Jelle Raaijmakers 8ff7c52cf4 LibSoftGPU: Return a const& texel in Image to prevent copying ...

On every texel access, some floating point instructions involved in
copying 4 floats popped up. Let `Image::texel() const` return a
`FloatVector4 const&` to prevent these operations.

This results in a ~7% FPS increase in GLQuake on my machine.

2022-09-14 17:17:36 +02:00

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