| OpenGL-2.2.1.1: A binding for the OpenGL graphics system | Source code | Contents | Index

Graphics.Rendering.OpenGL.GL.Evaluators |

Portability | portable
Stability | stable
Maintainer | sven.panne@aedion.de

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
    Defining a Grid
    Evaluating a Whole Mesh
    Evaluating a Single Point on a Mesh
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 where

evalCoord1 :: d -> IO ()
evalCoord1v :: Ptr d -> IO ()
evalCoord2 :: (d, d) -> IO ()
evalCoord2v :: Ptr d -> IO ()

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 where | Source

Methods

evalCoord1 :: d -> IO () | Source

evalCoord1v :: Ptr d -> IO () | Source

evalCoord2 :: (d, d) -> IO () | Source

evalCoord2v :: Ptr d -> IO () | Source

Instances

Domain GLdouble
Domain GLfloat

data MapDescriptor d | Source

Constructors

MapDescriptor (d, d) Stride Order NumComponents |

Instances

(Domain d, ??? d) => Eq (MapDescriptor d)
(Domain d, ??? d) => Ord (MapDescriptor d)
(Domain d, ??? d) => Show (MapDescriptor d)

class ControlPoint c | Source

Instances

ControlPoint Color4
ControlPoint Index1
ControlPoint Normal3
ControlPoint TexCoord1
ControlPoint TexCoord2
ControlPoint TexCoord3
ControlPoint TexCoord4
ControlPoint Vertex3
ControlPoint Vertex4

Defining Evaluator Maps
One-dimensional Evaluator Maps

class Map1 m where | Source

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

data GLmap1 c d | Source

Instances

Map1 GLmap1
Eq d => Eq (GLmap1 c d)
Ord d => Ord (GLmap1 c d)
Show d => Show (GLmap1 c d)

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

Two-dimensional Evaluator Maps

class Map2 m where | Source

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

data GLmap2 c d | Source

Instances

Map2 GLmap2
Eq d => Eq (GLmap2 c d)
Ord d => Ord (GLmap2 c d)
Show d => Show (GLmap2 c d)

map2 :: (Map2 m, ControlPoint c, Domain d) => StateVar (Maybe (m c d)) | Source

Using Evaluator Maps
Evaluating an Arbitrary Coordinate Value

evalCoord1 :: Domain d => d -> IO () | Source

evalCoord1v :: Domain d => Ptr d -> IO () | Source

evalCoord2 :: Domain d => (d, d) -> IO () | Source

evalCoord2v :: Domain d => Ptr d -> IO () | Source

Using Evenly Spaced Coordinate Values
Defining a Grid

mapGrid1 :: Domain d => StateVar (GLint, (d, d)) | Source

mapGrid2 :: Domain d => StateVar ((GLint, (d, d)), (GLint, (d, d))) | Source

Evaluating a Whole Mesh

evalMesh1 :: PolygonMode -> (GLint, GLint) -> IO () | Source

evalMesh2 :: PolygonMode -> (GLint, GLint) -> (GLint, GLint) -> IO () | Source

Evaluating a Single Point on a Mesh

evalPoint1 :: GLint -> IO () | Source

evalPoint2 :: (GLint, GLint) -> IO () | Source

Normal Generation

autoNormal :: StateVar Capability | Source

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