Add overrideSupportedDevicesCount helper function

Change-Id: I3ae4a7534322956eda894b097e8a74cb9fb050e3
Signed-off-by: Maciej Dziuban <maciej.dziuban@intel.com>

shared/source/helpers/CMakeLists.txt

@@ -81,6 +81,7 @@ set(NEO_CORE_HELPERS
   ${CMAKE_CURRENT_SOURCE_DIR}/surface_format_info.h
   ${CMAKE_CURRENT_SOURCE_DIR}/timestamp_packet.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/timestamp_packet.h
+  ${CMAKE_CURRENT_SOURCE_DIR}${BRANCH_DIR_SUFFIX}/timestamp_packet_extra.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/vec.h
   ${CMAKE_CURRENT_SOURCE_DIR}/definitions/pipe_control_args_base.h
   ${CMAKE_CURRENT_SOURCE_DIR}/definitions${BRANCH_DIR_SUFFIX}/pipe_control_args.h

shared/source/helpers/timestamp_packet.h

@@ -118,6 +118,8 @@ struct TimestampPacketHelper {
         return timestampPacketNode.getGpuAddress() + offsetof(TimestampPacketStorage, implicitGpuDependenciesCount);
     }
 
+    static void overrideSupportedDevicesCount(uint32_t &numSupportedDevices);
+
     template <typename GfxFamily>
     static void programSemaphoreWithImplicitDependency(LinearStream &cmdStream, TagNode<TimestampPacketStorage> &timestampPacketNode, uint32_t numSupportedDevices) {
         using MI_ATOMIC = typename GfxFamily::MI_ATOMIC;
@@ -139,6 +141,8 @@ struct TimestampPacketHelper {
         }
 
         if (trackPostSyncDependencies) {
+            overrideSupportedDevicesCount(numSupportedDevices);
+
             for (uint32_t i = 0; i < numSupportedDevices; i++) {
                 timestampPacketNode.incImplicitCpuDependenciesCount();
             }

shared/source/helpers/timestamp_packet_extra.cpp

@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2020 Intel Corporation
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ */
+
+#include "shared/source/helpers/timestamp_packet.h"
+
+namespace NEO {
+void TimestampPacketHelper::overrideSupportedDevicesCount(uint32_t &numSupportedDevices) {
+}
+} // namespace NEO