d3d9/tests: Add basic test for StretchRect() with multisample resources.

dlls/d3d9/tests/visual.c

@@ -4072,6 +4072,135 @@ done:
     DestroyWindow(window);
 }
 
+static void test_multisample_stretch_rect(void)
+{
+    static const D3DTEXTUREFILTERTYPE filters[] =
+    {
+        D3DTEXF_NONE,
+        D3DTEXF_POINT,
+        D3DTEXF_LINEAR,
+    };
+    IDirect3DSurface9 *rt, *ms_rt, *rt_r5g6b5;
+    struct surface_readback rb;
+    IDirect3DDevice9 *device;
+    DWORD quality_levels;
+    IDirect3D9 *d3d;
+    unsigned int i;
+    ULONG refcount;
+    HWND window;
+    DWORD color;
+    HRESULT hr;
+    RECT rect;
+
+    window = create_window();
+    d3d = Direct3DCreate9(D3D_SDK_VERSION);
+    ok(!!d3d, "Failed to create a D3D object.\n");
+
+    if (IDirect3D9_CheckDeviceMultiSampleType(d3d, D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL,
+            D3DFMT_A8R8G8B8, TRUE, D3DMULTISAMPLE_2_SAMPLES, &quality_levels) == D3DERR_NOTAVAILABLE)
+    {
+        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 == S_OK, "Failed to create render target, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_CreateRenderTarget(device, 128, 128,
+            D3DFMT_A8R8G8B8, D3DMULTISAMPLE_2_SAMPLES, quality_levels - 1, FALSE, &ms_rt, NULL);
+    ok(hr == S_OK, "Failed to create render target, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_SetRenderTarget(device, 0, ms_rt);
+    ok(hr == D3D_OK, "Failed to set render target, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0x00ff00ff, 0.0f, 0);
+    ok(hr == D3D_OK, "Failed to clear, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_SetRenderTarget(device, 0, rt);
+    ok(hr == D3D_OK, "Failed to set render target, hr %#x.\n", hr);
+
+    for (i = 0; i < sizeof(filters) / sizeof(*filters); ++i)
+    {
+        hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffffffff, 0.0f, 0);
+        ok(hr == D3D_OK, "Test %u: Failed to clear, hr %#x.\n", i, hr);
+        hr = IDirect3DDevice9_StretchRect(device, ms_rt, NULL, rt, NULL, filters[i]);
+        ok(hr == S_OK, "Test %u: Failed to stretch rect, hr %#x.\n", i, hr);
+        color = getPixelColor(device, 64, 64);
+        ok(color == 0x00ff00ff, "Test %u: Got color 0x%08x.\n", i, color);
+    }
+
+    /* Scaling */
+    SetRect(&rect, 0, 0, 64, 64);
+    for (i = 0; i < sizeof(filters) / sizeof(*filters); ++i)
+    {
+        hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffffffff, 0.0f, 0);
+        ok(hr == D3D_OK, "Test %u: Failed to clear, hr %#x.\n", i, hr);
+        hr = IDirect3DDevice9_StretchRect(device, ms_rt, NULL, rt, &rect, filters[i]);
+        ok(hr == S_OK, "Test %u: Failed to stretch rect, hr %#x.\n", i, hr);
+        get_rt_readback(rt, &rb);
+        color = get_readback_color(&rb, 32, 32);
+        ok(color == 0x00ff00ff, "Test %u: Got color 0x%08x.\n", i, color);
+        color = get_readback_color(&rb, 64, 64);
+        ok(color == 0xffffffff, "Test %u: Got color 0x%08x.\n", i, color);
+        color = get_readback_color(&rb, 96, 96);
+        ok(color == 0xffffffff, "Test %u: Got color 0x%08x.\n", i, color);
+        release_surface_readback(&rb);
+
+        hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffffffff, 0.0f, 0);
+        ok(hr == D3D_OK, "Test %u: Failed to clear, hr %#x.\n", i, hr);
+        hr = IDirect3DDevice9_StretchRect(device, ms_rt, &rect, rt, NULL, filters[i]);
+        ok(hr == S_OK, "Test %u: Failed to stretch rect, hr %#x.\n", i, hr);
+        get_rt_readback(rt, &rb);
+        color = get_readback_color(&rb, 32, 32);
+        ok(color == 0x00ff00ff, "Test %u: Got color 0x%08x.\n", i, color);
+        color = get_readback_color(&rb, 64, 64);
+        ok(color == 0x00ff00ff, "Test %u: Got color 0x%08x.\n", i, color);
+        color = get_readback_color(&rb, 96, 96);
+        ok(color == 0x00ff00ff, "Test %u: Got color 0x%08x.\n", i, color);
+        release_surface_readback(&rb);
+    }
+
+    /* Format conversion */
+    hr = IDirect3DDevice9_CreateRenderTarget(device, 128, 128,
+            D3DFMT_R5G6B5, D3DMULTISAMPLE_NONE, 0, FALSE, &rt_r5g6b5, NULL);
+    if (FAILED(hr))
+    {
+        skip("Failed to create D3DFMT_R5G6B5 render target.\n");
+        goto done;
+    }
+
+    for (i = 0; i < sizeof(filters) / sizeof(*filters); ++i)
+    {
+        hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffffffff, 0.0f, 0);
+        ok(hr == D3D_OK, "Test %u: Failed to clear, hr %#x.\n", i, hr);
+        hr = IDirect3DDevice9_StretchRect(device, ms_rt, NULL, rt_r5g6b5, NULL, filters[i]);
+        ok(hr == S_OK, "Test %u: Failed to stretch rect, hr %#x.\n", i, hr);
+        hr = IDirect3DDevice9_StretchRect(device, rt_r5g6b5, NULL, rt, NULL, filters[i]);
+        ok(hr == S_OK, "Test %u: Failed to stretch rect, hr %#x.\n", i, hr);
+        color = getPixelColor(device, 64, 64);
+        ok(color == 0x00ff00ff, "Test %u: Got color 0x%08x.\n", i, color);
+    }
+
+    IDirect3DSurface9_Release(rt_r5g6b5);
+
+done:
+    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);
+}
+
 static void maxmip_test(void)
 {
     IDirect3DTexture9 *texture;
@@ -23645,6 +23774,7 @@ START_TEST(visual)
     test_sanity();
     depth_clamp_test();
     stretchrect_test();
+    test_multisample_stretch_rect();
     lighting_test();
     test_specular_lighting();
     clear_test();