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Map/unmap vertices once per layer order update 

Multiple memory map/unmap operations cause a significant delay on
GPUs that fetch vertices from RAM.

Fixes: lp:1701936
* https://bugs.launchpad.net/kicad/+bug/1701936
This commit is contained in:
Maciej Suminski 2017-08-21 13:26:00 +02:00
parent a20cce0753
commit b5db6a7d5d
4 changed files with 17 additions and 28 deletions
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1
common/gal/opengl/gpu_manager.cpp
View File

@ -183,6 +183,7 @@ void GPU_CACHED_MANAGER::EndDrawing()
glBindBuffer( GL_ARRAY_BUFFER, 0 );
glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, 0 );
cached->ClearDirty();
// Deactivate vertex array
glDisableClientState( GL_COLOR_ARRAY );

28
common/view/view.cpp
View File

@ -717,25 +717,6 @@ struct VIEW::changeItemsDepth
};
void VIEW::ChangeLayerDepth( int aLayer, int aDepth )
{
// There is no point in updating non-cached layers
if( !IsCached( aLayer ) )
return;
BOX2I r;
r.SetMaximum();
m_gal->BeginUpdate();
changeItemsDepth visitor( aLayer, aDepth, m_gal );
m_layers[aLayer].items->Query( r, visitor );
m_gal->EndUpdate();
MarkTargetDirty( m_layers[aLayer].target );
}
int VIEW::GetTopLayer() const
{
if( m_topLayers.size() == 0 )
@ -814,13 +795,20 @@ void VIEW::ClearTopLayers()
void VIEW::UpdateAllLayersOrder()
{
BOX2I r;
r.SetMaximum();
sortLayers();
m_gal->BeginUpdate();
for( LAYER_MAP::value_type& l : m_layers )
{
ChangeLayerDepth( l.first, l.second.renderingOrder );
int layer = l.first;
changeItemsDepth visitor( layer, l.second.renderingOrder, m_gal );
m_layers[layer].items->Query( r, visitor );
}
m_gal->EndUpdate();
MarkDirty();
}

8
include/gal/opengl/vertex_container.h
View File

@ -157,6 +157,14 @@ public:
m_dirty = true;
}
/**
* Clears the dirty flag to prevent reuploading vertices to the GPU memory.
*/
void ClearDirty()
{
m_dirty = false;
}
protected:
VERTEX_CONTAINER( unsigned int aSize = DEFAULT_SIZE );

8
include/view/view.h
View File

@ -469,14 +469,6 @@ public:
*/
void UpdateAllLayersColor();
/**
* Function ChangeLayerDepth()
* Changes the depth of items on the given layer.
* @param aLayer is a number of the layer to be updated.
* @param aDepth is the new depth.
*/
void ChangeLayerDepth( int aLayer, int aDepth );
/**
* Function SetTopLayer()
* Sets given layer to be displayed on the top or sets back the default order of layers.