зеркало из https://github.com/mozilla/gecko-dev.git
99 строки
3.1 KiB
C++
99 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WEBGL_RENDERBUFFER_H_
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#define WEBGL_RENDERBUFFER_H_
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#include "mozilla/LinkedList.h"
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#include "nsWrapperCache.h"
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#include "WebGLFramebufferAttachable.h"
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#include "WebGLObjectModel.h"
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namespace mozilla {
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class WebGLRenderbuffer final
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: public nsWrapperCache
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, public WebGLRefCountedObject<WebGLRenderbuffer>
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, public LinkedListElement<WebGLRenderbuffer>
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, public WebGLRectangleObject
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, public WebGLContextBoundObject
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, public WebGLFramebufferAttachable
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{
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public:
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explicit WebGLRenderbuffer(WebGLContext* webgl);
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void Delete();
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bool HasUninitializedImageData() const {
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return mImageDataStatus == WebGLImageDataStatus::UninitializedImageData;
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}
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void SetImageDataStatus(WebGLImageDataStatus x) {
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// there is no way to go from having image data to not having any
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MOZ_ASSERT(x != WebGLImageDataStatus::NoImageData ||
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mImageDataStatus == WebGLImageDataStatus::NoImageData);
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mImageDataStatus = x;
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}
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GLsizei Samples() const { return mSamples; }
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void SetSamples(GLsizei samples) { mSamples = samples; }
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GLuint PrimaryGLName() const { return mPrimaryRB; }
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GLenum InternalFormat() const { return mInternalFormat; }
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void SetInternalFormat(GLenum internalFormat) {
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mInternalFormat = internalFormat;
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}
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GLenum InternalFormatForGL() const { return mInternalFormatForGL; }
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void SetInternalFormatForGL(GLenum internalFormatForGL) {
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mInternalFormatForGL = internalFormatForGL;
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}
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int64_t MemoryUsage() const;
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WebGLContext* GetParentObject() const {
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return Context();
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}
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void BindRenderbuffer() const;
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void RenderbufferStorage(GLsizei samples, GLenum internalFormat,
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GLsizei width, GLsizei height) const;
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void FramebufferRenderbuffer(FBAttachment attachment) const;
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// Only handles a subset of `pname`s.
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GLint GetRenderbufferParameter(RBTarget target, RBParam pname) const;
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virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> aGivenProto) override;
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NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLRenderbuffer)
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLRenderbuffer)
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protected:
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~WebGLRenderbuffer() {
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DeleteOnce();
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}
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GLuint mPrimaryRB;
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GLuint mSecondaryRB;
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GLenum mInternalFormat;
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GLenum mInternalFormatForGL;
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WebGLImageDataStatus mImageDataStatus;
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GLsizei mSamples;
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#ifdef ANDROID
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// Bug 1140459: Some drivers (including our test slaves!) don't
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// give reasonable answers for IsRenderbuffer, maybe others.
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// This shows up on Android 2.3 emulator.
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//
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// So we track the `is a Renderbuffer` state ourselves.
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bool mIsRB;
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#endif
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friend class WebGLContext;
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friend class WebGLFramebuffer;
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};
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} // namespace mozilla
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#endif // WEBGL_RENDERBUFFER_H_
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