wehub-resource-sync
27 lines
657 B
HLSL
27 lines
657 B
HLSL
// UpsampleAddPS.hlsl
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// Samples a lower-resolution texture using full-resolution UVs (bilinear upsample),
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// applies intensity, and outputs for additive blending.
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cbuffer CompositeParams : register(b0)
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{
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float2 InvTargetSize;
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float2 InvSourceSize;
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float4 PassColor;
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float PassIntensity;
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};
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Texture2D LowResTexture : register(t0);
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SamplerState LinearSampler : register(s0);
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struct PS_INPUT
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{
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float4 pos : SV_POSITION;
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float2 uv : TEXCOORD0;
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};
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float4 psMain(PS_INPUT input) : SV_Target
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{
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float4 color = LowResTexture.SampleLevel(LinearSampler, input.uv, 0); // Use mip level 0
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return color * PassIntensity * PassColor;
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}
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