<div dir="ltr"> <div class="gmail_extra"> <div class="gmail_quote">On Fri, May 27, 2016 at 11:24 AM, Jordan Justen <<a href="mailto:jordan.l.justen@intel.com" target="_blank">jordan.l.justen@intel.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">v2: * simd16/32 fixes (curro) Signed-off-by: Jordan Justen <<a href="mailto:jordan.l.justen@intel.com">jordan.l.justen@intel.com</a>> --- src/compiler/nir/nir_intrinsics.h | 1 + src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 15 +++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/src/compiler/nir/nir_intrinsics.h b/src/compiler/nir/nir_intrinsics.h index aeb6038..6f86c9f 100644 --- a/src/compiler/nir/nir_intrinsics.h +++ b/src/compiler/nir/nir_intrinsics.h @@ -304,6 +304,7 @@ SYSTEM_VALUE(work_group_id, 3, 0, xx, xx, xx) SYSTEM_VALUE(user_clip_plane, 4, 1, UCP_ID, xx, xx) SYSTEM_VALUE(num_work_groups, 3, 0, xx, xx, xx) SYSTEM_VALUE(helper_invocation, 1, 0, xx, xx, xx) +SYSTEM_VALUE(channel_num, 1, 0, xx, xx, xx) </blockquote><div> </div><div>Might be good to make this channel_num_i965 since it is back-end specific. </div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> /* * Load operations pull data from some piece of GPU memory. All load diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 954bfab..c9e4b3c 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -3881,6 +3881,21 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr break; } + case nir_intrinsic_load_channel_num: { + fs_reg tmp = bld.vgrf(BRW_REGISTER_TYPE_UW); + dest = retype(dest, BRW_REGISTER_TYPE_UD); + const fs_builder allbld8 = bld.group(8, 0).exec_all(); + allbld8.MOV(tmp, brw_imm_v(0x76543210)); + if (dispatch_width > 8) + allbld8.ADD(byte_offset(tmp, 16), tmp, brw_imm_uw(8u)); + if (dispatch_width > 16) { + const fs_builder allbld16 = bld.group(16, 0).exec_all(); + allbld16.ADD(byte_offset(tmp, 32), tmp, brw_imm_uw(16u)); + } + bld.MOV(dest, tmp); + break; + } + default: unreachable("unknown intrinsic"); } -- 2.8.1 _______________________________________________ mesa-dev mailing list <a href="mailto:mesa-dev@lists.freedesktop.org">mesa-dev@lists.freedesktop.org</a> <a href="https://lists.freedesktop.org/mailman/listinfo/mesa-dev" rel="noreferrer" target="_blank">https://lists.freedesktop.org/mailman/listinfo/mesa-dev</a> </blockquote></div> </div></div>