Copyright	(c) Sven Panne 2002-2019
License	BSD3
Maintainer	Sven Panne <svenpanne@gmail.com>
Stability	stable
Portability	portable
Safe Haskell	None
Language	Haskell2010

Graphics.Rendering.OpenGL.GL.Evaluators

Contents

Evaluator-related Types
Defining Evaluator Maps
- One-dimensional Evaluator Maps
- Two-dimensional Evaluator Maps
Using Evaluator Maps
- Evaluating an Arbitrary Coordinate Value
- Using Evenly Spaced Coordinate Values
Normal Generation

Description

This module corresponds to section 5.1 (Evaluators) of the OpenGL 2.1 specs.

Synopsis

type Order = GLint
maxOrder :: GettableStateVar Order
class Storable d => Domain d
data MapDescriptor d = MapDescriptor (d, d) Stride Order NumComponents
class ControlPoint c
class Map1 m where
- withNewMap1 :: (ControlPoint c, Domain d) => MapDescriptor d -> (Ptr d -> IO ()) -> IO (m c d)
- withMap1 :: (ControlPoint c, Domain d) => m c d -> (MapDescriptor d -> Ptr d -> IO a) -> IO a
- newMap1 :: (ControlPoint c, Domain d) => (d, d) -> [c d] -> IO (m c d)
- getMap1Components :: (ControlPoint c, Domain d) => m c d -> IO ((d, d), [c d])
data GLmap1 (c :: * -> *) d
map1 :: (Map1 m, ControlPoint c, Domain d) => StateVar (Maybe (m c d))
class Map2 m where
- withNewMap2 :: (ControlPoint c, Domain d) => MapDescriptor d -> MapDescriptor d -> (Ptr d -> IO ()) -> IO (m c d)
- withMap2 :: (ControlPoint c, Domain d) => m c d -> (MapDescriptor d -> MapDescriptor d -> Ptr d -> IO a) -> IO a
- newMap2 :: (ControlPoint c, Domain d) => (d, d) -> (d, d) -> [[c d]] -> IO (m c d)
- getMap2Components :: (ControlPoint c, Domain d) => m c d -> IO ((d, d), (d, d), [[c d]])
data GLmap2 (c :: * -> *) d
map2 :: (Map2 m, ControlPoint c, Domain d) => StateVar (Maybe (m c d))
evalCoord1 :: Domain d => d -> IO ()
evalCoord1v :: Domain d => Ptr d -> IO ()
evalCoord2 :: Domain d => (d, d) -> IO ()
evalCoord2v :: Domain d => Ptr d -> IO ()
mapGrid1 :: Domain d => StateVar (GLint, (d, d))
mapGrid2 :: Domain d => StateVar ((GLint, (d, d)), (GLint, (d, d)))
evalMesh1 :: PolygonMode -> (GLint, GLint) -> IO ()
evalMesh2 :: PolygonMode -> (GLint, GLint) -> (GLint, GLint) -> IO ()
evalPoint1 :: GLint -> IO ()
evalPoint2 :: (GLint, GLint) -> IO ()
autoNormal :: StateVar Capability

Evaluator-related Types

type Order = GLint Source #

maxOrder :: GettableStateVar Order Source #

class Storable d => Domain d Source #

Minimal complete definition

glMap1, glMap2, glGetMapv, evalCoord1, evalCoord1v, evalCoord2, evalCoord2v, glMapGrid1, glMapGrid2, get2, get4

Instances

Domain GLfloat Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Domain Methods glMap1 :: GLenum -> GLfloat -> GLfloat -> GLint -> GLint -> Ptr GLfloat -> IO () glMap2 :: GLenum -> GLfloat -> GLfloat -> GLint -> GLint -> GLfloat -> GLfloat -> GLint -> GLint -> Ptr GLfloat -> IO () glGetMapv :: GLenum -> GLenum -> Ptr GLfloat -> IO () evalCoord1 :: GLfloat -> IO () Source # evalCoord1v :: Ptr GLfloat -> IO () Source # evalCoord2 :: (GLfloat, GLfloat) -> IO () Source # evalCoord2v :: Ptr GLfloat -> IO () Source # glMapGrid1 :: GLint -> GLfloat -> GLfloat -> IO () glMapGrid2 :: GLint -> GLfloat -> GLfloat -> GLint -> GLfloat -> GLfloat -> IO () get2 :: GetPName2F p => (GLfloat -> GLfloat -> a) -> p -> IO a get4 :: GetPName4F p => (GLfloat -> GLfloat -> GLfloat -> GLfloat -> a) -> p -> IO a
Domain GLdouble Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Domain Methods glMap1 :: GLenum -> GLdouble -> GLdouble -> GLint -> GLint -> Ptr GLdouble -> IO () glMap2 :: GLenum -> GLdouble -> GLdouble -> GLint -> GLint -> GLdouble -> GLdouble -> GLint -> GLint -> Ptr GLdouble -> IO () glGetMapv :: GLenum -> GLenum -> Ptr GLdouble -> IO () evalCoord1 :: GLdouble -> IO () Source # evalCoord1v :: Ptr GLdouble -> IO () Source # evalCoord2 :: (GLdouble, GLdouble) -> IO () Source # evalCoord2v :: Ptr GLdouble -> IO () Source # glMapGrid1 :: GLint -> GLdouble -> GLdouble -> IO () glMapGrid2 :: GLint -> GLdouble -> GLdouble -> GLint -> GLdouble -> GLdouble -> IO () get2 :: GetPName2F p => (GLdouble -> GLdouble -> a) -> p -> IO a get4 :: GetPName4F p => (GLdouble -> GLdouble -> GLdouble -> GLdouble -> a) -> p -> IO a

data MapDescriptor d Source #

Constructors

MapDescriptor (d, d) Stride Order NumComponents

Instances

Eq d => Eq (MapDescriptor d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods (==) :: MapDescriptor d -> MapDescriptor d -> Bool # (/=) :: MapDescriptor d -> MapDescriptor d -> Bool #
Ord d => Ord (MapDescriptor d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods compare :: MapDescriptor d -> MapDescriptor d -> Ordering # (<) :: MapDescriptor d -> MapDescriptor d -> Bool # (<=) :: MapDescriptor d -> MapDescriptor d -> Bool # (>) :: MapDescriptor d -> MapDescriptor d -> Bool # (>=) :: MapDescriptor d -> MapDescriptor d -> Bool # max :: MapDescriptor d -> MapDescriptor d -> MapDescriptor d # min :: MapDescriptor d -> MapDescriptor d -> MapDescriptor d #
Show d => Show (MapDescriptor d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods showsPrec :: Int -> MapDescriptor d -> ShowS # show :: MapDescriptor d -> String # showList :: [MapDescriptor d] -> ShowS #

class ControlPoint c Source #

Minimal complete definition

map1Target, map2Target, enableCap1, enableCap2, numComponents, peekControlPoint, pokeControlPoint

Instances

ControlPoint Vertex4 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => Vertex4 d -> GLenum map2Target :: Domain d => Vertex4 d -> GLenum enableCap1 :: Domain d => Vertex4 d -> EnableCap enableCap2 :: Domain d => Vertex4 d -> EnableCap numComponents :: Domain d => Vertex4 d -> Stride peekControlPoint :: Domain d => Ptr (Vertex4 d) -> IO (Vertex4 d) pokeControlPoint :: Domain d => Ptr (Vertex4 d) -> Vertex4 d -> IO ()
ControlPoint Vertex3 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => Vertex3 d -> GLenum map2Target :: Domain d => Vertex3 d -> GLenum enableCap1 :: Domain d => Vertex3 d -> EnableCap enableCap2 :: Domain d => Vertex3 d -> EnableCap numComponents :: Domain d => Vertex3 d -> Stride peekControlPoint :: Domain d => Ptr (Vertex3 d) -> IO (Vertex3 d) pokeControlPoint :: Domain d => Ptr (Vertex3 d) -> Vertex3 d -> IO ()
ControlPoint Index1 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => Index1 d -> GLenum map2Target :: Domain d => Index1 d -> GLenum enableCap1 :: Domain d => Index1 d -> EnableCap enableCap2 :: Domain d => Index1 d -> EnableCap numComponents :: Domain d => Index1 d -> Stride peekControlPoint :: Domain d => Ptr (Index1 d) -> IO (Index1 d) pokeControlPoint :: Domain d => Ptr (Index1 d) -> Index1 d -> IO ()
ControlPoint Color4 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => Color4 d -> GLenum map2Target :: Domain d => Color4 d -> GLenum enableCap1 :: Domain d => Color4 d -> EnableCap enableCap2 :: Domain d => Color4 d -> EnableCap numComponents :: Domain d => Color4 d -> Stride peekControlPoint :: Domain d => Ptr (Color4 d) -> IO (Color4 d) pokeControlPoint :: Domain d => Ptr (Color4 d) -> Color4 d -> IO ()
ControlPoint Normal3 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => Normal3 d -> GLenum map2Target :: Domain d => Normal3 d -> GLenum enableCap1 :: Domain d => Normal3 d -> EnableCap enableCap2 :: Domain d => Normal3 d -> EnableCap numComponents :: Domain d => Normal3 d -> Stride peekControlPoint :: Domain d => Ptr (Normal3 d) -> IO (Normal3 d) pokeControlPoint :: Domain d => Ptr (Normal3 d) -> Normal3 d -> IO ()
ControlPoint TexCoord4 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => TexCoord4 d -> GLenum map2Target :: Domain d => TexCoord4 d -> GLenum enableCap1 :: Domain d => TexCoord4 d -> EnableCap enableCap2 :: Domain d => TexCoord4 d -> EnableCap numComponents :: Domain d => TexCoord4 d -> Stride peekControlPoint :: Domain d => Ptr (TexCoord4 d) -> IO (TexCoord4 d) pokeControlPoint :: Domain d => Ptr (TexCoord4 d) -> TexCoord4 d -> IO ()
ControlPoint TexCoord3 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => TexCoord3 d -> GLenum map2Target :: Domain d => TexCoord3 d -> GLenum enableCap1 :: Domain d => TexCoord3 d -> EnableCap enableCap2 :: Domain d => TexCoord3 d -> EnableCap numComponents :: Domain d => TexCoord3 d -> Stride peekControlPoint :: Domain d => Ptr (TexCoord3 d) -> IO (TexCoord3 d) pokeControlPoint :: Domain d => Ptr (TexCoord3 d) -> TexCoord3 d -> IO ()
ControlPoint TexCoord2 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => TexCoord2 d -> GLenum map2Target :: Domain d => TexCoord2 d -> GLenum enableCap1 :: Domain d => TexCoord2 d -> EnableCap enableCap2 :: Domain d => TexCoord2 d -> EnableCap numComponents :: Domain d => TexCoord2 d -> Stride peekControlPoint :: Domain d => Ptr (TexCoord2 d) -> IO (TexCoord2 d) pokeControlPoint :: Domain d => Ptr (TexCoord2 d) -> TexCoord2 d -> IO ()
ControlPoint TexCoord1 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.ControlPoint Methods map1Target :: Domain d => TexCoord1 d -> GLenum map2Target :: Domain d => TexCoord1 d -> GLenum enableCap1 :: Domain d => TexCoord1 d -> EnableCap enableCap2 :: Domain d => TexCoord1 d -> EnableCap numComponents :: Domain d => TexCoord1 d -> Stride peekControlPoint :: Domain d => Ptr (TexCoord1 d) -> IO (TexCoord1 d) pokeControlPoint :: Domain d => Ptr (TexCoord1 d) -> TexCoord1 d -> IO ()

Defining Evaluator Maps

One-dimensional Evaluator Maps

class Map1 m where Source #

Minimal complete definition

Nothing

Methods

withNewMap1 :: (ControlPoint c, Domain d) => MapDescriptor d -> (Ptr d -> IO ()) -> IO (m c d) Source #

withMap1 :: (ControlPoint c, Domain d) => m c d -> (MapDescriptor d -> Ptr d -> IO a) -> IO a Source #

newMap1 :: (ControlPoint c, Domain d) => (d, d) -> [c d] -> IO (m c d) Source #

getMap1Components :: (ControlPoint c, Domain d) => m c d -> IO ((d, d), [c d]) Source #

Instances

Map1 GLmap1 Source #

Instance details

Defined in Graphics.Rendering.OpenGL.GL.Evaluators

Methods

withNewMap1 :: (ControlPoint c, Domain d) => MapDescriptor d -> (Ptr d -> IO ()) -> IO (GLmap1 c d) Source #

withMap1 :: (ControlPoint c, Domain d) => GLmap1 c d -> (MapDescriptor d -> Ptr d -> IO a) -> IO a Source #

newMap1 :: (ControlPoint c, Domain d) => (d, d) -> [c d] -> IO (GLmap1 c d) Source #

getMap1Components :: (ControlPoint c, Domain d) => GLmap1 c d -> IO ((d, d), [c d]) Source #

data GLmap1 (c :: * -> *) d Source #

Instances

Map1 GLmap1 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods withNewMap1 :: (ControlPoint c, Domain d) => MapDescriptor d -> (Ptr d -> IO ()) -> IO (GLmap1 c d) Source # withMap1 :: (ControlPoint c, Domain d) => GLmap1 c d -> (MapDescriptor d -> Ptr d -> IO a) -> IO a Source # newMap1 :: (ControlPoint c, Domain d) => (d, d) -> [c d] -> IO (GLmap1 c d) Source # getMap1Components :: (ControlPoint c, Domain d) => GLmap1 c d -> IO ((d, d), [c d]) Source #
Eq d => Eq (GLmap1 c d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods (==) :: GLmap1 c d -> GLmap1 c d -> Bool # (/=) :: GLmap1 c d -> GLmap1 c d -> Bool #
Ord d => Ord (GLmap1 c d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods compare :: GLmap1 c d -> GLmap1 c d -> Ordering # (<) :: GLmap1 c d -> GLmap1 c d -> Bool # (<=) :: GLmap1 c d -> GLmap1 c d -> Bool # (>) :: GLmap1 c d -> GLmap1 c d -> Bool # (>=) :: GLmap1 c d -> GLmap1 c d -> Bool # max :: GLmap1 c d -> GLmap1 c d -> GLmap1 c d # min :: GLmap1 c d -> GLmap1 c d -> GLmap1 c d #
Show d => Show (GLmap1 c d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods showsPrec :: Int -> GLmap1 c d -> ShowS # show :: GLmap1 c d -> String # showList :: [GLmap1 c d] -> ShowS #

map1 :: (Map1 m, ControlPoint c, Domain d) => StateVar (Maybe (m c d)) Source #

Two-dimensional Evaluator Maps

class Map2 m where Source #

Minimal complete definition

Nothing

Methods

withNewMap2 :: (ControlPoint c, Domain d) => MapDescriptor d -> MapDescriptor d -> (Ptr d -> IO ()) -> IO (m c d) Source #

withMap2 :: (ControlPoint c, Domain d) => m c d -> (MapDescriptor d -> MapDescriptor d -> Ptr d -> IO a) -> IO a Source #

newMap2 :: (ControlPoint c, Domain d) => (d, d) -> (d, d) -> [[c d]] -> IO (m c d) Source #

getMap2Components :: (ControlPoint c, Domain d) => m c d -> IO ((d, d), (d, d), [[c d]]) Source #

Instances

Map2 GLmap2 Source #

Instance details

Defined in Graphics.Rendering.OpenGL.GL.Evaluators

Methods

withNewMap2 :: (ControlPoint c, Domain d) => MapDescriptor d -> MapDescriptor d -> (Ptr d -> IO ()) -> IO (GLmap2 c d) Source #

withMap2 :: (ControlPoint c, Domain d) => GLmap2 c d -> (MapDescriptor d -> MapDescriptor d -> Ptr d -> IO a) -> IO a Source #

newMap2 :: (ControlPoint c, Domain d) => (d, d) -> (d, d) -> [[c d]] -> IO (GLmap2 c d) Source #

getMap2Components :: (ControlPoint c, Domain d) => GLmap2 c d -> IO ((d, d), (d, d), [[c d]]) Source #

data GLmap2 (c :: * -> *) d Source #

Instances

Map2 GLmap2 Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods withNewMap2 :: (ControlPoint c, Domain d) => MapDescriptor d -> MapDescriptor d -> (Ptr d -> IO ()) -> IO (GLmap2 c d) Source # withMap2 :: (ControlPoint c, Domain d) => GLmap2 c d -> (MapDescriptor d -> MapDescriptor d -> Ptr d -> IO a) -> IO a Source # newMap2 :: (ControlPoint c, Domain d) => (d, d) -> (d, d) -> [[c d]] -> IO (GLmap2 c d) Source # getMap2Components :: (ControlPoint c, Domain d) => GLmap2 c d -> IO ((d, d), (d, d), [[c d]]) Source #
Eq d => Eq (GLmap2 c d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods (==) :: GLmap2 c d -> GLmap2 c d -> Bool # (/=) :: GLmap2 c d -> GLmap2 c d -> Bool #
Ord d => Ord (GLmap2 c d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods compare :: GLmap2 c d -> GLmap2 c d -> Ordering # (<) :: GLmap2 c d -> GLmap2 c d -> Bool # (<=) :: GLmap2 c d -> GLmap2 c d -> Bool # (>) :: GLmap2 c d -> GLmap2 c d -> Bool # (>=) :: GLmap2 c d -> GLmap2 c d -> Bool # max :: GLmap2 c d -> GLmap2 c d -> GLmap2 c d # min :: GLmap2 c d -> GLmap2 c d -> GLmap2 c d #
Show d => Show (GLmap2 c d) Source #
Instance details Defined in Graphics.Rendering.OpenGL.GL.Evaluators Methods showsPrec :: Int -> GLmap2 c d -> ShowS # show :: GLmap2 c d -> String # showList :: [GLmap2 c d] -> ShowS #