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      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 #include "GrGLTransferBuffer.h"
      9 #include "GrGLGpu.h"
     10 #include "SkTraceMemoryDump.h"
     11 
     12 GrGLTransferBuffer::GrGLTransferBuffer(GrGLGpu* gpu, const Desc& desc, GrGLenum type)
     13     : INHERITED(gpu, desc.fSizeInBytes)
     14     , fImpl(gpu, desc, type) {
     15     this->registerWithCache();
     16 }
     17 
     18 void GrGLTransferBuffer::onRelease() {
     19     if (!this->wasDestroyed()) {
     20         fImpl.release(this->getGpuGL());
     21     }
     22 
     23     INHERITED::onRelease();
     24 }
     25 
     26 void GrGLTransferBuffer::onAbandon() {
     27     fImpl.abandon();
     28     INHERITED::onAbandon();
     29 }
     30 
     31 void* GrGLTransferBuffer::onMap() {
     32     if (!this->wasDestroyed()) {
     33         return fImpl.map(this->getGpuGL());
     34     } else {
     35         return nullptr;
     36     }
     37 }
     38 
     39 void GrGLTransferBuffer::onUnmap() {
     40     if (!this->wasDestroyed()) {
     41         fImpl.unmap(this->getGpuGL());
     42     }
     43 }
     44 
     45 void GrGLTransferBuffer::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
     46                                           const SkString& dumpName) const {
     47     SkString buffer_id;
     48     buffer_id.appendU32(this->bufferID());
     49     traceMemoryDump->setMemoryBacking(dumpName.c_str(), "gl_buffer",
     50                                       buffer_id.c_str());
     51 }
     52