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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-01-21 15:47:44 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-01-21 15:56:16 +0100
commit8dd8df90b968ec9429bffd1dd8ae0299531a47d4 (patch)
tree7726d8b28355eb180517a391519f0dd9b5ed6ad3 /gfx/layers/Effects.h
parent87bef3e99e30c47435b7dff37c098c9d99965d22 (diff)
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Check for contiguous buffer state.
When we are reading large image data (i.e.: people using webp to stream video instead of the native webm format; I'm looking at you, Giphy!) we can run into the situation where the available data is not in a contiguous buffer, and we need to either buffer additional data or re-buffer from the start. If we don't do this, we can run into issues because of buffer over-reading (causing corrupted data if allocated or more likely crashes if not allocated). Re-buffering is expensive, but this should be rare and limited to dealing with unintended use for animated image formats. This resolves #940.
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