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/* -*- 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_RENDERBUFFER_H_
#define WEBGL_RENDERBUFFER_H_
#include "mozilla/LinkedList.h"
#include "nsWrapperCache.h"
#include "WebGLFramebufferAttachable.h"
#include "WebGLObjectModel.h"
#include "WebGLStrongTypes.h"
namespace mozilla {
namespace webgl {
struct FormatUsageInfo;
}
class WebGLRenderbuffer final
: public nsWrapperCache
, public WebGLRefCountedObject<WebGLRenderbuffer>
, public LinkedListElement<WebGLRenderbuffer>
, public WebGLRectangleObject
, public WebGLFramebufferAttachable
{
friend class WebGLContext;
friend class WebGLFramebuffer;
friend class WebGLFBAttachPoint;
public:
const GLuint mPrimaryRB;
protected:
const bool mEmulatePackedDepthStencil;
GLuint mSecondaryRB;
const webgl::FormatUsageInfo* mFormat;
GLsizei mSamples;
WebGLImageDataStatus mImageDataStatus;
bool mHasBeenBound;
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLRenderbuffer)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLRenderbuffer)
explicit WebGLRenderbuffer(WebGLContext* webgl);
void Delete();
bool HasUninitializedImageData() const {
MOZ_ASSERT(mImageDataStatus != WebGLImageDataStatus::NoImageData);
return mImageDataStatus == WebGLImageDataStatus::UninitializedImageData;
}
bool IsDefined() const {
if (!mFormat) {
MOZ_ASSERT(!mWidth && !mHeight);
return false;
}
return true;
}
GLsizei Samples() const { return mSamples; }
const webgl::FormatUsageInfo* Format() const { return mFormat; }
int64_t MemoryUsage() const;
WebGLContext* GetParentObject() const {
return mContext;
}
void RenderbufferStorage(const char* funcName, uint32_t samples,
GLenum internalFormat, uint32_t width, uint32_t height);
// Only handles a subset of `pname`s.
GLint GetRenderbufferParameter(RBTarget target, RBParam pname) const;
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override;
protected:
~WebGLRenderbuffer() {
DeleteOnce();
}
void DoFramebufferRenderbuffer(FBTarget target, GLenum attachment) const;
GLenum DoRenderbufferStorage(uint32_t samples, const webgl::FormatUsageInfo* format,
uint32_t width, uint32_t height);
};
} // namespace mozilla
#endif // WEBGL_RENDERBUFFER_H_
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