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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_COMMON_GL_OZONE_EGL_H_
#define UI_OZONE_COMMON_GL_OZONE_EGL_H_
#include "base/callback.h"
#include "base/macros.h"
#include "ui/gl/gl_implementation.h"
#include "ui/ozone/public/gl_ozone.h"
namespace ui {
// A partial implementation of GLOzone for EGL.
class GLOzoneEGL : public GLOzone {
public:
GLOzoneEGL() {}
~GLOzoneEGL() override {}
// GLOzone:
bool InitializeGLOneOffPlatform() override;
bool InitializeStaticGLBindings(gl::GLImplementation implementation) override;
void InitializeDebugGLBindings() override;
void ShutdownGL() override;
bool GetGLWindowSystemBindingInfo(
gl::GLWindowSystemBindingInfo* info) override;
scoped_refptr<gl::GLContext> CreateGLContext(
gl::GLShareGroup* share_group,
gl::GLSurface* compatible_surface,
const gl::GLContextAttribs& attribs) override;
scoped_refptr<gl::GLSurface> CreateViewGLSurface(
gfx::AcceleratedWidget window) override = 0;
scoped_refptr<gl::GLSurface> CreateSurfacelessViewGLSurface(
gfx::AcceleratedWidget window) override;
scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
const gfx::Size& size) override = 0;
protected:
// Returns native platform display handle. This is used to obtain the EGL
// display connection for the native display.
virtual intptr_t GetNativeDisplay() = 0;
// Sets up GL bindings for the native surface.
virtual bool LoadGLES2Bindings() = 0;
private:
DISALLOW_COPY_AND_ASSIGN(GLOzoneEGL);
};
} // namespace ui
#endif // UI_OZONE_COMMON_GL_OZONE_EGL_H_