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/*
* ***** 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 *****
*/
#include "../node_shader_util.h"
/* **************** OUTPUT ******************** */
static bNodeSocketTemplate sh_node_tex_image_in[] = {
{ SOCK_VECTOR, 1, N_("Vector"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
{ -1, 0, "" }
};
static bNodeSocketTemplate sh_node_tex_image_out[] = {
{ SOCK_RGBA, 0, N_("Color"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_NO_INTERNAL_LINK},
{ SOCK_FLOAT, 0, N_("Alpha"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_NO_INTERNAL_LINK},
{ -1, 0, "" }
};
static void node_shader_init_tex_image(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeTexImage *tex = MEM_callocN(sizeof(NodeTexImage), "NodeTexImage");
BKE_texture_mapping_default(&tex->base.tex_mapping, TEXMAP_TYPE_POINT);
BKE_texture_colormapping_default(&tex->base.color_mapping);
tex->color_space = SHD_COLORSPACE_COLOR;
tex->iuser.frames = 1;
tex->iuser.sfra = 1;
tex->iuser.fie_ima = 2;
tex->iuser.ok = 1;
node->storage = tex;
}
static int node_shader_gpu_tex_image(GPUMaterial *mat, bNode *node, bNodeExecData *UNUSED(execdata), GPUNodeStack *in, GPUNodeStack *out)
{
Image *ima = (Image *)node->id;
ImageUser *iuser = NULL;
NodeTexImage *tex = node->storage;
GPUNodeLink *norm;
int isdata = tex->color_space == SHD_COLORSPACE_NONE;
float blend = tex->projection_blend;
if (!ima)
return GPU_stack_link(mat, node, "node_tex_image_empty", in, out);
if (!in[0].link)
in[0].link = GPU_attribute(CD_MTFACE, "");
node_shader_gpu_tex_mapping(mat, node, in, out);
switch (tex->projection) {
case SHD_PROJ_FLAT:
GPU_stack_link(mat, node, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
case SHD_PROJ_BOX:
GPU_link(mat, "direction_transform_m4v3", GPU_builtin(GPU_VIEW_NORMAL),
GPU_builtin(GPU_INVERSE_VIEW_MATRIX),
&norm);
GPU_link(mat, "direction_transform_m4v3", norm,
GPU_builtin(GPU_INVERSE_OBJECT_MATRIX),
&norm);
GPU_link(mat, "node_tex_image_box", in[0].link,
norm,
GPU_image(ima, iuser, isdata),
GPU_uniform(&blend),
&out[0].link,
&out[1].link);
break;
case SHD_PROJ_SPHERE:
GPU_link(mat, "point_texco_remap_square", in[0].link, &in[0].link);
GPU_link(mat, "point_map_to_sphere", in[0].link, &in[0].link);
GPU_stack_link(mat, node, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
case SHD_PROJ_TUBE:
GPU_link(mat, "point_texco_remap_square", in[0].link, &in[0].link);
GPU_link(mat, "point_map_to_tube", in[0].link, &in[0].link);
GPU_stack_link(mat, node, "node_tex_image", in, out, GPU_image(ima, iuser, isdata));
break;
}
ImBuf *ibuf = BKE_image_acquire_ibuf(ima, iuser, NULL);
if ((tex->color_space == SHD_COLORSPACE_COLOR) &&
ibuf && (ibuf->colormanage_flag & IMB_COLORMANAGE_IS_DATA) == 0 &&
GPU_material_do_color_management(mat))
{
GPU_link(mat, "srgb_to_linearrgb", out[0].link, &out[0].link);
}
BKE_image_release_ibuf(ima, ibuf, NULL);
return true;
}
/* node type definition */
void register_node_type_sh_tex_image(void)
{
static bNodeType ntype;
sh_node_type_base(&ntype, SH_NODE_TEX_IMAGE, "Image Texture", NODE_CLASS_TEXTURE, 0);
node_type_socket_templates(&ntype, sh_node_tex_image_in, sh_node_tex_image_out);
node_type_init(&ntype, node_shader_init_tex_image);
node_type_storage(&ntype, "NodeTexImage", node_free_standard_storage, node_copy_standard_storage);
node_type_gpu(&ntype, node_shader_gpu_tex_image);
node_type_label(&ntype, node_image_label);
node_type_size_preset(&ntype, NODE_SIZE_LARGE);
nodeRegisterType(&ntype);
}
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