--------------------------------------------------------------------------------
-- |
-- Module      :  Graphics.Rendering.OpenGL.GL.Texturing.Queries
-- Copyright   :  (c) Sven Panne 2002-2019
-- License     :  BSD3
--
-- Maintainer  :  Sven Panne <svenpanne@gmail.com>
-- Stability   :  stable
-- Portability :  portable
--
-- This module offers various texture queries.
--
--------------------------------------------------------------------------------

module Graphics.Rendering.OpenGL.GL.Texturing.Queries (
   TextureQuery, textureInternalFormat, textureSize1D, textureSize2D,
   textureSize3D, textureBorder, textureRGBASizes, textureSharedSize,
   textureIntensitySize, textureLuminanceSize, textureIndexSize,
   textureDepthBits, textureCompressedImageSize, textureProxyOK,
   DataRepresentation(..), textureRGBATypes, textureIntensityType,
   textureLuminanceType, textureDepthType
) where

import Control.Monad
import Data.StateVar
import Foreign.Marshal.Utils
import Graphics.Rendering.OpenGL.GL.DataType
import Graphics.Rendering.OpenGL.GL.GLboolean
import Graphics.Rendering.OpenGL.GL.PeekPoke
import Graphics.Rendering.OpenGL.GL.PixelRectangles
import Graphics.Rendering.OpenGL.GL.Texturing.PixelInternalFormat
import Graphics.Rendering.OpenGL.GL.Texturing.Specification
import Graphics.Rendering.OpenGL.GL.Texturing.TextureTarget
import Graphics.Rendering.OpenGL.GL.VertexSpec
import Graphics.GL

--------------------------------------------------------------------------------

data TexLevelParameter =
     TextureInternalFormat
   | TextureWidth
   | TextureHeight
   | TextureDepth
   | TextureBorder
   | TextureRedSize
   | TextureGreenSize
   | TextureBlueSize
   | TextureAlphaSize
   | TextureIntensitySize
   | TextureLuminanceSize
   | TextureIndexSize
   | DepthBits
   | TextureCompressedImageSize
   | TextureCompressed
   | TextureSharedSize
   | TextureRedType
   | TextureGreenType
   | TextureBlueType
   | TextureAlphaType
   | TextureLuminanceType
   | TextureIntensityType
   | TextureDepthType

marshalTexLevelParameter :: TexLevelParameter -> GLenum
marshalTexLevelParameter :: TexLevelParameter -> GLenum
marshalTexLevelParameter TexLevelParameter
x = case TexLevelParameter
x of
   TexLevelParameter
TextureInternalFormat -> GLenum
GL_TEXTURE_INTERNAL_FORMAT
   TexLevelParameter
TextureWidth -> GLenum
GL_TEXTURE_WIDTH
   TexLevelParameter
TextureHeight -> GLenum
GL_TEXTURE_HEIGHT
   TexLevelParameter
TextureDepth -> GLenum
GL_TEXTURE_DEPTH
   TexLevelParameter
TextureBorder -> GLenum
GL_TEXTURE_BORDER
   TexLevelParameter
TextureRedSize -> GLenum
GL_TEXTURE_RED_SIZE
   TexLevelParameter
TextureGreenSize -> GLenum
GL_TEXTURE_GREEN_SIZE
   TexLevelParameter
TextureBlueSize -> GLenum
GL_TEXTURE_BLUE_SIZE
   TexLevelParameter
TextureAlphaSize -> GLenum
GL_TEXTURE_ALPHA_SIZE
   TexLevelParameter
TextureIntensitySize -> GLenum
GL_TEXTURE_INTENSITY_SIZE
   TexLevelParameter
TextureLuminanceSize -> GLenum
GL_TEXTURE_LUMINANCE_SIZE
   TexLevelParameter
TextureIndexSize -> GLenum
GL_TEXTURE_INDEX_SIZE_EXT
   TexLevelParameter
DepthBits -> GLenum
GL_DEPTH_BITS
   TexLevelParameter
TextureCompressedImageSize -> GLenum
GL_TEXTURE_COMPRESSED_IMAGE_SIZE
   TexLevelParameter
TextureCompressed -> GLenum
GL_TEXTURE_COMPRESSED
   TexLevelParameter
TextureSharedSize -> GLenum
GL_TEXTURE_SHARED_SIZE
   TexLevelParameter
TextureRedType -> GLenum
GL_TEXTURE_RED_TYPE_ARB
   TexLevelParameter
TextureGreenType -> GLenum
GL_TEXTURE_GREEN_TYPE_ARB
   TexLevelParameter
TextureBlueType -> GLenum
GL_TEXTURE_BLUE_TYPE_ARB
   TexLevelParameter
TextureAlphaType -> GLenum
GL_TEXTURE_ALPHA_TYPE_ARB
   TexLevelParameter
TextureLuminanceType -> GLenum
GL_TEXTURE_LUMINANCE_TYPE_ARB
   TexLevelParameter
TextureIntensityType -> GLenum
GL_TEXTURE_INTENSITY_TYPE_ARB
   TexLevelParameter
TextureDepthType -> GLenum
GL_TEXTURE_DEPTH_TYPE_ARB

--------------------------------------------------------------------------------

type TextureQuery t a = t -> Level -> GettableStateVar a

textureInternalFormat :: QueryableTextureTarget t => TextureQuery t PixelInternalFormat
textureInternalFormat :: TextureQuery t PixelInternalFormat
textureInternalFormat t
t Level
level =
   IO PixelInternalFormat -> IO PixelInternalFormat
forall a. IO a -> IO a
makeGettableStateVar (IO PixelInternalFormat -> IO PixelInternalFormat)
-> IO PixelInternalFormat -> IO PixelInternalFormat
forall a b. (a -> b) -> a -> b
$
      (Level -> PixelInternalFormat)
-> t -> Level -> TexLevelParameter -> IO PixelInternalFormat
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> PixelInternalFormat
unmarshalPixelInternalFormat t
t Level
level TexLevelParameter
TextureInternalFormat

textureSize1D :: TextureQuery TextureTarget1D TextureSize1D
textureSize1D :: TextureQuery TextureTarget1D TextureSize1D
textureSize1D TextureTarget1D
t Level
level =
   IO TextureSize1D -> IO TextureSize1D
forall a. IO a -> IO a
makeGettableStateVar (IO TextureSize1D -> IO TextureSize1D)
-> IO TextureSize1D -> IO TextureSize1D
forall a b. (a -> b) -> a -> b
$
      (Level -> TextureSize1D) -> IO Level -> IO TextureSize1D
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM Level -> TextureSize1D
TextureSize1D
            ((Level -> Level)
-> TextureTarget1D -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral TextureTarget1D
t Level
level TexLevelParameter
TextureWidth)

textureSize2D :: TextureQuery TextureTarget2D TextureSize2D
textureSize2D :: TextureQuery TextureTarget2D TextureSize2D
textureSize2D TextureTarget2D
t Level
level =
   IO TextureSize2D -> IO TextureSize2D
forall a. IO a -> IO a
makeGettableStateVar (IO TextureSize2D -> IO TextureSize2D)
-> IO TextureSize2D -> IO TextureSize2D
forall a b. (a -> b) -> a -> b
$
      (Level -> Level -> TextureSize2D)
-> IO Level -> IO Level -> IO TextureSize2D
forall (m :: * -> *) a1 a2 r.
Monad m =>
(a1 -> a2 -> r) -> m a1 -> m a2 -> m r
liftM2 Level -> Level -> TextureSize2D
TextureSize2D
             ((Level -> Level)
-> TextureTarget2D -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral TextureTarget2D
t Level
level TexLevelParameter
TextureWidth )
             ((Level -> Level)
-> TextureTarget2D -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral TextureTarget2D
t Level
level TexLevelParameter
TextureHeight)

textureSize3D :: TextureQuery TextureTarget3D TextureSize3D
textureSize3D :: TextureQuery TextureTarget3D TextureSize3D
textureSize3D TextureTarget3D
t Level
level =
   IO TextureSize3D -> IO TextureSize3D
forall a. IO a -> IO a
makeGettableStateVar (IO TextureSize3D -> IO TextureSize3D)
-> IO TextureSize3D -> IO TextureSize3D
forall a b. (a -> b) -> a -> b
$
      (Level -> Level -> Level -> TextureSize3D)
-> IO Level -> IO Level -> IO Level -> IO TextureSize3D
forall (m :: * -> *) a1 a2 a3 r.
Monad m =>
(a1 -> a2 -> a3 -> r) -> m a1 -> m a2 -> m a3 -> m r
liftM3 Level -> Level -> Level -> TextureSize3D
TextureSize3D
             ((Level -> Level)
-> TextureTarget3D -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral TextureTarget3D
t Level
level TexLevelParameter
TextureWidth )
             ((Level -> Level)
-> TextureTarget3D -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral TextureTarget3D
t Level
level TexLevelParameter
TextureHeight)
             ((Level -> Level)
-> TextureTarget3D -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral TextureTarget3D
t Level
level TexLevelParameter
TextureDepth )

textureBorder :: QueryableTextureTarget t => TextureQuery t Border
textureBorder :: TextureQuery t Level
textureBorder t
t Level
level =
   IO Level -> IO Level
forall a. IO a -> IO a
makeGettableStateVar (IO Level -> IO Level) -> IO Level -> IO Level
forall a b. (a -> b) -> a -> b
$
      (Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureBorder

textureRGBASizes :: QueryableTextureTarget t =>  TextureQuery t (Color4 GLsizei)
textureRGBASizes :: TextureQuery t (Color4 Level)
textureRGBASizes t
t Level
level =
   IO (Color4 Level) -> IO (Color4 Level)
forall a. IO a -> IO a
makeGettableStateVar (IO (Color4 Level) -> IO (Color4 Level))
-> IO (Color4 Level) -> IO (Color4 Level)
forall a b. (a -> b) -> a -> b
$
      (Level -> Level -> Level -> Level -> Color4 Level)
-> IO Level
-> IO Level
-> IO Level
-> IO Level
-> IO (Color4 Level)
forall (m :: * -> *) a1 a2 a3 a4 r.
Monad m =>
(a1 -> a2 -> a3 -> a4 -> r) -> m a1 -> m a2 -> m a3 -> m a4 -> m r
liftM4 Level -> Level -> Level -> Level -> Color4 Level
forall a. a -> a -> a -> a -> Color4 a
Color4
             ((Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureRedSize  )
             ((Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureGreenSize)
             ((Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureBlueSize )
             ((Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureAlphaSize)

textureSharedSize :: QueryableTextureTarget t =>  TextureQuery t GLsizei
textureSharedSize :: TextureQuery t Level
textureSharedSize t
t Level
level =
   IO Level -> IO Level
forall a. IO a -> IO a
makeGettableStateVar (IO Level -> IO Level) -> IO Level -> IO Level
forall a b. (a -> b) -> a -> b
$
      (Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureSharedSize

textureIntensitySize :: QueryableTextureTarget t => TextureQuery t GLsizei
textureIntensitySize :: TextureQuery t Level
textureIntensitySize t
t Level
level =
   IO Level -> IO Level
forall a. IO a -> IO a
makeGettableStateVar (IO Level -> IO Level) -> IO Level -> IO Level
forall a b. (a -> b) -> a -> b
$
      (Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureIntensitySize

textureLuminanceSize :: QueryableTextureTarget t =>  TextureQuery t GLsizei
textureLuminanceSize :: TextureQuery t Level
textureLuminanceSize t
t Level
level =
   IO Level -> IO Level
forall a. IO a -> IO a
makeGettableStateVar (IO Level -> IO Level) -> IO Level -> IO Level
forall a b. (a -> b) -> a -> b
$
      (Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureLuminanceSize

textureIndexSize :: QueryableTextureTarget t => TextureQuery t GLsizei
textureIndexSize :: TextureQuery t Level
textureIndexSize t
t Level
level =
   IO Level -> IO Level
forall a. IO a -> IO a
makeGettableStateVar (IO Level -> IO Level) -> IO Level -> IO Level
forall a b. (a -> b) -> a -> b
$
      (Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
TextureIndexSize

textureDepthBits :: QueryableTextureTarget t => TextureQuery t GLsizei
textureDepthBits :: TextureQuery t Level
textureDepthBits t
t Level
level =
   IO Level -> IO Level
forall a. IO a -> IO a
makeGettableStateVar (IO Level -> IO Level) -> IO Level -> IO Level
forall a b. (a -> b) -> a -> b
$
      (Level -> Level) -> t -> Level -> TexLevelParameter -> IO Level
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral t
t Level
level TexLevelParameter
DepthBits

textureCompressedImageSize :: QueryableTextureTarget t => TextureQuery t (Maybe GLsizei)
textureCompressedImageSize :: TextureQuery t (Maybe Level)
textureCompressedImageSize t
t Level
level =
   IO (Maybe Level) -> IO (Maybe Level)
forall a. IO a -> IO a
makeGettableStateVar (IO (Maybe Level) -> IO (Maybe Level))
-> IO (Maybe Level) -> IO (Maybe Level)
forall a b. (a -> b) -> a -> b
$ do
      Bool
isCompressed <- (Level -> Bool) -> t -> Level -> TexLevelParameter -> IO Bool
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> Bool
forall a. (Eq a, Num a) => a -> Bool
unmarshalGLboolean t
t Level
level TexLevelParameter
TextureCompressed
      if Bool
isCompressed
         then (Level -> Maybe Level)
-> t -> Level -> TexLevelParameter -> IO (Maybe Level)
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy (Level -> Maybe Level
forall a. a -> Maybe a
Just (Level -> Maybe Level) -> (Level -> Level) -> Level -> Maybe Level
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Level -> Level
forall a b. (Integral a, Num b) => a -> b
fromIntegral) t
t Level
level TexLevelParameter
TextureCompressedImageSize
         else Maybe Level -> IO (Maybe Level)
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe Level
forall a. Maybe a
Nothing

textureProxyOK :: ParameterizedTextureTarget t => TextureQuery t Bool
textureProxyOK :: TextureQuery t Bool
textureProxyOK t
t Level
level =
   IO Bool -> IO Bool
forall a. IO a -> IO a
makeGettableStateVar (IO Bool -> IO Bool) -> IO Bool -> IO Bool
forall a b. (a -> b) -> a -> b
$
      (Level -> Bool) -> GLenum -> Level -> TexLevelParameter -> IO Bool
forall a.
(Level -> a) -> GLenum -> Level -> TexLevelParameter -> IO a
getTexLevelParameteri Level -> Bool
forall a. (Eq a, Num a) => a -> Bool
unmarshalGLboolean (t -> GLenum
forall t. ParameterizedTextureTarget t => t -> GLenum
marshalParameterizedTextureTargetProxy t
t) Level
level TexLevelParameter
TextureWidth

textureRGBATypes :: QueryableTextureTarget t =>  TextureQuery t (Color4 (Maybe DataRepresentation))
textureRGBATypes :: TextureQuery t (Color4 (Maybe DataRepresentation))
textureRGBATypes t
t Level
level =
   IO (Color4 (Maybe DataRepresentation))
-> IO (Color4 (Maybe DataRepresentation))
forall a. IO a -> IO a
makeGettableStateVar (IO (Color4 (Maybe DataRepresentation))
 -> IO (Color4 (Maybe DataRepresentation)))
-> IO (Color4 (Maybe DataRepresentation))
-> IO (Color4 (Maybe DataRepresentation))
forall a b. (a -> b) -> a -> b
$
      (Maybe DataRepresentation
 -> Maybe DataRepresentation
 -> Maybe DataRepresentation
 -> Maybe DataRepresentation
 -> Color4 (Maybe DataRepresentation))
-> IO (Maybe DataRepresentation)
-> IO (Maybe DataRepresentation)
-> IO (Maybe DataRepresentation)
-> IO (Maybe DataRepresentation)
-> IO (Color4 (Maybe DataRepresentation))
forall (m :: * -> *) a1 a2 a3 a4 r.
Monad m =>
(a1 -> a2 -> a3 -> a4 -> r) -> m a1 -> m a2 -> m a3 -> m a4 -> m r
liftM4 Maybe DataRepresentation
-> Maybe DataRepresentation
-> Maybe DataRepresentation
-> Maybe DataRepresentation
-> Color4 (Maybe DataRepresentation)
forall a. a -> a -> a -> a -> Color4 a
Color4
             (t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureRedType  )
             (t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureGreenType)
             (t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureBlueType )
             (t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureAlphaType)

getDataRepr :: QueryableTextureTarget t => t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr :: t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr = (Level -> Maybe DataRepresentation)
-> t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t a.
QueryableTextureTarget t =>
(Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy (GLenum -> Maybe DataRepresentation
unmarshalDataRepresentation (GLenum -> Maybe DataRepresentation)
-> (Level -> GLenum) -> Level -> Maybe DataRepresentation
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Level -> GLenum
forall a b. (Integral a, Num b) => a -> b
fromIntegral)

textureIntensityType :: QueryableTextureTarget t => TextureQuery t (Maybe DataRepresentation)
textureIntensityType :: TextureQuery t (Maybe DataRepresentation)
textureIntensityType t
t Level
level = IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation)
forall a. IO a -> IO a
makeGettableStateVar (IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation))
-> IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation)
forall a b. (a -> b) -> a -> b
$ t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureIntensityType

textureLuminanceType :: QueryableTextureTarget t =>  TextureQuery t (Maybe DataRepresentation)
textureLuminanceType :: TextureQuery t (Maybe DataRepresentation)
textureLuminanceType t
t Level
level = IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation)
forall a. IO a -> IO a
makeGettableStateVar (IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation))
-> IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation)
forall a b. (a -> b) -> a -> b
$ t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureLuminanceType

textureDepthType :: QueryableTextureTarget t =>  TextureQuery t (Maybe DataRepresentation)
textureDepthType :: TextureQuery t (Maybe DataRepresentation)
textureDepthType t
t Level
level = IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation)
forall a. IO a -> IO a
makeGettableStateVar (IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation))
-> IO (Maybe DataRepresentation) -> IO (Maybe DataRepresentation)
forall a b. (a -> b) -> a -> b
$ t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
forall t.
QueryableTextureTarget t =>
t -> Level -> TexLevelParameter -> IO (Maybe DataRepresentation)
getDataRepr t
t Level
level TexLevelParameter
TextureDepthType

getTexLevelParameteriNoProxy :: QueryableTextureTarget t => (GLint -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy :: (Level -> a) -> t -> Level -> TexLevelParameter -> IO a
getTexLevelParameteriNoProxy Level -> a
f = (Level -> a) -> GLenum -> Level -> TexLevelParameter -> IO a
forall a.
(Level -> a) -> GLenum -> Level -> TexLevelParameter -> IO a
getTexLevelParameteri Level -> a
f (GLenum -> Level -> TexLevelParameter -> IO a)
-> (t -> GLenum) -> t -> Level -> TexLevelParameter -> IO a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. t -> GLenum
forall t. QueryableTextureTarget t => t -> GLenum
marshalQueryableTextureTarget

getTexLevelParameteri :: (GLint -> a) -> GLenum -> Level -> TexLevelParameter -> IO a
getTexLevelParameteri :: (Level -> a) -> GLenum -> Level -> TexLevelParameter -> IO a
getTexLevelParameteri Level -> a
f GLenum
t Level
level TexLevelParameter
p =
   Level -> (Ptr Level -> IO a) -> IO a
forall a b. Storable a => a -> (Ptr a -> IO b) -> IO b
with Level
0 ((Ptr Level -> IO a) -> IO a) -> (Ptr Level -> IO a) -> IO a
forall a b. (a -> b) -> a -> b
$ \Ptr Level
buf -> do
      GLenum -> Level -> GLenum -> Ptr Level -> IO ()
forall (m :: * -> *).
MonadIO m =>
GLenum -> Level -> GLenum -> Ptr Level -> m ()
glGetTexLevelParameteriv GLenum
t Level
level (TexLevelParameter -> GLenum
marshalTexLevelParameter TexLevelParameter
p) Ptr Level
buf
      (Level -> a) -> Ptr Level -> IO a
forall a b. Storable a => (a -> b) -> Ptr a -> IO b
peek1 Level -> a
f Ptr Level
buf