[PATCH 1/4] d3dx9: Return D3DERR_INVALIDCALL from ID3DXEffect::BeginPass() if the effect is not started.

[Zebediah Figura]

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
 dlls/d3dx9_36/effect.c       | 6 ++++++
 dlls/d3dx9_36/tests/effect.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/dlls/d3dx9_36/effect.c b/dlls/d3dx9_36/effect.c
index 22afa649db3..e623c10035a 100644
--- a/dlls/d3dx9_36/effect.c
+++ b/dlls/d3dx9_36/effect.c
@@ -4001,6 +4001,12 @@ static HRESULT WINAPI d3dx_effect_BeginPass(ID3DXEffect *iface, UINT pass)
 
     TRACE("iface %p, pass %u\n", effect, pass);
 
+    if (!effect->started)
+    {
+        WARN("Effect is not started, returning D3DERR_INVALIDCALL.\n");
+        return D3DERR_INVALIDCALL;
+    }
+
     if (technique && pass < technique->pass_count && !effect->active_pass)
     {
         HRESULT hr;
diff --git a/dlls/d3dx9_36/tests/effect.c b/dlls/d3dx9_36/tests/effect.c
index ea90299f936..d4efc1101d9 100644
--- a/dlls/d3dx9_36/tests/effect.c
+++ b/dlls/d3dx9_36/tests/effect.c
@@ -3081,6 +3081,12 @@ static void test_effect_states(IDirect3DDevice9 *device)
             NULL, NULL, 0, NULL, &effect, NULL);
     ok(hr == D3D_OK, "Got result %x, expected 0 (D3D_OK).\n", hr);
 
+    hr = effect->lpVtbl->End(effect);
+    ok(hr == D3D_OK, "Got result %#x.\n", hr);
+
+    hr = effect->lpVtbl->BeginPass(effect, 0);
+    ok(hr == D3DERR_INVALIDCALL, "Got result %#x.\n", hr);
+
     /* State affected in passes saved/restored even if no pass
        was performed. States not present in passes are not saved &
        restored */
-- 
2.34.1