caramia-0.7.2.2: High-level OpenGL bindings

Safe HaskellNone
LanguageHaskell2010

Graphics.Caramia.Blend

Contents

Description

Blending stuff.

https://www.opengl.org/wiki/Blending

Synopsis

Data types

data BlendSpec Source

Captures the blending parameters.

Constructors

BlendSpec 

Fields

alphaEquation :: !BlendEquation
 
colorEquation :: !BlendEquation
 
srcColorFunc :: !BlendFunc
 
srcAlphaFunc :: !BlendFunc
 
dstColorFunc :: !BlendFunc
 
dstAlphaFunc :: !BlendFunc
 
blendColor :: !Color
 

Instances

data BlendEquation Source

Describes which equation to use in blending.

See glBlendEquation in OpenGL documentation.

Constructors

BEAdd 
BESubtract 
BEReverseSubtract 
BEMin 
BEMax 

Instances

data BlendFunc Source

Describes the arithmetic to use in blending.

See glBlendFunc in OpenGL documentation.

Constructors

BFZero 
BFOne 
BFSrcColor 
BFOneMinusSrcColor 
BFDstColor 
BFOneMinusDstColor 
BFSrcAlpha 
BFOneMinusSrcAlpha 
BFDstAlpha 
BFOneMinusDstAlpha 
BFConstantColor 
BFOneMinusConstantColor 
BFConstantAlpha 
BFOneMinusConstantAlpha 
BFSrcAlphaSaturate 

Instances

Pre-defined blending specs

preMultipliedAlpha :: BlendSpec Source

nopBlend :: BlendSpec Source

Blending that doesn't do anything special; just copies the source pixel to destination.