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Ensure only one StaySequential operation per pipeline

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This should reduce memory consumption for more complex pipelines
that combine multiple operations without sequential access support
e.g. flip and Gaussian blur.
This commit is contained in:
Lovell Fuller 2024-04-19 11:27:51 +01:00
parent 397ee492d9
commit 3e8a0fc522
1 changed files with 4 additions and 2 deletions
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6
src/common.cc
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@ -1082,8 +1082,10 @@ namespace sharp {
Ensure decoding remains sequential.
*/
VImage StaySequential(VImage image, VipsAccess access, bool condition) {
if (access == VIPS_ACCESS_SEQUENTIAL && condition) {
return image.copy_memory();
static const char* meta = "sharp-copy-memory";
if (access == VIPS_ACCESS_SEQUENTIAL && condition && image.get_typeof(meta) != G_TYPE_INT) {
image = image.copy_memory();
image.set(meta, 1);
}
return image;
}