gecko-dev/gfx/gl/GLContextEAGL.h

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C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 GLCONTEXTEAGL_H_
#define GLCONTEXTEAGL_H_
#include "GLContext.h"
#include <CoreGraphics/CoreGraphics.h>
#include <OpenGLES/EAGL.h>
namespace mozilla {
namespace gl {
class GLContextEAGL : public GLContext {
friend class GLContextProviderEAGL;
EAGLContext* const mContext;
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEAGL, override)
GLContextEAGL(CreateContextFlags flags, const SurfaceCaps& caps,
EAGLContext* context, GLContext* sharedContext,
bool isOffscreen, ContextProfile profile);
~GLContextEAGL();
virtual GLContextType GetContextType() const override {
return GLContextType::EAGL;
}
static GLContextEAGL* Cast(GLContext* gl) {
MOZ_ASSERT(gl->GetContextType() == GLContextType::EAGL);
return static_cast<GLContextEAGL*>(gl);
}
bool AttachToWindow(nsIWidget* aWidget);
EAGLContext* GetEAGLContext() const { return mContext; }
virtual bool MakeCurrentImpl() const override;
virtual bool IsCurrentImpl() const override;
Maybe<SymbolLoader> GetSymbolLoader() const override;
virtual bool IsDoubleBuffered() const override;
virtual bool SwapBuffers() override;
virtual void GetWSIInfo(nsCString* const out) const override;
virtual GLuint GetDefaultFramebuffer() override { return mBackbufferFB; }
virtual bool RenewSurface(nsIWidget* aWidget) override {
// FIXME: should use the passed widget instead of the existing one.
return RecreateRB();
}
private:
GLuint mBackbufferRB = 0;
GLuint mBackbufferFB = 0;
void* mLayer = nullptr;
bool RecreateRB();
};
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTEAGL_H_