glsl2: Add flags to enable variable index lowering

1 files changed, 13 insertions, 0 deletions

diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index 227dfdbd50a..29b92821f6d 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -2745,6 +2745,19 @@ _mesa_ir_link_shader(GLcontext *ctx, struct gl_shader_program *prog)
 	 if (options->EmitNoNoise)
 	    progress = lower_noise(ir) || progress;
 
+	 /* If there are forms of indirect addressing that the driver
+	  * cannot handle, perform the lowering pass.
+	  */
+	 if (options->EmitNoIndirectInput || options->EmitNoIndirectOutput
+	     || options->EmitNoIndirectTemp || options->EmitNoIndirectUniform)
+	   progress =
+	     lower_variable_index_to_cond_assign(ir,
+						 options->EmitNoIndirectInput,
+						 options->EmitNoIndirectOutput,
+						 options->EmitNoIndirectTemp,
+						 options->EmitNoIndirectUniform)
+	     || progress;
+
 	 progress = do_vec_index_to_cond_assign(ir) || progress;
       } while (progress);