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/*
* Copyright (C) 2017 Metrological Group B.V.
* 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* HOLDER 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 "NicosiaPaintingEngine.h"
#include "NicosiaPaintingEngineBasic.h"
#include "NicosiaPaintingEngineThreaded.h"
#include <wtf/NumberOfCores.h>
#include <wtf/text/StringToIntegerConversion.h>
namespace Nicosia {
std::unique_ptr<PaintingEngine> PaintingEngine::create()
{
#if PLATFORM(WPE) || USE(GTK4)
unsigned numThreads = std::max(1, std::min(8, WTF::numberOfProcessorCores() / 2));
#else
unsigned numThreads = 0;
#endif
if (const char* numThreadsEnv = getenv("WEBKIT_NICOSIA_PAINTING_THREADS")) {
auto newValue = parseInteger<unsigned>(StringView::fromLatin1(numThreadsEnv));
if (newValue && *newValue <= 8)
numThreads = *newValue;
else
WTFLogAlways("The number of Nicosia painting threads is not between 0 and 8. Using the default value %u\n", numThreads);
}
if (numThreads)
return std::unique_ptr<PaintingEngine>(new PaintingEngineThreaded(numThreads));
return std::unique_ptr<PaintingEngine>(new PaintingEngineBasic);
}
} // namespace Nicosia
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