ethannicholas | b3058bd | 2016-07-01 08:22:01 -0700 | [diff] [blame^] | 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()) { |
| 45 | printf("error writing '%s'\n", argv[2]); |
| 46 | exit(4); |
| 47 | } |
| 48 | } |