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 reports
+// the value of the suitableForGpuRasterization method.
+// Return codes:
+static const int kSuccess = 0;
+static const int kError = 1;
+
+int tool_main(int argc, char** argv);
+int tool_main(int argc, char** argv) {
+#if SK_SUPPORT_GPU
+    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;
+    }
+
+    // The SkPicture tracking information is only generated during recording
+    // an isn't serialized. Replay the picture to regenerated the tracking data.
+    SkPictureRecorder recorder;
+    picture->draw(recorder.beginRecording(picture->width(), picture->height(), NULL, 0));
+    SkAutoTUnref<SkPicture> recorded(recorder.endRecording());
+
+    if (recorded->suitableForGpuRasterization(NULL)) {

[bsalomon, 2014/04/25 19:41:31]

don't we need to pass a grcontext? I guess the current impl doesn't use it...

[robertphillips, 2014/04/25 21:05:08]

Right - this is just the first pass. We will also need to add a config parameter
to this tool.

+        SkDebugf("suitable\n");
+    } else {
+        SkDebugf("unsuitable\n");
+    }
+    
+    return kSuccess;
+#else
+    SkDebugf("gpuveto is only useful when GPU rendering is enabled\n");
+    return kError;
+#endif
+}
+
+#if !defined SK_BUILD_FOR_IOS
+int main(int argc, char * const argv[]) {
+    return tool_main(argc, (char**) argv);
+}
+#endif