diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 07db5d3d374..7bb2d5259dc 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -3315,6 +3315,26 @@ fs_visitor::nir_emit_fs_intrinsic(const fs_builder &bld, break; } + case nir_intrinsic_load_output: { + const unsigned l = GET_FIELD(nir_intrinsic_base(instr), + BRW_NIR_FRAG_OUTPUT_LOCATION); + assert(l >= FRAG_RESULT_DATA0); + nir_const_value *const_offset = nir_src_as_const_value(instr->src[0]); + assert(const_offset && "Indirect output loads not allowed"); + const unsigned target = l - FRAG_RESULT_DATA0 + const_offset->u32[0]; + const fs_reg tmp = bld.vgrf(dest.type, 4); + + assert(!reinterpret_cast<const brw_wm_prog_key *>(key)->coherent_fb_fetch); + emit_non_coherent_fb_read(bld, tmp, target); + + for (unsigned j = 0; j < instr->num_components; j++) { + bld.MOV(offset(dest, bld, j), + offset(tmp, bld, nir_intrinsic_component(instr) + j)); + } + + break; + } + case nir_intrinsic_discard: case nir_intrinsic_discard_if: { /* We track our discarded pixels in f0.1. By predicating on it, we can |