iris: Drop XXX about alpha testing

I was misreading i965 - the 3DSTATE_WM::PixelShaderKillsPixel bit from
Gen < 8 needed all of this, but the 3DSTATE_PS_EXTRA bit only needs
prog_data->uses_kill.

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index 2cf9c62..8191141 100644 (file)
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -3392,9 +3392,7 @@ iris_store_fs_state(struct iris_context *ice,
    iris_pack_command(GENX(3DSTATE_PS_EXTRA), psx_state, psx) {
       psx.PixelShaderValid = true;
       psx.PixelShaderComputedDepthMode = wm_prog_data->computed_depth_mode;
-      // XXX: alpha test / alpha to coverage :/
-      psx.PixelShaderKillsPixel = wm_prog_data->uses_kill ||
-                                  wm_prog_data->uses_omask;
+      psx.PixelShaderKillsPixel = wm_prog_data->uses_kill;
       psx.AttributeEnable = wm_prog_data->num_varying_inputs != 0;
       psx.PixelShaderUsesSourceDepth = wm_prog_data->uses_src_depth;
       psx.PixelShaderUsesSourceW = wm_prog_data->uses_src_w;