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42 lines
1.1 KiB
Text
42 lines
1.1 KiB
Text
<@include gpu/Config.slh@>
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<$VERSION_HEADER$>
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// Generated on <$_SCRIBE_DATE$>
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//
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// ssao_bilateralBlur.vert
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//
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// Draw the unit quad [-1,-1 -> 1,1] filling in
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// Simply draw a Triangle_strip of 2 triangles, no input buffers or index buffer needed
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//
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// Created by Olivier Prat on 9/12/2018
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// Copyright 2018 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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<@include gpu/Transform.slh@>
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<$declareStandardTransform()$>
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layout(location=0) out vec4 varTexCoord0;
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void main(void) {
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const vec4 UNIT_QUAD[4] = vec4[4](
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vec4(-1.0, -1.0, 0.0, 1.0),
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vec4(1.0, -1.0, 0.0, 1.0),
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vec4(-1.0, 1.0, 0.0, 1.0),
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vec4(1.0, 1.0, 0.0, 1.0)
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);
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vec4 pos = UNIT_QUAD[gl_VertexID];
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// standard transform but applied to the Texcoord
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vec2 fullTexCoord = (pos.xy + 1.0) * 0.5;
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vec4 tc = vec4(fullTexCoord, pos.zw);
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TransformObject obj = getTransformObject();
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<$transformModelToWorldPos(obj, tc, tc)$>
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gl_Position = pos;
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varTexCoord0.xy = tc.xy;
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varTexCoord0.zw = fullTexCoord.xy;
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}
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