Blender  V3.3
COM_ViewerNode.cc
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1 /* SPDX-License-Identifier: GPL-2.0-or-later
2  * Copyright 2011 Blender Foundation. */
3 
4 #include "COM_ViewerNode.h"
5 
6 #include "COM_ViewerOperation.h"
7 
8 namespace blender::compositor {
9 
10 ViewerNode::ViewerNode(bNode *editor_node) : Node(editor_node)
11 {
12  /* pass */
13 }
14 
16  const CompositorContext &context) const
17 {
18  bNode *editor_node = this->get_bnode();
19  bool do_output = (editor_node->flag & NODE_DO_OUTPUT_RECALC || context.is_rendering()) &&
20  (editor_node->flag & NODE_DO_OUTPUT);
21  bool ignore_alpha = (editor_node->custom2 & CMP_NODE_OUTPUT_IGNORE_ALPHA) != 0;
22 
23  NodeInput *image_socket = this->get_input_socket(0);
24  NodeInput *alpha_socket = this->get_input_socket(1);
25  NodeInput *depth_socket = this->get_input_socket(2);
26  Image *image = (Image *)this->get_bnode()->id;
27  ImageUser *image_user = (ImageUser *)this->get_bnode()->storage;
28  ViewerOperation *viewer_operation = new ViewerOperation();
29  viewer_operation->set_bnodetree(context.get_bnodetree());
30  viewer_operation->set_image(image);
31  viewer_operation->set_image_user(image_user);
32  viewer_operation->set_chunk_order((ChunkOrdering)editor_node->custom1);
33  viewer_operation->setCenterX(editor_node->custom3);
34  viewer_operation->setCenterY(editor_node->custom4);
35  /* alpha socket gives either 1 or a custom alpha value if "use alpha" is enabled */
36  viewer_operation->set_use_alpha_input(ignore_alpha || alpha_socket->is_linked());
37  viewer_operation->set_render_data(context.get_render_data());
38  viewer_operation->set_view_name(context.get_view_name());
39 
40  Scene *scene = context.get_scene();
41  viewer_operation->set_view_settings(&scene->view_settings);
42  viewer_operation->set_display_settings(&scene->display_settings);
43 
44  viewer_operation->set_canvas_input_index(0);
45  if (!image_socket->is_linked()) {
46  if (alpha_socket->is_linked()) {
47  viewer_operation->set_canvas_input_index(1);
48  }
49  }
50 
51  converter.add_operation(viewer_operation);
52  converter.map_input_socket(image_socket, viewer_operation->get_input_socket(0));
53  /* only use alpha link if "use alpha" is enabled */
54  if (ignore_alpha) {
55  converter.add_input_value(viewer_operation->get_input_socket(1), 1.0f);
56  }
57  else {
58  converter.map_input_socket(alpha_socket, viewer_operation->get_input_socket(1));
59  }
60  converter.map_input_socket(depth_socket, viewer_operation->get_input_socket(2));
61 
62  converter.add_node_input_preview(image_socket);
63 
64  if (do_output) {
65  converter.register_viewer(viewer_operation);
66  }
67 }
68 
69 } // namespace blender::compositor
#define NODE_DO_OUTPUT
#define NODE_DO_OUTPUT_RECALC
#define CMP_NODE_OUTPUT_IGNORE_ALPHA
Overall context of the compositor.
void register_viewer(ViewerOperation *viewer)
void add_node_input_preview(NodeInput *input)
void add_input_value(NodeOperationInput *input, float value)
void add_operation(NodeOperation *operation)
void map_input_socket(NodeInput *node_socket, NodeOperationInput *operation_socket)
NodeInput are sockets that can receive data/input.
Definition: COM_Node.h:190
void set_bnodetree(const bNodeTree *tree)
NodeOperationInput * get_input_socket(unsigned int index)
void set_canvas_input_index(unsigned int index)
set the index of the input socket that will determine the canvas of this operation
bNode * get_bnode() const
get the reference to the SDNA bNode struct
Definition: COM_Node.h:64
NodeInput * get_input_socket(unsigned int index) const
Definition: COM_Node.cc:89
ViewerNode(bNode *editor_node)
void convert_to_operations(NodeConverter &converter, const CompositorContext &context) const override
convert node to operation
void set_display_settings(const ColorManagedDisplaySettings *display_settings)
void set_image_user(ImageUser *image_user)
void set_chunk_order(ChunkOrdering tile_order)
void set_view_name(const char *view_name)
void set_render_data(const RenderData *rd)
void set_view_settings(const ColorManagedViewSettings *view_settings)
Scene scene
depth_tx normal_tx diffuse_light_tx specular_light_tx volume_light_tx environment_tx ambient_occlusion_tx aov_value_tx in_weight_img image(1, GPU_R32F, Qualifier::WRITE, ImageType::FLOAT_2D_ARRAY, "out_weight_img") .image(3
ChunkOrdering
The order of chunks to be scheduled.
Definition: COM_defines.h:95
ColorManagedViewSettings view_settings
ColorManagedDisplaySettings display_settings
short custom1
struct ID * id
float custom4
void * storage
short custom2
float custom3