Changeset 48078 in vbox for trunk/src/VBox/Additions

Timestamp:

Aug 27, 2013 10:29:35 AM (11 years ago)

Author:

vboxsync

Message:

wined3d: better copysignf

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Wine_new/wined3d/glsl_shader.c (modified) (2 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Wine_new/wined3d/glsl_shader.c

@@ -38 +38 @@
 #include "wined3d_private.h"
 
-#if defined(VBOX) && defined(RT_ARCH_AMD64)
-# define copysignf _copysignf
+#if defined(VBOX)
+# if defined(RT_ARCH_AMD64)
+#  define copysignf _copysignf
+# else
+#  define _VBOX_FLOAT_BITVAL(_f) (*((const uint32_t*)((const void*)(&(_f)))))
+DECLINLINE(float) copysignf(float val, float sign)
+{
+    return ((_VBOX_FLOAT_BITVAL(val) & 0x7fffffff) | (_VBOX_FLOAT_BITVAL(sign) & 0x80000000));
+}
+# endif
 #endif
 
@@ -260 +268 @@
 
     d = value;
-#if defined(VBOX) && !defined(RT_ARCH_AMD64)
-    if (value < 0.0f)
-#else
     if (copysignf(1.0f, value) < 0.0f)
-#endif
     {
         d = -d;