From: Brian Paul <brianp@vmware.com>
Date: Thu, 9 Dec 2010 02:00:44 +0000 (-0700)
Subject: draw: setup instance ID for SSE generator
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2d62fb6c3f7dd7261513253767cc63ff00fad9bb;p=mesa.git

draw: setup instance ID for SSE generator
---

diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c
index 0b0c6077c6f..672efe25cca 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;
+   }
 }