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| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2018-11-01 17:12:54 +0300 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2018-11-01 17:20:50 +0300 |
| commit | d710cb91b9281e94851bddc8b49b570dc6326b5f (patch) | |
| tree | 1dcca4ff99b327ce0eaf21715b5986082ac5e540 /source/blender/blenkernel/BKE_multires.h | |
| parent | c2aa8d03f26ceb2700730e5aeb2c72ccfa969116 (diff) | |
Subdiv: Cleanup, de-duplicate tangent matrix calculation
Diffstat (limited to 'source/blender/blenkernel/BKE_multires.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_multires.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_multires.h b/source/blender/blenkernel/BKE_multires.h index 28a98768a06..d4e0dbb72cd 100644 --- a/source/blender/blenkernel/BKE_multires.h +++ b/source/blender/blenkernel/BKE_multires.h @@ -32,6 +32,8 @@ * \ingroup bke */ +#include "BLI_compiler_compat.h" + enum MultiresModifiedFlags; struct Depsgraph; @@ -151,4 +153,18 @@ void BKE_multires_subdiv_mesh_settings_init( const bool use_render_params, const bool ignore_simplify); +/* General helpers. */ + +/* For a given partial derivatives of a ptex face get tangent matrix for + * displacement. + * Corner needs to be known to properly "rotate" partial derivatives. + */ +BLI_INLINE void BKE_multires_construct_tangent_matrix( + float tangent_matrix[3][3], + const float dPdu[3], + const float dPdv[3], + const int corner); + #endif /* __BKE_MULTIRES_H__ */ + +#include "intern/multires_inline.h" |