UI Resource Manager

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
===================================================================
--- cc/trees/layer_tree_host_impl.cc	(revision 210393)
+++ cc/trees/layer_tree_host_impl.cc	(working copy)
@@ -49,6 +49,7 @@
 #include "cc/trees/quad_culler.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "cc/trees/tree_synchronizer.h"
+#include "gpu/GLES2/gl2extchromium.h"
 #include "ui/gfx/size_conversions.h"
 #include "ui/gfx/vector2d_conversions.h"
 
@@ -564,6 +565,7 @@
     TRACE_EVENT0("cc",
                  "LayerTreeHostImpl::CalculateRenderPasses::EmptyDamageRect");
     frame->has_no_damage = true;
+
     // A copy request should cause damage, so we should not have any copy
     // requests in this case.
     DCHECK_EQ(0u, active_tree_->LayersWithCopyOutputRequest().size());
@@ -2362,4 +2364,43 @@
   debug_state_ = debug_state;
 }
 
+void LayerTreeHostImpl::CreateUIResource(UIResourceId uid,
+                                         scoped_refptr<UIResourceBitmap> bitmap,
+                                         bool async) {
+  ResourceProvider::ResourceId id =
+    resource_provider_->CreateGLTexture(bitmap->GetSize(),
+                                        GL_RGBA,
+                                        GL_TEXTURE_POOL_UNMANAGED_CHROMIUM,
+                                        ResourceProvider::TextureUsageAny);
+
+  ui_resource_map_[uid] = id;
+  gfx::Size bitmap_size = bitmap->GetSize();
+  resource_provider_->SetPixels(id,
+                                reinterpret_cast<uint8_t*>(bitmap->GetPixels()),
+                                gfx::Rect(1, 1, bitmap_size.width(),
+                                          bitmap_size.height()),
+                                gfx::Rect(1, 1, bitmap_size.width(),
+                                          bitmap_size.height()),
+                                gfx::Vector2d(0, 0));
+
+  client_->UIResourceCreatedOnImplThread(uid);
+}
+
+void LayerTreeHostImpl::DeleteUIResource(UIResourceId uid) {
+  ResourceProvider::ResourceId id = ResourceIdForUIResource(uid);
+  if (id) {
+    resource_provider_->DeleteResource(id);
+    ui_resource_map_.erase(uid);
+  }
+}
+
+ResourceProvider::ResourceId
+LayerTreeHostImpl::ResourceIdForUIResource(UIResourceId uid) const {
+  if (ui_resource_map_.find(uid) != ui_resource_map_.end()) {
+    return ui_resource_map_.find(uid)->second;
+  }
+  return 0;
+}
+
+
 }  // namespace cc