95 lines
2.7 KiB
C++
95 lines
2.7 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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#include "WebGLStrongTypes.h"
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namespace mozilla {
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namespace webgl {
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struct FormatUsageInfo;
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}
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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 WebGLFramebufferAttachable
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{
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friend class WebGLContext;
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friend class WebGLFramebuffer;
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friend class WebGLFBAttachPoint;
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public:
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const GLuint mPrimaryRB;
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protected:
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const bool mEmulatePackedDepthStencil;
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GLuint mSecondaryRB;
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const webgl::FormatUsageInfo* mFormat;
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GLsizei mSamples;
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WebGLImageDataStatus mImageDataStatus;
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bool mHasBeenBound;
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public:
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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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explicit WebGLRenderbuffer(WebGLContext* webgl);
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void Delete();
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bool HasUninitializedImageData() const {
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MOZ_ASSERT(mImageDataStatus != WebGLImageDataStatus::NoImageData);
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return mImageDataStatus == WebGLImageDataStatus::UninitializedImageData;
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}
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bool IsDefined() const {
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if (!mFormat) {
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MOZ_ASSERT(!mWidth && !mHeight);
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return false;
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}
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return true;
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}
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GLsizei Samples() const { return mSamples; }
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const webgl::FormatUsageInfo* Format() const { return mFormat; }
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int64_t MemoryUsage() const;
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WebGLContext* GetParentObject() const {
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return mContext;
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}
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void RenderbufferStorage(const char* funcName, uint32_t samples,
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GLenum internalFormat, uint32_t width, uint32_t height);
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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*> givenProto) override;
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protected:
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~WebGLRenderbuffer() {
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DeleteOnce();
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}
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void DoFramebufferRenderbuffer(FBTarget target, GLenum attachment) const;
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GLenum DoRenderbufferStorage(uint32_t samples, const webgl::FormatUsageInfo* format,
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uint32_t width, uint32_t height);
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};
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} // namespace mozilla
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#endif // WEBGL_RENDERBUFFER_H_
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