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+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * 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
+ * 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>
+ */
+
+#ifndef G_PRIM_H
+#define G_PRIM_H
+
+#include "glheader.h"
+#include "g_headers.h"
+
+struct generic_context;
+
+struct prim_stage *prim_setup( struct generic_context *context );
+struct prim_stage *prim_unfilled( struct generic_context *context );
+struct prim_stage *prim_twoside( struct generic_context *context );
+struct prim_stage *prim_offset( struct generic_context *context );
+struct prim_stage *prim_clip( struct generic_context *context );
+struct prim_stage *prim_flatshade( struct generic_context *context );
+struct prim_stage *prim_cull( struct generic_context *context );
+
+
+/* Internal structs and helpers for the primitive clip/setup pipeline:
+ */
+struct prim_stage {
+ struct generic_context *generic;
+
+ struct prim_stage *next;
+
+ struct vertex_header **tmp;
+ GLuint nr_tmps;
+
+ void (*begin)( struct prim_stage * );
+
+ void (*point)( struct prim_stage *,
+ struct prim_header * );
+
+ void (*line)( struct prim_stage *,
+ struct prim_header * );
+
+ void (*tri)( struct prim_stage *,
+ struct prim_header * );
+
+ void (*end)( struct prim_stage * );
+};
+
+
+
+/* Get a writeable copy of a vertex:
+ */
+static INLINE struct vertex_header *
+dup_vert( struct prim_stage *stage,
+ const struct vertex_header *vert,
+ GLuint idx )
+{
+ struct vertex_header *tmp = stage->tmp[idx];
+ memcpy(tmp, vert, stage->generic->prim.vertex_size );
+ return tmp;
+}
+
+void prim_free_tmps( struct prim_stage *stage );
+void prim_alloc_tmps( struct prim_stage *stage, GLuint nr );
+
+
+#endif