[PATCH 3/4] d3d11: Support NULL RenderTargetView pointer in ClearRenderTargetView

[Alistair Leslie-Hughes]

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
---
 dlls/d3d11/device.c      | 3 +++
 dlls/d3d11/tests/d3d11.c | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/dlls/d3d11/device.c b/dlls/d3d11/device.c
index 7ea4ee5..20135b3 100644
--- a/dlls/d3d11/device.c
+++ b/dlls/d3d11/device.c
@@ -967,6 +967,9 @@ static void STDMETHODCALLTYPE d3d11_immediate_context_ClearRenderTargetView(ID3D
     TRACE("iface %p, render_target_view %p, color_rgba %s.\n",
             iface, render_target_view, debug_float4(color_rgba));
 
+    if (!view)
+        return;
+
     wined3d_mutex_lock();
     if (FAILED(hr = wined3d_device_clear_rendertarget_view(device->wined3d_device, view->wined3d_view, NULL,
             WINED3DCLEAR_TARGET, &color, 0.0f, 0)))
diff --git a/dlls/d3d11/tests/d3d11.c b/dlls/d3d11/tests/d3d11.c
index a844c11..6ae59ab 100644
--- a/dlls/d3d11/tests/d3d11.c
+++ b/dlls/d3d11/tests/d3d11.c
@@ -4831,6 +4831,7 @@ static void test_update_subresource(void)
         0x00107e46, 0x00000000, 0x00106000, 0x00000000, 0x0100003e,
     };
     static const float red[] = {1.0f, 0.0f, 0.0f, 0.5f};
+    static const float green[] = {0.0f, 1.0f, 0.0f, 0.5f};
     static const DWORD bitmap_data[] =
     {
         0xff0000ff, 0xff00ffff, 0xff00ff00, 0xffffff00,
@@ -4897,6 +4898,9 @@ static void test_update_subresource(void)
     ID3D11DeviceContext_ClearRenderTargetView(context, test_context.backbuffer_rtv, red);
     check_texture_color(test_context.backbuffer, 0x7f0000ff, 1);
 
+    ID3D11DeviceContext_ClearRenderTargetView(context, NULL, green);
+    check_texture_color(test_context.backbuffer, 0x7f0000ff, 1);
+
     draw_quad(&test_context);
     check_texture_color(test_context.backbuffer, 0x00000000, 0);
 
-- 
1.9.1