Module: Mesa
Branch: master
Commit: 2d62fb6c3f7dd7261513253767cc63ff00fad9bb
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=2d62fb6c3f7dd7261513253767cc63ff00fad9bb
Author: Brian Paul <bri...@vmware.com>
Date: Wed Dec 8 19:00:44 2010 -0700
draw: setup instance ID for SSE generator
---
src/gallium/auxiliary/draw/draw_vs_sse.c | 6 ++++++
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 0b0c607..672efe2 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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