Last change
on this file since 6716 was
5397,
checked in by ldelgass, 9 years ago
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Hand merge fix for flow reset
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-
Property svn:eol-style set to
native
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File size:
1.1 KB
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Line | |
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1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | /* |
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3 | * Copyright (c) 2004-2013 HUBzero Foundation, LLC |
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4 | * |
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5 | */ |
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6 | #include "ParticleAdvectionShader.h" |
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7 | |
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8 | using namespace nv; |
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9 | |
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10 | ParticleAdvectionShader::ParticleAdvectionShader() : |
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11 | _velocityVolumeID(0), |
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12 | _scale(1.0f, 1.0f, 1.0f), |
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13 | _max(1.0f), |
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14 | _timeStep(0.0005f) |
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15 | { |
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16 | init(); |
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17 | } |
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18 | |
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19 | ParticleAdvectionShader::~ParticleAdvectionShader() |
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20 | { |
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21 | } |
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22 | |
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23 | void ParticleAdvectionShader::init() |
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24 | { |
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25 | loadFragmentProgram("update_pos.cg"); |
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26 | } |
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27 | |
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28 | void |
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29 | ParticleAdvectionShader::bind(unsigned int texID, unsigned int initPosTexID, bool init) |
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30 | { |
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31 | setFPTextureParameter("pos_tex", texID); |
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32 | setFPTextureParameter("init_pos_tex", initPosTexID); |
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33 | setFPTextureParameter("vel_tex", _velocityVolumeID); |
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34 | |
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35 | setFPParameter1f("timestep", _timeStep); |
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36 | setFPParameter1f("max", init ? 0 : _max); |
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37 | setFPParameter3f("scale", _scale.x, _scale.y, _scale.z); |
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38 | |
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39 | Shader::bind(); |
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40 | } |
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41 | |
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42 | void |
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43 | ParticleAdvectionShader::unbind() |
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44 | { |
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45 | disableFPTextureParameter("pos_tex"); |
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46 | disableFPTextureParameter("init_pos_tex"); |
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47 | disableFPTextureParameter("vel_tex"); |
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48 | |
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49 | Shader::unbind(); |
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50 | } |
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