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16 lines
362 B
16 lines
362 B
uniform float u_Time;
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uniform sampler2D u_Tex0;
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varying vec2 v_TexCoord;
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vec4 sepia(vec4 color)
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{
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return vec4(dot(color, vec4(.393, .769, .189, .0)),
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dot(color, vec4(.349, .686, .168, .0)),
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dot(color, vec4(.272, .534, .131, .0)),
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1);
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}
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void main()
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{
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gl_FragColor = sepia(texture2D(u_Tex0, v_TexCoord));
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} |