void ScnCanvasComponent::render( class ScnViewComponent* pViewComponent, RsFrame* pFrame, RsRenderSort Sort )
{
	if( HaveVertexBufferLock_ == BcFalse )
	{
		return;
	}
	BcAssertMsg( HaveVertexBufferLock_ == BcTrue, "ScnCanvasComponent: Can't render without a vertex buffer lock." );

	// HUD pass.
	Sort.Layer_ = 0;
	Sort.Pass_ = RS_SORT_PASS_MAX;

	// NOTE: Could do this sort inside of the renderer, but I'm just gonna keep the canvas
	//       as one solid object as to not conflict with other canvas objects when rendered
	//       to the scene. Will not sort by transparency or anything either.
	std::stable_sort( PrimitiveSectionList_.begin(), PrimitiveSectionList_.end(), ScnCanvasComponentPrimitiveSectionCompare() );
	
	// Cache last material instance.
	ScnMaterialComponent* pLastMaterialComponent = NULL;
	
	for( BcU32 Idx = 0; Idx < PrimitiveSectionList_.size(); ++Idx )
	{
		ScnCanvasComponentRenderNode* pRenderNode = pFrame->newObject< ScnCanvasComponentRenderNode >();
		
		pRenderNode->NoofSections_ = 1;//PrimitiveSectionList_.size();
		pRenderNode->pPrimitiveSections_ = pFrame->alloc< ScnCanvasComponentPrimitiveSection >( 1 );
		pRenderNode->pPrimitive_ = pRenderResource_->pPrimitive_;
		
		// Copy primitive sections in.
		BcMemCopy( pRenderNode->pPrimitiveSections_, &PrimitiveSectionList_[ Idx ], sizeof( ScnCanvasComponentPrimitiveSection ) * 1 );
		
		// Bind material.
		// NOTE: We should be binding for every single draw call. We can have the material deal with redundancy internally
		//       if need be. If using multiple canvases we could potentially lose a material bind.
		//if( pLastMaterialComponent != pRenderNode->pPrimitiveSections_->MaterialComponent_ )
		{
			pLastMaterialComponent = pRenderNode->pPrimitiveSections_->MaterialComponent_;
			pLastMaterialComponent->bind( pFrame, Sort );
		}
		
		// Add to frame.
		pRenderNode->Sort_ = Sort;
		pFrame->addRenderNode( pRenderNode );
	}
	
	// Unlock vertex buffer.
	pRenderResource_->pVertexBuffer_->setNoofUpdateVertices( VertexIndex_ );
	pRenderResource_->pVertexBuffer_->unlock();
	HaveVertexBufferLock_ = BcFalse;

	// Flip the render resource.
	CurrentRenderResource_ = 1 - CurrentRenderResource_;

	// Reset render resource pointers to aid debugging.
	pRenderResource_ = NULL;
	pVertices_ = pVerticesEnd_ = NULL;
}
void ScnCanvasComponent::render( class ScnViewComponent* pViewComponent, RsFrame* pFrame, RsRenderSort Sort )
{
	// Upload.
	size_t VertexDataSize = VertexIndex_ * sizeof( ScnCanvasComponentVertex );
	if( VertexDataSize > 0 )
	{
		UploadFence_.increment();
		RsCore::pImpl()->updateBuffer( 
			RenderResource_.pVertexBuffer_, 0, VertexDataSize, 
			RsResourceUpdateFlags::ASYNC,
			[ this, VertexDataSize ]
			( RsBuffer* Buffer, const RsBufferLock& BufferLock )
			{
				BcAssert( VertexDataSize <= Buffer->getDesc().SizeBytes_ );
				BcMemCopy( BufferLock.Buffer_, pWorkingVertices_, 
					VertexDataSize );
				UploadFence_.decrement();
			} );
	}

	// HUD pass.
	Sort.Layer_ = 0;
	Sort.Pass_ = RS_SORT_PASS_MAX;

	// NOTE: Could do this sort inside of the renderer, but I'm just gonna keep the canvas
	//       as one solid object as to not conflict with other canvas objects when rendered
	//       to the scene. Will not sort by transparency or anything either.
	//std::stable_sort( PrimitiveSectionList_.begin(), PrimitiveSectionList_.end(), ScnCanvasComponentPrimitiveSectionCompare() );
	
	// Cache last material instance.
	ScnMaterialComponent* pLastMaterialComponent = NULL;
	
	for( BcU32 Idx = 0; Idx < PrimitiveSectionList_.size(); ++Idx )
	{
		auto* PrimitiveSection = &PrimitiveSectionList_[ Idx ];
		ScnCanvasComponentRenderNode* pRenderNode = pFrame->newObject< ScnCanvasComponentRenderNode >();
		
		pRenderNode->NoofSections_ = 1;//PrimitiveSectionList_.size();
		pRenderNode->pPrimitiveSections_ = pFrame->alloc< ScnCanvasComponentPrimitiveSection >( 1 );
		pRenderNode->VertexBuffer_ = RenderResource_.pVertexBuffer_;
		pRenderNode->VertexDeclaration_ = VertexDeclaration_;
		
		// Copy primitive sections in.
		BcMemZero( pRenderNode->pPrimitiveSections_, sizeof( ScnCanvasComponentPrimitiveSection ) );
		*pRenderNode->pPrimitiveSections_ = *PrimitiveSection;
		
		// Bind material.
		// NOTE: We should be binding for every single draw call. We can have the material deal with redundancy internally
		//       if need be. If using multiple canvases we could potentially lose a material bind.
		//if( pLastMaterialComponent != pRenderNode->pPrimitiveSections_->MaterialComponent_ )
		{
			pLastMaterialComponent = pRenderNode->pPrimitiveSections_->MaterialComponent_;
			pLastMaterialComponent->bind( pFrame, Sort );
		}
		
		// Add to frame.
		//Sort.Layer_ = PrimitiveSection->Layer_;
		pRenderNode->Sort_ = Sort;
		pFrame->addRenderNode( pRenderNode );
	}
	
	// Reset vertices.
	pVertices_ = pVerticesEnd_ = nullptr;
}