diff options
Diffstat (limited to 'source/blender/editors/manipulator_library/manipulator_draw_utils.c')
-rw-r--r-- | source/blender/editors/manipulator_library/manipulator_draw_utils.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/source/blender/editors/manipulator_library/manipulator_draw_utils.c b/source/blender/editors/manipulator_library/manipulator_draw_utils.c new file mode 100644 index 00000000000..430841311aa --- /dev/null +++ b/source/blender/editors/manipulator_library/manipulator_draw_utils.c @@ -0,0 +1,131 @@ +/* + * ***** 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) 2014 Blender Foundation. + * All rights reserved. + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file manipulator_draw_utils.c + * \ingroup wm + */ + +#include "BLI_listbase.h" +#include "BLI_ghash.h" +#include "BLI_math.h" +#include "BLI_string.h" +#include "BLI_string_utils.h" + +#include "BKE_context.h" + +#include "ED_screen.h" +#include "ED_view3d.h" + +#include "GPU_batch.h" +#include "GPU_glew.h" +#include "GPU_immediate.h" + +#include "MEM_guardedalloc.h" + +#include "RNA_access.h" + +#include "WM_api.h" +#include "WM_types.h" + +/* only for own init/exit calls (wm_manipulatortype_init/wm_manipulatortype_free) */ +#include "wm.h" + +/* own includes */ +#include "manipulator_library_intern.h" + +/** + * Main draw call for ManipulatorGeomInfo data + */ +void wm_manipulator_geometryinfo_draw(const ManipulatorGeomInfo *info, const bool select, const float color[4]) +{ + /* TODO store the Batches inside the ManipulatorGeomInfo and updated it when geom changes + * So we don't need to re-created and discard it every time */ + + const bool use_lighting = true || (!select && ((U.manipulator_flag & USER_MANIPULATOR_SHADED) != 0)); + Gwn_VertBuf *vbo; + Gwn_IndexBuf *el; + Gwn_Batch *batch; + Gwn_IndexBufBuilder elb = {0}; + + Gwn_VertFormat format = {0}; + uint pos_id = GWN_vertformat_attr_add(&format, "pos", GWN_COMP_F32, 3, GWN_FETCH_FLOAT); + uint nor_id; + + if (use_lighting) { + nor_id = GWN_vertformat_attr_add(&format, "nor", GWN_COMP_I16, 3, GWN_FETCH_INT_TO_FLOAT_UNIT); + } + + /* Elements */ + GWN_indexbuf_init(&elb, GWN_PRIM_TRIS, info->ntris, info->nverts); + for (int i = 0; i < info->ntris; ++i) { + const unsigned short *idx = &info->indices[i * 3]; + GWN_indexbuf_add_tri_verts(&elb, idx[0], idx[1], idx[2]); + } + el = GWN_indexbuf_build(&elb); + + vbo = GWN_vertbuf_create_with_format(&format); + GWN_vertbuf_data_alloc(vbo, info->nverts); + + GWN_vertbuf_attr_fill(vbo, pos_id, info->verts); + + if (use_lighting) { + /* Normals are expected to be smooth. */ + GWN_vertbuf_attr_fill(vbo, nor_id, info->normals); + } + + batch = GWN_batch_create_ex(GWN_PRIM_TRIS, vbo, el, GWN_BATCH_OWNS_VBO | GWN_BATCH_OWNS_INDEX); + GWN_batch_program_set_builtin(batch, GPU_SHADER_3D_UNIFORM_COLOR); + + GWN_batch_uniform_4fv(batch, "color", color); + + /* We may want to re-visit this, for now disable + * since it causes issues leaving the GL state modified. */ +#if 0 + glEnable(GL_CULL_FACE); + glEnable(GL_DEPTH_TEST); +#endif + + GWN_batch_draw(batch); + +#if 0 + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); +#endif + + + GWN_batch_discard(batch); +} + +void wm_manipulator_vec_draw( + const float color[4], const float (*verts)[3], uint vert_count, + uint pos, uint primitive_type) +{ + immUniformColor4fv(color); + immBegin(primitive_type, vert_count); + for (int i = 0; i < vert_count; i++) { + immVertex3fv(pos, verts[i]); + } + immEnd(); +} |