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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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13
Userland/Libraries/LibSoftGPU/Device.cpp
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@ -35,12 +35,6 @@ constexpr static T interpolate(const T& v0, const T& v1, const T& v2, const Floa
return v0 * barycentric_coords.x() + v1 * barycentric_coords.y() + v2 * barycentric_coords.z();
}
template<typename T>
constexpr static T mix(const T& x, const T& y, float interp)
{
return x * (1 - interp) + y * interp;
}
ALWAYS_INLINE constexpr static Gfx::RGBA32 to_rgba32(const FloatVector4& v)
{
auto clamped = v.clamped(0, 1);
@ -821,10 +815,9 @@ void Device::submit_triangle(const Triangle& triangle, Vector<size_t> const& ena
break;
case TextureEnvMode::Decal: {
float src_alpha = fragment.w();
float one_minus_src_alpha = 1 - src_alpha;
fragment.set_x(texel.x() * src_alpha + fragment.x() * one_minus_src_alpha);
fragment.set_y(texel.y() * src_alpha + fragment.y() * one_minus_src_alpha);
fragment.set_z(texel.z() * src_alpha + fragment.z() * one_minus_src_alpha);
fragment.set_x(mix(fragment.x(), texel.x(), src_alpha));
fragment.set_y(mix(fragment.y(), texel.y(), src_alpha));
fragment.set_z(mix(fragment.z(), texel.z(), src_alpha));
break;
}
default: