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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 c5558b3ccd
commit 5cb1251222
1 changed files with 2 additions and 4 deletions
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6
intern/cycles/render/image.cpp
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@ -585,8 +585,7 @@ 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,
@ -694,8 +693,7 @@ 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,