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PlaneReflector Support for Side-by-Side Rendering

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- 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 2013-10-25 01:57:38 -04:00
parent 15673810c6
commit 2fc5adb536
3 changed files with 153 additions and 72 deletions
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190
Engine/source/scene/reflector.cpp
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@ -546,7 +546,12 @@ void PlaneReflector::updateReflection( const ReflectParams &params )
// store current matrices
GFXTransformSaver saver;
F32 aspectRatio = F32( params.viewportExtent.x ) / F32( params.viewportExtent.y );
Point2I viewport(params.viewportExtent);
if(GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
{
viewport.x *= 0.5f;
}
F32 aspectRatio = F32( viewport.x ) / F32( viewport.y );
Frustum frustum;
frustum.set(false, params.query->fov, aspectRatio, params.query->nearPlane, params.query->farPlane);
@ -562,12 +567,138 @@ void PlaneReflector::updateReflection( const ReflectParams &params )
mLastDir = params.query->cameraMatrix.getForwardVector();
mLastPos = params.query->cameraMatrix.getPosition();
setGFXMatrices( params.query->cameraMatrix );
// Adjust the detail amount
F32 detailAdjustBackup = TSShapeInstance::smDetailAdjust;
TSShapeInstance::smDetailAdjust *= mDesc->detailAdjust;
if(reflectTarget.isNull())
reflectTarget = GFX->allocRenderToTextureTarget();
reflectTarget->attachTexture( GFXTextureTarget::Color0, reflectTex );
reflectTarget->attachTexture( GFXTextureTarget::DepthStencil, depthBuff );
GFX->pushActiveRenderTarget();
GFX->setActiveRenderTarget( reflectTarget );
U32 objTypeFlag = -1;
SceneCameraState reflectCameraState = SceneCameraState::fromGFX();
LIGHTMGR->registerGlobalLights( &reflectCameraState.getFrustum(), false );
// Since we can sometime be rendering a reflection for 1 or 2 frames before
// it gets updated do to the lag associated with getting the results from
// a HOQ we can sometimes see into parts of the reflection texture that
// have nothing but clear color ( eg. under the water ).
// To make this look less crappy use the ambient color of the sun.
//
// In the future we may want to fix this instead by having the scatterSky
// render a skirt or something in its lower half.
//
ColorF clearColor = gClientSceneGraph->getAmbientLightColor();
GFX->clear( GFXClearZBuffer | GFXClearStencil | GFXClearTarget, clearColor, 1.0f, 0 );
if(GFX->getCurrentRenderStyle() == GFXDevice::RS_StereoSideBySide)
{
// Store previous values
RectI originalVP = GFX->getViewport();
Point2F projOffset = GFX->getCurrentProjectionOffset();
Point3F eyeOffset = GFX->getStereoEyeOffset();
// Render left half of display
RectI leftVP = originalVP;
leftVP.extent.x *= 0.5;
GFX->setViewport(leftVP);
MatrixF leftWorldTrans(true);
leftWorldTrans.setPosition(Point3F(eyeOffset.x, eyeOffset.y, eyeOffset.z));
MatrixF leftWorld(params.query->cameraMatrix);
leftWorld.mulL(leftWorldTrans);
Frustum gfxFrustum = GFX->getFrustum();
gfxFrustum.setProjectionOffset(Point2F(projOffset.x, projOffset.y));
GFX->setFrustum(gfxFrustum);
setGFXMatrices( leftWorld );
SceneCameraState cameraStateLeft = SceneCameraState::fromGFX();
SceneRenderState renderStateLeft( gClientSceneGraph, SPT_Reflect, cameraStateLeft );
renderStateLeft.setSceneRenderStyle(SRS_SideBySide);
renderStateLeft.setSceneRenderField(0);
renderStateLeft.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
renderStateLeft.setDiffuseCameraTransform( params.query->cameraMatrix );
renderStateLeft.disableAdvancedLightingBins(true);
gClientSceneGraph->renderSceneNoLights( &renderStateLeft, objTypeFlag );
// Render right half of display
RectI rightVP = originalVP;
rightVP.extent.x *= 0.5;
rightVP.point.x += rightVP.extent.x;
GFX->setViewport(rightVP);
MatrixF rightWorldTrans(true);
rightWorldTrans.setPosition(Point3F(-eyeOffset.x, eyeOffset.y, eyeOffset.z));
MatrixF rightWorld(params.query->cameraMatrix);
rightWorld.mulL(rightWorldTrans);
gfxFrustum = GFX->getFrustum();
gfxFrustum.setProjectionOffset(Point2F(-projOffset.x, projOffset.y));
GFX->setFrustum(gfxFrustum);
setGFXMatrices( rightWorld );
SceneCameraState cameraStateRight = SceneCameraState::fromGFX();
SceneRenderState renderStateRight( gClientSceneGraph, SPT_Reflect, cameraStateRight );
renderStateRight.setSceneRenderStyle(SRS_SideBySide);
renderStateRight.setSceneRenderField(1);
renderStateRight.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
renderStateRight.setDiffuseCameraTransform( params.query->cameraMatrix );
renderStateRight.disableAdvancedLightingBins(true);
gClientSceneGraph->renderSceneNoLights( &renderStateRight, objTypeFlag );
// Restore previous values
gfxFrustum.clearProjectionOffset();
GFX->setFrustum(gfxFrustum);
GFX->setViewport(originalVP);
}
else
{
SceneRenderState reflectRenderState
(
gClientSceneGraph,
SPT_Reflect,
SceneCameraState::fromGFX()
);
reflectRenderState.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
reflectRenderState.setDiffuseCameraTransform( params.query->cameraMatrix );
reflectRenderState.disableAdvancedLightingBins(true);
gClientSceneGraph->renderSceneNoLights( &reflectRenderState, objTypeFlag );
}
LIGHTMGR->unregisterAllLights();
// Clean up.
reflectTarget->resolve();
GFX->popActiveRenderTarget();
// Restore detail adjust amount.
TSShapeInstance::smDetailAdjust = detailAdjustBackup;
mIsRendering = false;
}
void PlaneReflector::setGFXMatrices( const MatrixF &camTrans )
{
if ( objectSpace )
{
// set up camera transform relative to object
MatrixF invObjTrans = mObject->getRenderTransform();
invObjTrans.inverse();
MatrixF relCamTrans = invObjTrans * params.query->cameraMatrix;
MatrixF relCamTrans = invObjTrans * camTrans;
MatrixF camReflectTrans = getCameraReflection( relCamTrans );
MatrixF camTrans = mObject->getRenderTransform() * camReflectTrans;
@ -586,8 +717,6 @@ void PlaneReflector::updateReflection( const ReflectParams &params )
}
else
{
MatrixF camTrans = params.query->cameraMatrix;
// set world mat from new camera view
MatrixF camReflectTrans = getCameraReflection( camTrans );
camReflectTrans.inverse();
@ -598,60 +727,9 @@ void PlaneReflector::updateReflection( const ReflectParams &params )
MatrixF clipProj = getFrustumClipProj( camReflectTrans );
GFX->setProjectionMatrix( clipProj );
}
// Adjust the detail amount
F32 detailAdjustBackup = TSShapeInstance::smDetailAdjust;
TSShapeInstance::smDetailAdjust *= mDesc->detailAdjust;
if(reflectTarget.isNull())
reflectTarget = GFX->allocRenderToTextureTarget();
reflectTarget->attachTexture( GFXTextureTarget::Color0, reflectTex );
reflectTarget->attachTexture( GFXTextureTarget::DepthStencil, depthBuff );
GFX->pushActiveRenderTarget();
GFX->setActiveRenderTarget( reflectTarget );
SceneRenderState reflectRenderState
(
gClientSceneGraph,
SPT_Reflect,
SceneCameraState::fromGFX()
);
reflectRenderState.getMaterialDelegate().bind( REFLECTMGR, &ReflectionManager::getReflectionMaterial );
reflectRenderState.setDiffuseCameraTransform( params.query->cameraMatrix );
reflectRenderState.disableAdvancedLightingBins(true);
U32 objTypeFlag = -1;
LIGHTMGR->registerGlobalLights( &reflectRenderState.getFrustum(), false );
// Since we can sometime be rendering a reflection for 1 or 2 frames before
// it gets updated do to the lag associated with getting the results from
// a HOQ we can sometimes see into parts of the reflection texture that
// have nothing but clear color ( eg. under the water ).
// To make this look less crappy use the ambient color of the sun.
//
// In the future we may want to fix this instead by having the scatterSky
// render a skirt or something in its lower half.
//
ColorF clearColor = reflectRenderState.getAmbientLightColor();
GFX->clear( GFXClearZBuffer | GFXClearStencil | GFXClearTarget, clearColor, 1.0f, 0 );
gClientSceneGraph->renderSceneNoLights( &reflectRenderState, objTypeFlag );
LIGHTMGR->unregisterAllLights();
// Clean up.
reflectTarget->resolve();
GFX->popActiveRenderTarget();
// Restore detail adjust amount.
TSShapeInstance::smDetailAdjust = detailAdjustBackup;
mIsRendering = false;
}
MatrixF PlaneReflector::getCameraReflection( MatrixF &camTrans )
MatrixF PlaneReflector::getCameraReflection( const MatrixF &camTrans )
{
Point3F normal = refplane;