Last change
on this file since 12025 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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Rev | Line | |
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[6819] | 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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