Stefan Dirsch
548acc1f09
* gallium/rtasm: properly detect SSE and SSE2; this should fix
crashes on ancient processors. (bnc#728737)
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/Mesa?expand=0&rev=203
86 lines
2.1 KiB
Diff
86 lines
2.1 KiB
Diff
From 74d303521e6ba41d1cbeb75edb2f834ebbe8c550 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= <maraeo@gmail.com>
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Date: Fri, 24 Feb 2012 19:29:48 +0100
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Subject: [PATCH] gallium/rtasm: properly detect SSE and SSE2
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This should fix crashes on ancient processors.
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---
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src/gallium/auxiliary/rtasm/rtasm_cpu.c | 48 +++++++++++++++---------------
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1 files changed, 24 insertions(+), 24 deletions(-)
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diff --git a/src/gallium/auxiliary/rtasm/rtasm_cpu.c b/src/gallium/auxiliary/rtasm/rtasm_cpu.c
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index 0461c81..7afcf14 100644
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--- a/src/gallium/auxiliary/rtasm/rtasm_cpu.c
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+++ b/src/gallium/auxiliary/rtasm/rtasm_cpu.c
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@@ -25,43 +25,43 @@
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*
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**************************************************************************/
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+#include "pipe/p_config.h"
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+#include "rtasm_cpu.h"
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+
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+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
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#include "util/u_debug.h"
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-#include "rtasm_cpu.h"
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+#include "util/u_cpu_detect.h"
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+DEBUG_GET_ONCE_BOOL_OPTION(nosse, "GALLIUM_NOSSE", FALSE);
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-#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
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-static boolean rtasm_sse_enabled(void)
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+static struct util_cpu_caps *get_cpu_caps(void)
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{
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- static boolean firsttime = 1;
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- static boolean enabled;
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-
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- /* This gets called quite often at the moment:
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- */
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- if (firsttime) {
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- enabled = !debug_get_bool_option("GALLIUM_NOSSE", FALSE);
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- firsttime = FALSE;
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- }
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- return enabled;
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+ util_cpu_detect();
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+ return &util_cpu_caps;
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}
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-#endif
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int rtasm_cpu_has_sse(void)
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{
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- /* FIXME: actually detect this at run-time */
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-#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
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- return rtasm_sse_enabled();
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-#else
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- return 0;
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-#endif
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+ return !debug_get_option_nosse() && get_cpu_caps()->has_sse;
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}
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int rtasm_cpu_has_sse2(void)
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{
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- /* FIXME: actually detect this at run-time */
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-#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
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- return rtasm_sse_enabled();
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+ return !debug_get_option_nosse() && get_cpu_caps()->has_sse2;
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+}
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+
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+
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#else
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+
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+int rtasm_cpu_has_sse(void)
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+{
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return 0;
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-#endif
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}
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+
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+int rtasm_cpu_has_sse2(void)
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+{
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+ return 0;
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+}
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+
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+#endif
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--
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1.7.3.4
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