Add device error checking utility functions.

src/libGLESv2/main.cpp

@@ -7,6 +7,7 @@
 // main.cpp: DLL entry point and management of thread-local data.
 
 #include "libGLESv2/main.h"
+#include "libGLESv2/utilities.h"
 
 #include "common/debug.h"
 #include "libEGL/Surface.h"
@@ -106,6 +107,17 @@ IDirect3DDevice9 *getDevice()
 
     return display->getDevice();
 }
+
+bool checkDeviceLost(HRESULT errorCode)
+{
+    egl::Display *display = NULL;
+
+    if (isDeviceLostError(errorCode))
+    {
+        return true;
+    }
+    return false;
+}
 }
 
 // Records an error code

src/libGLESv2/main.h

@@ -32,6 +32,8 @@ Context *getContext();
 egl::Display *getDisplay();
 
 IDirect3DDevice9 *getDevice();
+
+bool checkDeviceLost(HRESULT errorCode);
 }
 
 void error(GLenum errorCode);

src/libGLESv2/utilities.h

@@ -87,4 +87,18 @@ GLenum ConvertDepthStencilFormat(D3DFORMAT format);
 std::string getTempPath();
 void writeFile(const char* path, const void* data, size_t size);
 
+inline bool isDeviceLostError(HRESULT errorCode)
+{
+    switch (errorCode)
+    {
+      case D3DERR_DRIVERINTERNALERROR:
+      case D3DERR_DEVICELOST:
+      case D3DERR_DEVICEHUNG:
+      case D3DERR_DEVICEREMOVED:
+        return true;
+      default:
+        return false;
+    }
+};
+
 #endif  // LIBGLESV2_UTILITIES_H