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Fix T49417: Cycles crash - can't use 5 Gigabyte Tile EXR texture file

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Was an integer overflow issue when calculating offsets.
This commit is contained in:
Sergey Sharybin
2016-09-22 17:30:31 +02:00
parent 4e031073df
commit d84c55f0fa
1 changed files with 2 additions and 4 deletions
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6
intern/cycles/render/image.cpp
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@@ -587,8 +587,7 @@ bool ImageManager::file_load_float_image(Image *img, ImageDataType type, device_
}
if(depth <= 1) {
int scanlinesize = width*components*sizeof(float);
size_t scanlinesize = ((size_t)width)*components*sizeof(float);
in->read_image(TypeDesc::FLOAT,
(uchar*)readpixels + (height-1)*scanlinesize,
AutoStride,
@@ -696,8 +695,7 @@ bool ImageManager::file_load_half_image(Image *img, ImageDataType type, device_v
}
if(depth <= 1) {
int scanlinesize = width*components*sizeof(half);
size_t scanlinesize = ((size_t)width)*components*sizeof(half);
in->read_image(TypeDesc::HALF,
(uchar*)readpixels + (height-1)*scanlinesize,
AutoStride,