nir: add nir_load_ring_gs2vs_offset_amd

Used by legacy GS output lowering.

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20158>

diff --git a/src/compiler/nir/nir_divergence_analysis.c b/src/compiler/nir/nir_divergence_analysis.c
index 0371291..60097d3 100644 (file)
--- a/src/compiler/nir/nir_divergence_analysis.c
+++ b/src/compiler/nir/nir_divergence_analysis.c
@@ -157,6 +157,7 @@ visit_intrinsic(nir_shader *shader, nir_intrinsic_instr *instr)
    case nir_intrinsic_load_sample_positions_amd:
    case nir_intrinsic_load_rasterization_samples_amd:
    case nir_intrinsic_load_ring_gsvs_amd:
+   case nir_intrinsic_load_ring_gs2vs_offset_amd:
    case nir_intrinsic_load_streamout_config_amd:
    case nir_intrinsic_load_streamout_write_index_amd:
    case nir_intrinsic_load_streamout_offset_amd:

diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index 8c8ac67..0447f17 100644 (file)
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -1374,6 +1374,8 @@ system_value("rasterization_samples_amd", 1)
 
 # Descriptor where GS outputs are stored for GS copy shader to read on GFX6-9
 system_value("ring_gsvs_amd", 4)
+# Write offset in gsvs ring for legacy GS shader
+system_value("ring_gs2vs_offset_amd", 1)
 
 # Streamout configuration
 system_value("streamout_config_amd", 1)