Assigning different buffer type for constant buffers and resources

Change-Id: I39fb0583478312216086618e8e876b1d75396aa6

Author: srividyakarumuri

IGC/Compiler/CISACodeGen/ConstantCoalescing.cpp

@@ -431,7 +431,7 @@ void ConstantCoalescing::ProcessBlock(
             unsigned int bufId = 0;
             BufferType bufType = DecodeAS4GFXResource(
                 ldRaw->getResourceValue()->getType()->getPointerAddressSpace(), directIdx, bufId);
-            if (bufType != BINDLESS_READONLY)
+            if ((bufType != BINDLESS_CONSTANT_BUFFER) && (bufType != BINDLESS_TEXTURE))
             {
                 continue;
             }

IGC/Compiler/CISACodeGen/helper.cpp

@@ -127,9 +127,15 @@ namespace IGC
         temp.u32Val = addressSpaceOfPtr;
 
         // Mark buffer as it is bindless for further processing
-        if (bufferType == BufferType::RESOURCE ||
-            bufferType == BufferType::CONSTANT_BUFFER ||
-            bufferType == BufferType::UAV)
+        if (bufferType == BufferType::RESOURCE)
+        {
+            temp.bits.bufType = IGC::BINDLESS_TEXTURE + 1;
+        }
+        if (bufferType == BufferType::CONSTANT_BUFFER)
+        {
+            temp.bits.bufType = IGC::BINDLESS_CONSTANT_BUFFER + 1;
+        }
+        if(bufferType == BufferType::UAV)
         {
             temp.bits.bufType = IGC::BINDLESS + 1;
         }
@@ -524,7 +530,8 @@ namespace IGC
         {
         case BufferType::CONSTANT_BUFFER:
         case BufferType::RESOURCE:
-        case BufferType::BINDLESS_READONLY:
+        case BufferType::BINDLESS_TEXTURE:
+        case BufferType::BINDLESS_CONSTANT_BUFFER:
         case BufferType::STATELESS_READONLY:
         case BufferType::SAMPLER:
             return BufferAccessType::ACCESS_READ;

IGC/Compiler/CISACodeGen/helper.h

@@ -201,7 +201,7 @@ namespace IGC
 
     inline bool IsBindless(BufferType t)
     {
-        return t == BINDLESS || t == BINDLESS_READONLY;
+        return t == BINDLESS || t == BINDLESS_CONSTANT_BUFFER || t == BINDLESS_TEXTURE;
     }
 
     bool IsUnsignedCmp(const llvm::CmpInst::Predicate Pred);

IGC/Compiler/CodeGenPublicEnums.h

@@ -104,7 +104,8 @@ namespace IGC
         SLM,
         POINTER,
         BINDLESS,
-        BINDLESS_READONLY,
+        BINDLESS_CONSTANT_BUFFER,
+        BINDLESS_TEXTURE,
         SAMPLER,
         BINDLESS_SAMPLER,
         RENDER_TARGET,