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