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