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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /canvas/source/tools/surfaceproxymanager.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'canvas/source/tools/surfaceproxymanager.cxx')
-rw-r--r--canvas/source/tools/surfaceproxymanager.cxx73
1 files changed, 73 insertions, 0 deletions
diff --git a/canvas/source/tools/surfaceproxymanager.cxx b/canvas/source/tools/surfaceproxymanager.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <rendering/isurfaceproxy.hxx>
+#include <rendering/isurfaceproxymanager.hxx>
+
+#include "surfaceproxy.hxx"
+
+namespace canvas
+{
+ namespace {
+
+ class SurfaceProxyManager : public ISurfaceProxyManager
+ {
+ public:
+
+ explicit SurfaceProxyManager( const std::shared_ptr<IRenderModule>& rRenderModule ) :
+ mpPageManager( std::make_shared<PageManager>(rRenderModule) )
+ {
+ }
+
+ /** the whole idea is build around the concept that you create
+ some arbitrary buffer which contains the image data and
+ tell the texture manager about it. from there on you can
+ draw this image using any kind of graphics api you want.
+ in the technical sense we allocate some space in local
+ videomemory or AGP memory which will be filled on demand,
+ which means if there exists any rendering operation that
+ needs to read from this memory location. this method
+ creates a logical hardware surface object which uses the
+ given color buffer as the image source. internally this
+ texture may be distributed to several real hardware
+ surfaces.
+ */
+ virtual std::shared_ptr<ISurfaceProxy> createSurfaceProxy( const std::shared_ptr<IColorBuffer>& pBuffer ) const override
+ {
+ // not much to do for now, simply allocate a new surface
+ // proxy from our internal pool and initialize this thing
+ // properly. we *don't* create a hardware surface for now.
+ return std::make_shared<SurfaceProxy>(pBuffer,mpPageManager);
+ }
+
+ private:
+ PageManagerSharedPtr mpPageManager;
+ };
+
+ }
+
+ std::shared_ptr<ISurfaceProxyManager> createSurfaceProxyManager( const std::shared_ptr<IRenderModule>& rRenderModule )
+ {
+ return std::make_shared<SurfaceProxyManager>(rRenderModule);
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */