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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include <pxr/pxr.h>
#include <pxr/usd/usd/prim.h>
#include <pxr/usd/usd/stage.h>
#include <pxr/usd/usdShade/material.h>
#include <string>
struct bNode;
struct bNodeTree;
struct Material;
struct USDExportParams;
namespace blender::io::usd {
struct USDExporterContext;
/**
* Entry point to create an approximate USD Preview Surface network from a Cycles node graph.
* Due to the limited nodes in the USD Preview Surface specification, only the following nodes
* are supported:
* - UVMap
* - Texture Coordinate
* - Image Texture
* - Principled BSDF
* More may be added in the future.
*
* \param default_uv: used as the default UV set name sampled by the `primvar`
* reader shaders generated for image texture nodes that don't have an attached UVMap node.
*/
void create_usd_preview_surface_material(const USDExporterContext &usd_export_context,
Material *material,
pxr::UsdShadeMaterial &usd_material,
const std::string &default_uv = "");
/* Entry point to create USD Shade Material network from Blender viewport display settings. */
void create_usd_viewport_material(const USDExporterContext &usd_export_context,
Material *material,
pxr::UsdShadeMaterial &usd_material);
} // namespace blender::io::usd
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