From: Vladimir Dergachev <volodya@freedesktop.org>
Date: Thu, 30 Dec 2004 07:50:15 +0000 (+0000)
Subject: Change default RS settings so that glxgears will display something..
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=51050efe0e1cc8fb690808e1258eea96a57a54c5;p=mesa.git

Change default RS settings so that glxgears will display something..
---

diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index e668e97da9a..841ad4ff432 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -382,6 +382,8 @@ void r300InitCmdBuf(r300ContextPtr r300)
 		r300->hw.unk4E50.cmd[0] = cmducs(0x4E50, 9);
 	ALLOC_STATE( unk4E88, always, 2, "unk4E88", 0 );
 		r300->hw.unk4E88.cmd[0] = cmducs(0x4E88, 1);
+	ALLOC_STATE( unk4EA0, always, 3, "unk4EA0 R350 only", 0 );
+		r300->hw.unk4EA0.cmd[0] = cmducs(0x4EA0, 2);
 	ALLOC_STATE( zc, always, R300_ZC_CMDSIZE, "zc", 0 );
 		r300->hw.zc.cmd[R300_ZC_CMD_0] = cmducs(R300_RB3D_ZCNTL_0, 2);
 	ALLOC_STATE( unk4F08, always, 2, "unk4F08", 0 );
@@ -461,6 +463,7 @@ void r300InitCmdBuf(r300ContextPtr r300)
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.cb);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4E50);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4E88);
+	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4EA0);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.zc);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4F08);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4F10);
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index a548789fb2e..6333f31a8cf 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -290,6 +290,7 @@ struct r300_hw_state {
 	struct r300_state_atom cb;	/* colorbuffer (4E28) */
 	struct r300_state_atom unk4E50;	/* (4E50) */
 	struct r300_state_atom unk4E88;	/* (4E88) */
+	struct r300_state_atom unk4EA0;	/* (4E88) I saw it only written on RV350 hardware..  */
 	struct r300_state_atom zc;	/* z control (4F00) */
 	struct r300_state_atom unk4F08;	/* (4F08) */
 	struct r300_state_atom unk4F10;	/* (4F10) */
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index f76056d6cb0..8724c9b9bf0 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -421,15 +421,20 @@ void r300ResetHwState(r300ContextPtr r300)
 	r300->hw.unk42C0.cmd[1] = 0x4B7FFFFF;
 	r300->hw.unk42C0.cmd[2] = 0x00000000;
 
-	r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7;
+	/* The second constant is needed to get glxgears display anything .. */
+	r300->hw.rc.cmd[1] = R300_RS_CNTL_0_UNKNOWN_7 | R300_RS_CNTL_0_UNKNOWN_18;
 	r300->hw.rc.cmd[2] = 0;
 
 	for(i = 1; i <= 8; ++i)
-		r300->hw.ri.cmd[i] = 0;
+		r300->hw.ri.cmd[i] = 0x00d10000;
+	r300->hw.ri.cmd[R300_RI_INTERP_1] |= R300_RS_INTERP_1_UNKNOWN;
+	r300->hw.ri.cmd[R300_RI_INTERP_2] |= R300_RS_INTERP_2_UNKNOWN;
+	r300->hw.ri.cmd[R300_RI_INTERP_3] |= R300_RS_INTERP_3_UNKNOWN;
 
 	((drm_r300_cmd_header_t*)r300->hw.rr.cmd)->unchecked_state.count = 1;
 	for(i = 1; i <= 8; ++i)
-		r300->hw.rr.cmd[1] = 0;
+		r300->hw.rr.cmd[i] = 0;
+	r300->hw.rr.cmd[R300_RR_ROUTE_0] = 0x4000;
 
 	r300->hw.unk43A4.cmd[1] = 0x0000001C;
 	r300->hw.unk43A4.cmd[2] = 0x2DA49525;
@@ -495,6 +500,9 @@ void r300ResetHwState(r300ContextPtr r300)
 
 	r300->hw.unk4E88.cmd[1] = 0;
 
+	r300->hw.unk4EA0.cmd[1] = 0x00000000;
+	r300->hw.unk4EA0.cmd[2] = 0xffffffff;
+
 	r300->hw.unk4F08.cmd[1] = 0x00FFFF00;
 
 	r300->hw.unk4F10.cmd[1] = 0x00000002; // depthbuffer format?