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 WEBGLRENDERBUFFER_H_
michael@0: #define WEBGLRENDERBUFFER_H_
michael@0: 
michael@0: #include "WebGLObjectModel.h"
michael@0: #include "WebGLFramebufferAttachable.h"
michael@0: 
michael@0: #include "nsWrapperCache.h"
michael@0: 
michael@0: #include "mozilla/LinkedList.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: class WebGLRenderbuffer MOZ_FINAL
michael@0:     : public nsWrapperCache
michael@0:     , public WebGLRefCountedObject<WebGLRenderbuffer>
michael@0:     , public LinkedListElement<WebGLRenderbuffer>
michael@0:     , public WebGLRectangleObject
michael@0:     , public WebGLContextBoundObject
michael@0:     , public WebGLFramebufferAttachable
michael@0: {
michael@0: public:
michael@0:     WebGLRenderbuffer(WebGLContext *context);
michael@0: 
michael@0:     ~WebGLRenderbuffer() {
michael@0:         DeleteOnce();
michael@0:     }
michael@0: 
michael@0:     void Delete();
michael@0: 
michael@0:     bool HasEverBeenBound() { return mHasEverBeenBound; }
michael@0:     void SetHasEverBeenBound(bool x) { mHasEverBeenBound = x; }
michael@0: 
michael@0:     bool HasUninitializedImageData() const { return mImageDataStatus == WebGLImageDataStatus::UninitializedImageData; }
michael@0:     void SetImageDataStatus(WebGLImageDataStatus x) {
michael@0:         // there is no way to go from having image data to not having any
michael@0:         MOZ_ASSERT(x != WebGLImageDataStatus::NoImageData ||
michael@0:                    mImageDataStatus == WebGLImageDataStatus::NoImageData);
michael@0:         mImageDataStatus = x;
michael@0:     }
michael@0: 
michael@0:     GLenum InternalFormat() const { return mInternalFormat; }
michael@0:     void SetInternalFormat(GLenum aInternalFormat) { mInternalFormat = aInternalFormat; }
michael@0: 
michael@0:     GLenum InternalFormatForGL() const { return mInternalFormatForGL; }
michael@0:     void SetInternalFormatForGL(GLenum aInternalFormatForGL) { mInternalFormatForGL = aInternalFormatForGL; }
michael@0: 
michael@0:     int64_t MemoryUsage() const;
michael@0: 
michael@0:     WebGLContext *GetParentObject() const {
michael@0:         return Context();
michael@0:     }
michael@0: 
michael@0:     void BindRenderbuffer() const;
michael@0:     void RenderbufferStorage(GLenum internalFormat, GLsizei width, GLsizei height) const;
michael@0:     void FramebufferRenderbuffer(GLenum attachment) const;
michael@0:     // Only handles a subset of `pname`s.
michael@0:     GLint GetRenderbufferParameter(GLenum target, GLenum pname) const;
michael@0: 
michael@0:     virtual JSObject* WrapObject(JSContext *cx) MOZ_OVERRIDE;
michael@0: 
michael@0:     NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLRenderbuffer)
michael@0:     NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLRenderbuffer)
michael@0: 
michael@0: protected:
michael@0:     GLuint mPrimaryRB;
michael@0:     GLuint mSecondaryRB;
michael@0:     GLenum mInternalFormat;
michael@0:     GLenum mInternalFormatForGL;
michael@0:     bool mHasEverBeenBound;
michael@0:     WebGLImageDataStatus mImageDataStatus;
michael@0: 
michael@0:     friend class WebGLFramebuffer;
michael@0: };
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif