summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorWang He <[email protected]>2016-05-10 13:40:30 +0800
committerAxel Davy <[email protected]>2016-05-18 23:37:14 +0200
commitf21b7d1e5c21b749ae7c19d3dc80dc4e14e4bb77 (patch)
treeac6cf32bdb570f2a9bf02b7b4d25b01a8224da29
parentde39231134348a5ffb92f7cc2b3098e11384912a (diff)
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 <[email protected]> Reviewed-by: Axel Davy <[email protected]>
-rw-r--r--src/gallium/state_trackers/nine/device9.c15
-rw-r--r--src/gallium/state_trackers/nine/threadpool.h2
2 files changed, 9 insertions, 8 deletions
diff --git a/src/gallium/state_trackers/nine/device9.c b/src/gallium/state_trackers/nine/device9.c
index b29e161869c..20a0ce064f5 100644
--- a/src/gallium/state_trackers/nine/device9.c
+++ b/src/gallium/state_trackers/nine/device9.c
@@ -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
diff --git a/src/gallium/state_trackers/nine/threadpool.h b/src/gallium/state_trackers/nine/threadpool.h
index 2562c96f256..6f8f8c455d0 100644
--- a/src/gallium/state_trackers/nine/threadpool.h
+++ b/src/gallium/state_trackers/nine/threadpool.h
@@ -24,6 +24,8 @@
#ifndef _THREADPOOL_H_
#define _THREADPOOL_H_
+#include <pthread.h>
+
struct NineSwapChain9;
#define MAXTHREADS 1