gpuveto tool

tools/gpuveto.cpp

+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "LazyDecodeBitmap.h"
+#include "SkCommandLineFlags.h"
+#include "SkPicture.h"
+#include "SkPictureRecorder.h"
+#include "SkStream.h"
+
+DEFINE_string2(readFile, r, "", "skp file to process.");
+DEFINE_bool2(quiet, q, false, "quiet");
+
+// This tool just loads a single skp, replays into a new SkPicture (to
+// regenerate the GPU-specific tracking information) and then returns
+// the value of the suitableForGpuRasterization method.
+// Return codes:
+static const int kUnsuitable = 0;
+static const int kSuitable = 1;
+static const int kError = 2;
+
+int tool_main(int argc, char** argv);
+int tool_main(int argc, char** argv) {
+    SkCommandLineFlags::SetUsage("Reports on an skp file's suitability for GPU rasterization");
+    SkCommandLineFlags::Parse(argc, argv);
+
+    if (FLAGS_readFile.count() != 1) {
+        if (!FLAGS_quiet) {
+            SkDebugf("Missing input file\n");
+        }
+        return kError;
+    }
+
+    SkFILEStream inputStream(FLAGS_readFile[0]);
+    if (!inputStream.isValid()) {
+        if (!FLAGS_quiet) {
+            SkDebugf("Couldn't open file\n");
+        }
+        return kError;
+    }
+
+    SkPicture::InstallPixelRefProc proc = &sk_tools::LazyDecodeBitmap;
+
+    SkAutoTUnref<SkPicture> picture(SkPicture::CreateFromStream(&inputStream, proc));
+    if (NULL == picture.get()) {
+        if (!FLAGS_quiet) {
+            SkDebugf("Could not read the SkPicture\n");
+        }
+        return kError;
+    }
+
+    SkPictureRecorder recorder;
+    picture->draw(recorder.beginRecording(picture->width(), picture->height(), NULL, 0));
+    SkAutoTUnref<SkPicture> recorded(recorder.endRecording());
+
+    return recorded->suitableForGpuRasterization(NULL) ? kSuitable : kUnsuitable;

[bsalomon, 2014/04/25 13:54:43]

Should the tool really return an error code rather than something pipeable
(stdout)? I imagine most of our scripts use the convention that the tool failed
on a non-zero return. I could be off here, though.

[rmistry, 2014/04/25 16:22:19]

Yes lets please return an error code.

+}
+
+#if !defined SK_BUILD_FOR_IOS
+int main(int argc, char * const argv[]) {
+    return tool_main(argc, (char**) argv);
+}
+#endif