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VideoCommon: normalize lighting direction. 

It seems that the lighting direction must be normalized. This fixes lots of lighting issues mostly shown in the d3d backend.
This commit is contained in:
degasus 2014-06-27 10:40:45 +02:00
parent be1fe80bb6
commit 02ac5e95c8
1 changed files with 7 additions and 4 deletions
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11
Source/Core/VideoCommon/VertexShaderManager.cpp
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@ -281,10 +281,13 @@ void VertexShaderManager::SetConstants()
dstlight.pos[1] = light.dpos[1];
dstlight.pos[2] = light.dpos[2];
// TODO: these likely have to be normalized
dstlight.dir[0] = light.ddir[0];
dstlight.dir[1] = light.ddir[1];
dstlight.dir[2] = light.ddir[2];
double norm = double(light.ddir[0]) * double(light.ddir[0]) +
double(light.ddir[1]) * double(light.ddir[1]) +
double(light.ddir[2]) * double(light.ddir[2]);
norm = 1.0 / sqrt(norm);
dstlight.dir[0] = light.ddir[0] * norm;
dstlight.dir[1] = light.ddir[1] * norm;
dstlight.dir[2] = light.ddir[2] * norm;
}
dirty = true;