[PATCH vkd3d 5/7] vkd3d-shader: Implement vkd3d_write_mask_component_count() on top of vkd3d_popcount().

Józef Kucia joseph.kucia at gmail.com
Tue Oct 30 09:22:51 CDT 2018


From: Józef Kucia <jkucia at codeweavers.com>

Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
 libs/vkd3d-shader/vkd3d_shader_private.h | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index 1d79c91602b8..dd3650b2d828 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -866,16 +866,8 @@ static inline unsigned int vkd3d_write_mask_get_component_idx(DWORD write_mask)
 
 static inline unsigned int vkd3d_write_mask_component_count(DWORD write_mask)
 {
-    unsigned int i, count = 0;
-
     assert(write_mask);
-    for (i = 0; i < VKD3D_VEC4_SIZE; ++i)
-    {
-        if (write_mask & (VKD3DSP_WRITEMASK_0 << i))
-            ++count;
-    }
-
-    return count;
+    return vkd3d_popcount(write_mask & VKD3DSP_WRITEMASK_ALL);
 }
 
 static inline unsigned int vkd3d_write_mask_from_component_count(unsigned int component_count)
-- 
2.18.1




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