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/*
* Copyright (C) 2012 Google 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 AND ITS 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 APPLE OR ITS 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.
*/
#ifndef WebGraphicsMemoryAllocation_h
#define WebGraphicsMemoryAllocation_h
#include "WebCommon.h"
namespace WebKit {
struct WebGraphicsMemoryAllocation {
// Deprecated data, to be removed from this structure.
unsigned gpuResourceSizeInBytes;
bool suggestHaveBackbuffer;
enum PriorityCutoff {
// Allow no allocations.
PriorityCutoffAllowNothing,
// Allow only allocations that are visible.
PriorityCutoffAllowVisibleOnly,
// Allow only allocations that are few screens away from being visible.
PriorityCutoffAllowVisibleAndNearby,
// Allow all allocations.
PriorityCutoffAllowEverything,
};
// Limits when this renderer is visible.
size_t bytesLimitWhenVisible;
PriorityCutoff priorityCutoffWhenVisible;
// Limits when this renderer is not visible.
size_t bytesLimitWhenNotVisible;
PriorityCutoff priorityCutoffWhenNotVisible;
bool haveBackbufferWhenNotVisible;
// If true, enforce this policy just once, but do not keep
// it as a permanent policy.
bool enforceButDoNotKeepAsPolicy;
WebGraphicsMemoryAllocation()
: gpuResourceSizeInBytes(0)
, suggestHaveBackbuffer(false)
, bytesLimitWhenVisible(0)
, priorityCutoffWhenVisible(PriorityCutoffAllowNothing)
, bytesLimitWhenNotVisible(0)
, priorityCutoffWhenNotVisible(PriorityCutoffAllowNothing)
, haveBackbufferWhenNotVisible(false)
, enforceButDoNotKeepAsPolicy(false)
{
}
WebGraphicsMemoryAllocation(unsigned gpuResourceSizeInBytes, bool suggestHaveBackbuffer)
: gpuResourceSizeInBytes(gpuResourceSizeInBytes)
, suggestHaveBackbuffer(suggestHaveBackbuffer)
, bytesLimitWhenVisible(0)
, priorityCutoffWhenVisible(PriorityCutoffAllowNothing)
, bytesLimitWhenNotVisible(0)
, priorityCutoffWhenNotVisible(PriorityCutoffAllowNothing)
, haveBackbufferWhenNotVisible(false)
, enforceButDoNotKeepAsPolicy(false)
{
}
};
} // namespace WebKit
#endif
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