Hi, All I have tested some primitives which are not accelerated by hardware. Software fallbacks will lose almost 70% performance when hardware acceleration is enabled than software only.
I looked into the DirectFB and find out that extra FlushReadCache will be called when hardware acceleration is enabled. DirectFB uses this function to sync the memory between HW and SW. And this causes the performance losing when hardware acceleration is enabled. Am I right? And how to avoid such performance losing? -- Thanks, Yaowen.Feng
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