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1 /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #include "SurfaceFactory.h" |
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7 |
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8 #include "SharedSurface.h" |
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9 |
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10 namespace mozilla { |
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11 namespace gfx { |
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12 |
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13 SurfaceFactory::~SurfaceFactory() |
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14 { |
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15 while (!mScraps.empty()) { |
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16 SharedSurface* cur = mScraps.front(); |
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17 mScraps.pop(); |
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18 |
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19 delete cur; |
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20 } |
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21 } |
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22 |
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23 SharedSurface* |
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24 SurfaceFactory::NewSharedSurface(const gfx::IntSize& size) |
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25 { |
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26 // Attempt to reuse an old surface. |
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27 while (!mScraps.empty()) { |
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28 SharedSurface* cur = mScraps.front(); |
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29 mScraps.pop(); |
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30 if (cur->Size() == size) |
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31 return cur; |
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32 |
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33 // Destroy old surfaces of the wrong size. |
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34 delete cur; |
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35 } |
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36 |
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37 SharedSurface* ret = CreateShared(size); |
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38 |
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39 return ret; |
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40 } |
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41 |
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42 // Auto-deletes surfs of the wrong type. |
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43 void |
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44 SurfaceFactory::Recycle(SharedSurface*& surf) |
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45 { |
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46 if (!surf) |
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47 return; |
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48 |
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49 if (surf->Type() == mType) { |
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50 mScraps.push(surf); |
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51 } else { |
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52 delete surf; |
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53 } |
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54 |
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55 surf = nullptr; |
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56 } |
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57 |
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58 } /* namespace gfx */ |
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59 } /* namespace mozilla */ |