Line data    Source code

       1             : /*
       2             :  * Copyright 2011 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             : 
       9             : #ifndef GrGLStencilAttachment_DEFINED
      10             : #define GrGLStencilAttachment_DEFINED
      11             : 
      12             : #include "gl/GrGLInterface.h"
      13             : #include "GrStencilAttachment.h"
      14             : 
      15           0 : class GrGLStencilAttachment : public GrStencilAttachment {
      16             : public:
      17             :     static const GrGLenum kUnknownInternalFormat = ~0U;
      18             :     static const GrGLuint kUnknownBitCount = ~0U;
      19             :     struct Format {
      20             :         GrGLenum  fInternalFormat;
      21             :         GrGLuint  fStencilBits;
      22             :         GrGLuint  fTotalBits;
      23             :         bool      fPacked;
      24             :     };
      25             : 
      26             :     struct IDDesc {
      27           0 :         IDDesc() : fRenderbufferID(0) {}
      28             :         GrGLuint fRenderbufferID;
      29             :     };
      30             : 
      31           0 :     GrGLStencilAttachment(GrGpu* gpu,
      32             :                           const IDDesc& idDesc,
      33             :                           int width, int height,
      34             :                           int sampleCnt,
      35             :                           const Format& format)
      36           0 :         : GrStencilAttachment(gpu, width, height, format.fStencilBits, sampleCnt)
      37             :         , fFormat(format)
      38           0 :         , fRenderbufferID(idDesc.fRenderbufferID) {
      39           0 :         this->registerWithCache(SkBudgeted::kYes);
      40           0 :     }
      41             : 
      42           0 :     GrGLuint renderbufferID() const {
      43           0 :         return fRenderbufferID;
      44             :     }
      45             : 
      46           0 :     const Format& format() const { return fFormat; }
      47             : 
      48             : protected:
      49             :     // overrides of GrResource
      50             :     void onRelease() override;
      51             :     void onAbandon() override;
      52             :     void setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
      53             :                           const SkString& dumpName) const override;
      54             : 
      55             : private:
      56             :     size_t onGpuMemorySize() const override;
      57             : 
      58             :     Format fFormat;
      59             :     // may be zero for external SBs associated with external RTs
      60             :     // (we don't require the client to give us the id, just tell
      61             :     // us how many bits of stencil there are).
      62             :     GrGLuint fRenderbufferID;
      63             : 
      64             :     typedef GrStencilAttachment INHERITED;
      65             : };
      66             : 
      67             : #endif