PlatformDisplaySurfaceless.cpp

/*
 * Copyright (C) 2023 Igalia S.L.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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#include "config.h"
#include "PlatformDisplaySurfaceless.h"

#if USE(EGL)
#include "GLContext.h"
#include <epoxy/egl.h>

namespace WebCore {

std::unique_ptr<PlatformDisplaySurfaceless> PlatformDisplaySurfaceless::create()
{
    return std::unique_ptr<PlatformDisplaySurfaceless>(new PlatformDisplaySurfaceless());
}

PlatformDisplaySurfaceless::PlatformDisplaySurfaceless()
{
#if PLATFORM(GTK)
    PlatformDisplay::setSharedDisplayForCompositing(*this);
#endif

    const char* extensions = eglQueryString(nullptr, EGL_EXTENSIONS);
    if (GLContext::isExtensionSupported(extensions, "EGL_EXT_platform_base"))
        m_eglDisplay = eglGetPlatformDisplayEXT(EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY, nullptr);
    else if (GLContext::isExtensionSupported(extensions, "EGL_KHR_platform_base"))
        m_eglDisplay = eglGetPlatformDisplay(EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY, nullptr);

    PlatformDisplay::initializeEGLDisplay();
}

PlatformDisplaySurfaceless::~PlatformDisplaySurfaceless()
{
}

} // namespace WebCore

#endif // USE(EGL)