| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef COBALT_RENDERER_SUBMISSION_H_ |
| #define COBALT_RENDERER_SUBMISSION_H_ |
| |
| #include "base/callback.h" |
| #include "base/debug/trace_event.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/time.h" |
| #include "cobalt/render_tree/animations/animate_node.h" |
| #include "cobalt/render_tree/node.h" |
| |
| namespace cobalt { |
| namespace renderer { |
| |
| // A package of all information associated with a render tree submission. |
| struct Submission { |
| // Convenience constructor that assumes there are no animations and sets up |
| // an empty animation map. |
| explicit Submission(scoped_refptr<render_tree::Node> render_tree) |
| : render_tree(render_tree) {} |
| |
| // Submit a render tree as well as associated animations. The |
| // time_offset parameter indicates a time that will be used to offset all |
| // times passed into animation functions. |
| Submission(scoped_refptr<render_tree::Node> render_tree, |
| base::TimeDelta time_offset) |
| : render_tree(render_tree), time_offset(time_offset) {} |
| |
| ~Submission() { |
| TRACE_EVENT0("cobalt::renderer", "~Submission()"); |
| |
| // Explicitly dereference the render tree and animation under the scope of |
| // the above trace event. |
| render_tree = NULL; |
| } |
| |
| // Maintains the current render tree that is to be rendered next frame. |
| scoped_refptr<render_tree::Node> render_tree; |
| |
| // The time from some origin that the associated render tree animations were |
| // created. This permits the render thread to compute times relative |
| // to the same origin when updating the animations, as well as hinting |
| // at the latency between animation creation and submission to render |
| // thread. |
| base::TimeDelta time_offset; |
| |
| // If non-null, |on_rasterized_callback| will be called every time this |
| // submission is rasterized. |
| base::Closure on_rasterized_callback; |
| }; |
| |
| } // namespace renderer |
| } // namespace cobalt |
| |
| #endif // COBALT_RENDERER_SUBMISSION_H_ |