r300g: Add another ZTOP condition.

I don't even know if texkill works right now.

diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index c59d446..2c62476 100644 (file)
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -517,6 +517,8 @@ static void r300_update_ztop(struct r300_context* r300)
      */
     if (r300->dsa_state->alpha_function) {
         r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
+    } else if (r300->fs->info.uses_kill) {
+        r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
     } else if (r300_fragment_shader_writes_depth(r300->fs)) {
         r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
     } else if (r300->query_current) {