gecko-dev/gfx/layers/mlgpu/ContainerLayerMLGPU.h

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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);
~ContainerLayerMLGPU() override;
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;
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;
}
protected:
bool OnPrepareToRender(FrameBuilder* aBuilder) override;
void OnLayerManagerChange(LayerManagerMLGPU* aManager) override;
Maybe<gfx::IntRect> ComputeIntermediateSurfaceBounds();
private:
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