-/**
- * \file imports.h
- * Standard C library function wrappers.
- *
- * This file provides wrappers for all the standard C library functions
- * like malloc(), free(), printf(), getenv(), etc.
- */
-
/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 6.5
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 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"),
*/
+/**
+ * \file imports.h
+ * Standard C library function wrappers.
+ *
+ * This file provides wrappers for all the standard C library functions
+ * like malloc(), free(), printf(), getenv(), etc.
+ */
+
+
#ifndef IMPORTS_H
#define IMPORTS_H
/* XXX some of the stuff in glheader.h should be moved into this file.
*/
#include "glheader.h"
+#include <GL/internal/glcore.h>
#ifdef __cplusplus
/** Set \p N bytes in \p DST to \p VAL */
#define MEMSET( DST, VAL, N ) _mesa_memset(DST, VAL, N)
-#define MEMSET16( DST, VAL, N ) _mesa_memset16( (DST), (VAL), (size_t) (N) )
-
/*@}*/
* this macro.
* Both pointers/offsets are expressed in bytes.
*/
-#define ADD_POINTERS(A, B) ( (A) + (unsigned long) (B) )
-
-
-/**********************************************************************/
-/** \name [Pseudo] static array declaration.
- *
- * MACs and BeOS don't support static larger than 32kb, so ...
- */
-/*@{*/
-
-/**
- * \def DEFARRAY
- * Define a [static] unidimensional array
- */
-
-/**
- * \def DEFMARRAY
- * Define a [static] bi-dimensional array
- */
-
-/**
- * \def DEFMNARRAY
- * Define a [static] tri-dimensional array
- */
-
-/**
- * \def CHECKARRAY
- * Verifies a [static] array was properly allocated.
- */
-
-/**
- * \def UNDEFARRAY
- * Undefine (free) a [static] array.
- */
-
-#if defined(macintosh) && !defined(__MRC__)
-/*extern char *AGLAlloc(int size);*/
-/*extern void AGLFree(char* ptr);*/
-# define DEFARRAY(TYPE,NAME,SIZE) TYPE *NAME = (TYPE*)_mesa_alloc(sizeof(TYPE)*(SIZE))
-# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE (*NAME)[SIZE2] = (TYPE(*)[SIZE2])_mesa_alloc(sizeof(TYPE)*(SIZE1)*(SIZE2))
-# define DEFMNARRAY(TYPE,NAME,SIZE1,SIZE2,SIZE3) TYPE (*NAME)[SIZE2][SIZE3] = (TYPE(*)[SIZE2][SIZE3])_mesa_alloc(sizeof(TYPE)*(SIZE1)*(SIZE2)*(SIZE3))
-# define CHECKARRAY(NAME,CMD) do {if (!(NAME)) {CMD;}} while (0)
-# define UNDEFARRAY(NAME) do {if ((NAME)) {_mesa_free((char*)NAME);} }while (0)
-#elif defined(__BEOS__)
-# define DEFARRAY(TYPE,NAME,SIZE) TYPE *NAME = (TYPE*)_mesa_malloc(sizeof(TYPE)*(SIZE))
-# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE (*NAME)[SIZE2] = (TYPE(*)[SIZE2])_mesa_malloc(sizeof(TYPE)*(SIZE1)*(SIZE2))
-# define DEFMNARRAY(TYPE,NAME,SIZE1,SIZE2,SIZE3) TYPE (*NAME)[SIZE2][SIZE3] = (TYPE(*)[SIZE2][SIZE3])_mesa_malloc(sizeof(TYPE)*(SIZE1)*(SIZE2)*(SIZE3))
-# define CHECKARRAY(NAME,CMD) do {if (!(NAME)) {CMD;}} while (0)
-# define UNDEFARRAY(NAME) do {if ((NAME)) {_mesa_free((char*)NAME);} }while (0)
-#else
-# define DEFARRAY(TYPE,NAME,SIZE) TYPE NAME[SIZE]
-# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE NAME[SIZE1][SIZE2]
-# define DEFMNARRAY(TYPE,NAME,SIZE1,SIZE2,SIZE3) TYPE NAME[SIZE1][SIZE2][SIZE3]
-# define CHECKARRAY(NAME,CMD) do {} while(0)
-# define UNDEFARRAY(NAME)
-#endif
-
-/*@}*/
-
-
-/**********************************************************************/
-/** \name External pixel buffer allocation.
- *
- * If you want Mesa's depth/stencil/accum/etc buffers to be allocated with a
- * specialized allocator you can define MESA_EXTERNAL_BUFFERALLOC and implement
- * _ext_mesa_alloc_pixelbuffer() _ext_mesa_free_pixelbuffer() in your
- * application.
- *
- * \author
- * Contributed by Gerk Huisma (gerk@five-d.demon.nl).
- */
-/*@{*/
+#define ADD_POINTERS(A, B) ( (GLubyte *) (A) + (uintptr_t) (B) )
-/**
- * \def MESA_PBUFFER_ALLOC
- * Allocate a pixel buffer.
- */
/**
- * \def MESA_PBUFFER_FREE
- * Free a pixel buffer.
+ * Sometimes we treat GLfloats as GLints. On x86 systems, moving a float
+ * as a int (thereby using integer registers instead of FP registers) is
+ * a performance win. Typically, this can be done with ordinary casts.
+ * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0)
+ * these casts generate warnings.
+ * The following union typedef is used to solve that.
*/
-
-#ifdef MESA_EXTERNAL_BUFFERALLOC
-extern void *_ext_mesa_alloc_pixelbuffer( unsigned int size );
-extern void _ext_mesa_free_pixelbuffer( void *pb );
-
-#define MESA_PBUFFER_ALLOC(BYTES) (void *) _ext_mesa_alloc_pixelbuffer(BYTES)
-#define MESA_PBUFFER_FREE(PTR) _ext_mesa_free_pixelbuffer(PTR)
-#else
-/* Default buffer allocation uses the aligned allocation routines: */
-#define MESA_PBUFFER_ALLOC(BYTES) (void *) _mesa_align_malloc(BYTES, 512)
-#define MESA_PBUFFER_FREE(PTR) _mesa_align_free(PTR)
-#endif
-
-/*@}*/
+typedef union { GLfloat f; GLint i; } fi_type;
#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)
***/
#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
defined(__s390x__) || defined(__powerpc__) || \
- ( defined(__alpha__) && ( defined(__IEEE_FLOAT) || !defined(VMS) ) )
+ defined(__amd64__) || \
+ defined(ia64) || defined(__ia64__) || \
+ defined(__hppa__) || defined(hpux) || \
+ defined(__mips) || defined(_MIPS_ARCH) || \
+ defined(__arm__) || \
+ defined(__sh__) || \
+ (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS)))
#define USE_IEEE
#define IEEE_ONE 0x3f800000
#endif
#define IS_INF_OR_NAN(x) (!isfinite(x))
#elif defined(finite)
#define IS_INF_OR_NAN(x) (!finite(x))
-#elif __VMS
+#elif defined(__VMS)
#define IS_INF_OR_NAN(x) (!finite(x))
#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
#define IS_INF_OR_NAN(x) (!isfinite(x))
*** IS_NEGATIVE: test if float is negative
***/
#if defined(USE_IEEE)
-#define GET_FLOAT_BITS(x) ((fi_type *) &(x))->i
-#define IS_NEGATIVE(x) (GET_FLOAT_BITS(x) & (1<<31))
+static INLINE int GET_FLOAT_BITS( float x )
+{
+ fi_type fi;
+ fi.f = x;
+ return fi.i;
+}
+#define IS_NEGATIVE(x) (GET_FLOAT_BITS(x) < 0)
#else
#define IS_NEGATIVE(x) (x < 0.0F)
#endif
*** CEILF: ceiling of float
*** FLOORF: floor of float
*** FABSF: absolute value of float
+ *** LOGF: the natural logarithm (base e) of the value
+ *** EXPF: raise e to the value
+ *** 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__)
/* C99 functions */
#define CEILF(x) ceilf(x)
#define FLOORF(x) floorf(x)
#define FABSF(x) fabsf(x)
+#define LOGF(x) logf(x)
+#define EXPF(x) expf(x)
+#define LDEXPF(x,y) ldexpf(x,y)
+#define FREXPF(x,y) frexpf(x,y)
#else
#define CEILF(x) ((GLfloat) ceil(x))
#define FLOORF(x) ((GLfloat) floor(x))
#define FABSF(x) ((GLfloat) fabs(x))
+#define LOGF(x) ((GLfloat) log(x))
+#define EXPF(x) ((GLfloat) exp(x))
+#define LDEXPF(x,y) ((GLfloat) ldexp(x,y))
+#define FREXPF(x,y) ((GLfloat) frexp(x,y))
#endif
return r;
}
#define IROUND(x) iround(x)
-#elif defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
+#elif defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) && \
+ (!defined(__BEOS__) || (__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(__WATCOMC__)
+#elif defined(__WATCOMC__) && defined(__386__)
long iround(float f);
-#pragma aux iround = \
+#pragma aux iround = \
"push eax" \
"fistp dword ptr [esp]" \
"pop eax" \
value [eax] \
modify exact [eax];
#define IROUND(x) iround(x)
-#elif defined(__OS2__)
-#ifndef FIST_MAGIC
-#define FIST_MAGIC ((((65536.0 * 65536.0 * 16)+(65536.0 * 0.5))* 65536.0))
-#endif
-static INLINE int iround(float x)
-{
- double dtemp = FIST_MAGIC + x;
- return ((*(int *)&dtemp) - 0x80000000);
-}
-#define IROUND(f) iround((float)f)
#else
#define IROUND(f) ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F)))
#endif
/***
- *** UNCLAMPED_FLOAT_TO_UBYTE: map float from {0,1} to ubyte in [0,255]
- *** CLAMPED_FLOAT_TO_UBYTE: map float in [0,1] to ubyte in [0,255]
+ *** 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 */
do { \
fi_type __tmp; \
__tmp.f = (F); \
- UB = ((__tmp.i >= IEEE_0996) \
- ? ((GLint)__tmp.i < 0) ? (GLubyte)0 : (GLubyte)255 \
- : (__tmp.f = __tmp.f*(255.0F/256.0F) + 32768.0F, \
- (GLubyte)__tmp.i)); \
+ 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)
-#define CLAMPED_FLOAT_TO_UBYTE(ub, f) \
- UNCLAMPED_FLOAT_TO_UBYTE(ub, f)
#else
#define UNCLAMPED_FLOAT_TO_UBYTE(ub, f) \
ub = ((GLubyte) IROUND(CLAMP((f), 0.0F, 1.0F) * 255.0F))
#endif
-/***
- *** COPY_FLOAT: copy a float from src to dest, avoid slow FP regs if possible
- ***/
-#if defined(USE_IEEE) && !defined(DEBUG)
-#define COPY_FLOAT( dst, src ) \
- ((fi_type *) &(dst))->i = ((fi_type *) &(src))->i
-#else
-#define COPY_FLOAT( dst, src ) (dst) = (src)
-#endif
-
-
/***
*** START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save
*** original mode to a temporary).
extern void
_mesa_align_free( void *ptr );
+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 void
_mesa_bzero( void *dst, size_t n );
+extern int
+_mesa_memcmp( const void *s1, const void *s2, size_t n );
extern double
_mesa_sin(double a);
extern double
_mesa_pow(double x, double y);
-extern float
-_mesa_log2(float x);
+extern int
+_mesa_ffs(int i);
extern unsigned int
_mesa_bitcount(unsigned int n);
+extern GLhalfARB
+_mesa_float_to_half(float f);
+
+extern float
+_mesa_half_to_float(GLhalfARB h);
+
+
+extern void *
+_mesa_bsearch( const void *key, const void *base, size_t nmemb, size_t size,
+ int (*compar)(const void *, const void *) );
extern char *
_mesa_getenv( const char *var );
extern void
_mesa_printf( const char *fmtString, ... );
+extern int
+_mesa_vsprintf( char *str, const char *fmt, va_list args );
+
extern void
_mesa_warning( __GLcontext *gc, const char *fmtString, ... );
extern void
_mesa_debug( const __GLcontext *ctx, const char *fmtString, ... );
+extern void
+_mesa_exit( int status );
+
extern void
_mesa_init_default_imports( __GLimports *imports, void *driverCtx );
projects / mesa.git / blobdiff