Initial revision

1 files changed, 107 insertions, 0 deletions

diff --git a/src/mesa/x86/x86.c b/src/mesa/x86/x86.c
new file mode 100644
index 0000000000..fe3bb34c91
--- /dev/null
+++ b/src/mesa/x86/x86.c
@@ -0,0 +1,107 @@
+/* $Id: x86.c,v 1.1 1999/08/19 00:55:42 jtg Exp $ */
+
+/*
+ * 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.
+ */
+
+/*
+ * Intel x86 assembly code by Josh Vanderhoof
+ */
+
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "context.h"
+#include "types.h"
+#include "xform.h"
+#include "x86.h"
+
+
+
+#define XFORM_ARGS 	GLvector4f *to_vec, 		\
+			const GLmatrix *mat, 		\
+			const GLvector4f *from_vec, 	\
+			const GLubyte *mask, 		\
+			const GLubyte flag
+
+#define DECLARE_XFORM_GROUP(pfx, vsize, masked) \
+ extern void gl_##pfx##_transform_points##vsize##_general_##masked(XFORM_ARGS); 	\
+ extern void gl_##pfx##_transform_points##vsize##_identity_##masked(XFORM_ARGS); 	\
+ extern void gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked(XFORM_ARGS); 	\
+ extern void gl_##pfx##_transform_points##vsize##_perspective_##masked(XFORM_ARGS); 	\
+ extern void gl_##pfx##_transform_points##vsize##_2d_##masked(XFORM_ARGS); 		\
+ extern void gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked(XFORM_ARGS); 	\
+ extern void gl_##pfx##_transform_points##vsize##_3d_##masked(XFORM_ARGS);
+
+#define ASSIGN_XFORM_GROUP( pfx, cma, vsize, masked ) 		\
+ gl_transform_tab[cma][vsize][MATRIX_GENERAL] 			\
+  = gl_##pfx##_transform_points##vsize##_general_##masked; 	\
+ gl_transform_tab[cma][vsize][MATRIX_IDENTITY] 			\
+  = gl_##pfx##_transform_points##vsize##_identity_##masked; 	\
+ gl_transform_tab[cma][vsize][MATRIX_3D_NO_ROT] 		\
+  = gl_##pfx##_transform_points##vsize##_3d_no_rot_##masked; 	\
+ gl_transform_tab[cma][vsize][MATRIX_PERSPECTIVE] 		\
+  = gl_##pfx##_transform_points##vsize##_perspective_##masked; 	\
+ gl_transform_tab[cma][vsize][MATRIX_2D] 			\
+  = gl_##pfx##_transform_points##vsize##_2d_##masked; 		\
+ gl_transform_tab[cma][vsize][MATRIX_2D_NO_ROT] 		\
+  = gl_##pfx##_transform_points##vsize##_2d_no_rot_##masked; 	\
+ gl_transform_tab[cma][vsize][MATRIX_3D] 			\
+  = gl_##pfx##_transform_points##vsize##_3d_##masked;
+
+void gl_init_x86_asm_transforms( void )
+{
+#ifdef USE_X86_ASM
+   DECLARE_XFORM_GROUP( x86, 2, raw )
+   DECLARE_XFORM_GROUP( x86, 3, raw )
+   DECLARE_XFORM_GROUP( x86, 4, raw )
+   DECLARE_XFORM_GROUP( x86, 2, masked )
+   DECLARE_XFORM_GROUP( x86, 3, masked )
+   DECLARE_XFORM_GROUP( x86, 4, masked )
+
+   extern GLvector4f *gl_x86_cliptest_points4( GLvector4f *clip_vec, 
+                                               GLvector4f *proj_vec, 
+                                               GLubyte clipMask[],
+                                               GLubyte *orMask, 
+                                               GLubyte *andMask );
+
+   
+   ASSIGN_XFORM_GROUP( x86, 0, 2, raw )
+   ASSIGN_XFORM_GROUP( x86, 0, 3, raw )
+   ASSIGN_XFORM_GROUP( x86, 0, 4, raw )
+
+   ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 2, masked )
+   ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 3, masked )
+   ASSIGN_XFORM_GROUP( x86, CULL_MASK_ACTIVE, 4, masked )
+
+   gl_clip_tab[4] = gl_x86_cliptest_points4;
+
+#ifdef DEBUG
+   gl_test_all_transform_functions("x86");
+#endif
+
+#endif
+}