Graphics.Rendering.Ombra.Blend

Blending lets you combine the colors in the color buffer with the output of the fragment shader, using a custom operation.

Types

data Mode

Blend mode.

Constructors

Mode

Fields

• constantColor :: Maybe Vec4

  The color that will be used if you choose the ConstantColor or ConstantAlpha parameter.

• rgbOperator :: Operator

  Operation to apply to the colors (first three components of the color vectors).

• rgbParameters :: Maybe (Parameter, Parameter)

  Multipliers of the source color and destination color, respectively.

• alphaOperator :: Operator

  Operation to apply to the alpha component.

• alphaParameters :: Maybe (Parameter, Parameter)

  Multipliers of the source alpha and destination alpha.

Instances

Eq Mode

Methods

(==) :: Mode -> Mode -> Bool

(/=) :: Mode -> Mode -> Bool

data Operator

Blend operator.

Constructors

Add

Subtract

ReverseSubtract

Instances

Eq Operator

Methods

(==) :: Operator -> Operator -> Bool

(/=) :: Operator -> Operator -> Bool

data Parameter

Blend function parameters.

Constructors

Zero

One

SourceColor

DestinationColor

ConstantColor

SourceAlpha

DestinationAlpha

ConstantAlpha

OneMinus Parameter

Instances

Eq Parameter

Methods

(==) :: Parameter -> Parameter -> Bool

(/=) :: Parameter -> Parameter -> Bool

withBlendMode :: MonadBlend m => Maybe Mode -> m a -> m a

Blending modes

transparency :: Mode

Standard transparency.

additive :: Mode

Additive blend mode.