In Unity3D Engine,
I usually apply normal mapping using fragment shader.
In this case,
this normal mapping is cpu overhead or gpu overhead?
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\$\begingroup\$ If you use fragment shader, isn't it necessarily the GPU? (I'm new to gamedev) \$\endgroup\$– VaraquilexFeb 4, 2015 at 6:02
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\$\begingroup\$ I'm not that familiar with Unity, but more often than not (almost always), shaders are run on gpu hardware. \$\endgroup\$– PeethorFeb 4, 2015 at 6:12
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\$\begingroup\$ So you mean it's GPU overhead... \$\endgroup\$– Jinbom HeoFeb 4, 2015 at 8:50
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1 Answer
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Normal mapping is calculated using a vertex and pixel shader, so it's GPU overhead.
answered Feb 4, 2015 at 9:23