P4 to Git Change 2058803 by gandryey@gera-win10 on 2020/01/17 15:47:42

SWDEV-219901 - [OCL-ROCr]Add pitch workaround for Navi10
	- Add pitch workaroud. Allocate a native image as the backing store and perform double copy when necessary

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#149 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.hpp#48 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocmemory.cpp#46 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocmemory.hpp#16 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocsettings.cpp#47 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocsettings.hpp#19 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.cpp#95 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.hpp#31 edit

rocclr/runtime/device/rocm/rocdevice.cpp

@@ -969,6 +969,10 @@ Sampler::~Sampler() {
   hsa_ext_sampler_destroy(dev_.getBackendDevice(), hsa_sampler);
 }
 
+Memory* Device::getGpuMemory(amd::Memory* mem) const {
+  return static_cast<roc::Memory*>(mem->getDeviceMemory(*this));
+}
+
 bool Device::populateOCLDeviceConstants() {
   info_.available_ = true;