On Mon, Jun 10, 2019 at 06:58:30AM -0700, Rob Clark wrote:
> On Mon, Jun 10, 2019 at 6:53 AM Rob Clark <robdcl...@gmail.com> wrote:
> >
> > On Sat, Jun 8, 2019 at 6:08 PM Brian Masney <masn...@onstation.org> wrote:
> > >
> > > Hi,
> > >
> > > I'm trying to get the GPU working using the Freedreno driver (A330) on
> > > the Nexus 5 phone. I'm using kernel 5.2rc3 with some out of tree patches
> > > related to the GPU [1] and mesa 19.1.0-rc5 on postmarketOS. When I run
> > > glxgears, I see the gears show up for a fraction of a second and then
> > > it terminates due to the following error:
> > >
> > > -----
> > > shader: MESA_SHADER_FRAGMENT
> > > inputs: 1
> > > outputs: 1
> > > uniforms: 0
> > > shared: 0
> > > decl_var uniform INTERP_MODE_NONE sampler2D sampler (0, 0, 0)
> > > decl_var shader_in INTERP_MODE_SMOOTH vec4 in_0 (VARYING_SLOT_VAR0, 0, 0)
> > > decl_var shader_out INTERP_MODE_FLAT vec4 out_0 (FRAG_RESULT_DATA0, 0, 0)
> > > decl_function main (0 params)
> > >
> > > impl main {
> > > block block_0:
> > > /* preds: */
> > > vec1 32 ssa_0 = load_const (0x00000000 /* 0.000000 */)
> > > vec2 32 ssa_1 = intrinsic load_barycentric_pixel () (1) /*
> > > interp_mode=1 */
> > > vec4 32 ssa_2 = intrinsic load_interpolated_input (ssa_1, ssa_0)
> > > (0, 0) /* base=0 */ /* component=0 */ /* in_0 */
> > > vec1 32 ssa_3 = deref_var &sampler (uniform sampler2D)
> > > vec2 32 ssa_4 = vec2 ssa_2.x, ssa_2.y
> > > vec4 32 ssa_5 = tex ssa_3 (texture_deref), ssa_3 (sampler_deref),
> > > ssa_4 (coord)
> > > Unhandled NIR tex src type: 11
> >
> > This should be getting lowered somewhere.. and I don't *think* it
> > should be a3xx specific.
>
> It should be getting lowered in gl_nir_lower_samplers().. which should
> be called from mesa/st before the driver even sees this shader.
>
> Could you build mesa from git w/ latest 19.1, I guess this must have
> been fixed by now, since other drivers that use nir would hit the same
> issue.
This error doesn't happen on X11 using the mesa master branch. Instead,
I get the following error on that branch:
../src/gallium/drivers/freedreno/freedreno_batch.c:424:fd_batch_add_dep:
Assertion `!batch_depends_on(dep, batch)' failed.
Full disclosure though: I rebuilt the mesa package using the
postmarketOS packaging yesterday and it includes a few extra patches for
musl libc.
https://gitlab.com/postmarketOS/pmaports/tree/master/temp/mesa
Brian
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