Initial revision

1 files changed, 77 insertions, 0 deletions

diff --git a/src/mesa/x86/common_x86.c b/src/mesa/x86/common_x86.c
new file mode 100644
index 0000000000..7d30be94cf
--- /dev/null
+++ b/src/mesa/x86/common_x86.c
@@ -0,0 +1,77 @@
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.1
+ * 
+ * Copyright (C) 1999  Brian Paul   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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ */
+
+
+/*
+ *  Check CPU capabilities & initialize optimized funtions for this particular
+ *   processor.
+ *
+ *  Written by Holger Waechtler <holger@akaflieg.extern.tu-berlin.de>
+ */
+
+#include <stdlib.h>
+#include "common_x86asm.h"
+
+int gl_x86_cpu_features = 0;
+
+
+void gl_init_all_x86_asm (void)
+{
+#ifdef USE_X86_ASM
+   gl_x86_cpu_features = gl_identify_x86_cpu_features ();
+
+   if (gl_x86_cpu_features & GL_CPU_GenuineIntel) {
+      printf ("GenuineIntel cpu detected.\n");
+   }
+   gl_init_x86_asm_transforms ();
+
+
+#ifdef USE_MMX_ASM
+   if (gl_x86_cpu_features & GL_CPU_MMX) {
+      char *s = getenv( "MESA_NO_MMX" );
+      if (s == NULL) { 
+         printf ("MMX cpu detected.\n");
+      } else {
+         gl_x86_cpu_features &= (!GL_CPU_MMX); 
+      }
+   }
+#endif
+
+
+#ifdef USE_3DNOW_ASM
+   if (gl_x86_cpu_features & GL_CPU_3Dnow) {
+      char *s = getenv( "MESA_NO_3DNOW" );
+      if (s == NULL) {
+         printf ("3Dnow cpu detected.\n");
+         gl_init_3dnow_asm_transforms ();
+      } else {
+         gl_x86_cpu_features &= (!GL_CPU_3Dnow); 
+      }
+   }
+#endif
+
+#endif
+}
+