diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_camera.c')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_camera.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_camera.c b/source/blender/nodes/shader/nodes/node_shader_camera.c new file mode 100644 index 00000000000..ecb7c486dc4 --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_camera.c @@ -0,0 +1,76 @@ +/* + * $Id: SHD_camera.c 36536 2011-05-07 13:27:27Z lukastoenne $ + * + * ***** 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) 2005 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/nodes/shader/nodes/node_shader_camera.c + * \ingroup shdnodes + */ + + +#include "node_shader_util.h" + +/* **************** CAMERA INFO ******************** */ +static bNodeSocketTemplate sh_node_camera_out[]= { + { SOCK_VECTOR, 0, "View Vector"}, + { SOCK_FLOAT, 0, "View Z Depth"}, + { SOCK_FLOAT, 0, "View Distance"}, + { -1, 0, "" } +}; + + +static void node_shader_exec_camera(void *data, bNode *UNUSED(node), bNodeStack **UNUSED(in), bNodeStack **out) +{ + if(data) { + ShadeInput *shi= ((ShaderCallData *)data)->shi; /* Data we need for shading. */ + + VECCOPY(out[0]->vec, shi->co); /* get view vector */ + out[1]->vec[0]= fabs(shi->co[2]); /* get view z-depth */ + out[2]->vec[0]= normalize_v3(out[0]->vec); /* get view distance */ + } +} + +static int gpu_shader_camera(GPUMaterial *mat, bNode *UNUSED(node), GPUNodeStack *in, GPUNodeStack *out) +{ + return GPU_stack_link(mat, "camera", in, out, GPU_builtin(GPU_VIEW_POSITION)); +} + +void register_node_type_sh_camera(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, SH_NODE_CAMERA, "Camera Data", NODE_CLASS_INPUT, 0); + node_type_socket_templates(&ntype, NULL, sh_node_camera_out); + node_type_size(&ntype, 95, 95, 120); + node_type_storage(&ntype, "node_camera", NULL, NULL); + node_type_exec(&ntype, node_shader_exec_camera); + node_type_gpu(&ntype, gpu_shader_camera); + + nodeRegisterType(lb, &ntype); +} + + |