gecko-dev/gfx/gl/GLContextEGL.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=8 sts=4 et sw=4 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 GLCONTEXTEGL_H_
#define GLCONTEXTEGL_H_
#include "GLContext.h"
#include "GLLibraryEGL.h"
namespace mozilla {
namespace widget {
class CompositorWidget;
} // namespace widget
namespace gl {
class GLContextEGL : public GLContext
{
friend class TextureImageEGL;
static already_AddRefed<GLContextEGL>
CreateGLContext(CreateContextFlags flags,
const SurfaceCaps& caps,
bool isOffscreen,
EGLConfig config,
EGLSurface surface,
nsACString* const out_failureId);
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override)
GLContextEGL(CreateContextFlags flags,
const SurfaceCaps& caps,
bool isOffscreen,
EGLConfig config,
EGLSurface surface,
EGLContext context);
~GLContextEGL();
virtual GLContextType GetContextType() const override { return GLContextType::EGL; }
static GLContextEGL* Cast(GLContext* gl) {
MOZ_ASSERT(gl->GetContextType() == GLContextType::EGL);
return static_cast<GLContextEGL*>(gl);
}
bool Init() override;
virtual bool IsDoubleBuffered() const override {
return mIsDoubleBuffered;
}
void SetIsDoubleBuffered(bool aIsDB) {
mIsDoubleBuffered = aIsDB;
}
virtual bool IsANGLE() const override {
return GLLibraryEGL::Get()->IsANGLE();
}
virtual bool IsWARP() const override {
return GLLibraryEGL::Get()->IsWARP();
}
virtual bool BindTexImage() override;
virtual bool ReleaseTexImage() override;
void SetEGLSurfaceOverride(EGLSurface surf);
EGLSurface GetEGLSurfaceOverride() {
return mSurfaceOverride;
}
virtual bool MakeCurrentImpl() const override;
virtual bool IsCurrentImpl() const override;
virtual bool RenewSurface(widget::CompositorWidget* aWidget) override;
virtual void ReleaseSurface() override;
virtual bool SetupLookupFunction() override;
virtual bool SwapBuffers() override;
virtual void GetWSIInfo(nsCString* const out) const override;
// hold a reference to the given surface
// for the lifetime of this context.
void HoldSurface(gfxASurface* aSurf);
EGLSurface GetEGLSurface() const {
return mSurface;
}
EGLDisplay GetEGLDisplay() const {
return GLLibraryEGL::Get()->Display();
}
bool BindTex2DOffscreen(GLContext* aOffscreen);
void UnbindTex2DOffscreen(GLContext* aOffscreen);
void BindOffscreenFramebuffer();
void Destroy();
static already_AddRefed<GLContextEGL>
CreateEGLPBufferOffscreenContext(CreateContextFlags flags,
const gfx::IntSize& size,
const SurfaceCaps& minCaps,
nsACString* const out_FailureId);
protected:
friend class GLContextProviderEGL;
friend class GLContextEGLFactory;
public:
const EGLConfig mConfig;
protected:
const RefPtr<GLLibraryEGL> mEgl;
EGLSurface mSurface;
const EGLSurface mFallbackSurface;
public:
const EGLContext mContext;
protected:
EGLSurface mSurfaceOverride = EGL_NO_SURFACE;
RefPtr<gfxASurface> mThebesSurface;
bool mBound = false;
bool mIsPBuffer = false;
bool mIsDoubleBuffered = false;
bool mCanBindToTexture = false;
bool mShareWithEGLImage = false;
bool mOwnsContext = true;
static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(EGLConfig config,
EGLenum bindToTextureFormat,
gfx::IntSize& pbsize);
#if defined(MOZ_WAYLAND)
static EGLSurface CreateWaylandBufferSurface(EGLConfig config,
gfx::IntSize& pbsize);
#endif
#if defined(MOZ_WIDGET_ANDROID)
public:
EGLSurface CreateCompatibleSurface(void* aWindow);
#endif // defined(MOZ_WIDGET_ANDROID)
};
bool CreateConfig(EGLConfig* config, int32_t depth, bool enableDepthBuffer);
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTEGL_H_