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Why “for (FfxInt32 row = 0; row < 3; row++) for (FfxInt32 col = 0; col < 3; col++)” #126

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BuryFlowers opened this issue Dec 8, 2023 · 0 comments
Open

Why “for (FfxInt32 row = 0; row < 3; row++) for (FfxInt32 col = 0; col < 3; col++)” #126

BuryFlowers opened this issue Dec 8, 2023 · 0 comments

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@BuryFlowers
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I am reading the source code of FSR 2.0.
I found that in the function “ComputeUpsampledColorAndWeight” in "ffx_fsr2_upsample.h", there are 16 samples to be sampled,
but the real code is "for (FfxInt32 row = 0; row < 3; row++) for (FfxInt32 col = 0; col < 3; col++) ", which if I am right, there will be only 9 samples to be sampled.
Did I misunderstand anything?
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@BuryFlowers