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VideoPlayHWGL代码的问题请教 #6

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liangrf opened this issue Mar 7, 2025 · 1 comment
Open

VideoPlayHWGL代码的问题请教 #6

liangrf opened this issue Mar 7, 2025 · 1 comment

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@liangrf
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liangrf commented Mar 7, 2025

VideoPlayHWGL代码中，硬件解码一帧后，调用了dataCopy接口，按注释是将数据从GPU拷贝到CPU。但是OpenGL应该可以直接使用GPU中的数据进行渲染，为什么要多进行这一次拷贝呢？
@liangrf
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liangrf commented Mar 18, 2025

应该是现在渲染方式是内存数据的渲染，显存数据的绑定方式或者格式和这种方式不同，所以需要拷贝到内存再渲染

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