Abstract: A method and apparatus for accelerating animation in a video graphics system is accomplished by storing drawing operations for a first scene in a bus master buffer. The first scene is to be drawn to a first frame. A frame flip operation is then stored in the bus master buffer at a location subsequent to the drawing operations for the first scene such that when accessed by a graphics processor, the frame flip will be performed after the drawing operations for the first scene have completed. Drawing calculations for a second scene to be drawn to a second frame are performed, and the resulting drawing operations are stored in the bus master buffer at a location subsequent to the page flip operation. The graphics processor is signaled, and the graphics processor fetches and executes the commands in the bus master buffer sequentially such that the drawing operations to the first frame are performed first, followed by the frame flip operation and finally the drawing operations to the second frame.

Abstract: A method and apparatus for sequencing texture updates in a video graphics system is accomplished by storing a first portion of graphics data in a first position of a bus master buffer, where the first portion of the graphics data utilizes a texture. An indication of a texture update is then received, where the texture update, when performed, modifies the texture to produce an updated texture that is used by subsequent graphics data. The updated texture is stored in a second position of the bus master buffer. A second portion of the graphics data, which utilizes the updated texture, is then stored in a third position of the bus master buffer. The data in the bus master buffer is then accessed through a direct memory access transfer initiated by the graphics processor in the system. The bus master buffer data is accessed in a sequential manner, which ensures that the texture update does not occur until after the graphics data utilizing the original texture has been drawn.