The other similar integer/float conversion macros are in macros.h.
#include "main/context.h"
#include "main/enums.h"
#include "main/colormac.h"
+#include "main/macros.h"
#include "swrast/swrast.h"
#include "vbo/vbo.h"
#include "tnl/tnl.h"
#include "main/texobj.h"
#include "main/imports.h"
#include "main/texobj.h"
+#include "main/macros.h"
#include "xmlpool.h"
#include "sis_lock.h"
#include "main/context.h"
+#include "main/macros.h"
#include "swrast/swrast.h"
#include "vbo/vbo.h"
#include "tnl/tnl.h"
}
-/***
- *** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255]
- *** CLAMPED_FLOAT_TO_UBYTE: map float known to be in [0,1] to ubyte in [0,255]
- ***/
-#if defined(USE_IEEE) && !defined(DEBUG)
-#define IEEE_0996 0x3f7f0000 /* 0.996 or so */
-/* This function/macro is sensitive to precision. Test very carefully
- * if you change it!
- */
-#define UNCLAMPED_FLOAT_TO_UBYTE(UB, F) \
- do { \
- fi_type __tmp; \
- __tmp.f = (F); \
- if (__tmp.i < 0) \
- UB = (GLubyte) 0; \
- else if (__tmp.i >= IEEE_0996) \
- UB = (GLubyte) 255; \
- else { \
- __tmp.f = __tmp.f * (255.0F/256.0F) + 32768.0F; \
- UB = (GLubyte) __tmp.i; \
- } \
- } while (0)
-#define CLAMPED_FLOAT_TO_UBYTE(UB, F) \
- do { \
- fi_type __tmp; \
- __tmp.f = (F) * (255.0F/256.0F) + 32768.0F; \
- UB = (GLubyte) __tmp.i; \
- } while (0)
-#else
-#define UNCLAMPED_FLOAT_TO_UBYTE(ub, f) \
- ub = ((GLubyte) IROUND(CLAMP((f), 0.0F, 1.0F) * 255.0F))
-#define CLAMPED_FLOAT_TO_UBYTE(ub, f) \
- ub = ((GLubyte) IROUND((f) * 255.0F))
-#endif
-
-
/**
* Return 1 if this is a little endian machine, 0 if big endian.
*/
#define UNCLAMPED_FLOAT_TO_SHORT(s, f) \
s = ( (GLshort) IROUND( CLAMP((f), -1.0F, 1.0F) * 32767.0F) )
+/***
+ *** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255]
+ *** CLAMPED_FLOAT_TO_UBYTE: map float known to be in [0,1] to ubyte in [0,255]
+ ***/
+#if defined(USE_IEEE) && !defined(DEBUG)
+#define IEEE_0996 0x3f7f0000 /* 0.996 or so */
+/* This function/macro is sensitive to precision. Test very carefully
+ * if you change it!
+ */
+#define UNCLAMPED_FLOAT_TO_UBYTE(UB, F) \
+ do { \
+ fi_type __tmp; \
+ __tmp.f = (F); \
+ if (__tmp.i < 0) \
+ UB = (GLubyte) 0; \
+ else if (__tmp.i >= IEEE_0996) \
+ UB = (GLubyte) 255; \
+ else { \
+ __tmp.f = __tmp.f * (255.0F/256.0F) + 32768.0F; \
+ UB = (GLubyte) __tmp.i; \
+ } \
+ } while (0)
+#define CLAMPED_FLOAT_TO_UBYTE(UB, F) \
+ do { \
+ fi_type __tmp; \
+ __tmp.f = (F) * (255.0F/256.0F) + 32768.0F; \
+ UB = (GLubyte) __tmp.i; \
+ } while (0)
+#else
+#define UNCLAMPED_FLOAT_TO_UBYTE(ub, f) \
+ ub = ((GLubyte) IROUND(CLAMP((f), 0.0F, 1.0F) * 255.0F))
+#define CLAMPED_FLOAT_TO_UBYTE(ub, f) \
+ ub = ((GLubyte) IROUND((f) * 255.0F))
+#endif
+
/*@}*/