1 files changed, 61 insertions, 0 deletions
diff --git a/src/mesa/x86/norm_args.h b/src/mesa/x86/norm_args.h
new file mode 100644
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+++ b/src/mesa/x86/norm_args.h
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+/* $Id: norm_args.h,v 1.1 2001/03/28 20:44:44 gareth Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * Copyright (C) 1999-2001  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.
+ */
+
+/*
+ * Normal transform function interface for assembly code.  Simply define
+ * FRAME_OFFSET to the number of bytes pushed onto the stack before
+ * using the ARG_* argument macros.
+ *
+ * Gareth Hughes <[email protected]>
+ */
+
+#ifndef __NORM_ARGS_H__
+#define __NORM_ARGS_H__
+
+/* Offsets for normal_func arguments
+ *
+ * typedef void (*normal_func)( CONST GLmatrix *mat,
+ *                              GLfloat scale,
+ *                              CONST GLvector3f *in,
+ *                              CONST GLfloat lengths[],
+ *                              CONST GLubyte mask[],
+ *                              GLvector3f *dest );
+ */
+#define OFFSET_MAT	4
+#define OFFSET_SCALE	8
+#define OFFSET_IN	12
+#define OFFSET_LENGTHS	16
+#define OFFSET_MASK	20
+#define OFFSET_DEST	24
+
+#define ARG_MAT         REGOFF(FRAME_OFFSET+OFFSET_MAT, ESP)
+#define ARG_SCALE       REGOFF(FRAME_OFFSET+OFFSET_SCALE, ESP)
+#define ARG_IN          REGOFF(FRAME_OFFSET+OFFSET_IN, ESP)
+#define ARG_LENGTHS     REGOFF(FRAME_OFFSET+OFFSET_LENGTHS, ESP)
+#define ARG_MASK        REGOFF(FRAME_OFFSET+OFFSET_MASK, ESP)
+#define ARG_DEST        REGOFF(FRAME_OFFSET+OFFSET_DEST, ESP)
+
+#endif