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1 /* | |
2 * Copyright 2016 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "stdio.h" | |
9 #include <fstream> | |
10 #include "SkSLCompiler.h" | |
11 | |
12 /** | |
13 * Very simple standalone executable to facilitate testing. | |
14 */ | |
15 int main(int argc, const char** argv) { | |
16 if (argc != 3) { | |
17 printf("usage: skslc <input> <output>\n"); | |
18 exit(1); | |
19 } | |
20 SkSL::Program::Kind kind; | |
21 size_t len = strlen(argv[1]); | |
22 if (len > 5 && !strcmp(argv[1] + strlen(argv[1]) - 5, ".vert")) { | |
23 kind = SkSL::Program::kVertex_Kind; | |
24 } else if (len > 5 && !strcmp(argv[1] + strlen(argv[1]) - 5, ".frag")) { | |
25 kind = SkSL::Program::kFragment_Kind; | |
26 } else { | |
27 printf("input filename must end in '.vert' or '.frag'\n"); | |
28 exit(1); | |
29 } | |
30 | |
31 std::ifstream in(argv[1]); | |
32 std::string text((std::istreambuf_iterator<char>(in)), | |
33 std::istreambuf_iterator<char>()); | |
34 if (in.rdstate()) { | |
35 printf("error reading '%s'\n", argv[1]); | |
36 exit(2); | |
37 } | |
38 std::ofstream out(argv[2], std::ofstream::binary); | |
39 SkSL::Compiler compiler; | |
40 if (!compiler.toSPIRV(kind, text, out)) { | |
41 printf("%s", compiler.errorText().c_str()); | |
42 exit(3); | |
43 } | |
44 if (out.rdstate()) { | |
dogben
2016/06/23 17:43:12
nit: out.close() before rdstate
| |
45 printf("error writing '%s'\n", argv[2]); | |
46 exit(4); | |
47 } | |
48 } | |
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