Put stereo render loop inside ryzom client main loop, see #43

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

@@ -438,8 +438,17 @@ 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));
 	else translate.translate(CVector((m_DevicePtr->HMDInfo.InterpupillaryDistance * m_Scale) * 0.5f, 0.f, 0.f));
-	camera->setTransformMode(NL3D::UTransformable::DirectMatrix);
+	CMatrix mat = m_CameraMatrix[cid] * translate;
-	camera->setMatrix(m_CameraMatrix[cid] * translate);
+	if (camera->getTransformMode() == NL3D::UTransformable::RotQuat)
+	{
+		camera->setPos(mat.getPos());
+		camera->setRotQuat(mat.getRot());
+	}
+	else
+	{
+		// camera->setTransformMode(NL3D::UTransformable::DirectMatrix);
+		camera->setMatrix(mat);
+	}
 }
 
 bool CStereoOVR::wantClear()

code/ryzom/client/src/main_loop.cpp

@@ -398,8 +398,8 @@ void commitCamera()
 		// Update Camera Position/Rotation.
 		//camRoot.setPos(View.currentViewPos());
 		//camRoot.setRotQuat(View.currentViewQuat());
-		camRoot.setTransformMode(UTransformable::DirectMatrix); // FIXME
+		camRoot.setPos(MainCam.getPos());
-		camRoot.setMatrix(MainCam.getMatrix());
+		camRoot.setRotQuat(MainCam.getRotQuat());
 	}
 }
 
@@ -533,6 +533,30 @@ private:
 };
 static CForceFullDetail s_ForceFullDetail;
 
+void clearBuffers()
+{
+	if (Render)
+	{
+		if (Driver->getPolygonMode() == UDriver::Filled)
+		{
+			Driver->clearZBuffer();
+		}
+
+		// Sky is used to clear the frame buffer now, but if in line or point polygon mode, we should draw it
+		if (Driver->getPolygonMode() != UDriver::Filled)
+		{
+			if (!Driver->isLost())
+			{
+				Driver->clearBuffers (CRGBA(127, 127, 127));
+			}
+		}
+	}
+	else
+	{
+		Driver->clearBuffers(ClientCfg.BGColor);
+	}
+}
+
 void renderScene(bool forceFullDetail, bool bloom)
 {
 	if (bloom)
@@ -548,6 +572,7 @@ void renderScene(bool forceFullDetail, bool bloom)
 		s_ForceFullDetail.backup();
 		s_ForceFullDetail.set();
 	}
+	clearBuffers();
 	renderScene();
 	if (forceFullDetail)
 	{
@@ -688,20 +713,6 @@ void updateWeather()
 // Render all scenes
 void renderScene()
 {
-	if (Driver->getPolygonMode() == UDriver::Filled)
-	{
-		Driver->clearZBuffer();
-	}
-
-	// Sky is used to clear the frame buffer now, but if in line or point polygon mode, we should draw it
-	if (Driver->getPolygonMode() != UDriver::Filled)
-	{
-		if (!Driver->isLost())
-		{
-			Driver->clearBuffers (CRGBA(127, 127, 127));
-		}
-	}
-
 	// Update Filter Flags
 	Scene->enableElementRender(UScene::FilterAllMeshNoVP, Filter3D[FilterMeshNoVP]);
 	Scene->enableElementRender(UScene::FilterAllMeshVP, Filter3D[FilterMeshVP]);
@@ -1371,6 +1382,10 @@ bool mainLoop()
 		MainCam.setTransformMode(UTransformable::RotQuat);
 		MainCam.setPos(currViewPos);
 		MainCam.setRotQuat(View.currentViewQuat());
+		if (StereoHMD)
+		{
+			// ...
+		}
 		if (StereoDisplay) 
 		{
 			StereoDisplay->updateCamera(0, &MainCam);
@@ -1575,6 +1590,11 @@ bool mainLoop()
 			}
 		}
 		
+		uint i = 0;
+		uint bloomStage = 0;
+		while ((!StereoDisplay && i == 0) || (StereoDisplay && StereoDisplay->nextPass()))
+		{
+			++i;
 			///////////////////
 			// SETUP CAMERAS //
 			///////////////////
@@ -1590,7 +1610,7 @@ bool mainLoop()
 				{
 					SceneRoot->setViewport(vp);
 				}
-			MainCam.setTransformMode(UTransformable::DirectMatrix);
+				//MainCam.setTransformMode(UTransformable::DirectMatrix);
 				StereoDisplay->getCurrentMatrix(0, &MainCam);
 				StereoDisplay->getCurrentFrustum(0, &MainCam);
 				if (SceneRoot)
@@ -1607,19 +1627,38 @@ bool mainLoop()
 			// RENDER THE FRAME  3D //
 			//////////////////////////
 
+			if (StereoDisplay)
+			{
+				StereoDisplay->beginRenderTarget();
+			}
+				
+			if (!StereoDisplay || StereoDisplay->wantClear())
+			{
+				if(Render)
+				{
+					if (ClientCfg.Bloom)
+					{
+						nlassert(bloomStage == 0);
+						// set bloom parameters before applying bloom effect
+						CBloomEffect::getInstance().setSquareBloom(ClientCfg.SquareBloom);
+						CBloomEffect::getInstance().setDensityBloom((uint8)ClientCfg.DensityBloom);
+						// start bloom effect (just before the first scene element render)
+						CBloomEffect::instance().initBloom();
+						bloomStage = 1;
+					}
+				}
+
+				// Clear buffers
+				clearBuffers();
+			}
+
+			if (!StereoDisplay || StereoDisplay->wantScene())
+			{
 				if (!ClientCfg.Light)
 				{
 					// Render
 					if(Render)
 					{
-				if (ClientCfg.Bloom)
-				{
-					// set bloom parameters before applying bloom effect
-					CBloomEffect::getInstance().setSquareBloom(ClientCfg.SquareBloom);
-					CBloomEffect::getInstance().setDensityBloom((uint8)ClientCfg.DensityBloom);
-					// init bloom
-					CBloomEffect::getInstance().initBloom();
-				}
 						// nb : force full detail if a screenshot is asked
 						// todo : move outside render code
 						bool fullDetail = ScreenshotRequest != ScreenshotRequestNone && ClientCfg.ScreenShotFullDetail;
@@ -1636,10 +1675,24 @@ bool mainLoop()
 						{
 							s_ForceFullDetail.restore();
 						}
-				if (ClientCfg.Bloom)
+					}
+				}
+			}
+
+			if (!StereoDisplay || StereoDisplay->wantInterface3D())
 			{
-					// apply bloom effect
+				if (!ClientCfg.Light)
-					CBloomEffect::getInstance().endBloom();
+				{
+					// Render
+					if (Render)
+					{
+						if (ClientCfg.Bloom && bloomStage == 1)
+						{
+							// End the actual bloom effect visible in the scene.
+							if (StereoDisplay) Driver->setViewport(NL3D::CViewport());
+							CBloomEffect::instance().endBloom();
+							if (StereoDisplay) Driver->setViewport(StereoDisplay->getCurrentViewport());
+							bloomStage = 2;
 						}
 
 						// for that frame and
@@ -1660,11 +1713,7 @@ bool mainLoop()
 							H_AUTO_USE ( RZ_Client_Main_Loop_Debug )
 							PrimFiles.display (*Driver);
 						}
-			}
+					} /* if (Render) */
-			else
-			{
-				Driver->clearBuffers(ClientCfg.BGColor);
-			}
 
 					// Draw Extra 3D Objects
 					Driver->setMatrixMode3D(MainCam);
@@ -1691,8 +1740,7 @@ bool mainLoop()
 						H_AUTO_USE ( RZ_Client_Main_Loop_Debug )
 						displayDebugClusters();
 					}
-
+				} /* if (!ClientCfg.Light) */
-		}
 				else
 				{
 		//			static UTextureFile *backgroundBitmap = NULL;
@@ -1721,6 +1769,10 @@ bool mainLoop()
 					CGraph::render (ShowInfos);
 				}
 
+			} /* if (!StereoDisplay || StereoDisplay->wantInterface3D()) */
+
+			if (!StereoDisplay || StereoDisplay->wantInterface2D())
+			{
 				// Render in 2D Mode to display 2D Interfaces and 2D texts.
 				Driver->setMatrixMode2D11();
 
@@ -1761,8 +1813,14 @@ 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)
+					if (!ClientCfg.Light && ClientCfg.Bloom && Render && bloomStage == 2)
-				CBloomEffect::getInstance().endInterfacesDisplayBloom();
+					{
+						// End bloom effect system after drawing the 3d interface (z buffer related).
+						if (StereoDisplay) Driver->setViewport(NL3D::CViewport());
+						CBloomEffect::instance().endInterfacesDisplayBloom();
+						if (StereoDisplay) Driver->setViewport(StereoDisplay->getCurrentViewport());
+						bloomStage = 0;
+					}
 				}
 
 				{
@@ -2067,6 +2125,13 @@ bool mainLoop()
 							SoundMngr->drawSounds(camHeigh);
 					}
 				}
+			} /* if (!StereoDisplay || StereoDisplay->wantInterface2D()) */
+
+			if (StereoDisplay)
+			{
+				StereoDisplay->endRenderTarget();
+			}
+		} /* stereo pass */
 
 		// Draw to screen.
 		static CQuat MainCamOri;