blob: 45760eeeed9ff4cce74ccdd7278d7cfd7f5ecea7 [file] [log] [blame]
/*
* Copyright (C) 2017 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 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
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "HardwareAccelerationManager.h"
#include "WaylandCompositor.h"
#include <WebCore/NotImplemented.h>
#include <WebCore/PlatformDisplay.h>
#if USE(REDIRECTED_XCOMPOSITE_WINDOW)
#include <WebCore/PlatformDisplayX11.h>
#endif
namespace WebKit {
using namespace WebCore;
HardwareAccelerationManager& HardwareAccelerationManager::singleton()
{
static NeverDestroyed<HardwareAccelerationManager> manager;
return manager;
}
HardwareAccelerationManager::HardwareAccelerationManager()
: m_canUseHardwareAcceleration(true)
, m_forceHardwareAcceleration(false)
{
#if !ENABLE(OPENGL)
m_canUseHardwareAcceleration = false;
return;
#endif
const char* disableCompositing = getenv("WEBKIT_DISABLE_COMPOSITING_MODE");
if (disableCompositing && strcmp(disableCompositing, "0")) {
m_canUseHardwareAcceleration = false;
return;
}
#if USE(REDIRECTED_XCOMPOSITE_WINDOW)
if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::X11) {
auto& display = downcast<PlatformDisplayX11>(PlatformDisplay::sharedDisplay());
Optional<int> damageBase, errorBase;
if (!display.supportsXComposite() || !display.supportsXDamage(damageBase, errorBase)) {
m_canUseHardwareAcceleration = false;
return;
}
}
#endif
#if PLATFORM(WAYLAND) && USE(EGL)
if (PlatformDisplay::sharedDisplay().type() == PlatformDisplay::Type::Wayland) {
if (!WaylandCompositor::singleton().isRunning()) {
m_canUseHardwareAcceleration = false;
return;
}
}
#endif
const char* forceCompositing = getenv("WEBKIT_FORCE_COMPOSITING_MODE");
if (forceCompositing && strcmp(forceCompositing, "0"))
m_forceHardwareAcceleration = true;
}
} // namespace WebKit