1 /* 2 * Copyright 2015 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 SkImage_Gpu_DEFINED 9 #define SkImage_Gpu_DEFINED 10 11 #include "GrTexture.h" 12 #include "GrGpuResourcePriv.h" 13 #include "SkBitmap.h" 14 #include "SkImage_Base.h" 15 #include "SkImagePriv.h" 16 #include "SkSurface.h" 17 18 class SkImage_Gpu : public SkImage_Base { 19 public: 20 SK_DECLARE_INST_COUNT(SkImage_Gpu) 21 22 /** 23 * An "image" can be a subset/window into a larger texture, so we explicit take the 24 * width and height. 25 */ 26 SkImage_Gpu(int w, int h, SkAlphaType, GrTexture*, int sampleCountForNewSurfaces, 27 SkSurface::Budgeted); 28 29 void applyBudgetDecision() const { 30 GrTexture* tex = this->getTexture(); 31 SkASSERT(tex); 32 if (fBudgeted) { 33 tex->resourcePriv().makeBudgeted(); 34 } else { 35 tex->resourcePriv().makeUnbudgeted(); 36 } 37 } 38 39 bool getROPixels(SkBitmap*) const override; 40 GrTexture* onGetTexture() const override { return fTexture; } 41 SkShader* onNewShader(SkShader::TileMode, 42 SkShader::TileMode, 43 const SkMatrix* localMatrix) const override; 44 bool isOpaque() const override; 45 SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const override; 46 bool onReadPixels(const SkImageInfo&, void* dstPixels, size_t dstRowBytes, 47 int srcX, int srcY) const override; 48 49 private: 50 SkAutoTUnref<GrTexture> fTexture; 51 const int fSampleCountForNewSurfaces; // 0 if we don't know 52 const SkAlphaType fAlphaType; 53 SkSurface::Budgeted fBudgeted; 54 55 typedef SkImage_Base INHERITED; 56 }; 57 58 #endif 59
