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obs-filters: Fix bad math in Color Key v1

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Do not treat incoming color uniform as premultiplied.
This commit is contained in:
jpark37 2021-04-29 02:10:09 -07:00 committed by Jim
parent 6372f51bda
commit 8c513ab84c
1 changed files with 2 additions and 1 deletions
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3
plugins/obs-filters/data/color_key_filter.effect
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@ -49,8 +49,9 @@ float4 ProcessColorKey(float4 rgba, VertData v_in)
float4 PSColorKeyRGBA(VertData v_in) : TARGET
{
float4 rgba = image.Sample(textureSampler, v_in.uv) * color;
float4 rgba = image.Sample(textureSampler, v_in.uv);
rgba.rgb = max(float3(0.0, 0.0, 0.0), rgba.rgb / rgba.a);
rgba *= color;
return ProcessColorKey(rgba, v_in);
}