Nodes: move some texture nodes to c++

This is necessary to be able to use them in geometry nodes.

1 files changed, 107 insertions, 0 deletions

diff --git a/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc b/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc
new file mode 100644
index 00000000000..de8e0916f4d
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_tex_noise.cc
@@ -0,0 +1,107 @@
+/*
+ * 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.
+ */
+
+#include "../node_shader_util.h"
+
+/* **************** NOISE ******************** */
+
+static bNodeSocketTemplate sh_node_tex_noise_in[] = {
+    {SOCK_VECTOR, N_("Vector"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_HIDE_VALUE},
+    {SOCK_FLOAT, N_("W"), 0.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
+    {SOCK_FLOAT, N_("Scale"), 5.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
+    {SOCK_FLOAT, N_("Detail"), 2.0f, 0.0f, 0.0f, 0.0f, 0.0f, 16.0f},
+    {SOCK_FLOAT, N_("Roughness"), 0.5f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_FACTOR},
+    {SOCK_FLOAT, N_("Distortion"), 0.0f, 0.0f, 0.0f, 0.0f, -1000.0f, 1000.0f},
+    {-1, ""},
+};
+
+static bNodeSocketTemplate sh_node_tex_noise_out[] = {
+    {SOCK_FLOAT,
+     N_("Fac"),
+     0.0f,
+     0.0f,
+     0.0f,
+     0.0f,
+     0.0f,
+     1.0f,
+     PROP_FACTOR,
+     SOCK_NO_INTERNAL_LINK},
+    {SOCK_RGBA, N_("Color"), 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, PROP_NONE, SOCK_NO_INTERNAL_LINK},
+    {-1, ""},
+};
+
+static void node_shader_init_tex_noise(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  NodeTexNoise *tex = (NodeTexNoise *)MEM_callocN(sizeof(NodeTexNoise), "NodeTexNoise");
+  BKE_texture_mapping_default(&tex->base.tex_mapping, TEXMAP_TYPE_POINT);
+  BKE_texture_colormapping_default(&tex->base.color_mapping);
+  tex->dimensions = 3;
+
+  node->storage = tex;
+}
+
+static const char *gpu_shader_get_name(const int dimensions)
+{
+  BLI_assert(dimensions >= 1 && dimensions <= 4);
+  return std::array{"node_noise_texture_1d",
+                    "node_noise_texture_2d",
+                    "node_noise_texture_3d",
+                    "node_noise_texture_4d"}[dimensions - 1];
+  return nullptr;
+}
+
+static int node_shader_gpu_tex_noise(GPUMaterial *mat,
+                                     bNode *node,
+                                     bNodeExecData *UNUSED(execdata),
+                                     GPUNodeStack *in,
+                                     GPUNodeStack *out)
+{
+  node_shader_gpu_default_tex_coord(mat, node, &in[0].link);
+  node_shader_gpu_tex_mapping(mat, node, in, out);
+
+  NodeTexNoise *tex = (NodeTexNoise *)node->storage;
+  const char *name = gpu_shader_get_name(tex->dimensions);
+  return GPU_stack_link(mat, node, name, in, out);
+}
+
+static void node_shader_update_tex_noise(bNodeTree *UNUSED(ntree), bNode *node)
+{
+  bNodeSocket *sockVector = nodeFindSocket(node, SOCK_IN, "Vector");
+  bNodeSocket *sockW = nodeFindSocket(node, SOCK_IN, "W");
+
+  NodeTexNoise *tex = (NodeTexNoise *)node->storage;
+  nodeSetSocketAvailability(sockVector, tex->dimensions != 1);
+  nodeSetSocketAvailability(sockW, tex->dimensions == 1 || tex->dimensions == 4);
+}
+
+/* node type definition */
+void register_node_type_sh_tex_noise(void)
+{
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_TEX_NOISE, "Noise Texture", NODE_CLASS_TEXTURE, 0);
+  node_type_socket_templates(&ntype, sh_node_tex_noise_in, sh_node_tex_noise_out);
+  node_type_init(&ntype, node_shader_init_tex_noise);
+  node_type_storage(
+      &ntype, "NodeTexNoise", node_free_standard_storage, node_copy_standard_storage);
+  node_type_gpu(&ntype, node_shader_gpu_tex_noise);
+  node_type_update(&ntype, node_shader_update_tex_noise);
+
+  nodeRegisterType(&ntype);
+}