tgsi_info.h revision df169457909e1985c65e8a19c245133d2f5f013d 
1/**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * 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, sub license, 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 portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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26 **************************************************************************/
27
28#ifndef TGSI_INFO_H
29#define TGSI_INFO_H
30
31#include "pipe/p_compiler.h"
32#include "pipe/p_shader_tokens.h"
33
34#if defined __cplusplus
35extern "C" {
36#endif
37
38/* This enum describes how an opcode calculates its result. */
39enum tgsi_output_mode {
40   /** The opcode produces no result. */
41   TGSI_OUTPUT_NONE            = 0,
42
43   /** When this opcode writes to a channel of the destination register,
44    *  it takes as arguments values from the same channel of the source
45    *  register(s).
46    *
47    *  Example: TGSI_OPCODE_ADD
48    */
49   TGSI_OUTPUT_COMPONENTWISE   = 1,
50
51   /** This opcode writes the same value to all enabled channels of the
52    * destination register.
53    *
54    *  Example: TGSI_OPCODE_RSQ
55    */
56   TGSI_OUTPUT_REPLICATE       = 2,
57
58   /** The operation performed by this opcode is dependent on which channel
59    *  of the destination register is being written.
60    *
61    *  Example: TGSI_OPCODE_LOG
62    */
63   TGSI_OUTPUT_CHAN_DEPENDENT  = 3,
64
65   /**
66    * Example: TGSI_OPCODE_TEX
67    */
68   TGSI_OUTPUT_OTHER           = 4
69};
70
71struct tgsi_opcode_info
72{
73   unsigned num_dst:3;
74   unsigned num_src:3;
75   unsigned is_tex:1;
76   unsigned is_branch:1;
77   int pre_dedent:2;
78   int post_indent:2;
79   enum tgsi_output_mode output_mode:3;
80   const char *mnemonic;
81   uint opcode;
82};
83
84const struct tgsi_opcode_info *
85tgsi_get_opcode_info( uint opcode );
86
87const char *
88tgsi_get_opcode_name( uint opcode );
89
90const char *
91tgsi_get_processor_name( uint processor );
92
93
94#if defined __cplusplus
95}
96#endif
97
98#endif /* TGSI_INFO_H */
99