From 2d62fb6c3f7dd7261513253767cc63ff00fad9bb Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 8 Dec 2010 19:00:44 -0700
Subject: draw: setup instance ID for SSE generator

---
 src/gallium/auxiliary/draw/draw_vs_sse.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/gallium/auxiliary')

diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c
index 0b0c6077c6..672efe25cc 100644
--- a/src/gallium/auxiliary/draw/draw_vs_sse.c
+++ b/src/gallium/auxiliary/draw/draw_vs_sse.c
@@ -71,6 +71,12 @@ vs_sse_prepare( struct draw_vertex_shader *base,
    struct tgsi_exec_machine *machine = shader->machine;
 
    machine->Samplers = draw->vs.samplers;
+
+   if (base->info.uses_instanceid) {
+      unsigned i = machine->SysSemanticToIndex[TGSI_SEMANTIC_INSTANCEID];
+      assert(i < Elements(machine->SystemValue));
+      machine->SystemValue[i][0] = base->draw->instance_id;
+   }
 }
 
 
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