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Squashed commit of the following: 

commit 1a5e9421d9d74ebd257fc5404687bd21bea62503
Author: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date:   Thu Dec 14 12:59:10 2023 +0100

    wip

commit db4a97a79ca5ff4f9a39223c7601d5d173862f70
Author: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date:   Thu Dec 14 12:58:42 2023 +0100

    wip

commit 5fc7c8298f26dabd14baca942d854924109d76f2
Author: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date:   Thu Dec 14 12:57:18 2023 +0100

    wip

commit a2a7056a1df69d1fcc5a6de7ebb6c1b99d1bf7eb
Author: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date:   Thu Dec 14 12:50:26 2023 +0100

    wip

commit a35d79069c20e2c76ef92eec308d5eb459f110ec
Author: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date:   Thu Dec 14 12:23:15 2023 +0100

    wip

commit d0828ee074c7a247621590b5575c587e1a876706
Author: Uwe Rathmann <Uwe.Rathmann@tigertal.de>
Date:   Thu Dec 14 11:17:37 2023 +0100

    wip
This commit is contained in:
Uwe Rathmann 2023-12-14 13:01:13 +01:00
parent dda2525970
commit f4fdc125e6
2 changed files with 111 additions and 17 deletions
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110
playground/parrots/SceneTexture.cpp
View File

@ -26,12 +26,11 @@ namespace
void setFinalNode( QSGTransformNode* node )
{
/*
we need to find a way how to block all nodes
that are rendered behing m_finalNode TODO ...
*/
m_finalNode = node;
if ( node != m_finalNode )
{
m_finalNode = node;
m_renderPassData.setDirty();
}
}
QRhiTexture* texture() const { return m_rhiTexture; }
@ -70,12 +69,25 @@ namespace
setViewportRect( r );
}
void renderScene() override
void render() override
{
Inherited::renderScene();
prepareRenderPass( &m_renderPassData );
m_renderPassData.postPrepare( rootNode(), m_finalNode );
beginRenderPass( &m_renderPassData );
recordRenderPass( &m_renderPassData );
endRenderPass( &m_renderPassData );
}
private:
void nodeChanged( QSGNode* node, QSGNode::DirtyState state ) override
{
if ( state & ( QSGNode::DirtyNodeAdded | QSGNode::DirtyNodeRemoved ) )
m_renderPassData.setDirty();
Inherited::nodeChanged( node, state );
}
void createTarget( const QSize& size )
{
const auto rhi = context()->rhi();
@ -112,11 +124,6 @@ namespace
m_rhiTexture = nullptr;
}
void nodeChanged( QSGNode* node, QSGNode::DirtyState state ) override
{
Inherited::nodeChanged( node, state );
}
private:
inline QSGRendererInterface::RenderMode renderMode(
QSGDefaultRenderContext* context ) const
@ -128,6 +135,83 @@ namespace
QRhiTexture* m_rhiTexture = nullptr;
QSGTransformNode* m_finalNode = nullptr;
class RenderPassData : public RenderPassContext
{
public:
void setDirty()
{
m_nodesDirty = true;
}
void postPrepare( const QSGNode* rootNode, const QSGNode* finalNode )
{
using namespace QSGBatchRenderer;;
if ( m_nodesDirty )
{
m_blockedNodes.clear();
for ( auto node = finalNode;
node && node != rootNode; node = node->parent() )
{
for ( auto sibling = node->nextSibling();
sibling != nullptr; sibling = sibling->nextSibling() )
{
markNodesAsBlocked( sibling );
}
}
m_nodesDirty = false;
}
for ( const auto& renderBatch : opaqueRenderBatches )
{
auto batch = const_cast< Batch* >( renderBatch.batch );
removeBlockedNodes( batch );
}
for ( auto& renderBatch : alphaRenderBatches )
{
auto batch = const_cast< Batch* >( renderBatch.batch );
removeBlockedNodes( batch );
}
}
private:
void markNodesAsBlocked( const QSGNode* node )
{
if ( node->type() == QSGNode::GeometryNodeType )
{
auto n = static_cast< const QSGGeometryNode* >( node );
m_blockedNodes.insert( n );
}
for ( auto child = node->firstChild();
child != nullptr; child = child->nextSibling() )
{
markNodesAsBlocked( child );
}
}
void removeBlockedNodes( QSGBatchRenderer::Batch* batch )
{
QSGBatchRenderer::Element** elementRef = &batch->first;
while( auto element = *elementRef )
{
if ( m_blockedNodes.contains( element->node ) )
*elementRef = element->nextInBatch;
else
elementRef = &element->nextInBatch;
}
}
bool m_nodesDirty = true;
QSet< const QSGGeometryNode* > m_blockedNodes;
};
RenderPassData m_renderPassData;
};
};

18
playground/parrots/main.cpp
View File

@ -22,10 +22,10 @@
#include "Overlay.h"
class ButtonBox : public QskLinearBox
class ForegroundItem : public QskLinearBox
{
public:
ButtonBox( QQuickItem* parent = nullptr )
ForegroundItem( QQuickItem* parent = nullptr )
: QskLinearBox( Qt::Vertical, parent )
{
setMargins( 20 );
@ -39,6 +39,10 @@ class ButtonBox : public QskLinearBox
auto button = new QskPushButton( "Button", this );
button->setLayoutAlignmentHint( Qt::AlignHCenter | Qt::AlignBottom );
label->setObjectName( "miniParrots" );
button->setObjectName( "button" );
setObjectName( "foreground" );
}
};
@ -50,6 +54,7 @@ class OverlayBox : public Overlay
OverlayBox( QQuickItem* parent = nullptr )
: Inherited( parent )
{
setObjectName( "overlay" );
}
protected:
@ -86,6 +91,9 @@ class BackgroundItem : public QskControl
m_label->setGraphic( QskGraphic::fromImage( image ) );
startTimer( 20 );
setObjectName( "background" );
m_label->setObjectName( "parrots" );
}
protected:
@ -135,13 +143,15 @@ class MainView : public QskControl
m_background = new BackgroundItem( this );
m_overlay = new OverlayBox( m_background );
(void )new ButtonBox( m_overlay );
(void )new ForegroundItem( m_overlay );
#if 0
#if 1
auto box = new QskBox( m_background );
box->setGeometry( 50, 50, 400, 200 );
box->setFillGradient( Qt::darkBlue );
box->setObjectName( "blueBox" );
#endif
setObjectName( "mainView" );
}
protected: