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Diffstat (limited to 'src/gallium/include/pipe/p_util.h')
-rw-r--r-- | src/gallium/include/pipe/p_util.h | 460 |
1 files changed, 0 insertions, 460 deletions
diff --git a/src/gallium/include/pipe/p_util.h b/src/gallium/include/pipe/p_util.h deleted file mode 100644 index 4a3fca59621..00000000000 --- a/src/gallium/include/pipe/p_util.h +++ /dev/null @@ -1,460 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef P_UTIL_H -#define P_UTIL_H - -#include "p_config.h" -#include "p_compiler.h" -#include "p_debug.h" -#include "p_pointer.h" - -#if defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) -__inline double ceil(double val) -{ - double ceil_val; - - if((val - (long) val) == 0) { - ceil_val = val; - } else { - if(val > 0) { - ceil_val = (long) val + 1; - } else { - ceil_val = (long) val; - } - } - - return ceil_val; -} - -#ifndef PIPE_SUBSYSTEM_WINDOWS_CE -__inline double floor(double val) -{ - double floor_val; - - if((val - (long) val) == 0) { - floor_val = val; - } else { - if(val > 0) { - floor_val = (long) val; - } else { - floor_val = (long) val - 1; - } - } - - return floor_val; -} -#endif - -#pragma function(pow) -__inline double __cdecl pow(double val, double exponent) -{ - /* XXX */ - assert(0); - return 0; -} - -#pragma function(log) -__inline double __cdecl log(double val) -{ - /* XXX */ - assert(0); - return 0; -} - -#pragma function(atan2) -__inline double __cdecl atan2(double val) -{ - /* XXX */ - assert(0); - return 0; -} -#else -#include <math.h> -#include <stdarg.h> -#endif - - /* Define ENOMEM for WINCE */ -#if (_WIN32_WCE < 600) -#ifndef ENOMEM -#define ENOMEM 12 -#endif -#endif - -#ifdef __cplusplus -extern "C" { -#endif - - -#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) && defined(DEBUG) - -/* memory debugging */ - -#include "p_debug.h" - -#define MALLOC( _size ) \ - debug_malloc( __FILE__, __LINE__, __FUNCTION__, _size ) -#define CALLOC( _count, _size ) \ - debug_calloc(__FILE__, __LINE__, __FUNCTION__, _count, _size ) -#define FREE( _ptr ) \ - debug_free( __FILE__, __LINE__, __FUNCTION__, _ptr ) -#define REALLOC( _ptr, _old_size, _size ) \ - debug_realloc( __FILE__, __LINE__, __FUNCTION__, _ptr, _old_size, _size ) - -#elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) - -void * __stdcall -EngAllocMem( - unsigned long Flags, - unsigned long MemSize, - unsigned long Tag ); - -void __stdcall -EngFreeMem( - void *Mem ); - -#define MALLOC( _size ) EngAllocMem( 0, _size, 'D3AG' ) -#define _FREE( _ptr ) EngFreeMem( _ptr ) - -#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) - -void * -ExAllocatePool( - unsigned long PoolType, - size_t NumberOfBytes); - -void -ExFreePool(void *P); - -#define MALLOC(_size) ExAllocatePool(0, _size) -#define _FREE(_ptr) ExFreePool(_ptr) - -#else - -#define MALLOC( SIZE ) malloc( SIZE ) -#define CALLOC( COUNT, SIZE ) calloc( COUNT, SIZE ) -#define FREE( PTR ) free( PTR ) -#define REALLOC( OLDPTR, OLDSIZE, NEWSIZE ) realloc( OLDPTR, NEWSIZE ) - -#endif - - -#ifndef CALLOC -static INLINE void * -CALLOC( unsigned count, unsigned size ) -{ - void *ptr = MALLOC( count * size ); - if( ptr ) { - memset( ptr, 0, count * size ); - } - return ptr; -} -#endif /* !CALLOC */ - -#ifndef FREE -static INLINE void -FREE( void *ptr ) -{ - if( ptr ) { - _FREE( ptr ); - } -} -#endif /* !FREE */ - -#ifndef REALLOC -static INLINE void * -REALLOC( void *old_ptr, unsigned old_size, unsigned new_size ) -{ - void *new_ptr = NULL; - - if (new_size != 0) { - unsigned copy_size = old_size < new_size ? old_size : new_size; - new_ptr = MALLOC( new_size ); - if (new_ptr && old_ptr && copy_size) { - memcpy( new_ptr, old_ptr, copy_size ); - } - } - - FREE( old_ptr ); - return new_ptr; -} -#endif /* !REALLOC */ - - -#define MALLOC_STRUCT(T) (struct T *) MALLOC(sizeof(struct T)) - -#define CALLOC_STRUCT(T) (struct T *) CALLOC(1, sizeof(struct T)) - - -/** - * Return memory on given byte alignment - */ -static INLINE void * -align_malloc(size_t bytes, uint alignment) -{ -#if defined(HAVE_POSIX_MEMALIGN) - void *mem; - alignment = (alignment + (uint)sizeof(void*) - 1) & ~((uint)sizeof(void*) - 1); - if(posix_memalign(& mem, alignment, bytes) != 0) - return NULL; - return mem; -#else - char *ptr, *buf; - - assert( alignment > 0 ); - - ptr = (char *) MALLOC(bytes + alignment + sizeof(void *)); - if (!ptr) - return NULL; - - buf = (char *) align_pointer( ptr + sizeof(void *), alignment ); - *(char **)(buf - sizeof(void *)) = ptr; - - return buf; -#endif /* defined(HAVE_POSIX_MEMALIGN) */ -} - -/** - * Free memory returned by align_malloc(). - */ -static INLINE void -align_free(void *ptr) -{ -#if defined(HAVE_POSIX_MEMALIGN) - FREE(ptr); -#else - void **cubbyHole = (void **) ((char *) ptr - sizeof(void *)); - void *realAddr = *cubbyHole; - FREE(realAddr); -#endif /* defined(HAVE_POSIX_MEMALIGN) */ -} - - - -/** - * Duplicate a block of memory. - */ -static INLINE void * -mem_dup(const void *src, uint size) -{ - void *dup = MALLOC(size); - if (dup) - memcpy(dup, src, size); - return dup; -} - - - -#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) ) -#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) -#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) - -#ifndef Elements -#define Elements(x) (sizeof(x)/sizeof((x)[0])) -#endif -#define Offset(TYPE, MEMBER) ((unsigned)&(((TYPE *)NULL)->MEMBER)) - -/** - * Return a pointer aligned to next multiple of 16 bytes. - */ -static INLINE void * -align16( void *unaligned ) -{ - return align_pointer( unaligned, 16 ); -} - - -static INLINE int align(int value, int alignment) -{ - return (value + alignment - 1) & ~(alignment - 1); -} - - - - -#if defined(PIPE_CC_MSVC) && defined(PIPE_ARCH_X86) -static INLINE unsigned ffs( unsigned u ) -{ - unsigned i; - - if( u == 0 ) { - return 0; - } - - __asm bsf eax, [u] - __asm inc eax - __asm mov [i], eax - - return i; -} -#endif - -union fi { - float f; - int i; - unsigned ui; -}; - -#define UBYTE_TO_FLOAT( ub ) ((float)(ub) / 255.0F) - -#define IEEE_0996 0x3f7f0000 /* 0.996 or so */ - -/* This function/macro is sensitive to precision. Test very carefully - * if you change it! - */ -#define UNCLAMPED_FLOAT_TO_UBYTE(UB, F) \ - do { \ - union fi __tmp; \ - __tmp.f = (F); \ - if (__tmp.i < 0) \ - UB = (ubyte) 0; \ - else if (__tmp.i >= IEEE_0996) \ - UB = (ubyte) 255; \ - else { \ - __tmp.f = __tmp.f * (255.0f/256.0f) + 32768.0f; \ - UB = (ubyte) __tmp.i; \ - } \ - } while (0) - - - -static INLINE unsigned pack_ub4( unsigned char b0, - unsigned char b1, - unsigned char b2, - unsigned char b3 ) -{ - return ((((unsigned int)b0) << 0) | - (((unsigned int)b1) << 8) | - (((unsigned int)b2) << 16) | - (((unsigned int)b3) << 24)); -} - -static INLINE unsigned fui( float f ) -{ - union fi fi; - fi.f = f; - return fi.ui; -} - -static INLINE unsigned char float_to_ubyte( float f ) -{ - unsigned char ub; - UNCLAMPED_FLOAT_TO_UBYTE(ub, f); - return ub; -} - -static INLINE unsigned pack_ui32_float4( float a, - float b, - float c, - float d ) -{ - return pack_ub4( float_to_ubyte(a), - float_to_ubyte(b), - float_to_ubyte(c), - float_to_ubyte(d) ); -} - -#define COPY_4V( DST, SRC ) \ -do { \ - (DST)[0] = (SRC)[0]; \ - (DST)[1] = (SRC)[1]; \ - (DST)[2] = (SRC)[2]; \ - (DST)[3] = (SRC)[3]; \ -} while (0) - - -#define COPY_4FV( DST, SRC ) COPY_4V(DST, SRC) - - -#define ASSIGN_4V( DST, V0, V1, V2, V3 ) \ -do { \ - (DST)[0] = (V0); \ - (DST)[1] = (V1); \ - (DST)[2] = (V2); \ - (DST)[3] = (V3); \ -} while (0) - - - -#if defined(_MSC_VER) -#if _MSC_VER < 1400 && !defined(__cplusplus) || defined(PIPE_SUBSYSTEM_WINDOWS_CE) - -static INLINE float cosf( float f ) -{ - return (float) cos( (double) f ); -} - -static INLINE float sinf( float f ) -{ - return (float) sin( (double) f ); -} - -static INLINE float ceilf( float f ) -{ - return (float) ceil( (double) f ); -} - -static INLINE float floorf( float f ) -{ - return (float) floor( (double) f ); -} - -static INLINE float powf( float f, float g ) -{ - return (float) pow( (double) f, (double) g ); -} - -static INLINE float sqrtf( float f ) -{ - return (float) sqrt( (double) f ); -} - -static INLINE float fabsf( float f ) -{ - return (float) fabs( (double) f ); -} - -static INLINE float logf( float f ) -{ - return (float) log( (double) f ); -} - -#else -/* Work-around an extra semi-colon in VS 2005 logf definition */ -#ifdef logf -#undef logf -#define logf(x) ((float)log((double)(x))) -#endif /* logf */ -#endif -#endif /* _MSC_VER */ - - -#ifdef __cplusplus -} -#endif - -#endif |