P4 to Git Change 1210047 by wchau@wchau_WINDOWS7_OCL on 2015/11/11 13:06:48

SWDEV-80450 - Fix the issue of app context reference count > 0 after app termination by using device context for the mapped buffer/image resource.

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpudevice.hpp#155 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/gpu/gpumemory.cpp#123 edit

rocclr/runtime/device/gpu/gpudevice.hpp

@@ -467,6 +467,9 @@ public:
     //! Gets the GPU resource associated with the global heap
     const Memory& globalMem() const { return heap_.resource(); }
 
+    //! Gets the device context object
+    amd::Context& context() const { return *context_; }
+
     //! Gets the global heap object
     const Heap& heap() const { return heap_; }
 

rocclr/runtime/device/gpu/gpumemory.cpp

@@ -900,8 +900,8 @@ Memory::allocMapTarget(
 
             if (memory == NULL) {
                 // for map target of svm buffer , we need use svm host ptr
-                memory = new(owner()->getContext())
-                    amd::Buffer(owner()->getContext(), flag, owner()->getSize());
+                memory = new(dev().context())
+                    amd::Buffer(dev().context(), flag, owner()->getSize());
                 Memory* gpuMemory;
 
                 do {
@@ -1242,8 +1242,8 @@ Image::allocMapTarget(
                 // Allocate a new buffer to use as the map target
                 //! @note Allocate a 1D buffer, since CAL issues with 3D
                 //! Also HW doesn't support untiled images
-                memory = new (owner()->getContext())
-                    amd::Buffer(owner()->getContext(), 0,
+                memory = new (dev().context())
+                    amd::Buffer(dev().context(), 0,
                     cal()->width_ * height * depth * elementSize());
                 memory->setVirtualDevice(owner()->getVirtualDevice());