| /* |
| * 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 |
| |