Re: [Mesa-dev] [virglrenderer-devel] virglrenderer on gles, format conversion

2019-03-14 Thread Erik Faye-Lund
On Wed, 2019-03-06 at 13:39 +1000, Dave Airlie wrote: > On Wed, 6 Mar 2019 at 01:01, Erik Faye-Lund > wrote: > > When we try to do a vrend transfer from a renderable texture, we > > end up > > using glReadPixels to read the data. However, OpenGL ES has > > restrictions on what formats are allowed

Re: [Mesa-dev] [virglrenderer-devel] virglrenderer on gles, format conversion

2019-03-05 Thread Dave Airlie
On Wed, 6 Mar 2019 at 01:01, Erik Faye-Lund wrote: > > When we try to do a vrend transfer from a renderable texture, we end up > using glReadPixels to read the data. However, OpenGL ES has > restrictions on what formats are allowed to be used for glReadPixels. > In partcular, only GL_UNSIGNED_BYTE