GPUShaders::Frag::Laplacian Class Reference

Laplacian fragment shader. More...

Public Member Functions
bool	isOutside (vec2 pos)
void	main ()

Public Attributes
in vec2	uv
	UV coordinates.
uniform uniform int	scale
	The downscaling applied to the input image.
out vec4	fragColor
	Color.

Detailed Description

Laplacian fragment shader.

See also

GPUShaders::Common::Samplers

Member Function Documentation

isOutside()

bool GPUShaders::Frag::Laplacian::isOutside ( vec2  pos )

inline

Denotes if UV coordinates falls outside an image.

Parameters

pos	the UV coordinates

Returns

true if the UV are outside of the image

main()

void GPUShaders::Frag::Laplacian::main ( )

inline

Compute the Laplacian field of an input RGB image, adding a 1px black border around it before computing the gradients and divergence.

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The documentation for this class was generated from the following file:

• resources/common/shaders/screens/convolution-pyramid/laplacian.frag