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authorBrian Paul <[email protected]>2010-12-08 19:00:44 -0700
committerBrian Paul <[email protected]>2010-12-08 19:00:44 -0700
commit2d62fb6c3f7dd7261513253767cc63ff00fad9bb (patch)
treeda1de221ad5ab43d562bcc2ddaa7e2a87e4ee94f /src/gallium/auxiliary/draw
parent0be042cb4d256393750f7060d79bdaa2cd47d72e (diff)
draw: setup instance ID for SSE generator
Diffstat (limited to 'src/gallium/auxiliary/draw')
-rw-r--r--src/gallium/auxiliary/draw/draw_vs_sse.c6
1 files changed, 6 insertions, 0 deletions
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;
+ }
}