X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexcompress_fxt1.c;h=19df6baf371984d1fefef37f2d1d0704a75888c6;hb=a96e946d25d4518d1c73c5d9d0f3d147f42bc416;hp=ae339e11d3943735eb046ab6585a50921958bbd7;hpb=bd016a2601a741799bc76734deae0cb9ebcb2b8f;p=mesa.git

diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c
index ae339e11d39..19df6baf371 100644
--- a/src/mesa/main/texcompress_fxt1.c
+++ b/src/mesa/main/texcompress_fxt1.c
@@ -29,6 +29,7 @@
  */
 
 
+#include "errors.h"
 #include "glheader.h"
 #include "imports.h"
 #include "image.h"
@@ -37,6 +38,7 @@
 #include "texcompress.h"
 #include "texcompress_fxt1.h"
 #include "texstore.h"
+#include "mtypes.h"
 
 
 static void
@@ -177,8 +179,8 @@ _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