Initialize vertsize correctly. Add planemask arguments for color and depth

    stencil clearing.

4 files changed, 121 insertions, 58 deletions

diff --git a/linux/mga_dma.c b/linux/mga_dma.c
index bbfa9497..4b861220 100644
--- a/linux/mga_dma.c
+++ b/linux/mga_dma.c
@@ -388,7 +388,7 @@ void mga_fire_primary(drm_device_t *dev, drm_mga_prim_buf_t *prim)
  	/* We never check for overflow, b/c there is always room */
     	PRIMPTR(prim);
    	if(num_dwords <= 0) {
-		DRM_DEBUG("num_dwords == 0 when dispatched\n");
+		DRM_ERROR("num_dwords == 0 when dispatched\n");
 		goto out_prim_wait;
 	}
  	PRIMOUTREG( MGAREG_DMAPAD, 0);
@@ -770,6 +770,7 @@ static int mga_dma_initialize(drm_device_t *dev, drm_mga_init_t *init) {
    	init_waitqueue_head(&dev_priv->flush_queue);
 	init_waitqueue_head(&dev_priv->buf_queue);
 	dev_priv->WarpPipe = 0xff000000;
+	dev_priv->vertexsize = 0;
 
    	DRM_DEBUG("chipset: %d ucode_size: %d backOffset: %x depthOffset: %x\n",
 		  dev_priv->chipset, dev_priv->warp_ucode_size, 
diff --git a/linux/mga_drm.h b/linux/mga_drm.h
index e75e91a4..52cf7766 100644
--- a/linux/mga_drm.h
+++ b/linux/mga_drm.h
@@ -73,17 +73,19 @@
 
 /* 3d state excluding texture units:
  */
-#define MGA_CTXREG_DSTORG   0	/* validated */
-#define MGA_CTXREG_MACCESS  1	
-#define MGA_CTXREG_PLNWT    2	
-#define MGA_CTXREG_DWGCTL    3	
-#define MGA_CTXREG_ALPHACTRL 4
-#define MGA_CTXREG_FOGCOLOR  5
-#define MGA_CTXREG_WFLAG     6
-#define MGA_CTXREG_TDUAL0    7
-#define MGA_CTXREG_TDUAL1    8
-#define MGA_CTXREG_FCOL      9
-#define MGA_CTX_SETUP_SIZE   10
+#define MGA_CTXREG_DSTORG     0	/* validated */
+#define MGA_CTXREG_MACCESS    1	
+#define MGA_CTXREG_PLNWT      2 	
+#define MGA_CTXREG_DWGCTL     3	
+#define MGA_CTXREG_ALPHACTRL  4
+#define MGA_CTXREG_FOGCOLOR   5
+#define MGA_CTXREG_WFLAG      6
+#define MGA_CTXREG_TDUAL0     7
+#define MGA_CTXREG_TDUAL1     8
+#define MGA_CTXREG_FCOL       9
+#define MGA_CTXREG_STENCIL    10
+#define MGA_CTXREG_STENCILCTL 11
+#define MGA_CTX_SETUP_SIZE    12
 
 /* 2d state
  */
@@ -233,6 +235,7 @@ typedef struct _drm_mga_sarea {
 	/* Mechanism to validate card state.
 	 */
    	int ctxOwner;
+   	int vertexsize;
 } drm_mga_sarea_t;	
 
 /* Device specific ioctls:
@@ -241,6 +244,8 @@ typedef struct _drm_mga_clear {
 	unsigned int clear_color;
 	unsigned int clear_depth;
 	unsigned int flags;
+	unsigned int clear_depth_mask;
+	unsigned int clear_color_mask;
 } drm_mga_clear_t;
 
 typedef struct _drm_mga_swap {
diff --git a/linux/mga_drv.h b/linux/mga_drv.h
index f49bd0f6..0a6a13b6 100644
--- a/linux/mga_drv.h
+++ b/linux/mga_drv.h
@@ -82,6 +82,7 @@ typedef struct _drm_mga_private {
 	int use_agp;
    	drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES];
 	unsigned int WarpPipe;
+	unsigned int vertexsize;
    	atomic_t pending_bufs;
    	void *status_page;
    	unsigned long real_status_page;
@@ -212,13 +213,12 @@ typedef struct {
 #define PRIM_OVERFLOW(dev, dev_priv, length) do {			   \
 	drm_mga_prim_buf_t *tmp_buf =					   \
  		dev_priv->prim_bufs[dev_priv->current_prim_idx];	   \
-	if( test_bit(MGA_BUF_NEEDS_OVERFLOW,				   \
-		  &tmp_buf->buffer_status)) {				   \
+	if( test_bit(MGA_BUF_NEEDS_OVERFLOW, &tmp_buf->buffer_status)) {   \
  		mga_advance_primary(dev);				   \
  		mga_dma_schedule(dev, 1);				   \
 		tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
  	} else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length ||   \
- 	    tmp_buf->sec_used > MGA_DMA_BUF_NR/2) {			   \
+ 	           tmp_buf->sec_used > MGA_DMA_BUF_NR/2) {		   \
 		set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status);	   \
  		mga_advance_primary(dev);				   \
  		mga_dma_schedule(dev, 1);				   \
diff --git a/linux/mga_state.c b/linux/mga_state.c
index 5a9c7632..c8963964 100644
--- a/linux/mga_state.c
+++ b/linux/mga_state.c
@@ -39,11 +39,11 @@
  */
 
 #define MGAEMITCLIP_SIZE 10
-#define MGAEMITCTX_SIZE 15
+#define MGAEMITCTX_SIZE 20
 #define MGAG200EMITTEX_SIZE 20
 #define MGAG400EMITTEX0_SIZE 30
 #define MGAG400EMITTEX1_SIZE 25
-#define MGAG400EMITPIPE_SIZE 50
+#define MGAG400EMITPIPE_SIZE 55
 #define MGAG200EMITPIPE_SIZE 15
 
 #define MAX_STATE_SIZE ((MGAEMITCLIP_SIZE * MGA_NR_SAREA_CLIPRECTS) + \
@@ -89,7 +89,7 @@ static void mgaEmitContext(drm_mga_private_t * dev_priv)
 	PRIMLOCALS;
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
-	/* This takes a max of 15 dwords */
+	/* This takes a max of 20 dwords */
 	PRIMGETPTR(dev_priv);
 
 	PRIMOUTREG(MGAREG_DSTORG, regs[MGA_CTXREG_DSTORG]);
@@ -107,6 +107,11 @@ static void mgaEmitContext(drm_mga_private_t * dev_priv)
 		PRIMOUTREG(MGAREG_TDUALSTAGE0, regs[MGA_CTXREG_TDUAL0]);
 		PRIMOUTREG(MGAREG_TDUALSTAGE1, regs[MGA_CTXREG_TDUAL1]);
 		PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]);
+		
+		PRIMOUTREG(MGAREG_STENCIL, regs[MGA_CTXREG_STENCIL]);
+		PRIMOUTREG(MGAREG_STENCILCTL, regs[MGA_CTXREG_STENCILCTL]);
+		PRIMOUTREG(MGAREG_DMAPAD, 0);
+		PRIMOUTREG(MGAREG_DMAPAD, 0);
 	} else {
 		PRIMOUTREG(MGAREG_FCOL, regs[MGA_CTXREG_FCOL]);
 		PRIMOUTREG(MGAREG_DMAPAD, 0);
@@ -151,11 +156,13 @@ static void mgaG200EmitTex(drm_mga_private_t * dev_priv)
 	PRIMADVANCE(dev_priv);
 }
 
+#define TMC_dualtex_enable 		0x80 		
+
 static void mgaG400EmitTex0(drm_mga_private_t * dev_priv)
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
 	unsigned int *regs = sarea_priv->TexState[0];
-	int multitex = sarea_priv->WarpPipe & MGA_T2;
+	int multitex = regs[MGA_TEXREG_CTL2] & TMC_dualtex_enable;
 	PRIMLOCALS;
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
@@ -163,7 +170,9 @@ static void mgaG400EmitTex0(drm_mga_private_t * dev_priv)
 
 	/* This takes a max of 30 dwords */
 
-	PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | 0x00008000);
+	PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] 
+  		   | 0x00008000 
+	   );
 	PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]);
 	PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]);
 	PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]);
@@ -183,7 +192,7 @@ static void mgaG400EmitTex0(drm_mga_private_t * dev_priv)
 	PRIMOUTREG(0x2d00 + 61 * 4, 0);
 	PRIMOUTREG(MGAREG_DMAPAD, 0);
 
-	if (!multitex) {
+	if (!multitex || 1) {
 		PRIMOUTREG(0x2d00 + 52 * 4, 0x40);
 		PRIMOUTREG(0x2d00 + 60 * 4, 0x40);
 		PRIMOUTREG(MGAREG_DMAPAD, 0);
@@ -200,10 +209,10 @@ static void mgaG400EmitTex0(drm_mga_private_t * dev_priv)
 
 #define TMC_map1_enable 		0x80000000
 
-static void mgaG400EmitTex1(drm_mga_private_t * dev_priv)
+static void mgaG400EmitTex1(drm_mga_private_t * dev_priv, int source )
 {
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int *regs = sarea_priv->TexState[1];
+	unsigned int *regs = sarea_priv->TexState[source];
 	PRIMLOCALS;
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
@@ -211,8 +220,8 @@ static void mgaG400EmitTex1(drm_mga_private_t * dev_priv)
 
 	/* This takes 25 dwords */
 
-	PRIMOUTREG(MGAREG_TEXCTL2,
-		   regs[MGA_TEXREG_CTL2] | TMC_map1_enable | 0x00008000);
+	PRIMOUTREG(MGAREG_TEXCTL2, regs[MGA_TEXREG_CTL2] | TMC_map1_enable | 
+		   0x00008000);
 	PRIMOUTREG(MGAREG_TEXCTL, regs[MGA_TEXREG_CTL]);
 	PRIMOUTREG(MGAREG_TEXFILTER, regs[MGA_TEXREG_FILTER]);
 	PRIMOUTREG(MGAREG_TEXBORDERCOL, regs[MGA_TEXREG_BORDERCOL]);
@@ -245,6 +254,8 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv)
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
 	unsigned int pipe = sarea_priv->WarpPipe;
 	float fParam = 12800.0f;
+	int multitex = (sarea_priv->TexState[0][MGA_TEXREG_CTL2] & 
+			TMC_dualtex_enable);
 	PRIMLOCALS;
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
@@ -259,7 +270,31 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv)
 	PRIMOUTREG(MGAREG_DMAPAD, 0);
 	PRIMOUTREG(MGAREG_DMAPAD, 0);
 
-	if (pipe & MGA_T2) {
+	if (sarea_priv->vertexsize == 10) {
+		PRIMOUTREG(MGAREG_YDST, 0);
+		PRIMOUTREG(MGAREG_FXLEFT, 0);
+		PRIMOUTREG(MGAREG_FXRIGHT, 1);
+		PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD);
+
+		PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1);
+		PRIMOUTREG(MGAREG_DMAPAD, 0);
+		PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
+		PRIMOUTREG(MGAREG_DMAPAD, 0);
+			
+		if (multitex) {
+			PRIMOUTREG(MGAREG_TEXCTL2, 0 
+				   | 0x00008000
+				);
+			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
+			PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000);
+			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
+		} else {
+			PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000);
+			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
+			PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000);
+			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
+		}
+
 		PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001e09);
 		PRIMOUTREG(MGAREG_DMAPAD, 0);
 		PRIMOUTREG(MGAREG_DMAPAD, 0);
@@ -270,23 +305,21 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv)
 		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0);
 		PRIMOUTREG(MGAREG_WACCEPTSEQ, 0x1e000000);
 	} else {
-		if (dev_priv->WarpPipe & MGA_T2) {
-			/* Flush the WARP pipe */
-			PRIMOUTREG(MGAREG_YDST, 0);
-			PRIMOUTREG(MGAREG_FXLEFT, 0);
-			PRIMOUTREG(MGAREG_FXRIGHT, 1);
-			PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD);
-
-			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
+		/* Flush the WARP pipe */
+		PRIMOUTREG(MGAREG_YDST, 0);
+		PRIMOUTREG(MGAREG_FXLEFT, 0);
+		PRIMOUTREG(MGAREG_FXRIGHT, 1);
+		PRIMOUTREG(MGAREG_DWGCTL, MGA_FLUSH_CMD);
 
-			PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000);
-			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
-			PRIMOUTREG(MGAREG_TEXCTL2, 0x80 | 0x00008000);
-			PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
-		}
+		PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 1);
+		PRIMOUTREG(MGAREG_DMAPAD, 0);
+		PRIMOUTREG(MGAREG_DWGSYNC, 0x7000);
+		PRIMOUTREG(MGAREG_DMAPAD, 0);
+
+		PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000);
+		PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
+		PRIMOUTREG(MGAREG_TEXCTL2, 0 | 0x00008000);
+		PRIMOUTREG(MGAREG_LEN + MGAREG_MGA_EXEC, 0);
 
 		PRIMOUTREG(MGAREG_WVRTXSZ, 0x00001807);
 		PRIMOUTREG(MGAREG_DMAPAD, 0);
@@ -314,13 +347,16 @@ static void mgaG400EmitPipe(drm_mga_private_t * dev_priv)
 	PRIMOUTREG(0x2d00 + 52 * 4, 0x40);	/* Tex stage 1 : w */
 	PRIMOUTREG(0x2d00 + 60 * 4, 0x40);	/* Tex stage 1 : h */
 
-	/* Dma pading required due to hw bug */
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
-	PRIMOUTREG(MGAREG_WIADDR2,
-		   (u32) (dev_priv->WarpIndex[pipe].
-			  phys_addr | WIA_wmode_start | WIA_wagp_agp));
+	if (dev_priv->WarpPipe != pipe || 1) {
+		/* Dma pading required due to hw bug */
+		PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
+		PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
+		PRIMOUTREG(MGAREG_DMAPAD, 0xffffffff);
+		PRIMOUTREG(MGAREG_WIADDR2,
+			   (u32) (dev_priv->WarpIndex[pipe].phys_addr |
+				  WIA_wmode_start | WIA_wagp_agp));
+	}
+
 	PRIMADVANCE(dev_priv);
 }
 
@@ -363,11 +399,20 @@ static void mgaEmitState(drm_mga_private_t * dev_priv)
 	DRM_DEBUG("%s\n", __FUNCTION__);
 
 	if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
-		int multitex = sarea_priv->WarpPipe & MGA_T2;
+	        int multitex = (sarea_priv->TexState[0][MGA_TEXREG_CTL2] & 
+				TMC_dualtex_enable);
 
-		if (sarea_priv->WarpPipe != dev_priv->WarpPipe) {
+  		dirty = ~0; 
+
+		if (dirty & MGA_UPLOAD_PIPE
+/*  		    && (sarea_priv->WarpPipe != dev_priv->WarpPipe || */
+/*  		        sarea_priv->vertexsize != dev_priv->vertexsize) */
+		   )
+		{
 			mgaG400EmitPipe(dev_priv);
 			dev_priv->WarpPipe = sarea_priv->WarpPipe;
+			dev_priv->vertexsize = sarea_priv->vertexsize;
+			sarea_priv->dirty &= ~MGA_UPLOAD_PIPE;
 		}
 
 		if (dirty & MGA_UPLOAD_CTX) {
@@ -380,8 +425,11 @@ static void mgaEmitState(drm_mga_private_t * dev_priv)
 			sarea_priv->dirty &= ~MGA_UPLOAD_TEX0;
 		}
 
-		if ((dirty & MGA_UPLOAD_TEX1) && multitex) {
-			mgaG400EmitTex1(dev_priv);
+		if (dirty & MGA_UPLOAD_TEX1) {
+			if (multitex)
+				mgaG400EmitTex1(dev_priv, 1);
+			else
+				mgaG400EmitTex1(dev_priv, 0);
 			sarea_priv->dirty &= ~MGA_UPLOAD_TEX1;
 		}
 	} else {
@@ -558,6 +606,9 @@ static void mga_dma_dispatch_vertex(drm_device_t * dev, drm_buf_t * buf)
 		PRIM_OVERFLOW(dev, dev_priv,
 			      (MAX_STATE_SIZE + (5 * MGA_NR_SAREA_CLIPRECTS)));
 		mgaEmitState(dev_priv);
+
+/*  		length = dev_priv->vertexsize * 3 * 4; */
+
 		do {
 			if (i < sarea_priv->nbox) {
 				DRM_DEBUG("idx %d Emit box %d/%d:"
@@ -644,6 +695,7 @@ static void mga_dma_dispatch_indices(drm_device_t * dev,
 				    SETADD_mode_vertlist));
 			PRIMOUTREG(MGAREG_SETUPEND,
 				   ((address + end) | use_agp));
+/*  				   ((address + start + 12) | use_agp)); */
 			PRIMADVANCE(dev_priv);
 		} while (++i < sarea_priv->nbox);
 	}
@@ -658,7 +710,9 @@ static void mga_dma_dispatch_indices(drm_device_t * dev,
 
 static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
 				   unsigned int clear_color,
-				   unsigned int clear_zval)
+				   unsigned int clear_zval,
+				   unsigned int clear_colormask,
+				   unsigned int clear_depthmask)
 {
 	drm_mga_private_t *dev_priv = dev->dev_private;
 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;
@@ -687,7 +741,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
 		if (flags & MGA_FRONT) {
 			DRM_DEBUG("clear front\n");
 			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
+			PRIMOUTREG(MGAREG_PLNWT, clear_colormask);
 			PRIMOUTREG(MGAREG_YDSTLEN,
 				   (pbox[i].y1 << 16) | height);
 			PRIMOUTREG(MGAREG_FXBNDRY,
@@ -702,7 +756,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
 		if (flags & MGA_BACK) {
 			DRM_DEBUG("clear back\n");
 			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
+			PRIMOUTREG(MGAREG_PLNWT, clear_colormask);
 			PRIMOUTREG(MGAREG_YDSTLEN,
 				   (pbox[i].y1 << 16) | height);
 			PRIMOUTREG(MGAREG_FXBNDRY,
@@ -717,7 +771,7 @@ static void mga_dma_dispatch_clear(drm_device_t * dev, int flags,
 		if (flags & MGA_DEPTH) {
 			DRM_DEBUG("clear depth\n");
 			PRIMOUTREG(MGAREG_DMAPAD, 0);
-			PRIMOUTREG(MGAREG_DMAPAD, 0);
+			PRIMOUTREG(MGAREG_PLNWT, clear_depthmask);
 			PRIMOUTREG(MGAREG_YDSTLEN,
 				   (pbox[i].y1 << 16) | height);
 			PRIMOUTREG(MGAREG_FXBNDRY,
@@ -818,7 +872,10 @@ int mga_clear_bufs(struct inode *inode, struct file *filp,
 	 */
 	dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CTX;
 	mga_dma_dispatch_clear(dev, clear.flags,
-			       clear.clear_color, clear.clear_depth);
+			       clear.clear_color, 
+			       clear.clear_depth,
+			       clear.clear_color_mask,
+			       clear.clear_depth_mask);
 	PRIMUPDATE(dev_priv);
 #ifdef __i386__
 	mga_flush_write_combine();