Graphics.GLUtil.Textures

Utilities for loading texture data.

Documentation

data TexColor

Pixel format of image data.

Constructors

TexMono

TexRGB

TexBGR

TexRGBA

data TexInfo a

A basic texture information record.

Constructors

TexInfo

Fields

texWidth :: GLsizei

texHeight :: GLsizei

texColor :: TexColor

texData :: a

texInfo :: Int -> Int -> TexColor -> a -> TexInfo a

Helper for constructing a TexInfo using Haskell Ints for image dimensions.

class HasGLType (Elem a) => IsPixelData a where

Class for containers of texture data.

Associated Types

type Elem a

Methods

withPixels :: a -> (Ptr (Elem a) -> IO c) -> IO c

Instances

IsPixelData ByteString

IsPixelData ShortString

HasGLType b => IsPixelData [b]

HasGLType b => IsPixelData (Ptr b)

HasGLType b => IsPixelData (ForeignPtr b)

HasGLType b => IsPixelData (Vector b)

HasGLType b => IsPixelData (StorableArray i b)

newtype ShortString

Wrapper whose IsPixelData instance treats the pointer underlying a ByteString as an array of Word16s.

Constructors

ShortString ByteString

Instances

IsPixelData ShortString

loadTexture :: IsPixelData a => TexInfo a -> IO TextureObject

Create a new 2D texture with data from a TexInfo.

reloadTexture :: forall a. IsPixelData a => TextureObject -> TexInfo a -> IO ()

Replace a 2D texture's pixel data with data from a TexInfo.

texture2DWrap :: StateVar (Repetition, Clamping)

Set texture coordinate wrapping options for both the S and T dimensions of a 2D texture.

texture3DWrap :: StateVar (Repetition, Clamping)

Set texture coordinate wrapping options for the S, T, and R dimensions of a 3D texture.

withTextures :: TextureTarget -> [TextureObject] -> IO a -> IO a

Bind each of the given textures to successive texture units at the given TextureTarget.

withTextures2D :: [TextureObject] -> IO a -> IO a

Bind each of the given 2D textures to successive texture units.

generateMipmap' :: TextureTarget -> IO ()

Generate a complete set of mipmaps for the currently bound texture object.