[PATCH v2 3/3] d3d9: Use wined3d_bit_scan() instead of open-coding it.

[Józef Kucia]

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
 dlls/d3d9/device.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 067ea2bdc2d2..ed1fedf91db3 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -2732,8 +2732,7 @@ static void d3d9_device_upload_sysmem_vertex_buffers(struct d3d9_device *device,
     map = device->sysmem_vb;
     while (map)
     {
-        i = ffs(map) - 1;
-        map ^= 1u << i;
+        i = wined3d_bit_scan(&map);
 
         if (FAILED(hr = wined3d_device_get_stream_source(device->wined3d_device, i, &dst_buffer, &offset, &stride)))
             ERR("Failed to get stream source.\n");
@@ -3111,8 +3110,7 @@ static HRESULT WINAPI d3d9_device_ProcessVertices(IDirect3DDevice9Ex *iface,
     map = device->sysmem_vb;
     while (map)
     {
-        i = ffs(map) - 1;
-        map ^= 1u << i;
+        i = wined3d_bit_scan(&map);
 
         if (FAILED(wined3d_device_get_stream_source(device->wined3d_device,
                 i, &wined3d_buffer, &offset, &stride)))
@@ -3130,8 +3128,7 @@ static HRESULT WINAPI d3d9_device_ProcessVertices(IDirect3DDevice9Ex *iface,
     map = device->sysmem_vb;
     while (map)
     {
-        i = ffs(map) - 1;
-        map ^= 1u << i;
+        i = wined3d_bit_scan(&map);
 
         if (FAILED(wined3d_device_get_stream_source(device->wined3d_device,
                 i, &wined3d_buffer, &offset, &stride)))
-- 
2.19.2