Floris Renaud : loader: Document the WINE_D3D_CONFIG environment variable.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 11bd4b53a95dfb678a3f6958e8d3c5f38088efb0
URL:    https://gitlab.winehq.org/wine/wine/-/commit/11bd4b53a95dfb678a3f6958e8d3c5f...

Author: Floris Renaud 
Date:   Tue Jan 24 13:06:02 2023 +0100

loader: Document the WINE_D3D_CONFIG environment variable.

---

loader/wine.man.in | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/loader/wine.man.in b/loader/wine.man.in
index ff37586d5fa..e04a76cd261 100644
--- a/loader/wine.man.in
+++ b/loader/wine.man.in
@@ -228,6 +228,18 @@ existing prefix, Wine will refuse to start if
 .B WINEARCH
 doesn't match the prefix architecture.
 .TP
+.B WINE_D3D_CONFIG
+Specifies Direct3D configuration options. It can be used instead of
+modifying the
+.B HKEY_CURRENT_USER\\Software\\Wine\\Direct3D
+registry key. The value is a comma- or semicolon-separated list
+of key-value pairs. For example:
+.IP
+WINE_D3D_CONFIG="renderer=vulkan;VideoPciVendorID=0xc0de"
+.IP
+If an individual setting is specified in both
+the environment variable and the registry, the former takes precedence.
+.TP
 .B DISPLAY
 Specifies the X11 display to use.
 .TP