Prepare for pool buffer enabling 1/n

check if flags allow buffer from pool
add buffer offset to aubtests
disable pool buffer where required

Related-To: NEO-7332

Signed-off-by: Dominik Dabek <dominik.dabek@intel.com>

opencl/source/context/CMakeLists.txt

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2018-2020 Intel Corporation
+# Copyright (C) 2018-2022 Intel Corporation
 #
 # SPDX-License-Identifier: MIT
 #
@@ -12,6 +12,7 @@ set(RUNTIME_SRCS_CONTEXT
     ${CMAKE_CURRENT_SOURCE_DIR}/context_type.h
     ${CMAKE_CURRENT_SOURCE_DIR}/driver_diagnostics.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/driver_diagnostics.h
+    ${CMAKE_CURRENT_SOURCE_DIR}${BRANCH_DIR_SUFFIX}pool_buffer_additional_checks.cpp
 )
 
 target_sources(${NEO_STATIC_LIB_NAME} PRIVATE ${RUNTIME_SRCS_CONTEXT})

opencl/source/context/context.cpp

@@ -502,6 +502,7 @@ Buffer *Context::BufferPoolAllocator::allocateBufferFromPool(const MemoryPropert
     errcodeRet = CL_MEM_OBJECT_ALLOCATION_FAILURE;
     if (this->isAggregatedSmallBuffersEnabled() &&
         this->isSizeWithinThreshold(size) &&
+        this->flagsAllowBufferFromPool(flags, flagsIntel) &&
         this->mainStorage) {
         auto lock = std::unique_lock<std::mutex>(this->mutex);
         cl_buffer_region bufferRegion{};

opencl/source/context/context.h

@@ -71,6 +71,8 @@ class Context : public BaseObject<_cl_context> {
 
         bool isPoolBuffer(const MemObj *buffer) const;
 
+        bool flagsAllowBufferFromPool(const cl_mem_flags &flags, const cl_mem_flags_intel &flagsIntel) const;
+
       protected:
         inline bool isSizeWithinThreshold(size_t size) const {
             return BufferPoolAllocator::smallBufferThreshold >= size;

opencl/source/context/pool_buffer_additional_checks.cpp

@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2022 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "opencl/source/context/context.h"
+
+namespace NEO {
+bool Context::BufferPoolAllocator::flagsAllowBufferFromPool(const cl_mem_flags &flags, const cl_mem_flags_intel &flagsIntel) const {
+    return true;
+}
+
+} // namespace NEO