From ddc868c4a01624a601244a8d1c42989db3bae936 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Tue, 22 Jan 2013 23:01:31 +0100
Subject: [PATCH] d3d9/tests: Add simple DrawRectPatch tests.

---
 dlls/d3d9/tests/device.c | 113 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)

diff --git a/dlls/d3d9/tests/device.c b/dlls/d3d9/tests/device.c
index cabdec5db0d..ba8a3efd5ca 100644
--- a/dlls/d3d9/tests/device.c
+++ b/dlls/d3d9/tests/device.c
@@ -6122,6 +6122,118 @@ static void test_swvp_buffer(void)
     DestroyWindow(window);
 }
 
+static void test_rtpatch(void)
+{
+    IDirect3DDevice9 *device;
+    IDirect3D9 *d3d9;
+    UINT refcount;
+    HWND window;
+    HRESULT hr;
+    IDirect3DVertexBuffer9 *buffer;
+    IDirect3DVertexDeclaration9 *decl;
+    static const unsigned int bufsize = 16;
+    struct
+    {
+        float x, y, z;
+    } *data;
+    D3DRECTPATCH_INFO patch;
+    static const float num_segs[] = {1.0f, 1.0f, 1.0f, 1.0f};
+    UINT handle = 0x1234;
+    D3DCAPS9 caps;
+
+    /* Position input, this generates tesselated positions, but do not generate normals
+     *  or texture coordinates. The d3d documentation isn't clear on how to do this */
+    static const D3DVERTEXELEMENT9 decl_elements[] = {
+        {0, 0,  D3DDECLTYPE_FLOAT3,   D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
+        D3DDECL_END()
+    };
+
+    if (!(d3d9 = pDirect3DCreate9(D3D_SDK_VERSION)))
+    {
+        skip("Failed to create IDirect3D9 object, skipping tests.\n");
+        return;
+    }
+
+    window = CreateWindowA("static", "d3d9_test", WS_OVERLAPPEDWINDOW,
+            0, 0, 640, 480, 0, 0, 0, 0);
+    if (!(device = create_device(d3d9, window, window, TRUE)))
+    {
+        skip("Failed to create a D3D device, skipping tests.\n");
+        IDirect3D9_Release(d3d9);
+        DestroyWindow(window);
+        return;
+    }
+
+    hr = IDirect3DDevice9_GetDeviceCaps(device, &caps);
+    ok(SUCCEEDED(hr), "Failed to get caps, hr %#x.\n", hr);
+    if (caps.DevCaps & D3DDEVCAPS_RTPATCHES)
+    {
+        /* The draw methods return the same values, but the patch handle support
+         * is different on the refrast, which is the only d3d implementation
+         * known to support tri/rect patches */
+        skip("Device supports patches, skipping unsupported patch test\n");
+        IDirect3DDevice9_Release(device);
+        IDirect3D9_Release(d3d9);
+        DestroyWindow(window);
+        return;
+    }
+
+    hr = IDirect3DDevice9_CreateVertexDeclaration(device, decl_elements, &decl);
+    ok(SUCCEEDED(hr), "Failed to create vertex declaration, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_SetVertexDeclaration(device, decl);
+    ok(SUCCEEDED(hr), "Failed to set vertex declaration, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_CreateVertexBuffer(device, bufsize * sizeof(*data), D3DUSAGE_RTPATCHES, 0,
+            D3DPOOL_MANAGED, &buffer, NULL);
+    ok(SUCCEEDED(hr), "Failed to create buffer, hr %#x.\n", hr);
+    hr = IDirect3DVertexBuffer9_Lock(buffer, 0, 0, (void **)&data, 0);
+    ok(SUCCEEDED(hr), "Failed to lock buffer, hr %#x.\n", hr);
+    memset(data, 0, bufsize * sizeof(*data));
+    hr = IDirect3DVertexBuffer9_Unlock(buffer);
+    ok(SUCCEEDED(hr), "Failed to unlock buffer, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_SetStreamSource(device, 0, buffer, 0, sizeof(*data));
+    ok(SUCCEEDED(hr), "Failed to set stream source, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_BeginScene(device);
+    ok(SUCCEEDED(hr), "Failed to begin scene, hr %#x.\n", hr);
+
+    patch.StartVertexOffsetWidth = 0;
+    patch.StartVertexOffsetHeight = 0;
+    patch.Width = 4;
+    patch.Height = 4;
+    patch.Stride = 4;
+    patch.Basis = D3DBASIS_BEZIER;
+    patch.Degree = D3DDEGREE_CUBIC;
+    hr = IDirect3DDevice9_DrawRectPatch(device, handle, num_segs, NULL);
+    ok(SUCCEEDED(hr), "Failed to draw rect patch, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_DrawRectPatch(device, handle, num_segs, &patch);
+    ok(SUCCEEDED(hr), "Failed to draw rect patch, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_DrawRectPatch(device, handle, num_segs, NULL);
+    ok(SUCCEEDED(hr), "Failed to draw rect patch, hr %#x.\n", hr);
+    hr = IDirect3DDevice9_DrawRectPatch(device, 0, num_segs, NULL);
+    ok(SUCCEEDED(hr), "Failed to draw rect patch, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_EndScene(device);
+    ok(SUCCEEDED(hr), "Failed to end scene, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_DrawRectPatch(device, 0, num_segs, &patch);
+    ok(SUCCEEDED(hr), "Failed to draw rect patch outside scene, hr %#x.\n", hr);
+
+    hr = IDirect3DDevice9_DeletePatch(device, handle);
+    ok(hr == D3DERR_INVALIDCALL, "DeletePatch returned hr %#x.\n", hr);
+    hr = IDirect3DDevice9_DeletePatch(device, 0);
+    ok(hr == D3DERR_INVALIDCALL, "DeletePatch returned hr %#x.\n", hr);
+    hr = IDirect3DDevice9_DeletePatch(device, 0x1235);
+    ok(hr == D3DERR_INVALIDCALL, "DeletePatch returned hr %#x.\n", hr);
+
+    IDirect3DVertexDeclaration9_Release(decl);
+    IDirect3DVertexBuffer9_Release(buffer);
+    refcount = IDirect3DDevice9_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+    IDirect3D9_Release(d3d9);
+    DestroyWindow(window);
+}
+
 START_TEST(device)
 {
     HMODULE d3d9_handle = LoadLibraryA( "d3d9.dll" );
@@ -6209,6 +6321,7 @@ START_TEST(device)
         test_surface_lockrect_blocks();
         test_set_palette();
         test_swvp_buffer();
+        test_rtpatch();
     }
 
 out: