When VMASK is used (PS), pass this info to vISA so that

vISA can read VMASK instead of DMASK (default).

Change-Id: I87fddf51fcdce81738e5520d04f9ee21f34d9443

Author: jgu222

IGC/Compiler/CISACodeGen/CISABuilder.cpp

@@ -4218,6 +4218,11 @@ namespace IGC
         SaveOption(vISA_EmitLocation, true);
     }
 
+    if (context->type == ShaderType::PIXEL_SHADER && static_cast<CPixelShader*>(m_program)->NeedVMask())
+    {
+        SaveOption(vISA_VME, true);
+    }
+
     // Enable SendFusion for SIMD8
     // TODO: Re-enable SendFusion when VMask is enabled. The hardware should support this, but
     //  more investigation needs to be done on whether simply replacing sr0.2 with sr0.3 is enough.

visa/include/VISAOptions.def

@@ -87,6 +87,7 @@ DEF_VISA_OPTION(vISA_foldEOTtoPrevSend,     ET_BOOL, "-foldEOT",         UNUSED,
 DEF_VISA_OPTION(vISA_hasRNEandDenorm,       ET_BOOL, "-hasRNEandDenorm", UNUSED, false)
 DEF_VISA_OPTION(vISA_forceNoFP64bRegioning, ET_BOOL, "-noFP64bRegion",   UNUSED, false)
 DEF_VISA_OPTION(vISA_alignBindlessSampler,  ET_BOOL, "-alignBS",         UNUSED, false)
+DEF_VISA_OPTION(vISA_VME,                   ET_BOOL, "-vme",             UNUSED, false)
 
 //=== RA options ===
 DEF_VISA_OPTION(vISA_RoundRobin,            ET_BOOL, "-noroundrobin",    UNUSED, true)