Re: [Mesa-dev] bad performance issue in GPU & CPU data sharing

2021-06-07 Thread Emma Anholt
On Mon, Jun 7, 2021 at 1:53 AM Zong, Wei wrote: > > > > > -Original Message- > > From: Palli, Tapani > > Sent: Thursday, June 3, 2021 1:23 PM > > To: Zong, Wei ; mesa-dev@lists.freedesktop.org > > Subject: Re: [Mesa-dev] bad performance iss

Re: [Mesa-dev] bad performance issue in GPU & CPU data sharing

2021-06-07 Thread Zong, Wei
> -Original Message- > From: Palli, Tapani > Sent: Thursday, June 3, 2021 1:23 PM > To: Zong, Wei ; mesa-dev@lists.freedesktop.org > Subject: Re: [Mesa-dev] bad performance issue in GPU & CPU data sharing > > Hi; > > On 5/31/21 12:33 PM, Zong, Wei wrot

Re: [Mesa-dev] bad performance issue in GPU & CPU data sharing

2021-06-02 Thread Tapani Pälli
Hi; On 5/31/21 12:33 PM, Zong, Wei wrote: Hello, I'm using GLES shader to run algorithms on image frames, I got very bad performance issue in GPU & CPU data sharing, especially retrieve data from GPU to CPU. Basically, I use */glGenBuffers/*/*/glBindBuffer/*/*/glBufferData(target, size,