gecko-dev/gfx/gl/GLContextEGL.h

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/* -*- 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 GLCONTEXTEGL_H_
#define GLCONTEXTEGL_H_
#include "GLContext.h"
#include "GLLibraryEGL.h"
#include "nsRegion.h"
class gfxASurface;
namespace mozilla {
namespace widget {
class CompositorWidget;
} // namespace widget
namespace gl {
class GLContextEGL : public GLContext {
friend class TextureImageEGL;
static already_AddRefed<GLContextEGL> CreateGLContext(
GLLibraryEGL*, CreateContextFlags flags, const SurfaceCaps& caps,
bool isOffscreen, EGLConfig config, EGLSurface surface,
const bool useGles, nsACString* const out_failureId);
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override)
GLContextEGL(GLLibraryEGL*, 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 mEgl->IsANGLE(); }
virtual bool IsWARP() const override { return mEgl->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;
Maybe<SymbolLoader> GetSymbolLoader() const override;
virtual bool SwapBuffers() override;
virtual void SetDamage(const nsIntRegion& aDamageRegion) 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; }
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);
static already_AddRefed<GLContextEGL> CreateEGLPBufferOffscreenContextImpl(
CreateContextFlags flags, const gfx::IntSize& size,
const SurfaceCaps& minCaps, bool aUseGles,
nsACString* const out_FailureId);
#if defined(MOZ_WAYLAND) || defined(MOZ_WIDGET_ANDROID)
static EGLSurface CreateEGLSurfaceForCompositorWidget(
widget::CompositorWidget* aCompositorWidget, const EGLConfig aConfig);
#endif
protected:
friend class GLContextProviderEGL;
friend class GLContextEGLFactory;
virtual void OnMarkDestroyed() override;
public:
const RefPtr<GLLibraryEGL> mEgl;
const EGLConfig mConfig;
const EGLContext mContext;
protected:
EGLSurface mSurface;
const EGLSurface mFallbackSurface;
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;
nsIntRegion mDamageRegion;
static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(
GLLibraryEGL*, EGLConfig config, EGLenum bindToTextureFormat,
gfx::IntSize& pbsize);
#if defined(MOZ_WAYLAND)
static EGLSurface CreateWaylandBufferSurface(GLLibraryEGL*, EGLConfig config,
gfx::IntSize& pbsize);
#endif
#if defined(MOZ_WIDGET_ANDROID)
public:
EGLSurface CreateCompatibleSurface(void* aWindow);
#endif // defined(MOZ_WIDGET_ANDROID)
};
bool CreateConfig(GLLibraryEGL* const egl, EGLConfig* aConfig, int32_t depth,
bool aEnableDepthBuffer, bool aUseGles);
} // namespace gl
} // namespace mozilla
#endif // GLCONTEXTEGL_H_