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60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
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/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SurfaceFactory.h"
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#include "SharedSurface.h"
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namespace mozilla {
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namespace gfx {
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SurfaceFactory::~SurfaceFactory()
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{
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while (!mScraps.empty()) {
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SharedSurface* cur = mScraps.front();
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mScraps.pop();
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delete cur;
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}
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}
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SharedSurface*
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SurfaceFactory::NewSharedSurface(const gfxIntSize& size)
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{
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// Attempt to reuse an old surface.
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while (!mScraps.empty()) {
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SharedSurface* cur = mScraps.front();
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mScraps.pop();
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if (cur->Size() == size)
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return cur;
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// Destroy old surfaces of the wrong size.
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delete cur;
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}
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SharedSurface* ret = CreateShared(size);
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return ret;
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}
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// Auto-deletes surfs of the wrong type.
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void
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SurfaceFactory::Recycle(SharedSurface*& surf)
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{
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if (!surf)
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return;
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if (surf->Type() == mType) {
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mScraps.push(surf);
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} else {
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delete surf;
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}
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surf = nullptr;
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}
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} /* namespace gfx */
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} /* namespace mozilla */
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