[3255] | 1 | #include "OgreDepthShadowMapRenderingRun.h"
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| 2 | #include "OgreIlluminationManager.h"
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| 3 |
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| 4 |
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| 5 | OgreDepthShadowMapRenderingRun::OgreDepthShadowMapRenderingRun(OgreSharedRuns* sharedRuns,
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| 6 | String name,
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| 7 | Light* light,
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| 8 | unsigned int resolutionX,
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| 9 | unsigned int resolutionY,
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| 10 | String materialName
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| 11 | )
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| 12 | :DepthShadowMapRenderingRun(resolutionX, resolutionY)
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| 13 | , OgreRenderingRun(1, 1)
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| 14 | , RenderingRun(1, 1)
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| 15 | {
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| 16 | this->light = light;
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| 17 | this->sharedRuns = sharedRuns;
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| 18 | this->name = name;
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| 19 | this->blurredname = name + "blurred";
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| 20 |
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| 21 | this->materialName = materialName;
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| 22 | lightFarPlane = 0;
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| 23 | createDepthMap();
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| 24 | }
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| 25 |
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| 26 | void OgreDepthShadowMapRenderingRun::createDepthMap()
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| 27 | {
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| 28 | if(light->getType() == Light::LT_POINT)
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| 29 | {
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| 30 | depthMapTexture = createCubeRenderTexture(name, light->getPosition(), resolutionX,PF_FLOAT16_RGBA,0,ColourValue::White);
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| 31 | for(int i = 0; i < 6; i++)
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| 32 | depthMapTexture->getBuffer(i, 0).getPointer()->getRenderTarget()->getViewport(0)->setSkiesEnabled(false);
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| 33 |
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| 34 | if(OgreIlluminationManager::getSingleton().getBlurShadowMap(light->getType()))
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| 35 | blurredDepthMapTexture = createCubeRenderTexture(blurredname, light->getPosition(), resolutionX,PF_FLOAT16_RGBA,0,ColourValue::White);
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| 36 | }
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| 37 | else
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| 38 | {
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| 39 |
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| 40 | TexturePtr texPtr = Ogre::TextureManager::getSingleton().createManual(name,
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| 41 | "default",
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| 42 | TEX_TYPE_2D,
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| 43 | resolutionX,
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| 44 | resolutionY,
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| 45 | 0,
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| 46 | 0,
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| 47 | PF_FLOAT16_RGBA,
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| 48 | TU_RENDERTARGET);
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| 49 | depthMapTexture = texPtr.getPointer();
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| 50 | depthMapCamera = Root::getSingleton()._getCurrentSceneManager()->createCamera(name + "_CAMERA");
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| 51 | //add viewport to rendertarget
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| 52 | HardwarePixelBuffer* hpb = (depthMapTexture->getBuffer()).getPointer();
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| 53 | RenderTarget* rt = hpb->getRenderTarget();
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| 54 | Viewport* v = rt->addViewport(depthMapCamera);
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| 55 | v->setBackgroundColour(ColourValue::White);
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| 56 | v->setOverlaysEnabled(false);
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| 57 | v->setSkiesEnabled(false);
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| 58 | rt->setAutoUpdated(false);
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| 59 |
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| 60 | if(OgreIlluminationManager::getSingleton().getBlurShadowMap(light->getType()))
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| 61 | {
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| 62 | texPtr = Ogre::TextureManager::getSingleton().createManual(blurredname,
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| 63 | "default",
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| 64 | TEX_TYPE_2D,
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| 65 | resolutionX,
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| 66 | resolutionY,
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| 67 | 0,
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| 68 | 0,
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| 69 | PF_FLOAT16_RGBA,
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| 70 | TU_RENDERTARGET);
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| 71 | blurredDepthMapTexture = texPtr.getPointer();
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| 72 | hpb = (blurredDepthMapTexture->getBuffer()).getPointer();
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| 73 | rt = hpb->getRenderTarget();
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| 74 | v = rt->addViewport(depthMapCamera);
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| 75 | v->setOverlaysEnabled(false);
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| 76 | rt->setAutoUpdated(false);
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| 77 | }
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| 78 | }
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| 79 | }
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| 80 |
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| 81 | bool OgreDepthShadowMapRenderingRun::renderableQueued (Renderable *rend, uint8 groupID, ushort priority, Technique **ppTech)
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| 82 | {
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| 83 | if((*ppTech)->isTransparent())
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| 84 | return false;
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| 85 |
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| 86 | if(!rend->getCastsShadows())
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| 87 | return false;
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| 88 |
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| 89 | String materialToSet = materialName;
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| 90 | OgreTechniqueGroup* TG = (OgreTechniqueGroup*) rend->getRenderTechniqueGroup();
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| 91 | if(TG)
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| 92 | {
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| 93 | String triggeredMaterial = TG->getMaterialNameForTrigger(triggerName);
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| 94 | if(triggeredMaterial != "")//a trigger is associated
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| 95 | materialToSet = triggeredMaterial;
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| 96 |
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| 97 | }
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| 98 |
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| 99 | Technique* techn = ((Material*)MaterialManager::getSingleton().getByName( materialToSet ).getPointer())->getTechnique(0);
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| 100 | *ppTech = techn;
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| 101 | return true;
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| 102 | }
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| 103 |
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| 104 | void OgreDepthShadowMapRenderingRun::updateFrame(unsigned long frameNum)
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| 105 | {
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| 106 | refreshLight(frameNum);
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| 107 |
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| 108 | if(light->getType() == Light::LT_POINT)
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| 109 | {
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| 110 |
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| 111 | for(int i = 0; i < 6 ; i++)
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| 112 | updateDepthCubeFace(i);
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| 113 |
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| 114 | //restoreMaterials();
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| 115 | }
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| 116 | else
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| 117 | {
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| 118 | updateDepthMap();
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| 119 | }
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| 120 |
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| 121 |
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| 122 | }
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| 123 |
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| 124 | void OgreDepthShadowMapRenderingRun::updateDepthCubeFace(int facenum)
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| 125 | {
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| 126 | Vector3 lightpos = light->getDerivedPosition();
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| 127 |
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| 128 | RenderTarget* rt = depthMapTexture->getBuffer(facenum, 0).getPointer()->getRenderTarget();
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| 129 | Camera* cam = rt->getViewport(0)->getCamera();
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| 130 | cam->setFarClipDistance(lightFarPlane);
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| 131 | cam->setPosition(lightpos);
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| 132 |
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| 133 |
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| 134 | //setMaterialForVisibles(materialName, cam, true, false, triggerName);
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| 135 | RenderQueue* rq = Root::getSingleton()._getCurrentSceneManager()->getRenderQueue();
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| 136 | rq->setRenderableListener(this);
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| 137 |
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| 138 | rt->update();
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| 139 |
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| 140 | // restoreMaterials();
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| 141 |
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| 142 | //rt->writeContentsToFile("shadowmap_" + StringConverter::toString(facenum) + ".dds");
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| 143 |
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| 144 | rq->setRenderableListener(0);
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| 145 |
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| 146 | if(OgreIlluminationManager::getSingleton().getBlurShadowMap(light->getType()))
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| 147 | {
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| 148 | rt = blurredDepthMapTexture->getBuffer(facenum, 0).getPointer()->getRenderTarget();
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| 149 | Material* mat = (Material*) MaterialManager::getSingleton().getByName("GTP/Basic/FSQuadBlurCubeFace").getPointer();
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| 150 | mat->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureName(depthMapTexture->getName());
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| 151 | mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters()->setNamedConstant("face", facenum);
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| 152 | renderFullscreenQuad("GTP/Basic/FSQuadBlurCubeFace", rt);
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| 153 |
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| 154 | //rt->writeContentsToFile("shadowmap_blurred_" + StringConverter::toString(facenum) + ".dds");
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | void OgreDepthShadowMapRenderingRun::updateDepthMap()
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| 159 | {
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| 160 |
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| 161 | RenderTarget* rt = depthMapTexture->getBuffer().getPointer()->getRenderTarget();
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| 162 | Viewport* vp = rt->getViewport(0);
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| 163 |
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| 164 | //setMaterialForVisibles(materialName, depthMapCamera, true, false, triggerName);
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| 165 | RenderQueue* rq = Root::getSingleton()._getCurrentSceneManager()->getRenderQueue();
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| 166 | rq->setRenderableListener(this);
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| 167 |
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| 168 | rt->update();
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| 169 |
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| 170 | //restoreMaterials();
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| 171 | rq->setRenderableListener(0);
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| 172 |
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| 173 | if(OgreIlluminationManager::getSingleton().getBlurShadowMap(light->getType()))
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| 174 | {
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| 175 | rt = blurredDepthMapTexture->getBuffer().getPointer()->getRenderTarget();
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| 176 | Material* mat = (Material*) MaterialManager::getSingleton().getByName("GTP/Basic/Blur4x4").getPointer();
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| 177 | mat->getTechnique(0)->getPass(0)->getTextureUnitState(0)->setTextureName(depthMapTexture->getName());
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| 178 | renderFullscreenQuad("GTP/Basic/Blur4x4", rt);
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| 179 | }
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| 180 |
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| 181 | //rt->writeContentsToFile("shadowmap1.dds");
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| 182 |
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| 183 | //depthMapTexture->();
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| 184 | }
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| 185 |
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| 186 | const String& OgreDepthShadowMapRenderingRun::getDepthMapTextureName()
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| 187 | {
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| 188 | if(OgreIlluminationManager::getSingleton().getBlurShadowMap(light->getType()))
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| 189 | return blurredname;
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| 190 |
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| 191 | return name;
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| 192 | }
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| 193 |
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| 194 | void OgreDepthShadowMapRenderingRun::refreshLight(unsigned long frameNum)
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| 195 | {
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| 196 | if(light!= 0)
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| 197 | {
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| 198 | bool uselispsm = OgreIlluminationManager::getSingleton().getUseLISPSM(light->getType());
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| 199 | bool usefocusing = OgreIlluminationManager::getSingleton().getFocusingShadowMap(light->getType());
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| 200 | if(light->getType() == Light::LT_DIRECTIONAL)
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| 201 | {
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| 202 | triggerName = "ILLUM_TRIGGER_SM_DIRECTIONAL";
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| 203 | Camera* viewcam = OgreIlluminationManager::getSingleton().getMainCamera();
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| 204 |
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| 205 | OgreFocusingMapRenderingRun* frun = (OgreFocusingMapRenderingRun*)
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| 206 | OgreIlluminationManager::getSingleton().getGlobalRun(ILLUMRUN_FOCUSING_MAP)->asOgreRenderingRun();
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| 207 | frun->setCameraMatrices(viewcam->getViewMatrix(), viewcam->getProjectionMatrix());
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| 208 |
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| 209 | Vector3 lightpos = light->getDerivedPosition();
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| 210 | Vector3 lightdir = light->getDerivedDirection();
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| 211 | lightdir.normalise();
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| 212 |
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| 213 | Vector3 min;
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| 214 | Vector3 max;
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| 215 |
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| 216 |
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| 217 | if(uselispsm)
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| 218 | {
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| 219 | Camera* maincam = OgreIlluminationManager::getSingleton().getMainCamera();
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| 220 | Vector3 viewdir = maincam->getDirection();
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| 221 | viewdir.normalise();
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| 222 | Vector3 campos = maincam->getPosition();
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| 223 | float nearclip = maincam->getNearClipDistance();
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| 224 |
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| 225 | float dotprod = viewdir.dotProduct(lightdir);
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| 226 | float sinGamma = sqrt(1.0 - dotprod * dotprod);
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| 227 |
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| 228 | Vector3 left = lightdir.crossProduct(viewdir);
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| 229 | left.normalise();
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| 230 | Vector3 up = left.crossProduct(lightdir);
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| 231 | up.normalise();
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| 232 | //left = lightdir.crossProduct(up);
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| 233 | left.normalise();
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| 234 | Matrix4 viewMatrix( left.x, left.y, left.z, 0,
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| 235 | up.x, up.y, up.z, 0,
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| 236 | lightdir.x, lightdir.y, lightdir.z, 0,
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| 237 | 0, 0, 0, 1);
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| 238 |
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| 239 | frun->setLightMatrix(viewMatrix);
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| 240 | OgreIlluminationManager::getSingleton().updateGlobalRun( ILLUMRUN_FOCUSING_MAP,
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| 241 | frameNum);
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| 242 | frun->getMinMax(min, max);
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| 243 |
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| 244 | float n;
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| 245 | float f;
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| 246 | float d = abs(max.y - min.y);
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| 247 |
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| 248 | float z_n = nearclip / sinGamma;
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| 249 | float one_min_singamma = (1 - sinGamma);
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| 250 | float fact = d * pow(one_min_singamma, 2);
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| 251 | float z_f = z_n + d * sinGamma * fact;
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| 252 | n = (z_n + sqrt(z_f * z_n)) / sinGamma;
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| 253 | ///n = 100000;
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| 254 | f = n + d;
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| 255 |
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| 256 | Vector3 pos = campos - up * (n - nearclip);
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| 257 | Matrix4 newViewMatrix( left.x, left.y, left.z, -left.dotProduct(pos),
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| 258 | up.x, up.y, up.z, -up.dotProduct(pos),
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| 259 | -lightdir.x, -lightdir.y, -lightdir.z, lightdir.dotProduct(pos),
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| 260 | 0, 0, 0, 1);
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| 261 |
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| 262 | Matrix4 lispMat = Matrix4::IDENTITY;
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| 263 |
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| 264 | lispMat[1][1] = f / (f - n);
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| 265 | lispMat[1][3] = f * n / (f - n);
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| 266 | lispMat[3][1] = 1;
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| 267 | lispMat[3][3] = 0;
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| 268 |
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| 269 | //depthMapCamera->setCustomProjectionMatrix(true, Matrix4::IDENTITY);
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| 270 | //depthMapCamera->setCustomViewMatrix(true, lispMat * newViewMatrix);
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| 271 |
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| 272 | depthMapCamera->setCustomProjectionMatrix(true, lispMat);
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| 273 | depthMapCamera->setCustomViewMatrix(true, newViewMatrix);
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| 274 | }
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| 275 | else
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| 276 | {
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| 277 | depthMapCamera->setCustomProjectionMatrix(true, Matrix4::IDENTITY);
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| 278 | depthMapCamera->setCustomViewMatrix(false);
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| 279 | depthMapCamera->setPosition(lightpos);
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| 280 | depthMapCamera->setDirection(lightdir);
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| 281 | }
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| 282 |
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| 283 |
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| 284 | Matrix4 lightMatrix = depthMapCamera->getViewMatrix();
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| 285 | //frun->setLightMatrix(lightMatrix);
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| 286 | frun->setLightMatrix(depthMapCamera->getProjectionMatrix() * lightMatrix);
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| 287 |
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| 288 | OgreIlluminationManager::getSingleton().updateGlobalRun( ILLUMRUN_FOCUSING_MAP,
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| 289 | frameNum);
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| 290 |
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| 291 | frun->getMinMax(min, max);
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| 292 |
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| 293 |
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| 294 | Vector3 scale = (max - min);
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| 295 | scale *= 1.5; // just for safety
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| 296 | if(uselispsm)
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| 297 | scale.z += 1;
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| 298 | else
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| 299 | scale.z += 1000; //TODO: get scene bounding box to set z scale
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| 300 | Matrix4 projection = Matrix4::IDENTITY;
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| 301 | Matrix4 trans = Matrix4::IDENTITY;
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| 302 | trans.setTrans(Vector3(-(max.x + min.x) / 2.0,
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| 303 | -(max.y + min.y) / 2.0,
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| 304 | -(max.z + min.z) / 2.0));
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| 305 | Matrix4 scaleM = Matrix4::IDENTITY;
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| 306 | scaleM.setScale(Vector3(2.0 / scale.x, 2.0 / scale.y, -2.0 / scale.z));
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| 307 | projection = scaleM * trans;
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| 308 | //depthMapCamera->setCustomProjectionMatrix(true, projection);
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| 309 | lightFarPlane = scale.z;
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| 310 | depthMapCamera->setCustomProjectionMatrix(true, projection * depthMapCamera->getProjectionMatrix());
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| 311 | }
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| 312 | else if(light->getType() == Light::LT_SPOTLIGHT)
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| 313 | {
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| 314 | triggerName = "ILLUM_TRIGGER_SM_SPOT";
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| 315 | Camera* viewcam = OgreIlluminationManager::getSingleton().getMainCamera();
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| 316 |
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| 317 | OgreFocusingMapRenderingRun* frun = (OgreFocusingMapRenderingRun*)
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| 318 | OgreIlluminationManager::getSingleton().getGlobalRun(ILLUMRUN_FOCUSING_MAP)->asOgreRenderingRun();
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| 319 | frun->setCameraMatrices(viewcam->getViewMatrix(), viewcam->getProjectionMatrix());
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| 320 |
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| 321 | Vector3 lightpos = light->getDerivedPosition();
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| 322 | Vector3 lightdir = light->getDerivedDirection();
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| 323 | lightdir.normalise();
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| 324 | Radian lightangle = light->getSpotlightOuterAngle();
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| 325 |
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| 326 | Vector3 min;
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| 327 | Vector3 max;
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| 328 |
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| 329 | if(uselispsm)
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| 330 | {
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| 331 | Camera* maincam = OgreIlluminationManager::getSingleton().getMainCamera();
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| 332 | Vector3 viewdir = maincam->getDirection();
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| 333 | viewdir.normalise();
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| 334 | Vector3 campos = maincam->getPosition();
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| 335 | float nearclip = maincam->getNearClipDistance();
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| 336 |
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| 337 | float dotprod = viewdir.dotProduct(lightdir);
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| 338 | float sinGamma = sqrt(1.0 - dotprod * dotprod);
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| 339 |
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| 340 | Vector3 left = lightdir.crossProduct(viewdir);
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| 341 | Vector3 up = left.crossProduct(lightdir);
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| 342 | up.normalise();
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| 343 | //left = lightdir.crossProduct(up);
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| 344 | left.normalise();
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| 345 |
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| 346 | depthMapCamera->setCustomProjectionMatrix(false);
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| 347 | depthMapCamera->setProjectionType(PT_PERSPECTIVE);
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| 348 | depthMapCamera->setFOVy(lightangle);
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| 349 | depthMapCamera->setAspectRatio(1);
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| 350 | depthMapCamera->setNearClipDistance(0.1);
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| 351 | depthMapCamera->setFarClipDistance(1.0);
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| 352 |
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| 353 | Matrix4 projMatrix = depthMapCamera->getProjectionMatrixWithRSDepth();
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| 354 |
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| 355 | Matrix4 viewMatrix( left.x, left.y, left.z, 0,
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| 356 | up.x, up.y, up.z, 0,
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| 357 | -lightdir.x, -lightdir.y, -lightdir.z, 0,
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| 358 | 0, 0, 0, 1);
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| 359 |
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| 360 | frun->setLightMatrix(projMatrix * viewMatrix);
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| 361 | OgreIlluminationManager::getSingleton().updateGlobalRun( ILLUMRUN_FOCUSING_MAP,
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| 362 | frameNum);
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| 363 | frun->getMinMax(min, max);
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| 364 |
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| 365 | float n;
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| 366 | float f;
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| 367 | float d = abs(max.y - min.y);
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| 368 |
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| 369 | float z_n = nearclip / sinGamma;
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| 370 | float one_min_singamma = (1 - sinGamma);
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| 371 | float fact = d * pow(one_min_singamma, 2);
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| 372 | float z_f = z_n + d * sinGamma * fact;
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| 373 | n = (z_n + sqrt(z_f * z_n)) / sinGamma;
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| 374 | ///n = 100000;
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| 375 | f = n + d;
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| 376 |
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| 377 | Vector3 pos = campos - up * (n - nearclip);
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| 378 | Matrix4 newViewMatrix( left.x, left.y, left.z, -left.dotProduct(pos),
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| 379 | up.x, up.y, up.z, -up.dotProduct(pos),
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| 380 | -lightdir.x, -lightdir.y, -lightdir.z, lightdir.dotProduct(pos),
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| 381 | 0, 0, 0, 1);
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| 382 |
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| 383 | Matrix4 lispMat = Matrix4::IDENTITY;
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| 384 |
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| 385 | lispMat[1][1] = f / (f - n);
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| 386 | lispMat[1][3] = f * n / (f - n);
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| 387 | lispMat[3][1] = 1;
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| 388 | lispMat[3][3] = 0;
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| 389 |
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| 390 | depthMapCamera->setCustomProjectionMatrix(true, Matrix4::IDENTITY);
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| 391 | depthMapCamera->setCustomViewMatrix(true, lispMat * projMatrix * newViewMatrix);
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| 392 | }
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| 393 | else
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| 394 | {
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| 395 | depthMapCamera->setCustomProjectionMatrix(false);
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| 396 | depthMapCamera->setCustomViewMatrix(false);
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| 397 | depthMapCamera->setPosition(lightpos);
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| 398 | depthMapCamera->setDirection(lightdir);
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| 399 | depthMapCamera->setProjectionType(PT_PERSPECTIVE);
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| 400 | depthMapCamera->setFOVy(lightangle);
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| 401 | depthMapCamera->setAspectRatio(1);
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| 402 | depthMapCamera->setNearClipDistance(OgreIlluminationManager::getSingleton().getAreaLightRadius());
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| 403 | depthMapCamera->setFarClipDistance(1.0);
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| 404 | }
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| 405 |
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| 406 | if(!usefocusing)
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| 407 | {
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| 408 | lightFarPlane = light->getAttenuationRange();
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| 409 | depthMapCamera->setFarClipDistance(lightFarPlane);
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| 410 |
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| 411 | }
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| 412 | else
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| 413 | {
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| 414 | Matrix4 lightMatrix = depthMapCamera->getViewMatrix();
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| 415 | frun->setLightMatrix(lightMatrix);
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| 416 |
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| 417 | OgreIlluminationManager::getSingleton().updateGlobalRun( ILLUMRUN_FOCUSING_MAP,
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| 418 | frameNum);
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| 419 |
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| 420 | frun->getMinMax(min, max);
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| 421 |
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| 422 | if(min.z < 0)
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| 423 | {
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| 424 | float farP= -1.5 * min.z;
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| 425 | if(farP < 0.2) farP = 0.2;
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| 426 | depthMapCamera->setFarClipDistance(farP);
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| 427 | lightFarPlane = farP;
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| 428 |
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| 429 | Vector3 scale = (max - min);
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| 430 | scale *= 1.5; // just for safety
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| 431 |
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| 432 | Matrix4 projection = Matrix4::IDENTITY;
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| 433 | Matrix4 trans = Matrix4::IDENTITY;
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| 434 | trans.setTrans(Vector3(-(max.x + min.x) / 2.0,
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| 435 | -(max.y + min.y) / 2.0,
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| 436 | 0));
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| 437 | Matrix4 scaleM = Matrix4::IDENTITY;
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| 438 | scaleM.setScale(Vector3(2.0 / scale.x, 2.0 / scale.y, 1));
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| 439 | projection = scaleM * trans;
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| 440 | depthMapCamera->setCustomProjectionMatrix(true, projection * depthMapCamera->getProjectionMatrix());
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| 441 | }
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| 442 | }
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| 443 | }
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| 444 | else//point light
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| 445 | {
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| 446 | lightFarPlane = light->getAttenuationRange();
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| 447 | triggerName = "ILLUM_TRIGGER_SM_POINT";
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| 448 | //no other adjustment needed
|
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| 449 | }
|
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| 450 | }
|
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| 451 | }
|
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| 452 |
|
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| 453 | Matrix4 OgreDepthShadowMapRenderingRun::getLightViewMatrix()
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| 454 | {
|
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| 455 | Camera* cam = depthMapCamera;
|
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| 456 | if(light->getType() == Light::LT_POINT)
|
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| 457 | cam = depthMapTexture->getBuffer(4, 0).getPointer()->getRenderTarget()->getViewport(0)->getCamera();
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| 458 |
|
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| 459 | return cam->getViewMatrix();
|
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| 460 | }
|
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| 461 |
|
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| 462 | Matrix4 OgreDepthShadowMapRenderingRun::getLightViewProjMatrix()
|
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| 463 | {
|
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| 464 | Camera* cam = depthMapCamera;
|
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| 465 | if(light->getType() == Light::LT_POINT)
|
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| 466 | cam = depthMapTexture->getBuffer(4, 0).getPointer()->getRenderTarget()->getViewport(0)->getCamera();
|
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| 467 |
|
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| 468 | return cam->getProjectionMatrixWithRSDepth() * cam->getViewMatrix();
|
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| 469 | }
|
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| 470 |
|
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| 471 | void OgreDepthShadowMapRenderingRun::freeAllResources()
|
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| 472 | {
|
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| 473 | this->blurredDepthMapTexture = 0;
|
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| 474 | this->depthMapTexture = 0;
|
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| 475 | TextureManager::getSingleton().remove(name);
|
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| 476 | TextureManager::getSingleton().remove(blurredname);
|
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| 477 | Root::getSingleton()._getCurrentSceneManager()->destroyCamera(name + "_CAMERA");
|
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| 478 | }
|
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