source: GTP/trunk/Lib/Vis/OnlineCullingCHC/OGRE/src/OgrePlatformOcclusionQuery.cpp @ 925

Revision 925, 1.5 KB checked in by mattausch, 18 years ago (diff)

update for ogre 1.2
OcclusionCullingSceneManager? is the only scenemanager in the solution now
RevLine 
[59]1#include "OgrePlatformOcclusionQuery.h"
[115]2#include <OgreLogManager.h>
[96]3
[59]4namespace Ogre {
5
6//-----------------------------------------------------------------------
7PlatformOcclusionQuery::PlatformOcclusionQuery(RenderSystem *rsys)
8{
9        mHardwareOcclusionQuery = rsys->createHardwareOcclusionQuery();
10}
11//-----------------------------------------------------------------------
12PlatformOcclusionQuery::~PlatformOcclusionQuery()
13{
[903]14        //delete mHardwareOcclusionQuery;
[59]15}
16//-----------------------------------------------------------------------
[87]17void PlatformOcclusionQuery::BeginQuery()
[59]18{
19        mHardwareOcclusionQuery->beginOcclusionQuery();
20}
21//-----------------------------------------------------------------------
[87]22void PlatformOcclusionQuery::EndQuery()
[59]23{
24        mHardwareOcclusionQuery->endOcclusionQuery();
25}
26//-----------------------------------------------------------------------
[86]27bool PlatformOcclusionQuery::GetQueryResult(unsigned int &visiblePixels,
28                                                                                        const bool waitForResult) const
[59]29{
[897]30        // return mHardwareOcclusionQuery->pullOcclusionQuery(&visiblePixels, waitForResult);
31
32        bool isAvailable = true;
33
[925]34        if (!waitForResult)
35        {
[897]36                isAvailable = !mHardwareOcclusionQuery->isStillOutstanding();
[925]37                //std::stringstream d; d << "available: " << isAvailable;
38                //Ogre::LogManager::getSingleton().logMessage(d.str());
39        }
40
[897]41        if (isAvailable)
42                return mHardwareOcclusionQuery->pullOcclusionQuery(&visiblePixels);
[925]43       
44        return false;
[59]45}
46
47} // namespace Ogre
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