mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-05-05 10:59:47 -05:00
Alexander Bock
c3ba532bdb
* Revert screenlog back to showing Info and above messages * Various code cleanup
47 lines
2.7 KiB
GLSL
47 lines
2.7 KiB
GLSL
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2021 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#version __CONTEXT__
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#include "atmosphere_common.glsl"
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out vec4 renderTarget;
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uniform int layer;
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uniform sampler3D deltaSTexture;
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void main() {
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vec2 p = gl_FragCoord.xy - vec2(0.5);
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float nu = -1.0 + floor(p.x / float(SAMPLES_MU_S)) / (float(SAMPLES_NU) - 1.0) * 2.0;
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vec3 uvw = vec3(
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gl_FragCoord.xy,
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float(layer) + 0.5) / vec3(ivec3(SAMPLES_MU_S * SAMPLES_NU, SAMPLES_MU, SAMPLES_R)
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);
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// See Bruneton and Neyret paper, "Angular Precision" paragraph to understanding why we
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// are dividing the S[L*] by the Rayleigh phase function.
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renderTarget = vec4(texture(deltaSTexture, uvw).rgb / rayleighPhaseFunction(nu), 0.0);
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}
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