tgsi: move to using vector for system values.

For compute support some of the system values are .xyz types,
so move to using a vector instead of a single channel.

[airlied: squash swizzle fix from compute series].

Reviewed-by: Brian Paul <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gallium/auxiliary/draw/draw_gs.c b/src/gallium/auxiliary/draw/draw_gs.c
index ca03238885c..adba9316517 100644
--- a/src/gallium/auxiliary/draw/draw_gs.c
+++ b/src/gallium/auxiliary/draw/draw_gs.c
@@ -197,7 +197,7 @@ static void tgsi_gs_prepare(struct draw_geometry_shader *shader,
    if (shader->info.uses_invocationid) {
       unsigned i = machine->SysSemanticToIndex[TGSI_SEMANTIC_INVOCATIONID];
       for (j = 0; j < TGSI_QUAD_SIZE; j++)
-         machine->SystemValue[i].i[j] = shader->invocation_id;
+         machine->SystemValue[i].xyzw[0].i[j] = shader->invocation_id;
    }
 }