1 | #include "OgrePlatformOcclusionQuery.h"
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2 | #include <OgreLogManager.h>
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3 |
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4 | namespace Ogre {
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5 |
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6 | //-----------------------------------------------------------------------
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7 | PlatformOcclusionQuery::PlatformOcclusionQuery(RenderSystem *rsys)
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8 | {
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9 | mHardwareOcclusionQuery = rsys->createHardwareOcclusionQuery();
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10 | }
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11 | //-----------------------------------------------------------------------
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12 | PlatformOcclusionQuery::~PlatformOcclusionQuery()
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13 | {
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14 | //delete mHardwareOcclusionQuery;
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15 | }
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16 | //-----------------------------------------------------------------------
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17 | void PlatformOcclusionQuery::BeginQuery()
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18 | {
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19 | mHardwareOcclusionQuery->beginOcclusionQuery();
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20 | }
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21 | //-----------------------------------------------------------------------
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22 | void PlatformOcclusionQuery::EndQuery()
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23 | {
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24 | mHardwareOcclusionQuery->endOcclusionQuery();
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25 | }
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26 | //-----------------------------------------------------------------------
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27 | bool PlatformOcclusionQuery::GetQueryResult(unsigned int &visiblePixels,
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28 | const bool waitForResult) const
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29 | {
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30 | // return mHardwareOcclusionQuery->pullOcclusionQuery(&visiblePixels, waitForResult);
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31 |
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32 | bool isAvailable = true;
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33 |
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34 | if (!waitForResult)
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35 | {
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36 | isAvailable = !mHardwareOcclusionQuery->isStillOutstanding();
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37 | //std::stringstream d; d << "available: " << isAvailable;
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38 | //Ogre::LogManager::getSingleton().logMessage(d.str());
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39 | }
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40 |
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41 | if (isAvailable)
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42 | return mHardwareOcclusionQuery->pullOcclusionQuery(&visiblePixels);
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43 |
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44 | return false;
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45 | }
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46 |
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47 | } // namespace Ogre |
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