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Compositor: Use atomics to update finished tiles progress

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Integer is not safe for incremental by multiple threads and if one is unlucky
enough that could cause progress re[reports to go totally nuts.
This commit is contained in:
Sergey Sharybin
2015-06-11 10:23:52 +02:00
parent bb5e46f105
commit a6803bf564
3 changed files with 5 additions and 1 deletions
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4
source/blender/compositor/intern/COM_ExecutionGroup.cpp
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@@ -44,6 +44,8 @@
#include "WM_api.h"
#include "WM_types.h"
#include "atomic_ops.h"
ExecutionGroup::ExecutionGroup()
{
this->m_isOutput = false;
@@ -382,7 +384,7 @@ void ExecutionGroup::finalizeChunkExecution(int chunkNumber, MemoryBuffer **memo
if (this->m_chunkExecutionStates[chunkNumber] == COM_ES_SCHEDULED)
this->m_chunkExecutionStates[chunkNumber] = COM_ES_EXECUTED;
this->m_chunksFinished++;
atomic_add_u(&this->m_chunksFinished, 0);
if (memoryBuffers) {
for (unsigned int index = 0; index < this->m_cachedMaxReadBufferOffset; index++) {
MemoryBuffer *buffer = memoryBuffers[index];