d3d9/tests: Add a test for sample masks.

dlls/d3d9/tests/visual.c

@@ -26739,6 +26739,96 @@ static void test_alpha_to_coverage(void)
     DestroyWindow(window);
 }
 
+static void test_sample_mask(void)
+{
+    IDirect3DSurface9 *rt, *ms_rt;
+    struct surface_readback rb;
+    IDirect3DDevice9 *device;
+    IDirect3D9 *d3d;
+    ULONG refcount;
+    DWORD colour;
+    HWND window;
+    HRESULT hr;
+
+    static const struct
+    {
+        struct vec3 position;
+        DWORD diffuse;
+    }
+    quad[] =
+    {
+        {{-1.0f, -1.0f, 0.1f}, 0xffffffff},
+        {{-1.0f,  1.0f, 0.1f}, 0xffffffff},
+        {{ 1.0f, -1.0f, 0.1f}, 0xffffffff},
+        {{ 1.0f,  1.0f, 0.1f}, 0xffffffff},
+    };
+
+    window = create_window();
+    d3d = Direct3DCreate9(D3D_SDK_VERSION);
+    ok(!!d3d, "Failed to create a D3D object.\n");
+
+    if (FAILED(IDirect3D9_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_A8R8G8B8, TRUE, D3DMULTISAMPLE_2_SAMPLES, NULL)))
+    {
+        skip("Multisampling not supported for D3DFMT_A8R8G8B8.\n");
+        IDirect3D9_Release(d3d);
+        DestroyWindow(window);
+        return;
+    }
+
+    if (!(device = create_device(d3d, window, window, TRUE)))
+    {
+        skip("Failed to create a 3D device.\n");
+        IDirect3D9_Release(d3d);
+        DestroyWindow(window);
+        return;
+    }
+
+    hr = IDirect3DDevice9_CreateRenderTarget(device, 128, 128,
+            D3DFMT_A8R8G8B8, D3DMULTISAMPLE_NONE, 0, FALSE, &rt, NULL);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice9_CreateRenderTarget(device, 128, 128,
+            D3DFMT_A8R8G8B8, D3DMULTISAMPLE_2_SAMPLES, 0, FALSE, &ms_rt, NULL);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_SetRenderTarget(device, 0, ms_rt);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice9_SetDepthStencilSurface(device, NULL);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_BeginScene(device);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_SetRenderState(device, D3DRS_LIGHTING, FALSE);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice9_SetRenderState(device, D3DRS_MULTISAMPLEMASK, 0x5);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffff0000, 0.0f, 0);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice9_SetFVF(device, D3DFVF_XYZ | D3DFVF_DIFFUSE);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DDevice9_DrawPrimitiveUP(device, D3DPT_TRIANGLESTRIP, 2, quad, sizeof(quad[0]));
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_StretchRect(device, ms_rt, NULL, rt, NULL, D3DTEXF_POINT);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    get_rt_readback(rt, &rb);
+    colour = get_readback_color(&rb, 64, 64);
+    todo_wine ok(color_match(colour, 0xffff8080, 1), "Got unexpected colour %08x.\n", colour);
+    release_surface_readback(&rb);
+
+    hr = IDirect3DDevice9_EndScene(device);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+
+    IDirect3DSurface9_Release(ms_rt);
+    IDirect3DSurface9_Release(rt);
+    refcount = IDirect3DDevice9_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+    IDirect3D9_Release(d3d);
+    DestroyWindow(window);
+}
+
 START_TEST(visual)
 {
     D3DADAPTER_IDENTIFIER9 identifier;
@@ -26886,4 +26976,5 @@ START_TEST(visual)
     test_draw_mapped_buffer();
     test_sample_attached_rendertarget();
     test_alpha_to_coverage();
+    test_sample_mask();
 }