4 files changed, 33 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h
index 3ddfe88..985886d 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_vec4.h
@@ -463,6 +463,8 @@ protected:
    virtual void emit_urb_write_header(int mrf) = 0;
    virtual vec4_instruction *emit_urb_write_opcode(bool complete) = 0;
    virtual int compute_array_stride(ir_dereference_array *ir);
+   virtual void gs_emit_vertex(int stream_id);
+   virtual void gs_end_primitive();
 
 private:
    /**
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp
index 704644e..019efec 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.cpp
@@ -467,7 +467,7 @@ vec4_gs_visitor::set_stream_control_data_bits(unsigned stream_id)
 }
 
 void
-vec4_gs_visitor::visit(ir_emit_vertex *ir)
+vec4_gs_visitor::gs_emit_vertex(int stream_id)
 {
    this->current_annotation = "emit vertex: safety check";
 
@@ -481,7 +481,7 @@ vec4_gs_visitor::visit(ir_emit_vertex *ir)
     * be recorded by transform feedback, we can simply discard all geometry
     * bound to these streams when transform feedback is disabled.
     */
-   if (ir->stream_id() > 0 && shader_prog->TransformFeedback.NumVarying == 0)
+   if (stream_id > 0 && shader_prog->TransformFeedback.NumVarying == 0)
       return;
 
    /* To ensure that we don't output more vertices than the shader specified
@@ -560,7 +560,7 @@ vec4_gs_visitor::visit(ir_emit_vertex *ir)
           c->prog_data.control_data_format ==
              GEN7_GS_CONTROL_DATA_FORMAT_GSCTL_SID) {
           this->current_annotation = "emit vertex: Stream control data bits";
-          set_stream_control_data_bits(ir->stream_id());
+          set_stream_control_data_bits(stream_id);
       }
 
       this->current_annotation = "emit vertex: increment vertex count";
@@ -573,7 +573,13 @@ vec4_gs_visitor::visit(ir_emit_vertex *ir)
 }
 
 void
-vec4_gs_visitor::visit(ir_end_primitive *)
+vec4_gs_visitor::visit(ir_emit_vertex *ir)
+{
+   gs_emit_vertex(ir->stream_id());
+}
+
+void
+vec4_gs_visitor::gs_end_primitive()
 {
    /* We can only do EndPrimitive() functionality when the control data
     * consists of cut bits.  Fortunately, the only time it isn't is when the
@@ -623,6 +629,12 @@ vec4_gs_visitor::visit(ir_end_primitive *)
    emit(OR(dst_reg(this->control_data_bits), this->control_data_bits, mask));
 }
 
+void
+vec4_gs_visitor::visit(ir_end_primitive *)
+{
+   gs_end_primitive();
+}
+
 static const unsigned *
 generate_assembly(struct brw_context *brw,
                   struct gl_shader_program *shader_prog,
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h
index 54cd2a1..8cad570 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h
+++ b/src/mesa/drivers/dri/i965/brw_vec4_gs_visitor.h
@@ -87,6 +87,8 @@ protected:
    virtual int compute_array_stride(ir_dereference_array *ir);
    virtual void visit(ir_emit_vertex *);
    virtual void visit(ir_end_primitive *);
+   virtual void gs_emit_vertex(int stream_id);
+   virtual void gs_end_primitive();
 
 protected:
    int setup_varying_inputs(int payload_reg, int *attribute_map,
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index f6155a3..c5c0d2c 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -2994,12 +2994,25 @@ vec4_visitor::visit(ir_if *ir)
 }
 
 void
+vec4_visitor::gs_emit_vertex(int stream_id)
+{
+   unreachable("not reached");
+}
+
+void
 vec4_visitor::visit(ir_emit_vertex *)
 {
    unreachable("not reached");
 }
 
 void
+vec4_visitor::gs_end_primitive()
+{
+   unreachable("not reached");
+}
+
+
+void
 vec4_visitor::visit(ir_end_primitive *)
 {
    unreachable("not reached");