- EXPLOITING FRAME TO FRAME COHERENCY IN A SORT-MIDDLE ARCHITECTURE

摘要

The pixel values computed in the previous frame operate in a mid-classification architecture and can be reused for the current frame. A hash or some other reduced representation of all data used in the tile, including all triangles, jerseys, textures, shaders, etc., is calculated and stored for each tile. When rendering the next frame, such a reduced representation is calculated once for each tile. In a mid-classification architecture, there is a natural breakpoint just prior to rasterization. At this breakpoint, the reduced representation can be compared to the reduced representation computed in the previous frame for the same tile. If such a reduced representation is the same, there is no need to render anything for these tiles. Instead, the contents of the color buffer or other buffer of the previous frame of the tile may be moved to the same buffer of the tile for the current frame.