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-rw-r--r--src/gallium/auxiliary/rtasm/rtasm_cpu.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_cpu.c b/src/gallium/auxiliary/rtasm/rtasm_cpu.c
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+++ b/src/gallium/auxiliary/rtasm/rtasm_cpu.c
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+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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 (including the
+ * next paragraph) 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_debug.h"
+#include "rtasm_cpu.h"
+
+
+static boolean rtasm_sse_enabled(void)
+{
+ static boolean firsttime = 1;
+ static boolean enabled;
+
+ /* This gets called quite often at the moment:
+ */
+ if (firsttime) {
+ enabled = !debug_get_bool_option("GALLIUM_NOSSE", FALSE);
+ firsttime = FALSE;
+ }
+ return enabled;
+}
+
+int rtasm_cpu_has_sse(void)
+{
+ /* FIXME: actually detect this at run-time */
+#if defined(PIPE_ARCH_X86)
+ return rtasm_sse_enabled();
+#else
+ return 0;
+#endif
+}
+
+int rtasm_cpu_has_sse2(void)
+{
+ /* FIXME: actually detect this at run-time */
+#if defined(PIPE_ARCH_X86)
+ return rtasm_sse_enabled();
+#else
+ return 0;
+#endif
+}