The Tor Browser: gfx/skia/trunk/src/gpu/gl/debug/GrBufferObj.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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  */

     9 #ifndef GrBufferObj_DEFINED

    10 #define GrBufferObj_DEFINED

    12 #include "GrFakeRefObj.h"

    13 #include "../GrGLDefines.h"

    15 ////////////////////////////////////////////////////////////////////////////////

    16 class GrBufferObj : public GrFakeRefObj {

    17     GR_DEFINE_CREATOR(GrBufferObj);

    19 public:

    20     GrBufferObj()

    21         : GrFakeRefObj()

    22         , fDataPtr(NULL)

    23         , fMapped(false)

    24         , fBound(false)

    25         , fSize(0)

    26         , fUsage(GR_GL_STATIC_DRAW) {

    27     }

    28     virtual ~GrBufferObj() {

    29         delete[] fDataPtr;

    30     }

    32     void access() {

    33         // cannot access the buffer if it is currently mapped

    34         GrAlwaysAssert(!fMapped);

    35     }

    37     void setMapped()             { fMapped = true; }

    38     void resetMapped()           { fMapped = false; }

    39     bool getMapped() const       { return fMapped; }

    41     void setBound()              { fBound = true; }

    42     void resetBound()            { fBound = false; }

    43     bool getBound() const        { return fBound; }

    45     void allocate(GrGLsizeiptr size, const GrGLchar *dataPtr);

    46     GrGLsizeiptr getSize() const { return fSize; }

    47     GrGLchar *getDataPtr()       { return fDataPtr; }

    49     void setUsage(GrGLint usage) { fUsage = usage; }

    50     GrGLint getUsage() const     { return fUsage; }

    52     virtual void deleteAction() SK_OVERRIDE;

    54 protected:

    55 private:

    57     GrGLchar*    fDataPtr;

    58     bool         fMapped;       // is the buffer object mapped via "glMapBuffer"?

    59     bool         fBound;        // is the buffer object bound via "glBindBuffer"?

    60     GrGLsizeiptr fSize;         // size in bytes

    61     GrGLint      fUsage;        // one of: GL_STREAM_DRAW,

    62                                 //         GL_STATIC_DRAW,

    63                                 //         GL_DYNAMIC_DRAW

    65     typedef GrFakeRefObj INHERITED;

    66 };

    68 #endif // GrBufferObj_DEFINED

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