Adding the iOS app and integration example with GlRenderer.

remoting/client/gl_renderer.cc

Index: remoting/client/gl_renderer.cc
diff --git a/remoting/client/gl_renderer.cc b/remoting/client/gl_renderer.cc
index 64ce7d31d537b0db9870ebe1a8a77bcb631153f5..76a9de5dc9763f32b739dffae976722c64effb0e 100644
--- a/remoting/client/gl_renderer.cc
+++ b/remoting/client/gl_renderer.cc
@@ -103,6 +103,11 @@ void GlRenderer::OnSurfaceCreated(int gl_version) {
   desktop_.SetCanvas(canvas_.get());
   cursor_.SetCanvas(canvas_.get());
   cursor_feedback_.SetCanvas(canvas_.get());
+
+  for (std::vector<GlDrawable*>::const_iterator dii = drawables.begin();

[Sergey Ulanov, 2016/12/19 23:50:21]

use range loop with auto:
  for (auto& drawable : drawables)

+       dii != drawables.end(); dii++) {
+    (*dii)->SetCanvas(canvas_.get());
+  }
 }
 
 void GlRenderer::OnSurfaceChanged(int view_width, int view_height) {
@@ -120,6 +125,10 @@ void GlRenderer::OnSurfaceDestroyed() {
   cursor_feedback_.SetCanvas(nullptr);
   cursor_.SetCanvas(nullptr);
   desktop_.SetCanvas(nullptr);
+  for (std::vector<GlDrawable*>::const_iterator dii = drawables.begin();

[Sergey Ulanov, 2016/12/19 23:50:21]

for (auto& drawable : drawables)

+       dii != drawables.end(); dii++) {
+    (*dii)->SetCanvas(nullptr);
+  }
   canvas_.reset();
 }
 
@@ -137,6 +146,11 @@ void GlRenderer::RequestRender() {
   render_scheduled_ = true;
 }
 
+void GlRenderer::AddDrawable(GlDrawable* d) {

[Sergey Ulanov, 2016/12/19 23:50:21]

s/d/drawable

+  d->SetCanvas(canvas_.get());
+  drawables.push_back(d);
+}
+
 void GlRenderer::OnRender() {
   DCHECK(thread_checker_.CalledOnValidThread());
   render_scheduled_ = false;
@@ -157,6 +171,11 @@ void GlRenderer::OnRender() {
     }
 
     cursor_.Draw();
+
+    for (std::vector<GlDrawable*>::const_iterator dii = drawables.begin();

[Sergey Ulanov, 2016/12/19 23:50:21]

for (auto& drawable : drawables)

+         dii != drawables.end(); dii++) {
+      (*dii)->Draw();
+    }
   }
 
   delegate_->OnFrameRendered();