diff options
Diffstat (limited to 'source/blender/nodes/shader/nodes/node_shader_texture.c')
| -rw-r--r-- | source/blender/nodes/shader/nodes/node_shader_texture.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_texture.c b/source/blender/nodes/shader/nodes/node_shader_texture.c new file mode 100644 index 00000000000..a4957d8f683 --- /dev/null +++ b/source/blender/nodes/shader/nodes/node_shader_texture.c @@ -0,0 +1,149 @@ +/* + * $Id: SHD_texture.c 36593 2011-05-10 11:19:26Z 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_texture.c + * \ingroup shdnodes + */ + + +#include "DNA_texture_types.h" + +#include "node_shader_util.h" + +/* **************** TEXTURE ******************** */ +static bNodeSocketTemplate sh_node_texture_in[]= { + { SOCK_VECTOR, 1, "Vector", 0.0f, 0.0f, 0.0f, 1.0f, -1.0f, 1.0f, PROP_NONE}, /* no limit */ + { -1, 0, "" } +}; +static bNodeSocketTemplate sh_node_texture_out[]= { + { SOCK_FLOAT, 0, "Value"}, + { SOCK_RGBA , 0, "Color"}, + { SOCK_VECTOR, 0, "Normal"}, + { -1, 0, "" } +}; + +static void node_shader_exec_texture(void *data, bNode *node, bNodeStack **in, bNodeStack **out) +{ + if(data && node->id) { + ShadeInput *shi= ((ShaderCallData *)data)->shi; + TexResult texres; + float vec[3], nor[3]={0.0f, 0.0f, 0.0f}; + int retval; + short which_output = node->custom1; + + short thread = shi->thread; + + /* out: value, color, normal */ + + /* we should find out if a normal as output is needed, for now we do all */ + texres.nor= nor; + texres.tr= texres.tg= texres.tb= 0.0f; + + if(in[0]->hasinput) { + nodestack_get_vec(vec, SOCK_VECTOR, in[0]); + + if(in[0]->datatype==NS_OSA_VECTORS) { + float *fp= in[0]->data; + retval= multitex_nodes((Tex *)node->id, vec, fp, fp+3, shi->osatex, &texres, thread, which_output, NULL, NULL); + } + else if(in[0]->datatype==NS_OSA_VALUES) { + float *fp= in[0]->data; + float dxt[3], dyt[3]; + + dxt[0]= fp[0]; dxt[1]= dxt[2]= 0.0f; + dyt[0]= fp[1]; dyt[1]= dyt[2]= 0.0f; + retval= multitex_nodes((Tex *)node->id, vec, dxt, dyt, shi->osatex, &texres, thread, which_output, NULL, NULL); + } + else + retval= multitex_nodes((Tex *)node->id, vec, NULL, NULL, 0, &texres, thread, which_output, NULL, NULL); + } + else { + VECCOPY(vec, shi->lo); + retval= multitex_nodes((Tex *)node->id, vec, NULL, NULL, 0, &texres, thread, which_output, NULL, NULL); + } + + /* stupid exception */ + if( ((Tex *)node->id)->type==TEX_STUCCI) { + texres.tin= 0.5f + 0.7f*texres.nor[0]; + CLAMP(texres.tin, 0.0f, 1.0f); + } + + /* intensity and color need some handling */ + if(texres.talpha) + out[0]->vec[0]= texres.ta; + else + out[0]->vec[0]= texres.tin; + + if((retval & TEX_RGB)==0) { + out[1]->vec[0]= out[0]->vec[0]; + out[1]->vec[1]= out[0]->vec[0]; + out[1]->vec[2]= out[0]->vec[0]; + out[1]->vec[3]= 1.0f; + } + else { + out[1]->vec[0]= texres.tr; + out[1]->vec[1]= texres.tg; + out[1]->vec[2]= texres.tb; + out[1]->vec[3]= 1.0f; + } + + VECCOPY(out[2]->vec, nor); + + if(shi->do_preview) + nodeAddToPreview(node, out[1]->vec, shi->xs, shi->ys, shi->do_manage); + + } +} + +static int gpu_shader_texture(GPUMaterial *mat, bNode *node, GPUNodeStack *in, GPUNodeStack *out) +{ + Tex *tex = (Tex*)node->id; + + if(tex && tex->type == TEX_IMAGE && tex->ima) { + GPUNodeLink *texlink = GPU_image(tex->ima, NULL); + return GPU_stack_link(mat, "texture_image", in, out, texlink); + } + else + return 0; +} + +void register_node_type_sh_texture(ListBase *lb) +{ + static bNodeType ntype; + + node_type_base(&ntype, SH_NODE_TEXTURE, "Texture", NODE_CLASS_INPUT, NODE_OPTIONS|NODE_PREVIEW); + node_type_socket_templates(&ntype, sh_node_texture_in, sh_node_texture_out); + node_type_size(&ntype, 120, 80, 240); + node_type_exec(&ntype, node_shader_exec_texture); + node_type_gpu(&ntype, gpu_shader_texture); + + nodeRegisterType(lb, &ntype); +} + + |