From 41d180c899c9008edadc6ff4538fc33e9793259c Mon Sep 17 00:00:00 2001
From: Aapo Tahkola <aet@rasterburn.org>
Date: Wed, 16 Feb 2005 19:04:32 +0000
Subject: Support for idx buffers. Leaving it on by default as it doesnt seem
 to cause any lock ups nor other issues. Tests with one object using elts
 should pass. Introducing more than one object will cause indices to mix up as
 far as i can see. DRM update is needed for this code to work\!

---
 src/mesa/drivers/dri/r300/r300_maos.c | 54 ++++++++++++++++++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

(limited to 'src/mesa/drivers/dri/r300/r300_maos.c')

diff --git a/src/mesa/drivers/dri/r300/r300_maos.c b/src/mesa/drivers/dri/r300/r300_maos.c
index e4ea676119..2f112d4bb2 100644
--- a/src/mesa/drivers/dri/r300/r300_maos.c
+++ b/src/mesa/drivers/dri/r300/r300_maos.c
@@ -209,7 +209,58 @@ static void emit_vector(GLcontext * ctx,
 	}
 
 }
-				
+
+void emit_elts(GLcontext * ctx, GLuint *elts, int oec, int ec)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	radeonScreenPtr rsp=rmesa->radeon.radeonScreen;
+	unsigned short int *hw_elts;
+	int i;
+	int inc_found=0;
+	int dec_found=0;
+	
+	hw_elts=malloc(ec*sizeof(unsigned short int));
+	
+	for(i=0; i < oec; i++)
+		hw_elts[i]=(unsigned short int)elts[i];
+	
+	/* Work around magic_1 problem by filling rest of the data with last idx */
+	for(; i < ec; i++)
+		hw_elts[i]=(unsigned short int)elts[oec-1];
+	
+	memcpy(rsp->gartTextures.map, hw_elts, ec*sizeof(unsigned short int));
+	//memset(((char *)rsp->gartTextures.map)+ec*sizeof(unsigned short int), 0, 1024);
+	/*emit_vector(ctx, &rmesa->state.elt_ao,
+			(char *)hw_elts,
+			2,
+			2, ec);*/
+	/*
+	// some debug code...
+	inc_found=1;
+	for(i=1; i < oec; i++)
+		if(hw_elts[i-1] != hw_elts[i]+1){
+			inc_found=0;
+			break;
+		}
+		
+	dec_found=1;
+	for(i=1; i < oec; i++)
+		if(hw_elts[i-1] != hw_elts[i]-1){
+			dec_found=0;
+		}
+		
+	fprintf(stderr, "elts:");
+	for(i=0; i < oec; i++)
+		fprintf(stderr, "%d\n", hw_elts[i]);
+		fprintf(stderr, "\n");
+		
+	if(inc_found==0 && dec_found==0){
+		fprintf(stderr, "error found\n");
+		exit(-1);
+	}
+	*/
+}
+		
 /* Emit vertex data to GART memory (unless immediate mode)
  * Route inputs to the vertex processor
  */
@@ -479,6 +530,7 @@ void r300ReleaseArrays(GLcontext * ctx)
 	r300ContextPtr rmesa = R300_CONTEXT(ctx);
 	int i;
 
+	//r300ReleaseDmaRegion(rmesa, &rmesa->state.elt_ao, __FUNCTION__);
 	for (i=0;i<rmesa->state.aos_count;i++) {
 		r300ReleaseDmaRegion(rmesa, &rmesa->state.aos[i], __FUNCTION__);
 	}
-- 
cgit v1.2.3