Line data    Source code

       1             : /*
       2             :  * Copyright 2016 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : 
       8             : #ifndef GrTextureContext_DEFINED
       9             : #define GrTextureContext_DEFINED
      10             : 
      11             : #include "GrSurfaceContext.h"
      12             : #include "../private/GrTextureProxy.h"
      13             : 
      14             : class GrContext;
      15             : class GrDrawingManager;
      16             : class GrSurface;
      17             : class GrTextureOpList;
      18             : class GrTextureProxy;
      19             : struct SkIPoint;
      20             : struct SkIRect;
      21             : 
      22             : /**
      23             :  * A helper object to orchestrate commands (currently just copies) for GrSurfaces that are
      24             :  * GrTextures and not GrRenderTargets.
      25             :  */
      26             : class SK_API GrTextureContext : public GrSurfaceContext {
      27             : public:
      28             :     ~GrTextureContext() override;
      29             : 
      30           0 :     GrSurfaceProxy* asSurfaceProxy() override { return fTextureProxy.get(); }
      31           0 :     const GrSurfaceProxy* asSurfaceProxy() const override { return fTextureProxy.get(); }
      32           0 :     sk_sp<GrSurfaceProxy> asSurfaceProxyRef() override { return fTextureProxy; }
      33             : 
      34           0 :     GrTextureProxy* asTextureProxy() override { return fTextureProxy.get(); }
      35           0 :     sk_sp<GrTextureProxy> asTextureProxyRef() override { return fTextureProxy; }
      36             : 
      37             :     GrRenderTargetProxy* asRenderTargetProxy() override;
      38             :     sk_sp<GrRenderTargetProxy> asRenderTargetProxyRef() override;
      39             : 
      40             : protected:
      41             :     GrTextureContext(GrContext*, GrDrawingManager*, sk_sp<GrTextureProxy>,
      42             :                      sk_sp<SkColorSpace>, GrAuditTrail*, GrSingleOwner*);
      43             : 
      44             :     SkDEBUGCODE(void validate() const;)
      45             : 
      46             : private:
      47             :     friend class GrDrawingManager; // for ctor
      48             : 
      49             :     bool onCopy(GrSurfaceProxy* src, const SkIRect& srcRect, const SkIPoint& dstPoint) override;
      50             : 
      51             :     GrTextureOpList* getOpList();
      52             : 
      53             :     sk_sp<GrTextureProxy>        fTextureProxy;
      54             : 
      55             :     // In MDB-mode the GrOpList can be closed by some other renderTargetContext that has picked
      56             :     // it up. For this reason, the GrOpList should only ever be accessed via 'getOpList'.
      57             :     GrTextureOpList*             fOpList;
      58             : 
      59             :     typedef GrSurfaceContext INHERITED;
      60             : };
      61             : 
      62             : #endif