diff options
Diffstat (limited to 'source/blender/modifiers/intern/MOD_subsurf.c')
| -rw-r--r-- | source/blender/modifiers/intern/MOD_subsurf.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/source/blender/modifiers/intern/MOD_subsurf.c b/source/blender/modifiers/intern/MOD_subsurf.c index 2a62a9e6081..5a03da91b2d 100644 --- a/source/blender/modifiers/intern/MOD_subsurf.c +++ b/source/blender/modifiers/intern/MOD_subsurf.c @@ -101,17 +101,33 @@ static DerivedMesh *applyModifier(ModifierData *md, Object *ob, const bool useRenderParams = (flag & MOD_APPLY_RENDER) != 0; const bool isFinalCalc = (flag & MOD_APPLY_USECACHE) != 0; +#ifdef WITH_OPENSUBDIV + const bool allow_gpu = (flag & MOD_APPLY_ALLOW_GPU) != 0; + const bool do_cddm_convert = useRenderParams; +#else + const bool do_cddm_convert = useRenderParams || !isFinalCalc; +#endif + if (useRenderParams) subsurf_flags |= SUBSURF_USE_RENDER_PARAMS; if (isFinalCalc) subsurf_flags |= SUBSURF_IS_FINAL_CALC; if (ob->mode & OB_MODE_EDIT) subsurf_flags |= SUBSURF_IN_EDIT_MODE; - + +#ifdef WITH_OPENSUBDIV + /* TODO(sergey): Not entirely correct, modifiers on top of subsurf + * could be disabled. + */ + if (md->next == NULL && allow_gpu && do_cddm_convert == false) { + subsurf_flags |= SUBSURF_USE_GPU_BACKEND; + } +#endif + result = subsurf_make_derived_from_derived(derivedData, smd, NULL, subsurf_flags); result->cd_flag = derivedData->cd_flag; - - if (useRenderParams || !isFinalCalc) { + + if (do_cddm_convert) { DerivedMesh *cddm = CDDM_copy(result); result->release(result); result = cddm; @@ -129,6 +145,15 @@ static DerivedMesh *applyModifierEM(ModifierData *md, Object *UNUSED(ob), DerivedMesh *result; /* 'orco' using editmode flags would cause cache to be used twice in editbmesh_calc_modifiers */ SubsurfFlags ss_flags = (flag & MOD_APPLY_ORCO) ? 0 : (SUBSURF_FOR_EDIT_MODE | SUBSURF_IN_EDIT_MODE); +#ifdef WITH_OPENSUBDIV + const bool allow_gpu = (flag & MOD_APPLY_ALLOW_GPU) != 0; + /* TODO(sergey): Not entirely correct, modifiers on top of subsurf + * could be disabled. + */ + if (md->next == NULL && allow_gpu) { + ss_flags |= SUBSURF_USE_GPU_BACKEND; + } +#endif result = subsurf_make_derived_from_derived(derivedData, smd, NULL, ss_flags); |