mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
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25 lines
597 B
GLSL
25 lines
597 B
GLSL
varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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uniform int useSurf;
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uniform sampler2D prevFrame;
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uniform vec2 dimension;
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uniform int axis;
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uniform int invert;
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uniform float size;
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void main() {
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vec2 px = v_vTexcoord * dimension - .5;
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px /= size;
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vec2 md = mod(px, 2.);
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if(invert == 1)
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md = 1. - md;
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gl_FragColor = vec4(0.);
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if((axis == 0 && md.y < 1.) || (axis == 1 && md.x < 1.))
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gl_FragColor = texture2D( gm_BaseTexture, v_vTexcoord );
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else if(useSurf == 1)
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gl_FragColor = texture2D( prevFrame, v_vTexcoord );
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}
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