gecko/dom/canvas/WebGLBuffer.h

79 lines
2.1 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 WEBGL_BUFFER_H_
#define WEBGL_BUFFER_H_
#include "GLDefs.h"
#include "mozilla/LinkedList.h"
#include "nsAutoPtr.h"
#include "nsWrapperCache.h"
#include "WebGLObjectModel.h"
#include "WebGLTypes.h"
namespace mozilla {
class WebGLElementArrayCache;
class WebGLBuffer final
: public nsWrapperCache
, public WebGLRefCountedObject<WebGLBuffer>
, public LinkedListElement<WebGLBuffer>
, public WebGLContextBoundObject
{
public:
enum class Kind {
Undefined,
ElementArray,
OtherData
};
explicit WebGLBuffer(WebGLContext* webgl, GLuint buf);
void BindTo(GLenum target);
Kind Content() const { return mContent; }
void Delete();
size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
WebGLsizeiptr ByteLength() const { return mByteLength; }
void SetByteLength(WebGLsizeiptr byteLength) { mByteLength = byteLength; }
bool ElementArrayCacheBufferData(const void* ptr, size_t bufferSizeInBytes);
void ElementArrayCacheBufferSubData(size_t pos, const void* ptr,
size_t updateSizeInBytes);
bool Validate(GLenum type, uint32_t max_allowed, size_t first, size_t count,
uint32_t* const out_upperBound);
bool IsElementArrayUsedWithMultipleTypes() const;
WebGLContext* GetParentObject() const {
return mContext;
}
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
const GLenum mGLName;
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLBuffer)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLBuffer)
protected:
~WebGLBuffer();
Kind mContent;
WebGLsizeiptr mByteLength;
nsAutoPtr<WebGLElementArrayCache> mCache;
};
} // namespace mozilla
#endif // WEBGL_BUFFER_H_