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Diffstat (limited to 'intern/opensubdiv/internal/opensubdiv_gl_mesh_fvar.h')
-rw-r--r-- | intern/opensubdiv/internal/opensubdiv_gl_mesh_fvar.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/intern/opensubdiv/internal/opensubdiv_gl_mesh_fvar.h b/intern/opensubdiv/internal/opensubdiv_gl_mesh_fvar.h new file mode 100644 index 00000000000..0c5982f2c8b --- /dev/null +++ b/intern/opensubdiv/internal/opensubdiv_gl_mesh_fvar.h @@ -0,0 +1,57 @@ +// Copyright 2013 Blender Foundation. All rights reserved. +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software Foundation, +// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +// Author: Sergey Sharybin + +#ifndef OPENSUBDIV_GL_MESH_FVAR_H_ +#define OPENSUBDIV_GL_MESH_FVAR_H_ + +// NOTE: This is a [sane(er)] port of previous ground work for getting UVs to +// work. Still needs a lot of work to make it easy, correct and have proper +// data ownership. + +#include <opensubdiv/far/topologyRefiner.h> +#include <opensubdiv/far/patchTable.h> + +#include "internal/opensubdiv_util.h" + +namespace opensubdiv_capi { + +// The buffer which holds GPU resources for face-varying elements. +class GLMeshFVarData { + public: + GLMeshFVarData(); + ~GLMeshFVarData(); + + void release(); + void create(const OpenSubdiv::Far::TopologyRefiner* refiner, + const OpenSubdiv::Far::PatchTable* patch_table, + int fvar_width, + const float* fvar_src_data); + + unsigned int texture_buffer; + unsigned int offset_buffer; + vector<int> channel_offsets; + int fvar_width; +}; + +void interpolateFVarData(const OpenSubdiv::Far::TopologyRefiner& refiner, + const vector<float>& uvs, + vector<float>* fvar_data); + +} // namespace opensubdiv_capi + +#endif // OPENSUBDIV_GL_MESH_FVAR_H_ |