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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef GL_SURFACE_EGL_QT_H_
#define GL_SURFACE_EGL_QT_H_
#include "gl_surface_qt.h"
#include <EGL/egl.h>
#include <EGL/eglext.h>
namespace gl {
class GLSurfaceEGLQt: public GLSurfaceQt {
public:
explicit GLSurfaceEGLQt(const gfx::Size& size);
static bool InitializeOneOff();
static bool InitializeExtensionSettingsOneOff();
bool Initialize(GLSurfaceFormat format) override;
void Destroy() override;
void* GetHandle() override;
bool Resize(const gfx::Size& size, float scale_factor,
const gfx::ColorSpace &color_space, bool has_alpha) override;
protected:
~GLSurfaceEGLQt();
public:
static bool g_egl_surfaceless_context_supported;
private:
EGLSurface m_surfaceBuffer;
static bool s_initialized;
};
// The following comment is cited from chromium/ui/gl/gl_surface_egl.cc:
// SurfacelessEGL is used as Offscreen surface when platform supports
// KHR_surfaceless_context and GL_OES_surfaceless_context. This would avoid the
// need to create a dummy EGLsurface in case we render to client API targets.
class GLSurfacelessQtEGL : public GLSurfaceQt {
public:
explicit GLSurfacelessQtEGL(const gfx::Size& size);
public:
bool Initialize(GLSurfaceFormat format) override;
void Destroy() override;
bool IsSurfaceless() const override;
bool Resize(const gfx::Size& size, float scale_factor,
const gfx::ColorSpace &color_space, bool has_alpha) override;
EGLSurface GetHandle() override;
void* GetShareHandle() override;
};
}
#endif
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