1 | /* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*- */ |
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2 | #ifndef __NV_REGULAR_SHADER_H__ |
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3 | #define __NV_REGULAR_SHADER_H__ |
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4 | |
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5 | #include "Volume.h" |
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6 | #include "NvVolumeShader.h" |
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7 | |
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8 | class NvRegularVolumeShader : public NvVolumeShader { |
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9 | CGparameter m_vol_one_volume_param; |
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10 | CGparameter m_tf_one_volume_param; |
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11 | CGparameter m_mvi_one_volume_param; |
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12 | CGparameter m_mv_one_volume_param; |
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13 | CGparameter m_render_param_one_volume_param; |
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14 | CGparameter m_option_one_volume_param; |
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15 | |
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16 | public : |
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17 | NvRegularVolumeShader(); |
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18 | ~NvRegularVolumeShader(); |
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19 | private : |
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20 | void init(); |
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21 | |
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22 | public : |
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23 | void bind(unsigned int tfID, Volume* volume, int sliceMode); |
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24 | void unbind(); |
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25 | |
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26 | }; |
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27 | |
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28 | inline void |
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29 | NvRegularVolumeShader::bind(unsigned int tfID, Volume* volume, int sliceMode) |
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30 | { |
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31 | //regular cubic volume |
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32 | cgGLSetStateMatrixParameter(m_mvi_one_volume_param, CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_INVERSE); |
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33 | cgGLSetStateMatrixParameter(m_mv_one_volume_param, CG_GL_MODELVIEW_MATRIX, CG_GL_MATRIX_IDENTITY); |
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34 | |
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35 | cgGLSetTextureParameter(m_vol_one_volume_param, volume->id); |
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36 | cgGLSetTextureParameter(m_tf_one_volume_param, tfID); |
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37 | cgGLEnableTextureParameter(m_vol_one_volume_param); |
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38 | cgGLEnableTextureParameter(m_tf_one_volume_param); |
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39 | |
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40 | if(!sliceMode) |
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41 | cgGLSetParameter4f(m_render_param_one_volume_param, |
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42 | volume->n_slices(), |
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43 | volume->opacity_scale(), |
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44 | volume->diffuse(), |
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45 | volume->specular()); |
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46 | else |
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47 | cgGLSetParameter4f(m_render_param_one_volume_param, |
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48 | 0., |
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49 | volume->opacity_scale(), |
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50 | volume->diffuse(), |
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51 | volume->specular()); |
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52 | |
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53 | cgGLSetParameter4f(m_option_one_volume_param, |
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54 | 0.0f, |
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55 | volume->isosurface(), |
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56 | 0.0f, |
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57 | 0.0f); |
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58 | |
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59 | cgGLBindProgram(_cgFP); |
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60 | cgGLEnableProfile(CG_PROFILE_FP30); |
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61 | } |
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62 | |
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63 | inline void NvRegularVolumeShader::unbind() |
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64 | { |
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65 | cgGLDisableTextureParameter(m_vol_one_volume_param); |
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66 | cgGLDisableTextureParameter(m_tf_one_volume_param); |
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67 | |
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68 | cgGLDisableProfile(CG_PROFILE_FP30); |
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69 | } |
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70 | |
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71 | |
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72 | #endif // |
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