bitwise OR of a number of values indicating which buffers are to be copied. The values are ?GL_COLOR_BUFFER_BIT , ?GL_DEPTH_BUFFER_BIT, and ?GL_STENCIL_BUFFER_BIT. The pixels corresponding to these buffers are copied from the source rectangle bounded by the locations ( SrcX0 ; SrcY0 ) and ( SrcX1 ; SrcY1 ) to the destination rectangle bounded by the locations ( DstX0 ; DstY0 ) and ( DstX1 ; DstY1 ). The lower bounds of the rectangle are inclusive, while the upper bounds are exclusive.

See external documentation.

renderbufferStorageMultisample(Target, Samples, Internalformat, Width, Height) -> ok

Types

Target = enum()

Samples = integer()

Types

Program = integer()

UniformIndices = [integer()]

Pname = enum()

glGetActiveUniforms

See external documentation.

gl:copyBufferSubData copies part of the data store attached to Readtarget to the data store attached to Writetarget . The number of basic machine units indicated by Size is copied from the source, at offset Readoffset to the destination at Writeoffset , also in basic machine units.

See external documentation.

drawElementsBaseVertex(Mode, Count, Type, Indices, Basevertex) -> ok

Types

Mode = enum()

Count = integer()

Type = enum()

Indices = offset() | mem()

Basevertex = integer()

Render primitives from array data with a per-element offset

gl:drawElementsBaseVertex behaves identically to gl:drawElements/4 except that the ith element transferred by the corresponding draw call will be taken from element Indices [i] + Basevertex of each enabled array. If the resulting value is larger than the maximum value representable by Type , it is as if the calculation were upconverted to 32-bit unsigned integers (with wrapping on overflow conditions). The operation is undefined if the sum would be negative.

See external documentation.

drawRangeElementsBaseVertex(Mode, Start, End, Count, Type, Indices, Basevertex) -> ok

Types

Mode = enum()

Start = integer()

End = integer()

Count = integer()

Type = enum()

Indices = offset() | mem()

Basevertex = integer()

Render primitives from array data with a per-element offset

gl:drawRangeElementsBaseVertex is a restricted form of gl:drawElementsBaseVertex/5 . Mode , Start , End , Count and Basevertex match the corresponding arguments to gl:drawElementsBaseVertex/5 , with the additional constraint that all values in the array Indices must lie between Start and End , inclusive, prior to adding Basevertex . Index values lying outside the range [ Start , End ] are treated in the same way as gl:drawElementsBaseVertex/5 . The i th element transferred by the corresponding draw call will be taken from element Indices [i] + Basevertex of each enabled array. If the resulting value is larger than the maximum value representable by Type , it is as if the calculation were upconverted to 32-bit unsigned integers (with wrapping on overflow conditions). The operation is undefined if the sum would be negative.

See external documentation.

drawElementsInstancedBaseVertex(Mode, Count, Type, Indices, Primcount, Basevertex) -> ok

Types

Mode = enum()

Count = integer()

Type = enum()

Indices = offset() | mem()

Primcount = integer()

See external documentation.

waitSync(Sync, Flags, Timeout) -> ok

Types

Sync = integer()

Flags = integer()

Timeout = integer()

Instruct the GL server to block until the specified sync object becomes signaled

gl:waitSync causes the GL server to block and wait until Sync becomes signaled. Sync is the name of an existing sync object upon which to wait. Flags and Timeout are currently not used and must be set to zero and the special value ?GL_TIMEOUT_IGNORED , respectively

Flags and Timeout are placeholders for anticipated future extensions of sync object capabilities. They must have these reserved values in order that existing code calling gl:waitSync operate properly in the presence of such extensions.

See external documentation.

getInteger64v(Pname) -> [integer()]

Types

Pname = enum()

See getBooleanv/1

getSynciv(Sync, Pname, BufSize) -> [integer()]

Types

Sync = integer()

Pname = enum()

BufSize = integer()

Query the properties of a sync object

gl:getSynciv retrieves properties of a sync object. Sync specifies the name of the sync object whose properties to retrieve.

See external documentation.

texImage2DMultisample(Target, Samples, Internalformat, Width, Height, Fixedsamplelocations) -> ok

Types

Target = enum()

Samples = integer()

Internalformat = integer()

Width = integer()

Height = integer()

Fixedsamplelocations = 0 | 1

Establish the data storage, format, dimensions, and number of samples of a multisample texture's image

gl:texImage2DMultisample establishes the data storage, format, dimensions and number of samples of a multisample texture's image.

See external documentation.

texImage3DMultisample(Target, Samples, Internalformat, Width, Height, Depth, Fixedsamplelocations) -> ok

Types

Target = enum()

Samples = integer()

Internalformat = integer()

Width = integer()

Height = integer()

Program = integer()

ColorNumber = integer()

Index = integer()

Name = string()

glBindFragDataLocationIndexe

See external documentation.

getFragDataIndex(Program, Name) -> integer()

Types

Program = integer()

Types

Sampler = integer()

Pname = enum()

Types

Sampler = integer()

Pname = enum()

Return sampler parameter values

gl:getSamplerParameter returns in Params the value or values of the sampler parameter specified as Pname . Sampler defines the target sampler, and must be the name of an existing sampler object, returned from a previous call to gl:genSamplers/1 . Pname accepts the same symbols as gl:samplerParameteri/3 , with the same interpretations:

See external documentation.

getSamplerParameterIiv(Sampler, Pname) -> [integer()]

Types

Sampler = integer()

Pname = enum()

See getSamplerParameteriv/2

getSamplerParameterfv(Sampler, Pname) -> [float()]

Types

Sampler = integer()

Pname = enum()

See getSamplerParameteriv/2

getSamplerParameterIuiv(Sampler, Pname) -> [integer()]

Types

Sampler = integer()

Pname = enum()

glGetSamplerParameterI

See external documentation.

queryCounter(Id, Target) -> ok

Types

Id = integer()

Types

Mode = enum()

Type = enum()

Indirect = offset() | mem()

Render indexed primitives from array data, taking parameters from memory

gl:drawElementsIndirect specifies multiple indexed geometric primitives with very few subroutine calls. gl:drawElementsIndirect behaves similarly to gl:drawElementsInstancedBaseVertexBaseInstance/7 , execpt that the parameters to gl:drawElementsInstancedBaseVertexBaseInstance/7 are stored in memory at the address given by Indirect .

See external documentation.

uniform1d(Location, X) -> ok

Types

Location = integer()

X = float()

uniform2d(Location, X, Y) -> ok

Types

Location = integer()

X = float()

Y = float()

uniform3d(Location, X, Y, Z) -> ok

Types

Location = integer()

X = float()

Y = float()

Z = float()

uniform4d(Location, X, Y, Z, W) -> ok

Types

Location = integer()

X = float()

Y = float()

Index = integer()

Bufsize = integer()

Query the name of an active shader subroutine uniform

gl:getActiveSubroutineUniformName retrieves the name of an active shader subroutine uniform. Program contains the name of the program containing the uniform. Shadertype specifies the stage for which which the uniform location, given by Index , is valid. Index must be between zero and the value of ?GL_ACTIVE_SUBROUTINE_UNIFORMS minus one for the shader stage.

See external documentation.

getActiveSubroutineName(Program, Shadertype, Index, Bufsize) -> string()

Types

Program = integer()

Shadertype = enum()

Types

Pname = enum()

Value = integer()

Specifies the parameters for patch primitives

gl:patchParameter specifies the parameters that will be used for patch primitives. Pname specifies the parameter to modify and must be either ?GL_PATCH_VERTICES, ?GL_PATCH_DEFAULT_OUTER_LEVEL or ?GL_PATCH_DEFAULT_INNER_LEVEL. For gl:patchParameteri, Value specifies the new value for the parameter specified by Pname . For gl:patchParameterfv, Values specifies the address of an array containing the new values for the parameter specified by Pname .

See external documentation.

patchParameterfv(Pname, Values) -> ok

Types

Pname = enum()

Values = [float()]

See patchParameteri/2

bindTransformFeedback(Target, Id) -> ok

Types

Target = enum()

Id = integer()

Bind a transform feedback object

gl:bindTransformFeedback binds the transform feedback object with name Id to the current GL state. Id must be a name previously returned from a call to gl:genTransformFeedbacks/1 . If Id has not previously been bound, a new transform feedback object with name Id and initialized with with the default transform state vector is created.

See external documentation.

deleteTransformFeedbacks(Ids) -> ok

Types

Ids = [integer()]

Delete transform feedback objects

gl:deleteTransformFeedbacks deletes the N transform feedback objects whose names are stored in the array Ids . Unused names in Ids are ignored, as is the name zero. After a transform feedback object is deleted, its name is again unused and it has no contents. If an active transform feedback object is deleted, its name immediately becomes unused, but the underlying object is not deleted until it is no longer active.

See external documentation.

genTransformFeedbacks(N) -> [integer()]

Types

N = integer()

gl:resumeTransformFeedback resumes transform feedback operations on the currently active transform feedback object. When transform feedback operations are paused, transform feedback is still considered active and changing most transform feedback state related to the object results in an error. However, a new transform feedback object may be bound while transform feedback is paused.

See external documentation.

drawTransformFeedback(Mode, Id) -> ok

Types

Mode = enum()

Id = integer()

Render primitives using a count derived from a transform feedback object

gl:drawTransformFeedback draws primitives of a type specified by Mode using a count retrieved from the transform feedback specified by Id . Calling gl:drawTransformFeedback is equivalent to calling gl:drawArrays/3 with Mode as specified, First set to zero, and Count set to the number of vertices captured on vertex stream zero the last time transform feedback was active on the transform feedback object named by Id .

See external documentation.

drawTransformFeedbackStream(Mode, Id, Stream) -> ok

Types

Mode = enum()

Release resources consumed by the implementation's shader compiler

gl:releaseShaderCompiler provides a hint to the implementation that it may free internal resources associated with its shader compiler. gl:compileShader/1 may subsequently be called and the implementation may at that time reallocate resources previously freed by the call to gl:releaseShaderCompiler.

See external documentation.

shaderBinary(Shaders, Binaryformat, Binary) -> ok

Types

Shaders = [integer()]

Binaryformat = enum()

Binary = binary()

Load pre-compiled shader binaries

gl:shaderBinary loads pre-compiled shader binary code into the Count shader objects whose handles are given in Shaders . Binary points to Length bytes of binary shader code stored in client memory. BinaryFormat specifies the format of the pre-compiled code.

See external documentation.

getShaderPrecisionFormat(Shadertype, Precisiontype) -> {Range::{integer(), integer()}, Precision::integer()}

Types

Shadertype = enum()

Precisiontype = enum()

Types

Program = integer()

Location = integer()

programUniform4iv(Program, Location, Value) -> ok

Types

Program = integer()

Location = integer()

Value = [{integer(), integer(), integer(), integer()}]

programUniform4f(Program, Location, V0, V1, V2, V3) -> ok

Types

Program = integer()

Location = integer()

V0 = float()

V1 = float()

V2 = float()

V3 = float()

programUniform4fv(Program, Location, Value) -> ok

Types

Program = integer()

Location = integer()

Value = [{float(), float(), float(), float()}]

programUniform4d(Program, Location, V0, V1, V2, V3) -> ok

Types

Program = integer()

Location = integer()

V0 = float()

V1 = float()

V2 = float()

V3 = float()

programUniform4dv(Program, Location, Value) -> ok

Types

Program = integer()

Location = integer()

Value = [{float(), float(), float(), float()}]

programUniform4ui(Program, Location, V0, V1, V2, V3) -> ok

Types

Program = integer()

Location = integer()

V0 = integer()

V1 = integer()

V2 = integer()

V3 = integer()