r200: Fix emit size prediction to account elt splitting.

Emit sizes prediction didn't account for render splitting in
hwtnl path.

src/mesa/drivers/dri/r200/r200_cmdbuf.c

@@ -190,7 +190,7 @@ void r200FlushElts(GLcontext *ctx)
      radeonReturnDmaRegion(&rmesa->radeon, R200_ELT_BUF_SZ - elt_used);
 
    if (radeon_is_debug_enabled(RADEON_SYNC, RADEON_CRITICAL)
-   	&& !rmesa->radeon.radeonScreen->kernel_mm) {
+         && !rmesa->radeon.radeonScreen->kernel_mm) {
       radeon_print(RADEON_SYNC, RADEON_NORMAL, "%s: Syncing\n", __FUNCTION__);
       radeonFinish( rmesa->radeon.glCtx );
    }

src/mesa/drivers/dri/r200/r200_tcl.c

@@ -404,8 +404,9 @@ static GLuint r200EnsureEmitSize( GLcontext * ctx , GLubyte* vimap_rev )
          rendering code may decide convert to elts.
 	 In that case we have to make pessimistic prediction.
 	 and use larger of 2 paths. */
-      const GLuint elts = ELTS_BUFSZ(nr_aos);
-      const GLuint index = INDEX_BUFSZ;
+      const GLuint elt_count =(VB->Primitive[i].count/GET_MAX_HW_ELTS() + 1);
+      const GLuint elts = ELTS_BUFSZ(nr_aos) * elt_count;
+      const GLuint index = INDEX_BUFSZ * elt_count;
       const GLuint vbuf = VBUF_BUFSZ;
       if ( (!VB->Elts && VB->Primitive[i].count >= MAX_CONVERSION_SIZE)
 	  || vbuf > index + elts)