x86-64 transform optimizations (Mikko T.)

1 files changed, 115 insertions, 0 deletions

diff --git a/src/mesa/x86-64/x86-64.c b/src/mesa/x86-64/x86-64.c
new file mode 100644
index 0000000000..e70bc66274
--- /dev/null
+++ b/src/mesa/x86-64/x86-64.c
@@ -0,0 +1,115 @@
+/* $Id: x86-64.c,v 1.1 2005/05/07 16:59:59 brianp Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2003  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.
+ */
+
+/*
+ * x86-64 optimizations shamelessy converted from x86/sse/3dnow assembly by
+ * Mikko Tiihonen
+ */
+
+#ifdef USE_X86_64_ASM
+
+#include "glheader.h"
+#include "context.h"
+#include "math/m_xform.h"
+#include "tnl/t_context.h"
+#include "x86-64.h"
+#include "../x86/common_x86_macros.h"
+
+#ifdef DEBUG
+#include "math/m_debug.h"
+#endif
+
+DECLARE_XFORM_GROUP( x86_64, 4 )
+
+#endif
+
+/*
+extern void _mesa_x86_64_transform_points4_general( XFORM_ARGS );
+extern void _mesa_x86_64_transform_points4_identity( XFORM_ARGS );
+extern void _mesa_x86_64_transform_points4_perspective( XFORM_ARGS );
+extern void _mesa_x86_64_transform_points4_3d( XFORM_ARGS );
+extern void _mesa_x86_64_transform_points4_3d_no_rot( XFORM_ARGS );
+extern void _mesa_x86_64_transform_points4_2d_no_rot( XFORM_ARGS );
+extern void _mesa_x86_64_transform_points4_2d( XFORM_ARGS );
+*/
+
+#ifdef USE_X86_64_ASM
+static void message( const char *msg )
+{
+   GLboolean debug;
+#ifdef DEBUG
+   debug = GL_TRUE;
+#else
+   if ( _mesa_getenv( "MESA_DEBUG" ) ) {
+      debug = GL_TRUE;
+   } else {
+      debug = GL_FALSE;
+   }
+#endif
+   if ( debug ) {
+      fprintf( stderr, "%s", msg );
+   }
+}
+#endif
+
+
+void _mesa_init_all_x86_64_transform_asm(void)
+{
+#ifdef USE_X86_64_ASM
+
+   if ( _mesa_getenv( "MESA_NO_ASM" ) ) {
+     return;
+   }
+
+   message("Initializing x86-64 optimizations\n");
+
+   ASSIGN_XFORM_GROUP( x86_64, 4 );
+
+   /*
+   _mesa_transform_tab[4][MATRIX_GENERAL] =
+      _mesa_x86_64_transform_points4_general;
+   _mesa_transform_tab[4][MATRIX_IDENTITY] =
+      _mesa_x86_64_transform_points4_identity;
+   _mesa_transform_tab[4][MATRIX_3D] =
+      _mesa_x86_64_transform_points4_3d;
+   _mesa_transform_tab[4][MATRIX_3D_NO_ROT] =
+      _mesa_x86_64_transform_points4_3d_no_rot;
+   _mesa_transform_tab[4][MATRIX_PERSPECTIVE] =
+      _mesa_x86_64_transform_points4_perspective;
+   _mesa_transform_tab[4][MATRIX_2D_NO_ROT] =
+      _mesa_x86_64_transform_points4_2d_no_rot;
+   _mesa_transform_tab[4][MATRIX_2D] =
+      _mesa_x86_64_transform_points4_2d;
+   */
+   
+#ifdef DEBUG
+   _math_test_all_transform_functions("x86_64");
+   _math_test_all_cliptest_functions("x86_64");
+   _math_test_all_normal_transform_functions("x86_64");
+#endif
+
+#endif
+}