From: Vladimir Dergachev <volodya@freedesktop.org>
Date: Thu, 30 Dec 2004 07:11:28 +0000 (+0000)
Subject: Clarify some of the unkXXXX atoms.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7d8c1fb03a738d63706eb07708a87712bd6fe102;p=mesa.git

Clarify some of the unkXXXX atoms.
---

diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index 580c5145a72..e668e97da9a 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -304,12 +304,14 @@ void r300InitCmdBuf(r300ContextPtr r300)
 		r300->hw.unk2220.cmd[0] = cmducs(0x2220, 4);
 	ALLOC_STATE( unk2288, always, 2, "unk2288", 0 );
 		r300->hw.unk2288.cmd[0] = cmducs(0x2288, 1);
+	ALLOC_STATE( vof, always, R300_VOF_CMDSIZE, "vof", 0 );
+		r300->hw.vof.cmd[R300_VOF_CMD_0] = cmducs(R300_VAP_OUTPUT_VTX_FMT_0, 2);
 	ALLOC_STATE( pvs, always, R300_PVS_CMDSIZE, "pvs", 0 );
 		r300->hw.pvs.cmd[R300_PVS_CMD_0] = cmducs(R300_VAP_PVS_CNTL_1, 3);
-	ALLOC_STATE( unk4008, always, 2, "unk4008", 0 );
-		r300->hw.unk4008.cmd[0] = cmducs(0x4008, 1);
-	ALLOC_STATE( unk4010, always, 6, "unk4010", 0 );
-		r300->hw.unk4010.cmd[0] = cmducs(0x4010, 5);
+	ALLOC_STATE( gb_enable, always, 2, "gb_enable", 0 );
+		r300->hw.gb_enable.cmd[0] = cmducs(R300_GB_ENABLE, 1);
+	ALLOC_STATE( gb_misc, always, R300_GB_MISC_CMDSIZE, "gb_misc", 0 );
+		r300->hw.gb_misc.cmd[0] = cmducs(R300_GB_MSPOS0, 5);
 	ALLOC_STATE( txe, always, R300_TXE_CMDSIZE, "txe", 0 );
 		r300->hw.txe.cmd[R300_TXE_CMD_0] = cmducs(R300_TX_ENABLE, 1);
 	ALLOC_STATE( unk4200, always, 5, "unk4200", 0 );
@@ -421,9 +423,10 @@ void r300InitCmdBuf(r300ContextPtr r300)
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk221C);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk2220);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk2288);
+	insert_at_tail(&r300->hw.atomlist, &r300->hw.vof);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.pvs);
-	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4008);
-	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4010);
+	insert_at_tail(&r300->hw.atomlist, &r300->hw.gb_enable);
+	insert_at_tail(&r300->hw.atomlist, &r300->hw.gb_misc);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.txe);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4200);
 	insert_at_tail(&r300->hw.atomlist, &r300->hw.unk4214);
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index 5863ee52f2f..a548789fb2e 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -115,12 +115,26 @@ struct r300_state_atom {
 #define R300_VIC_CNTL_1		2
 #define R300_VIC_CMDSIZE	3
 
+#define R300_VOF_CMD_0		0
+#define R300_VOF_CNTL_0		1
+#define R300_VOF_CNTL_1		2
+#define R300_VOF_CMDSIZE	3
+
+
 #define R300_PVS_CMD_0		0
 #define R300_PVS_CNTL_1		1
 #define R300_PVS_CNTL_2		2
 #define R300_PVS_CNTL_3		3
 #define R300_PVS_CMDSIZE	4
 
+#define R300_GB_MISC_CMD_0		0
+#define R300_GB_MISC_MSPOS_0		1
+#define R300_GB_MISC_MSPOS_1		2
+#define R300_GB_MISC_TILE_CONFIG	3
+#define R300_GB_MISC_SELECT		4
+#define R300_GB_MISC_AA_CONFIG		5
+#define R300_GB_MISC_CMDSIZE		6
+
 #define R300_TXE_CMD_0		0
 #define R300_TXE_ENABLE		1
 #define R300_TXE_CMDSIZE	2
@@ -242,8 +256,9 @@ struct r300_hw_state {
 	struct r300_state_atom unk2220; /* (2220) */
 	struct r300_state_atom unk2288; /* (2288) */
 	struct r300_state_atom pvs;	/* pvs_cntl (22D0) */
-	struct r300_state_atom unk4008; /* (4008) */
-	struct r300_state_atom unk4010; /* (4010) */
+	struct r300_state_atom vof;     /* VAP output format register 0x4000 */
+	struct r300_state_atom gb_enable; /* (4008) */
+	struct r300_state_atom gb_misc; /* Multisampling position shifts ? (4010) */
 	struct r300_state_atom txe;	/* tex enable (4104) */
 	struct r300_state_atom unk4200; /* (4200) */
 	struct r300_state_atom unk4214; /* (4214) */
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index d080ae5bf71..f76056d6cb0 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -358,20 +358,30 @@ void r300ResetHwState(r300ContextPtr r300)
 	else
 		r300->hw.unk2288.cmd[1] = R300_2288_RV350;
 
+	r300->hw.vof.cmd[R300_VOF_CNTL_0] = R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT
+				| R300_VAP_OUTPUT_VTX_FMT_0__COLOR_PRESENT;
+	r300->hw.vof.cmd[R300_VOF_CNTL_1] = 0; /* no textures */
+		
 	r300->hw.pvs.cmd[R300_PVS_CNTL_1] = 0;
 	r300->hw.pvs.cmd[R300_PVS_CNTL_2] = 0;
 	r300->hw.pvs.cmd[R300_PVS_CNTL_3] = 0;
 
-	r300->hw.unk4008.cmd[1] = 0x00000007;
+	r300->hw.gb_enable.cmd[1] = R300_GB_POINT_STUFF_ENABLE
+		| R300_GB_LINE_STUFF_ENABLE
+		| R300_GB_TRIANGLE_STUFF_ENABLE;
 
-	r300->hw.unk4010.cmd[1] = 0x66666666;
-	r300->hw.unk4010.cmd[2] = 0x06666666;
+	r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_0] = 0x66666666;
+	r300->hw.gb_misc.cmd[R300_GB_MISC_MSPOS_1] = 0x06666666;
 	if (GET_CHIP(r300->radeon.radeonScreen) == RADEON_CHIP_R300)
-		r300->hw.unk4010.cmd[3] = 0x00000017;
+		r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
+							| R300_GB_TILE_PIPE_COUNT_R300
+							| R300_GB_TILE_SIZE_16;
 	else
-		r300->hw.unk4010.cmd[3] = 0x00000011;
-	r300->hw.unk4010.cmd[4] = 0x00000000;
-	r300->hw.unk4010.cmd[5] = 0x00000000;
+		r300->hw.gb_misc.cmd[R300_GB_MISC_TILE_CONFIG] = R300_GB_TILE_ENABLE
+							| R300_GB_TILE_PIPE_COUNT_RV300
+							| R300_GB_TILE_SIZE_16;
+	r300->hw.gb_misc.cmd[R300_GB_MISC_SELECT] = 0x00000000;
+	r300->hw.gb_misc.cmd[R300_GB_MISC_AA_CONFIG] = 0x00000000; /* No antialiasing */
 
 	r300->hw.txe.cmd[R300_TXE_ENABLE] = 0;