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-rw-r--r--OPEN ME.unity131
-rw-r--r--generate_fft_reference.py9
-rw-r--r--mandrill_256x256.exrbin532830 -> 532820 bytes
3 files changed, 107 insertions, 33 deletions
diff --git a/OPEN ME.unity b/OPEN ME.unity
index b5c41e4..a98b17c 100644
--- a/OPEN ME.unity
+++ b/OPEN ME.unity
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@@ -1572,7 +1608,7 @@ GameObject:
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- component: {fileID: 1242669367}
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@@ -1910,8 +1983,11 @@ MonoBehaviour:
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- {fileID: 2100000, guid: ee8f29cf44fa87f46a1417c25af26824, type: 2}
+ - {fileID: 2100000, guid: d924df630b01842449ed5cd5a8ffee97, type: 2}
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- {fileID: 2100000, guid: 529b8b96dc28ae14381ede5d8ca8e97c, type: 2}
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@@ -2096,15 +2172,6 @@ SceneRoots:
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- - {fileID: 599917956}
- - {fileID: 773866680}
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- - {fileID: 785989659}
- - {fileID: 562951497}
- - {fileID: 612474627}
+ - {fileID: 983355411}
diff --git a/generate_fft_reference.py b/generate_fft_reference.py
index a7d58f4..db2289d 100644
--- a/generate_fft_reference.py
+++ b/generate_fft_reference.py
@@ -18,10 +18,13 @@ def main():
# Load input image and convert to luminance
img = Image.open(args.input).convert('RGB')
- img = img.resize((args.size, args.size), Image.Resampling.LANCZOS)
+ img = img.resize((args.size, args.size), Image.Resampling.NEAREST)
img_array = np.array(img, dtype=np.float32) / 255.0
luminance = 0.2126 * img_array[:,:,0] + 0.7152 * img_array[:,:,1] + 0.0722 * img_array[:,:,2]
+ # Unity's UV origin is bottom-left, NumPy/PIL's is top-left; flip vertically to align
+ luminance = np.flipud(luminance)
+
# Perform 2D FFT (no fftshift, matching GPU implementation)
fft_result = np.fft.fft2(luminance)
@@ -30,6 +33,10 @@ def main():
real_part = fft_result.real.astype(np.float32)
imag_part = fft_result.imag.astype(np.float32)
+ # Unity's output texture also uses bottom-left origin, so flip output too
+ real_part = np.flipud(real_part)
+ imag_part = np.flipud(imag_part)
+
# Create EXR
height, width = args.size, args.size
header = OpenEXR.Header(width, height)
diff --git a/mandrill_256x256.exr b/mandrill_256x256.exr
index 01c4a3a..b1322a1 100644
--- a/mandrill_256x256.exr
+++ b/mandrill_256x256.exr
Binary files differ
generated by cgit v1.2.3 (git 2.39.1) at 2026-06-01 04:50:02 +0000