1 | #include <R2/R2FilePath.h> |
---|
2 | #include <Trace.h> |
---|
3 | #include "NvParticleAdvectionShader.h" |
---|
4 | #include <global.h> |
---|
5 | |
---|
6 | NvParticleAdvectionShader::NvParticleAdvectionShader() : |
---|
7 | _velocityVolumeID(0), |
---|
8 | _scale(1.0f, 1.0f, 1.0f), |
---|
9 | _max(1.0f), |
---|
10 | _timeStep(0.005f) |
---|
11 | { |
---|
12 | _mode = 1; |
---|
13 | init(); |
---|
14 | } |
---|
15 | |
---|
16 | NvParticleAdvectionShader::~NvParticleAdvectionShader() |
---|
17 | { |
---|
18 | } |
---|
19 | |
---|
20 | void NvParticleAdvectionShader::init() |
---|
21 | { |
---|
22 | _cgFP = LoadCgSourceProgram(g_context, "update_pos.cg", CG_PROFILE_FP30, |
---|
23 | "main"); |
---|
24 | _posTimestepParam = cgGetNamedParameter(_cgFP, "timestep"); |
---|
25 | _maxParam = cgGetNamedParameter(_cgFP, "max"); |
---|
26 | _velTexParam = cgGetNamedParameter(_cgFP, "vel_tex"); |
---|
27 | _posTexParam = cgGetNamedParameter(_cgFP, "pos_tex"); |
---|
28 | //_tfTexParam = cgGetNamedParameter(_cgFP, "tf_tex"); |
---|
29 | _initPosTexParam = cgGetNamedParameter(_cgFP, "init_pos_tex"); |
---|
30 | _scaleParam = cgGetNamedParameter(_cgFP, "scale"); |
---|
31 | _modeParam = cgGetNamedParameter(_cgFP, "mode"); |
---|
32 | } |
---|
33 | |
---|
34 | //void NvParticleAdvectionShader::bind(unsigned int texID, unsigned int tfTexID, unsigned int initPosTexID) |
---|
35 | |
---|
36 | void |
---|
37 | NvParticleAdvectionShader::bind(unsigned int texID, unsigned int initPosTexID) |
---|
38 | { |
---|
39 | cgGLBindProgram(_cgFP); |
---|
40 | cgGLSetParameter1f(_posTimestepParam, _timeStep); |
---|
41 | cgGLSetParameter1f(_maxParam, _max); |
---|
42 | cgGLSetParameter1f(_modeParam, _mode); |
---|
43 | cgGLSetParameter3f(_scaleParam, _scale.x, _scale.y, _scale.z); |
---|
44 | cgGLSetTextureParameter(_velTexParam, _velocityVolumeID); |
---|
45 | cgGLEnableTextureParameter(_velTexParam); |
---|
46 | |
---|
47 | //cgGLSetTextureParameter(_tfTexParam, tfTexID); |
---|
48 | //cgGLEnableTextureParameter(_tfTexParam); |
---|
49 | |
---|
50 | cgGLSetTextureParameter(_posTexParam, texID); |
---|
51 | cgGLEnableTextureParameter(_posTexParam); |
---|
52 | |
---|
53 | cgGLSetTextureParameter(_initPosTexParam, initPosTexID); |
---|
54 | cgGLEnableTextureParameter(_initPosTexParam); |
---|
55 | |
---|
56 | cgGLEnableProfile(CG_PROFILE_FP30); |
---|
57 | } |
---|