HOpenGL Libraries (OpenGL package) Source code Contents Index

Graphics.Rendering.OpenGL.GL.VertexArrays Portability portable Stability stable Maintainer sven.panne@aedion.de

Contents Describing Data for the Arrays Specifying Data for the Arrays Enabling Arrays Dereferencing and Rendering

Description

This module corresponds to section 2.8 (Vertex Arrays) of the OpenGL 2.1 specs.

Synopsis

type NumComponents = GLint data DataType = Byte | UnsignedByte | Short | UnsignedShort | Int | UnsignedInt | Float | TwoBytes | ThreeBytes | FourBytes | Double | Bitmap | UnsignedByte332 | UnsignedShort4444 | UnsignedShort5551 | UnsignedInt8888 | UnsignedInt1010102 | UnsignedByte233Rev | UnsignedShort565 | UnsignedShort565Rev | UnsignedShort4444Rev | UnsignedShort1555Rev | UnsignedInt8888Rev | UnsignedInt2101010Rev | UnsignedShort88 | UnsignedShort88Rev | UnsignedInt248 type Stride = GLsizei data VertexArrayDescriptor a = VertexArrayDescriptor !NumComponents !DataType !Stride !(Ptr a) data ClientArrayType = VertexArray | NormalArray | ColorArray | IndexArray | TextureCoordArray | EdgeFlagArray | FogCoordArray | SecondaryColorArray | MatrixIndexArray arrayPointer :: ClientArrayType -> StateVar (VertexArrayDescriptor a) data InterleavedArrays = V2f | V3f | C4ubV2f | C4ubV3f | C3fV3f | N3fV3f | C4fN3fV3f | T2fV3f | T4fV4f | T2fC4ubV3f | T2fC3fV3f | T2fN3fV3f | T2fC4fN3fV3f | T4fC4fN3fV4f interleavedArrays :: InterleavedArrays -> Stride -> Ptr a -> IO () clientState :: ClientArrayType -> StateVar Capability clientActiveTexture :: StateVar TextureUnit type ArrayIndex = GLint type NumArrayIndices = GLsizei type NumIndexBlocks = GLsizei arrayElement :: ArrayIndex -> IO () drawArrays :: PrimitiveMode -> ArrayIndex -> NumArrayIndices -> IO () multiDrawArrays :: PrimitiveMode -> Ptr ArrayIndex -> Ptr NumArrayIndices -> NumIndexBlocks -> IO () drawElements :: PrimitiveMode -> NumArrayIndices -> DataType -> Ptr a -> IO () multiDrawElements :: PrimitiveMode -> Ptr NumArrayIndices -> DataType -> Ptr (Ptr a) -> NumIndexBlocks -> IO () drawRangeElements :: PrimitiveMode -> (ArrayIndex, ArrayIndex) -> NumArrayIndices -> DataType -> Ptr a -> IO () maxElementsVertices :: GettableStateVar NumArrayIndices maxElementsIndices :: GettableStateVar NumArrayIndices lockArrays :: StateVar (Maybe (ArrayIndex, NumArrayIndices)) primitiveRestartIndex :: StateVar (Maybe ArrayIndex)

Describing Data for the Arrays

type NumComponents = GLint

data DataType

Constructors Byte UnsignedByte Short UnsignedShort Int UnsignedInt Float TwoBytes ThreeBytes FourBytes Double Bitmap UnsignedByte332 UnsignedShort4444 UnsignedShort5551 UnsignedInt8888 UnsignedInt1010102 UnsignedByte233Rev UnsignedShort565 UnsignedShort565Rev UnsignedShort4444Rev UnsignedShort1555Rev UnsignedInt8888Rev UnsignedInt2101010Rev UnsignedShort88 UnsignedShort88Rev UnsignedInt248 Instances Eq DataType Ord DataType Show DataType

type Stride = GLsizei

data VertexArrayDescriptor a

Constructors VertexArrayDescriptor !NumComponents !DataType !Stride !(Ptr a) Instances Eq (VertexArrayDescriptor a) Ord (VertexArrayDescriptor a) Show (VertexArrayDescriptor a)

Specifying Data for the Arrays

data ClientArrayType

Constructors VertexArray NormalArray ColorArray IndexArray TextureCoordArray EdgeFlagArray FogCoordArray SecondaryColorArray MatrixIndexArray Instances Eq ClientArrayType Ord ClientArrayType Show ClientArrayType

arrayPointer :: ClientArrayType -> StateVar (VertexArrayDescriptor a)

data InterleavedArrays

Constructors V2f V3f C4ubV2f C4ubV3f C3fV3f N3fV3f C4fN3fV3f T2fV3f T4fV4f T2fC4ubV3f T2fC3fV3f T2fN3fV3f T2fC4fN3fV3f T4fC4fN3fV4f Instances Eq InterleavedArrays Ord InterleavedArrays Show InterleavedArrays

interleavedArrays :: InterleavedArrays -> Stride -> Ptr a -> IO ()

Enabling Arrays

clientState :: ClientArrayType -> StateVar Capability

clientActiveTexture :: StateVar TextureUnit

Dereferencing and Rendering

type ArrayIndex = GLint

type NumArrayIndices = GLsizei

type NumIndexBlocks = GLsizei

arrayElement :: ArrayIndex -> IO ()

drawArrays :: PrimitiveMode -> ArrayIndex -> NumArrayIndices -> IO ()

multiDrawArrays :: PrimitiveMode -> Ptr ArrayIndex -> Ptr NumArrayIndices -> NumIndexBlocks -> IO ()

drawElements :: PrimitiveMode -> NumArrayIndices -> DataType -> Ptr a -> IO ()

multiDrawElements :: PrimitiveMode -> Ptr NumArrayIndices -> DataType -> Ptr (Ptr a) -> NumIndexBlocks -> IO ()

drawRangeElements :: PrimitiveMode -> (ArrayIndex, ArrayIndex) -> NumArrayIndices -> DataType -> Ptr a -> IO ()

maxElementsVertices :: GettableStateVar NumArrayIndices

maxElementsIndices :: GettableStateVar NumArrayIndices

lockArrays :: StateVar (Maybe (ArrayIndex, NumArrayIndices))

primitiveRestartIndex :: StateVar (Maybe ArrayIndex)

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