1 files changed, 58 insertions, 0 deletions
diff --git a/source/blender/nodes/shader/nodes/node_shader_virtual_camera.cc b/source/blender/nodes/shader/nodes/node_shader_virtual_camera.cc
new file mode 100644
index 00000000000..1e26ee2fe63
--- /dev/null
+++ b/source/blender/nodes/shader/nodes/node_shader_virtual_camera.cc
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ * Copyright 2005 Blender Foundation. All rights reserved. */
+
+#include "node_shader_util.hh"
+
+#include "DNA_camera_types.h"
+
+namespace blender::nodes::node_shader_virtual_camera_cc {
+
+static void sh_node_virtual_camera_declare(NodeDeclarationBuilder &b)
+{
+  b.add_input<decl::Vector>(N_("Vector")).implicit_field(implicit_field_inputs::position);
+  b.add_output<decl::Color>(N_("Color")).no_muted_links();
+  b.add_output<decl::Float>(N_("Alpha")).no_muted_links();
+}
+
+static int node_shader_gpu_virtual_camera(GPUMaterial *mat,
+                                          bNode *node,
+                                          bNodeExecData * /*execdata*/,
+                                          GPUNodeStack *in,
+                                          GPUNodeStack *out)
+{
+  Object *object = (Object *)node->id;
+  if (object == nullptr || object->type != OB_CAMERA) {
+    return GPU_stack_link(mat, node, "node_virtual_camera_empty", in, out);
+  }
+
+  Camera *cam = static_cast<Camera *>(object->data);
+  const bool virtual_camera_stage = cam->runtime.virtual_camera_stage;
+  if (virtual_camera_stage || cam->runtime.virtual_display_texture == nullptr) {
+    return GPU_stack_link(mat, node, "node_virtual_camera_empty", in, out);
+  }
+
+  GPUNodeLink **texco = &in[0].link;
+  if (!*texco) {
+    *texco = GPU_attribute(mat, CD_AUTO_FROM_NAME, "");
+    node_shader_gpu_bump_tex_coord(mat, node, texco);
+  }
+  node_shader_gpu_tex_mapping(mat, node, in, out);
+
+  return GPU_stack_link(
+      mat, node, "node_virtual_camera", in, out, GPU_image_camera(mat, cam, GPU_SAMPLER_DEFAULT));
+}
+
+}  // namespace blender::nodes::node_shader_virtual_camera_cc
+
+void register_node_type_sh_virtual_camera()
+{
+  namespace file_ns = blender::nodes::node_shader_virtual_camera_cc;
+
+  static bNodeType ntype;
+
+  sh_node_type_base(&ntype, SH_NODE_VIRTUAL_CAMERA, "Virtual Camera", NODE_CLASS_TEXTURE);
+  ntype.declare = file_ns::sh_node_virtual_camera_declare;
+  node_type_gpu(&ntype, file_ns::node_shader_gpu_virtual_camera);
+
+  nodeRegisterType(&ntype);
+}