gecko-dev/dom/canvas/WebGLRenderbuffer.h

73 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "CacheInvalidator.h"
#include "WebGLObjectModel.h"
#include "WebGLStrongTypes.h"
#include "WebGLTexture.h"
namespace mozilla {
namespace webgl {
struct FormatUsageInfo;
}
class WebGLRenderbuffer final : public nsWrapperCache,
public WebGLRefCountedObject<WebGLRenderbuffer>,
public LinkedListElement<WebGLRenderbuffer>,
public WebGLRectangleObject,
public CacheInvalidator {
friend class WebGLFramebuffer;
friend class WebGLFBAttachPoint;
public:
const GLuint mPrimaryRB;
bool mHasBeenBound = false;
protected:
const bool mEmulatePackedDepthStencil;
GLuint mSecondaryRB;
webgl::ImageInfo mImageInfo;
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(WebGLRenderbuffer)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(WebGLRenderbuffer)
explicit WebGLRenderbuffer(WebGLContext* webgl);
void Delete();
const auto& ImageInfo() const { return mImageInfo; }
WebGLContext* GetParentObject() const { return mContext; }
void RenderbufferStorage(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;
auto MemoryUsage() const { return mImageInfo.MemoryUsage(); }
protected:
~WebGLRenderbuffer() { DeleteOnce(); }
void DoFramebufferRenderbuffer(GLenum attachment) const;
GLenum DoRenderbufferStorage(uint32_t samples,
const webgl::FormatUsageInfo* format,
uint32_t width, uint32_t height);
};
} // namespace mozilla
#endif // WEBGL_RENDERBUFFER_H_