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52 lines
1.4 KiB
Text
52 lines
1.4 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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// deferred_light_limited.vert
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// vertex shader
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//
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// Created by Sam Gateau on 6/16/16.
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// Copyright 2014 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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<@include gpu/Inputs.slh@>
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<@include graphics/Light.slh@>
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<@include render-utils/ShaderConstants.h@>
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<$declareStandardTransform()$>
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<$declareLightBuffer(256)$>
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LAYOUT(binding=RENDER_UTILS_BUFFER_LIGHT_INDEX) uniform lightIndexBuffer {
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int lightIndex[256];
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};
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layout(location=RENDER_UTILS_ATTR_TEXCOORD01) out vec4 _texCoord0;
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void main(void) {
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int instanceID = lightIndex[gl_InstanceID];
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Light light = getLight(instanceID);
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vec4 sphereVertex = inPosition;
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vec3 lightOrigin = getLightPosition(light);
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vec4 sphereParam = vec4(1.0); // = getLightVolumeGeometry(light);
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sphereVertex.xyz *= sphereParam.w;
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sphereVertex.xyz += lightOrigin;
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// standard transform
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TransformCamera cam = getTransformCamera();
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<$transformWorldToClipPos(cam, sphereVertex, gl_Position)$>;
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vec4 projected = gl_Position / gl_Position.w;
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projected.xy = (projected.xy + 1.0) * 0.5;
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projected.x = mix(projected.x, 0.5 * (projected.x + cam_getStereoSide()), float(cam_isStereo()));
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_texCoord0 = vec4(projected.xy, 0.0, 1.0) * gl_Position.w;
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}
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