gecko/content/canvas/src/WebGLBuffer.h

76 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef WEBGLBUFFER_H_
#define WEBGLBUFFER_H_
#include "WebGLElementArrayCache.h"
#include "WebGLObjectModel.h"
#include "nsWrapperCache.h"
#include "mozilla/LinkedList.h"
namespace mozilla {
class WebGLBuffer MOZ_FINAL
: public nsISupports
, public WebGLRefCountedObject<WebGLBuffer>
, public LinkedListElement<WebGLBuffer>
, public WebGLContextBoundObject
, public nsWrapperCache
{
public:
WebGLBuffer(WebGLContext *context);
~WebGLBuffer();
void Delete();
size_t SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const {
size_t sizeOfCache = mCache ? mCache->SizeOfIncludingThis(aMallocSizeOf) : 0;
return aMallocSizeOf(this) + sizeOfCache;
}
bool HasEverBeenBound() { return mHasEverBeenBound; }
void SetHasEverBeenBound(bool x) { mHasEverBeenBound = x; }
GLuint GLName() const { return mGLName; }
GLuint ByteLength() const { return mByteLength; }
GLenum Target() const { return mTarget; }
void SetByteLength(GLuint byteLength) { mByteLength = byteLength; }
void SetTarget(GLenum target);
bool ElementArrayCacheBufferData(const void* ptr, size_t buffer_size_in_bytes);
void ElementArrayCacheBufferSubData(size_t pos, const void* ptr, size_t update_size_in_bytes);
bool Validate(WebGLenum type, uint32_t max_allowed, size_t first, size_t count) {
return mCache->Validate(type, max_allowed, first, count);
}
WebGLContext *GetParentObject() const {
return Context();
}
virtual JSObject* WrapObject(JSContext *cx,
JS::Handle<JSObject*> scope) MOZ_OVERRIDE;
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(WebGLBuffer)
protected:
WebGLuint mGLName;
bool mHasEverBeenBound;
GLuint mByteLength;
GLenum mTarget;
nsAutoPtr<WebGLElementArrayCache> mCache;
};
}
#endif //WEBGLBUFFER_H_