d3d9/tests: Add another test for drawing from a mapped buffer.

dlls/d3d9/tests/visual.c

@@ -27360,14 +27360,9 @@ static void test_dynamic_map_synchronization(void)
     }
 
     hr = IDirect3DDevice9_CreateVertexBuffer(device, 200 * 4 * sizeof(struct dynamic_vb_vertex),
-            D3DUSAGE_DYNAMIC, D3DFVF_XYZ, D3DPOOL_DEFAULT, &buffer, NULL);
+            D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_XYZ, D3DPOOL_DEFAULT, &buffer, NULL);
     ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
 
-    hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffff0000, 0.0f, 0);
-    ok(hr == D3D_OK, "Failed to clear, hr %#lx.\n", hr);
-
-    hr = IDirect3DDevice9_BeginScene(device);
-    ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
     hr = IDirect3DDevice9_SetStreamSource(device, 0, buffer, 0, sizeof(struct dynamic_vb_vertex));
     ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
     hr = IDirect3DDevice9_SetRenderState(device, D3DRS_LIGHTING, FALSE);
@@ -27377,6 +27372,12 @@ static void test_dynamic_map_synchronization(void)
     hr = IDirect3DDevice9_SetFVF(device, D3DFVF_XYZ | D3DFVF_DIFFUSE);
     ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
 
+    hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffff0000, 0.0f, 0);
+    ok(hr == D3D_OK, "Failed to clear, hr %#lx.\n", hr);
+
+    hr = IDirect3DDevice9_BeginScene(device);
+    ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+
     for (y = 0; y < 200; ++y)
     {
         hr = IDirect3DVertexBuffer9_Lock(buffer, 0, 0, &data, D3DLOCK_DISCARD);
@@ -27415,6 +27416,52 @@ static void test_dynamic_map_synchronization(void)
     ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
 
     IDirect3DVertexBuffer9_Release(buffer);
+
+    /* Castlevania: Lords of Shadow 2 locks a vertex and index buffer and keeps
+     * both mapped for all of the draws in a frame. Test this by doing the same
+     * draws, but with the buffer mapped the whole time. */
+
+    hr = IDirect3DDevice9_CreateVertexBuffer(device, 200 * 4 * sizeof(struct dynamic_vb_vertex),
+            D3DUSAGE_DYNAMIC | D3DUSAGE_WRITEONLY, D3DFVF_XYZ, D3DPOOL_DEFAULT, &buffer, NULL);
+    ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+    hr = IDirect3DDevice9_SetStreamSource(device, 0, buffer, 0, sizeof(struct dynamic_vb_vertex));
+    ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+
+    hr = IDirect3DDevice9_Clear(device, 0, NULL, D3DCLEAR_TARGET, 0xffff0000, 0.0f, 0);
+    ok(hr == D3D_OK, "Failed to clear, hr %#lx.\n", hr);
+
+    hr = IDirect3DDevice9_BeginScene(device);
+    ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+
+    for (y = 0; y < 200; ++y)
+    {
+        hr = IDirect3DVertexBuffer9_Lock(buffer, 0, 0, &data, D3DLOCK_DISCARD);
+        ok(hr == D3D_OK, "Failed to map buffer, hr %#lx.\n", hr);
+
+        fill_dynamic_vb_quad(data, 0, y);
+        hr = IDirect3DDevice9_DrawPrimitive(device, D3DPT_TRIANGLESTRIP, 0, 2);
+        ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+
+        for (x = 1; x < 200; ++x)
+        {
+            fill_dynamic_vb_quad((struct dynamic_vb_vertex *)data + 4 * x, x, y);
+            hr = IDirect3DDevice9_DrawPrimitive(device, D3DPT_TRIANGLESTRIP, 4 * x, 2);
+            ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+        }
+
+        hr = IDirect3DVertexBuffer9_Unlock(buffer);
+        ok(hr == D3D_OK, "Failed to map buffer, hr %#lx.\n", hr);
+    }
+
+    hr = IDirect3DDevice9_EndScene(device);
+    ok(hr == D3D_OK, "Got unexpected hr %#lx.\n", hr);
+
+    hr = IDirect3DDevice9_GetRenderTarget(device, 0, &rt);
+    ok(hr == S_OK, "Failed to get render target, hr %#lx.\n", hr);
+    check_rt_color_todo(rt, 0x0000ff00);
+    IDirect3DSurface9_Release(rt);
+
+    IDirect3DVertexBuffer9_Release(buffer);
     refcount = IDirect3DDevice9_Release(device);
     ok(!refcount, "Device has %lu references left.\n", refcount);
     IDirect3D9_Release(d3d);