diff options
| author | Matt Turner <[email protected]> | 2016-05-26 15:53:30 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2016-07-26 12:12:27 -0700 |
| commit | f5ac1d366e81ee9ad11f44ee64a5b556bc6f1989 (patch) | |
| tree | 7e3891a9b99e17637ae5c9effbc9f11bb99cc1c9 /src/mesa | |
| parent | a1e9b72102f21426b6c4e6b47ac1742eb79d904f (diff) | |
mesa: Avoid aliasing violation in FXT1.
Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/texcompress_fxt1.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c index ae339e11d39..c5646fbd7a3 100644 --- a/src/mesa/main/texcompress_fxt1.c +++ b/src/mesa/main/texcompress_fxt1.c @@ -177,8 +177,8 @@ _mesa_texstore_rgba_fxt1(TEXSTORE_PARAMS) #define LL_RMS_D 10 /* fault tolerance (maximum delta) */ #define LL_RMS_E 255 /* fault tolerance (maximum error) */ #define ALPHA_TS 2 /* alpha threshold: (255 - ALPHA_TS) deemed opaque */ -#define ISTBLACK(v) (*((GLuint *)(v)) == 0) - +static const GLuint zero = 0; +#define ISTBLACK(v) (memcmp(&(v), &zero, sizeof(zero)) == 0) /* * Define a 64-bit unsigned integer type and macros |