/* -*- 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"
#include <memory>
namespace mozilla {
namespace layers {
class SurfaceTextureImage;
}
// namespace layers
namespace widget {
class CompositorWidget;
}
// namespace widget
namespace gl {
inline std::shared_ptr<EglDisplay> DefaultEglDisplay(
nsACString*
const out_failureId) {
const auto lib = GLLibraryEGL::Get(out_failureId);
if (!lib) {
return nullptr;
}
return lib->DefaultDisplay(out_failureId);
}
inline std::shared_ptr<EglDisplay> CreateSoftwareEglDisplay(
nsACString*
const out_failureId) {
const auto lib = GLLibraryEGL::Get(out_failureId);
if (!lib) {
return nullptr;
}
return lib->CreateDisplay(
false,
true, out_failureId);
}
// -
class GLContextEGL final :
public GLContext {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextEGL, override)
static RefPtr<GLContextEGL> CreateGLContext(
std::shared_ptr<EglDisplay>,
const GLContextDesc&,
EGLConfig surfaceConfig, EGLSurface surface,
const bool useGles,
EGLConfig contextConfig, nsACString*
const out_failureId);
private:
GLContextEGL(std::shared_ptr<EglDisplay>,
const GLContextDesc&,
EGLConfig surfaceConfig, EGLSurface surface, EGLContext context);
~GLContextEGL();
public:
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->mLib->IsANGLE(); }
virtual bool IsWARP()
const override {
return mEgl->mIsWARP; }
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;
GLint GetBufferAge()
const override;
virtual void GetWSIInfo(nsCString*
const out)
const override;
EGLSurface GetEGLSurface()
const {
return mSurface; }
bool HasExtBufferAge()
const;
bool HasKhrPartialUpdate()
const;
bool BindTex2DOffscreen(GLContext* aOffscreen);
void UnbindTex2DOffscreen(GLContext* aOffscreen);
void BindOffscreenFramebuffer();
void Destroy();
static RefPtr<GLContextEGL> CreateWithoutSurface(
std::shared_ptr<EglDisplay>,
const GLContextCreateDesc&,
nsACString*
const out_FailureId);
static RefPtr<GLContextEGL> CreateEGLSurfacelessContext(
const std::shared_ptr<EglDisplay> display,
const GLContextCreateDesc& desc, nsACString*
const out_failureId);
static EGLSurface CreateEGLSurfaceForCompositorWidget(
widget::CompositorWidget* aCompositorWidget,
const EGLConfig aConfig);
static void DestroySurface(EglDisplay&,
const EGLSurface aSurface);
#ifdef MOZ_X11
static bool FindVisual(
int*
const out_visualId);
#endif
protected:
friend class GLContextProviderEGL;
friend class GLContextEGLFactory;
virtual void OnMarkDestroyed() override;
public:
const std::shared_ptr<EglDisplay> mEgl;
const EGLConfig mSurfaceConfig;
const EGLContext mContext;
protected:
EGLSurface mSurface;
const EGLSurface mFallbackSurface;
EGLSurface mSurfaceOverride = EGL_NO_SURFACE;
bool mBound =
false;
bool mIsPBuffer =
false;
bool mIsDoubleBuffered =
false;
bool mCanBindToTexture =
false;
bool mShareWithEGLImage =
false;
bool mOwnsContext =
true;
nsIntRegion mDamageRegion;
static EGLSurface CreatePBufferSurfaceTryingPowerOfTwo(
EglDisplay&, EGLConfig, EGLenum bindToTextureFormat,
gfx::IntSize& pbsize);
#ifdef MOZ_WAYLAND
static EGLSurface CreateWaylandOffscreenSurface(EglDisplay&, EGLConfig,
gfx::IntSize& pbsize);
#endif
public:
EGLSurface CreateCompatibleSurface(
void* aWindow)
const;
};
bool CreateConfig(EglDisplay&, EGLConfig* aConfig, int32_t aDepth,
bool aEnableDepthBuffer,
bool aUseGles,
bool aAllowFallback =
true);
}
// namespace gl
}
// namespace mozilla
#endif // GLCONTEXTEGL_H_