mesa: refactor x86 code

Move _mesa_init_all_x86_transform_asm() into x86.c so that common_x86.c
has no dependencies on the vertex transformation code.
Plus some comments and clean-ups.

1 files changed, 50 insertions, 0 deletions

diff --git a/src/mesa/x86/x86.c b/src/mesa/x86/x86.c
index ce649f66b0b..c2df5e31e6e 100644
--- a/src/mesa/x86/x86.c
+++ b/src/mesa/x86/x86.c
@@ -34,6 +34,7 @@
 
 #include "x86.h"
 #include "common_x86_macros.h"
+#include "common_x86_asm.h"
 
 #ifdef DEBUG_MATH
 #include "math/m_debug.h"
@@ -93,3 +94,52 @@ void _mesa_init_x86_transform_asm( void )
 #endif
 }
 
+
+void _mesa_init_all_x86_transform_asm( void )
+{
+   _mesa_get_x86_features();
+
+#ifdef USE_X86_ASM
+   if ( _mesa_x86_cpu_features ) {
+      _mesa_init_x86_transform_asm();
+   }
+
+#ifdef USE_MMX_ASM
+   if ( cpu_has_mmx ) {
+      if ( _mesa_getenv( "MESA_NO_MMX" ) == 0 ) {
+         _mesa_debug(NULL, "MMX cpu detected.\n");
+      } else {
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_MMX);
+      }
+   }
+#endif
+
+#ifdef USE_3DNOW_ASM
+   if ( cpu_has_3dnow ) {
+      if ( _mesa_getenv( "MESA_NO_3DNOW" ) == 0 ) {
+         _mesa_debug(NULL, "3DNow! cpu detected.\n");
+         _mesa_init_3dnow_transform_asm();
+      } else {
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_3DNOW);
+      }
+   }
+#endif
+
+#ifdef USE_SSE_ASM
+   if ( cpu_has_xmm ) {
+      if ( _mesa_getenv( "MESA_NO_SSE" ) == 0 ) {
+         _mesa_debug(NULL, "SSE cpu detected.\n");
+         if ( _mesa_getenv( "MESA_FORCE_SSE" ) == 0 ) {
+            _mesa_check_os_sse_support();
+         }
+         if ( cpu_has_xmm ) {
+            _mesa_init_sse_transform_asm();
+         }
+      } else {
+         _mesa_debug(NULL, "SSE cpu detected, but switched off by user.\n");
+         _mesa_x86_cpu_features &= ~(X86_FEATURE_XMM);
+      }
+   }
+#endif
+#endif
+}