Initial checkin of the new Mozart compositor.

mojo/services/gfx/composition/cpp/formatting.cc

Index: mojo/services/gfx/composition/cpp/formatting.cc
diff --git a/mojo/services/gfx/composition/cpp/formatting.cc b/mojo/services/gfx/composition/cpp/formatting.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6aefebe106dd32203e17d68b65841c755cfc5367
--- /dev/null
+++ b/mojo/services/gfx/composition/cpp/formatting.cc
@@ -0,0 +1,184 @@
+// Copyright 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 "mojo/services/gfx/composition/cpp/formatting.h"
+
+#include <ostream>
+
+namespace mojo {
+namespace gfx {
+namespace composition {
+
+class Delimiter {
+ public:
+  Delimiter(std::ostream& os) : os_(os) {}
+
+  std::ostream& Append() {
+    if (need_comma_)
+      os_ << ", ";
+    else
+      need_comma_ = true;
+    return os_;
+  }
+
+ private:
+  std::ostream& os_;
+  bool need_comma_ = false;
+};
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::SceneToken& value) {
+  return os << "{value=" << value.value << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::SceneUpdate& value) {
+  os << "{";
+  Delimiter d(os);
+  if (value.clear_resources) {
+    d.Append() << "clear_resources=true";
+  }
+  if (value.clear_nodes) {
+    d.Append() << "clear_nodes=true";
+  }
+  if (value.resources) {
+    d.Append() << "resources=" << value.resources;
+  }
+  if (value.nodes) {
+    d.Append() << "nodes=" << value.nodes;
+  }
+  os << "}";
+  return os;
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::SceneMetadata& value) {
+  return os << "{version=" << value.version
+            << ", presentation_time=" << value.presentation_time << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::Resource& value) {
+  os << "{";
+  if (value.is_scene()) {
+    os << "scene=" << value.get_scene();
+  } else if (value.is_mailbox_texture()) {
+    os << "mailbox_texture=" << value.get_mailbox_texture();
+  } else {
+    os << "???";
+  }
+  return os << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::SceneResource& value) {
+  return os << "{scene_token=" << value.scene_token << "}";
+}
+
+std::ostream& operator<<(
+    std::ostream& os,
+    const mojo::gfx::composition::MailboxTextureResource& value) {
+  return os << "{sync_point=" << value.sync_point << ", size=" << value.size
+            << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::Node& value) {
+  os << "{";
+  Delimiter d(os);
+  if (value.content_transform)
+    d.Append() << "content_transform=" << value.content_transform;
+  if (value.content_clip)
+    d.Append() << "content_clip=" << value.content_clip;
+  if (value.hit_id != mojo::gfx::composition::kHitIdNone)
+    d.Append() << "hit_id=" << value.hit_id;
+  if (value.op)
+    d.Append() << "op=" << value.op;
+  d.Append() << "combinator=" << &value.combinator;
+  if (value.child_node_ids)
+    d.Append() << "child_node_ids=" << value.child_node_ids;
+  return os << "}";
+}
+
+std::ostream& operator<<(
+    std::ostream& os,
+    const mojo::gfx::composition::Node::Combinator* value) {
+  switch (*value) {
+    case mojo::gfx::composition::Node::Combinator::MERGE:
+      return os << "MERGE";
+    case mojo::gfx::composition::Node::Combinator::PRUNE:
+      return os << "PRUNE";
+    case mojo::gfx::composition::Node::Combinator::FALLBACK:
+      return os << "FALLBACK";
+    default:
+      return os << "???";
+  }
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::NodeOp& value) {
+  os << "{";
+  if (value.is_rect()) {
+    os << "rect=" << value.get_rect();
+  } else if (value.is_image()) {
+    os << "image=" << value.get_image();
+  } else if (value.is_scene()) {
+    os << "scene=" << value.get_scene();
+  } else if (value.is_layer()) {
+    os << "layer=" << value.get_layer();
+  } else {
+    os << "???";
+  }
+  return os << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::RectNodeOp& value) {
+  return os << "{content_rect=" << value.content_rect
+            << ", color=" << value.color << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::ImageNodeOp& value) {
+  return os << "{content_rect=" << value.content_rect
+            << ", image_rect=" << value.image_rect
+            << ", image_resource_id=" << value.image_resource_id
+            << ", blend=" << value.blend << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::SceneNodeOp& value) {
+  return os << "{scene_resource_id=" << value.scene_resource_id
+            << ", scene_version=" << value.scene_version << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::LayerNodeOp& value) {
+  return os << "{layer_size=" << value.layer_size << ", blend=" << value.blend
+            << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::Color& value) {
+  return os << "{red=" << static_cast<int>(value.red)
+            << ", green=" << static_cast<int>(value.green)
+            << ", blue=" << static_cast<int>(value.blue)
+            << ", alpha=" << static_cast<int>(value.alpha) << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::Blend& value) {
+  return os << "{alpha=" << static_cast<int>(value.alpha) << "}";
+}
+
+std::ostream& operator<<(std::ostream& os,
+                         const mojo::gfx::composition::FrameInfo& value) {
+  return os << "{frame_time=" << value.frame_time
+            << ", frame_interval=" << value.frame_interval
+            << ", frame_deadline=" << value.frame_deadline << "}";
+}
+
+}  // namespace composition
+}  // namespace gfx
+}  // namespace mojo