diff options
Diffstat (limited to 'mesalib/src/mesa/main/imports.h')
| -rw-r--r-- | mesalib/src/mesa/main/imports.h | 150 |
1 files changed, 62 insertions, 88 deletions
diff --git a/mesalib/src/mesa/main/imports.h b/mesalib/src/mesa/main/imports.h index 7d4012a85..d28f4ad12 100644 --- a/mesalib/src/mesa/main/imports.h +++ b/mesalib/src/mesa/main/imports.h @@ -50,31 +50,15 @@ extern "C" { /*@{*/ /** 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) /*@}*/ @@ -256,9 +240,7 @@ static INLINE int GET_FLOAT_BITS( float x ) /*** *** 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))) +#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__) static INLINE int iround(float f) { int r; @@ -405,6 +387,60 @@ _mesa_is_pow_two(int x) 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] @@ -459,15 +495,6 @@ _mesa_little_endian(void) */ 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 * @@ -489,21 +516,9 @@ _mesa_exec_free( void *addr ); 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); @@ -558,55 +573,18 @@ 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 float +_mesa_strtof( const char *s, char **end ); extern unsigned int _mesa_str_checksum(const char *str); 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 ); - - -extern void _mesa_warning( __GLcontext *gc, const char *fmtString, ... ); extern void @@ -618,10 +596,6 @@ _mesa_error( __GLcontext *ctx, GLenum error, const char *fmtString, ... ); extern void _mesa_debug( const __GLcontext *ctx, const char *fmtString, ... ); -extern void -_mesa_exit( int status ); - - #ifdef __cplusplus } #endif |