From: Antia Puentes <apuen...@igalia.com>
---
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index d3bc84b..aa9c27d 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -864,6 +864,14 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
inst->saturate = instr->dest.saturate;
break;
+ case nir_op_fddx:
+ case nir_op_fddx_coarse:
+ case nir_op_fddx_fine:
+ case nir_op_fddy:
+ case nir_op_fddy_coarse:
+ case nir_op_fddy_fine:
+ unreachable("derivatives are not valid in vertex shaders");
+
default:
unreachable("Unimplemented ALU operation");
}
--
2.1.4
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