From ad6f3cd184fbfc566af0fda0cc36f84825021c1c Mon Sep 17 00:00:00 2001
From: Rudolf Cornelissen <rudolf.cornelissen@gmail.com>
Date: Mon, 13 Dec 2004 12:04:17 +0000
Subject: [PATCH] added programming of set of unknown registers for 3D acc
 setup

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10413 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 .../accelerants/nvidia/engine/nv_acc.c        | 65 ++++++++++++++++++-
 1 file changed, 64 insertions(+), 1 deletion(-)

diff --git a/src/add-ons/accelerants/nvidia/engine/nv_acc.c b/src/add-ons/accelerants/nvidia/engine/nv_acc.c
index f5e02ace60..13c6ccb788 100644
--- a/src/add-ons/accelerants/nvidia/engine/nv_acc.c
+++ b/src/add-ons/accelerants/nvidia/engine/nv_acc.c
@@ -636,7 +636,7 @@ status_t nv_acc_init()
 		ACCW(NV10_TIL7PT, ACCR(NV10_FBTIL7PT));
 		ACCW(NV10_TIL7ST, ACCR(NV10_FBTIL7ST));
 
-		/* setup pipe */
+		/* setup (clear) pipe */
 		/* set eyetype to local, lightning is off */
 		ACCW(NV10_XFMOD0, 0x10000000);
 		/* disable all lights */
@@ -687,6 +687,69 @@ status_t nv_acc_init()
 		for (cnt = 0; cnt < 4; cnt++) ACCW(NV10_PIPEDAT, 0x00000000);
 	}
 
+	/* setup PGRAPH unknown registers and modify (pre-cleared) pipe stuff for 3D use */
+//	if (si->ps.card_arch >= NV10A)
+	if (0)
+	{
+		/* setup unknown PGRAPH stuff */
+		ACCW(PGWHAT_00, 0x00000000);
+		ACCW(PGWHAT_01, 0x00000000);
+		ACCW(PGWHAT_02, 0x00000000);
+		ACCW(PGWHAT_03, 0x00000000);
+
+		ACCW(PGWHAT_04, 0x00001000);
+		ACCW(PGWHAT_05, 0x00001000);
+		ACCW(PGWHAT_06, 0x4003ff80);
+
+		ACCW(PGWHAT_07, 0x00000000);
+		ACCW(PGWHAT_08, 0x00000000);
+		ACCW(PGWHAT_09, 0x00000000);
+		ACCW(PGWHAT_0A, 0x00000000);
+		ACCW(PGWHAT_0B, 0x00000000);
+
+		ACCW(PGWHAT_0C, 0x00080008);
+		ACCW(PGWHAT_0D, 0x00080008);
+
+		ACCW(PGWHAT_0E, 0x00000000);
+		ACCW(PGWHAT_0F, 0x00000000);
+		ACCW(PGWHAT_10, 0x00000000);
+		ACCW(PGWHAT_11, 0x00000000);
+		ACCW(PGWHAT_12, 0x00000000);
+		ACCW(PGWHAT_13, 0x00000000);
+		ACCW(PGWHAT_14, 0x00000000);
+		ACCW(PGWHAT_15, 0x00000000);
+		ACCW(PGWHAT_16, 0x00000000);
+		ACCW(PGWHAT_17, 0x00000000);
+		ACCW(PGWHAT_18, 0x00000000);
+
+		ACCW(PGWHAT_19, 0x10000000);
+
+		ACCW(PGWHAT_1A, 0x00000000);
+		ACCW(PGWHAT_1B, 0x00000000);
+		ACCW(PGWHAT_1C, 0x00000000);
+		ACCW(PGWHAT_1D, 0x00000000);
+		ACCW(PGWHAT_1E, 0x00000000);
+		ACCW(PGWHAT_1F, 0x00000000);
+		ACCW(PGWHAT_20, 0x00000000);
+		ACCW(PGWHAT_21, 0x00000000);
+
+		ACCW(PGWHAT_22, 0x08000000);
+
+		ACCW(PGWHAT_23, 0x00000000);
+		ACCW(PGWHAT_24, 0x00000000);
+		ACCW(PGWHAT_25, 0x00000000);
+		ACCW(PGWHAT_26, 0x00000000);
+
+		ACCW(PGWHAT_27, 0x4b7fffff);
+
+		ACCW(PGWHAT_28, 0x00000000);
+		ACCW(PGWHAT_29, 0x00000000);
+		ACCW(PGWHAT_2A, 0x00000000);
+
+		/* setup window clipping */
+//
+	}
+
 	/*** setup acceleration engine command shortcuts (so via fifo) ***/
 	/* (b31 = 1 selects 'config' function?) */
 	ACCW(FIFO_00800000, 0x80000000); /* Raster OPeration */