Józef Kucia : d3d11: Implement d3d11_immediate_context_IAGetIndexBuffer().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9a686f666a8fba523085bdbcb587b1c94a58d3c5
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9a686f666a8fba523085bdbcb5...

Author: Józef Kucia <jkucia(a)codeweavers.com>
Date:   Fri Jun 24 11:45:57 2016 +0200

d3d11: Implement d3d11_immediate_context_IAGetIndexBuffer().

Signed-off-by: Józef Kucia <jkucia(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/d3d11/device.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/dlls/d3d11/device.c b/dlls/d3d11/device.c
index 0fc8eb5..13d079e 100644
--- a/dlls/d3d11/device.c
+++ b/dlls/d3d11/device.c
@@ -1344,7 +1344,26 @@ static void STDMETHODCALLTYPE d3d11_immediate_context_IAGetVertexBuffers(ID3D11D
 static void STDMETHODCALLTYPE d3d11_immediate_context_IAGetIndexBuffer(ID3D11DeviceContext *iface,
         ID3D11Buffer **buffer, DXGI_FORMAT *format, UINT *offset)
 {
-    FIXME("iface %p, buffer %p, format %p, offset %p stub!\n", iface, buffer, format, offset);
+    struct d3d_device *device = device_from_immediate_ID3D11DeviceContext(iface);
+    enum wined3d_format_id wined3d_format;
+    struct wined3d_buffer *wined3d_buffer;
+    struct d3d_buffer *buffer_impl;
+
+    TRACE("iface %p, buffer %p, format %p, offset %p.\n", iface, buffer, format, offset);
+
+    wined3d_mutex_lock();
+    wined3d_buffer = wined3d_device_get_index_buffer(device->wined3d_device, &wined3d_format, offset);
+    *format = dxgi_format_from_wined3dformat(wined3d_format);
+    if (!wined3d_buffer)
+    {
+        wined3d_mutex_unlock();
+        *buffer = NULL;
+        return;
+    }
+
+    buffer_impl = wined3d_buffer_get_parent(wined3d_buffer);
+    wined3d_mutex_unlock();
+    ID3D11Buffer_AddRef(*buffer = &buffer_impl->ID3D11Buffer_iface);
 }
 
 static void STDMETHODCALLTYPE d3d11_immediate_context_GSGetConstantBuffers(ID3D11DeviceContext *iface,