X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fx86-64%2Fx86-64.c;h=d484038ee78547e9cd961cd0f71ccbb111b038fa;hb=6aea39641a6c32f780c40e3344096d3e0eccb590;hp=b8b236a5452149911d774ae7e24f6d65e994b11c;hpb=64dc397d8b6a0b1b87fde0a4f20a57fab2664ef2;p=mesa.git

diff --git a/src/mesa/x86-64/x86-64.c b/src/mesa/x86-64/x86-64.c
index b8b236a5452..d484038ee78 100644
--- a/src/mesa/x86-64/x86-64.c
+++ b/src/mesa/x86-64/x86-64.c
@@ -1,8 +1,6 @@
-/* $Id: x86-64.c,v 1.4 2006/10/17 17:03:21 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  6.3
  *
  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  *
@@ -19,9 +17,10 @@
  * 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
  */
 
 /*
@@ -36,13 +35,16 @@
 #include "math/m_xform.h"
 #include "tnl/t_context.h"
 #include "x86-64.h"
-#include "../x86/common_x86_macros.h"
+#include "../x86/x86_xform.h"
 
 #ifdef DEBUG
 #include "math/m_debug.h"
 #endif
 
+extern void _mesa_x86_64_cpuid(unsigned int *regs);
+
 DECLARE_XFORM_GROUP( x86_64, 4 )
+DECLARE_XFORM_GROUP( 3dnow, 4 )
 
 #else
 /* just to silence warning below */
@@ -62,17 +64,7 @@ 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 ) {
+   if (getenv("MESA_DEBUG")) {
       _mesa_debug( NULL, "%s", msg );
    }
 }
@@ -82,31 +74,40 @@ static void message( const char *msg )
 void _mesa_init_all_x86_64_transform_asm(void)
 {
 #ifdef USE_X86_64_ASM
+   unsigned int regs[4];
 
-   if ( _mesa_getenv( "MESA_NO_ASM" ) ) {
+   if ( 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;
-   */
+
+   regs[0] = 0x80000001;
+   regs[1] = 0x00000000;
+   regs[2] = 0x00000000;
+   regs[3] = 0x00000000;
+   _mesa_x86_64_cpuid(regs);
+   if (regs[3] & (1U << 31)) {
+      message("3Dnow! detected\n");
+      _mesa_transform_tab[4][MATRIX_3D_NO_ROT] =
+	  _mesa_3dnow_transform_points4_3d_no_rot;
+      _mesa_transform_tab[4][MATRIX_PERSPECTIVE] =
+	  _mesa_3dnow_transform_points4_perspective;
+      _mesa_transform_tab[4][MATRIX_2D_NO_ROT] =
+	  _mesa_3dnow_transform_points4_2d_no_rot;
+      _mesa_transform_tab[4][MATRIX_2D] =
+	  _mesa_3dnow_transform_points4_2d;
+
+   }
+
    
 #ifdef DEBUG_MATH
    _math_test_all_transform_functions("x86_64");