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 14class GrTextureUnitObj; 15 16//////////////////////////////////////////////////////////////////////////////// 17class GrTextureObj : public GrFBBindableObj { 18 GR_DEFINE_CREATOR(GrTextureObj) 19 20public: 21 GrTextureObj() 22 : GrFBBindableObj() { 23 } 24 25 ~GrTextureObj() override { 26 GrAlwaysAssert(0 == fTextureUnitReferees.count()); 27 } 28 29 void setBound(GrTextureUnitObj *referee) { 30 fTextureUnitReferees.append(1, &referee); 31 } 32 33 void resetBound(GrTextureUnitObj *referee) { 34 int index = fTextureUnitReferees.find(referee); 35 GrAlwaysAssert(0 <= index); 36 fTextureUnitReferees.removeShuffle(index); 37 } 38 bool getBound(GrTextureUnitObj *referee) const { 39 int index = fTextureUnitReferees.find(referee); 40 return 0 <= index; 41 } 42 bool getBound() const { 43 return 0 != fTextureUnitReferees.count(); 44 } 45 46 void deleteAction() override; 47 48protected: 49 50private: 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