Revert of gpu: play skp files through the command buffer

gpu/skia_runner/skia_runner.cc

Index: gpu/skia_runner/skia_runner.cc
diff --git a/gpu/skia_runner/skia_runner.cc b/gpu/skia_runner/skia_runner.cc
deleted file mode 100644
index a5efc7d99993750841e292b46d7662cab0049434..0000000000000000000000000000000000000000
--- a/gpu/skia_runner/skia_runner.cc
+++ /dev/null
@@ -1,221 +0,0 @@
-// Copyright (c) 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <iostream>
-
-#include "base/at_exit.h"
-#include "base/command_line.h"
-#include "base/files/file_enumerator.h"
-#include "base/files/file_util.h"
-#include "base/strings/string_number_conversions.h"
-#include "gpu/skia_runner/in_process_graphics_system.h"
-#include "gpu/skia_runner/sk_picture_rasterizer.h"
-#include "third_party/WebKit/public/platform/WebData.h"
-#include "third_party/WebKit/public/platform/WebImage.h"
-#include "third_party/WebKit/public/platform/WebSize.h"
-#include "third_party/skia/include/core/SkOSFile.h"
-#include "third_party/skia/include/core/SkPicture.h"
-#include "third_party/skia/include/core/SkStream.h"
-#include "ui/gfx/codec/png_codec.h"
-
-namespace {
-
-bool WriteSkImagePNG(const SkImage* image, const base::FilePath& path) {
-  DCHECK(!path.empty());
-
-  if (!image) {
-    std::cout << "Unable to write empty bitmap for " << path.value() << ".\n";
-    return false;
-  }
-
-  std::string file_path = path.MaybeAsASCII();
-  SkFILEWStream stream(file_path.c_str());
-  if (!stream.isValid()) {
-    std::cout << "Unable to write to " << file_path.c_str() << ".\n";
-    return false;
-  }
-
-  SkImageInfo info = SkImageInfo::Make(image->width(), image->height(),
-                                       SkColorType::kBGRA_8888_SkColorType,
-                                       SkAlphaType::kPremul_SkAlphaType);
-  SkImageInfo::MakeN32Premul(image->width(), image->height());
-
-  const size_t rowBytes = image->width() * sizeof(SkPMColor);
-  std::vector<SkPMColor> pixels(image->width() * image->height());
-
-  if (image->readPixels(info, pixels.data(), rowBytes, 0, 0)) {
-    std::vector<unsigned char> png_data;
-
-    if (gfx::PNGCodec::Encode(
-            reinterpret_cast<const unsigned char*>(pixels.data()),
-            gfx::PNGCodec::FORMAT_BGRA,
-            gfx::Size(image->width(), image->height()),
-            static_cast<int>(rowBytes), false,
-            std::vector<gfx::PNGCodec::Comment>(), &png_data)) {
-      if (stream.write(png_data.data(), png_data.size())) {
-        return true;
-      }
-    }
-  }
-
-  return false;
-}
-
-bool onDecode(const void* buffer, size_t size, SkBitmap* bm) {
-  blink::WebData web_data(static_cast<const char*>(buffer), size);
-  blink::WebImage image = blink::WebImage::fromData(web_data, blink::WebSize());
-  if (!image.isNull()) {
-    *bm = image.getSkBitmap();
-    return true;
-  }
-  std::cout << "Error decoding image.\n";
-  return false;
-}
-
-skia::RefPtr<SkPicture> ReadPicture(const base::FilePath& path) {
-  skia::RefPtr<SkPicture> picture;
-  std::string file_path = path.MaybeAsASCII();
-  SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(file_path.c_str()));
-  if (!stream.get()) {
-    std::cout << "Unable to read " << file_path.c_str() << ".\n";
-    return picture;
-  }
-
-  picture = skia::AdoptRef(SkPicture::CreateFromStream(stream.get(), onDecode));
-  if (!picture) {
-    std::cout << "Unable to load " << file_path.c_str()
-              << " as an SkPicture.\n";
-  }
-  return picture;
-}
-
-base::FilePath MakeDestinationFilename(
-    base::FilePath source_file,
-    base::FilePath destination_folder,
-    base::FilePath::StringType new_extension) {
-  base::FilePath filename = source_file.BaseName().RemoveExtension();
-  filename = filename.AddExtension(new_extension);
-  return destination_folder.AsEndingWithSeparator().Append(filename);
-}
-
-std::vector<std::pair<base::FilePath, base::FilePath>> GetSkpsToRasterize(
-    base::FilePath input_path,
-    base::FilePath output_path) {
-  std::vector<std::pair<base::FilePath, base::FilePath>> files;
-
-  if (base::DirectoryExists(input_path)) {
-    if (!base::DirectoryExists(output_path)) {
-      return files;
-    }
-    base::FilePath::StringType extension = FILE_PATH_LITERAL(".skp");
-    base::FileEnumerator file_iter(input_path, false,
-                                   base::FileEnumerator::FILES);
-    while (!file_iter.Next().empty()) {
-      if (file_iter.GetInfo().GetName().MatchesExtension(extension)) {
-        base::FilePath skp_file = file_iter.GetInfo().GetName();
-        skp_file = input_path.AsEndingWithSeparator().Append(skp_file);
-        base::FilePath png_file = MakeDestinationFilename(
-            skp_file, output_path, FILE_PATH_LITERAL("png"));
-        files.push_back(std::make_pair(skp_file, png_file));
-      }
-    }
-  } else {
-    // Single file passed. If the output file is a folder, make a name.
-    if (base::DirectoryExists(output_path)) {
-      output_path = MakeDestinationFilename(input_path, output_path,
-                                            FILE_PATH_LITERAL("png"));
-    }
-    files.push_back(std::make_pair(input_path, output_path));
-  }
-  return files;
-}
-
-static const char kHelpMessage[] =
-    "This program renders a skia SKP to a PNG using GPU rasterization via the\n"
-    "command buffer.\n\n"
-    "following command line flags to control its behavior:\n"
-    "\n"
-    "  --in-skp=skp[:DIRECTORY_PATH|FILE_PATH]\n"
-    "      Input SKP file. If a directory is provided, all SKP files will be\n"
-    "      converted.\n"
-    "  --out-png=png[:DIRECTORY_PATH|:FILE_PATH]\n"
-    "      Output PNG file. If a directory is provided, the SKP filename is "
-    "used.\n\n"
-    "  --use-lcd-text\n"
-    "      Turn on lcd text rendering.\n"
-    "  --use-distance-field-text\n"
-    "      Turn on distance field text rendering.\n"
-    "  --msaa-sample-count=(0|2|4|8|16)\n"
-    "      Turn on multi-sample anti-aliasing.\n"
-    "  --use-gl=(desktop|osmesa|egl|swiftshader)\n"
-    "      Specify Gl driver. --swiftshader-path required for swiftshader.\n";
-
-}  // namespace anonymous
-
-int main(int argc, char** argv) {
-  base::AtExitManager exit_manager;
-  base::CommandLine::Init(argc, argv);
-#if defined(OS_MACOSX)
-  base::mac::ScopedNSAutoreleasePool autorelease_pool;
-#endif
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  base::FilePath input_path(command_line->GetSwitchValuePath("in-skp"));
-  base::FilePath output_path(command_line->GetSwitchValuePath("out-png"));
-
-  if (input_path.empty() || output_path.empty()) {
-    std::cout << kHelpMessage;
-    return 0;
-  }
-
-  std::vector<std::pair<base::FilePath, base::FilePath>> files =
-      GetSkpsToRasterize(input_path, output_path);
-
-  if (files.empty()) {
-    if (!base::DirectoryExists(output_path))
-      std::cout << "You must specify an existing directory using '--out-png'\n";
-    else
-      std::cout << "No skp files found at " << input_path.value() << "\n";
-    return 0;
-  }
-
-  skia_runner::InProcessGraphicsSystem graphics_system;
-  if (!graphics_system.IsSuccessfullyInitialized()) {
-    LOG(ERROR) << "Unable to initialize rasterizer.";
-    return 0;
-  }
-
-  skia_runner::SkPictureRasterizer picture_rasterizer(
-      graphics_system.GetGrContext(), graphics_system.GetMaxTextureSize());
-
-  // Set up command-line render options.
-  picture_rasterizer.set_use_lcd_text(command_line->HasSwitch("use-lcd-text"));
-  picture_rasterizer.set_use_distance_field_text(
-      command_line->HasSwitch("use-distance-field-text"));
-
-  if (command_line->HasSwitch("msaa-sample-count")) {
-    std::string value = command_line->GetSwitchValueASCII("msaa-sample-count");
-    int msaa = 0;
-    if (base::StringToInt(value, &msaa))
-      picture_rasterizer.set_msaa_sample_count(msaa);
-
-    if (msaa != 0 && msaa != 2 && msaa != 4 && msaa != 8 && msaa != 16) {
-      std::cout << "Error: msaa sample count must be 0, 2, 4, 8 or 16.\n";
-      return 0;
-    }
-  }
-
-  for (auto file_pair : files) {
-    skia::RefPtr<SkPicture> picture = ReadPicture(file_pair.first);
-    if (!picture) {
-      std::cout << "Error reading: " << file_pair.first.value() << "\n";
-      continue;
-    }
-
-    skia::RefPtr<SkImage> image(picture_rasterizer.Rasterize(picture.get()));
-    if (!WriteSkImagePNG(image.get(), file_pair.second))
-      std::cout << "Error writing: " << file_pair.second.value() << "\n";
-    else
-      std::cout << file_pair.second.value() << " successfully created.\n";
-  }
-}