Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
4358 Serge 1 
/*
2 
 * Copyright (C) 2008 Nicolai Haehnle.
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 
#ifndef __RADEON_PROGRAM_PAIR_H_
29 
#define __RADEON_PROGRAM_PAIR_H_
30 
 
31 
#include "radeon_code.h"
32 
#include "radeon_opcodes.h"
33 
#include "radeon_program_constants.h"
34 
 
35 
struct radeon_compiler;
36 
 
37 
 
38 
/**
39 
 * \file
40 
 * Represents a paired ALU instruction, as found in R300 and R500
41 
 * fragment programs.
42 
 *
43 
 * Note that this representation is taking some liberties as far
44 
 * as register files are concerned, to allow separate register
45 
 * allocation.
46 
 *
47 
 * Also note that there are some subtleties in that the semantics
48 
 * of certain opcodes are implicitly changed in this representation;
49 
 * see \ref rc_pair_translate
50 
 */
51 
 
52 
/* For rgb and alpha instructions when arg[n].Source = RC_PAIR_PRESUB_SRC, then
53 
 * the presubtract value will be used, and
54 
 * {RGB,Alpha}.Src[RC_PAIR_PRESUB_SRC].File will be set to RC_FILE_PRESUB.
55 
 */
56 
#define RC_PAIR_PRESUB_SRC 3
57 
 
58 
struct rc_pair_instruction_source {
59 
	unsigned int Used:1;
60 
	unsigned int File:4;
61 
	unsigned int Index:RC_REGISTER_INDEX_BITS;
62 
};
63 
 
64 
struct rc_pair_instruction_arg {
65 
	unsigned int Source:2;
66 
	unsigned int Swizzle:12;
67 
	unsigned int Abs:1;
68 
	unsigned int Negate:1;
69 
};
70 
 
71 
struct rc_pair_sub_instruction {
72 
	unsigned int Opcode:8;
73 
	unsigned int DestIndex:RC_REGISTER_INDEX_BITS;
74 
	unsigned int WriteMask:4;
75 
	unsigned int Target:2;
76 
	unsigned int OutputWriteMask:3;
77 
	unsigned int DepthWriteMask:1;
78 
	unsigned int Saturate:1;
79 
	unsigned int Omod:3;
80 
 
81 
	struct rc_pair_instruction_source Src[4];
82 
	struct rc_pair_instruction_arg Arg[3];
83 
};
84 
 
85 
struct rc_pair_instruction {
86 
	struct rc_pair_sub_instruction RGB;
87 
	struct rc_pair_sub_instruction Alpha;
88 
 
89 
	unsigned int WriteALUResult:2;
90 
	unsigned int ALUResultCompare:3;
91 
	unsigned int Nop:1;
92 
	unsigned int SemWait:1;
93 
};
94 
 
95 
typedef void (*rc_pair_foreach_src_fn)
96 
			(void *, struct rc_pair_instruction_source *);
97 
 
98 
/**
99 
 * General helper functions for dealing with the paired instruction format.
100 
 */
101 
/*@{*/
102 
int rc_pair_alloc_source(struct rc_pair_instruction *pair,
103 
	unsigned int rgb, unsigned int alpha,
104 
	rc_register_file file, unsigned int index);
105 
 
106 
void rc_pair_foreach_source_that_alpha_reads(
107 
	struct rc_pair_instruction * pair,
108 
	void * data,
109 
	rc_pair_foreach_src_fn cb);
110 
 
111 
void rc_pair_foreach_source_that_rgb_reads(
112 
	struct rc_pair_instruction * pair,
113 
	void * data,
114 
	rc_pair_foreach_src_fn cb);
115 
 
116 
struct rc_pair_instruction_source * rc_pair_get_src(
117 
	struct rc_pair_instruction * pair_inst,
118 
	struct rc_pair_instruction_arg * arg);
119 
 
120 
int rc_pair_get_src_index(
121 
	struct rc_pair_instruction * pair_inst,
122 
	struct rc_pair_instruction_source * src);
123 
/*@}*/
124 
 
125 
 
126 
/**
127 
 * Compiler passes that operate with the paired format.
128 
 */
129 
/*@{*/
130 
struct radeon_pair_handler;
131 
 
132 
void rc_pair_translate(struct radeon_compiler *cc, void *user);
133 
void rc_pair_schedule(struct radeon_compiler *cc, void *user);
134 
void rc_pair_regalloc(struct radeon_compiler *cc, void *user);
135 
void rc_pair_regalloc_inputs_only(struct radeon_compiler *cc, void *user);
136 
void rc_pair_remove_dead_sources(struct radeon_compiler *c, void *user);
137 
/*@}*/
138 
 
139 
#endif /* __RADEON_PROGRAM_PAIR_H_ */