[t:/]$ 지식_

DirectFB S3C6410 Performace Test + 2D Acc.

2009/01/08

2D 가속 드라이버 작성 중.
일부 기능 적용 결과.

적용한 기능에 대해서 4배이상 빨라졌음.
최적화 여지는 도처에 -_-;

문제는 기존 구조가 범용 설계라 손을 대자면 손을 댈 곳이 너무 많다.
범용 구조를 유지하는 선에서 최대한 H/W 기능을 끌어내는 방향으로 고쳐보자.

Benchmarking 256x256 on 800x464 RGB16 (16bit)...

Anti-aliased Text                              3.000 secs (   52.800 KChars/sec)
 [100.3%]
Anti-aliased Text (blend)                      3.151 secs (   19.422 KChars/sec)
 [100.0%]
Fill Rectangle                                 3.057 secs (*  90.039 MPixel/sec)
 [100.3%]
Fill Rectangle (blend)                         3.191 secs (    4.107 MPixel/sec)
 [100.0%]
Fill Rectangles [10]                           3.544 secs (*  92.460 MPixel/sec)
 [100.2%]
Fill Rectangles [10] (blend)                  15.876 secs (    4.127 MPixel/sec)
 [100.0%]
Fill Triangles                                 3.033 secs (   22.688 MPixel/sec)
 [100.3%]
Fill Triangles (blend)                         3.274 secs (    4.003 MPixel/sec)
 [100.0%]
Draw Rectangle                                 3.039 secs (    2.467 KRects/sec)
 [100.3%]
Draw Rectangle (blend)                         3.055 secs (    1.407 KRects/sec)
 [100.3%]
Draw Lines [10]                                3.009 secs (*  68.128 KLines/sec)
 [100.3%]
Draw Lines [10] (blend)                        3.135 secs (    6.379 KLines/sec)
 [100.0%]
Fill Spans                                     3.015 secs (*  41.299 MPixel/sec)
 [100.0%]
Fill Spans (blend)                             3.228 secs (    4.060 MPixel/sec)
 [100.3%]
Blit                                           3.023 secs (   45.526 MPixel/sec)
 [100.3%]
Blit 180                                       3.271 secs (   12.021 MPixel/sec)
 [100.0%]
Blit colorkeyed                                3.208 secs (   16.343 MPixel/sec)
 [100.3%]
Blit destination colorkeyed                    3.754 secs (    6.983 MPixel/sec)
 [100.2%]
Blit with format conversion                    3.081 secs (   17.016 MPixel/sec)
 [100.0%]
Blit with colorizing                           3.676 secs (    7.131 MPixel/sec)
 [100.0%]
Blit from 32bit (blend)                        5.075 secs (    2.582 MPixel/sec)
 [100.1%]
Blit from 32bit (blend) with colorizing        5.615 secs (    2.334 MPixel/sec)
 [100.0%]
Stretch Blit                                   3.284 secs (   21.069 MPixel/sec)
 [100.3%]
Stretch Blit colorkeyed                        3.783 secs (   13.146 MPixel/sec)
 [100.0%]








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