module Graphics.Rendering.OpenGL.GL.Texturing.Specification (
TextureTarget(..), CubeMapTarget(..), Level, Border,
TexturePosition1D(..), TexturePosition2D(..), TexturePosition3D(..),
TextureSize1D(..), TextureSize2D(..), TextureSize3D(..),
texImage1D, texImage2D, texImage3D,
copyTexImage1D, copyTexImage2D,
texSubImage1D, texSubImage2D, texSubImage3D,
getTexImage,
copyTexSubImage1D, copyTexSubImage2D, copyTexSubImage3D,
CompressedTextureFormat(..), compressedTextureFormats,
CompressedPixelData(..),
compressedTexImage1D, compressedTexImage2D, compressedTexImage3D,
compressedTexSubImage1D, compressedTexSubImage2D, compressedTexSubImage3D,
getCompressedTexImage,
maxTextureSize
) where
import Data.StateVar
import Foreign.Marshal.Array
import Foreign.Ptr
import Graphics.Rendering.OpenGL.GL.CoordTrans
import Graphics.Rendering.OpenGL.GL.PixelData
import Graphics.Rendering.OpenGL.GL.PixelRectangles
import Graphics.Rendering.OpenGL.GL.QueryUtils
import Graphics.Rendering.OpenGL.GL.Texturing.PixelInternalFormat
import Graphics.Rendering.OpenGL.GL.Texturing.TextureTarget
import Graphics.Rendering.OpenGL.Raw.Core31
type Level = GLint
type Border = GLint
newtype TexturePosition1D = TexturePosition1D GLint
deriving ( Eq, Ord, Show )
data TexturePosition2D = TexturePosition2D !GLint !GLint
deriving ( Eq, Ord, Show )
data TexturePosition3D = TexturePosition3D !GLint !GLint !GLint
deriving ( Eq, Ord, Show )
newtype TextureSize1D = TextureSize1D GLsizei
deriving ( Eq, Ord, Show )
data TextureSize2D = TextureSize2D !GLsizei !GLsizei
deriving ( Eq, Ord, Show )
data TextureSize3D = TextureSize3D !GLsizei !GLsizei !GLsizei
deriving ( Eq, Ord, Show )
texImage1D :: Proxy -> Level -> PixelInternalFormat -> TextureSize1D -> Border -> PixelData a -> IO ()
texImage1D proxy level int (TextureSize1D w) border pd =
withPixelData pd $
glTexImage1D
(marshalProxyTextureTarget proxy Texture1D)
level (marshalPixelInternalFormat int) w border
texImage2D :: Maybe CubeMapTarget -> Proxy -> Level -> PixelInternalFormat -> TextureSize2D -> Border -> PixelData a -> IO ()
texImage2D mbCubeMap proxy level int (TextureSize2D w h) border pd =
withPixelData pd $
glTexImage2D
(maybe (marshalProxyTextureTarget proxy Texture2D)
(\c -> if proxy == Proxy then marshalProxyTextureTarget Proxy TextureCubeMap else marshalCubeMapTarget c)
mbCubeMap)
level (marshalPixelInternalFormat int) w h border
texImage3D :: Proxy -> Level -> PixelInternalFormat -> TextureSize3D -> Border -> PixelData a -> IO ()
texImage3D proxy level int (TextureSize3D w h d) border pd =
withPixelData pd $
glTexImage3D
(marshalProxyTextureTarget proxy Texture3D)
level (marshalPixelInternalFormat int) w h d border
getTexImage :: Either TextureTarget CubeMapTarget -> Level -> PixelData a -> IO ()
getTexImage t level pd =
withPixelData pd $
glGetTexImage (either marshalTextureTarget marshalCubeMapTarget t) level
copyTexImage1D :: Level -> PixelInternalFormat -> Position -> TextureSize1D -> Border -> IO ()
copyTexImage1D level int (Position x y) (TextureSize1D w) border =
glCopyTexImage1D
(marshalTextureTarget Texture1D) level
(marshalPixelInternalFormat' int) x y w border
copyTexImage2D :: Maybe CubeMapTarget -> Level -> PixelInternalFormat -> Position -> TextureSize2D -> Border -> IO ()
copyTexImage2D mbCubeMap level int (Position x y) (TextureSize2D w h) border =
glCopyTexImage2D
(maybe (marshalTextureTarget Texture2D) marshalCubeMapTarget mbCubeMap) level
(marshalPixelInternalFormat' int) x y w h border
texSubImage1D :: Level -> TexturePosition1D -> TextureSize1D -> PixelData a -> IO ()
texSubImage1D level (TexturePosition1D xOff) (TextureSize1D w) pd =
withPixelData pd $
glTexSubImage1D (marshalTextureTarget Texture1D) level xOff w
texSubImage2D :: Maybe CubeMapTarget -> Level -> TexturePosition2D -> TextureSize2D -> PixelData a -> IO ()
texSubImage2D mbCubeMap level (TexturePosition2D xOff yOff) (TextureSize2D w h) pd =
withPixelData pd $
glTexSubImage2D (maybe (marshalTextureTarget Texture2D) marshalCubeMapTarget mbCubeMap) level xOff yOff w h
texSubImage3D :: Level -> TexturePosition3D -> TextureSize3D -> PixelData a -> IO ()
texSubImage3D level (TexturePosition3D xOff yOff zOff) (TextureSize3D w h d) pd =
withPixelData pd $
glTexSubImage3D (marshalTextureTarget Texture3D) level xOff yOff zOff w h d
copyTexSubImage1D :: Level -> TexturePosition1D -> Position -> TextureSize1D -> IO ()
copyTexSubImage1D level (TexturePosition1D xOff) (Position x y) (TextureSize1D w) =
glCopyTexSubImage1D (marshalTextureTarget Texture1D) level xOff x y w
copyTexSubImage2D :: Maybe CubeMapTarget -> Level -> TexturePosition2D -> Position -> TextureSize2D -> IO ()
copyTexSubImage2D mbCubeMap level (TexturePosition2D xOff yOff) (Position x y) (TextureSize2D w h) =
glCopyTexSubImage2D (maybe (marshalTextureTarget Texture2D) marshalCubeMapTarget mbCubeMap) level xOff yOff x y w h
copyTexSubImage3D :: Level -> TexturePosition3D -> Position -> TextureSize2D -> IO ()
copyTexSubImage3D level (TexturePosition3D xOff yOff zOff) (Position x y) (TextureSize2D w h) =
glCopyTexSubImage3D (marshalTextureTarget Texture3D) level xOff yOff zOff x y w h
newtype CompressedTextureFormat = CompressedTextureFormat GLenum
deriving ( Eq, Ord, Show )
compressedTextureFormats :: GettableStateVar [CompressedTextureFormat]
compressedTextureFormats =
makeGettableStateVar $ do
n <- getInteger1 fromIntegral GetNumCompressedTextureFormats
allocaArray n $ \buf -> do
getIntegerv GetCompressedTextureFormats buf
fmap (map (CompressedTextureFormat . fromIntegral)) $ peekArray n buf
data CompressedPixelData a =
CompressedPixelData !CompressedTextureFormat GLsizei (Ptr a)
deriving ( Eq, Ord, Show )
withCompressedPixelData ::
CompressedPixelData a -> (GLenum -> GLsizei -> Ptr a -> b) -> b
withCompressedPixelData
(CompressedPixelData (CompressedTextureFormat fmt) size ptr) f =
f fmt size ptr
compressedTexImage1D :: Proxy -> Level -> TextureSize1D -> Border -> CompressedPixelData a -> IO ()
compressedTexImage1D proxy level (TextureSize1D w) border cpd =
withCompressedPixelData cpd $ \fmt ->
glCompressedTexImage1D
(marshalProxyTextureTarget proxy Texture1D) level fmt w border
compressedTexImage2D :: Maybe CubeMapTarget -> Proxy -> Level -> TextureSize2D -> Border -> CompressedPixelData a -> IO ()
compressedTexImage2D mbCubeMap proxy level (TextureSize2D w h) border cpd =
withCompressedPixelData cpd $ \fmt ->
glCompressedTexImage2D
(maybe (marshalProxyTextureTarget proxy Texture2D)
(\c -> if proxy == Proxy then marshalProxyTextureTarget Proxy TextureCubeMap else marshalCubeMapTarget c)
mbCubeMap)
level fmt w h border
compressedTexImage3D :: Proxy -> Level -> TextureSize3D -> Border -> CompressedPixelData a -> IO ()
compressedTexImage3D proxy level (TextureSize3D w h d) border cpd =
withCompressedPixelData cpd $ \fmt ->
glCompressedTexImage3D
(marshalProxyTextureTarget proxy Texture3D) level fmt w h d border
getCompressedTexImage :: Either TextureTarget CubeMapTarget -> Level -> Ptr a -> IO ()
getCompressedTexImage = glGetCompressedTexImage . either marshalTextureTarget marshalCubeMapTarget
compressedTexSubImage1D :: Level -> TexturePosition1D -> TextureSize1D -> CompressedPixelData a -> IO ()
compressedTexSubImage1D level (TexturePosition1D xOff) (TextureSize1D w) cpd =
withCompressedPixelData cpd $
glCompressedTexSubImage1D (marshalTextureTarget Texture1D) level xOff w
compressedTexSubImage2D :: Maybe CubeMapTarget -> Level -> TexturePosition2D -> TextureSize2D -> CompressedPixelData a -> IO ()
compressedTexSubImage2D mbCubeMap level (TexturePosition2D xOff yOff) (TextureSize2D w h) cpd =
withCompressedPixelData cpd $
glCompressedTexSubImage2D (maybe (marshalTextureTarget Texture2D) marshalCubeMapTarget mbCubeMap) level xOff yOff w h
compressedTexSubImage3D :: Level -> TexturePosition3D -> TextureSize3D -> CompressedPixelData a -> IO ()
compressedTexSubImage3D level (TexturePosition3D xOff yOff zOff) (TextureSize3D w h d) cpd =
withCompressedPixelData cpd $
glCompressedTexSubImage3D (marshalTextureTarget Texture3D) level xOff yOff zOff w h d
maxTextureSize :: TextureTarget -> GettableStateVar GLsizei
maxTextureSize = makeGettableStateVar . getInteger1 fromIntegral . textureTargetToMaxQuery
textureTargetToMaxQuery :: TextureTarget -> GetPName
textureTargetToMaxQuery x = case x of
Texture1D -> GetMaxTextureSize
Texture2D -> GetMaxTextureSize
Texture3D -> GetMax3DTextureSize
TextureCubeMap -> GetMaxCubeMapTextureSize
TextureRectangle -> GetMaxRectangleTextureSize