Add a new message to allow draw on every new texture within given fps limitation.

Submitting on behalf of zhurunz. Original issue @ http://codereview.chromium.org/1627007


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@43978 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 18 insertions, 1 deletions

diff --git a/o3d/core/cross/client.cc b/o3d/core/cross/client.cc
index c63c940..1785d7e1 100644
--- a/o3d/core/cross/client.cc
+++ b/o3d/core/cross/client.cc
@@ -80,6 +80,9 @@ Client::Client(ServiceLocator* service_locator)
       evaluation_counter_(service_locator),
       render_tree_called_(false),
       render_mode_(RENDERMODE_CONTINUOUS),
+#ifdef O3D_PLUGIN_SUPPORT_SET_MAX_FPS
+      texture_on_hold_(false),
+#endif  // O3D_PLUGIN_SUPPORT_SET_MAX_FPS
       event_manager_(),
       last_tick_time_(0),
       root_(NULL),
@@ -188,10 +191,11 @@ bool Client::Tick() {
   // Processes any incoming message found in the message queue.  Note that this
   // call does not block if no new messages are found.
   bool message_check_ok = true;
+  bool has_new_texture = false;
 
   if (message_queue_.get()) {
     profiler_->ProfileStart("CheckForNewMessages");
-    message_check_ok = message_queue_->CheckForNewMessages();
+    message_check_ok = message_queue_->CheckForNewMessages(&has_new_texture);
     profiler_->ProfileStop("CheckForNewMessages");
   }
 
@@ -202,6 +206,19 @@ bool Client::Tick() {
 
   last_tick_time_ = timer.GetElapsedTimeAndReset();
 
+#ifdef O3D_PLUGIN_SUPPORT_SET_MAX_FPS
+  texture_on_hold_ |= has_new_texture;
+  int max_fps = renderer_->max_fps();
+  if (max_fps > 0 &&
+      texture_on_hold_ &&
+      render_mode() == RENDERMODE_ON_DEMAND &&
+      render_elapsed_time_timer_.GetElapsedTimeWithoutClearing()
+        > 1.0/max_fps) {
+    renderer_->set_need_to_render(true);
+    texture_on_hold_ = false;
+  }
+#endif  // O3D_PLUGIN_SUPPORT_SET_MAX_FPS
+
   return message_check_ok;
 }