Enable initial sRGB support

Instead of using the sampler field force_degamma to perform sRGB->linear conversion during pixel sampling, we use an appropriate image format instead. The overhead of this is having to create an image view when creating a texture object from an array.

Change-Id: I1ca368c312c1fd4b6f784a3a1b35b5eeb28070ff

vdi/hip_memory.cpp

@@ -545,7 +545,7 @@ hipError_t ihipArrayCreate(hipArray** array,
     return hipErrorNotSupported;
   }
 
-  const cl_channel_order channelOrder = hip::getCLChannelOrder(pAllocateArray->NumChannels);
+  const cl_channel_order channelOrder = hip::getCLChannelOrder(pAllocateArray->NumChannels, 0);
   const cl_channel_type channelType = hip::getCLChannelType(pAllocateArray->Format, hipReadModeElementType);
   const cl_mem_object_type imageType = hip::getCLMemObjectType(pAllocateArray->Width,
                                                                pAllocateArray->Height,