1 /**************************************************************************
2  *
3  * Copyright 2010 Luca Barbieri
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the
14  * next paragraph) shall be included in all copies or substantial
15  * portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  *
25  **************************************************************************/
26 
27 #include "dxbc.h"
28 #include "sm4.h"
29 #include "../sm4_to_tgsi.h"
30 #include "tgsi/tgsi_dump.h"
31 #include <iostream>
32 #include <fstream>
33 
usage()34 void usage()
35 {
36 	std::cerr << "Gallium Direct3D10/11 Shader to TGSI converter\n";
37 	std::cerr << "This program is free software, released under a MIT-like license\n";
38 	std::cerr << "Not affiliated with or endorsed by Microsoft in any way\n";
39 	std::cerr << "Latest version available from http://cgit.freedesktop.org/mesa/mesa/\n";
40 	std::cerr << "\n";
41 	std::cerr << "Usage: dxbc2tgsi FILE\n";
42 	std::cerr << std::endl;
43 }
44 
main(int argc,char ** argv)45 int main(int argc, char** argv)
46 {
47 	if(argc < 2)
48 	{
49 		usage();
50 		return 1;
51 	}
52 
53 	std::vector<char> data;
54 	std::ifstream in(argv[1]);
55 	char c;
56 	in >> std::noskipws;
57 	while(in >> c)
58 		data.push_back(c);
59 	in.close();
60 
61 	dxbc_container* dxbc = dxbc_parse(&data[0], data.size());
62 	if(dxbc)
63 	{
64 		std::cout << *dxbc;
65 		dxbc_chunk_header* sm4_chunk = dxbc_find_shader_bytecode(&data[0], data.size());
66 		if(sm4_chunk)
67 		{
68 			sm4_program* sm4 = sm4_parse(sm4_chunk + 1, bswap_le32(sm4_chunk->size));
69 			if(sm4)
70 			{
71 				const struct tgsi_token* tokens = (const struct tgsi_token*)sm4_to_tgsi(*sm4);
72 				if(tokens)
73 				{
74 					std::cout << *sm4;
75 					std::cout << "\n# TGSI program: " << std::endl;
76 					tgsi_dump(tokens, 0);
77 				}
78 			}
79 		}
80 		delete dxbc;
81 	}
82 }
83