RAS_Sharpen2DFilter.h File Reference

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Variables
const char *	SharpenFragmentShader

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Detailed Description

Definition in file RAS_Sharpen2DFilter.h.

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Variable Documentation

const char* SharpenFragmentShader

Initial value:

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

void main(void)
{
    vec4 sample[9];

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

    gl_FragColor = (sample[4] * 9.0) -
            (sample[0] + sample[1] + sample[2] +
             sample[3] + sample[5] +
             sample[6] + sample[7] + sample[8]);
}
)

Definition at line 35 of file RAS_Sharpen2DFilter.h.