From: Aapo Tahkola <aet@rasterburn.org>
Date: Mon, 18 Apr 2005 22:41:43 +0000 (+0000)
Subject: Fixing and enabling elt buffers by default.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f8ed0aa26804558cb732f6ea41fe0ebe3da91efe;p=mesa.git

Fixing and enabling elt buffers by default.
---

diff --git a/src/mesa/drivers/dri/r300/r300_maos.c b/src/mesa/drivers/dri/r300/r300_maos.c
index 4decd1e6a20..22c47d6915c 100644
--- a/src/mesa/drivers/dri/r300/r300_maos.c
+++ b/src/mesa/drivers/dri/r300/r300_maos.c
@@ -218,15 +218,12 @@ void r300EmitElts(GLcontext * ctx, GLuint *elts, unsigned long n_elts)
 	unsigned short int *out;
 	int i;
 	
-	r300AllocDmaRegion(rmesa, rvb, (n_elts+1)*2 , 0x20);
+	r300AllocDmaRegion(rmesa, rvb, n_elts*sizeof(unsigned short int), 2);
 	
 	out = (unsigned short int *)(rvb->address + rvb->start);
 	
 	for(i=0; i < n_elts; i++)
 		out[i]=(unsigned short int)elts[i];
-	
-	if(n_elts & 1)
-		out[i]=0;
 }
 
 /* Emit vertex data to GART memory (unless immediate mode)
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c
index 894d3d1b904..3653af9a5d6 100644
--- a/src/mesa/drivers/dri/r300/r300_render.c
+++ b/src/mesa/drivers/dri/r300/r300_render.c
@@ -466,18 +466,22 @@ static void inline fire_EB(PREFIX unsigned long addr, int vertex_count, int type
 	LOCAL_VARS
 	unsigned long addr_a;
 	
-	addr_a = addr & 0x1c;
+	if(addr & 1){
+		WARN_ONCE("Badly aligned buffer\n");
+		return ;
+	}
+	addr_a = 0; /*addr & 0x1c;*/
 	
 	check_space(6);
 	
 	start_packet3(RADEON_CP_PACKET3_3D_DRAW_INDX_2, 0);
-	/* TODO: Check if R300_VAP_VF_CNTL__INDEX_SIZE_32bit works. */
+	/* TODO: R300_VAP_VF_CNTL__INDEX_SIZE_32bit . */
 	e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count<<16) | type);
 
 	start_packet3(RADEON_CP_PACKET3_INDX_BUFFER, 2);
 	e32(R300_EB_UNK1 | (addr_a << 16) | R300_EB_UNK2);
-	e32(addr & 0xffffffe3);
-	e32((vertex_count+1)/2 + addr_a/4);
+	e32(addr /*& 0xffffffe3*/);
+	e32((vertex_count+1)/2 /*+ addr_a/4*/); /* Total number of dwords needed? */
 }
 
 static void r300_render_vb_primitive(r300ContextPtr rmesa,
@@ -500,7 +504,7 @@ static void r300_render_vb_primitive(r300ContextPtr rmesa,
 
    if(rmesa->state.Elts){
 	r300EmitAOS(rmesa, rmesa->state.aos_count, 0);
-#if 1
+#if 0
 	start_index32_packet(num_verts, type);
 	for(i=0; i < num_verts; i++)
 		e32(rmesa->state.Elts[start+i]); /* start ? */
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index 7cc0990444c..f998eb8cad6 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -2126,7 +2126,7 @@ void r300ResetHwState(r300ContextPtr r300)
 		/* Initialize magic registers
 		 TODO : learn what they really do, or get rid of
 		 those we don't have to touch */
-	r300->hw.unk2080.cmd[1] = 0x0030045A;
+	r300->hw.unk2080.cmd[1] = 0x0030045A; /* Dangerous */
 
 	r300->hw.vte.cmd[1] = R300_VPORT_X_SCALE_ENA
 				| R300_VPORT_X_OFFSET_ENA