eden-emu/eden - eden - InfoTonic

Yuri Kunde Schlesner 4e09202226 VideoCore: Saturate vertex colors before interpolating During testing, it was discovered that hardware does not interpolate colors output by the vertex shader as-is. Rather, it drops the sign and saturates the value to 1.0. This is done before interpolation, such that (e.g.) interpolating outputs 1.5 and -0.5 is equivalent to as if the shader had output the values 1.0 and 0.5 instead, with the interpolated value never crossing 0.0. This change has been tested against hardware.	11 years ago
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pre-commit	enforce config from hook	11 years ago

Yuri Kunde Schlesner 4e09202226 VideoCore: Saturate vertex colors before interpolating

During testing, it was discovered that hardware does not interpolate
colors output by the vertex shader as-is. Rather, it drops the sign and
saturates the value to 1.0. This is done before interpolation, such that
(e.g.) interpolating outputs 1.5 and -0.5 is equivalent to as if the
shader had output the values 1.0 and 0.5 instead, with the interpolated
value never crossing 0.0.

This change has been tested against hardware.

11 years ago

pre-commit

enforce config from hook

11 years ago