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[Lang] Fix fast_gui rgba format bug #5031

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merged 1 commit into from
May 23, 2022
+3 −2
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[Lang] Fix fast_gui rgba format bug #5031

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5 changes: 3 additions & 2 deletions python/taichi/_kernels.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,10 +71,11 @@ def vector_to_fast_image(img: template(), out: ndarray_type.ndarray()):
r, g, b = 0, 0, 0
color = img[i, img.shape[1] - 1 - j]
if static(img.dtype in [f16, f32, f64]):
r, g, b = min(255, max(0, int(color * 255)))
r, g, b = min(255, max(0, int(color * 255)))[:3]
else:
static_assert(img.dtype == u8)
r, g, b = color
r, g, b = color[:3]

idx = j * img.shape[0] + i
# We use i32 for |out| since OpenGL and Metal doesn't support u8 types
if static(get_os_name() != 'osx'):
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