65 lines
1.6 KiB
Plaintext
65 lines
1.6 KiB
Plaintext
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#version 410 compatibility
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#define SMAA_PIXEL_SIZE vec2(1.0 / 512.0, 1.0 / 512.0)
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#define SMAA_THRESHOLD 0.05
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#define SMAA_MAX_SEARCH_STEPS 32
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#define SMAA_MAX_SEARCH_STEPS_DIAG 16
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#define SMAA_CORNER_ROUNDING 25
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#ifndef SMAA_DEPTH_THRESHOLD
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#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
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#endif
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#ifndef SMAA_REPROJECTION
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#define SMAA_REPROJECTION 0
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#endif
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#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
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#ifndef SMAA_AREATEX_MAX_DISTANCE
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#define SMAA_AREATEX_MAX_DISTANCE 16
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#endif
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#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
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#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
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#endif
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#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
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#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
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/* --- Define section is over ---- */
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/**
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* Neighborhood Blending Vertex Shader
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*/
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void SMAANeighborhoodBlendingVS(vec4 position,
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out vec4 svPosition,
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inout vec2 texcoord,
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out vec4 offset[2]) {
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svPosition = position;
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offset[0] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-1.0, 0.0, 0.0, -1.0);
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offset[1] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4( 1.0, 0.0, 0.0, 1.0);
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}
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/* ------------- Header is over -------------- */
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out vec2 texcoord;
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out vec4 offset[2];
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out vec4 dummy2;
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attribute vec3 vPosition;
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attribute vec2 vTexCoord;
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uniform mat4 ProjectionMatrix;
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void main()
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{
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texcoord = vTexCoord;
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vec4 dummy1 = vec4(0);
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SMAANeighborhoodBlendingVS(dummy1, dummy2, texcoord, offset);
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gl_Position = ProjectionMatrix * vec4(vPosition.xyz, 1.0);
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}
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