impeller::egl::Surface Class Reference

An instance of an EGL surface. There is no ability to create surfaces directly. Instead, one must be created using a Display connection. More...

#include <surface.h>

Public Member Functions
	~Surface ()
bool	IsValid () const
const EGLSurface &	GetHandle () const
bool	Present () const
	Present the surface. For an offscreen pixel buffer surface, this is a no-op. More...

Friends
class	Display

Detailed Description

An instance of an EGL surface. There is no ability to create surfaces directly. Instead, one must be created using a Display connection.

Definition at line 18 of file surface.h.

Constructor & Destructor Documentation

~Surface()

impeller::egl::Surface::~Surface

(

)

Definition at line 13 of file surface.cc.

                  {
  if (surface_ != EGL_NO_SURFACE) {
    if (::eglDestroySurface(display_, surface_) != EGL_TRUE) {
      IMPELLER_LOG_EGL_ERROR;
    }
  }
}

References IMPELLER_LOG_EGL_ERROR.

Member Function Documentation

GetHandle()

const EGLSurface & impeller::egl::Surface::GetHandle

(

)

const

Returns

Get the handle to the underlying surface.

Definition at line 21 of file surface.cc.

                                           {
  return surface_;
}

Referenced by impeller::egl::Context::MakeCurrent().

IsValid()

bool impeller::egl::Surface::IsValid

(

)

const

Returns

True if this is a valid surface.

Definition at line 25 of file surface.cc.

                            {
  return surface_ != EGL_NO_SURFACE;
}

Present()

bool impeller::egl::Surface::Present

(

)

const

Present the surface. For an offscreen pixel buffer surface, this is a no-op.

Returns

True if the surface could be presented.

Definition at line 29 of file surface.cc.

                            {
  const auto result = ::eglSwapBuffers(display_, surface_) == EGL_TRUE;
  if (!result) {
    IMPELLER_LOG_EGL_ERROR;
  }
  return result;
}

References IMPELLER_LOG_EGL_ERROR.

Friends And Related Function Documentation

Display

friend class Display

friend

Definition at line 41 of file surface.h.

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The documentation for this class was generated from the following files:

• impeller/toolkit/egl/surface.h
• impeller/toolkit/egl/surface.cc