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15 lines
312 B
GLSL
15 lines
312 B
GLSL
#ifdef GL_ES
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#define LOWP lowp
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#define MED mediump
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precision lowp float;
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#else
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#define LOWP
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#define MED
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#endif
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uniform sampler2D u_texture0;
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uniform vec2 threshold;
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varying MED vec2 v_texCoords;
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void main()
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{
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gl_FragColor.rgb = (texture2D(u_texture0, v_texCoords).rgb - vec3(threshold.x)) * threshold.y;
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} |