METHODS AND SYSTEMS FOR IMPROVING RESOURCE UTILIZATION BY DELAYING RENDERING OF THREE DIMENSIONAL GRAPHICS

• US 20090189890A1
• Filed: 01/27/2009
• Published: 07/30/2009
• Est. Priority Date: 01/27/2008
• Status: Active Grant

• Current Assignee: Citrix Systems, Inc. (Cloud Software Group)
• Original Assignee: Citrix Systems, Inc. (Cloud Software Group)
• Inventors: Petrov, Julian, Rivera, Juan, Corbett, Tim
• Granted Patent: US 8,350,863 B2
• Time in Patent Office: Days
• US Class Current: 345/419
• CPC Class Codes: G06F 2209/509 Offload
• CPC Class Codes: G06F 3/14 Digital output to display device ; Cooperation and interconnection of the display device with other functional units
• CPC Class Codes: G06F 9/452 Remote windowing, e.g. X-Window System, desktop virtualisation protocols for virtual reality H04L67/131
• CPC Class Codes: G06F 9/453 Help systems
• CPC Class Codes: G06F 9/505 considering the load
• CPC Class Codes: G06T 15/005 General purpose rendering architectures
• CPC Class Codes: G06T 19/00 Manipulating 3D models or images for computer graphics
• CPC Class Codes: G06T 2200/16 involving adaptation to the client's capabilities
• CPC Class Codes: G09G 2340/02 Handling of images in compressed format, e.g. JPEG, MPEG

Abstract

Methods and systems for improving resource utilization when remoting three dimensional graphics commands that are generated by an application executing on a local computing machine. An agent that executes on a local computing machine intercepts a first call to a drawing library. The application generates this first call to request information from the drawing library. The agent further transmits a first frame that is generated by the application, to a remote computing machine, and prevents a return of the first call to the requesting application until the agent receives a notification indicating either the first frame was transmitted to the remote computing device or the first frame was rendered. Upon receiving such a notification, the agent permits the return of the first call to the requesting application.

Claims

1. A method for improving resource utilization when remoting three dimensional graphics commands generated by an application executing on a local computing machine, the method comprising:

intercepting, by an agent executing on a local computing machine, a first call to a drawing library, the first call generated by an application requesting information from the drawing library;

transmitting, by the agent, a first frame, generated by the application, to a remote computing machine;

preventing, upon failing to receive a notification indicating the first frame was rendered, a return of the first call to the requesting application;

receiving, by the agent, a notification, generated by the remote computing machine, indicating the first frame was rendered; and

permitting, by the agent, the return of the first call to the requesting application.

2. The method of claim 1, wherein intercepting a first call further comprises intercepting a first present call requesting to exchange a currently displayed image with an image rendered from the first frame.

3. The method of claim 1, wherein preventing the return of the first call further comprises preventing the return of the first call for a predetermined period of time.

4. The method of claim 1, wherein transmitting a first frame further comprises transmitting a first frame comprising three dimensional graphics commands generated by the application.

5. The method of claim 1, wherein the drawing library is a DirectX library.

6. The method of claim 1, wherein the drawing library is an OpenGL library.

7. The method of claim 1, wherein receiving a notification further comprises determining a network, used by the local computing machine to communicate with the remote computing machine, is not busy.

8. The method of claim 1, wherein receiving a notification further comprises:

receiving a notification that no further data can be transmitted over a network used by the local computing machine to communicate with the remote computing machine; and

determining the network is busy.

9. The method of claim 1, further comprising:

transmitting, by the agent to the remote computing machine, a second frame generated by the application;

receiving, by the agent, a notification indicating the second frame was rendered;

intercepting, by the agent, a second call generated by the application requesting information from the drawing library;

identifying, by the agent, an indicator that the second frame was rendered; and

permitting, by the agent, the second call to return to the requesting application.

10. A system for improving resource utilization when remoting three dimensional graphics commands generated by an application executing on a local computing machine, the system comprising:

a local computing machine executing an application generating a first call to a drawing library to request information from the drawing library, and generating a first frame; and

an agent executing on the local computing machine to;

intercept the first call to the drawing library,

transmit the first frame to a remote computing machine,

prevent, upon failing to receive notification indicating the first frame was rendered, a return of the first call to the requesting application,

receive a notification, generated by the remote computing machine, indicating that the first frame was rendered, and

permit the return of the first call to the requesting application.

11. The system of claim 10, wherein the first call further comprises a present call requesting to exchange a currently displayed image with an image rendered from the first frame.

12. The system of claim 10, wherein the agent prevents the return of the first call for a predetermined period of time.

13. The system of claim 10, wherein the first frame further comprises three dimensional graphics commands generated by the application.

14. The system of claim 10, wherein the drawing library is a DirectX library.

15. The system of claim 10, wherein the drawing library is an OpenGL library.

16. The system of claim 10, wherein the agent receives a notification by determining a network, used by the local computing machine to communicate with the remote computing machine, is not busy.

17. The system of claim 10, wherein the agent receives a notification by receiving a notification that no further data can be transmitted over a network used by the local computing machine to communicate with the remote computing machine, and determining the network is busy.

18. The system of claim 10, wherein the agent further executes on the local computing machine to:

transmit a second frame generated by the application,

receive a notification indicating the second frame was rendered,

intercept a second call generated by the application requesting information from the drawing library,

identify an indicator that the second frame was rendered, and

permit the second call to return to the requesting application.

19. A computer readable medium having instructions executable by a processor to improve resource utilization when remoting three dimensional graphics commands generated by an application executing on a local computing machine, the computer readable medium comprising:

instructions to intercept, by an agent executing on a local computing machine, a first call to a drawing library, the first call generated by an application requesting information from the drawing library;

instructions to transmit, by the agent, a first frame, generated by the application, to a remote computing machine;

instructions to prevent, upon failing to receive a notification indicating the first frame was rendered, a return of the first call to the requesting application;

instructions to receive, by the agent, a notification, generated by the remote computing machine, indicating the first frame was rendered; and

instructions to permit, by the agent, the return of the first call to the requesting application.