michael@0: /*
michael@0:  * Copyright 2011 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef GrGLIndexBuffer_DEFINED
michael@0: #define GrGLIndexBuffer_DEFINED
michael@0: 
michael@0: #include "GrIndexBuffer.h"
michael@0: #include "GrGLBufferImpl.h"
michael@0: #include "gl/GrGLInterface.h"
michael@0: 
michael@0: class GrGpuGL;
michael@0: 
michael@0: class GrGLIndexBuffer : public GrIndexBuffer {
michael@0: 
michael@0: public:
michael@0:     typedef GrGLBufferImpl::Desc Desc;
michael@0: 
michael@0:     GrGLIndexBuffer(GrGpuGL* gpu, const Desc& desc);
michael@0:     virtual ~GrGLIndexBuffer() { this->release(); }
michael@0: 
michael@0:     GrGLuint bufferID() const { return fImpl.bufferID(); }
michael@0:     size_t baseOffset() const { return fImpl.baseOffset(); }
michael@0: 
michael@0:     void bind() const {
michael@0:         if (this->isValid()) {
michael@0:             fImpl.bind(this->getGpuGL());
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     // overrides of GrIndexBuffer
michael@0:     virtual void* lock();
michael@0:     virtual void* lockPtr() const;
michael@0:     virtual void unlock();
michael@0:     virtual bool isLocked() const;
michael@0:     virtual bool updateData(const void* src, size_t srcSizeInBytes);
michael@0: 
michael@0: protected:
michael@0:     // overrides of GrResource
michael@0:     virtual void onAbandon() SK_OVERRIDE;
michael@0:     virtual void onRelease() SK_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:     GrGpuGL* getGpuGL() const {
michael@0:         SkASSERT(this->isValid());
michael@0:         return (GrGpuGL*)(this->getGpu());
michael@0:     }
michael@0: 
michael@0:     GrGLBufferImpl fImpl;
michael@0: 
michael@0:     typedef GrIndexBuffer INHERITED;
michael@0: };
michael@0: 
michael@0: #endif