Move compiler.h and imports.h/c from src/mesa/main into src/util

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4324>

1 files changed, 0 insertions, 321 deletions

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
deleted file mode 100644
index 7cf5f247be4..00000000000
--- a/src/mesa/main/imports.h
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * Mesa 3-D graphics library
- *
- * Copyright (C) 1999-2008  Brian Paul   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, sublicense,
- * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-
-/**
- * \file imports.h
- * Standard C library function wrappers.
- *
- * This file provides wrappers for all the standard C library functions
- * like malloc(), free(), printf(), getenv(), etc.
- */
-
-
-#ifndef IMPORTS_H
-#define IMPORTS_H
-
-
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include "compiler.h"
-#include "glheader.h"
-#include "util/bitscan.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-/**********************************************************************/
-/** Memory macros */
-/*@{*/
-
-/** Allocate a structure of type \p 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 *) calloc(1, sizeof(struct T))
-
-/*@}*/
-
-
-/*
- * For GL_ARB_vertex_buffer_object we need to treat vertex array pointers
- * as offsets into buffer stores.  Since the vertex array pointer and
- * buffer store pointer are both pointers and we need to add them, we use
- * this macro.
- * Both pointers/offsets are expressed in bytes.
- */
-#define ADD_POINTERS(A, B)  ( (GLubyte *) (A) + (uintptr_t) (B) )
-
-
-/**
- * Sometimes we treat GLfloats as GLints.  On x86 systems, moving a float
- * as an int (thereby using integer registers instead of FP registers) is
- * a performance win.  Typically, this can be done with ordinary casts.
- * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0)
- * these casts generate warnings.
- * The following union typedef is used to solve that.
- */
-typedef union { GLfloat f; GLint i; GLuint u; } fi_type;
-
-
-
-/*@}*/
-
-
-/***
- *** LOG2: Log base 2 of float
- ***/
-static inline GLfloat LOG2(GLfloat x)
-{
-#if 0
-   /* This is pretty fast, but not accurate enough (only 2 fractional bits).
-    * Based on code from http://www.stereopsis.com/log2.html
-    */
-   const GLfloat y = x * x * x * x;
-   const GLuint ix = *((GLuint *) &y);
-   const GLuint exp = (ix >> 23) & 0xFF;
-   const GLint log2 = ((GLint) exp) - 127;
-   return (GLfloat) log2 * (1.0 / 4.0);  /* 4, because of x^4 above */
-#endif
-   /* Pretty fast, and accurate.
-    * Based on code from http://www.flipcode.com/totd/
-    */
-   fi_type num;
-   GLint log_2;
-   num.f = x;
-   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;
-}
-
-
-
-/**
- * finite macro.
- */
-#if defined(_MSC_VER)
-#  define finite _finite
-#endif
-
-
-/***
- *** IS_INF_OR_NAN: test if float is infinite or NaN
- ***/
-#if defined(isfinite)
-#define IS_INF_OR_NAN(x)        (!isfinite(x))
-#elif defined(finite)
-#define IS_INF_OR_NAN(x)        (!finite(x))
-#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-#define IS_INF_OR_NAN(x)        (!isfinite(x))
-#else
-#define IS_INF_OR_NAN(x)        (!finite(x))
-#endif
-
-
-/**
- * Convert float to int by rounding to nearest integer, away from zero.
- */
-static inline int IROUND(float f)
-{
-   return (int) ((f >= 0.0F) ? (f + 0.5F) : (f - 0.5F));
-}
-
-/**
- * Convert double to int by rounding to nearest integer, away from zero.
- */
-static inline int IROUNDD(double d)
-{
-   return (int) ((d >= 0.0) ? (d + 0.5) : (d - 0.5));
-}
-
-/**
- * Convert float to int64 by rounding to nearest integer.
- */
-static inline GLint64 IROUND64(float f)
-{
-   return (GLint64) ((f >= 0.0F) ? (f + 0.5F) : (f - 0.5F));
-}
-
-
-/**
- * Convert positive float to int by rounding to nearest integer.
- */
-static inline int IROUND_POS(float f)
-{
-   assert(f >= 0.0F);
-   return (int) (f + 0.5F);
-}
-
-/** Return (as an integer) floor of float */
-static inline int IFLOOR(float f)
-{
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
-   /*
-    * IEEE floor for computers that round to nearest or even.
-    * 'f' must be between -4194304 and 4194303.
-    * This floor operation is done by "(iround(f + .5) + iround(f - .5)) >> 1",
-    * but uses some IEEE specific tricks for better speed.
-    * Contributed by Josh Vanderhoof
-    */
-   int ai, bi;
-   double af, bf;
-   af = (3 << 22) + 0.5 + (double)f;
-   bf = (3 << 22) + 0.5 - (double)f;
-   /* GCC generates an extra fstp/fld without this. */
-   __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st");
-   __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st");
-   return (ai - bi) >> 1;
-#else
-   int ai, bi;
-   double af, bf;
-   fi_type 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;
-#endif
-}
-
-
-/**
- * Is x a power of two?
- */
-static inline int
-_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 HAVE___BUILTIN_CLZ
-	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 HAVE___BUILTIN_CLZLL
-	uint64_t y = (x != 1);
-	STATIC_ASSERT(sizeof(x) == sizeof(long long));
-	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
-}
-
-
-/*
- * Returns the floor form of binary logarithm for a 32-bit integer.
- */
-static inline GLuint
-_mesa_logbase2(GLuint n)
-{
-#ifdef HAVE___BUILTIN_CLZ
-   return (31 - __builtin_clz(n | 1));
-#else
-   GLuint pos = 0;
-   if (n >= 1<<16) { n >>= 16; pos += 16; }
-   if (n >= 1<< 8) { n >>=  8; pos +=  8; }
-   if (n >= 1<< 4) { n >>=  4; pos +=  4; }
-   if (n >= 1<< 2) { n >>=  2; pos +=  2; }
-   if (n >= 1<< 1) {           pos +=  1; }
-   return pos;
-#endif
-}
-
-
-/**********************************************************************
- * Functions
- */
-
-extern void *
-_mesa_align_malloc( size_t bytes, unsigned long alignment );
-
-extern void *
-_mesa_align_calloc( size_t bytes, unsigned long alignment );
-
-extern void
-_mesa_align_free( void *ptr );
-
-extern void *
-_mesa_align_realloc(void *oldBuffer, size_t oldSize, size_t newSize,
-                    unsigned long alignment);
-
-extern int
-_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) PRINTFLIKE(3, 4);
-
-extern int
-_mesa_vsnprintf(char *str, size_t size, const char *fmt, va_list arg);
-
-
-#if defined(_WIN32) && !defined(HAVE_STRTOK_R)
-#define strtok_r strtok_s
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif /* IMPORTS_H */