skia2/modules/sksg/include/SkSGEffectNode.h
Florin Malita c0132ffa64 [skottie] Optimize opacity layerization
- plumb a RenderContext RenderNode::render() argument to track pending
    opacity

  - defer opacity application until we can determine whether a layer is
    required (group with multiple children) or the opacity can be pushed
    onto the draw paint (for single/atomic draws)

Bug: skia:
Change-Id: I962ba08bad780395d5d738307bde986e9efa502b
Reviewed-on: https://skia-review.googlesource.com/146445
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
2018-08-09 14:48:02 +00:00

39 lines
812 B
C++

/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSGEffectNode_DEFINED
#define SkSGEffectNode_DEFINED
#include "SkSGRenderNode.h"
namespace sksg {
/**
* Base class for nodes which apply some transformation when rendering
* their descendants.
*
* This includes transforms, clipping, filters, etc.
*/
class EffectNode : public RenderNode {
protected:
explicit EffectNode(sk_sp<RenderNode>);
~EffectNode() override;
void onRender(SkCanvas*, const RenderContext*) const override;
SkRect onRevalidate(InvalidationController*, const SkMatrix&) override;
private:
sk_sp<RenderNode> fChild;
typedef RenderNode INHERITED;
};
} // namespace sksg
#endif // SkSGEffectNode_DEFINED