Revision 1221,
1.3 KB
checked in by mattausch, 18 years ago
(diff) |
added intel ray tracing
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[463] | 1 | #ifndef _SamplingPreprocessor_H__
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| 2 | #define _SamplingPreprocessor_H__
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| 3 |
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| 4 | #include <fstream>
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| 5 | using namespace std;
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| 6 |
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| 7 | #include "Preprocessor.h"
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| 8 | #include "VssRay.h"
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| 9 |
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[860] | 10 | namespace GtpVisibilityPreprocessor {
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| 11 |
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[463] | 12 | class Exporter;
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| 13 |
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| 14 | /** Sampling based visibility preprocessing. The implementation is based on heuristical
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[1221] | 15 | sampling of view space
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| 16 | */
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[463] | 17 | class SamplingPreprocessor : public Preprocessor {
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| 18 | public:
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| 19 |
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| 20 | SamplingPreprocessor();
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| 21 | ~SamplingPreprocessor();
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| 22 |
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| 23 | virtual bool ComputeVisibility();
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| 24 |
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| 25 |
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| 26 | protected:
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| 27 | /** Sets up ray for sampling.
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| 28 | */
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| 29 | void
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| 30 | SetupRay(Ray &ray,
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| 31 | const Vector3 &point,
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| 32 | const Vector3 &direction,
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[466] | 33 | const int type,
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| 34 | const Ray::Intersection &source);
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| 35 |
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| 36 | /** Refined sampling for finding "holes", i.e., difficult visibility.
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| 37 | */
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[463] | 38 | void
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| 39 | HoleSamplingPass();
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[466] | 40 |
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[1199] | 41 |
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| 42 | Intersectable *
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| 43 | CastRay(
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| 44 | const Vector3 &origin,
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| 45 | const Vector3 &direction
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| 46 | );
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| 47 |
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| 48 | /** Verify if the exact visibility for this object was established.
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| 49 | */
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| 50 | void
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| 51 | VerifyVisibility(Intersectable *object);
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| 52 |
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[463] | 53 |
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| 54 | protected:
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| 55 |
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| 56 |
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| 57 | int mPass;
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| 58 | int mSamplesPerPass;
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| 59 | int mTotalSamples;
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| 60 |
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| 61 | ofstream mStats;
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| 62 | ObjectContainer mObjects;
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| 63 |
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| 64 | RayContainer mSampleRays;
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| 65 | VssRayContainer mVssSampleRays;
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| 66 | };
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| 67 |
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[860] | 68 | }
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| 69 |
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[463] | 70 | #endif
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