COM_utilities.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "BLI_function_ref.hh"
#include "BLI_math_vector_types.hh"
 
#include "NOD_derived_node_tree.hh"
 
#include "GPU_shader.hh"
 
#include "COM_input_descriptor.hh"
#include "COM_result.hh"
 
namespace blender::realtime_compositor {
 
using namespace nodes::derived_node_tree_types;
 
DSocket get_input_origin_socket(DInputSocket input);
 
DOutputSocket get_output_linked_to_input(DInputSocket input);
 
ResultType get_node_socket_result_type(const bNodeSocket *socket);
 
bool is_output_linked_to_node_conditioned(DOutputSocket output,
                                          FunctionRef<bool(DNode)> condition);
 
int number_of_inputs_linked_to_output_conditioned(DOutputSocket output,
                                                  FunctionRef<bool(DInputSocket)> condition);
 
bool is_pixel_node(DNode node);
 
InputDescriptor input_descriptor_from_input_socket(const bNodeSocket *socket);
 
void compute_dispatch_threads_at_least(GPUShader *shader,
                                       int2 threads_range,
                                       int2 local_size = int2(16));
 
/* Returns true if a node preview needs to be computed for the give node. */
bool is_node_preview_needed(const DNode &node);
 
/* Returns the node output that will be used to generate previews. */
DOutputSocket find_preview_output_socket(const DNode &node);
 
/* Computes a lower resolution version of the given result and sets it as a preview for the given
 * node after applying the appropriate color management specified in the given context. */
void compute_preview_from_result(Context &context, const DNode &node, Result &input_result);
 
/* Executes the given function in parallel over the given 2D range. The given function gets the
 * texel coordinates of the element of the range as an argument. */
void parallel_for(const int2 range, FunctionRef<void(int2)> function);
 
}  // namespace blender::realtime_compositor