1/*
2 * Copyright 2014 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 "SkCommandLineFlags.h"
9#include "SkPicture.h"
10#include "SkPictureAnalyzer.h"
11#include "SkPictureRecorder.h"
12#include "SkStream.h"
13
14DEFINE_string2(readFile, r, "", "skp file to process.");
15DEFINE_bool2(quiet, q, false, "quiet");
16
17// This tool just loads a single skp, replays into a new SkPicture (to
18// regenerate the GPU-specific tracking information) and reports
19// the value of the suitableForGpuRasterization method.
20// Return codes:
21static const int kSuccess = 0;
22static const int kError = 1;
23
24int main(int argc, char** argv) {
25#if SK_SUPPORT_GPU
26    SkCommandLineFlags::SetUsage("Reports on an skp file's suitability for GPU rasterization");
27    SkCommandLineFlags::Parse(argc, argv);
28
29    if (FLAGS_readFile.count() != 1) {
30        if (!FLAGS_quiet) {
31            SkDebugf("Missing input file\n");
32        }
33        return kError;
34    }
35
36    SkFILEStream inputStream(FLAGS_readFile[0]);
37    if (!inputStream.isValid()) {
38        if (!FLAGS_quiet) {
39            SkDebugf("Couldn't open file\n");
40        }
41        return kError;
42    }
43
44    sk_sp<SkPicture> picture(SkPicture::MakeFromStream(&inputStream));
45    if (nullptr == picture) {
46        if (!FLAGS_quiet) {
47            SkDebugf("Could not read the SkPicture\n");
48        }
49        return kError;
50    }
51
52    // The SkPicture tracking information is only generated during recording
53    // an isn't serialized. Replay the picture to regenerated the tracking data.
54    SkPictureRecorder recorder;
55    picture->playback(recorder.beginRecording(picture->cullRect().width(),
56                                              picture->cullRect().height(),
57                                              nullptr, 0));
58    sk_sp<SkPicture> recorded(recorder.finishRecordingAsPicture());
59
60    if (SkPictureGpuAnalyzer(recorded).suitableForGpuRasterization(nullptr)) {
61        SkDebugf("suitable\n");
62    } else {
63        SkDebugf("unsuitable\n");
64    }
65
66    return kSuccess;
67#else
68    SkDebugf("gpuveto is only useful when GPU rendering is enabled\n");
69    return kError;
70#endif
71}
72