Cleanup: Migrate all shader nodes to c++

This will be useful in the future to use the new socket builder API

Aditional changes:

- Declare variables where initialized
- Do not use relative includes

Differential Revision: https://developer.blender.org/D13465

1 files changed, 99 insertions, 0 deletions

diff --git a/source/blender/nodes/shader/nodes/node_shader_hueSatVal.cc b/source/blender/nodes/shader/nodes/node_shader_hueSatVal.cc
new file mode 100644
index 00000000000..976e1b48489
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_hueSatVal.cc
@@ -0,0 +1,99 @@
+/*
+ * 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) 2006 Blender Foundation.
+ * All rights reserved.
+ */
+
+/** \file
+ * \ingroup shdnodes
+ */
+
+#include "node_shader_util.hh"
+
+/* **************** Hue Saturation ******************** */
+static bNodeSocketTemplate sh_node_hue_sat_in[] = {
+    {SOCK_FLOAT, N_("Hue"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE},
+    {SOCK_FLOAT, N_("Saturation"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 2.0f, PROP_NONE},
+    {SOCK_FLOAT, N_("Value"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 2.0f, PROP_NONE},
+    {SOCK_FLOAT, N_("Fac"), 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+    {SOCK_RGBA, N_("Color"), 0.8f, 0.8f, 0.8f, 1.0f},
+    {-1, ""},
+};
+static bNodeSocketTemplate sh_node_hue_sat_out[] = {
+    {SOCK_RGBA, N_("Color")},
+    {-1, ""},
+};
+
+/* NOTE: it would be possible to use CMP version for both nodes. */
+static void do_hue_sat_fac(
+    bNode *UNUSED(node), float *out, float hue, float sat, float val, const float in[4], float fac)
+{
+  if (fac != 0.0f && (hue != 0.5f || sat != 1.0f || val != 1.0f)) {
+    float col[3], hsv[3], mfac = 1.0f - fac;
+
+    rgb_to_hsv(in[0], in[1], in[2], hsv, hsv + 1, hsv + 2);
+    hsv[0] = fmodf(hsv[0] + hue + 0.5f, 1.0f);
+    hsv[1] = clamp_f(hsv[1] * sat, 0.0f, 1.0f);
+    hsv[2] *= val;
+    hsv_to_rgb(hsv[0], hsv[1], hsv[2], col, col + 1, col + 2);
+
+    out[0] = mfac * in[0] + fac * col[0];
+    out[1] = mfac * in[1] + fac * col[1];
+    out[2] = mfac * in[2] + fac * col[2];
+  }
+  else {
+    copy_v4_v4(out, in);
+  }
+}
+
+static void node_shader_exec_hue_sat(void *UNUSED(data),
+                                     int UNUSED(thread),
+                                     bNode *node,
+                                     bNodeExecData *UNUSED(execdata),
+                                     bNodeStack **in,
+                                     bNodeStack **out)
+{
+  float hue, sat, val, fac;
+  float col[4];
+  nodestack_get_vec(&hue, SOCK_FLOAT, in[0]);
+  nodestack_get_vec(&sat, SOCK_FLOAT, in[1]);
+  nodestack_get_vec(&val, SOCK_FLOAT, in[2]);
+  nodestack_get_vec(&fac, SOCK_FLOAT, in[3]);
+  nodestack_get_vec(col, SOCK_RGBA, in[4]);
+  do_hue_sat_fac(node, out[0]->vec, hue, sat, val, col, fac);
+}
+
+static int gpu_shader_hue_sat(GPUMaterial *mat,
+                              bNode *node,
+                              bNodeExecData *UNUSED(execdata),
+                              GPUNodeStack *in,
+                              GPUNodeStack *out)
+{
+  return GPU_stack_link(mat, node, "hue_sat", in, out);
+}
+
+void register_node_type_sh_hue_sat(void)
+{
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_HUE_SAT, "Hue Saturation Value", NODE_CLASS_OP_COLOR, 0);
+  node_type_socket_templates(&ntype, sh_node_hue_sat_in, sh_node_hue_sat_out);
+  node_type_size_preset(&ntype, NODE_SIZE_MIDDLE);
+  node_type_exec(&ntype, nullptr, nullptr, node_shader_exec_hue_sat);
+  node_type_gpu(&ntype, gpu_shader_hue_sat);
+
+  nodeRegisterType(&ntype);
+}