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22 lines
641 B
GLSL
22 lines
641 B
GLSL
// Implementation of Subpixel Morphological Antialiasing (SMAA) is based on https://github.com/iryoku/smaa
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attribute vec2 a_pos;
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attribute vec2 a_tcoord;
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uniform vec4 u_framebufferMetrics;
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varying vec2 v_colorTexCoords;
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varying vec4 v_offset0;
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varying vec4 v_offset1;
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varying vec4 v_offset2;
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void main()
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{
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v_colorTexCoords = a_tcoord;
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v_offset0 = u_framebufferMetrics.xyxy * vec4(-1.0, 0.0, 0.0, -1.0) + a_tcoord.xyxy;
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v_offset1 = u_framebufferMetrics.xyxy * vec4( 1.0, 0.0, 0.0, 1.0) + a_tcoord.xyxy;
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v_offset2 = u_framebufferMetrics.xyxy * vec4(-2.0, 0.0, 0.0, -2.0) + a_tcoord.xyxy;
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gl_Position = vec4(a_pos, 0.0, 1.0);
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}
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