71f4277467
Support loops at the GLSL level instead of relying on NOD_shader_nodes_inline. This improves compilation and runtime performance, avoids causing recompilations on iteration count changes, and allows supporting dynamic iteration counts. (EEVEE-only) Pull Request: https://projects.blender.org/blender/blender/pulls/145269
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
/* SPDX-FileCopyrightText: 2025 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "BLI_vector.hh"
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struct bNodeTree;
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struct bNode;
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namespace blender::nodes {
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struct InlineShaderNodeTreeParams {
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/**
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* Disable loop unrolling and keep Repeat Zone nodes in the tree.
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* (For engines with native support for Repeat Zones)
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*
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* Some Repeat Zones may still be unrolled (eg. if they have Closure or Bundle Zone Items).
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*/
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bool allow_preserving_repeat_zones = false;
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struct ErrorMessage {
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/* In theory, more contextual information could be added here like the entire context path to
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* that node. In practice, we can't report errors with that level of detail in shader nodes
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* yet. */
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const bNode *node;
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std::string message;
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};
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Vector<ErrorMessage> r_error_messages;
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};
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bool inline_shader_node_tree(const bNodeTree &src_tree,
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bNodeTree &dst_tree,
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InlineShaderNodeTreeParams ¶ms);
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} // namespace blender::nodes
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