/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_pt.h"
+#include "util/u_debug.h"
void draw_pt_split_prim(unsigned prim, unsigned *first, unsigned *incr)
{
*first = 2;
*incr = 1;
break;
+ case PIPE_PRIM_LINES_ADJACENCY:
+ *first = 4;
+ *incr = 4;
+ break;
+ case PIPE_PRIM_LINE_STRIP_ADJACENCY:
+ *first = 4;
+ *incr = 1;
+ break;
case PIPE_PRIM_TRIANGLES:
*first = 3;
*incr = 3;
break;
+ case PIPE_PRIM_TRIANGLES_ADJACENCY:
+ *first = 6;
+ *incr = 6;
+ break;
case PIPE_PRIM_TRIANGLE_STRIP:
case PIPE_PRIM_TRIANGLE_FAN:
case PIPE_PRIM_POLYGON:
*first = 3;
*incr = 1;
break;
+ case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
+ *first = 6;
+ *incr = 2;
+ break;
case PIPE_PRIM_QUADS:
*first = 4;
*incr = 4;
break;
}
}
+
+unsigned draw_pt_trim_count(unsigned count, unsigned first, unsigned incr)
+{
+ if (count < first)
+ return 0;
+ return count - (count - first) % incr;
+}