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OgrePMWeightComputeRenderingRun.cpp @ 2420

Revision 2420, 9.1 KB checked in by szirmay, 17 years ago (diff)

Rev	Line
[2189]	1	#include "OgrePMWeightComputeRenderingRun.h"
	2	#include "OgreIlluminationManager.h"
	3	#include "OgrePMEntryPointMapRenderingRun.h"
[2218]	4	#include "OgreDepthShadowMapRenderingRun.h"
[2189]	5
[2333]	6	Texture* OgrePMWeightComputeRenderingRun::weightTexture = 0;
	7	Texture* OgrePMWeightComputeRenderingRun::allWeightsTexture = 0;
	8
[2189]	9	OgrePMWeightComputeRenderingRun::OgrePMWeightComputeRenderingRun(String name, String LightName)
	10	: OgreRenderingRun(1, 1)
	11	, RenderingRun(1, 1)
	12	{
	13	this->name = name;
	14	weights = 0;
	15
	16	this->light = Root::getSingleton()._getCurrentSceneManager()->getLight(LightName);
	17	createWeightMap();
	18
	19	OgreIlluminationManager::getSingleton().createGlobalRun(ILLUMRUN_PM_ENTRYPOINTMAP);
	20	}
	21
	22	void OgrePMWeightComputeRenderingRun::createWeightMap()
	23	{
[2333]	24	if(allWeightsTexture == 0)
	25	{
	26	unsigned int entryPointCnt = OgreIlluminationManager::getSingleton().getPathMapEntryPoints().size();
	27	int width = entryPointCnt / 4096;
	28	int height = 4096;
	29	TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(name + "_ALL",
	30	"default",
	31	TEX_TYPE_2D,
	32	width,
	33	height,
	34	0,
	35	0,
	36	PF_FLOAT16_RGBA,
	37	TU_RENDERTARGET);
	38	allWeightsTexture = texPtr.getPointer();
	39	//add viewport to rendertarget
	40	HardwarePixelBuffer* hpb = (allWeightsTexture->getBuffer()).getPointer();
	41	RenderTarget* rt = hpb->getRenderTarget();
	42	Camera* wc = Root::getSingleton()._getCurrentSceneManager()->createCamera(name + "_ALL_CAMERA");
	43	Viewport* v = rt->addViewport(wc);
	44	v->setBackgroundColour(ColourValue::Black);
	45	v->setClearEveryFrame(false);
	46	v->setOverlaysEnabled(false);
	47	rt->setAutoUpdated(false);
[2200]	48
[2333]	49	unsigned int clustercount = OgreIlluminationManager::getSingleton().getPathMapClusterLengthsSize();
	50	width = clustercount;
	51	height = 1;
	52	texPtr = Ogre::TextureManager::getSingleton().createManual(name,
	53	"default",
	54	TEX_TYPE_2D,
	55	width,
	56	height,
	57	0,
	58	0,
	59	PF_FLOAT16_RGBA,
	60	TU_RENDERTARGET);
	61	weightTexture = texPtr.getPointer();
	62	//add viewport to rendertarget
	63	hpb = (weightTexture->getBuffer()).getPointer();
	64	rt = hpb->getRenderTarget();
	65	wc = Root::getSingleton()._getCurrentSceneManager()->createCamera(name + "_CAMERA");
	66	v = rt->addViewport(wc);
	67	v->setOverlaysEnabled(false);
	68	rt->setAutoUpdated(false);
[2420]	69	}
[2189]	70	}
	71
	72
	73
	74	void OgrePMWeightComputeRenderingRun::updateFrame(unsigned long frameNum)
	75	{
[2200]	76	OgreIlluminationManager::getSingleton().updateGlobalRun(ILLUMRUN_PM_ENTRYPOINTMAP, frameNum);
	77	OgrePMEntryPointMapRenderingRun* PMEPrun = (OgrePMEntryPointMapRenderingRun*)
	78	OgreIlluminationManager::getSingleton().getGlobalRun(ILLUMRUN_PM_ENTRYPOINTMAP)->asOgreRenderingRun();
	79	unsigned int entryPointCnt = OgreIlluminationManager::getSingleton().getPathMapEntryPoints().size();
	80	int col = entryPointCnt / 4096;
	81
	82	if(light->getType() == Light::LT_SPOTLIGHT)
[2189]	83	{
[2218]	84	OgreIlluminationManager::getSingleton().createPerLightRun(light->getName(), ILLUMRUN_DEPTH_SHADOWMAP);
	85	OgreIlluminationManager::getSingleton().updatePerLightRun(light->getName(), ILLUMRUN_DEPTH_SHADOWMAP, frameNum);
	86	OgreDepthShadowMapRenderingRun* SMrun = (OgreDepthShadowMapRenderingRun*) OgreIlluminationManager::getSingleton()
	87	.getPerLightRun(light->getName(), ILLUMRUN_DEPTH_SHADOWMAP)->asOgreRenderingRun();
	88
[2200]	89	MaterialPtr mat = MaterialManager::getSingleton().getByName("GTP/PathMap_ComputeWeights");
	90	GpuProgramParameters* Fparams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters().getPointer();
[2189]	91
[2333]	92	Vector3 lightPos = light->getDerivedPosition();
	93	Vector3 lightDir = light->getDerivedDirection();
[2410]	94	lightDir.normalise();
[2333]	95	Radian lightAngle = light->getSpotlightOuterAngle();
[2200]	96
[2189]	97	Fparams->setNamedConstant("nRadionColumns", col);
	98	Fparams->setNamedConstant("lightPos", lightPos);
	99	Fparams->setNamedConstant("lightDir", lightDir);
[2249]	100	Fparams->setNamedConstant("lightPower", light->getPowerScale());
[2333]	101	Fparams->setNamedConstant("lightColor", light->getDiffuseColour());
[2218]	102	Fparams->setNamedConstant("lightViewProj", SMrun->getLightViewProjMatrix());
	103	Fparams->setNamedConstant("lightFarPlane", SMrun->getLightFarPlane());
[2333]	104	Fparams->setNamedConstant("lightAttenuation", Vector4(light->getAttenuationRange(),
	105	light->getAttenuationConstant(),
	106	light->getAttenuationLinear(),
	107	light->getAttenuationQuadric()));
	108	Fparams->setNamedConstant("lightAngleCos", Math::Cos(lightAngle.valueRadians()/2.0));
	109	Fparams->setNamedConstant("spotLightFalloff", light->getSpotlightFalloff());
[2200]	110
[2189]	111	mat->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureName(
	112	PMEPrun->getEntryPointTextureName());
[2218]	113	mat->getTechnique(0)->getPass(0)->getTextureUnitState(1)->setTextureName(
	114	SMrun->getDepthMapTextureName());
[2189]	115
[2200]	116	RenderTarget* rt = allWeightsTexture->getBuffer().getPointer()->getRenderTarget();
[2333]	117	if(frameNum != rt->getLastFrameNumber())
	118	rt->getViewport(0)->setClearEveryFrame(true);
	119	else
	120	rt->getViewport(0)->setClearEveryFrame(false);
	121
	122	renderFullscreenQuad(mat->getName(), rt);
	123
[2189]	124
[2218]	125	// rt->writeContentsToFile("allweights.bmp");
[2209]	126	// rt->writeContentsToFile("allweights.dds");
	127
[2189]	128	}
[2333]	129	else if(light->getType() == Light::LT_POINT)
[2200]	130	{
[2333]	131	OgreIlluminationManager::getSingleton().createPerLightRun(light->getName(), ILLUMRUN_DEPTH_SHADOWMAP);
	132	OgreIlluminationManager::getSingleton().updatePerLightRun(light->getName(), ILLUMRUN_DEPTH_SHADOWMAP, frameNum);
	133	OgreDepthShadowMapRenderingRun* SMrun = (OgreDepthShadowMapRenderingRun*) OgreIlluminationManager::getSingleton()
	134	.getPerLightRun(light->getName(), ILLUMRUN_DEPTH_SHADOWMAP)->asOgreRenderingRun();
	135
	136	MaterialPtr mat = MaterialManager::getSingleton().getByName("GTP/PathMap_ComputeWeights_Point");
	137	GpuProgramParameters* Fparams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters().getPointer();
	138
	139	Vector3 lightPos = light->getDerivedPosition();
	140
	141	Fparams->setNamedConstant("nRadionColumns", col);
	142	Fparams->setNamedConstant("lightPos", lightPos);
	143	Fparams->setNamedConstant("lightPower", light->getPowerScale());
	144	Fparams->setNamedConstant("lightColor", light->getDiffuseColour());
	145	Fparams->setNamedConstant("lightFarPlane", SMrun->getLightFarPlane());
	146	Fparams->setNamedConstant("lightAttenuation", Vector4(light->getAttenuationRange(),
	147	light->getAttenuationConstant(),
	148	light->getAttenuationLinear(),
	149	light->getAttenuationQuadric()));
	150
	151	mat->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureName(
	152	PMEPrun->getEntryPointTextureName());
	153	mat->getTechnique(0)->getPass(0)->getTextureUnitState(1)->setTextureName(
	154	SMrun->getDepthMapTextureName());
	155
	156	RenderTarget* rt = allWeightsTexture->getBuffer().getPointer()->getRenderTarget();
	157	if(frameNum != rt->getLastFrameNumber())
	158	rt->getViewport(0)->setClearEveryFrame(true);
	159	else
	160	rt->getViewport(0)->setClearEveryFrame(false);
	161
	162	renderFullscreenQuad(mat->getName(), rt);
[2420]	163
	164	//rt->writeContentsToFile("allweights.dds");
[2333]	165
[2200]	166	}
[2214]	167
[2333]	168	}
	169
	170	void OgrePMWeightComputeRenderingRun::sumWeights(unsigned long frameNum)
	171	{
	172	RenderTarget* rt = weightTexture->getBuffer().getPointer()->getRenderTarget();
	173	if(frameNum == rt->getLastFrameNumber())return;
	174
	175	unsigned int entryPointCnt = OgreIlluminationManager::getSingleton().getPathMapEntryPoints().size();
	176	int col = entryPointCnt / 4096;
[2189]	177	unsigned int clustercount = OgreIlluminationManager::getSingleton().getPathMapClusterLengthsSize();
[2333]	178	OgrePMEntryPointMapRenderingRun* PMEPrun = (OgrePMEntryPointMapRenderingRun*)
	179	OgreIlluminationManager::getSingleton().getGlobalRun(ILLUMRUN_PM_ENTRYPOINTMAP)->asOgreRenderingRun();
	180
[2200]	181	MaterialPtr mat = MaterialManager::getSingleton().getByName("GTP/PathMap_SumWeights");
	182	GpuProgramParameters* Fparams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters().getPointer();
	183	Fparams->setNamedConstant("nRadionColumns", col);
	184	Fparams->setNamedConstant("clusterCount", (float) clustercount);
	185	mat->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureName(
	186	PMEPrun->getEntryPointTextureName());
	187	mat->getTechnique(0)->getPass(0)->getTextureUnitState(1)->setTextureName(
	188	PMEPrun->getClusterLengthTextureName());
	189	mat->getTechnique(0)->getPass(0)->getTextureUnitState(2)->setTextureName(
	190	allWeightsTexture->getName());
[2189]	191
[2200]	192	renderFullscreenQuad(mat->getName(), rt);
[2420]	193
	194	//rt->writeContentsToFile("clusterweights.bmp");
[2189]	195	}
	196
[2320]	197	void OgrePMWeightComputeRenderingRun::freeAllResources()
	198	{
[2321]	199	this->weightTexture = 0;
	200	this->allWeightsTexture = 0;
[2320]	201	TextureManager::getSingleton().remove(name);
	202	Root::getSingleton()._getCurrentSceneManager()->destroyCamera(name + "_CAMERA");
[2189]	203
[2320]	204	TextureManager::getSingleton().remove(name + "_ALL");
	205	Root::getSingleton()._getCurrentSceneManager()->destroyCamera(name + "_ALL" + "_CAMERA");
	206	}

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source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/src/RenderingRuns/OgrePMWeightComputeRenderingRun.cpp @ 2420

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