XR: Fix for Viewport Denoising Artifacts

Addresses T76003. When using VR with Eevee and viewport denoising,
scene geometry could sometimes be occluded for one eye. Solution is
to use a separate GPUViewport/GPUOffscreen for each VR view instead
of reusing a single one for rendering.

Reviewed By: Julian Eisel, Clément Foucault

Differential Revision: http://developer.blender.org/D11858

1 files changed, 4 insertions, 0 deletions

diff --git a/intern/ghost/GHOST_Types.h b/intern/ghost/GHOST_Types.h
index ff93de4f203..ddebfa7e816 100644
--- a/intern/ghost/GHOST_Types.h
+++ b/intern/ghost/GHOST_Types.h
@@ -683,6 +683,10 @@ typedef struct GHOST_XrDrawViewInfo {
 
   /** Set if the buffer should be submitted with a SRGB transfer applied. */
   char expects_srgb_buffer;
+
+  /** The view that this info represents. Not necessarily the "eye index" (e.g. for quad view
+   * systems, etc). */
+  char view_idx;
 } GHOST_XrDrawViewInfo;
 
 typedef struct GHOST_XrError {