shift GraphicsDevice's complex initialization to a new Initialize() method

src/framework/basegameapp.cpp

@@ -92,8 +92,9 @@ BOOL BaseGameApp::Initialize(GameWindowParams *windowParams)
 		return FALSE;
 	}
 
-	m_graphics = new GraphicsDevice(m_window);
+	m_graphics = new GraphicsDevice();
 	ASSERT(m_graphics != NULL);
+	m_graphics->Initialize(m_window);
 
 	m_content = new ContentManager(this);
 	ASSERT(m_content != NULL);

src/framework/graphics/graphicsdevice.cpp

@@ -42,20 +42,47 @@
 const unsigned int MAX_BOUND_TEXTURES = 8;
 const unsigned int MAX_GPU_ATTRIB_SLOTS = 8; 
 
-GraphicsDevice::GraphicsDevice(GameWindow *window)
+GraphicsDevice::GraphicsDevice()
 {
 	STACK_TRACE;
 	m_hasNewContextRunYet = FALSE;
-	
 	m_boundVertexBuffer = NULL;
 	m_boundIndexBuffer = NULL;
 	m_boundShader = NULL;
 	m_shaderVertexAttribsSet = FALSE;
-	
+	m_boundTextures = NULL;
-	m_boundTextures = new const Texture*[MAX_BOUND_TEXTURES];
 	m_boundFramebuffer = NULL;
 	m_boundRenderbuffer = NULL;
+	m_activeViewContext = NULL;
+	m_defaultViewContext = NULL;
+	m_debugRenderer = NULL;
+	m_solidColorTextures = NULL;
+	m_simpleColorShader = NULL;
+	m_simpleColorTextureShader = NULL;
+	m_simpleTextureShader = NULL;
+	m_simpleTextureVertexLerpShader = NULL;
+	m_simpleTextureVertexSkinningShader = NULL;
+	m_sprite2dShader = NULL;
+	m_sprite3dShader = NULL;
+	m_debugShader = NULL;
+	m_isDepthTextureSupported = FALSE;
+	m_isNonPowerOfTwoTextureSupported = FALSE;
+	m_window = NULL;
+}
 
+BOOL GraphicsDevice::Initialize(GameWindow *window)
+{
+	STACK_TRACE;
+	ASSERT(m_window == NULL);
+	if (m_window != NULL)
+		return FALSE;
+	
+	ASSERT(window != NULL);
+	if (window == NULL)
+		return FALSE;
+	
+	m_hasNewContextRunYet = FALSE;
+	m_boundTextures = new const Texture*[MAX_BOUND_TEXTURES];
 	m_enabledVertexAttribIndices.reserve(MAX_GPU_ATTRIB_SLOTS);
 
 #ifdef MOBILE
@@ -73,28 +100,18 @@ GraphicsDevice::GraphicsDevice(GameWindow *window)
 	
 	m_window = window;
 
-	m_activeViewContext = NULL;
 	m_defaultViewContext = new ViewContext();
 	m_defaultViewContext->Create(this);
 	m_activeViewContext = m_defaultViewContext;
 	
 	m_currentTextureParams = TEXPARAM_DEFAULT;
 	
-	m_debugRenderer = NULL;
-
 	m_solidColorTextures = new SolidColorTextureCache(this);
 	
-	m_simpleColorShader = NULL;
+	return TRUE;
-	m_simpleColorTextureShader = NULL;
-	m_simpleTextureShader = NULL;
-	m_simpleTextureVertexLerpShader = NULL;
-	m_simpleTextureVertexSkinningShader = NULL;
-	m_sprite2dShader = NULL;
-	m_sprite3dShader = NULL;
-	m_debugShader = NULL;
 }
 
-GraphicsDevice::~GraphicsDevice()
+void GraphicsDevice::Release()
 {
 	STACK_TRACE;
 	SAFE_DELETE(m_defaultViewContext);
@@ -109,6 +126,20 @@ GraphicsDevice::~GraphicsDevice()
 	SAFE_DELETE(m_sprite3dShader);
 	SAFE_DELETE(m_debugShader);
 	SAFE_DELETE_ARRAY(m_boundTextures);
+	m_enabledVertexAttribIndices.clear();
+	m_managedResources.clear();
+	
+	m_hasNewContextRunYet = FALSE;
+	m_boundVertexBuffer = NULL;
+	m_boundIndexBuffer = NULL;
+	m_boundShader = NULL;
+	m_shaderVertexAttribsSet = FALSE;
+	m_boundFramebuffer = NULL;
+	m_boundRenderbuffer = NULL;
+	m_activeViewContext = NULL;
+	m_isDepthTextureSupported = FALSE;
+	m_isNonPowerOfTwoTextureSupported = FALSE;
+	m_window = NULL;
 }
 
 SimpleColorShader* GraphicsDevice::GetSimpleColorShader()

src/framework/graphics/graphicsdevice.h

@@ -43,14 +43,21 @@ typedef stl::vector<uint32_t> EnabledVertexAttribList;
 class GraphicsDevice
 {
 public:
+	GraphicsDevice();
+	virtual ~GraphicsDevice()                                                   { Release(); }
+	
 	/**
-	 * Creates a graphics device object based on a parent window that is
+	 * Releases all resources associated with this object.
+	 */
+	void Release();
+	
+	/**
+	 * Initializes the graphics device object based on a parent window that is
 	 * hosting the OpenGL context.
 	 * @param window a window with an active OpenGL context associated with it
+	 * @return TRUE if successful, FALSE if not
 	 */
-	GraphicsDevice(GameWindow *window);
+	BOOL Initialize(GameWindow *window);
-
-	virtual ~GraphicsDevice();
 
 	/**
 	 * New OpenGL graphics context creation callback.