Project client loading screens into 3D space for HMD

--HG--
branch : multipass-stereo

code/nel/include/nel/3d/stereo_ovr_04.h

@@ -168,6 +168,7 @@ public:
 
 private:
 	ovrHmd m_DevicePtr;
+	bool m_DebugDevice;
 
 	int m_Stage;
 	int m_SubStage;

code/nel/src/3d/stereo_ovr_04.cpp

@@ -175,6 +175,7 @@ CStereoOVR::CStereoOVR(const CStereoOVRDeviceFactory *factory) : m_DevicePtr(NUL
 		return;
 	}
 
+	m_DebugDevice = factory->DebugDevice;
 	if (factory->DebugDevice) m_DevicePtr = ovrHmd_CreateDebug(factory->DebugDeviceType);
 	else m_DevicePtr = ovrHmd_Create(factory->DeviceIndex);
 
@@ -448,6 +449,9 @@ bool CStereoOVR::attachToDisplay()
 {
 	nldebug("OVR: Attach to display '%s'", m_DevicePtr->DisplayDeviceName);
 
+	if (m_DebugDevice)
+		return false;
+
 	if (!m_AttachedDisplay)
 	{
 		m_Driver->getCurrentScreenMode(m_OriginalMode);
@@ -792,7 +796,7 @@ void CStereoOVR::setInterfaceMatrix(const NL3D::CMatrix &matrix)
 void CStereoOVR::renderGUI()
 {
 	m_Driver->setModelMatrix(m_InterfaceCameraMatrix);
-
+/*
 	{
 		NLMISC::CLine line(NLMISC::CVector(0, 5, 2), NLMISC::CVector(0, 5, 3));
 
@@ -808,6 +812,41 @@ void CStereoOVR::renderGUI()
 		m_Driver->deleteMaterial(mat);
 	}
 
+	{
+		NL3D::UMaterial mat = m_Driver->createMaterial();
+		mat.setZWrite(false);
+		mat.setZFunc(UMaterial::always); // Not nice!
+		mat.setDoubleSided(true);
+		mat.setBlend(false);
+		NLMISC::CLine line;
+
+		mat.setColor(NLMISC::CRGBA::Red);
+		line = NLMISC::CLine(NLMISC::CVector(0, 3, -3), NLMISC::CVector(0, 3, 3)); // YPos
+		m_Driver->drawLine(line, mat);
+
+		mat.setColor(NLMISC::CRGBA::Green);
+		line = NLMISC::CLine(NLMISC::CVector(3, 0, -3), NLMISC::CVector(3, 0, 3)); // XPos
+		m_Driver->drawLine(line, mat);
+
+		mat.setColor(NLMISC::CRGBA::Magenta);
+		line = NLMISC::CLine(NLMISC::CVector(0, -3, -3), NLMISC::CVector(0, -3, 3)); // YNeg
+		m_Driver->drawLine(line, mat);
+
+		mat.setColor(NLMISC::CRGBA::Cyan);
+		line = NLMISC::CLine(NLMISC::CVector(-3, 0, -3), NLMISC::CVector(-3, 0, 3)); // XNeg
+		m_Driver->drawLine(line, mat);
+
+		mat.setColor(NLMISC::CRGBA::Blue);
+		line = NLMISC::CLine(NLMISC::CVector(0, -3, 3), NLMISC::CVector(0, 3, 3)); // ZPos
+		m_Driver->drawLine(line, mat);
+
+		mat.setColor(NLMISC::CRGBA::Blue);
+		line = NLMISC::CLine(NLMISC::CVector(0, -3, -3), NLMISC::CVector(0, 3, -3)); // ZNeg
+		m_Driver->drawLine(line, mat);
+
+		m_Driver->deleteMaterial(mat);
+	}
+	*/
 	{
 		nlassert(m_GUITexture);
 
@@ -910,6 +949,24 @@ void CStereoOVR::renderGUI()
 		// m_Driver->drawQuad(quadUV, umat);
 
 		m_Driver->deleteMaterial(umat);
+
+		/*{
+			// nldebug("Render GUI lines");
+			NL3D::UMaterial rmat = m_Driver->createMaterial();
+			rmat.setZWrite(false);
+			rmat.setZFunc(UMaterial::always); // Not nice!
+			rmat.setDoubleSided(true);
+			rmat.setColor(NLMISC::CRGBA::Red);
+			rmat.setBlend(false);
+
+			m_Driver->setPolygonMode(UDriver::Line);
+			driver->activeVertexBuffer(vb);
+			driver->activeIndexBuffer(ib);
+			driver->renderTriangles(*rmat.getObjectPtr(), 0, nbQuads * 2);
+			m_Driver->setPolygonMode(UDriver::Filled);
+
+			m_Driver->deleteMaterial(rmat);
+		}*/
 	}
 }
 
@@ -1131,6 +1188,7 @@ NLMISC::CQuat CStereoOVR::getOrientation() const
 	}
 	else
 	{
+		if (!m_DebugDevice)
 			nlwarning("OVR: No orientation returned");
 		// return old orientation
 		m_OrientationCached = true;

code/ryzom/client/src/progress.cpp

@@ -33,6 +33,7 @@
 #include "client_cfg.h"
 #include "bg_downloader_access.h"
 #include "nel/misc/system_utils.h"
+#include "nel/3d/stereo_hmd.h"
 
 using namespace std;
 using namespace NLMISC;
@@ -173,14 +174,67 @@ void CProgress::internalProgress (float value)
 	if (Driver->AsyncListener.isKeyPushed (KeyUP))
 		selectTipsOfTheDay (TipsOfTheDayIndex+1);
 
+	// Create camera for stereo mode
+	bool stereoHMD = StereoHMD && !MainCam.empty() && (MainCam.getTransformMode() == UCamera::RotQuat);
+	CVector oldPos;
+	CQuat oldQuat;
+	if (stereoHMD)
+	{
+		MainCam.getPos(oldPos);
+		MainCam.getRotQuat(oldQuat);
+		StereoHMD->setInterfaceMatrix(CMatrix()); // identity
+		NLMISC::CQuat hmdOrient = StereoHMD->getOrientation();
+		NLMISC::CMatrix camMatrix;
+		camMatrix.identity();
+		NLMISC::CMatrix hmdMatrix;
+		hmdMatrix.setRot(hmdOrient);
+		NLMISC::CMatrix posMatrix; // minimal head modeling, will be changed in the future
+		posMatrix.translate(StereoHMD->getEyePosition());
+		NLMISC::CMatrix mat = ((camMatrix * hmdMatrix) * posMatrix);
+		MainCam.setPos(mat.getPos());
+		MainCam.setRotQuat(mat.getRot());
+		StereoDisplay->updateCamera(0, &MainCam);
+	}
+	uint i = 0;
+	while ((!stereoHMD && i == 0) || (stereoHMD && StereoDisplay->nextPass()))
+	{
+		++i;
+		if (stereoHMD)
+		{
+			// modify cameras for stereo display
+			const CViewport &vp = StereoDisplay->getCurrentViewport();
+			Driver->setViewport(vp);
+			StereoDisplay->getCurrentMatrix(0, &MainCam);
+			StereoDisplay->getCurrentFrustum(0, &MainCam);
+
+			// begin current pass
+			StereoDisplay->beginRenderTarget();
+
+			nldebug("Cam pos: %f, %f, %f", MainCam.getPos().x, MainCam.getPos().y, MainCam.getPos().z);
+		}
+
+		if (!stereoHMD || StereoDisplay->wantClear())
+		{
+			Driver->clearBuffers(CRGBA(0, 0, 0, 0));
+		}
+
+		if (stereoHMD && StereoDisplay->wantScene())
+		{
+			Driver->setMatrixMode3D(MainCam);
+		}
+
+		if (!stereoHMD || StereoDisplay->wantInterface2D())
+		{
+			nldebug("Draw progress 2D");
+
 			// Font factor
 			float fontFactor = 1;
 			if (Driver->getWindowHeight() > 0)
 				fontFactor = (float)Driver->getWindowHeight() / 600.f;
 			fontFactor *= _FontFactor;
+
 			// Set 2d view.
 			Driver->setMatrixMode2D11();
-	Driver->clearBuffers (CRGBA(0,0,0,0));
 
 			// Display the loading background.
 			drawLoadingBitmap(value);
@@ -354,6 +408,19 @@ void CProgress::internalProgress (float value)
 					}
 				}
 			}
+		}
+
+		if (stereoHMD)
+		{
+			StereoDisplay->endRenderTarget();
+		}
+	} /* stereo loop */
+
+	if (stereoHMD)
+	{
+		MainCam.setPos(oldPos);
+		MainCam.setRotQuat(oldQuat);
+	}
 
 	// Clamp
 	clamp (value, 0.f, 1.f);