1/*
2 Copyright (C) Intel Corp.  2006.  All Rights Reserved.
3 Intel funded Tungsten Graphics to
4 develop this 3D driver.
5
6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files (the
8 "Software"), to deal in the Software without restriction, including
9 without limitation the rights to use, copy, modify, merge, publish,
10 distribute, sublicense, and/or sell copies of the Software, and to
11 permit persons to whom the Software is furnished to do so, subject to
12 the following conditions:
13
14 The above copyright notice and this permission notice (including the
15 next paragraph) shall be included in all copies or substantial
16 portions of the Software.
17
18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25
26 **********************************************************************/
27 /*
28  * Authors:
29  *   Keith Whitwell <keithw@vmware.com>
30  */
31
32
33#include "brw_context.h"
34#include "brw_defines.h"
35#include "brw_eu.h"
36
37
38void brw_math_invert( struct brw_codegen *p,
39			     struct brw_reg dst,
40			     struct brw_reg src)
41{
42   gen4_math(p,
43	     dst,
44	     BRW_MATH_FUNCTION_INV,
45	     0,
46	     src,
47	     BRW_MATH_PRECISION_FULL);
48}
49
50
51
52void brw_copy4(struct brw_codegen *p,
53	       struct brw_reg dst,
54	       struct brw_reg src,
55	       unsigned count)
56{
57   unsigned i;
58
59   dst = vec4(dst);
60   src = vec4(src);
61
62   for (i = 0; i < count; i++)
63   {
64      unsigned delta = i*32;
65      brw_MOV(p, byte_offset(dst, delta),    byte_offset(src, delta));
66      brw_MOV(p, byte_offset(dst, delta+16), byte_offset(src, delta+16));
67   }
68}
69
70
71void brw_copy8(struct brw_codegen *p,
72	       struct brw_reg dst,
73	       struct brw_reg src,
74	       unsigned count)
75{
76   unsigned i;
77
78   dst = vec8(dst);
79   src = vec8(src);
80
81   for (i = 0; i < count; i++)
82   {
83      unsigned delta = i*32;
84      brw_MOV(p, byte_offset(dst, delta),    byte_offset(src, delta));
85   }
86}
87
88
89void brw_copy_indirect_to_indirect(struct brw_codegen *p,
90				   struct brw_indirect dst_ptr,
91				   struct brw_indirect src_ptr,
92				   unsigned count)
93{
94   unsigned i;
95
96   for (i = 0; i < count; i++)
97   {
98      unsigned delta = i*32;
99      brw_MOV(p, deref_4f(dst_ptr, delta),    deref_4f(src_ptr, delta));
100      brw_MOV(p, deref_4f(dst_ptr, delta+16), deref_4f(src_ptr, delta+16));
101   }
102}
103
104
105void brw_copy_from_indirect(struct brw_codegen *p,
106			    struct brw_reg dst,
107			    struct brw_indirect ptr,
108			    unsigned count)
109{
110   unsigned i;
111
112   dst = vec4(dst);
113
114   for (i = 0; i < count; i++)
115   {
116      unsigned delta = i*32;
117      brw_MOV(p, byte_offset(dst, delta),    deref_4f(ptr, delta));
118      brw_MOV(p, byte_offset(dst, delta+16), deref_4f(ptr, delta+16));
119   }
120}
121
122
123
124
125