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