gdi32: Return non-zero VREFRESH value for display devices.

Signed-off-by: Akihiro Sagawa <sagawa.aki@gmail.com> Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

gdi32: Return non-zero VREFRESH value for display devices.
22135ba5 · Akihiro Sagawa · Alexandre Julliard · 90da210c · 22135ba5 · 22135ba5
Commit 22135ba5 authored Jul 21, 2017 by Akihiro Sagawa Committed by Alexandre Julliard Jul 21, 2017
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driver.c dlls/gdi32/driver.c +1 -1

dc.c dlls/gdi32/tests/dc.c +6 -0

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--- a/dlls/gdi32/driver.c
+++ b/dlls/gdi32/driver.c
@@ -344,7 +344,7 @@ static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
    case PHYSICALOFFSETY: return 0;
    case SCALINGFACTORX:  return 0;
    case SCALINGFACTORY:  return 0;
-    case VREFRESH:        return 0;
+    case VREFRESH:        return GetDeviceCaps( dev->hdc, TECHNOLOGY ) == DT_RASDISPLAY ? 1 : 0;
    case DESKTOPVERTRES:  return GetDeviceCaps( dev->hdc, VERTRES );
    case DESKTOPHORZRES:  return GetDeviceCaps( dev->hdc, HORZRES );
    case BLTALIGNMENT:    return 0;

--- a/dlls/gdi32/tests/dc.c
+++ b/dlls/gdi32/tests/dc.c
@@ -400,6 +400,12 @@ static void test_device_caps( HDC hdc, HDC ref_dc, const char *descr, int scale 
            case LOGPIXELSY:
                hdc_caps *= scale;
                break;
+            case VREFRESH:
+                if (GetDeviceCaps( hdc, TECHNOLOGY ) == DT_RASDISPLAY)
+                    ok( hdc_caps > 0, "expected a positive value on %s, got %d\n", descr, hdc_caps );
+                else
+                    ok( hdc_caps == 0, "expected 0 on %s, got %d\n", descr, hdc_caps );
+                break;
            }
            ok( abs(hdc_caps - GetDeviceCaps( ref_dc, caps[i] )) <= precision,