#include "util/macros.h"
#include "util/u_math.h"
+#include "util/rounding.h"
#include "imports.h"
#define INT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 15)))
#define UINT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 16)))
#define UNCLAMPED_FLOAT_TO_USHORT(us, f) \
- us = ( (GLushort) F_TO_I( CLAMP((f), 0.0F, 1.0F) * 65535.0F) )
+ us = ( (GLushort) _mesa_lroundevenf( CLAMP((f), 0.0F, 1.0F) * 65535.0F) )
#define CLAMPED_FLOAT_TO_USHORT(us, f) \
- us = ( (GLushort) F_TO_I( (f) * 65535.0F) )
+ us = ( (GLushort) _mesa_lroundevenf( (f) * 65535.0F) )
#define UNCLAMPED_FLOAT_TO_SHORT(s, f) \
- s = ( (GLshort) F_TO_I( CLAMP((f), -1.0F, 1.0F) * 32767.0F) )
+ s = ( (GLshort) _mesa_lroundevenf( CLAMP((f), -1.0F, 1.0F) * 32767.0F) )
/***
*** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255]
} while (0)
#else
#define UNCLAMPED_FLOAT_TO_UBYTE(ub, f) \
- ub = ((GLubyte) F_TO_I(CLAMP((f), 0.0F, 1.0F) * 255.0F))
+ ub = ((GLubyte) _mesa_lroundevenf(CLAMP((f), 0.0F, 1.0F) * 255.0F))
#define CLAMPED_FLOAT_TO_UBYTE(ub, f) \
- ub = ((GLubyte) F_TO_I((f) * 255.0F))
+ ub = ((GLubyte) _mesa_lroundevenf((f) * 255.0F))
#endif
static fi_type UINT_AS_UNION(GLuint u)
-/** Clamp X to [MIN,MAX] */
-#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) )
-
-/** Minimum of two values: */
-#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) )
-
-/** Maximum of two values: */
-#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) )
-
-/** Minimum and maximum of three values: */
-#define MIN3( A, B, C ) ((A) < (B) ? MIN2(A, C) : MIN2(B, C))
-#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C))
-
static inline unsigned
minify(unsigned value, unsigned levels)
{
*
* \sa ROUND_DOWN_TO()
*/
-#define ALIGN(value, alignment) (((value) + (alignment) - 1) & ~((alignment) - 1))
+static inline uintptr_t
+ALIGN(uintptr_t value, int32_t alignment)
+{
+ assert((alignment > 0) && _mesa_is_pow_two(alignment));
+ return (((value) + (alignment) - 1) & ~((alignment) - 1));
+}
+
+/**
+ * Like ALIGN(), but works with a non-power-of-two alignment.
+ */
+static inline uintptr_t
+ALIGN_NPOT(uintptr_t value, int32_t alignment)
+{
+ assert(alignment > 0);
+ return (value + alignment - 1) / alignment * alignment;
+}
/**
* Align a value down to an alignment value
*
* \sa ALIGN()
*/
-#define ROUND_DOWN_TO(value, alignment) ((value) & ~(alignment - 1))
+static inline uintptr_t
+ROUND_DOWN_TO(uintptr_t value, int32_t alignment)
+{
+ assert((alignment > 0) && _mesa_is_pow_two(alignment));
+ return ((value) & ~(alignment - 1));
+}
/** Cross product of two 3-element vectors */