[Mesa-dev] [PATCH 029/133] i965/fs_nir: Add support for sample_pos and sample_id

Jason Ekstrand jason at jlekstrand.net
Mon Dec 15 22:04:39 PST 2014


---
 src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
index 22f4c0f..677bd8f 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp
@@ -1328,9 +1328,20 @@ fs_visitor::nir_emit_intrinsic(nir_intrinsic_instr *instr)
       break;
    }
 
-   case nir_intrinsic_load_sample_pos:
-   case nir_intrinsic_load_sample_id:
-      assert(!"TODO");
+   case nir_intrinsic_load_sample_pos: {
+      fs_reg *reg = emit_samplepos_setup();
+      dest.type = reg->type;
+      emit(MOV(dest, *reg));
+      emit(MOV(offset(dest, 1), offset(*reg, 1)));
+      break;
+   }
+
+   case nir_intrinsic_load_sample_id: {
+      fs_reg *reg = emit_sampleid_setup();
+      dest.type = reg->type;
+      emit(MOV(dest, *reg));
+      break;
+   }
 
    case nir_intrinsic_load_uniform_vec1:
    case nir_intrinsic_load_uniform_vec2:
-- 
2.2.0



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