Module: Mesa Branch: master Commit: 440cd835de6f0555812f2ddecb5abf42bf32991a URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=440cd835de6f0555812f2ddecb5abf42bf32991a
Author: Jonathan Marek <[email protected]> Date: Sun Dec 8 18:16:34 2019 -0500 etnaviv: add missing vs_needs_z_div handling to NIR backend Signed-off-by: Jonathan Marek <[email protected]> Reviewed-by: Christian Gmeiner <[email protected]> --- src/gallium/drivers/etnaviv/etnaviv_compiler_nir.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/etnaviv/etnaviv_compiler_nir.c b/src/gallium/drivers/etnaviv/etnaviv_compiler_nir.c index 4cf48b46e78..c481b890456 100644 --- a/src/gallium/drivers/etnaviv/etnaviv_compiler_nir.c +++ b/src/gallium/drivers/etnaviv/etnaviv_compiler_nir.c @@ -96,10 +96,30 @@ etna_lower_io(nir_shader *shader, struct etna_shader_variant *v) ssa->parent_instr); } break; case nir_intrinsic_store_deref: { + nir_deref_instr *deref = nir_src_as_deref(intr->src[0]); + if (shader->info.stage == MESA_SHADER_VERTEX && + v->shader->specs->vs_need_z_div && + deref->var->data.location == VARYING_SLOT_POS) { + + assert(deref->deref_type == nir_deref_type_var); + + b.cursor = nir_before_instr(instr); + + nir_ssa_def *out[4]; + out[0] = nir_channel(&b, intr->src[1].ssa, 0); + out[1] = nir_channel(&b, intr->src[1].ssa, 1); + out[2] = nir_fmul_imm(&b, nir_fadd(&b, nir_channel(&b, intr->src[1].ssa, 2), + nir_channel(&b, intr->src[1].ssa, 3)), + 0.5f); + out[3] = nir_channel(&b, intr->src[1].ssa, 3); + + nir_instr_rewrite_src(instr, &intr->src[1], + nir_src_for_ssa(nir_vec(&b, out, 4))); + } + if (shader->info.stage != MESA_SHADER_FRAGMENT || !v->key.frag_rb_swap) break; - nir_deref_instr *deref = nir_src_as_deref(intr->src[0]); assert(deref->deref_type == nir_deref_type_var); if (deref->var->data.location != FRAG_RESULT_COLOR && _______________________________________________ mesa-commit mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-commit
