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Merge pull request #504 from DavidWyand-GG/OculusRiftUpdate

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Expand PostFX Viewport Options
This commit is contained in:
David Wyand 2013-10-24 11:26:40 -07:00
parent 61c6e9600d 15673810c6
commit 12da4e40ff
6 changed files with 56 additions and 12 deletions
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7
Engine/source/gfx/gfxDevice.cpp
View file

@ -849,7 +849,7 @@ void GFXDevice::popActiveRenderTarget()
mRTStack.pop_back();
}
void GFXDevice::setActiveRenderTarget( GFXTarget *target )
void GFXDevice::setActiveRenderTarget( GFXTarget *target, bool updateViewport )
{
AssertFatal( target,
"GFXDevice::setActiveRenderTarget - must specify a render target!" );
@ -878,7 +878,10 @@ void GFXDevice::setActiveRenderTarget( GFXTarget *target )
// We should consider removing this and making it the
// responsibility of the caller to set a proper viewport
// when the target is changed.
setViewport( RectI( Point2I::Zero, mCurrentRT->getSize() ) );
if ( updateViewport )
{
setViewport( RectI( Point2I::Zero, mCurrentRT->getSize() ) );
}
}
/// Helper class for GFXDevice::describeResources.

2
Engine/source/gfx/gfxDevice.h
View file

@ -695,7 +695,7 @@ public:
void popActiveRenderTarget();
/// Assign a new active render target.
void setActiveRenderTarget( GFXTarget *target );
void setActiveRenderTarget( GFXTarget *target, bool updateViewport=true );
/// Returns the current active render target.
inline GFXTarget* getActiveRenderTarget() { return mCurrentRT; }

51
Engine/source/postFx/postEffect.cpp
View file

@ -118,6 +118,7 @@ ImplementEnumType( PFXTargetViewport,
"@ingroup Rendering\n\n")
{ PFXTargetViewport_TargetSize, "PFXTargetViewport_TargetSize", "Set viewport to match target size (default).\n" },
{ PFXTargetViewport_GFXViewport, "PFXTargetViewport_GFXViewport", "Use the current GFX viewport (scaled to match target size).\n" },
{ PFXTargetViewport_NamedInTexture0, "PFXTargetViewport_NamedInTexture0", "Use the input texture 0 if it is named (scaled to match target size), otherwise revert to PFXTargetViewport_TargetSize if there is none.\n" },
EndImplementEnumType;
@ -947,7 +948,17 @@ void PostEffect::_setupTarget( const SceneRenderState *state, bool *outClearTarg
const Point2I &oldTargetSize = oldTarget->getSize();
Point2F scale(targetSize.x / F32(oldTargetSize.x), targetSize.y / F32(oldTargetSize.y));
const RectI viewport = GFX->getViewport();
const RectI &viewport = GFX->getViewport();
mNamedTarget.setViewport( RectI( viewport.point.x*scale.x, viewport.point.y*scale.y, viewport.extent.x*scale.x, viewport.extent.y*scale.y ) );
}
else if(mTargetViewport == PFXTargetViewport_NamedInTexture0 && mActiveNamedTarget[0] && mActiveNamedTarget[0]->getTexture())
{
// Scale the named input texture's viewport to match our target
const Point3I &namedTargetSize = mActiveNamedTarget[0]->getTexture()->getSize();
Point2F scale(targetSize.x / F32(namedTargetSize.x), targetSize.y / F32(namedTargetSize.y));
const RectI &viewport = mActiveNamedTarget[0]->getViewport();
mNamedTarget.setViewport( RectI( viewport.point.x*scale.x, viewport.point.y*scale.y, viewport.extent.x*scale.x, viewport.extent.y*scale.y ) );
}
@ -1009,7 +1020,17 @@ void PostEffect::_setupTarget( const SceneRenderState *state, bool *outClearTarg
const Point2I &oldTargetSize = oldTarget->getSize();
Point2F scale(targetSize.x / F32(oldTargetSize.x), targetSize.y / F32(oldTargetSize.y));
const RectI viewport = GFX->getViewport();
const RectI &viewport = GFX->getViewport();
mNamedTargetDepthStencil.setViewport( RectI( viewport.point.x*scale.x, viewport.point.y*scale.y, viewport.extent.x*scale.x, viewport.extent.y*scale.y ) );
}
else if(mTargetViewport == PFXTargetViewport_NamedInTexture0 && mActiveNamedTarget[0] && mActiveNamedTarget[0]->getTexture())
{
// Scale the named input texture's viewport to match our target
const Point3I &namedTargetSize = mActiveNamedTarget[0]->getTexture()->getSize();
Point2F scale(targetSize.x / F32(namedTargetSize.x), targetSize.y / F32(namedTargetSize.y));
const RectI &viewport = mActiveNamedTarget[0]->getViewport();
mNamedTargetDepthStencil.setViewport( RectI( viewport.point.x*scale.x, viewport.point.y*scale.y, viewport.extent.x*scale.x, viewport.extent.y*scale.y ) );
}
@ -1093,8 +1114,6 @@ void PostEffect::process( const SceneRenderState *state,
bool clearTarget = false;
_setupTarget( state, &clearTarget );
RectI oldViewport = GFX->getViewport();
if ( mTargetTex || mTargetDepthStencil )
{
@ -1110,6 +1129,7 @@ void PostEffect::process( const SceneRenderState *state,
GFX->getActiveRenderTarget()->preserve();
#endif
const RectI &oldViewport = GFX->getViewport();
GFXTarget *oldTarget = GFX->getActiveRenderTarget();
GFX->pushActiveRenderTarget();
@ -1121,21 +1141,38 @@ void PostEffect::process( const SceneRenderState *state,
else
mTarget->attachTexture( GFXTextureTarget::DepthStencil, mTargetDepthStencil );
GFX->setActiveRenderTarget( mTarget );
// Set the render target but not its viewport. We'll do that below.
GFX->setActiveRenderTarget( mTarget, false );
// The setActiveRenderTarget() called above will change the viewport to cover the
// entire target area. Restore the viewport as necessary.
if(mNamedTarget.isRegistered())
{
// Always use the name target's viewport, if available. It was set up in _setupTarget().
GFX->setViewport(mNamedTarget.getViewport());
}
else if(mTargetViewport == PFXTargetViewport_GFXViewport)
{
// Go with the current viewport as scaled against our render target.
const Point2I &oldTargetSize = oldTarget->getSize();
const Point2I &targetSize = mTarget->getSize();
Point2F scale(targetSize.x / F32(oldTargetSize.x), targetSize.y / F32(oldTargetSize.y));
GFX->setViewport( RectI( oldViewport.point.x*scale.x, oldViewport.point.y*scale.y, oldViewport.extent.x*scale.x, oldViewport.extent.y*scale.y ) );
}
else if(mTargetViewport == PFXTargetViewport_NamedInTexture0 && mActiveNamedTarget[0] && mActiveNamedTarget[0]->getTexture())
{
// Go with the first input texture, if it is named. Scale the named input texture's viewport to match our target
const Point3I &namedTargetSize = mActiveNamedTarget[0]->getTexture()->getSize();
const Point2I &targetSize = mTarget->getSize();
Point2F scale(targetSize.x / F32(namedTargetSize.x), targetSize.y / F32(namedTargetSize.y));
const RectI &viewport = mActiveNamedTarget[0]->getViewport();
GFX->setViewport( RectI( viewport.point.x*scale.x, viewport.point.y*scale.y, viewport.extent.x*scale.x, viewport.extent.y*scale.y ) );
}
else
{
// Default to using the whole target as the viewport
GFX->setViewport( RectI( Point2I::Zero, mTarget->getSize() ) );
}
}
if ( clearTarget )

4
Engine/source/postFx/postEffectCommon.h
View file

@ -77,6 +77,10 @@ enum PFXTargetViewport
/// Use the current GFX viewport
PFXTargetViewport_GFXViewport,
/// Use the input texture 0 if it is named, otherwise
/// revert to PFXTargetViewport_TargetSize if there is none
PFXTargetViewport_NamedInTexture0,
};
DefineEnumType( PFXTargetViewport );

2
Templates/Empty/game/core/scripts/client/postFx/ssao.cs
View file

@ -190,7 +190,7 @@ singleton PostEffect( SSAOPostFx )
target = "$outTex";
targetScale = "0.5 0.5";
targetViewport = "PFXTargetViewport_GFXViewport";
targetViewport = "PFXTargetViewport_NamedInTexture0";
singleton PostEffect()
{

2
Templates/Full/game/core/scripts/client/postFx/ssao.cs
View file

@ -190,7 +190,7 @@ singleton PostEffect( SSAOPostFx )
target = "$outTex";
targetScale = "0.5 0.5";
targetViewport = "PFXTargetViewport_GFXViewport";
targetViewport = "PFXTargetViewport_NamedInTexture0";
singleton PostEffect()
{