Iirc invalidate_resource is to allow backend to discard the contents... On May 25, 2016 9:18 AM, "Philipp Zabel" <p.za...@pengutronix.de> wrote:
> Use the invalidate_resource pipe callback to invalidate external > textures when they are (re-)bound. This is needed to comply with the > requirement from the GL_OES_EGL_image_external extension that a call > to glBindTexture guarantees that all further sampling will return > values that correspond to the values in the external texture at or > after the time that glBindTexture was called. > > Signed-off-by: Philipp Zabel <p.za...@pengutronix.de> > --- > src/mesa/state_tracker/st_atom_texture.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/src/mesa/state_tracker/st_atom_texture.c > b/src/mesa/state_tracker/st_atom_texture.c > index 4b7ad77..96be2b2 100644 > --- a/src/mesa/state_tracker/st_atom_texture.c > +++ b/src/mesa/state_tracker/st_atom_texture.c > @@ -410,6 +410,10 @@ update_single_texture(struct st_context *st, > } > } > > + if (texObj->TargetIndex == TEXTURE_EXTERNAL_INDEX && > + st->pipe->invalidate_resource) > + st->pipe->invalidate_resource(st->pipe, stObj->pt); > + > *sampler_view = > st_get_texture_sampler_view_from_stobj(st, stObj, view_format, > glsl_version); > -- > 2.8.1 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev >
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