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Diffstat (limited to 'src/mesa/pipe/p_util.h')
-rw-r--r-- | src/mesa/pipe/p_util.h | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/src/mesa/pipe/p_util.h b/src/mesa/pipe/p_util.h deleted file mode 100644 index d7da2801c92..00000000000 --- a/src/mesa/pipe/p_util.h +++ /dev/null @@ -1,408 +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_compiler.h" -#include "p_debug.h" -#include <math.h> - - -#ifdef WIN32 - -#ifdef __cplusplus -extern "C" -{ -#endif - -void * __stdcall -EngAllocMem( - unsigned long Flags, - unsigned long MemSize, - unsigned long Tag ); - -void __stdcall -EngFreeMem( - void *Mem ); - -#ifdef __cplusplus -} -#endif - -static INLINE void * -MALLOC( unsigned size ) -{ - return EngAllocMem( 0, size, 'D3AG' ); -} - -static INLINE void * -CALLOC( unsigned count, unsigned size ) -{ - void *ptr = MALLOC( count * size ); - if( ptr ) { - memset( ptr, 0, count * size ); - } - return ptr; -} - -static INLINE void -FREE( void *ptr ) -{ - if( ptr ) { - EngFreeMem( ptr ); - } -} - -static INLINE void * -REALLOC( void *old_ptr, unsigned old_size, unsigned new_size ) -{ - void *new_ptr; - if( new_size <= old_size ) { - return old_ptr; - } - new_ptr = MALLOC( new_size ); - if( new_ptr ) { - memcpy( new_ptr, old_ptr, old_size ); - } - FREE( old_ptr ); - return new_ptr; -} - -#define GETENV( X ) NULL - -#else /* WIN32 */ - -#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 ) - -#define GETENV( X ) getenv( X ) - -#endif /* WIN32 */ - -#define MALLOC_STRUCT(T) (struct T *) MALLOC(sizeof(struct T)) - -#define CALLOC_STRUCT(T) (struct T *) CALLOC(1, sizeof(struct T)) - - -/** - * Return a pointer aligned to next multiple of N bytes. - */ -static INLINE void * -align_pointer( void *unaligned, uint alignment ) -{ - if (sizeof(void *) == 64) { - union { - void *p; - uint64 u; - } pu; - pu.p = unaligned; - pu.u = (pu.u + alignment - 1) & ~(uint64) (alignment - 1); - return pu.p; - } - else { - /* 32-bit pointers */ - union { - void *p; - uint u; - } pu; - pu.p = unaligned; - pu.u = (pu.u + alignment - 1) & ~(alignment - 1); - return pu.p; - } -} - -/** - * Return memory on given byte alignment - */ -static INLINE void * -align_malloc(size_t bytes, uint alignment) -{ -#if defined(HAVE_POSIX_MEMALIGN) - void *mem; - (void) posix_memalign(& mem, alignment, bytes); - 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) ) - -#define Elements(x) sizeof(x)/sizeof(*(x)) -#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(int x, int align) -{ - return (x + align - 1) & ~(align - 1); -} - - - -#if defined(__MSC__) && defined(__WIN32__) -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) - - -static INLINE int ifloor(float f) -{ - int ai, bi; - double af, bf; - union fi u; - - af = (3 << 22) + 0.5 + (double)f; - bf = (3 << 22) + 0.5 - (double)f; - u.f = (float) af; ai = u.i; - u.f = (float) bf; bi = u.i; - return (ai - bi) >> 1; -} - - -#if defined(__GNUC__) && defined(__i386__) -static INLINE int iround(float f) -{ - int r; - __asm__ ("fistpl %0" : "=m" (r) : "t" (f) : "st"); - return r; -} -#elif defined(__MSC__) && defined(__WIN32__) -static INLINE int iround(float f) -{ - int r; - _asm { - fld f - fistp r - } - return r; -} -#else -#define IROUND(f) ((int) (((f) >= 0.0F) ? ((f) + 0.5F) : ((f) - 0.5F))) -#endif - - -/* Could maybe have an inline version of this? - */ -#if defined(__GNUC__) -#define FABSF(x) fabsf(x) -#else -#define FABSF(x) ((float) fabs(x)) -#endif - -/* Pretty fast, and accurate. - * Based on code from http://www.flipcode.com/totd/ - */ -static INLINE float LOG2(float val) -{ - union fi num; - int log_2; - - num.f = val; - log_2 = ((num.i >> 23) & 255) - 128; - num.i &= ~(255 << 23); - num.i += 127 << 23; - num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3; - return num.f + log_2; -} - -#if defined(__GNUC__) -#define CEILF(x) ceilf(x) -#else -#define CEILF(x) ((float) ceil(x)) -#endif - -static INLINE int align(int value, int alignment) -{ - return (value + alignment - 1) & ~(alignment - 1); -} - - -/* util/p_util.c - */ -extern void pipe_copy_rect(ubyte * dst, unsigned cpp, unsigned dst_pitch, - unsigned dst_x, unsigned dst_y, unsigned width, - unsigned height, const ubyte * src, - int src_pitch, unsigned src_x, int src_y); - - -#endif |