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st/nine: Minor change to support musl libc 

A few changes to support musl libc as well.

In particular fpu_control.h is glibc specific.
fenv.h doesn't enable to do exactly what we want either,
so instead use assembly directly.

Signed-off-by: Wang He <xw897002528@gmail.com>
Reviewed-by: Axel Davy <axel.davy@ens.fr>
This commit is contained in:
Wang He 2016-05-10 13:40:30 +08:00 committed by Axel Davy
parent de39231134
commit f21b7d1e5c
2 changed files with 9 additions and 8 deletions
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15
src/gallium/state_trackers/nine/device9.c
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@ -57,20 +57,19 @@
#if defined(PIPE_CC_GCC) && (defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64))
#include <fpu_control.h>
static void nine_setup_fpu()
{
fpu_control_t c;
uint16_t c;
__asm__ __volatile__ ("fnstcw %0" : "=m" (*&c));
_FPU_GETCW(c);
/* clear the control word */
c &= _FPU_RESERVED;
c &= 0xF0C0;
/* d3d9 doc/wine tests: mask all exceptions, use single-precision
* and round to nearest */
c |= _FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM | _FPU_MASK_OM |
_FPU_MASK_UM | _FPU_MASK_PM | _FPU_SINGLE | _FPU_RC_NEAREST;
_FPU_SETCW(c);
c |= 0x003F;
__asm__ __volatile__ ("fldcw %0" : : "m" (*&c));
}
#else

2
src/gallium/state_trackers/nine/threadpool.h
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@ -24,6 +24,8 @@
#ifndef _THREADPOOL_H_
#define _THREADPOOL_H_
#include <pthread.h>
struct NineSwapChain9;
#define MAXTHREADS 1