Class CMainApplication

samples/hellovr_vulkan/hellovr_vulkan_main.cpp:107–320

----------------------------------------------------------------------------- Purpose: ------------------------------------------------------------------------------

// Purpose:
//------------------------------------------------------------------------------
class CMainApplication
{
public:
	CMainApplication( int argc, char *argv[] );
	virtual ~CMainApplication();

	bool BInit();
	bool BInitVulkan();
	bool BInitVulkanInstance();
	bool BInitVulkanDevice();
	bool BInitVulkanSwapchain();
	bool BInitCompositor();
	bool GetVulkanInstanceExtensionsRequired( std::vector< std::string > &outInstanceExtensionList );
	bool GetVulkanDeviceExtensionsRequired( VkPhysicalDevice pPhysicalDevice, std::vector< std::string > &outDeviceExtensionList );

	void SetupRenderModels();

	void Shutdown();

	void RunMainLoop();
	bool HandleInput();
	void ProcessVREvent( const vr::VREvent_t & event );
	void RenderFrame();

	bool SetupTexturemaps();
	static void GenMipMapRGBA( const uint8_t *pSrc, uint8_t *ppDst, int nSrcWidth, int nSrcHeight, int *pDstWidthOut, int *pDstHeightOut );

	void SetupScene();
	void AddCubeToScene( Matrix4 mat, std::vector<float> &vertdata );
	void AddCubeVertex( float fl0, float fl1, float fl2, float fl3, float fl4, std::vector<float> &vertdata );

	void UpdateControllerAxes();

	bool SetupStereoRenderTargets();
	void SetupCompanionWindow();
	void SetupCameras();

	void RenderStereoTargets();
	void RenderCompanionWindow();
	void RenderScene( vr::Hmd_Eye nEye );

	Matrix4 GetHMDMatrixProjectionEye( vr::Hmd_Eye nEye );
	Matrix4 GetHMDMatrixPoseEye( vr::Hmd_Eye nEye );
	Matrix4 GetCurrentViewProjectionMatrix( vr::Hmd_Eye nEye );
	void UpdateHMDMatrixPose();

	Matrix4 ConvertSteamVRMatrixToMatrix4( const vr::HmdMatrix34_t &matPose );

	bool CreateAllShaders();
	void CreateAllDescriptorSets();

	void SetupRenderModelForTrackedDevice( vr::TrackedDeviceIndex_t unTrackedDeviceIndex );
	VulkanRenderModel *FindOrLoadRenderModel( vr::TrackedDeviceIndex_t unTrackedDeviceIndex, const char *pchRenderModelName );

private: 
	bool m_bDebugVulkan;
	bool m_bVerbose;
	bool m_bPerf;