Project GUI into space

--HG--
branch : multipass-stereo

code/nel/include/nel/3d/stereo_hmd.h

@@ -53,6 +53,9 @@ public:
 	/// Get the HMD orientation
 	virtual NLMISC::CQuat getOrientation() const = 0;
 
+	/// Set the GUI reference
+	virtual void setInterfaceMatrix(const NL3D::CMatrix &matrix) = 0;
+
 	/// Get GUI center (1 = width, 1 = height, 0 = center)
 	virtual void getInterface2DShift(uint cid, float &x, float &y, float distance) const = 0;
 	

code/nel/include/nel/3d/stereo_ovr.h

@@ -123,6 +123,9 @@ public:
 	/// Get the HMD orientation
 	virtual NLMISC::CQuat getOrientation() const;
 
+	/// Set the GUI reference
+	virtual void setInterfaceMatrix(const NL3D::CMatrix &matrix);
+
 	/// Get GUI center (1 = width, 1 = height, 0 = center)
 	virtual void getInterface2DShift(uint cid, float &x, float &y, float distance) const;
 
@@ -134,21 +137,23 @@ public:
 	/// Set the scale of the game in units per meter
 	virtual void setScale(float s);
 
+	/// Calculates internal camera information based on the reference camera
+	void initCamera(uint cid, const NL3D::UCamera *camera);
+	/// Render GUI
+	void renderGUI();
+
+	/// Checks if the device used by this class was actually created
+	bool isDeviceCreated();
 
 	static void listDevices(std::vector<CStereoDeviceInfo> &devicesOut);
 	static bool isLibraryInUse();
 	static void releaseLibrary();
 
-
-	/// Calculates internal camera information based on the reference camera
-	void initCamera(uint cid, const NL3D::UCamera *camera);
-	/// Checks if the device used by this class was actually created
-	bool isDeviceCreated();
-
 private:
 	CStereoOVRDevicePtr *m_DevicePtr;
 	int m_Stage;
 	int m_SubStage;
+	CViewport m_RegularViewport;
 	CViewport m_LeftViewport;
 	CViewport m_RightViewport;
 	CFrustum m_ClippingFrustum[NL_STEREO_MAX_USER_CAMERAS];
@@ -156,12 +161,13 @@ private:
 	CFrustum m_RightFrustum[NL_STEREO_MAX_USER_CAMERAS];
 	CFrustum m_OriginalFrustum[NL_STEREO_MAX_USER_CAMERAS];
 	CMatrix m_CameraMatrix[NL_STEREO_MAX_USER_CAMERAS];
+	CMatrix m_InterfaceCameraMatrix;
 	mutable bool m_OrientationCached;
 	mutable NLMISC::CQuat m_OrientationCache;
 	UDriver *m_Driver;
-	NLMISC::CSmartPtr<NL3D::ITexture> m_BarrelTex;
+	NL3D::CTextureUser *m_SceneTexture;
-	NL3D::CTextureUser *m_BarrelTexU;
 	NL3D::UMaterial m_BarrelMat;
+	NL3D::CTextureUser *m_GUITexture;
 	NLMISC::CQuadUV m_BarrelQuadLeft;
 	NLMISC::CQuadUV m_BarrelQuadRight;
 	NLMISC::CRefPtr<CPixelProgramOVR> m_PixelProgram;

code/nel/src/3d/stereo_ovr.cpp

@@ -169,7 +169,7 @@ public:
 	OVR::HMDInfo HMDInfo;
 };
 
-CStereoOVR::CStereoOVR(const CStereoOVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_BarrelTexU(NULL), m_PixelProgram(NULL), m_EyePosition(0.0f, 0.09f, 0.15f), m_Scale(1.0f)
+CStereoOVR::CStereoOVR(const CStereoOVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_SceneTexture(NULL), m_GUITexture(NULL), m_PixelProgram(NULL), m_EyePosition(0.0f, 0.09f, 0.15f), m_Scale(1.0f)
 {
 	++s_DeviceCounter;
 	m_DevicePtr = new CStereoOVRDevicePtr();
@@ -213,9 +213,6 @@ CStereoOVR::~CStereoOVR()
 		m_BarrelMat.getObjectPtr()->setTexture(0, NULL);
 		m_Driver->deleteMaterial(m_BarrelMat);
 	}
-	delete m_BarrelTexU;
-	m_BarrelTexU = NULL;
-	m_BarrelTex = NULL; // CSmartPtr
 
 	delete m_PixelProgram;
 	m_PixelProgram = NULL;
@@ -340,7 +337,7 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
 	{
 		m_Driver = driver;
 
-		m_BarrelTex = new CTextureBloom(); // lol bloom
+		/*m_BarrelTex = new CTextureBloom(); // lol bloom
 		m_BarrelTex->setRenderTarget(true);
 		m_BarrelTex->setReleasable(false);
 		m_BarrelTex->resize(m_DevicePtr->HMDInfo.HResolution, m_DevicePtr->HMDInfo.VResolution);
@@ -348,7 +345,7 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
 		m_BarrelTex->setWrapS(ITexture::Clamp);
 		m_BarrelTex->setWrapT(ITexture::Clamp);
 		drvInternal->setupTexture(*m_BarrelTex);
-		m_BarrelTexU = new CTextureUser(m_BarrelTex);
+		m_BarrelTexU = new CTextureUser(m_BarrelTex);*/
 
 		m_BarrelMat = m_Driver->createMaterial();
 		m_BarrelMat.initUnlit();
@@ -361,7 +358,7 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
 		barrelMat->setZWrite(false);
 		barrelMat->setZFunc(CMaterial::always);
 		barrelMat->setDoubleSided(true);
-		barrelMat->setTexture(0, m_BarrelTex);
+		// barrelMat->setTexture(0, m_BarrelTex);
 
 		m_BarrelQuadLeft.V0 = CVector(0.f, 0.f, 0.5f);
 		m_BarrelQuadLeft.V1 = CVector(0.5f, 0.f, 0.5f);
@@ -373,7 +370,7 @@ void CStereoOVR::setDriver(NL3D::UDriver *driver)
 		m_BarrelQuadRight.V2 = CVector(1.f, 1.f, 0.5f);
 		m_BarrelQuadRight.V3 = CVector(0.5f, 1.f, 0.5f);
 		
-		nlassert(!drvInternal->isTextureRectangle(m_BarrelTex)); // not allowed
+		// nlassert(!drvInternal->isTextureRectangle(m_BarrelTex)); // not allowed
 
 		m_BarrelQuadLeft.Uv0 = CUV(0.f,  0.f);
 		m_BarrelQuadLeft.Uv1 = CUV(0.5f, 0.f);
@@ -448,53 +445,59 @@ bool CStereoOVR::nextPass()
 	// Do not allow weird stuff.
 	uint32 width, height;
 	m_Driver->getWindowSize(width, height);
-	nlassert(width == m_DevicePtr->HMDInfo.HResolution);
+	// nlassert(width == m_DevicePtr->HMDInfo.HResolution);
-	nlassert(height == m_DevicePtr->HMDInfo.VResolution);
+	// nlassert(height == m_DevicePtr->HMDInfo.VResolution);
 
 	if (m_Driver->getPolygonMode() == UDriver::Filled)
 	{
-		switch (m_Stage)
+		switch (m_Stage) // Previous stage
 		{
 		case 0:
-			++m_Stage;
+			m_Stage += 2;
-			m_SubStage = 0;
-			// stage 1:
-			// (initBloom)
-			// clear buffer
-			// draw scene left
-			return true;
-		case 1:
-			++m_Stage;
 			m_SubStage = 0;
 			// stage 2:
-			// draw scene right
+			// draw interface 2d (onto render target)
 			return true;
 		case 2:
 			++m_Stage;
 			m_SubStage = 0;
 			// stage 3:
-			// (endBloom)
+			// (initBloom)
-			// draw interface 3d left
+			// clear buffer
+			// draw scene left
 			return true;
 		case 3:
 			++m_Stage;
 			m_SubStage = 0;
 			// stage 4:
-			// draw interface 3d right
+			// draw scene right
 			return true;
 		case 4:
 			++m_Stage;
 			m_SubStage = 0;
 			// stage 5:
-			// (endInterfacesDisplayBloom)
+			// (endBloom)
-			// draw interface 2d left
+			// draw interface 3d left
 			return true;
 		case 5:
 			++m_Stage;
 			m_SubStage = 0;
 			// stage 6:
-			// draw interface 2d right
+			// draw interface 3d right
 			return true;
+		/*case 6:
+			++m_Stage;
+			m_SubStage = 0;
+			// stage 7:
+			// (endInterfacesDisplayBloom)
+			// draw interface 2d left
+			return true;
+		case 7:
+			++m_Stage;
+			m_SubStage = 0;
+			// stage 8:
+			// draw interface 2d right
+			return true;*/
 		case 6:
 			m_Stage = 0;
 			m_SubStage = 0;
@@ -526,26 +529,30 @@ bool CStereoOVR::nextPass()
 
 const NL3D::CViewport &CStereoOVR::getCurrentViewport() const
 {
-	if (m_Stage % 2) return m_LeftViewport;
+	if (m_Stage == 2) return m_RegularViewport;
+	else if (m_Stage % 2) return m_LeftViewport;
 	else return m_RightViewport;
 }
 
 const NL3D::CFrustum &CStereoOVR::getCurrentFrustum(uint cid) const
 {
-	if (m_Stage % 2) return m_LeftFrustum[cid];
+	if (m_Stage == 2) return m_OriginalFrustum[cid];
+	else if (m_Stage % 2) return m_LeftFrustum[cid];
 	else return m_RightFrustum[cid];
 }
 
 void CStereoOVR::getCurrentFrustum(uint cid, NL3D::UCamera *camera) const
 {
-	if (m_Stage % 2) camera->setFrustum(m_LeftFrustum[cid]);
+	if (m_Stage == 2) camera->setFrustum(m_OriginalFrustum[cid]);
+	else if (m_Stage % 2) camera->setFrustum(m_LeftFrustum[cid]);
 	else camera->setFrustum(m_RightFrustum[cid]);
 }
 
 void CStereoOVR::getCurrentMatrix(uint cid, NL3D::UCamera *camera) const
 {
 	CMatrix translate;
-	if (m_Stage % 2) translate.translate(CVector((m_DevicePtr->HMDInfo.InterpupillaryDistance * m_Scale) * -0.5f, 0.f, 0.f));
+	if (m_Stage == 2) { }
+	else if (m_Stage % 2) translate.translate(CVector((m_DevicePtr->HMDInfo.InterpupillaryDistance * m_Scale) * -0.5f, 0.f, 0.f));
 	else translate.translate(CVector((m_DevicePtr->HMDInfo.InterpupillaryDistance * m_Scale) * 0.5f, 0.f, 0.f));
 	CMatrix mat = m_CameraMatrix[cid] * translate;
 	if (camera->getTransformMode() == NL3D::UTransformable::RotQuat)
@@ -564,7 +571,7 @@ bool CStereoOVR::wantClear()
 {
 	switch (m_Stage)
 	{
-	case 1:
+	case 3:
 		m_SubStage = 1;
 		return true;
 	}
@@ -575,8 +582,8 @@ bool CStereoOVR::wantScene()
 {
 	switch (m_Stage)
 	{
-	case 1:
+	case 3:
-	case 2:
+	case 4:
 		m_SubStage = 2;
 		return true;
 	}
@@ -587,8 +594,8 @@ bool CStereoOVR::wantInterface3D()
 {
 	switch (m_Stage)
 	{
-	case 3:
+	case 5:
-	case 4:
+	case 6:
 		m_SubStage = 3;
 		return true;
 	}
@@ -599,37 +606,163 @@ bool CStereoOVR::wantInterface2D()
 {
 	switch (m_Stage)
 	{
-	case 5:
+	case 2:
-	case 6:
 		m_SubStage = 4;
 		return true;
 	}
 	return m_Driver->getPolygonMode() != UDriver::Filled;
 }
 
-
 /// Returns non-NULL if a new render target was set
 bool CStereoOVR::beginRenderTarget()
 {
 	// render target always set before driver clear
 	// nlassert(m_SubStage <= 1);
-	if (m_Driver && m_Stage == 1 && (m_Driver->getPolygonMode() == UDriver::Filled))
+
+	// Set GUI render target
+	if (m_Driver && m_Stage == 2 && (m_Driver->getPolygonMode() == UDriver::Filled))
 	{
-		static_cast<CDriverUser *>(m_Driver)->setRenderTarget(*m_BarrelTexU, 0, 0, 0, 0);
+		nlassert(!m_GUITexture);
+		uint32 width, height;
+		m_Driver->getWindowSize(width, height);
+		m_GUITexture = m_Driver->getRenderTargetManager().getRenderTarget(width, height, true, UTexture::RGBA8888);
+		static_cast<CDriverUser *>(m_Driver)->setRenderTarget(*m_GUITexture);
+		m_Driver->clearBuffers(NLMISC::CRGBA(0, 0, 0, 0));
 		return true;
 	}
+
+	// Begin 3D scene render target
+	if (m_Driver && m_Stage == 3 && (m_Driver->getPolygonMode() == UDriver::Filled))
+	{
+		nlassert(!m_SceneTexture);
+		uint32 width, height;
+		m_Driver->getWindowSize(width, height); // Temporary limitation, TODO: scaling!
+		m_SceneTexture = m_Driver->getRenderTargetManager().getRenderTarget(width, height);
+		static_cast<CDriverUser *>(m_Driver)->setRenderTarget(*m_SceneTexture);
+		return true;
+	}
+
 	return false;
 }
 
+void CStereoOVR::setInterfaceMatrix(const NL3D::CMatrix &matrix)
+{
+	m_InterfaceCameraMatrix = matrix;
+}
+
+void CStereoOVR::renderGUI()
+{
+	
+	/*CMatrix mat;
+	mat.translate(m_InterfaceCameraMatrix.getPos());
+	CVector dir = m_InterfaceCameraMatrix.getJ();
+	dir.z = 0;
+	dir.normalize();
+	if (dir.y < 0)
+		mat.rotateZ(float(NLMISC::Pi+asin(dir.x)));
+	else
+		mat.rotateZ(float(NLMISC::Pi+NLMISC::Pi-asin(dir.x)));
+	m_Driver->setModelMatrix(mat);*/
+	m_Driver->setModelMatrix(m_InterfaceCameraMatrix);
+	
+	{
+		nlassert(m_GUITexture);
+
+		NLMISC::CQuadUV quad;
+
+		NL3D::UMaterial umat = m_Driver->createMaterial();
+		umat.initUnlit();
+		umat.setColor(NLMISC::CRGBA::White);
+		umat.setDoubleSided(true);
+		umat.setBlend(true);
+		umat.setAlphaTest(false);
+		NL3D::CMaterial *mat = umat.getObjectPtr();
+		mat->setShader(NL3D::CMaterial::Normal);
+		mat->setBlendFunc(CMaterial::one, CMaterial::TBlend::invsrcalpha);
+		mat->setZWrite(false);
+		// mat->setZFunc(CMaterial::always); // Not nice
+		mat->setDoubleSided(true);
+		mat->setTexture(0, m_GUITexture->getITexture());
+
+		// user options
+		float height = 6.0f;
+		float distance = 3.0f;
+
+		uint32 winw, winh;
+		m_Driver->getWindowSize(winw, winh);
+		float width = height * (float)winw / (float)winh;
+
+		NLMISC::CQuadUV quadUV;
+		quadUV.V0 = CVector(-(width * 0.5f), distance, -(height * 0.5f));
+		quadUV.V1 = CVector((width * 0.5f), distance, -(height * 0.5f));
+		quadUV.V2 = CVector((width * 0.5f), distance, (height * 0.5f));
+		quadUV.V3 = CVector(-(width * 0.5f), distance, (height * 0.5f));
+		quadUV.Uv0 = CUV(0.f,  0.f);
+		quadUV.Uv1 = CUV(1.f, 0.f);
+		quadUV.Uv2 = CUV(1.f, 1.f);
+		quadUV.Uv3 = CUV(0.f,  1.f);
+
+		m_Driver->drawQuad(quadUV, umat);
+
+		m_Driver->deleteMaterial(umat);
+	}
+
+	{
+		NLMISC::CLine line(NLMISC::CVector(0, 3, -3), NLMISC::CVector(0, 3, 3));
+
+		NL3D::UMaterial mat = m_Driver->createMaterial();
+		mat.setZWrite(false);
+		mat.setZFunc(UMaterial::always);
+		mat.setDoubleSided(true);
+		mat.setColor(NLMISC::CRGBA::Red);
+		mat.setBlend(false);
+
+		m_Driver->drawLine(line, mat);
+
+		m_Driver->deleteMaterial(mat);
+	}
+}
+
 /// Returns true if a render target was fully drawn
 bool CStereoOVR::endRenderTarget()
 {
 	// after rendering of course
 	// nlassert(m_SubStage > 1);
+
+	// End GUI render target
+	if (m_Driver && m_Stage == 2 && (m_Driver->getPolygonMode() == UDriver::Filled))
+	{
+		// End GUI render target
+		nlassert(m_GUITexture);
+		CTextureUser texNull;
+		(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(texNull);
+	}
+
+	// End of 3D Interface pass left
+	if (m_Driver && m_Stage == 5 && (m_Driver->getPolygonMode() == UDriver::Filled))
+	{
+		// Render 2D GUI in 3D space, assume existing camera is OK
+		renderGUI();
+	}
+
+	// End of 3D Interface pass right
+	if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled))
+	{
+		// Render 2D GUI in 3D space, assume existing camera is OK
+		renderGUI();
+
+		// Recycle render target
+		m_Driver->getRenderTargetManager().recycleRenderTarget(m_GUITexture);
+		m_GUITexture = NULL;
+	}
+
+	// End 3D scene render target
 	if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled)) // set to 4 to turn off distortion of 2d gui
 	{
-		CTextureUser cu;
+		nlassert(m_SceneTexture);
-		(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(cu);
+
+		CTextureUser texNull;
+		(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(texNull);
 		bool fogEnabled = m_Driver->fogEnabled();
 		m_Driver->enableFog(false);
 
@@ -640,7 +773,7 @@ bool CStereoOVR::endRenderTarget()
 		m_Driver->getWindowSize(width, height);
 		NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(m_Driver))->getDriver();
 		NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
-		barrelMat->setTexture(0, m_BarrelTex);
+		barrelMat->setTexture(0, m_SceneTexture->getITexture());
 
 		drvInternal->activePixelProgram(m_PixelProgram);
 
@@ -705,8 +838,13 @@ bool CStereoOVR::endRenderTarget()
 		drvInternal->activePixelProgram(NULL);
 		m_Driver->enableFog(fogEnabled);
 
+		// Recycle render target
+		m_Driver->getRenderTargetManager().recycleRenderTarget(m_SceneTexture);
+		m_SceneTexture = NULL;
+
 		return true;
 	}
+
 	return false;
 }
 

code/ryzom/client/src/main_loop.cpp

@@ -1386,8 +1386,20 @@ bool mainLoop()
 		MainCam.setRotQuat(View.currentViewQuat());
 		if (StereoHMD)
 		{
+			CMatrix camMatrix;
+			camMatrix.translate(MainCam.getMatrix().getPos());
+			CVector dir = MainCam.getMatrix().getJ();
+			dir.z = 0;
+			dir.normalize();
+			if (dir.y < 0)
+				camMatrix.rotateZ(float(NLMISC::Pi+asin(dir.x)));
+			else
+				camMatrix.rotateZ(float(NLMISC::Pi+NLMISC::Pi-asin(dir.x)));
+
+			StereoHMD->setInterfaceMatrix(camMatrix);
+
 			NLMISC::CQuat hmdOrient = StereoHMD->getOrientation();
-			NLMISC::CMatrix camMatrix = MainCam.getMatrix();
+			// NLMISC::CMatrix camMatrix = MainCam.getMatrix();
 			NLMISC::CMatrix hmdMatrix;
 			hmdMatrix.setRot(hmdOrient);
 			NLMISC::CMatrix posMatrix; // minimal head modeling, will be changed in the future
@@ -1645,7 +1657,7 @@ bool mainLoop()
 			{
 				if (Render)
 				{
-					if (ClientCfg.Bloom)
+					if (!StereoDisplay && ClientCfg.Bloom) // NO VR BLOOMZ
 					{
 						nlassert(bloomStage == 0);
 						// set bloom parameters before applying bloom effect
@@ -1695,7 +1707,7 @@ bool mainLoop()
 					// Render
 					if (Render)
 					{
-						if (ClientCfg.Bloom && bloomStage == 1)
+						if (!StereoDisplay && ClientCfg.Bloom && bloomStage == 1) // NO VR BLOOMZ
 						{
 							// End the actual bloom effect visible in the scene.
 							if (StereoDisplay) Driver->setViewport(NL3D::CViewport());
@@ -1822,7 +1834,7 @@ bool mainLoop()
 
 					// special case in OpenGL : all scene has been display in render target,
 					// now, final texture is display with a quad
-					if (!ClientCfg.Light && ClientCfg.Bloom && Render && bloomStage == 2)
+					if (!StereoDisplay && !ClientCfg.Light && ClientCfg.Bloom && Render && bloomStage == 2) // NO VR BLOOMZ
 					{
 						// End bloom effect system after drawing the 3d interface (z buffer related).
 						if (StereoDisplay) Driver->setViewport(NL3D::CViewport());