Add CCDelegatingRenderer, and corresponding IPCs

cc/ipc/cc_param_traits.cc

+// Copyright (c) 2012 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 "cc/ipc/cc_param_traits.h"
+
+#include "base/stringprintf.h"
+#include "cc/ipc/cc_render_pass_traits.h"
+#include "content/common/view_messages.h"
+
+namespace IPC {
+
+void ParamTraits<cc::Mailbox>::Write(Message* m, const param_type& p) {
+  m->WriteBytes(p.name, sizeof(p.name));
+}
+
+bool ParamTraits<cc::Mailbox>::Read(const Message* m,
+                                    PickleIterator* iter,
+                                    param_type* p) {
+  const char* bytes = NULL;
+  if (!m->ReadBytes(iter, &bytes, sizeof(p->name)))
+    return false;
+  DCHECK(bytes);
+  memcpy(p->name, bytes, sizeof(p->name));
+  return true;
+}
+
+void ParamTraits<cc::Mailbox>::Log(const param_type& p, std::string* l) {
+  for (size_t i = 0; i < sizeof(p.name); ++i)
+    *l += base::StringPrintf("%02x", p.name[i]);
+}
+
+void ParamTraits<WebKit::WebCompositorFrame>::Write(Message* m,
+                                                    const param_type& p) {
+  WriteParam(m, p.size);
+  WriteParam(m, p.resources);
+  WriteParam(m, p.render_passes.size());
+  for (size_t i = 0; i < p.render_passes.size(); ++i)
+    WriteParam(m, *p.render_passes[i]);
+}
+
+bool ParamTraits<WebKit::WebCompositorFrame>::Read(const Message* m,
+                                                   PickleIterator* iter,
+                                                   param_type* p) {
+  size_t render_passes;
+  if (!ReadParam(m, iter, &p->size) ||
+      !ReadParam(m, iter, &p->resources) ||
+      !ReadParam(m, iter, &render_passes))
+    return false;
+  for (size_t i = 0; i < render_passes; ++i) {
+    cc::CCRenderPass* render_pass = ParamTraits<cc::CCRenderPass>::ReadRenderPass(m, iter);
+    if (!render_pass) {
+        // TODO: leak
+        return false;
+    }
+    p->render_passes.push_back(render_pass);
+  }
+  return true;
+}
+
+void ParamTraits<WebKit::WebCompositorFrame>::Log(const param_type& p,
+                                                  std::string* l) {
+  LogParam(p.size, l);
+  LogParam(p.resources, l);
+}
+
+void ParamTraits<WebKit::WebCompositorFrameAck>::Write(Message* m,
+                                                       const param_type& p) {
+  WriteParam(m, p.resources);
+}
+
+bool ParamTraits<WebKit::WebCompositorFrameAck>::Read(const Message* m,
+                                                      PickleIterator* iter,
+                                                      param_type* p) {
+  return ReadParam(m, iter, &p->resources);
+}
+
+void ParamTraits<WebKit::WebCompositorFrameAck>::Log(const param_type& p,
+                                                     std::string* l) {
+  LogParam(p.resources, l);
+}
+
+}  // namespace IPC