On Fri, May 13, 2016 at 3:37 AM, Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl> wrote: > This allows running the TES on different CU's than the > TCS which results in performance improvements. > > Signed-off-by: Bas Nieuwenhuizen <b...@basnieuwenhuizen.nl> > Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com> > --- > src/gallium/drivers/radeonsi/si_shader.c | 11 ++++++++--- > src/gallium/drivers/radeonsi/si_state_shaders.c | 2 +- > 2 files changed, 9 insertions(+), 4 deletions(-) > > diff --git a/src/gallium/drivers/radeonsi/si_shader.c > b/src/gallium/drivers/radeonsi/si_shader.c > index d0f8318..087b5bb 100644 > --- a/src/gallium/drivers/radeonsi/si_shader.c > +++ b/src/gallium/drivers/radeonsi/si_shader.c > @@ -2598,12 +2598,17 @@ static void si_write_tess_factors(struct > lp_build_tgsi_context *bld_base, > byteoffset = LLVMBuildMul(gallivm->builder, rel_patch_id, > lp_build_const_int32(gallivm, 4 * stride), > ""); > > - /* Store the outputs. */ > + /* Store the dynamic HS control word. */ > + build_tbuffer_store_dwords(ctx, buffer, > + lp_build_const_int32(gallivm, 0x80000000), > + 1, lp_build_const_int32(gallivm, 0), > tf_base, 0); > +
Only one thread per wave needs to do this, e.g. if rel_patch_id and invocation_id are 0. Marek _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev