From ce3dd12371f5bd02eb64488712d8c529ffe62f6b Mon Sep 17 00:00:00 2001
From: Piotr Makal <pmakal>
Date: Fri, 6 May 2022 11:36:27 +0200
Subject: USD: add volume/VDB export

Add support for volume (OpenVDB) USD export:

- Allows to export both static and animated volumes.
- Supports volumes that have OpenVDB data from files or are generated in
  Blender with 'Mesh to Volume' modifier.
- For volumes that have generated data in Blender it also exports
  corresponding .vdb files. Those files are saved in a new folder named
  "volumes".
- Slightly changes the USD export UI panel. "Relative Texture Paths"
  becomes "Relative Paths" (and has separate UI box) as the
  functionality will now apply to both textures and volumes. Disabling
  of this option due to "Materials" checkbox being turned off has been
  removed.

Reviewed By: sybren, makowalski

Differential Revision: https://developer.blender.org/D14193

Manifest Task: T95407
---
 source/blender/io/usd/intern/usd_exporter_context.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'source/blender/io/usd/intern/usd_exporter_context.h')

diff --git a/source/blender/io/usd/intern/usd_exporter_context.h b/source/blender/io/usd/intern/usd_exporter_context.h
index 5a3f94d01f8..a636d849296 100644
--- a/source/blender/io/usd/intern/usd_exporter_context.h
+++ b/source/blender/io/usd/intern/usd_exporter_context.h
@@ -8,12 +8,14 @@
 #include <pxr/usd/usd/common.h>
 
 struct Depsgraph;
+struct Main;
 
 namespace blender::io::usd {
 
 class USDHierarchyIterator;
 
 struct USDExporterContext {
+  Main *bmain;
   Depsgraph *depsgraph;
   const pxr::UsdStageRefPtr stage;
   const pxr::SdfPath usd_path;
-- 
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