Method and portable electronic device for changing graphics processing resolution according to scenario

A portable electronic device, comprising at least one central processor, a graphics processor, a display adapter circuit, and a display, wherein

• the at least one central processor is configured to:
• determine a first display scenario, wherein the at least one central processor is configured to determine the first display scenario comprises the at least one central processor is configured to:
• obtain a first graphics frame sequence in the first display scenario;
• calculate an eigenvalue of the first graphics frame sequence, wherein a first graphics frame in a first model sequence is used as a first target graphics frame in the first graphics frame sequence, an eigenvalue of the first target graphics frame is used as the eigenvalue of the first graphics frame sequence, and the at least one central processor is configured to perform at least one of following operations:
• calculating a thread eigenvalue of the first target graphics frame according to a thread required for rendering the first target graphics frame;
• calculating a model eigenvalue of the first target graphics frame according to a model array of the first target graphics frame;
• calculating an address eigenvalue of the first target graphics frame according to a buffer address of a model comprised in the first target graphics frame;
• or
• performing weighted summation on the thread eigenvalue, the model eigenvalue, and the address eigenvalue, to obtain the eigenvalue of the first target graphics frame;
• and
• determine a display scenario type of the first graphics frame sequence according to the eigenvalue of the first graphics frame sequence, wherein the display scenario type comprises one of a scenario in which a game is being played or a scenario in which no game is being played, and wherein the scenario in which a game is being played is a scenario in which energy can be saved;
• and
• reduce graphics processing resolution of the graphics processor based on the determination;
• the graphics processor is configured to render at least one target graphics frame in the first display scenario according to the reduced graphics processing resolution to obtain at least one target image frame;
• the display adapter circuit is configured to adapt the at least one target image frame according to display resolution of the display;
• and
• the display is configured to display the at least one adapted target image frame.

A system, comprising at least one central processor and a graphics processor, wherein

• the at least one central processor is configured to:
• determine a first display scenario, wherein the at least one central processor is configured to determine the first display scenario comprises the at least one central processor is configured to:
• obtain a first graphics frame sequence in the first display scenario;
• calculate an eigenvalue of the first graphics frame sequence, wherein a first graphics frame in a first model sequence is used as a first target graphics frame in the first graphics frame sequence, an eigenvalue of the first target graphics frame is used as the eigenvalue of the first graphics frame sequence, and the at least one central processor is configured to perform at least one of following operations:
• calculating a thread eigenvalue of the first target graphics frame according to a thread required for rendering the first target graphics frame;
• calculating a model eigenvalue of the first target graphics frame according to a model array of the first target graphics frame;
• calculating an address eigenvalue of the first target graphics frame according to a buffer address of a model comprised in the first target graphics frame;
• or
• performing weighted summation on the thread eigenvalue, the model eigenvalue, and the address eigenvalue, to obtain the eigenvalue of the first target graphics frame;
• and
• determine a display scenario type of the first graphics frame sequence according to the eigenvalue of the first graphics frame sequence, wherein the display scenario type comprises one of a scenario in which a game is being played or a scenario in which no game is being played, and wherein the scenario in which a game is being played is a scenario in which energy can be saved;
• and
• reduce graphics processing resolution of the graphics processor in response to the determination;
• and
• the graphics processor is configured to render at least one target graphics frame in the first display scenario according to the reduced graphics processing resolution to obtain at least one target image frame.