NDI plugin quality trouble

Development Pipeline & Plugins Plugins
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4

I changed only shader “NDIIO/Shaders/Private/NDIIOShaders.usf”.

For example function void NDIIOUYVYtoBGRAPS (// Shader from 8 bits UYVY to 8 bits RGBA (alpha set to 1)):

WAS:

float4 UYVYB = NDIIOShaderUB.InputTarget.Sample(NDIIOShaderUB.SamplerB, InUV);
float4 UYVYT = NDIIOShaderUB.InputTarget.Sample(NDIIOShaderUB.SamplerT, InUV);
float PosX = 2.0f * InUV.x * NDIIOShaderUB.InputWidth;
float4 YUVA;
float FracX = PosX % 2.0f;
YUVA.x = (1 - FracX) * UYVYT.y + FracX * UYVYT.w;
YUVA.yz = UYVYB.zx;
YUVA.w = 1;

I DID:

float4 UYVYB = NDIIOShaderUB.InputTarget.Sample(NDIIOShaderUB.SamplerB, InUV);
float4 UYVYT0 = NDIIOShaderUB.InputTarget.Sample(NDIIOShaderUB.SamplerT, InUV + float2(-0.25f / NDIIOShaderUB.InputWidth, 0));
float4 UYVYT1 = NDIIOShaderUB.InputTarget.Sample(NDIIOShaderUB.SamplerT, InUV + float2(0.25f / NDIIOShaderUB.InputWidth, 0));
float PosX = 2.0f * InUV.x * NDIIOShaderUB.InputWidth;
float4 YUVA;
float FracX = (PosX % 2.0f) * 0.5f;
YUVA.x = (1 - FracX) * UYVYT1.y + FracX * UYVYT0.w;
YUVA.yz = UYVYB.zx;
YUVA.w = 1;

Small changes but result is seems much more better.

Of course, I added a bit of sharpness to the material after I changed the shader, but even without that, the result looks better than in the original version.

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