/*
* Mesa 3-D graphics library
- * Version: 6.2
+ * Version: 7.5
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#define IMPORTS_H
-/* XXX some of the stuff in glheader.h should be moved into this file.
- */
+#include "compiler.h"
#include "glheader.h"
-#include <GL/internal/glcore.h>
#ifdef __cplusplus
#endif
-/**********************************************************************/
-/** \name General macros */
-/*@{*/
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-/*@}*/
-
-
/**********************************************************************/
/** Memory macros */
/*@{*/
#define MAX_GLUSHORT 0xffff
#define MAX_GLUINT 0xffffffff
-#ifndef M_PI
-#define M_PI (3.1415926536)
-#endif
-
-#ifndef M_E
-#define M_E (2.7182818284590452354)
-#endif
-
-
-/* XXX this is a bit of a hack needed for compilation within XFree86 */
-#ifndef FLT_MIN
-#define FLT_MIN (1.0e-37)
-#endif
-
/* Degrees to radians conversion: */
#define DEG2RAD (M_PI/180.0)
-/***
- *** USE_IEEE: Determine if we're using IEEE floating point
- ***/
-#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
- defined(__s390x__) || defined(__powerpc__) || \
- defined(__amd64__) || \
- defined(ia64) || defined(__ia64__) || \
- defined(__hppa__) || defined(hpux) || \
- defined(__mips) || defined(_MIPS_ARCH) || \
- defined(__arm__) || \
- (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS)))
-#define USE_IEEE
-#define IEEE_ONE 0x3f800000
-#endif
-
-
/***
*** SQRTF: single-precision square root
***/
#if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */
# define SQRTF(X) _mesa_sqrtf(X)
-#elif defined(XFree86LOADER) && defined(IN_MODULE)
-# define SQRTF(X) (float) xf86sqrt((float) (X))
#else
# define SQRTF(X) (float) sqrt((float) (X))
#endif
num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3;
return num.f + log_2;
}
-#elif defined(XFree86LOADER) && defined(IN_MODULE)
-#define LOG2(x) ((GLfloat) (xf86log(x) * 1.442695))
#else
/*
* NOTE: log_base_2(x) = log(x) / log(2)
*** LDEXPF: multiply value by an integral power of two
*** FREXPF: extract mantissa and exponent from value
***/
-#if defined(XFree86LOADER) && defined(IN_MODULE)
-#define CEILF(x) ((GLfloat) xf86ceil(x))
-#define FLOORF(x) ((GLfloat) xf86floor(x))
-#define FABSF(x) ((GLfloat) xf86fabs(x))
-#define LOGF(x) ((GLfloat) xf86log(x))
-#define EXPF(x) ((GLfloat) xf86exp(x))
-#define LDEXPF(x,y) ((GLfloat) xf86ldexp(x,y))
-#define FREXPF(x,y) ((GLfloat) xf86frexp(x,y))
-#elif defined(__gnu_linux__)
+#if defined(__gnu_linux__)
/* C99 functions */
#define CEILF(x) ceilf(x)
#define FLOORF(x) floorf(x)
/***
*** IROUND: return (as an integer) float rounded to nearest integer
***/
-#if defined(USE_SPARC_ASM) && defined(__GNUC__) && defined(__sparc__)
-static INLINE int iround(float f)
-{
- int r;
- __asm__ ("fstoi %1, %0" : "=f" (r) : "f" (f));
- return r;
-}
-#define IROUND(x) iround(x)
-#elif defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) && \
- (!defined(__BEOS__) || (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)))
+#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)
{
int r;
return r;
}
#define IROUND(x) iround(x)
-#elif defined(USE_X86_ASM) && defined(__MSC__) && defined(__WIN32__)
+#elif defined(USE_X86_ASM) && defined(_MSC_VER)
static INLINE int iround(float f)
{
int r;
#endif
+/**
+ * Is x a power of two?
+ */
+static INLINE int
+_mesa_is_pow_two(int x)
+{
+ return !(x & (x - 1));
+}
+
+
/***
*** 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]
#endif
-/***
- *** COPY_FLOAT: copy a float from src to dest.
- ***/
-#define COPY_FLOAT( dst, src ) (dst) = (src)
-
-
-/***
- *** START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save
- *** original mode to a temporary).
- *** END_FAST_MATH: Restore x86 FPU to original mode.
- ***/
-#if defined(__GNUC__) && defined(__i386__)
-/*
- * Set the x86 FPU control word to guarentee only 32 bits of precision
- * are stored in registers. Allowing the FPU to store more introduces
- * differences between situations where numbers are pulled out of memory
- * vs. situations where the compiler is able to optimize register usage.
- *
- * In the worst case, we force the compiler to use a memory access to
- * truncate the float, by specifying the 'volatile' keyword.
- */
-/* Hardware default: All exceptions masked, extended double precision,
- * round to nearest (IEEE compliant):
- */
-#define DEFAULT_X86_FPU 0x037f
-/* All exceptions masked, single precision, round to nearest:
- */
-#define FAST_X86_FPU 0x003f
-/* The fldcw instruction will cause any pending FP exceptions to be
- * raised prior to entering the block, and we clear any pending
- * exceptions before exiting the block. Hence, asm code has free
- * reign over the FPU while in the fast math block.
- */
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) \
-do { \
- static GLuint mask = DEFAULT_X86_FPU; \
- __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \
- __asm__ ( "fldcw %0" : : "m" (mask) ); \
-} while (0)
-#else
-#define START_FAST_MATH(x) \
-do { \
- static GLuint mask = FAST_X86_FPU; \
- __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \
- __asm__ ( "fldcw %0" : : "m" (mask) ); \
-} while (0)
-#endif
-/* Restore original FPU mode, and clear any exceptions that may have
- * occurred in the FAST_MATH block.
+/**
+ * Return 1 if this is a little endian machine, 0 if big endian.
*/
-#define END_FAST_MATH(x) \
-do { \
- __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) ); \
-} while (0)
-
-#elif defined(__WATCOMC__) && defined(__386__)
-#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */
-#define FAST_X86_FPU 0x003f /* See GCC comments above */
-void _watcom_start_fast_math(unsigned short *x,unsigned short *mask);
-#pragma aux _watcom_start_fast_math = \
- "fnstcw word ptr [eax]" \
- "fldcw word ptr [ecx]" \
- parm [eax] [ecx] \
- modify exact [];
-void _watcom_end_fast_math(unsigned short *x);
-#pragma aux _watcom_end_fast_math = \
- "fnclex" \
- "fldcw word ptr [eax]" \
- parm [eax] \
- modify exact [];
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) \
-do { \
- static GLushort mask = DEFAULT_X86_FPU; \
- _watcom_start_fast_math(&x,&mask); \
-} while (0)
-#else
-#define START_FAST_MATH(x) \
-do { \
- static GLushort mask = FAST_X86_FPU; \
- _watcom_start_fast_math(&x,&mask); \
-} while (0)
-#endif
-#define END_FAST_MATH(x) _watcom_end_fast_math(&x)
-#else
-#define START_FAST_MATH(x) x = 0
-#define END_FAST_MATH(x) (void)(x)
-#endif
+static INLINE GLboolean
+_mesa_little_endian(void)
+{
+ const GLuint ui = 1; /* intentionally not static */
+ return *((const GLubyte *) &ui);
+}
extern void
_mesa_align_free( void *ptr );
+extern void *
+_mesa_align_realloc(void *oldBuffer, size_t oldSize, size_t newSize,
+ unsigned long alignment);
+
+extern void *
+_mesa_exec_malloc( GLuint size );
+
+extern void
+_mesa_exec_free( void *addr );
+
extern void *
_mesa_realloc( void *oldBuffer, size_t oldSize, size_t newSize );
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_inv_sqrtf(float x);
+extern void
+_mesa_init_sqrt_table(void);
+
extern double
_mesa_pow(double x, double y);
-extern float
-_mesa_log2(float x);
+extern int
+_mesa_ffs(int32_t i);
extern int
-_mesa_ffs(int i);
+_mesa_ffsll(int64_t i);
extern unsigned int
_mesa_bitcount(unsigned int n);
extern int
_mesa_sprintf( char *str, const char *fmt, ... );
+extern int
+_mesa_snprintf( char *str, size_t size, const char *fmt, ... );
+
extern void
_mesa_printf( const char *fmtString, ... );
+extern void
+_mesa_fprintf( FILE *f, const char *fmtString, ... );
+
extern int
_mesa_vsprintf( char *str, const char *fmt, va_list args );
_mesa_exit( int status );
-extern void
-_mesa_init_default_imports( __GLimports *imports, void *driverCtx );
-
-
#ifdef __cplusplus
}
#endif
projects / mesa.git / blobdiff