| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_canvas.hxx" |
| |
| #include <canvas/rendering/isurfaceproxymanager.hxx> |
| #include <canvas/rendering/isurfaceproxy.hxx> |
| #include "surfaceproxy.hxx" |
| |
| namespace canvas |
| { |
| |
| ////////////////////////////////////////////////////////////////////////////////// |
| // SurfaceProxyManager |
| ////////////////////////////////////////////////////////////////////////////////// |
| |
| class SurfaceProxyManager : public ISurfaceProxyManager |
| { |
| public: |
| |
| SurfaceProxyManager( const IRenderModuleSharedPtr pRenderModule ) : |
| mpPageManager( new PageManager(pRenderModule) ) |
| { |
| } |
| |
| /** 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 ISurfaceProxySharedPtr createSurfaceProxy( const IColorBufferSharedPtr& pBuffer ) const |
| { |
| // 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 SurfaceProxySharedPtr(new SurfaceProxy(pBuffer,mpPageManager)); |
| } |
| |
| private: |
| PageManagerSharedPtr mpPageManager; |
| }; |
| |
| ////////////////////////////////////////////////////////////////////////////////// |
| // createSurfaceProxyManager |
| ////////////////////////////////////////////////////////////////////////////////// |
| |
| ISurfaceProxyManagerSharedPtr createSurfaceProxyManager( const IRenderModuleSharedPtr& rRenderModule ) |
| { |
| return ISurfaceProxyManagerSharedPtr( |
| new SurfaceProxyManager( |
| rRenderModule)); |
| } |
| } |
