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LibSoftGPU: Use AK::mix instead of manual interpolation

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Jelle Raaijmakers 2022-01-04 15:02:30 +01:00 • committed by Linus Groh
parent 8da0925d6d
commit bca1b9f475
3 changed files with 13 additions and 24 deletions
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14
Userland/Libraries/LibSoftGPU/Sampler.cpp
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@ -108,16 +108,12 @@ FloatVector4 Sampler::sample_2d(FloatVector2 const& uv) const
t3 = (i1 < 0 || i1 >= w || j1 < 0 || j1 >= h) ? m_config.border_color : image.texel(layer, level, i1, j1, 0);
}
float alpha = fracf(u - 0.5f);
float beta = fracf(v - 0.5f);
float const alpha = fracf(u - 0.5f);
float const beta = fracf(v - 0.5f);
float one_minus_alpha = 1 - alpha;
float one_minus_beta = 1 - beta;
auto lerp_0 = t0 * one_minus_alpha + t1 * alpha;
auto lerp_1 = t2 * one_minus_alpha + t3 * alpha;
return lerp_0 * one_minus_beta + lerp_1 * beta;
auto const lerp_0 = mix(t0, t1, alpha);
auto const lerp_1 = mix(t2, t3, alpha);
return mix(lerp_0, lerp_1, beta);
}
}