1/*
2 * Copyright 2010 Tom Stellard <tstellar@gmail.com>
3 *
4 * All Rights Reserved.
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#include "radeon_program_constants.h"
29
30#ifndef RADEON_PROGRAM_UTIL_H
31#define RADEON_PROGRAM_UTIL_H
32
33#include "radeon_opcodes.h"
34
35struct radeon_compiler;
36struct rc_instruction;
37struct rc_pair_instruction;
38struct rc_pair_sub_instruction;
39struct rc_src_register;
40
41unsigned int rc_swizzle_to_writemask(unsigned int swz);
42
43rc_swizzle get_swz(unsigned int swz, rc_swizzle idx);
44
45unsigned int rc_init_swizzle(unsigned int initial_value, unsigned int channels);
46
47unsigned int combine_swizzles4(unsigned int src,
48			       rc_swizzle swz_x, rc_swizzle swz_y,
49			       rc_swizzle swz_z, rc_swizzle swz_w);
50
51unsigned int combine_swizzles(unsigned int src, unsigned int swz);
52
53rc_swizzle rc_mask_to_swizzle(unsigned int mask);
54
55unsigned swizzle_mask(unsigned swizzle, unsigned mask);
56
57unsigned int rc_adjust_channels(
58	unsigned int old_swizzle,
59	unsigned int conversion_swizzle);
60
61void rc_pair_rewrite_writemask(
62	struct rc_pair_sub_instruction * sub,
63	unsigned int conversion_swizzle);
64
65void rc_normal_rewrite_writemask(
66	struct rc_instruction * inst,
67	unsigned int conversion_swizzle);
68
69unsigned int rc_rewrite_swizzle(
70	unsigned int swizzle,
71	unsigned int new_mask);
72
73struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg);
74
75void reset_srcreg(struct rc_src_register* reg);
76
77unsigned int rc_src_reads_dst_mask(
78		rc_register_file src_file,
79		unsigned int src_idx,
80		unsigned int src_swz,
81		rc_register_file dst_file,
82		unsigned int dst_idx,
83		unsigned int dst_mask);
84
85unsigned int rc_source_type_swz(unsigned int swizzle);
86
87unsigned int rc_source_type_mask(unsigned int mask);
88
89unsigned int rc_inst_can_use_presub(
90	struct rc_instruction * inst,
91	rc_presubtract_op presub_op,
92	unsigned int presub_writemask,
93	const struct rc_src_register * replace_reg,
94	const struct rc_src_register * presub_src0,
95	const struct rc_src_register * presub_src1);
96
97int rc_get_max_index(
98	struct radeon_compiler * c,
99	rc_register_file file);
100
101unsigned int rc_pair_remove_src(
102	struct rc_instruction * inst,
103	unsigned int src_type,
104	unsigned int source,
105	unsigned int new_readmask);
106
107rc_opcode rc_get_flow_control_inst(struct rc_instruction * inst);
108
109struct rc_instruction * rc_match_endloop(struct rc_instruction * endloop);
110struct rc_instruction * rc_match_bgnloop(struct rc_instruction * bgnloop);
111
112unsigned int rc_make_conversion_swizzle(
113	unsigned int old_mask,
114	unsigned int new_mask);
115
116unsigned int rc_src_reg_is_immediate(
117	struct radeon_compiler * c,
118	unsigned int file,
119	unsigned int index);
120
121float rc_get_constant_value(
122	struct radeon_compiler * c,
123	unsigned int index,
124	unsigned int swizzle,
125	unsigned int negate,
126	unsigned int chan);
127
128unsigned int rc_get_scalar_src_swz(unsigned int swizzle);
129
130#endif /* RADEON_PROGRAM_UTIL_H */
131