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-rw-r--r--src/mesa/main/imports.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
index ed809acbe2a..890d1a4e32e 100644
--- a/src/mesa/main/imports.c
+++ b/src/mesa/main/imports.c
@@ -576,6 +576,35 @@ _mesa_ffs(int i)
/**
+ * Find position of first bit set in given value.
+ * XXX Warning: this function can only be used on 64-bit systems!
+ * \return position of least-significant bit set, starting at 1, return zero
+ * if no bits set.
+ */
+int
+_mesa_ffsll(long long val)
+{
+#ifdef ffsll
+ return ffsll(val);
+#else
+ int bit;
+
+ assert(sizeof(val) == 8);
+
+ bit = ffs(val);
+ if (bit != 0)
+ return bit;
+
+ bit = ffs(val >> 32);
+ if (bit != 0)
+ return 32 + bit;
+
+ return 0;
+#endif
+}
+
+
+/**
* Return number of bits set in given GLuint.
*/
unsigned int
@@ -1176,16 +1205,6 @@ default_fprintf(__GLcontext *gc, void *stream, const char *fmt, ...)
return r;
}
-/**
- * \todo this really is driver-specific and can't be here
- */
-static __GLdrawablePrivate *
-default_GetDrawablePrivate(__GLcontext *gc)
-{
- (void) gc;
- return NULL;
-}
-
/*@}*/
@@ -1222,6 +1241,7 @@ _mesa_init_default_imports(__GLimports *imports, void *driverCtx)
imports->fopen = default_fopen;
imports->fclose = default_fclose;
imports->fprintf = default_fprintf;
- imports->getDrawablePrivate = default_GetDrawablePrivate;
+ imports->getDrawablePrivate = NULL; /* driver-specific */
+ imports->getReadablePrivate = NULL; /* driver-specific */
imports->other = driverCtx;
}