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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* 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 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 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.
*/
#pragma once
#include <atomic>
namespace JSC {
class MacroAssembler;
extern "C" JS_EXPORT_PRIVATE std::atomic<uint32_t> g_superSamplerCount;
void initializeSuperSampler();
class SuperSamplerScope {
public:
SuperSamplerScope(bool doSample = true)
: m_doSample(doSample)
{
if (m_doSample)
++g_superSamplerCount;
}
~SuperSamplerScope()
{
if (m_doSample)
--g_superSamplerCount;
}
void release()
{
ASSERT(m_doSample);
--g_superSamplerCount;
m_doSample = false;
}
private:
bool m_doSample;
};
JS_EXPORT_PRIVATE void resetSuperSamplerState();
JS_EXPORT_PRIVATE void printSuperSamplerState();
JS_EXPORT_PRIVATE void enableSuperSampler();
JS_EXPORT_PRIVATE void disableSuperSampler();
} // namespace JSC
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