Revert "xp:trapezoids"

This reverts commit f429fb9d872950705e11171d0e7407fb7673c786.

An experimental patch I forgot was on my main branch as I was bugfixing.
ARGH!

1 files changed, 25 insertions, 0 deletions

diff --git a/src/i830_driver.c b/src/i830_driver.c
index b7717c79..eed755c4 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -824,6 +824,31 @@ enum pipe {
 	PIPE_B,
 };
 
+/**
+ * Intialiazes the hardware for the 3D pipeline use in the 2D driver.
+ *
+ * Some state caching is performed to avoid redundant state emits.  This
+ * function is also responsible for marking the state as clobbered for DRI
+ * clients.
+ */
+void IntelEmitInvarientState(ScrnInfoPtr scrn)
+{
+	intel_screen_private *intel = intel_get_screen_private(scrn);
+
+	/* If we've emitted our state since the last clobber by another client,
+	 * skip it.
+	 */
+	if (intel->last_3d != LAST_3D_OTHER)
+		return;
+
+	if (!IS_I965G(intel)) {
+		if (IS_I9XX(intel))
+			I915EmitInvarientState(scrn);
+		else
+			I830EmitInvarientState(scrn);
+	}
+}
+
 static void
 I830BlockHandler(int i, pointer blockData, pointer pTimeout, pointer pReadmask)
 {