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Diffstat (limited to 'intern/opensubdiv/opensubdiv_capi.h')
| -rw-r--r-- | intern/opensubdiv/opensubdiv_capi.h | 178 |
1 files changed, 29 insertions, 149 deletions
diff --git a/intern/opensubdiv/opensubdiv_capi.h b/intern/opensubdiv/opensubdiv_capi.h index c29d08a77e1..a26ea36b863 100644 --- a/intern/opensubdiv/opensubdiv_capi.h +++ b/intern/opensubdiv/opensubdiv_capi.h @@ -1,163 +1,43 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * 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. - * - * The Original Code is Copyright (C) 2013 Blender Foundation. - * All rights reserved. - * - * Contributor(s): Sergey Sharybin - * - * ***** END GPL LICENSE BLOCK ***** - */ - -#ifndef __OPENSUBDIV_CAPI_H__ -#define __OPENSUBDIV_CAPI_H__ +// 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_CAPI_H_ +#define OPENSUBDIV_CAPI_H_ + +#include "opensubdiv_capi_type.h" #ifdef __cplusplus extern "C" { #endif -// Types declaration. -struct OpenSubdiv_GLMesh; -struct OpenSubdiv_GLMeshDescr; -struct OpenSubdiv_GLMeshFVarData; -struct OpenSubdiv_TopologyRefinerDescr; - -typedef struct OpenSubdiv_GLMesh OpenSubdiv_GLMesh; - -// Keep this a bitmask os it's possible to pass available -// evaluators to Blender. -enum { - OPENSUBDIV_EVALUATOR_CPU = (1 << 0), - OPENSUBDIV_EVALUATOR_OPENMP = (1 << 1), - OPENSUBDIV_EVALUATOR_OPENCL = (1 << 2), - OPENSUBDIV_EVALUATOR_CUDA = (1 << 3), - OPENSUBDIV_EVALUATOR_GLSL_TRANSFORM_FEEDBACK = (1 << 4), - OPENSUBDIV_EVALUATOR_GLSL_COMPUTE = (1 << 5), -}; - -enum { - OPENSUBDIV_SCHEME_CATMARK, - OPENSUBDIV_SCHEME_BILINEAR, - OPENSUBDIV_SCHEME_LOOP, -}; - -/* TODO(sergey): Re-name and avoid bad level data access. */ -OpenSubdiv_GLMesh *openSubdiv_createOsdGLMeshFromTopologyRefiner( - struct OpenSubdiv_TopologyRefinerDescr *topology_refiner, - int evaluator_type, - int level); - -void openSubdiv_deleteOsdGLMesh(OpenSubdiv_GLMesh *gl_mesh); -unsigned int openSubdiv_getOsdGLMeshPatchIndexBuffer( - OpenSubdiv_GLMesh *gl_mesh); -unsigned int openSubdiv_getOsdGLMeshVertexBuffer(OpenSubdiv_GLMesh *gl_mesh); -void openSubdiv_osdGLMeshUpdateVertexBuffer(OpenSubdiv_GLMesh *gl_mesh, - const float *vertex_data, - int start_vertex, - int num_verts); -void openSubdiv_osdGLMeshRefine(OpenSubdiv_GLMesh *gl_mesh); -void openSubdiv_osdGLMeshSynchronize(OpenSubdiv_GLMesh *gl_mesh); -void openSubdiv_osdGLMeshBindVertexBuffer(OpenSubdiv_GLMesh *gl_mesh); - -const struct OpenSubdiv_TopologyRefinerDescr *openSubdiv_getGLMeshTopologyRefiner( - OpenSubdiv_GLMesh *gl_mesh); - -/* ============================= Evaluator API ============================== */ - -struct OpenSubdiv_EvaluatorDescr; -typedef struct OpenSubdiv_EvaluatorDescr OpenSubdiv_EvaluatorDescr; - -/* TODO(sergey): Avoid bad-level data access, */ -OpenSubdiv_EvaluatorDescr *openSubdiv_createEvaluatorDescr( - struct OpenSubdiv_TopologyRefinerDescr *topology_refiner, - int subsurf_level); - -void openSubdiv_deleteEvaluatorDescr( - OpenSubdiv_EvaluatorDescr *evaluator_descr); - -void openSubdiv_setEvaluatorCoarsePositions( - OpenSubdiv_EvaluatorDescr *evaluator_descr, - const float *positions, - int start_vertex_index, - int num_vertices); -void openSubdiv_setEvaluatorVaryingData( - OpenSubdiv_EvaluatorDescr *evaluator_descr, - const float *varying_data, - int start_vertex_index, - int num_vertices); - -void openSubdiv_setEvaluatorCoarsePositionsFromBuffer( - OpenSubdiv_EvaluatorDescr *evaluator_descr, - const void *buffer, - int start_offset, - int stride, - int start_vertex_index, - int num_vertices); - -void openSubdiv_refineEvaluator(OpenSubdiv_EvaluatorDescr *evaluator_descr); - -void openSubdiv_evaluateLimit(OpenSubdiv_EvaluatorDescr *evaluator_descr, - int osd_face_index, - float face_u, float face_v, - float P[3], - float dPdu[3], - float dPdv[3]); - -void openSubdiv_evaluateVarying(OpenSubdiv_EvaluatorDescr *evaluator_descr, - int osd_face_index, - float face_u, float face_v, - float varying[3]); - -/* ============================== Mesh drawing =============================== */ - -/* Initialize/Deinitialize global OpenGL drawing buffers/GLSL programs. */ -bool openSubdiv_osdGLDisplayInit(void); -void openSubdiv_osdGLDisplayDeinit(void); - -/* Initialize all the invariants which stays the same for every single path, - * for example lighting model stays untouched for the whole mesh. - * - * TODO(sergey): Some of the stuff could be initialized once for all meshes. - */ -void openSubdiv_osdGLMeshDisplayPrepare(int use_osd_glsl, int active_uv_index); - -/* Draw specified patches. */ -void openSubdiv_osdGLMeshDisplay(OpenSubdiv_GLMesh *gl_mesh, - int fill_quads, - int start_patch, - int num_patches); - -void openSubdiv_osdGLAllocFVar( - struct OpenSubdiv_TopologyRefinerDescr *topology_refiner, - OpenSubdiv_GLMesh *gl_mesh, - const float *fvar_data); - -void openSubdiv_osdGLDestroyFVar(OpenSubdiv_GLMesh *gl_mesh); - -/* =========================== Utility functions ============================ */ - -int openSubdiv_getAvailableEvaluators(void); +// Global initialization/deinitialization. +// +// Supposed to be called from main thread. void openSubdiv_init(void); void openSubdiv_cleanup(void); +// Bitmask of eOpenSubdivEvaluator. +int openSubdiv_getAvailableEvaluators(void); + int openSubdiv_getVersionHex(void); #ifdef __cplusplus } #endif -#endif // __OPENSUBDIV_CAPI_H__ +#endif // OPENSUBDIV_CAPI_H_ |