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https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-13 03:33:48 +00:00
PlaneReflector Support for Side-by-Side Rendering
- The PlaneReflector class now supports side-by-side rendering. This does mean that while in this rendering style that all planar reflections are rendered twice, as reflection is a screen space effect from the eye point of view. - Planar reflections now work in the Oculus Rift. - Modified GuiTSCtrl::onRender() to move up where the rendering style is defined to just before the reflection manager has its turn.
This commit is contained in:
DavidWyand-GG
parent
15673810c6
commit
2fc5adb536
3 changed files with 153 additions and 72 deletions
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@ -316,6 +316,21 @@ void GuiTSCtrl::onRender(Point2I offset, const RectI &updateRect)
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return;
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}
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// Set up the appropriate render style
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U32 prevRenderStyle = GFX->getCurrentRenderStyle();
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Point2F prevProjectionOffset = GFX->getCurrentProjectionOffset();
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Point3F prevEyeOffset = GFX->getStereoEyeOffset();
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if(mRenderStyle == RenderStyleStereoSideBySide)
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{
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GFX->setCurrentRenderStyle(GFXDevice::RS_StereoSideBySide);
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GFX->setCurrentProjectionOffset(mLastCameraQuery.projectionOffset);
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GFX->setStereoEyeOffset(mLastCameraQuery.eyeOffset);
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}
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else
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{
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GFX->setCurrentRenderStyle(GFXDevice::RS_Standard);
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}
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if ( mReflectPriority > 0 )
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{
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// Get the total reflection priority.
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@ -338,21 +353,6 @@ void GuiTSCtrl::onRender(Point2I offset, const RectI &updateRect)
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mLastCameraQuery.cameraMatrix.mul(rotMat);
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}
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// Set up the appropriate render style
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U32 prevRenderStyle = GFX->getCurrentRenderStyle();
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Point2F prevProjectionOffset = GFX->getCurrentProjectionOffset();
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Point3F prevEyeOffset = GFX->getStereoEyeOffset();
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if(mRenderStyle == RenderStyleStereoSideBySide)
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{
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GFX->setCurrentRenderStyle(GFXDevice::RS_StereoSideBySide);
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GFX->setCurrentProjectionOffset(mLastCameraQuery.projectionOffset);
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GFX->setStereoEyeOffset(mLastCameraQuery.eyeOffset);
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}
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else
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{
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GFX->setCurrentRenderStyle(GFXDevice::RS_Standard);
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}
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// set up the camera and viewport stuff:
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F32 wwidth;
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F32 wheight;
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@ -546,7 +546,12 @@ void PlaneReflector::updateReflection( const ReflectParams ¶ms )
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// store current matrices
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GFXTransformSaver saver;
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F32 aspectRatio = F32( params.viewportExtent.x ) / F32( params.viewportExtent.y );
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Point2I viewport(params.viewportExtent);
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if(GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
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{
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viewport.x *= 0.5f;
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}
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F32 aspectRatio = F32( viewport.x ) / F32( viewport.y );
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Frustum frustum;
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frustum.set(false, params.query->fov, aspectRatio, params.query->nearPlane, params.query->farPlane);
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@ -562,12 +567,138 @@ void PlaneReflector::updateReflection( const ReflectParams ¶ms )
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mLastDir = params.query->cameraMatrix.getForwardVector();
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mLastPos = params.query->cameraMatrix.getPosition();
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setGFXMatrices( params.query->cameraMatrix );
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// Adjust the detail amount
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F32 detailAdjustBackup = TSShapeInstance::smDetailAdjust;
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TSShapeInstance::smDetailAdjust *= mDesc->detailAdjust;
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if(reflectTarget.isNull())
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reflectTarget = GFX->allocRenderToTextureTarget();
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reflectTarget->attachTexture( GFXTextureTarget::Color0, reflectTex );
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reflectTarget->attachTexture( GFXTextureTarget::DepthStencil, depthBuff );
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GFX->pushActiveRenderTarget();
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GFX->setActiveRenderTarget( reflectTarget );
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U32 objTypeFlag = -1;
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SceneCameraState reflectCameraState = SceneCameraState::fromGFX();
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LIGHTMGR->registerGlobalLights( &reflectCameraState.getFrustum(), false );
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// Since we can sometime be rendering a reflection for 1 or 2 frames before
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// it gets updated do to the lag associated with getting the results from
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// a HOQ we can sometimes see into parts of the reflection texture that
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// have nothing but clear color ( eg. under the water ).
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// To make this look less crappy use the ambient color of the sun.
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//
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// In the future we may want to fix this instead by having the scatterSky
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// render a skirt or something in its lower half.
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//
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ColorF clearColor = gClientSceneGraph->getAmbientLightColor();
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GFX->clear( GFXClearZBuffer | GFXClearStencil | GFXClearTarget, clearColor, 1.0f, 0 );
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if(GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
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{
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// Store previous values
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RectI originalVP = GFX->getViewport();
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Point2F projOffset = GFX->getCurrentProjectionOffset();
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Point3F eyeOffset = GFX->getStereoEyeOffset();
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// Render left half of display
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RectI leftVP = originalVP;
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leftVP.extent.x *= 0.5;
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GFX->setViewport(leftVP);
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MatrixF leftWorldTrans(true);
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leftWorldTrans.setPosition(Point3F(eyeOffset.x, eyeOffset.y, eyeOffset.z));
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MatrixF leftWorld(params.query->cameraMatrix);
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leftWorld.mulL(leftWorldTrans);
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Frustum gfxFrustum = GFX->getFrustum();
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gfxFrustum.setProjectionOffset(Point2F(projOffset.x, projOffset.y));
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GFX->setFrustum(gfxFrustum);
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setGFXMatrices( leftWorld );
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SceneCameraState cameraStateLeft = SceneCameraState::fromGFX();
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SceneRenderState renderStateLeft( gClientSceneGraph, SPT_Reflect, cameraStateLeft );
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renderStateLeft.setSceneRenderStyle(SRS_SideBySide);
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renderStateLeft.setSceneRenderField(0);
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renderStateLeft.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
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renderStateLeft.setDiffuseCameraTransform( params.query->cameraMatrix );
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renderStateLeft.disableAdvancedLightingBins(true);
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gClientSceneGraph->renderSceneNoLights( &renderStateLeft, objTypeFlag );
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// Render right half of display
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RectI rightVP = originalVP;
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rightVP.extent.x *= 0.5;
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rightVP.point.x += rightVP.extent.x;
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GFX->setViewport(rightVP);
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MatrixF rightWorldTrans(true);
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rightWorldTrans.setPosition(Point3F(-eyeOffset.x, eyeOffset.y, eyeOffset.z));
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MatrixF rightWorld(params.query->cameraMatrix);
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rightWorld.mulL(rightWorldTrans);
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gfxFrustum = GFX->getFrustum();
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gfxFrustum.setProjectionOffset(Point2F(-projOffset.x, projOffset.y));
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GFX->setFrustum(gfxFrustum);
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setGFXMatrices( rightWorld );
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SceneCameraState cameraStateRight = SceneCameraState::fromGFX();
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SceneRenderState renderStateRight( gClientSceneGraph, SPT_Reflect, cameraStateRight );
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renderStateRight.setSceneRenderStyle(SRS_SideBySide);
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renderStateRight.setSceneRenderField(1);
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renderStateRight.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
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renderStateRight.setDiffuseCameraTransform( params.query->cameraMatrix );
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renderStateRight.disableAdvancedLightingBins(true);
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gClientSceneGraph->renderSceneNoLights( &renderStateRight, objTypeFlag );
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// Restore previous values
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gfxFrustum.clearProjectionOffset();
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GFX->setFrustum(gfxFrustum);
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GFX->setViewport(originalVP);
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}
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else
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{
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SceneRenderState reflectRenderState
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(
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gClientSceneGraph,
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SPT_Reflect,
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SceneCameraState::fromGFX()
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);
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reflectRenderState.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
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reflectRenderState.setDiffuseCameraTransform( params.query->cameraMatrix );
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reflectRenderState.disableAdvancedLightingBins(true);
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gClientSceneGraph->renderSceneNoLights( &reflectRenderState, objTypeFlag );
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}
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LIGHTMGR->unregisterAllLights();
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// Clean up.
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reflectTarget->resolve();
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GFX->popActiveRenderTarget();
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// Restore detail adjust amount.
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TSShapeInstance::smDetailAdjust = detailAdjustBackup;
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mIsRendering = false;
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}
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void PlaneReflector::setGFXMatrices( const MatrixF &camTrans )
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{
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if ( objectSpace )
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{
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// set up camera transform relative to object
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MatrixF invObjTrans = mObject->getRenderTransform();
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invObjTrans.inverse();
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MatrixF relCamTrans = invObjTrans * params.query->cameraMatrix;
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MatrixF relCamTrans = invObjTrans * camTrans;
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MatrixF camReflectTrans = getCameraReflection( relCamTrans );
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MatrixF camTrans = mObject->getRenderTransform() * camReflectTrans;
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@ -586,8 +717,6 @@ void PlaneReflector::updateReflection( const ReflectParams ¶ms )
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}
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else
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{
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MatrixF camTrans = params.query->cameraMatrix;
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// set world mat from new camera view
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MatrixF camReflectTrans = getCameraReflection( camTrans );
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camReflectTrans.inverse();
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@ -598,60 +727,9 @@ void PlaneReflector::updateReflection( const ReflectParams ¶ms )
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MatrixF clipProj = getFrustumClipProj( camReflectTrans );
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GFX->setProjectionMatrix( clipProj );
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}
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// Adjust the detail amount
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F32 detailAdjustBackup = TSShapeInstance::smDetailAdjust;
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TSShapeInstance::smDetailAdjust *= mDesc->detailAdjust;
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if(reflectTarget.isNull())
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reflectTarget = GFX->allocRenderToTextureTarget();
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reflectTarget->attachTexture( GFXTextureTarget::Color0, reflectTex );
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reflectTarget->attachTexture( GFXTextureTarget::DepthStencil, depthBuff );
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GFX->pushActiveRenderTarget();
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GFX->setActiveRenderTarget( reflectTarget );
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SceneRenderState reflectRenderState
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(
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gClientSceneGraph,
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SPT_Reflect,
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SceneCameraState::fromGFX()
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);
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reflectRenderState.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
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reflectRenderState.setDiffuseCameraTransform( params.query->cameraMatrix );
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reflectRenderState.disableAdvancedLightingBins(true);
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U32 objTypeFlag = -1;
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LIGHTMGR->registerGlobalLights( &reflectRenderState.getFrustum(), false );
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// Since we can sometime be rendering a reflection for 1 or 2 frames before
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// it gets updated do to the lag associated with getting the results from
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// a HOQ we can sometimes see into parts of the reflection texture that
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// have nothing but clear color ( eg. under the water ).
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// To make this look less crappy use the ambient color of the sun.
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//
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// In the future we may want to fix this instead by having the scatterSky
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// render a skirt or something in its lower half.
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//
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ColorF clearColor = reflectRenderState.getAmbientLightColor();
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GFX->clear( GFXClearZBuffer | GFXClearStencil | GFXClearTarget, clearColor, 1.0f, 0 );
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gClientSceneGraph->renderSceneNoLights( &reflectRenderState, objTypeFlag );
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LIGHTMGR->unregisterAllLights();
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// Clean up.
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reflectTarget->resolve();
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GFX->popActiveRenderTarget();
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// Restore detail adjust amount.
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TSShapeInstance::smDetailAdjust = detailAdjustBackup;
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mIsRendering = false;
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}
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MatrixF PlaneReflector::getCameraReflection( MatrixF &camTrans )
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MatrixF PlaneReflector::getCameraReflection( const MatrixF &camTrans )
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{
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Point3F normal = refplane;
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@ -202,8 +202,11 @@ public:
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virtual F32 calcScore( const ReflectParams ¶ms );
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virtual void updateReflection( const ReflectParams ¶ms );
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/// Set up the GFX matrices
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void setGFXMatrices( const MatrixF &camTrans );
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/// Set up camera matrix for a reflection on the plane
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MatrixF getCameraReflection( MatrixF &camTrans );
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MatrixF getCameraReflection( const MatrixF &camTrans );
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/// Oblique frustum clipping - use near plane of zbuffer as a clip plane
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MatrixF getFrustumClipProj( MatrixF &modelview );
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