RAS_Erosion2DFilter.h File Reference

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Variables
const char *	ErosionFragmentShader

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Detailed Description

Definition in file RAS_Erosion2DFilter.h.

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Variable Documentation

const char* ErosionFragmentShader

Initial value:

STRINGIFY(
            uniform sampler2D bgl_RenderedTexture;
        uniform vec2 bgl_TextureCoordinateOffset[9];

void main(void)
{
    vec4 sample[9];
    vec4 minValue = vec4(1.0);

    for (int i = 0; i < 9; i++)
    {
        sample[i] = texture2D(bgl_RenderedTexture,
                              gl_TexCoord[0].st + bgl_TextureCoordinateOffset[i]);
        minValue = min(sample[i], minValue);
    }

    gl_FragColor = minValue;
}
)

Definition at line 35 of file RAS_Erosion2DFilter.h.