#include "compiler.h"
#include "glheader.h"
-
+#include "errors.h"
#ifdef __cplusplus
extern "C" {
/** Free memory */
#define FREE(PTR) free(PTR)
-/** Allocate \p BYTES aligned at \p N bytes */
-#define ALIGN_MALLOC(BYTES, N) _mesa_align_malloc(BYTES, N)
-/** Allocate and zero \p BYTES bytes aligned at \p N bytes */
-#define ALIGN_CALLOC(BYTES, N) _mesa_align_calloc(BYTES, N)
-/** Allocate a structure of type \p T aligned at \p N bytes */
-#define ALIGN_MALLOC_STRUCT(T, N) (struct T *) _mesa_align_malloc(sizeof(struct T), N)
-/** Allocate and zero a structure of type \p T aligned at \p N bytes */
-#define ALIGN_CALLOC_STRUCT(T, N) (struct T *) _mesa_align_calloc(sizeof(struct T), N)
-/** Free aligned memory */
-#define ALIGN_FREE(PTR) _mesa_align_free(PTR)
-
/*@}*/
/***
*** SQRTF: single-precision square root
***/
-#if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */
-# define SQRTF(X) _mesa_sqrtf(X)
-#else
-# define SQRTF(X) (float) sqrt((float) (X))
-#endif
+#define SQRTF(X) (float) sqrt((float) (X))
/***
*** INV_SQRTF: single-precision inverse square root
***/
-#if 0
-#define INV_SQRTF(X) _mesa_inv_sqrt(X)
+#define INV_SQRTF(X) (1.0F / SQRTF(X))
+
+
+/**
+ * \name Work-arounds for platforms that lack C99 math functions
+ */
+/*@{*/
+#if (!defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE < 600)) && !defined(_ISOC99_SOURCE) \
+ && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L)) \
+ && (!defined(_MSC_VER) || (_MSC_VER < 1400))
+#define acosf(f) ((float) acos(f))
+#define asinf(f) ((float) asin(f))
+#define atan2f(x,y) ((float) atan2(x,y))
+#define atanf(f) ((float) atan(f))
+#define ceilf(f) ((float) ceil(f))
+#define cosf(f) ((float) cos(f))
+#define coshf(f) ((float) cosh(f))
+#define expf(f) ((float) exp(f))
+#define exp2f(f) ((float) exp2(f))
+#define floorf(f) ((float) floor(f))
+#define logf(f) ((float) log(f))
+
+#ifdef ANDROID
+#define log2f(f) (logf(f) * (float) (1.0 / M_LN2))
#else
-#define INV_SQRTF(X) (1.0F / SQRTF(X)) /* this is faster on a P4 */
+#define log2f(f) ((float) log2(f))
#endif
+#define powf(x,y) ((float) pow(x,y))
+#define sinf(f) ((float) sin(f))
+#define sinhf(f) ((float) sinh(f))
+#define sqrtf(f) ((float) sqrt(f))
+#define tanf(f) ((float) tan(f))
+#define tanhf(f) ((float) tanh(f))
+#define acoshf(f) ((float) acosh(f))
+#define asinhf(f) ((float) asinh(f))
+#define atanhf(f) ((float) atanh(f))
+#endif
+
+#if defined(_MSC_VER)
+static inline float truncf(float x) { return x < 0.0f ? ceilf(x) : floorf(x); }
+static inline float exp2f(float x) { return powf(2.0f, x); }
+static inline float log2f(float x) { return logf(x) * 1.442695041f; }
+static inline float asinhf(float x) { return logf(x + sqrtf(x * x + 1.0f)); }
+static inline float acoshf(float x) { return logf(x + sqrtf(x * x - 1.0f)); }
+static inline float atanhf(float x) { return (logf(1.0f + x) - logf(1.0f - x)) / 2.0f; }
+static inline int isblank(int ch) { return ch == ' ' || ch == '\t'; }
+#define strtoll(p, e, b) _strtoi64(p, e, b)
+#endif
+/*@}*/
/***
*** LOG2: Log base 2 of float
/* This is pretty fast, but not accurate enough (only 2 fractional bits).
* Based on code from http://www.stereopsis.com/log2.html
*/
-static INLINE GLfloat LOG2(GLfloat x)
+static inline GLfloat LOG2(GLfloat x)
{
const GLfloat y = x * x * x * x;
const GLuint ix = *((GLuint *) &y);
/* Pretty fast, and accurate.
* Based on code from http://www.flipcode.com/totd/
*/
-static INLINE GLfloat LOG2(GLfloat val)
+static inline GLfloat LOG2(GLfloat val)
{
fi_type num;
GLint log_2;
*** IS_INF_OR_NAN: test if float is infinite or NaN
***/
#ifdef USE_IEEE
-static INLINE int IS_INF_OR_NAN( float x )
+static inline int IS_INF_OR_NAN( float x )
{
fi_type tmp;
tmp.f = x;
*** IS_NEGATIVE: test if float is negative
***/
#if defined(USE_IEEE)
-static INLINE int GET_FLOAT_BITS( float x )
+static inline int GET_FLOAT_BITS( float x )
{
fi_type fi;
fi.f = x;
#endif
-/***
- *** IROUND: return (as an integer) float rounded to nearest integer
- ***/
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) && \
- (!(defined(__BEOS__) || defined(__HAIKU__)) || \
- (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)))
-static INLINE int iround(float f)
+/**
+ * Convert float to int by rounding to nearest integer, away from zero.
+ */
+static inline int IROUND(float f)
+{
+ return (int) ((f >= 0.0F) ? (f + 0.5F) : (f - 0.5F));
+}
+
+
+/**
+ * Convert float to int64 by rounding to nearest integer.
+ */
+static inline GLint64 IROUND64(float f)
+{
+ return (GLint64) ((f >= 0.0F) ? (f + 0.5F) : (f - 0.5F));
+}
+
+
+/**
+ * Convert positive float to int by rounding to nearest integer.
+ */
+static inline int IROUND_POS(float f)
+{
+ assert(f >= 0.0F);
+ return (int) (f + 0.5F);
+}
+
+
+/**
+ * Convert float to int using a fast method. The rounding mode may vary.
+ * XXX We could use an x86-64/SSE2 version here.
+ */
+#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
+static inline int F_TO_I(float f)
{
int r;
__asm__ ("fistpl %0" : "=m" (r) : "t" (f) : "st");
return r;
}
-#define IROUND(x) iround(x)
#elif defined(USE_X86_ASM) && defined(_MSC_VER)
-static INLINE int iround(float f)
+static inline int F_TO_I(float f)
{
int r;
_asm {
}
return r;
}
-#define IROUND(x) iround(x)
#elif defined(__WATCOMC__) && defined(__386__)
-long iround(float f);
+long F_TO_I(float f);
#pragma aux iround = \
"push eax" \
"fistp dword ptr [esp]" \
parm [8087] \
value [eax] \
modify exact [eax];
-#define IROUND(x) iround(x)
#else
-#define IROUND(f) ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
-#endif
-
-#define IROUND64(f) ((GLint64) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
-
-/***
- *** IROUND_POS: return (as an integer) positive float rounded to nearest int
- ***/
-#ifdef DEBUG
-#define IROUND_POS(f) (assert((f) >= 0.0F), IROUND(f))
-#else
-#define IROUND_POS(f) (IROUND(f))
+#define F_TO_I(f) IROUND(f)
#endif
* but uses some IEEE specific tricks for better speed.
* Contributed by Josh Vanderhoof
*/
-static INLINE int ifloor(float f)
+static inline int ifloor(float f)
{
int ai, bi;
double af, bf;
}
#define IFLOOR(x) ifloor(x)
#elif defined(USE_IEEE)
-static INLINE int ifloor(float f)
+static inline int ifloor(float f)
{
int ai, bi;
double af, bf;
}
#define IFLOOR(x) ifloor(x)
#else
-static INLINE int ifloor(float f)
+static inline int ifloor(float f)
{
int i = IROUND(f);
return (i > f) ? i - 1 : i;
* but uses some IEEE specific tricks for better speed.
* Contributed by Josh Vanderhoof
*/
-static INLINE int iceil(float f)
+static inline int iceil(float f)
{
int ai, bi;
double af, bf;
}
#define ICEIL(x) iceil(x)
#elif defined(USE_IEEE)
-static INLINE int iceil(float f)
+static inline int iceil(float f)
{
int ai, bi;
double af, bf;
}
#define ICEIL(x) iceil(x)
#else
-static INLINE int iceil(float f)
+static inline int iceil(float f)
{
int i = IROUND(f);
return (i < f) ? i + 1 : i;
/**
* Is x a power of two?
*/
-static INLINE int
+static inline int
_mesa_is_pow_two(int x)
{
return !(x & (x - 1));
* results would be different depending on optimization
* level used for build.
*/
-static INLINE int32_t
+static inline int32_t
_mesa_next_pow_two_32(uint32_t x)
{
-#ifdef __GNUC__
+#if defined(__GNUC__) && \
+ ((__GNUC__ * 100 + __GNUC_MINOR__) >= 304) /* gcc 3.4 or later */
uint32_t y = (x != 1);
return (1 + y) << ((__builtin_clz(x - y) ^ 31) );
#else
#endif
}
-static INLINE int64_t
+static inline int64_t
_mesa_next_pow_two_64(uint64_t x)
{
-#ifdef __GNUC__
+#if defined(__GNUC__) && \
+ ((__GNUC__ * 100 + __GNUC_MINOR__) >= 304) /* gcc 3.4 or later */
uint64_t y = (x != 1);
if (sizeof(x) == sizeof(long))
return (1 + y) << ((__builtin_clzl(x - y) ^ 63));
}
-/***
- *** 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!
+/*
+ * Returns the floor form of binary logarithm for a 32-bit integer.
*/
-#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)
+static inline GLuint
+_mesa_logbase2(GLuint n)
+{
+#if defined(__GNUC__) && \
+ ((__GNUC__ * 100 + __GNUC_MINOR__) >= 304) /* gcc 3.4 or later */
+ return (31 - __builtin_clz(n | 1));
#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))
+ GLuint pos = 0;
+ if (n >= 1<<16) { n >>= 16; pos += 16; }
+ if (n >= 1<< 8) { n >>= 8; pos += 8; }
+ if (n >= 1<< 4) { n >>= 4; pos += 4; }
+ if (n >= 1<< 2) { n >>= 2; pos += 2; }
+ if (n >= 1<< 1) { pos += 1; }
+ return pos;
#endif
+}
/**
* Return 1 if this is a little endian machine, 0 if big endian.
*/
-static INLINE GLboolean
+static inline GLboolean
_mesa_little_endian(void)
{
const GLuint ui = 1; /* intentionally not static */
extern void *
_mesa_realloc( void *oldBuffer, size_t oldSize, size_t newSize );
-extern void
-_mesa_memset16( unsigned short *dst, unsigned short val, size_t n );
-
-extern double
-_mesa_sin(double a);
-
-extern float
-_mesa_sinf(float a);
-
-extern double
-_mesa_cos(double a);
-
-extern float
-_mesa_asinf(float x);
-
-extern float
-_mesa_atanf(float x);
-extern double
-_mesa_sqrtd(double x);
-
-extern float
-_mesa_sqrtf(float x);
+#ifndef FFS_DEFINED
+#define FFS_DEFINED 1
+#ifdef __GNUC__
-extern float
-_mesa_inv_sqrtf(float x);
+#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(ANDROID) || defined(__APPLE__)
+#define ffs __builtin_ffs
+#define ffsll __builtin_ffsll
+#endif
-extern void
-_mesa_init_sqrt_table(void);
+#else
-extern double
-_mesa_pow(double x, double y);
+extern int ffs(int i);
+extern int ffsll(long long int i);
-extern int
-_mesa_ffs(int32_t i);
+#endif /*__ GNUC__ */
+#endif /* FFS_DEFINED */
-extern int
-_mesa_ffsll(int64_t i);
+#if defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 304) /* gcc 3.4 or later */
+#define _mesa_bitcount(i) __builtin_popcount(i)
+#define _mesa_bitcount_64(i) __builtin_popcountll(i)
+#else
extern unsigned int
_mesa_bitcount(unsigned int n);
+extern unsigned int
+_mesa_bitcount_64(uint64_t n);
+#endif
+
extern GLhalfARB
_mesa_float_to_half(float f);
extern char *
_mesa_strdup( const char *s );
-extern double
-_mesa_strtod( const char *s, char **end );
+extern float
+_mesa_strtof( const char *s, char **end );
extern unsigned int
_mesa_str_checksum(const char *str);
-extern void
-_mesa_warning( __GLcontext *gc, const char *fmtString, ... );
+extern int
+_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) PRINTFLIKE(3, 4);
-extern void
-_mesa_problem( const __GLcontext *ctx, const char *fmtString, ... );
+extern int
+_mesa_vsnprintf(char *str, size_t size, const char *fmt, va_list arg);
-extern void
-_mesa_error( __GLcontext *ctx, GLenum error, const char *fmtString, ... );
-extern void
-_mesa_debug( const __GLcontext *ctx, const char *fmtString, ... );
+#if defined(_MSC_VER) && !defined(snprintf)
+#define snprintf _snprintf
+#endif
+
#ifdef __cplusplus
}
projects / mesa.git / blobdiff