зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.4 KiB
C++
89 строки
2.4 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 "mozilla/UniquePtr.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
|
|
{
|
|
friend class WebGLContext;
|
|
friend class WebGL2Context;
|
|
friend class WebGLTexture;
|
|
friend class WebGLTransformFeedback;
|
|
|
|
public:
|
|
enum class Kind {
|
|
Undefined,
|
|
ElementArray,
|
|
OtherData
|
|
};
|
|
|
|
WebGLBuffer(WebGLContext* webgl, GLuint buf);
|
|
|
|
void SetContentAfterBind(GLenum target);
|
|
Kind Content() const { return mContent; }
|
|
|
|
void Delete();
|
|
|
|
size_t SizeOfIncludingThis(mozilla::MallocSizeOf mallocSizeOf) const;
|
|
|
|
GLenum Usage() const { return mUsage; }
|
|
size_t ByteLength() const { return mByteLength; }
|
|
|
|
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) const;
|
|
bool ValidateRange(const char* funcName, size_t byteOffset, size_t byteLen) const;
|
|
|
|
bool IsElementArrayUsedWithMultipleTypes() const;
|
|
|
|
WebGLContext* GetParentObject() const {
|
|
return mContext;
|
|
}
|
|
|
|
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
|
|
|
|
bool ValidateCanBindToTarget(const char* funcName, GLenum target);
|
|
void BufferData(GLenum target, size_t size, const void* data, GLenum usage);
|
|
|
|
const GLenum mGLName;
|
|
|
|
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLBuffer)
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLBuffer)
|
|
|
|
protected:
|
|
~WebGLBuffer();
|
|
|
|
Kind mContent;
|
|
GLenum mUsage;
|
|
size_t mByteLength;
|
|
UniquePtr<WebGLElementArrayCache> mCache;
|
|
size_t mNumActiveTFOs;
|
|
bool mBoundForTF;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // WEBGL_BUFFER_H_
|