Add OsContext class in shared code

Change-Id: If5aea2126abe1b892068af9ca53e7f448e5b85a6

runtime/os_interface/CMakeLists.txt

@@ -26,6 +26,7 @@ set(RUNTIME_SRCS_OS_INTERFACE_BASE
   ${CMAKE_CURRENT_SOURCE_DIR}/debug_settings_manager.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/debug_settings_manager.h
   ${CMAKE_CURRENT_SOURCE_DIR}/device_factory.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/os_context.h
   ${CMAKE_CURRENT_SOURCE_DIR}/os_inc_base.h
   ${CMAKE_CURRENT_SOURCE_DIR}/os_interface.h
   ${CMAKE_CURRENT_SOURCE_DIR}/os_library.h

runtime/os_interface/linux/CMakeLists.txt

@@ -45,13 +45,14 @@ set(RUNTIME_SRCS_OS_INTERFACE_LINUX
   ${CMAKE_CURRENT_SOURCE_DIR}/drm_null_device.h
   ${CMAKE_CURRENT_SOURCE_DIR}/hw_info_config.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/linux_inc.cpp
-  ${CMAKE_CURRENT_SOURCE_DIR}/os_thread_linux.cpp
-  ${CMAKE_CURRENT_SOURCE_DIR}/os_thread_linux.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/os_context_linux.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/os_inc.h
   ${CMAKE_CURRENT_SOURCE_DIR}/os_interface.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/os_interface.h
   ${CMAKE_CURRENT_SOURCE_DIR}/os_library.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/os_library.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/os_thread_linux.cpp
+  ${CMAKE_CURRENT_SOURCE_DIR}/os_thread_linux.h
   ${CMAKE_CURRENT_SOURCE_DIR}/os_time_linux.cpp
   ${CMAKE_CURRENT_SOURCE_DIR}/os_time_linux.h
   ${CMAKE_CURRENT_SOURCE_DIR}/performance_counters_linux.cpp

runtime/os_interface/linux/os_context_linux.cpp

@@ -0,0 +1,32 @@
+/*
+* Copyright (c) 2018, Intel Corporation
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+* OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "runtime/os_interface/os_context.h"
+
+namespace OCLRT {
+class OsContext::OsContextImpl {};
+OsContext::OsContext(OSInterface &osInterface) {
+    osContextImpl = std::make_unique<OsContext::OsContextImpl>();
+}
+
+OsContext::~OsContext() = default;
+} // namespace OCLRT

runtime/os_interface/os_context.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2018, Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+#include <memory>
+namespace OCLRT {
+class OSInterface;
+class OsContext {
+  public:
+    class OsContextImpl;
+    OsContext(OSInterface &osInterface);
+    ~OsContext();
+    OsContextImpl *get() const {
+        return osContextImpl.get();
+    };
+
+  protected:
+    std::unique_ptr<OsContextImpl> osContextImpl;
+};
+} // namespace OCLRT

runtime/os_interface/windows/os_context_win.cpp

@@ -23,20 +23,29 @@
 #include "runtime/os_interface/windows/os_context_win.h"
 #include "runtime/os_interface/windows/wddm/wddm.h"
 #include "runtime/os_interface/windows/wddm/wddm_interface.h"
+#include "runtime/os_interface/windows/os_interface.h"
 
 namespace OCLRT {
-OsContextWin::OsContextWin(Wddm &wddm) : wddm(wddm) {
+
+OsContextWin::OsContextImpl(Wddm &wddm) : wddm(wddm) {
     auto wddmInterface = wddm.getWddmInterface();
-    if (!wddm.createContext(context))
+    if (!wddmInterface) {
         return;
+    }
+    if (!wddm.createContext(context)) {
+        return;
+    }
     if (wddmInterface->hwQueuesSupported()) {
-        if (!wddmInterface->createHwQueue(wddm.getPreemptionMode(), *this))
+        if (!wddmInterface->createHwQueue(wddm.getPreemptionMode(), *this)) {
             return;
+        }
     }
     initialized = wddmInterface->createMonitoredFence(*this);
 };
-OsContextWin::~OsContextWin() {
-    wddm.getWddmInterface()->destroyHwQueue(hwQueueHandle);
+OsContextWin::~OsContextImpl() {
+    if (wddm.getWddmInterface()) {
+        wddm.getWddmInterface()->destroyHwQueue(hwQueueHandle);
+    }
     wddm.destroyContext(context);
 }
 
@@ -47,4 +56,10 @@ void OsContextWin::resetMonitoredFenceParams(D3DKMT_HANDLE &handle, uint64_t *cp
     monitoredFence.cpuAddress = cpuAddress;
     monitoredFence.gpuAddress = gpuAddress;
 }
+
+OsContext::OsContext(OSInterface &osInterface) {
+    osContextImpl = std::make_unique<OsContextWin>(*osInterface.get()->getWddm());
+}
+OsContext::~OsContext() = default;
+
 } // namespace OCLRT

runtime/os_interface/windows/os_context_win.h

@@ -21,18 +21,20 @@
  */
 
 #pragma once
+#include "runtime/os_interface/os_context.h"
 #include "runtime/os_interface/windows/windows_wrapper.h"
 #include "runtime/os_interface/windows/windows_defs.h"
 #include <d3dkmthk.h>
 
 namespace OCLRT {
-class Wddm;
 
-class OsContextWin {
+class Wddm;
+using OsContextWin = OsContext::OsContextImpl;
+class OsContext::OsContextImpl {
   public:
-    OsContextWin() = delete;
-    OsContextWin(Wddm &wddm);
-    ~OsContextWin();
+    OsContextImpl() = delete;
+    OsContextImpl(Wddm &wddm);
+    ~OsContextImpl();
     D3DKMT_HANDLE getContext() const {
         return context;
     }

runtime/os_interface/windows/wddm/wddm.h

@@ -21,6 +21,7 @@
  */
 
 #pragma once
+#include "runtime/os_interface/os_context.h"
 #include "runtime/os_interface/windows/windows_wrapper.h"
 #include "runtime/os_interface/windows/windows_defs.h"
 #include "runtime/os_interface/windows/wddm/wddm_interface.h"
@@ -45,11 +46,12 @@ class Gdi;
 class Gmm;
 class LinearStream;
 class GmmPageTableMngr;
-class OsContextWin;
 struct FeatureTable;
 struct WorkaroundTable;
 struct KmDafListener;
 
+using OsContextWin = OsContext::OsContextImpl;
+
 enum class WddmInterfaceVersion {
     Wddm20 = 20,
     Wddm23 = 23,

runtime/os_interface/windows/wddm/wddm_interface.h

@@ -20,6 +20,7 @@
 * OTHER DEALINGS IN THE SOFTWARE.
 */
 #pragma once
+#include "runtime/os_interface/os_context.h"
 #include "runtime/os_interface/windows/windows_wrapper.h"
 #include <d3dkmthk.h>
 #include <cstdint>
@@ -27,8 +28,10 @@
 
 namespace OCLRT {
 class Gdi;
-class OsContextWin;
 class Wddm;
+
+using OsContextWin = OsContext::OsContextImpl;
+
 class WddmInterface {
   public:
     WddmInterface(Wddm &wddm) : wddm(wddm){};