[768] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 | #include "OgreRenderTarget.h"
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| 27 | #include "OgreStringConverter.h"
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| 28 |
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| 29 | #include "OgreViewport.h"
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| 30 | #include "OgreException.h"
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| 31 | #include "OgreLogManager.h"
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| 32 | #include "OgreRenderTargetListener.h"
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| 33 | #include "OgrePlatformManager.h"
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| 34 | #include "OgreRoot.h"
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| 35 |
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| 36 | namespace Ogre {
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| 37 |
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| 38 | RenderTarget::RenderTarget()
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| 39 | :mPriority(OGRE_DEFAULT_RT_GROUP),
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| 40 | mActive(true),
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| 41 | mAutoUpdate(true)
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| 42 | #ifdef GAMETOOLS_ILLUMINATION_MODULE
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| 43 | , lastFrame(0)
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| 44 | #endif
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| 45 | {
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| 46 | mTimer = Root::getSingleton().getTimer();
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| 47 | resetStatistics();
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| 48 | }
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| 49 |
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| 50 | RenderTarget::~RenderTarget()
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| 51 | {
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| 52 | // Delete viewports
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| 53 | for (ViewportList::iterator i = mViewportList.begin();
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| 54 | i != mViewportList.end(); ++i)
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| 55 | {
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| 56 | delete (*i).second;
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| 57 | }
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| 58 |
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| 59 |
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| 60 | // Write closing message
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| 61 | StringUtil::StrStreamType msg;
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| 62 | msg << "Render Target '" << mName << "' "
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| 63 | << "Average FPS: " << mStats.avgFPS << " "
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| 64 | << "Best FPS: " << mStats.bestFPS << " "
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| 65 | << "Worst FPS: " << mStats.worstFPS;
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| 66 | LogManager::getSingleton().logMessage(msg.str());
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| 67 |
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| 68 | }
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| 69 |
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| 70 | const String& RenderTarget::getName(void) const
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| 71 | {
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| 72 | return mName;
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| 73 | }
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| 74 |
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| 75 |
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| 76 | void RenderTarget::getMetrics(unsigned int& width, unsigned int& height, unsigned int& colourDepth)
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| 77 | {
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| 78 | width = mWidth;
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| 79 | height = mHeight;
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| 80 | colourDepth = mColourDepth;
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| 81 | }
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| 82 |
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| 83 | unsigned int RenderTarget::getWidth(void) const
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| 84 | {
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| 85 | return mWidth;
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| 86 | }
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| 87 | unsigned int RenderTarget::getHeight(void) const
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| 88 | {
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| 89 | return mHeight;
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| 90 | }
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| 91 | unsigned int RenderTarget::getColourDepth(void) const
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| 92 | {
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| 93 | return mColourDepth;
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| 94 | }
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| 95 |
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| 96 | void RenderTarget::update(void)
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| 97 | {
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| 98 |
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| 99 | // notify listeners (pre)
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| 100 | firePreUpdate();
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| 101 |
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| 102 | mStats.triangleCount = 0;
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| 103 | // Go through viewports in Z-order
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| 104 | // Tell each to refresh
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| 105 | ViewportList::iterator it = mViewportList.begin();
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| 106 | while (it != mViewportList.end())
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| 107 | {
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| 108 | fireViewportPreUpdate((*it).second);
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| 109 | (*it).second->update();
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| 110 | mStats.triangleCount += (*it).second->_getNumRenderedFaces();
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| 111 | fireViewportPostUpdate((*it).second);
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| 112 | ++it;
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| 113 | }
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| 114 |
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| 115 | // notify listeners (post)
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| 116 | firePostUpdate();
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| 117 |
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| 118 | // Update statistics (always on top)
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| 119 | updateStats();
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| 120 |
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| 121 |
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| 122 | }
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| 123 |
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| 124 | Viewport* RenderTarget::addViewport(Camera* cam, int ZOrder, float left, float top ,
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| 125 | float width , float height)
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| 126 | {
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| 127 | // Check no existing viewport with this Z-order
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| 128 | ViewportList::iterator it = mViewportList.find(ZOrder);
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| 129 |
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| 130 | if (it != mViewportList.end())
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| 131 | {
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| 132 | StringUtil::StrStreamType str;
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| 133 | str << "Can't create another viewport for "
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| 134 | << mName << " with Z-Order " << ZOrder
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| 135 | << " because a viewport exists with this Z-Order already.";
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| 136 | OGRE_EXCEPT(9999, str.str(), "RenderTarget::addViewport");
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| 137 | }
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| 138 | // Add viewport to list
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| 139 | // Order based on Z-Order
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| 140 | Viewport* vp = new Viewport(cam, this, left, top, width, height, ZOrder);
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| 141 |
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| 142 | mViewportList.insert(ViewportList::value_type(ZOrder, vp));
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| 143 |
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| 144 | fireViewportAdded(vp);
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| 145 |
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| 146 | return vp;
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| 147 | }
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| 148 | //-----------------------------------------------------------------------
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| 149 | void RenderTarget::removeViewport(int ZOrder)
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| 150 | {
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| 151 | ViewportList::iterator it = mViewportList.find(ZOrder);
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| 152 |
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| 153 | if (it != mViewportList.end())
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| 154 | {
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| 155 | fireViewportRemoved((*it).second);
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| 156 | delete (*it).second;
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| 157 | mViewportList.erase(ZOrder);
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| 158 | }
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| 159 | }
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| 160 |
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| 161 | void RenderTarget::removeAllViewports(void)
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| 162 | {
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| 163 |
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| 164 |
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| 165 | for (ViewportList::iterator it = mViewportList.begin(); it != mViewportList.end(); ++it)
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| 166 | {
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| 167 | delete (*it).second;
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| 168 | }
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| 169 |
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| 170 | mViewportList.clear();
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| 171 |
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| 172 | }
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| 173 |
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| 174 | void RenderTarget::getStatistics(float& lastFPS, float& avgFPS,
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| 175 | float& bestFPS, float& worstFPS) const
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| 176 | {
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| 177 |
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| 178 | // Note - the will have been updated by the last render
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| 179 | lastFPS = mStats.lastFPS;
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| 180 | avgFPS = mStats.avgFPS;
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| 181 | bestFPS = mStats.bestFPS;
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| 182 | worstFPS = mStats.worstFPS;
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| 183 |
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| 184 |
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| 185 | }
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| 186 |
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| 187 | const RenderTarget::FrameStats& RenderTarget::getStatistics(void) const
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| 188 | {
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| 189 | return mStats;
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| 190 | }
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| 191 |
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| 192 | float RenderTarget::getLastFPS() const
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| 193 | {
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| 194 | return mStats.lastFPS;
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| 195 | }
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| 196 | float RenderTarget::getAverageFPS() const
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| 197 | {
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| 198 | return mStats.avgFPS;
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| 199 | }
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| 200 | float RenderTarget::getBestFPS() const
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| 201 | {
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| 202 | return mStats.bestFPS;
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| 203 | }
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| 204 | float RenderTarget::getWorstFPS() const
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| 205 | {
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| 206 | return mStats.worstFPS;
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| 207 | }
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| 208 |
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| 209 | size_t RenderTarget::getTriangleCount(void) const
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| 210 | {
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| 211 | return mStats.triangleCount;
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| 212 | }
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| 213 |
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| 214 | float RenderTarget::getBestFrameTime() const
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| 215 | {
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| 216 | return mStats.bestFrameTime;
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| 217 | }
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| 218 |
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| 219 | float RenderTarget::getWorstFrameTime() const
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| 220 | {
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| 221 | return mStats.worstFrameTime;
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| 222 | }
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| 223 |
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| 224 | void RenderTarget::resetStatistics(void)
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| 225 | {
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| 226 | mStats.avgFPS = 0.0;
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| 227 | mStats.bestFPS = 0.0;
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| 228 | mStats.lastFPS = 0.0;
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| 229 | mStats.worstFPS = 999.0;
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| 230 | mStats.triangleCount = 0;
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| 231 | mStats.bestFrameTime = 999999;
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| 232 | mStats.worstFrameTime = 0;
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| 233 |
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| 234 | mLastTime = mTimer->getMilliseconds();
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| 235 | mLastSecond = mLastTime;
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| 236 | mFrameCount = 0;
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| 237 | }
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| 238 |
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| 239 | void RenderTarget::updateStats(void)
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| 240 | {
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| 241 | #ifdef GAMETOOLS_ILLUMINATION_MODULE
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| 242 | lastFrame = Root::getSingleton().getCurrentFrameNumber();
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| 243 | #endif
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| 244 |
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| 245 | ++mFrameCount;
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| 246 | unsigned long thisTime = mTimer->getMilliseconds();
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| 247 |
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| 248 | // check frame time
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| 249 | unsigned long frameTime = thisTime - mLastTime ;
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| 250 | mLastTime = thisTime ;
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| 251 |
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| 252 | mStats.bestFrameTime = std::min(mStats.bestFrameTime, frameTime);
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| 253 | mStats.worstFrameTime = std::max(mStats.worstFrameTime, frameTime);
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| 254 |
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| 255 | // check if new second (update only once per second)
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| 256 | if (thisTime - mLastSecond > 1000)
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| 257 | {
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| 258 | // new second - not 100% precise
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| 259 | mStats.lastFPS = (float)mFrameCount / (float)(thisTime - mLastSecond) * 1000.0;
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| 260 |
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| 261 | if (mStats.avgFPS == 0)
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| 262 | mStats.avgFPS = mStats.lastFPS;
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| 263 | else
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| 264 | mStats.avgFPS = (mStats.avgFPS + mStats.lastFPS) / 2; // not strictly correct, but good enough
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| 265 |
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| 266 | mStats.bestFPS = std::max(mStats.bestFPS, mStats.lastFPS);
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| 267 | mStats.worstFPS = std::min(mStats.worstFPS, mStats.lastFPS);
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| 268 |
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| 269 | mLastSecond = thisTime ;
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| 270 | mFrameCount = 0;
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| 271 |
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| 272 | }
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| 273 |
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| 274 | }
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| 275 |
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| 276 | void RenderTarget::getCustomAttribute(const String& name, void* pData)
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| 277 | {
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| 278 | OGRE_EXCEPT(Exception::ERR_INVALIDPARAMS, "Attribute not found.", "RenderTarget::getCustomAttribute");
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| 279 | }
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| 280 | //-----------------------------------------------------------------------
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| 281 | void RenderTarget::setDebugText(const String& text)
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| 282 | {
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| 283 | mDebugText = text;
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| 284 | }
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| 285 | //-----------------------------------------------------------------------
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| 286 | const String & RenderTarget::getDebugText() const
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| 287 | {
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| 288 | return mDebugText;
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| 289 | }
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| 290 | //-----------------------------------------------------------------------
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| 291 | void RenderTarget::addListener(RenderTargetListener* listener)
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| 292 | {
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| 293 | mListeners.push_back(listener);
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| 294 | }
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| 295 | //-----------------------------------------------------------------------
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| 296 | void RenderTarget::removeListener(RenderTargetListener* listener)
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| 297 | {
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| 298 | RenderTargetListenerList::iterator i;
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| 299 | for (i = mListeners.begin(); i != mListeners.end(); ++i)
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| 300 | {
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| 301 | if (*i == listener)
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| 302 | {
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| 303 | mListeners.erase(i);
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| 304 | break;
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| 305 | }
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| 306 | }
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| 307 |
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| 308 | }
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| 309 | //-----------------------------------------------------------------------
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| 310 | void RenderTarget::removeAllListeners(void)
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| 311 | {
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| 312 | mListeners.clear();
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| 313 | }
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| 314 | //-----------------------------------------------------------------------
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| 315 | void RenderTarget::firePreUpdate(void)
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| 316 | {
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| 317 | RenderTargetEvent evt;
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| 318 | evt.source = this;
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| 319 |
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| 320 | RenderTargetListenerList::iterator i, iend;
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| 321 | i = mListeners.begin();
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| 322 | iend = mListeners.end();
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| 323 | for(; i != iend; ++i)
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| 324 | {
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| 325 | (*i)->preRenderTargetUpdate(evt);
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| 326 | }
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| 327 |
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| 328 |
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| 329 | }
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| 330 | //-----------------------------------------------------------------------
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| 331 | void RenderTarget::firePostUpdate(void)
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| 332 | {
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| 333 | RenderTargetEvent evt;
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| 334 | evt.source = this;
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| 335 |
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| 336 | RenderTargetListenerList::iterator i, iend;
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| 337 | i = mListeners.begin();
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| 338 | iend = mListeners.end();
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| 339 | for(; i != iend; ++i)
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| 340 | {
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| 341 | (*i)->postRenderTargetUpdate(evt);
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| 342 | }
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| 343 | }
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| 344 | //-----------------------------------------------------------------------
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| 345 | unsigned short RenderTarget::getNumViewports(void) const
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| 346 | {
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| 347 | return (unsigned short)mViewportList.size();
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| 348 |
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| 349 | }
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| 350 | //-----------------------------------------------------------------------
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| 351 | Viewport* RenderTarget::getViewport(unsigned short index)
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| 352 | {
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| 353 | assert (index < mViewportList.size() && "Index out of bounds");
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| 354 |
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| 355 | ViewportList::iterator i = mViewportList.begin();
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| 356 | while (index--)
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| 357 | ++i;
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| 358 | return i->second;
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| 359 | }
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| 360 | //-----------------------------------------------------------------------
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| 361 | bool RenderTarget::isActive() const
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| 362 | {
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| 363 | return mActive;
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| 364 | }
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| 365 | //-----------------------------------------------------------------------
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| 366 | void RenderTarget::setActive( bool state )
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| 367 | {
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| 368 | mActive = state;
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| 369 | }
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| 370 | //-----------------------------------------------------------------------
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| 371 | void RenderTarget::fireViewportPreUpdate(Viewport* vp)
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| 372 | {
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| 373 | RenderTargetViewportEvent evt;
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| 374 | evt.source = vp;
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| 375 |
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| 376 | RenderTargetListenerList::iterator i, iend;
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| 377 | i = mListeners.begin();
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| 378 | iend = mListeners.end();
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| 379 | for(; i != iend; ++i)
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| 380 | {
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| 381 | (*i)->preViewportUpdate(evt);
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| 382 | }
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| 383 | }
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| 384 | //-----------------------------------------------------------------------
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| 385 | void RenderTarget::fireViewportPostUpdate(Viewport* vp)
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| 386 | {
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| 387 | RenderTargetViewportEvent evt;
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| 388 | evt.source = vp;
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| 389 |
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| 390 | RenderTargetListenerList::iterator i, iend;
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| 391 | i = mListeners.begin();
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| 392 | iend = mListeners.end();
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| 393 | for(; i != iend; ++i)
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| 394 | {
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| 395 | (*i)->postViewportUpdate(evt);
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| 396 | }
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| 397 | }
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| 398 | //-----------------------------------------------------------------------
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| 399 | void RenderTarget::fireViewportAdded(Viewport* vp)
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| 400 | {
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| 401 | RenderTargetViewportEvent evt;
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| 402 | evt.source = vp;
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| 403 |
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| 404 | RenderTargetListenerList::iterator i, iend;
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| 405 | i = mListeners.begin();
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| 406 | iend = mListeners.end();
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| 407 | for(; i != iend; ++i)
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| 408 | {
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| 409 | (*i)->viewportAdded(evt);
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| 410 | }
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| 411 | }
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| 412 | //-----------------------------------------------------------------------
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| 413 | void RenderTarget::fireViewportRemoved(Viewport* vp)
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| 414 | {
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| 415 | RenderTargetViewportEvent evt;
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| 416 | evt.source = vp;
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| 417 |
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| 418 | RenderTargetListenerList::iterator i, iend;
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| 419 | i = mListeners.begin();
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| 420 | iend = mListeners.end();
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| 421 | for(; i != iend; ++i)
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| 422 | {
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| 423 | (*i)->viewportRemoved(evt);
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| 424 | }
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| 425 | }
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| 426 | //-----------------------------------------------------------------------
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| 427 | String RenderTarget::writeContentsToTimestampedFile(const String& filenamePrefix, const String& filenameSuffix)
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| 428 | {
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| 429 | struct tm *pTime;
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| 430 | time_t ctTime; time(&ctTime);
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| 431 | pTime = localtime( &ctTime );
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| 432 | std::ostringstream oss;
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| 433 | oss << std::setw(2) << std::setfill('0') << (pTime->tm_mon + 1)
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| 434 | << std::setw(2) << std::setfill('0') << pTime->tm_mday
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| 435 | << std::setw(2) << std::setfill('0') << (pTime->tm_year + 1900)
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| 436 | << "_" << std::setw(2) << std::setfill('0') << pTime->tm_hour
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| 437 | << std::setw(2) << std::setfill('0') << pTime->tm_min
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| 438 | << std::setw(2) << std::setfill('0') << pTime->tm_sec
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| 439 | << std::setw(3) << std::setfill('0') << (mTimer->getMilliseconds() % 1000);
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| 440 | String filename = filenamePrefix + String(oss.str()) + filenameSuffix;
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| 441 | writeContentsToFile(filename);
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| 442 | return filename;
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| 443 |
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| 444 | }
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| 445 | //-----------------------------------------------------------------------
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| 446 | void RenderTarget::_notifyCameraRemoved(const Camera* cam)
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| 447 | {
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| 448 | ViewportList::iterator i, iend;
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| 449 | iend = mViewportList.end();
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| 450 | for (i = mViewportList.begin(); i != iend; ++i)
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| 451 | {
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| 452 | Viewport* v = i->second;
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| 453 | if (v->getCamera() == cam)
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| 454 | {
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| 455 | // disable camera link
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| 456 | v->setCamera(0);
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| 457 | }
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| 458 | }
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| 459 | }
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| 460 | //-----------------------------------------------------------------------
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| 461 | void RenderTarget::setAutoUpdated(bool autoup)
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| 462 | {
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| 463 | mAutoUpdate = autoup;
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| 464 | }
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| 465 | //-----------------------------------------------------------------------
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| 466 | bool RenderTarget::isAutoUpdated(void) const
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| 467 | {
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| 468 | return mAutoUpdate;
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| 469 | }
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| 470 | //-----------------------------------------------------------------------
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| 471 | bool RenderTarget::isPrimary(void) const
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| 472 | {
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| 473 | // RenderWindow will override and return true for the primary window
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| 474 | return false;
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| 475 | }
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| 476 | //-----------------------------------------------------------------------
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| 477 | RenderTarget::Impl *RenderTarget::_getImpl()
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| 478 | {
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| 479 | return 0;
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| 480 | }
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| 481 |
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| 482 | }
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