Graphics drawing apparatus and method of same

A graphics drawing apparatus comprising:

• a memory for storing drawing parameters, reading out the drawing parameters in a sequence according to an instruction of a read control signal, and transferring the same to a bus;
• a data transfer controller for receiving at least the data concerning the drawing type and outputting the read control signal for instructing to read out the drawing parameters to the memory in the sequence to be transferred defined in advance in accordance with the drawing type;
• a drawing engine having a plurality of drawing parameter registers corresponding to the drawing parameters, receiving specified drawing parameter register addresses and drawing parameter data transferred through the bus, setting drawing parameters corresponding to the address-specified drawing parameter registers, and drawing a graphic for the memory based on the set data;
• and
• an address generator for receiving at least the data concerning the drawing type, generating the drawing parameter register addresses of the drawing engine in the sequence of the drawing parameters to be transferred defined in advance in accordance with the drawing type, and outputting the generated drawing parameter register addresses to the drawing engine.

A graphics drawing apparatus comprising:

• a memory for storing drawing parameters, reading out the drawing parameters in a sequence according to an instruction of a read control signal, and transferring the same to a bus;
• a data transfer controller for receiving at least the data concerning the drawing type and outputting the read control signal for instructing to read out the drawing parameters to the memory in the sequence to be transferred-defined in advance in accordance with the drawing type;
• a drawing engine having a plurality of drawing parameter registers corresponding to the drawing parameters, receiving specified drawing parameter register addresses and drawing parameter data, setting drawing parameters corresponding to the address-specified drawing parameter registers, and drawing a graphic for the memory based on the set data;
• an address generator for receiving at least data concerning the drawing type, generating drawing parameter register addresses of the drawing engine in the sequence of the drawing parameters to be transferred defined in advance in accordance with the drawing type, and outputting the generated drawing parameter register addresses to the drawing engine;
• a former engine for receiving at least the data concerning the drawing type and outputting the drawing parameters in the sequence to be transferred defined in advance in accordance with the drawing type;
• a data selector for selecting either of the drawing parameters transferred through the bus or the drawing parameters output by the former engine in accordance with an instruction, and inputting the same to the drawing engine;
• and
• a control circuit for controlling the selection of the data selector and controlling the supply of data concerning the drawing type to the address generator, the data transfer controller, and the former engine.

A graphics drawing method for drawing for a memory based on drawing parameter data set in drawing parameter registers comprising:

• transferring drawing parameters in the sequence to be transferred defined in advance in accordance with a drawing type,
• generating drawing parameter register addresses of a drawing engine in the sequence of the drawing parameters to be transferred defined in advance in accordance with the drawing type,
• receiving the generated drawing parameter register addresses and the transferred drawing parameter data,
• setting the drawing parameters corresponding to the address-specified drawing parameter registers, and
• drawing for the memory based on the set data.

A graphics drawing method for drawing for a memory based on drawing parameter data set in a drawing parameter register comprising:

• reading drawing parameters from a memory in the sequence to be transferred defined in advance in accordance with a drawing type,
• transferring the drawing parameters in the read out sequence,
• generating drawing parameter register addresses of a drawing engine in the sequence of the drawing parameters to be transferred defined in advance in accordance with the drawing type,
• receiving the generated drawing parameter register addresses and the transferred drawing parameter data,
• setting the drawing parameters corresponding to the address-specified drawing parameter registers, and
• drawing for the memory based on the set data.

A graphics drawing apparatus for drawing graphics data comprising:

• a drawing engine having a plurality of drawing parameter registers corresponding to drawing parameters, setting drawing parameters in drawing parameter registers specified by address data, and drawing a graphic based on the set drawing parameters;
• an address generator for generating the address data in a sequence preset in accordance with the drawing type and outputting the generated address data to the drawing engine;
• and
• a former engine for outputting the drawing parameters to the drawing engine in accordance with the sequence.

A graphics drawing apparatus for drawing graphics data comprising:

• a drawing engine having a plurality of drawing parameter registers corresponding to drawing parameters, setting drawing parameters in drawing parameter registers specified by address data, and drawing a graphic based on the set drawing parameters;
• an address generator for generating the address data of the drawing engine in a sequence preset in accordance with the drawing type and outputting the generated address data to the drawing engine;
• a memory for storing drawing parameters, reading out drawing parameters in accordance with an instruction of a read control signal, and transferring it to a path connected to the drawing engine;
• and
• a data transfer controller for outputting to the memory the read control signal instructing it to read out the drawing parameters in the sequence.

A graphics drawing apparatus for drawing graphics data comprising:

• a drawing engine having a plurality of drawing parameter registers corresponding to drawing parameters, setting drawing parameters in drawing parameter registers specified by address data, and drawing based on the set drawing parameters;
• an address generator for generating the address data of the drawing engine in a sequence preset in accordance with the drawing type and outputting the generated address data to the drawing engine;
• a memory for storing drawing parameters and reading out drawing parameters in accordance with an instruction of a read control signal;
• a data transfer controller for outputting to the memory the read control signal instructing it to read out the drawing parameters in the sequence;
• a former engine for outputting the drawing parameters to the drawing engine in accordance with the sequence;
• and
• a selector for selectively supplying to the drawing engine the drawing parameters read out from the memory and the drawing parameters output from the former engine.