Core of the future vertex engine. Isn't built yet, nor will be for a while...

Checkpoint commit.

1 files changed, 93 insertions, 0 deletions

diff --git a/src/mesa/tnl/t_vtx_sse.c b/src/mesa/tnl/t_vtx_sse.c
new file mode 100644
index 00000000000..240d6cf8b96
--- /dev/null
+++ b/src/mesa/tnl/t_vtx_sse.c
@@ -0,0 +1,93 @@
+/* $XFree86$ */
+/**************************************************************************
+
+Copyright 2002 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
+on 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 THEIR 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Keith Whitwell <[email protected]>
+ */
+
+#include <stdio.h>
+#include <assert.h>
+#include "mem.h" 
+#include "simple_list.h" 
+#include "t_vtx_api.h"
+
+#if defined(USE_SSE_ASM)
+
+/* Build specialized versions of the immediate calls on the fly for
+ * the current state.  ???P4 SSE2 versions???
+ */
+
+
+static struct dynfn *makeSSENormal3fv( struct _vb *vb, int key )
+{
+   /* Requires P4 (sse2?)
+    */
+   static unsigned char temp[] = {
+      0x8b, 0x44, 0x24, 0x04,          	/*  mov    0x4(%esp,1),%eax */
+      0xba, 0x78, 0x56, 0x34, 0x12,   	/*  mov    $0x12345678,%edx */
+      0xf3, 0x0f, 0x7e, 0x00,          	/*  movq   (%eax),%xmm0 */
+      0x66, 0x0f, 0x6e, 0x48, 0x08,    	/*  movd   0x8(%eax),%xmm1 */
+      0x66, 0x0f, 0xd6, 0x42, 0x0c,    	/*  movq   %xmm0,0xc(%edx) */
+      0x66, 0x0f, 0x7e, 0x4a, 0x14,    	/*  movd   %xmm1,0x14(%edx) */
+      0xc3,                   	        /*  ret     */
+   };
+
+
+   struct dynfn *dfn = MALLOC_STRUCT( dynfn );
+   insert_at_head( &vb->dfn_cache.Normal3fv, dfn );
+   dfn->key = key;
+
+   dfn->code = ALIGN_MALLOC( sizeof(temp), 16 );
+   memcpy (dfn->code, temp, sizeof(temp));
+   FIXUP(dfn->code, 5, 0x0, (int)vb->normalptr); 
+   return dfn;
+}
+
+void _tnl_InitSSECodegen( struct dfn_generators *gen )
+{
+   /* Need to: 
+    *    - check kernel sse support
+    *    - check p4/sse2
+    */
+   (void) makeSSENormal3fv;
+}
+
+
+#else 
+
+void _tnl_InitSSECodegen( struct dfn_generators *gen )
+{
+   (void) gen;
+}
+
+#endif
+
+
+
+