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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.
*
**************************************************************************/
/* Author:
* Brian Paul
*/
#ifndef DRAW_VERTEX_H
#define DRAW_VERTEX_H
#include "pipe/tgsi/exec/tgsi_attribs.h"
#define MAX_VERT_ATTRIBS 12 /* OK? */
#define FORMAT_OMIT 0
#define FORMAT_1F 1
#define FORMAT_2F 2
#define FORMAT_3F 3
#define FORMAT_4F 4
#define FORMAT_4F_VIEWPORT 4
#define FORMAT_4UB 5
enum interp_mode {
INTERP_NONE, /**< never interpolate vertex header info */
INTERP_CONSTANT,
INTERP_LINEAR,
INTERP_PERSPECTIVE
};
struct vertex_info
{
uint num_attribs;
uint hwfmt[4]; /**< hardware format info for this format */
uint attr_mask; /**< mask of VF_ATTR_ bits */
uint slot_to_attrib[MAX_VERT_ATTRIBS];
uint attrib_to_slot[TGSI_ATTRIB_MAX];
uint interp_mode[MAX_VERT_ATTRIBS];
uint format[MAX_VERT_ATTRIBS]; /**< FORMAT_x */
uint size; /**< total vertex size in dwords */
};
struct draw_context;
extern int draw_vertex_cache_check_space( struct draw_context *draw,
unsigned nr_verts );
extern void draw_vertex_cache_validate( struct draw_context *draw );
extern void draw_vertex_cache_invalidate( struct draw_context *draw );
extern void draw_vertex_cache_unreference( struct draw_context *draw );
extern void draw_vertex_shader_queue_flush( struct draw_context *draw );
struct tgsi_exec_machine;
extern void draw_vertex_fetch( struct draw_context *draw,
struct tgsi_exec_machine *machine,
const unsigned *elts,
unsigned count );
#endif /* DRAW_VERTEX_H */
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