src/image/SkImage_Gpu.h

   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     SkImage_Gpu(const SkBitmap&, int sampleCountForNewSurfaces, SkSurface::Budgeted);
  23
  24     void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) const SK_OVERRIDE;
  25     void onDrawRect(SkCanvas*, const SkRect* src, const SkRect& dst,
  26                     const SkPaint*) const SK_OVERRIDE;
  27     SkSurface* onNewSurface(const SkImageInfo&, const SkSurfaceProps&) const SK_OVERRIDE;
  28     GrTexture* onGetTexture() const SK_OVERRIDE;
  29     bool getROPixels(SkBitmap*) const SK_OVERRIDE;
  30
  31     GrTexture* getTexture() const { return fBitmap.getTexture(); }
  32
  33     SkShader* onNewShader(SkShader::TileMode,
  34                                   SkShader::TileMode,
  35                                   const SkMatrix* localMatrix) const SK_OVERRIDE;
  36
  37     bool isOpaque() const SK_OVERRIDE;
  38
  39     void applyBudgetDecision() const {
  40         if (fBudgeted) {
  41             fBitmap.getTexture()->resourcePriv().makeBudgeted();
  42         } else {
  43             fBitmap.getTexture()->resourcePriv().makeUnbudgeted();
  44         }
  45     }
  46
  47 private:
  48     SkBitmap            fBitmap;
  49     const int           fSampleCountForNewSurfaces;   // 0 if we don't know
  50     SkSurface::Budgeted fBudgeted;
  51
  52     typedef SkImage_Base INHERITED;
  53 };
  54
  55 #endif