Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             : * This Source Code Form is subject to the terms of the Mozilla Public
       3             : * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef mozilla_gfx_layers_mlgpu_ContainerLayerMLGPU_h
       7             : #define mozilla_gfx_layers_mlgpu_ContainerLayerMLGPU_h
       8             : 
       9             : #include "LayerMLGPU.h"
      10             : #include "MLGDeviceTypes.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace layers {
      14             : 
      15             : class MLGDevice;
      16             : 
      17             : class ContainerLayerMLGPU final : public ContainerLayer
      18             :                                 , public LayerMLGPU
      19             : {
      20             : public:
      21             :   explicit ContainerLayerMLGPU(LayerManagerMLGPU* aManager);
      22             :   ~ContainerLayerMLGPU() override;
      23             : 
      24           0 :   MOZ_LAYER_DECL_NAME("ContainerLayerMLGPU", TYPE_CONTAINER)
      25             : 
      26           0 :   HostLayer* AsHostLayer() override { return this; }
      27           0 :   ContainerLayerMLGPU* AsContainerLayerMLGPU() override { return this; }
      28           0 :   Layer* GetLayer() override { return this; }
      29             : 
      30           0 :   void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface) override {
      31           0 :     DefaultComputeEffectiveTransforms(aTransformToSurface);
      32           0 :   }
      33             :   void SetInvalidCompositeRect(const gfx::IntRect &aRect) override;
      34             :   void ClearCachedResources() override;
      35             : 
      36             :   RefPtr<MLGRenderTarget> UpdateRenderTarget(
      37             :     MLGDevice* aDevice,
      38             :     MLGRenderTargetFlags aFlags);
      39             : 
      40           0 :   MLGRenderTarget* GetRenderTarget() const {
      41           0 :     return mRenderTarget;
      42             :   }
      43           0 :   gfx::IntPoint GetTargetOffset() const {
      44           0 :     return mTargetOffset;
      45             :   }
      46           0 :   gfx::IntSize GetTargetSize() const {
      47           0 :     return mTargetSize;
      48             :   }
      49           0 :   const gfx::IntRect& GetInvalidRect() const {
      50           0 :     return mInvalidRect;
      51             :   }
      52           0 :   void ClearInvalidRect() {
      53           0 :     mInvalidRect.SetEmpty();
      54           0 :   }
      55             :   bool IsContentOpaque() override;
      56             : 
      57             : protected:
      58             :   bool OnPrepareToRender(FrameBuilder* aBuilder) override;
      59             :   void OnLayerManagerChange(LayerManagerMLGPU* aManager) override;
      60             :   Maybe<gfx::IntRect> ComputeIntermediateSurfaceBounds();
      61             : 
      62             : private:
      63             :   RefPtr<MLGRenderTarget> mRenderTarget;
      64             : 
      65             :   // We cache these since occlusion culling can change the visible region.
      66             :   gfx::IntPoint mTargetOffset;
      67             :   gfx::IntSize mTargetSize;
      68             : 
      69             :   // The region of the container that needs to be recomposited if visible. We
      70             :   // store this as a rectangle instead of an nsIntRegion for efficiency.
      71             :   gfx::IntRect mInvalidRect;
      72             : };
      73             : 
      74             : } // namespace layers
      75             : } // namespace mozilla
      76             : 
      77             : #endif // mozilla_gfx_layers_mlgpu_ContainerLayerMLGPU_h