Jeff Smith : d3drm: Return error if setting viewport field-of-view to zero or negative value.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 643e6379a955b875447fd8c245ab47fd8af1f216
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=643e6379a955b875447fd8c245ab47fd8af1f216

Author: Jeff Smith <whydoubt at gmail.com>
Date:   Mon Jul  8 10:19:45 2019 -0500

d3drm: Return error if setting viewport field-of-view to zero or negative value.

Signed-off-by: Jeff Smith <whydoubt at gmail.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/d3drm/tests/d3drm.c | 8 ++++++++
 dlls/d3drm/viewport.c    | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/dlls/d3drm/tests/d3drm.c b/dlls/d3drm/tests/d3drm.c
index 88f3db8..dbba859 100644
--- a/dlls/d3drm/tests/d3drm.c
+++ b/dlls/d3drm/tests/d3drm.c
@@ -2157,6 +2157,10 @@ static void test_Viewport(void)
     ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
     hr = IDirect3DRMViewport_GetDirect3DViewport(viewport, NULL);
     ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
+    hr = IDirect3DRMViewport_SetField(viewport, 0.0f);
+    ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
+    hr = IDirect3DRMViewport_SetField(viewport, -1.0f);
+    ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
 
     IDirect3DRMViewport_Release(viewport);
     ref4 = get_refcount((IUnknown *)d3drm1);
@@ -2249,6 +2253,10 @@ static void test_Viewport(void)
     ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
     hr = IDirect3DRMViewport2_GetDirect3DViewport(viewport2, NULL);
     ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
+    hr = IDirect3DRMViewport2_SetField(viewport2, 0.0f);
+    ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
+    hr = IDirect3DRMViewport2_SetField(viewport2, -1.0f);
+    ok(hr == D3DRMERR_BADVALUE, "Expected hr == D3DRMERR_BADVALUE, got %#x.\n", hr);
 
     IDirect3DRMViewport2_Release(viewport2);
     ref4 = get_refcount((IUnknown *)d3drm1);
diff --git a/dlls/d3drm/viewport.c b/dlls/d3drm/viewport.c
index 430c9d4..c2fa189 100644
--- a/dlls/d3drm/viewport.c
+++ b/dlls/d3drm/viewport.c
@@ -523,6 +523,9 @@ static HRESULT WINAPI d3drm_viewport2_SetField(IDirect3DRMViewport2 *iface, D3DV
 
     TRACE("iface %p, field %.8e.\n", iface, field);
 
+    if (field <= 0.0f)
+        return D3DRMERR_BADVALUE;
+
     viewport->field = field;
 
     return D3DRM_OK;