1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/gl/SurfaceFactory.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,59 @@
1.4 +/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "SurfaceFactory.h"
1.10 +
1.11 +#include "SharedSurface.h"
1.12 +
1.13 +namespace mozilla {
1.14 +namespace gfx {
1.15 +
1.16 +SurfaceFactory::~SurfaceFactory()
1.17 +{
1.18 + while (!mScraps.empty()) {
1.19 + SharedSurface* cur = mScraps.front();
1.20 + mScraps.pop();
1.21 +
1.22 + delete cur;
1.23 + }
1.24 +}
1.25 +
1.26 +SharedSurface*
1.27 +SurfaceFactory::NewSharedSurface(const gfx::IntSize& size)
1.28 +{
1.29 + // Attempt to reuse an old surface.
1.30 + while (!mScraps.empty()) {
1.31 + SharedSurface* cur = mScraps.front();
1.32 + mScraps.pop();
1.33 + if (cur->Size() == size)
1.34 + return cur;
1.35 +
1.36 + // Destroy old surfaces of the wrong size.
1.37 + delete cur;
1.38 + }
1.39 +
1.40 + SharedSurface* ret = CreateShared(size);
1.41 +
1.42 + return ret;
1.43 +}
1.44 +
1.45 +// Auto-deletes surfs of the wrong type.
1.46 +void
1.47 +SurfaceFactory::Recycle(SharedSurface*& surf)
1.48 +{
1.49 + if (!surf)
1.50 + return;
1.51 +
1.52 + if (surf->Type() == mType) {
1.53 + mScraps.push(surf);
1.54 + } else {
1.55 + delete surf;
1.56 + }
1.57 +
1.58 + surf = nullptr;
1.59 +}
1.60 +
1.61 +} /* namespace gfx */
1.62 +} /* namespace mozilla */
