Nodes: add boilerplate for image sockets

The sockets are not exposed in any nodes yet.
They work similar to the Object/Collection/Texture sockets,
which also just reference a data block.

Based on rB207472930834

Reviewed By: JacquesLucke

Differential Revision: https://developer.blender.org/D12861

1 files changed, 11 insertions, 0 deletions

diff --git a/source/blender/nodes/NOD_socket_declarations.hh b/source/blender/nodes/NOD_socket_declarations.hh
index 00874cad766..e22b96cd1ff 100644
--- a/source/blender/nodes/NOD_socket_declarations.hh
+++ b/source/blender/nodes/NOD_socket_declarations.hh
@@ -193,6 +193,13 @@ class Texture : public IDSocketDeclaration {
   Texture();
 };
 
+class Image : public IDSocketDeclaration {
+ public:
+  using Builder = SocketDeclarationBuilder<Image>;
+
+  Image();
+};
+
 class Geometry : public SocketDeclaration {
  public:
   using Builder = SocketDeclarationBuilder<Geometry>;
@@ -339,6 +346,10 @@ inline Texture::Texture() : IDSocketDeclaration("NodeSocketTexture")
 {
 }
 
+inline Image::Image() : IDSocketDeclaration("NodeSocketImage")
+{
+}
+
 /** \} */
 
 }  // namespace blender::nodes::decl