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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_gfx_layers_mlgpu_ContainerLayerMLGPU_h
#define mozilla_gfx_layers_mlgpu_ContainerLayerMLGPU_h
#include "LayerMLGPU.h"
#include "MLGDeviceTypes.h"
namespace mozilla {
namespace layers {
class MLGDevice;
class RenderViewMLGPU;
class ContainerLayerMLGPU final : public ContainerLayer, public LayerMLGPU {
public:
explicit ContainerLayerMLGPU(LayerManagerMLGPU* aManager);
virtual ~ContainerLayerMLGPU();
MOZ_LAYER_DECL_NAME("ContainerLayerMLGPU", TYPE_CONTAINER)
HostLayer* AsHostLayer() override { return this; }
ContainerLayerMLGPU* AsContainerLayerMLGPU() override { return this; }
Layer* GetLayer() override { return this; }
void ComputeEffectiveTransforms(
const gfx::Matrix4x4& aTransformToSurface) override {
DefaultComputeEffectiveTransforms(aTransformToSurface);
}
void SetInvalidCompositeRect(const gfx::IntRect* aRect) override;
void ClearCachedResources() override;
const LayerIntRegion& GetShadowVisibleRegion() override;
RefPtr<MLGRenderTarget> UpdateRenderTarget(MLGDevice* aDevice,
MLGRenderTargetFlags aFlags);
MLGRenderTarget* GetRenderTarget() const { return mRenderTarget; }
gfx::IntPoint GetTargetOffset() const { return mTargetOffset; }
gfx::IntSize GetTargetSize() const { return mTargetSize; }
const gfx::IntRect& GetInvalidRect() const { return mInvalidRect; }
void ClearInvalidRect() { mInvalidRect.SetEmpty(); }
bool IsContentOpaque() override;
bool NeedsSurfaceCopy() const { return mSurfaceCopyNeeded; }
RenderViewMLGPU* GetRenderView() const { return mView; }
void SetRenderView(RenderViewMLGPU* aView) {
MOZ_ASSERT(!mView);
mView = aView;
}
void ComputeIntermediateSurfaceBounds();
// Similar to ContainerLayerComposite, we need to include the pres shell
// resolution, if there is one, in the layer's post-scale.
float GetPostXScale() const override {
return mSimpleAttrs.GetPostXScale() * mPresShellResolution;
}
float GetPostYScale() const override {
return mSimpleAttrs.GetPostYScale() * mPresShellResolution;
}
protected:
bool OnPrepareToRender(FrameBuilder* aBuilder) override;
void OnLayerManagerChange(LayerManagerMLGPU* aManager) override;
private:
static Maybe<gfx::IntRect> FindVisibleBounds(
Layer* aLayer, const Maybe<RenderTargetIntRect>& aClip);
RefPtr<MLGRenderTarget> mRenderTarget;
// We cache these since occlusion culling can change the visible region.
gfx::IntPoint mTargetOffset;
gfx::IntSize mTargetSize;
// The region of the container that needs to be recomposited if visible. We
// store this as a rectangle instead of an nsIntRegion for efficiency. This
// is in layer coordinates.
gfx::IntRect mInvalidRect;
bool mInvalidateEntireSurface;
bool mSurfaceCopyNeeded;
// This is only valid for intermediate surfaces while an instance of
// FrameBuilder is live.
RenderViewMLGPU* mView;
};
} // namespace layers
} // namespace mozilla
#endif // mozilla_gfx_layers_mlgpu_ContainerLayerMLGPU_h
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