Cleanup: Move node_shader_util.c to C++

This will allow using a function I've declared in a C++ header.

1 files changed, 0 insertions, 347 deletions

diff --git a/source/blender/nodes/shader/node_shader_util.c b/source/blender/nodes/shader/node_shader_util.c
deleted file mode 100644
index e1f6c135568..00000000000
--- a/source/blender/nodes/shader/node_shader_util.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * 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.
- */
-
-/** \file
- * \ingroup nodes
- */
-
-#include "DNA_node_types.h"
-
-#include "node_shader_util.h"
-
-#include "node_exec.h"
-
-bool sh_node_poll_default(bNodeType *UNUSED(ntype), bNodeTree *ntree, const char **r_disabled_hint)
-{
-  if (!STREQ(ntree->idname, "ShaderNodeTree")) {
-    *r_disabled_hint = "Not a shader node tree";
-    return false;
-  }
-  return true;
-}
-
-static bool sh_fn_poll_default(bNodeType *UNUSED(ntype),
-                               bNodeTree *ntree,
-                               const char **r_disabled_hint)
-{
-  if (!STR_ELEM(ntree->idname, "ShaderNodeTree", "GeometryNodeTree")) {
-    *r_disabled_hint = "Not a shader or geometry node tree";
-    return false;
-  }
-  return true;
-}
-
-void sh_node_type_base(
-    struct bNodeType *ntype, int type, const char *name, short nclass, short flag)
-{
-  node_type_base(ntype, type, name, nclass, flag);
-
-  ntype->poll = sh_node_poll_default;
-  ntype->insert_link = node_insert_link_default;
-}
-
-void sh_fn_node_type_base(bNodeType *ntype, int type, const char *name, short nclass, short flag)
-{
-  sh_node_type_base(ntype, type, name, nclass, flag);
-  ntype->poll = sh_fn_poll_default;
-}
-
-/* ****** */
-
-void nodestack_get_vec(float *in, short type_in, bNodeStack *ns)
-{
-  const float *from = ns->vec;
-
-  if (type_in == SOCK_FLOAT) {
-    if (ns->sockettype == SOCK_FLOAT) {
-      *in = *from;
-    }
-    else {
-      *in = (from[0] + from[1] + from[2]) / 3.0f;
-    }
-  }
-  else if (type_in == SOCK_VECTOR) {
-    if (ns->sockettype == SOCK_FLOAT) {
-      in[0] = from[0];
-      in[1] = from[0];
-      in[2] = from[0];
-    }
-    else {
-      copy_v3_v3(in, from);
-    }
-  }
-  else { /* type_in==SOCK_RGBA */
-    if (ns->sockettype == SOCK_RGBA) {
-      copy_v4_v4(in, from);
-    }
-    else if (ns->sockettype == SOCK_FLOAT) {
-      in[0] = from[0];
-      in[1] = from[0];
-      in[2] = from[0];
-      in[3] = 1.0f;
-    }
-    else {
-      copy_v3_v3(in, from);
-      in[3] = 1.0f;
-    }
-  }
-}
-
-void node_gpu_stack_from_data(struct GPUNodeStack *gs, int type, bNodeStack *ns)
-{
-  memset(gs, 0, sizeof(*gs));
-
-  if (ns == NULL) {
-    /* node_get_stack() will generate NULL bNodeStack pointers
-     * for unknown/unsupported types of sockets. */
-    zero_v4(gs->vec);
-    gs->link = NULL;
-    gs->type = GPU_NONE;
-    gs->hasinput = false;
-    gs->hasoutput = false;
-    gs->sockettype = type;
-  }
-  else {
-    nodestack_get_vec(gs->vec, type, ns);
-    gs->link = ns->data;
-
-    if (type == SOCK_FLOAT) {
-      gs->type = GPU_FLOAT;
-    }
-    else if (type == SOCK_INT) {
-      gs->type = GPU_FLOAT; /* HACK: Support as float. */
-    }
-    else if (type == SOCK_VECTOR) {
-      gs->type = GPU_VEC3;
-    }
-    else if (type == SOCK_RGBA) {
-      gs->type = GPU_VEC4;
-    }
-    else if (type == SOCK_SHADER) {
-      gs->type = GPU_CLOSURE;
-    }
-    else {
-      gs->type = GPU_NONE;
-    }
-
-    gs->hasinput = ns->hasinput && ns->data;
-    /* XXX Commented out the ns->data check here, as it seems it's not always set,
-     *     even though there *is* a valid connection/output... But that might need
-     *     further investigation.
-     */
-    gs->hasoutput = ns->hasoutput /*&& ns->data*/;
-    gs->sockettype = ns->sockettype;
-  }
-}
-
-void node_data_from_gpu_stack(bNodeStack *ns, GPUNodeStack *gs)
-{
-  copy_v4_v4(ns->vec, gs->vec);
-  ns->data = gs->link;
-  ns->sockettype = gs->sockettype;
-}
-
-static void gpu_stack_from_data_list(GPUNodeStack *gs, ListBase *sockets, bNodeStack **ns)
-{
-  bNodeSocket *sock;
-  int i;
-
-  for (sock = sockets->first, i = 0; sock; sock = sock->next, i++) {
-    node_gpu_stack_from_data(&gs[i], sock->type, ns[i]);
-  }
-
-  gs[i].end = true;
-}
-
-static void data_from_gpu_stack_list(ListBase *sockets, bNodeStack **ns, GPUNodeStack *gs)
-{
-  bNodeSocket *sock;
-  int i;
-
-  for (sock = sockets->first, i = 0; sock; sock = sock->next, i++) {
-    node_data_from_gpu_stack(ns[i], &gs[i]);
-  }
-}
-
-bNode *nodeGetActiveTexture(bNodeTree *ntree)
-{
-  /* this is the node we texture paint and draw in textured draw */
-  bNode *node, *tnode, *inactivenode = NULL, *activetexnode = NULL, *activegroup = NULL;
-  bool hasgroup = false;
-
-  if (!ntree) {
-    return NULL;
-  }
-
-  for (node = ntree->nodes.first; node; node = node->next) {
-    if (node->flag & NODE_ACTIVE_TEXTURE) {
-      activetexnode = node;
-      /* if active we can return immediately */
-      if (node->flag & NODE_ACTIVE) {
-        return node;
-      }
-    }
-    else if (!inactivenode && node->typeinfo->nclass == NODE_CLASS_TEXTURE) {
-      inactivenode = node;
-    }
-    else if (node->type == NODE_GROUP) {
-      if (node->flag & NODE_ACTIVE) {
-        activegroup = node;
-      }
-      else {
-        hasgroup = true;
-      }
-    }
-  }
-
-  /* first, check active group for textures */
-  if (activegroup) {
-    tnode = nodeGetActiveTexture((bNodeTree *)activegroup->id);
-    /* active node takes priority, so ignore any other possible nodes here */
-    if (tnode) {
-      return tnode;
-    }
-  }
-
-  if (activetexnode) {
-    return activetexnode;
-  }
-
-  if (hasgroup) {
-    /* node active texture node in this tree, look inside groups */
-    for (node = ntree->nodes.first; node; node = node->next) {
-      if (node->type == NODE_GROUP) {
-        tnode = nodeGetActiveTexture((bNodeTree *)node->id);
-        if (tnode && ((tnode->flag & NODE_ACTIVE_TEXTURE) || !inactivenode)) {
-          return tnode;
-        }
-      }
-    }
-  }
-
-  return inactivenode;
-}
-
-void ntreeExecGPUNodes(bNodeTreeExec *exec, GPUMaterial *mat, bNode *output_node)
-{
-  bNodeExec *nodeexec;
-  bNode *node;
-  int n;
-  bNodeStack *stack;
-  bNodeStack *nsin[MAX_SOCKET];  /* arbitrary... watch this */
-  bNodeStack *nsout[MAX_SOCKET]; /* arbitrary... watch this */
-  GPUNodeStack gpuin[MAX_SOCKET + 1], gpuout[MAX_SOCKET + 1];
-  bool do_it;
-
-  stack = exec->stack;
-
-  for (n = 0, nodeexec = exec->nodeexec; n < exec->totnodes; n++, nodeexec++) {
-    node = nodeexec->node;
-
-    do_it = false;
-    /* for groups, only execute outputs for edited group */
-    if (node->typeinfo->nclass == NODE_CLASS_OUTPUT) {
-      if ((output_node != NULL) && (node == output_node)) {
-        do_it = true;
-      }
-    }
-    else {
-      do_it = true;
-    }
-
-    if (do_it) {
-      if (node->typeinfo->gpu_fn) {
-        node_get_stack(node, stack, nsin, nsout);
-        gpu_stack_from_data_list(gpuin, &node->inputs, nsin);
-        gpu_stack_from_data_list(gpuout, &node->outputs, nsout);
-        if (node->typeinfo->gpu_fn(mat, node, &nodeexec->data, gpuin, gpuout)) {
-          data_from_gpu_stack_list(&node->outputs, nsout, gpuout);
-        }
-      }
-    }
-  }
-}
-
-void node_shader_gpu_bump_tex_coord(GPUMaterial *mat, bNode *node, GPUNodeLink **link)
-{
-  if (node->branch_tag == 1) {
-    /* Add one time the value fo derivative to the input vector. */
-    GPU_link(mat, "dfdx_v3", *link, link);
-  }
-  else if (node->branch_tag == 2) {
-    /* Add one time the value fo derivative to the input vector. */
-    GPU_link(mat, "dfdy_v3", *link, link);
-  }
-  else {
-    /* nothing to do, reference center value. */
-  }
-}
-
-void node_shader_gpu_default_tex_coord(GPUMaterial *mat, bNode *node, GPUNodeLink **link)
-{
-  if (!*link) {
-    *link = GPU_attribute(mat, CD_ORCO, "");
-    GPU_link(mat, "generated_texco", GPU_builtin(GPU_VIEW_POSITION), *link, link);
-    node_shader_gpu_bump_tex_coord(mat, node, link);
-  }
-}
-
-void node_shader_gpu_tex_mapping(GPUMaterial *mat,
-                                 bNode *node,
-                                 GPUNodeStack *in,
-                                 GPUNodeStack *UNUSED(out))
-{
-  NodeTexBase *base = node->storage;
-  TexMapping *texmap = &base->tex_mapping;
-  float domin = (texmap->flag & TEXMAP_CLIP_MIN) != 0;
-  float domax = (texmap->flag & TEXMAP_CLIP_MAX) != 0;
-
-  if (domin || domax || !(texmap->flag & TEXMAP_UNIT_MATRIX)) {
-    static float max[3] = {FLT_MAX, FLT_MAX, FLT_MAX};
-    static float min[3] = {-FLT_MAX, -FLT_MAX, -FLT_MAX};
-    GPUNodeLink *tmin, *tmax, *tmat0, *tmat1, *tmat2, *tmat3;
-
-    tmin = GPU_uniform((domin) ? texmap->min : min);
-    tmax = GPU_uniform((domax) ? texmap->max : max);
-    tmat0 = GPU_uniform((float *)texmap->mat[0]);
-    tmat1 = GPU_uniform((float *)texmap->mat[1]);
-    tmat2 = GPU_uniform((float *)texmap->mat[2]);
-    tmat3 = GPU_uniform((float *)texmap->mat[3]);
-
-    GPU_link(mat, "mapping_mat4", in[0].link, tmat0, tmat1, tmat2, tmat3, tmin, tmax, &in[0].link);
-
-    if (texmap->type == TEXMAP_TYPE_NORMAL) {
-      GPU_link(mat, "vector_normalize", in[0].link, &in[0].link);
-    }
-  }
-}
-
-void get_XYZ_to_RGB_for_gpu(XYZ_to_RGB *data)
-{
-  const float *xyz_to_rgb = IMB_colormanagement_get_xyz_to_rgb();
-  data->r[0] = xyz_to_rgb[0];
-  data->r[1] = xyz_to_rgb[3];
-  data->r[2] = xyz_to_rgb[6];
-  data->g[0] = xyz_to_rgb[1];
-  data->g[1] = xyz_to_rgb[4];
-  data->g[2] = xyz_to_rgb[7];
-  data->b[0] = xyz_to_rgb[2];
-  data->b[1] = xyz_to_rgb[5];
-  data->b[2] = xyz_to_rgb[8];
-}