r300c/r300g: add 3155 rv380 pci id

[mesa.git] / src / gallium / auxiliary / draw / draw_pt_varray_tmp_linear.h

diff --git a/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h b/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h
index b6f1f0cadc5650384228e079f5d81c3dc7339703..f0aec5febabdb0b518cd626c5f28661c08a713d7 100644 (file)
--- a/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h
+++ b/src/gallium/auxiliary/draw/draw_pt_varray_tmp_linear.h
@@ -9,14 +9,18 @@ static void FUNC(struct draw_pt_front_end *frontend,
                  unsigned count)
 {
    struct varray_frontend *varray = (struct varray_frontend *)frontend;
-   unsigned start = (unsigned)elts;
+   unsigned start = (unsigned) ((char *) elts - (char *) NULL);
 
-   unsigned i, j;
+   unsigned j;
    unsigned first, incr;
 
-   varray->fetch_start = start;
-
-   split_prim_inplace(varray->input_prim, &first, &incr);
+   draw_pt_split_prim(varray->input_prim, &first, &incr);
+   
+   /* Sanitize primitive length:
+    */
+   count = trim(count, first, incr); 
+   if (count < first)
+      return;
 
 #if 0
    debug_printf("%s (%d) %d/%d\n", __FUNCTION__,
@@ -32,10 +36,13 @@ static void FUNC(struct draw_pt_front_end *frontend,
    case PIPE_PRIM_TRIANGLE_STRIP:
    case PIPE_PRIM_QUADS:
    case PIPE_PRIM_QUAD_STRIP:
-      
+   case PIPE_PRIM_LINES_ADJACENCY:
+   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+   case PIPE_PRIM_TRIANGLES_ADJACENCY:
+   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
       for (j = 0; j < count;) {
          unsigned remaining = count - j;
-         unsigned nr = trim( MIN2(FETCH_MAX, remaining), first, incr );
+         unsigned nr = trim( MIN2(varray->driver_fetch_max, remaining), first, incr );
          varray_flush_linear(varray, start + j, nr);
          j += nr;
          if (nr != remaining) 
@@ -44,33 +51,34 @@ static void FUNC(struct draw_pt_front_end *frontend,
       break;
 
    case PIPE_PRIM_LINE_LOOP:
-      if (count >= 2) {
-         for (j = 0; j + first <= count; j += i) {
-            unsigned end = MIN2(FETCH_MAX, count - j);
-            end -= (end % incr);
-            for (i = 1; i < end; i++) {
-               LINE(varray, i - 1, i);
-            }
-            LINE(varray, i - 1, 0);
-            i = end;
-            fetch_init(varray, end);
-            varray_flush(varray);
-         }
+      /* Always have to decompose as we've stated that this will be
+       * emitted as a line-strip.
+       */
+      for (j = 0; j < count;) {
+         unsigned remaining = count - j;
+         unsigned nr = trim( MIN2(varray->fetch_max-1, remaining), first, incr );
+         varray_line_loop_segment(varray, start, j, nr, nr == remaining);
+         j += nr;
+         if (nr != remaining) 
+            j -= (first - incr);
       }
       break;
 
 
    case PIPE_PRIM_POLYGON:
-   case PIPE_PRIM_TRIANGLE_FAN:
-      for (j = 0; j + first <= count; j += i) {
-         unsigned end = MIN2(FETCH_MAX, count - j);
-         end -= (end % incr);
-         for (i = 2; i < end; i++) {
-            TRIANGLE(varray, 0, i - 1, i);
+   case PIPE_PRIM_TRIANGLE_FAN: 
+      if (count < varray->driver_fetch_max) {
+         varray_flush_linear(varray, start, count);
+      }
+      else {
+         for ( j = 0; j < count;) {
+            unsigned remaining = count - j;
+            unsigned nr = trim( MIN2(varray->fetch_max-1, remaining), first, incr );
+            varray_fan_segment(varray, start, j, nr);
+            j += nr;
+            if (nr != remaining) 
+               j -= (first - incr);
          }
-         i = end;
-         fetch_init(varray, end);
-         varray_flush(varray);
       }
       break;
 
@@ -78,8 +86,6 @@ static void FUNC(struct draw_pt_front_end *frontend,
       assert(0);
       break;
    }
-
-   varray_flush(varray);
 }
 
 #undef TRIANGLE