wined3d: Only warn about 0 blend factors in gl_blend_factor().

Some applications reset state by setting all render states to 0. That's questionable on behalf of the application, but not an issue as far as wined3d is concerned. Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wined3d: Only warn about 0 blend factors in gl_blend_factor().
af767551 · Henri Verbeet · Alexandre Julliard · fb75e086 · af767551
Commit af767551 authored May 24, 2017 by Henri Verbeet Committed by Alexandre Julliard May 24, 2017
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state.c dlls/wined3d/state.c +4 -1

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--- a/dlls/wined3d/state.c
+++ b/dlls/wined3d/state.c
@@ -428,7 +428,10 @@ static GLenum gl_blend_factor(enum wined3d_blend factor, const struct wined3d_fo
        case WINED3D_BLEND_INVSRC1ALPHA:
            return GL_ONE_MINUS_SRC1_ALPHA;
        default:
-            FIXME("Unhandled blend factor %#x.\n", factor);
+            if (!factor)
+                WARN("Unhandled blend factor %#x.\n", factor);
+            else
+                FIXME("Unhandled blend factor %#x.\n", factor);
            return GL_NONE;
    }
 }