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