49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
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// Copyright (c) 2013- PPSSPP Project.
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// This program 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, version 2.0 or later versions.
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// This program 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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "../GPUState.h"
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#include "Lighting.h"
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namespace Lighting {
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void Process(VertexData& vertex)
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{
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if (!gstate.isLightingEnabled())
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return;
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Vec3<float> mec = Vec3<float>(gstate.getMaterialEmissiveR(), gstate.getMaterialEmissiveG(), gstate.getMaterialEmissiveB())/255.f;
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Vec3<float> mac = (gstate.materialupdate&1)
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? Vec3<float>(gstate.getMaterialAmbientR(), gstate.getMaterialAmbientG(), gstate.getMaterialAmbientB())/255.f
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: vertex.color0.rgb();
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vertex.color0.r() = mec.r() + mac.r() * gstate.getAmbientR()/255.f;
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vertex.color0.g() = mec.g() + mac.g() * gstate.getAmbientG()/255.f;
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vertex.color0.b() = mec.b() + mac.b() * gstate.getAmbientB()/255.f;
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float maa = (gstate.materialupdate&1) ? gstate.getMaterialAmbientA()/255.f : vertex.color0.a();
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vertex.color0.a() = gstate.getAmbientA()/255.f * maa;
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// Currently only implementing ambient lighting, so secondary color is always zero anyway
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//if (!gstate.isUsingSecondaryColor())
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{
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vertex.color1 = Vec3<float>(0.f, 0.f, 0.f);
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}
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}
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} // namespace
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