From: José Fonseca <jfons...@vmware.com>
We never used ulVersion for proper version checks.
Most 3rd party drivers use version 1, but recently NVIDIA OpenGL driver
started using a version number 1, so the handy trick of renaming Mesa's
ICDs as nvoglv32.dll on Windows machines with NVIDIA hardware for quick
testing of Mesa software renderers stopped working.
---
src/gallium/state_trackers/wgl/stw_device.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/gallium/state_trackers/wgl/stw_device.c
b/src/gallium/state_trackers/wgl/stw_device.c
index 025dbdc..4562355 100644
--- a/src/gallium/state_trackers/wgl/stw_device.c
+++ b/src/gallium/state_trackers/wgl/stw_device.c
@@ -213,6 +213,13 @@ BOOL APIENTRY
DrvValidateVersion(
ULONG ulVersion )
{
- /* TODO: get the expected version from the winsys */
- return ulVersion == 1;
+ /* ulVersion is the version reported by the KMD:
+ * - via D3DKMTQueryAdapterInfo(KMTQAITYPE_UMOPENGLINFO) on WDDM,
+ * - or ExtEscape on XPDM and can be used to ensure the KMD and OpenGL ICD
+ * versions match.
+ *
+ * We should get the expected version number from the winsys, but for now
+ * ignore it. */
+ (void)ulVersion;
+ return TRUE;
}
--
2.1.0
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