Changeset 48500 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Wine_new/wined3d

Timestamp:

Sep 16, 2013 7:52:03 PM (11 years ago)

Author:

vboxsync

Message:

wined3d: copysingf fix

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Wine_new/wined3d/glsl_shader.c (modified) (1 diff)

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

@@ -51 +51 @@
 #  define copysignf _copysignf
 # else
-#  define _VBOX_FLOAT_BITVAL(_f) (*((const uint32_t*)((const void*)(&(_f)))))
+#  define _VBOX_BITVAL_CAST(_t, _f) (*((const _t*)((const void*)(&(_f)))))
+#  define _VBOX_BITVAL_TO_FLOATL(_f) _VBOX_BITVAL_CAST(float, _f)
+#  define _VBOX_BITVAL_FROM_FLOAT(_f) _VBOX_BITVAL_CAST(uint32_t, _f)
 DECLINLINE(float) copysignf(float val, float sign)
 {
-    return ((_VBOX_FLOAT_BITVAL(val) & 0x7fffffff) | (_VBOX_FLOAT_BITVAL(sign) & 0x80000000));
+    uint32_t u32Val = ((_VBOX_BITVAL_FROM_FLOAT(val) & 0x7fffffff) | (_VBOX_BITVAL_FROM_FLOAT(sign) & 0x80000000));
+    return _VBOX_BITVAL_TO_FLOATL(u32Val);
 }
 # endif