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software/scaling/context: allocate the output if it's empty

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meh 2015-06-08 15:52:45 +02:00
parent c7ec5a8117
commit 2439e67fd0
1 changed files with 6 additions and 0 deletions
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6
src/software/scaling/context.rs
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@ -100,6 +100,12 @@ impl Context {
if input.format() != self.input.format || input.width() != self.input.width || input.height() != self.input.height { if input.format() != self.input.format || input.width() != self.input.width || input.height() != self.input.height {
return Err(Error::InputChanged); return Err(Error::InputChanged);
} }
unsafe {
if output.is_empty() {
output.alloc(self.output.format, self.output.width, self.output.height);
}
}
if output.format() != self.output.format || output.width() != self.output.width || output.height() != self.output.height { if output.format() != self.output.format || output.width() != self.output.width || output.height() != self.output.height {
return Err(Error::OutputChanged); return Err(Error::OutputChanged);