diff options
Diffstat (limited to 'src/mesa/main/imports.h')
| -rw-r--r-- | src/mesa/main/imports.h | 171 |
1 files changed, 2 insertions, 169 deletions
diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h index a421eb5e755..d28860f1702 100644 --- a/src/mesa/main/imports.h +++ b/src/mesa/main/imports.h @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 7.1 + * Version: 7.5 * * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. * @@ -36,10 +36,8 @@ #define IMPORTS_H -/* XXX some of the stuff in glheader.h should be moved into this file. - */ +#include "compiler.h" #include "glheader.h" -#include <GL/internal/glcore.h> #ifdef __cplusplus @@ -48,26 +46,6 @@ extern "C" { /**********************************************************************/ -/** \name General macros */ -/*@{*/ - -#ifndef NULL -#define NULL 0 -#endif - - -/** gcc -pedantic warns about long string literals, LONGSTRING silences that */ -#if !defined(__GNUC__) || (__GNUC__ < 2) || \ - ((__GNUC__ == 2) && (__GNUC_MINOR__ <= 7)) -# define LONGSTRING -#else -# define LONGSTRING __extension__ -#endif - -/*@}*/ - - -/**********************************************************************/ /** Memory macros */ /*@{*/ @@ -130,49 +108,11 @@ typedef union { GLfloat f; GLint i; } fi_type; #define MAX_GLUSHORT 0xffff #define MAX_GLUINT 0xffffffff -#ifndef M_PI -#define M_PI (3.1415926536) -#endif - -#ifndef M_E -#define M_E (2.7182818284590452354) -#endif - -#ifndef ONE_DIV_LN2 -#define ONE_DIV_LN2 (1.442695040888963456) -#endif - -#ifndef ONE_DIV_SQRT_LN2 -#define ONE_DIV_SQRT_LN2 (1.201122408786449815) -#endif - -#ifndef FLT_MAX_EXP -#define FLT_MAX_EXP 128 -#endif - /* Degrees to radians conversion: */ #define DEG2RAD (M_PI/180.0) /*** - *** USE_IEEE: Determine if we're using IEEE floating point - ***/ -#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \ - defined(__s390x__) || defined(__powerpc__) || \ - defined(__x86_64__) || \ - defined(ia64) || defined(__ia64__) || \ - defined(__hppa__) || defined(hpux) || \ - defined(__mips) || defined(_MIPS_ARCH) || \ - defined(__arm__) || \ - defined(__sh__) || defined(__m32r__) || \ - (defined(__sun) && defined(_IEEE_754)) || \ - (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS))) -#define USE_IEEE -#define IEEE_ONE 0x3f800000 -#endif - - -/*** *** SQRTF: single-precision square root ***/ #if 0 /* _mesa_sqrtf() not accurate enough - temporarily disabled */ @@ -508,113 +448,6 @@ _mesa_is_pow_two(int x) #endif -/*** - *** START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save - *** original mode to a temporary). - *** END_FAST_MATH: Restore x86 FPU to original mode. - ***/ -#if defined(__GNUC__) && defined(__i386__) -/* - * Set the x86 FPU control word to guarentee only 32 bits of precision - * are stored in registers. Allowing the FPU to store more introduces - * differences between situations where numbers are pulled out of memory - * vs. situations where the compiler is able to optimize register usage. - * - * In the worst case, we force the compiler to use a memory access to - * truncate the float, by specifying the 'volatile' keyword. - */ -/* Hardware default: All exceptions masked, extended double precision, - * round to nearest (IEEE compliant): - */ -#define DEFAULT_X86_FPU 0x037f -/* All exceptions masked, single precision, round to nearest: - */ -#define FAST_X86_FPU 0x003f -/* The fldcw instruction will cause any pending FP exceptions to be - * raised prior to entering the block, and we clear any pending - * exceptions before exiting the block. Hence, asm code has free - * reign over the FPU while in the fast math block. - */ -#if defined(NO_FAST_MATH) -#define START_FAST_MATH(x) \ -do { \ - static GLuint mask = DEFAULT_X86_FPU; \ - __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ - __asm__ ( "fldcw %0" : : "m" (mask) ); \ -} while (0) -#else -#define START_FAST_MATH(x) \ -do { \ - static GLuint mask = FAST_X86_FPU; \ - __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ - __asm__ ( "fldcw %0" : : "m" (mask) ); \ -} while (0) -#endif -/* Restore original FPU mode, and clear any exceptions that may have - * occurred in the FAST_MATH block. - */ -#define END_FAST_MATH(x) \ -do { \ - __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) ); \ -} while (0) - -#elif defined(__WATCOMC__) && defined(__386__) -#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ -#define FAST_X86_FPU 0x003f /* See GCC comments above */ -void _watcom_start_fast_math(unsigned short *x,unsigned short *mask); -#pragma aux _watcom_start_fast_math = \ - "fnstcw word ptr [eax]" \ - "fldcw word ptr [ecx]" \ - parm [eax] [ecx] \ - modify exact []; -void _watcom_end_fast_math(unsigned short *x); -#pragma aux _watcom_end_fast_math = \ - "fnclex" \ - "fldcw word ptr [eax]" \ - parm [eax] \ - modify exact []; -#if defined(NO_FAST_MATH) -#define START_FAST_MATH(x) \ -do { \ - static GLushort mask = DEFAULT_X86_FPU; \ - _watcom_start_fast_math(&x,&mask); \ -} while (0) -#else -#define START_FAST_MATH(x) \ -do { \ - static GLushort mask = FAST_X86_FPU; \ - _watcom_start_fast_math(&x,&mask); \ -} while (0) -#endif -#define END_FAST_MATH(x) _watcom_end_fast_math(&x) - -#elif defined(_MSC_VER) && defined(_M_IX86) -#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ -#define FAST_X86_FPU 0x003f /* See GCC comments above */ -#if defined(NO_FAST_MATH) -#define START_FAST_MATH(x) do {\ - static GLuint mask = DEFAULT_X86_FPU;\ - __asm fnstcw word ptr [x]\ - __asm fldcw word ptr [mask]\ -} while(0) -#else -#define START_FAST_MATH(x) do {\ - static GLuint mask = FAST_X86_FPU;\ - __asm fnstcw word ptr [x]\ - __asm fldcw word ptr [mask]\ -} while(0) -#endif -#define END_FAST_MATH(x) do {\ - __asm fnclex\ - __asm fldcw word ptr [x]\ -} while(0) - -#else -#define START_FAST_MATH(x) x = 0 -#define END_FAST_MATH(x) (void)(x) -#endif - - /** * Return 1 if this is a little endian machine, 0 if big endian. */ |