Last change
on this file since 8166 was
7163,
checked in by dafrick, 14 years ago
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Merged presentation3 branch into trunk.
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-
Property svn:eol-style set to
native
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File size:
906 bytes
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1 | #ifndef __GPUCOMMANDBUFFERFLUSH_H__ |
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2 | #define __GPUCOMMANDBUFFERFLUSH_H__ |
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3 | |
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4 | #include "OgrePrerequisites.h" |
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5 | #include "OgreFrameListener.h" |
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6 | |
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7 | namespace Ogre |
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8 | { |
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9 | |
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10 | /** Helper class which can assist you in making sure the GPU command |
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11 | buffer is regularly flushed, so in cases where the CPU is outpacing the |
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12 | GPU we do not hit a situation where the CPU suddenly has to stall to |
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13 | wait for more space in the buffer. |
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14 | */ |
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15 | class GpuCommandBufferFlush : public FrameListener |
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16 | { |
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17 | protected: |
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18 | bool mUseOcclusionQuery; |
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19 | typedef std::vector<HardwareOcclusionQuery*> HOQList; |
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20 | HOQList mHOQList; |
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21 | size_t mMaxQueuedFrames; |
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22 | size_t mCurrentFrame; |
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23 | bool mStartPull; |
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24 | bool mStarted; |
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25 | |
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26 | public: |
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27 | GpuCommandBufferFlush(); |
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28 | virtual ~GpuCommandBufferFlush(); |
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29 | |
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30 | void start(size_t maxQueuedFrames = 2); |
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31 | void stop(); |
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32 | bool frameStarted(const FrameEvent& evt); |
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33 | bool frameEnded(const FrameEvent& evt); |
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34 | |
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35 | }; |
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36 | |
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37 | |
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38 | } |
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39 | |
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40 | |
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41 | #endif |
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42 | |
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43 | |
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