1 2 /* 3 * Copyright 2012 Google Inc. 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 #ifndef GrTextureObj_DEFINED 10 #define GrTextureObj_DEFINED 11 12 #include "GrFBBindableObj.h" 13 14 class GrTextureUnitObj; 15 16 //////////////////////////////////////////////////////////////////////////////// 17 class GrTextureObj : public GrFBBindableObj { GR_DEFINE_CREATOR(GrTextureObj)18 GR_DEFINE_CREATOR(GrTextureObj) 19 20 public: 21 GrTextureObj() 22 : GrFBBindableObj() { 23 } 24 ~GrTextureObj()25 ~GrTextureObj() override { 26 GrAlwaysAssert(0 == fTextureUnitReferees.count()); 27 } 28 setBound(GrTextureUnitObj * referee)29 void setBound(GrTextureUnitObj *referee) { 30 fTextureUnitReferees.append(1, &referee); 31 } 32 resetBound(GrTextureUnitObj * referee)33 void resetBound(GrTextureUnitObj *referee) { 34 int index = fTextureUnitReferees.find(referee); 35 GrAlwaysAssert(0 <= index); 36 fTextureUnitReferees.removeShuffle(index); 37 } getBound(GrTextureUnitObj * referee)38 bool getBound(GrTextureUnitObj *referee) const { 39 int index = fTextureUnitReferees.find(referee); 40 return 0 <= index; 41 } getBound()42 bool getBound() const { 43 return 0 != fTextureUnitReferees.count(); 44 } 45 46 void deleteAction() override; 47 48 protected: 49 50 private: 51 // texture units that bind this texture (via "glBindTexture") 52 SkTDArray<GrTextureUnitObj *> fTextureUnitReferees; 53 54 typedef GrFBBindableObj INHERITED; 55 }; 56 57 #endif // GrTextureObj_DEFINED 58