/*
* Mesa 3-D graphics library
- * Version: 7.1
+ * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
#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
-
-
-/** gcc -pedantic warns about long string literals, LONGSTRING silences that */
-#if !defined(__GNUC__) || (__GNUC__ < 2) || \
- ((__GNUC__ == 2) && (__GNUC_MINOR__ <= 7))
-# define LONGSTRING
-#else
-# define LONGSTRING __extension__
-#endif
-
-/*@}*/
-
-
/**********************************************************************/
/** Memory macros */
/*@{*/
/** Allocate \p BYTES bytes */
-#define MALLOC(BYTES) _mesa_malloc(BYTES)
+#define MALLOC(BYTES) malloc(BYTES)
/** Allocate and zero \p BYTES bytes */
-#define CALLOC(BYTES) _mesa_calloc(BYTES)
+#define CALLOC(BYTES) calloc(1, BYTES)
/** Allocate a structure of type \p T */
-#define MALLOC_STRUCT(T) (struct T *) _mesa_malloc(sizeof(struct T))
+#define MALLOC_STRUCT(T) (struct T *) malloc(sizeof(struct T))
/** Allocate and zero a structure of type \p T */
-#define CALLOC_STRUCT(T) (struct T *) _mesa_calloc(sizeof(struct T))
+#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T))
/** Free memory */
-#define FREE(PTR) _mesa_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)
-
-/** Copy \p BYTES bytes from \p SRC into \p DST */
-#define MEMCPY( DST, SRC, BYTES) _mesa_memcpy(DST, SRC, BYTES)
-/** Set \p N bytes in \p DST to \p VAL */
-#define MEMSET( DST, VAL, N ) _mesa_memset(DST, VAL, N)
+#define FREE(PTR) free(PTR)
/*@}*/
#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
-
-#ifndef ONE_DIV_LN2
-#define ONE_DIV_LN2 (1.442695040888963456)
-#endif
-
-#ifndef ONE_DIV_SQRT_LN2
-#define ONE_DIV_SQRT_LN2 (1.201122408786449815)
-#endif
-
-#ifndef FLT_MAX_EXP
-#define FLT_MAX_EXP 128
-#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(__x86_64__) || \
- defined(ia64) || defined(__ia64__) || \
- defined(__hppa__) || defined(hpux) || \
- defined(__mips) || defined(_MIPS_ARCH) || \
- defined(__arm__) || \
- defined(__sh__) || defined(__m32r__) || \
- (defined(__sun) && defined(_IEEE_754)) || \
- (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS)))
-#define USE_IEEE
-#define IEEE_ONE 0x3f800000
-#endif
-
-
/***
*** SQRTF: single-precision square root
***/
/***
*** 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;
#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
return !(x & (x - 1));
}
+/**
+ * Round given integer to next higer power of two
+ * If X is zero result is undefined.
+ *
+ * Source for the fallback implementation is
+ * Sean Eron Anderson's webpage "Bit Twiddling Hacks"
+ * http://graphics.stanford.edu/~seander/bithacks.html
+ *
+ * When using builtin function have to do some work
+ * for case when passed values 1 to prevent hiting
+ * undefined result from __builtin_clz. Undefined
+ * results would be different depending on optimization
+ * level used for build.
+ */
+static INLINE int32_t
+_mesa_next_pow_two_32(uint32_t x)
+{
+#ifdef __GNUC__
+ uint32_t y = (x != 1);
+ return (1 + y) << ((__builtin_clz(x - y) ^ 31) );
+#else
+ x--;
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+ x |= x >> 8;
+ x |= x >> 16;
+ x++;
+ return x;
+#endif
+}
+
+static INLINE int64_t
+_mesa_next_pow_two_64(uint64_t x)
+{
+#ifdef __GNUC__
+ uint64_t y = (x != 1);
+ if (sizeof(x) == sizeof(long))
+ return (1 + y) << ((__builtin_clzl(x - y) ^ 63));
+ else
+ return (1 + y) << ((__builtin_clzll(x - y) ^ 63));
+#else
+ x--;
+ x |= x >> 1;
+ x |= x >> 2;
+ x |= x >> 4;
+ x |= x >> 8;
+ x |= x >> 16;
+ x |= x >> 32;
+ x++;
+ return x;
+#endif
+}
+
/***
*** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255]
#endif
-/***
- *** 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.
- */
-#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)
-
-#elif defined(_MSC_VER) && defined(_M_IX86)
-#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */
-#define FAST_X86_FPU 0x003f /* See GCC comments above */
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) do {\
- static GLuint mask = DEFAULT_X86_FPU;\
- __asm fnstcw word ptr [x]\
- __asm fldcw word ptr [mask]\
-} while(0)
-#else
-#define START_FAST_MATH(x) do {\
- static GLuint mask = FAST_X86_FPU;\
- __asm fnstcw word ptr [x]\
- __asm fldcw word ptr [mask]\
-} while(0)
-#endif
-#define END_FAST_MATH(x) do {\
- __asm fnclex\
- __asm fldcw word ptr [x]\
-} while(0)
-
-#else
-#define START_FAST_MATH(x) x = 0
-#define END_FAST_MATH(x) (void)(x)
-#endif
-
-
/**
* Return 1 if this is a little endian machine, 0 if big endian.
*/
* Functions
*/
-extern void *
-_mesa_malloc( size_t bytes );
-
-extern void *
-_mesa_calloc( size_t bytes );
-
-extern void
-_mesa_free( void *ptr );
-
extern void *
_mesa_align_malloc( size_t bytes, unsigned long alignment );
extern void *
_mesa_realloc( void *oldBuffer, size_t oldSize, size_t newSize );
-extern void *
-_mesa_memcpy( void *dest, const void *src, size_t n );
-
-extern void
-_mesa_memset( void *dst, int val, size_t n );
-
extern void
_mesa_memset16( unsigned short *dst, unsigned short val, size_t n );
-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 char *
_mesa_getenv( const char *var );
-extern char *
-_mesa_strstr( const char *haystack, const char *needle );
-
-extern char *
-_mesa_strncat( char *dest, const char *src, size_t n );
-
-extern char *
-_mesa_strcpy( char *dest, const char *src );
-
-extern char *
-_mesa_strncpy( char *dest, const char *src, size_t n );
-
-extern size_t
-_mesa_strlen( const char *s );
-
-extern int
-_mesa_strcmp( const char *s1, const char *s2 );
-
-extern int
-_mesa_strncmp( const char *s1, const char *s2, size_t n );
-
extern char *
_mesa_strdup( const char *s );
-extern int
-_mesa_atoi( const char *s );
-
extern double
_mesa_strtod( const char *s, char **end );
-extern int
-_mesa_sprintf( char *str, const char *fmt, ... );
+extern unsigned int
+_mesa_str_checksum(const char *str);
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 );
-
-
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 );
-
-
#ifdef __cplusplus
}
#endif