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ocl: multi-threading: opencl buffer memory guard

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This commit is contained in:
Alexander Alekhin
2013-11-22 14:38:12 +04:00
parent 96a4a7b339
commit d650efc069
1 changed files with 11 additions and 4 deletions
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15
modules/ocl/src/cl_operations.cpp
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@@ -192,6 +192,7 @@ void openCLMallocPitchEx(Context *ctx, void **dev_ptr, size_t *pitch,
clFinish(getClCommandQueue(ctx));
#endif
CheckBuffers data(mainBuffer, size, widthInBytes, height);
cv::AutoLock lock(getInitializationMutex());
__check_buffers.insert(std::pair<cl_mem, CheckBuffers>((cl_mem)*dev_ptr, data));
}
#endif
@@ -253,10 +254,17 @@ void openCLFree(void *devPtr)
bool failBefore = false, failAfter = false;
#endif
CheckBuffers data;
std::map<cl_mem, CheckBuffers>::iterator i = __check_buffers.find((cl_mem)devPtr);
if (i != __check_buffers.end())
{
data = i->second;
cv::AutoLock lock(getInitializationMutex());
std::map<cl_mem, CheckBuffers>::iterator i = __check_buffers.find((cl_mem)devPtr);
if (i != __check_buffers.end())
{
data = i->second;
__check_buffers.erase(i);
}
}
if (data.mainBuffer != NULL)
{
#ifdef CHECK_MEMORY_CORRUPTION
Context* ctx = Context::getContext();
std::vector<uchar> checkBefore(__memory_corruption_guard_bytes);
@@ -286,7 +294,6 @@ void openCLFree(void *devPtr)
clFinish(getClCommandQueue(ctx));
#endif
openCLSafeCall(clReleaseMemObject(data.mainBuffer));
__check_buffers.erase(i);
}
#if defined(CHECK_MEMORY_CORRUPTION)
if (failBefore)