Adjust render target handling for effects

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

@@ -72,8 +72,8 @@ public:
 	void setDensityBloom(uint8 densityBloom) { _DensityBloom = densityBloom; }
 	uint8 getDensityBloom() const { return _DensityBloom; }
 
-	// Applies bloom to the current render target, if backbuffer is true the final image is rendered to the backbuffer instead of to a render target
-	void applyBloom(bool backbuffer);
+	// Applies bloom to the current render target
+	void applyBloom();
 
 	// Called at the beginning of renderAll method in the main loop, if window has been resized,
 	// reinitialize bloom textures according to new window size.
@@ -143,8 +143,6 @@ private:
 	// materials
 	// used to display first texture in doBlur passes.
 	NL3D::UMaterial		_BlurMat;
-	// used to display final render target texture onto the backbuffer
-	NL3D::UMaterial		_DisplayInitMat;
 	// used to blend initial scene render target texture and blur texture according to a
 	// dest+src - dest*src blend operation.
 	NL3D::UMaterial		_DisplayBlurMat;
@@ -154,7 +152,6 @@ private:
 
 	// quads
 	NLMISC::CQuadUV		_BlurQuad;
-	NLMISC::CQuadUV		_DisplayQuad;
 
 	// textures and materials already initialized?
 	bool				_Init;

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

@@ -83,11 +83,6 @@ CBloomEffect::~CBloomEffect()
 {
 	if (_Init)
 	{
-		if (!_DisplayInitMat.empty())
-		{
-			if (_Driver) _Driver->deleteMaterial(_DisplayInitMat);
-		}
-
 		if (!_DisplayBlurMat.empty())
 		{
 			if (_Driver) _Driver->deleteMaterial(_DisplayBlurMat);
@@ -160,18 +155,6 @@ void CBloomEffect::init()
 	matObject->texEnvArg1RGB(3, CMaterial::Constant, CMaterial::SrcColor);
 	matObject->texEnvArg2RGB(3, CMaterial::Previous, CMaterial::SrcColor);
 
-	// initialize display materials
-	_DisplayInitMat = _Driver->createMaterial();
-	CMaterial * matObjectInit = _DisplayInitMat.getObjectPtr();
-	_DisplayInitMat.initUnlit();
-	_DisplayInitMat.setColor(CRGBA::White);
-	_DisplayInitMat.setBlend(false);
-	_DisplayInitMat.setAlphaTest (false);
-	matObjectInit->setBlendFunc(CMaterial::one, CMaterial::zero);
-	matObjectInit->setZWrite(false);
-	matObjectInit->setZFunc(CMaterial::always);
-	matObjectInit->setDoubleSided(true);
-
 	// initialize linear blur material
 	_DisplayBlurMat = _Driver->createMaterial();
 	CMaterial * matObjectFinal = _DisplayBlurMat.getObjectPtr();
@@ -208,15 +191,6 @@ void CBloomEffect::init()
 	matObjectFinal->texEnvArg1RGB(1, CMaterial::Previous, CMaterial::SrcColor);
 
 	// initialize quads
-	_DisplayQuad.V0 = CVector(0.f, 0.f, 0.5f);
-	_DisplayQuad.V1 = CVector(1.f, 0.f, 0.5f);
-	_DisplayQuad.V2 = CVector(1.f, 1.f, 0.5f);
-	_DisplayQuad.V3 = CVector(0.f, 1.f, 0.5f);
-	_DisplayQuad.Uv0 = CUV(0.f, 0.f);
-	_DisplayQuad.Uv1 = CUV(1.f, 0.f);
-	_DisplayQuad.Uv2 = CUV(1.f, 1.f);
-	_DisplayQuad.Uv3 = CUV(0.f, 1.f);
-
 	_BlurQuad.V0 = CVector(-1.f, -1.f,	0.5f);
 	_BlurQuad.V1 = CVector(1.f,	 -1.f,	0.5f);
 	_BlurQuad.V2 = CVector(1.f,	 1.f,	0.5f);
@@ -241,7 +215,7 @@ void CBloomEffect::init()
 
 //-----------------------------------------------------------------------------------------------------------
 
-void CBloomEffect::applyBloom(bool backbuffer)
+void CBloomEffect::applyBloom()
 {
 	if (!((CDriverUser *)_Driver)->getDriver()->supportBloomEffect())
 		return;
@@ -301,22 +275,7 @@ void CBloomEffect::applyBloom(bool backbuffer)
 	drv->setRenderTarget(renderTarget);
 	applyBlur();
 
-	// draw final result to backbuffer if last effect
-	if (backbuffer)
-	{
-		CTextureUser texNull;
-		dru->setRenderTarget(texNull);
-
-		_DisplayInitMat.getObjectPtr()->setTexture(0, renderTarget);
-
-		UCamera	pCam = _Scene->getCam();
-		_Driver->setMatrixMode2D11();
-		_Driver->drawQuad(_DisplayQuad, _DisplayInitMat);
-		_Driver->setMatrixMode3D(pCam);
-	}
-
 	// cleanup material texture references
-	_DisplayInitMat.getObjectPtr()->setTexture(0, NULL);
 	_DisplayBlurMat.getObjectPtr()->setTexture(0, NULL);
 	_DisplaySquareBlurMat.getObjectPtr()->setTexture(0, NULL);
 	_DisplaySquareBlurMat.getObjectPtr()->setTexture(1, NULL);

code/ryzom/client/src/init_main_loop.cpp

@@ -40,6 +40,7 @@
 #include "nel/3d/u_cloud_scape.h"
 #include "nel/3d/u_shape_bank.h"
 #include "nel/3d/u_water_env_map.h"
+#include "nel/3d/material.h"
 // Sound
 #include "nel/sound/u_audio_mixer.h"
 // Client
@@ -136,6 +137,9 @@ std::string				LoadingBitmapFilename;
 uint64					StartInitTime = 0;
 uint64					StartPlayTime = 0;
 
+UMaterial				EffectMaterial;
+NLMISC::CQuadUV			EffectQuad;
+
 
 // texture for the logos
 std::vector<UTextureFile*> LogoBitmaps;
@@ -568,6 +572,29 @@ void initMainLoop()
 		// use this scene for bloom effect
 		CBloomEffect::getInstance().setScene(Scene);
 
+		if (EffectMaterial.empty())
+		{
+			EffectMaterial = Driver->createMaterial();
+			CMaterial *mat = EffectMaterial.getObjectPtr();
+			EffectMaterial.initUnlit();
+			EffectMaterial.setColor(CRGBA::White);
+			EffectMaterial.setBlend(false);
+			EffectMaterial.setAlphaTest (false);
+			mat->setBlendFunc(CMaterial::one, CMaterial::zero);
+			mat->setZWrite(false);
+			mat->setZFunc(CMaterial::always);
+			mat->setDoubleSided(true);
+		}
+	
+		EffectQuad.V0 = CVector(0.f, 0.f, 0.5f);
+		EffectQuad.V1 = CVector(1.f, 0.f, 0.5f);
+		EffectQuad.V2 = CVector(1.f, 1.f, 0.5f);
+		EffectQuad.V3 = CVector(0.f, 1.f, 0.5f);
+		EffectQuad.Uv0 = CUV(0.f, 0.f);
+		EffectQuad.Uv1 = CUV(1.f, 0.f);
+		EffectQuad.Uv2 = CUV(1.f, 1.f);
+		EffectQuad.Uv3 = CUV(0.f, 1.f);
+
 		CLandscapePolyDrawer::getInstance().initLandscapePolyDrawingCallback();
 
 

code/ryzom/client/src/main_loop.cpp

@@ -185,6 +185,9 @@ extern std::vector<UTextureFile*> LogoBitmaps;
 extern bool						IsInRingSession;
 extern std::string				UsedFSAddr;
 
+extern UMaterial				EffectMaterial;
+extern NLMISC::CQuadUV			EffectQuad;
+
 // temp
 extern NLMISC::CValueSmoother smoothFPS;
 extern NLMISC::CValueSmoother moreSmoothFPS;
@@ -569,8 +572,8 @@ void renderScene(bool forceFullDetail, bool bloom)
 		// set bloom parameters before applying bloom effect
 		CBloomEffect::getInstance().setSquareBloom(ClientCfg.SquareBloom);
 		CBloomEffect::getInstance().setDensityBloom((uint8)ClientCfg.DensityBloom);
-		// init bloom
-		// CBloomEffect::getInstance().initBloom();
+
+		// init effect render target
 		uint32 winw, winh;
 		Driver->getWindowSize(winw, winh);
 		effectRenderTarget = Driver->getRenderTargetManager().getRenderTarget(winw, winh);
@@ -590,9 +593,25 @@ void renderScene(bool forceFullDetail, bool bloom)
 	if (bloom)
 	{
 		// apply bloom effect
-		// CBloomEffect::getInstance().endBloom();
-		// CBloomEffect::getInstance().endInterfacesDisplayBloom();
-		CBloomEffect::getInstance().applyBloom(effectRenderTarget != NULL); // TODO
+		CBloomEffect::getInstance().applyBloom();
+
+		// draw final result to backbuffer
+		CDriverUser *dru = static_cast<CDriverUser *>(Driver);
+
+		CTextureUser texNull;
+		dru->setRenderTarget(texNull);
+
+		EffectMaterial.getObjectPtr()->setTexture(0, effectRenderTarget->getITexture());
+
+		UCamera	pCam = Scene->getCam();
+		Driver->setMatrixMode2D11();
+		Driver->drawQuad(EffectQuad, EffectMaterial);
+		Driver->setMatrixMode3D(pCam);
+
+		EffectMaterial.getObjectPtr()->setTexture(0, NULL);
+
+		Driver->getRenderTargetManager().recycleRenderTarget(effectRenderTarget);
+		effectRenderTarget = NULL;
 	}
 }
 
@@ -1629,8 +1648,24 @@ bool mainLoop()
 		}
 
 		uint i = 0;
-		uint bloomStage = 0;
+		bool effectRender = false;
 		CTextureUser *effectRenderTarget = NULL;
+		bool haveEffects = Render && ClientCfg.Bloom;
+		if (haveEffects)
+		{
+			if (!StereoDisplay)
+			{
+				uint32 winw, winh;
+				Driver->getWindowSize(winw, winh);
+				effectRenderTarget = Driver->getRenderTargetManager().getRenderTarget(winw, winh);
+				static_cast<CDriverUser *>(Driver)->setRenderTarget(*effectRenderTarget);
+			}
+			if (ClientCfg.Bloom)
+			{
+				CBloomEffect::getInstance().setSquareBloom(ClientCfg.SquareBloom);
+				CBloomEffect::getInstance().setDensityBloom((uint8)ClientCfg.DensityBloom);
+			}
+		}
 		while ((!StereoDisplay && i == 0) || (StereoDisplay && StereoDisplay->nextPass()))
 		{
 			++i;
@@ -1673,22 +1708,7 @@ bool mainLoop()
 			{
 				if (Render)
 				{
-					if (ClientCfg.Bloom && 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)
-						if (!StereoDisplay) // FIXME: Assumes rendering to render target...!
-						{
-							uint32 winw, winh;
-							Driver->getWindowSize(winw, winh);
-							effectRenderTarget = Driver->getRenderTargetManager().getRenderTarget(winw, winh);
-							static_cast<CDriverUser *>(Driver)->setRenderTarget(*effectRenderTarget);
-						}
-						// CBloomEffect::instance().initBloom();
-						bloomStage = 1;
-					}
+					effectRender = haveEffects;
 				}
 
 				// Clear buffers
@@ -1729,18 +1749,15 @@ bool mainLoop()
 					// Render
 					if (Render)
 					{
-						if (ClientCfg.Bloom && bloomStage == 1)
+						if (effectRender)
 						{
-							// End the actual bloom effect visible in the scene.
-							if (StereoDisplay) Driver->setViewport(NL3D::CViewport());
-							CBloomEffect::instance().applyBloom(effectRenderTarget != NULL);
-							if (StereoDisplay) Driver->setViewport(StereoDisplay->getCurrentViewport());
-							if (effectRenderTarget)
+							if (ClientCfg.Bloom)
 							{
-								Driver->getRenderTargetManager().recycleRenderTarget(effectRenderTarget);
-								effectRenderTarget = NULL;
+								if (StereoDisplay) Driver->setViewport(NL3D::CViewport());
+								CBloomEffect::instance().applyBloom();
+								if (StereoDisplay) Driver->setViewport(StereoDisplay->getCurrentViewport());
 							}
-							bloomStage = 0;
+							effectRender = false;
 						}
 
 						// for that frame and
@@ -2182,6 +2199,27 @@ bool mainLoop()
 			}
 		} /* stereo pass */
 
+		if (effectRenderTarget)
+		{
+			// draw final result to backbuffer
+			CDriverUser *dru = static_cast<CDriverUser *>(Driver);
+
+			CTextureUser texNull;
+			dru->setRenderTarget(texNull);
+
+			EffectMaterial.getObjectPtr()->setTexture(0, effectRenderTarget->getITexture());
+
+			UCamera	pCam = Scene->getCam();
+			Driver->setMatrixMode2D11();
+			Driver->drawQuad(EffectQuad, EffectMaterial);
+			Driver->setMatrixMode3D(pCam);
+
+			EffectMaterial.getObjectPtr()->setTexture(0, NULL);
+
+			Driver->getRenderTargetManager().recycleRenderTarget(effectRenderTarget);
+			effectRenderTarget = NULL;
+		}
+
 		// Draw to screen.
 		static CQuat MainCamOri;
 		if (FirstFrame)

code/ryzom/client/src/release.cpp

@@ -120,6 +120,7 @@ extern bool userChar;
 extern bool serverReceivedReady;
 extern bool CharNameValidArrived;
 
+extern UMaterial				EffectMaterial;
 
 extern void releaseContextualCursor();
 extern void selectTipsOfTheDay (uint tips);
@@ -585,6 +586,9 @@ void release()
 	// Delete the driver.
 	if(Driver)
 	{
+		if (!EffectMaterial.empty())
+			Driver->deleteMaterial(EffectMaterial);
+
 		// Release the prim
 		PrimFiles.release (*Driver);