The Tor Browser: gfx/gl/SurfaceFactory.cpp@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "SurfaceFactory.h"

     8 #include "SharedSurface.h"

    10 namespace mozilla {

    11 namespace gfx {

    13 SurfaceFactory::~SurfaceFactory()

    14 {

    15     while (!mScraps.empty()) {

    16         SharedSurface* cur = mScraps.front();

    17         mScraps.pop();

    19         delete cur;

    20     }

    21 }

    23 SharedSurface*

    24 SurfaceFactory::NewSharedSurface(const gfx::IntSize& size)

    25 {

    26     // Attempt to reuse an old surface.

    27     while (!mScraps.empty()) {

    28         SharedSurface* cur = mScraps.front();

    29         mScraps.pop();

    30         if (cur->Size() == size)

    31             return cur;

    33         // Destroy old surfaces of the wrong size.

    34         delete cur;

    35     }

    37     SharedSurface* ret = CreateShared(size);

    39     return ret;

    40 }

    42 // Auto-deletes surfs of the wrong type.

    43 void

    44 SurfaceFactory::Recycle(SharedSurface*& surf)

    45 {

    46     if (!surf)

    47         return;

    49     if (surf->Type() == mType) {

    50         mScraps.push(surf);

    51     } else {

    52         delete surf;

    53     }

    55     surf = nullptr;

    56 }

    58 } /* namespace gfx */

    59 } /* namespace mozilla */

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