Mesa (master): gallium/targets/libgl-gdi: prefer d3d12 driver

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Module: Mesa
Branch: master
Commit: 8955980f17f902d24c50962502a20285dcd11642
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8955980f17f902d24c50962502a20285dcd11642

Author: Erik Faye-Lund <erik.faye-lund at collabora.com>
Date:   Sun May 26 10:43:57 2019 +0200

gallium/targets/libgl-gdi: prefer d3d12 driver

Unlike the other drivers, the D3D12 driver is hardware accelerated, so
it's going to be a more reasonable choice. So let's prefer it.

This only matters for people who build with the D3D12 driver. And they
can set the GALLIUM_DRIVER environment variable as appropriate to
override it.

Reviewed-by: Jesse Natalie <jenatali at microsoft.com>
Acked-by: Adam Jackson <ajax at redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7534>

---

 src/gallium/targets/libgl-gdi/libgl_gdi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/targets/libgl-gdi/libgl_gdi.c b/src/gallium/targets/libgl-gdi/libgl_gdi.c
index b9436a43bc9..3619dfc6f3f 100644
--- a/src/gallium/targets/libgl-gdi/libgl_gdi.c
+++ b/src/gallium/targets/libgl-gdi/libgl_gdi.c
@@ -89,7 +89,9 @@ gdi_screen_create(HDC hDC)
    if(!winsys)
       goto no_winsys;
 
-#ifdef GALLIUM_LLVMPIPE
+#ifdef GALLIUM_D3D12
+   default_driver = "d3d12";
+#elif defined(GALLIUM_LLVMPIPE)
    default_driver = "llvmpipe";
 #elif GALLIUM_SWR
    default_driver = "swr";