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Commit e8d2feba authored by Józef Kucia's avatar Józef Kucia Committed by Alexandre Julliard
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wined3d: Introduce wined3d_bit_scan().

Signed-off-by: 's avatarJózef Kucia <jkucia@codeweavers.com> Signed-off-by: 's avatarHenri Verbeet <hverbeet@codeweavers.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 7ccae68f
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dlls/wined3d/wined3d_private.h
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...@@ -4352,6 +4352,13 @@ static inline BOOL is_rasterization_disabled(const struct wined3d_shader *geomet ...@@ -4352,6 +4352,13 @@ static inline BOOL is_rasterization_disabled(const struct wined3d_shader *geomet
&& geometry_shader->u.gs.so_desc.rasterizer_stream_idx == WINED3D_NO_RASTERIZER_STREAM; && geometry_shader->u.gs.so_desc.rasterizer_stream_idx == WINED3D_NO_RASTERIZER_STREAM;
} }
static inline int wined3d_bit_scan(unsigned int *x)
{
int bit_offset = ffs(*x) - 1;
*x ^= 1u << bit_offset;
return bit_offset;
}
static inline DWORD wined3d_extract_bits(const DWORD *bitstream, static inline DWORD wined3d_extract_bits(const DWORD *bitstream,
unsigned int offset, unsigned int count) unsigned int offset, unsigned int count)
{ {
......
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