59 lines
1.5 KiB
GLSL
59 lines
1.5 KiB
GLSL
/*
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Copyright (c) 2013 yvt
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This file is part of OpenSpades.
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OpenSpades is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenSpades is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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varying vec4 color;
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varying vec2 ambientOcclusionCoord;
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//varying vec2 detailCoord;
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varying vec3 fogDensity;
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uniform sampler2D ambientOcclusionTexture;
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uniform sampler2D detailTexture;
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uniform vec3 fogColor;
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vec3 EvaluateSunLight();
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vec3 EvaluateAmbientLight(float detailAmbientOcclusion);
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void main() {
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// color is linearized
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gl_FragColor = color;
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gl_FragColor.w = 1.;
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vec3 shading = vec3(color.w);
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// FIXME: prepare for shadow?
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shading *= EvaluateSunLight();
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vec3 ao = texture2D(ambientOcclusionTexture, ambientOcclusionCoord).xyz;
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shading += EvaluateAmbientLight(ao.x);
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gl_FragColor.xyz *= shading;
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//gl_FragColor.xyz *= texture2D(detailTexture, detailCoord).xyz * 2.;
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gl_FragColor.xyz = mix(gl_FragColor.xyz, fogColor, fogDensity);
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#if !LINEAR_FRAMEBUFFER
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gl_FragColor.xyz = sqrt(gl_FragColor.xyz);
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#endif
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}
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