summaryrefslogtreecommitdiffstats
path: root/src/mesa/pipe/p_util.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/pipe/p_util.h')
-rw-r--r--src/mesa/pipe/p_util.h408
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 a8938a7e43b..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 of 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 13:31:42 +0000