P4 to Git Change 1789157 by vsytchen@vsytchen-remote-ocl-win10 on 2019/05/29 16:23:11

SWDEV-185452 - Offline compilation failing on a VM, producing error CL_PLATFORM_NOT_FOUND_KHR

	1. Don't load a platform if there are no devices available for it. If there is no platform that has visible devices, only allow the PAL platform to load.

	ReviewBoardURL = http://ocltc.amd.com/reviews/r/17419/diff/

Affected files ...

... //depot/stg/opencl/drivers/opencl/api/opencl/amdocl/cl_icd.cpp#34 edit
... //depot/stg/opencl/drivers/opencl/runtime/utils/flags.cpp#19 edit
... //depot/stg/opencl/drivers/opencl/runtime/utils/flags.hpp#309 edit

rocclr/runtime/utils/flags.cpp

@@ -66,6 +66,13 @@ namespace amd {
 #endif  // __APPLE__
 
 bool IS_HIP = false;
+
+#if defined(WITH_GPU_DEVICE)
+bool IS_LEGACY = true;
+#else
+bool IS_LEGACY = false;
+#endif
+
 // static
 char* Flag::envstr_;