From a66e9a4d86d227b65874c43fbf9e299c7a26389f Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Sun, 26 Sep 2010 13:28:51 +0800 Subject: i965: Add support for attribute interpolation on Sandybridge. Things are simpler these days thanks to barycentric interpolation parameters being handed in in the payload. --- src/mesa/drivers/dri/i965/gen6_wm_state.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/mesa/drivers/dri/i965/gen6_wm_state.c') diff --git a/src/mesa/drivers/dri/i965/gen6_wm_state.c b/src/mesa/drivers/dri/i965/gen6_wm_state.c index 2cd640de17..afce1da666 100644 --- a/src/mesa/drivers/dri/i965/gen6_wm_state.c +++ b/src/mesa/drivers/dri/i965/gen6_wm_state.c @@ -151,6 +151,8 @@ upload_wm_state(struct brw_context *brw) if (fp->program.UsesKill || ctx->Color.AlphaEnabled) dw5 |= GEN6_WM_KILL_ENABLE; + dw6 |= GEN6_WM_PERSPECTIVE_PIXEL_BARYCENTRIC; + /* This should probably be FS inputs read */ dw6 |= brw_count_bits(brw->vs.prog_data->outputs_written) << GEN6_WM_NUM_SF_OUTPUTS_SHIFT; -- cgit v1.2.3