=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: wined3d: Use wined3d_bit_scan() in wined3d_enable_clip_distances().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: dea7b8890cc9c7c2f2cf74a3974921927bb27bd5
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=dea7b8890cc9c7c2f2cf74a3974921927bb27bd5

Author: Józef Kucia <jkucia at codeweavers.com>
Date:   Tue Feb  6 11:40:03 2018 +0100

wined3d: Use wined3d_bit_scan() in wined3d_enable_clip_distances().

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

---

 dlls/wined3d/context.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index 2e12d75..81a0f4f 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -2368,16 +2368,16 @@ void context_enable_clip_distances(struct wined3d_context *context, unsigned int
     context->clip_distance_mask = enable_mask;
 
     enable_mask &= ~current_mask;
-    for (i = 0; enable_mask; enable_mask >>= 1, ++i)
+    while (enable_mask)
     {
-        if (enable_mask & 1)
-            gl_info->gl_ops.gl.p_glEnable(GL_CLIP_DISTANCE0 + i);
+        i = wined3d_bit_scan(&enable_mask);
+        gl_info->gl_ops.gl.p_glEnable(GL_CLIP_DISTANCE0 + i);
     }
     disable_mask &= current_mask;
-    for (i = 0; disable_mask; disable_mask >>= 1, ++i)
+    while (disable_mask)
     {
-        if (disable_mask & 1)
-            gl_info->gl_ops.gl.p_glDisable(GL_CLIP_DISTANCE0 + i);
+        i = wined3d_bit_scan(&disable_mask);
+        gl_info->gl_ops.gl.p_glDisable(GL_CLIP_DISTANCE0 + i);
     }
     checkGLcall("toggle clip distances");
 }