draw_vs.h revision 882e5d84dcb19c24b7b56cfe6049810023f3a17e 
1/**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28/* Authors:  Keith Whitwell <keith@tungstengraphics.com>
29 */
30
31#ifndef DRAW_VS_H
32#define DRAW_VS_H
33
34#include "draw_context.h"
35#include "draw_private.h"
36
37
38struct draw_context;
39struct pipe_shader_state;
40
41/**
42 * Private version of the compiled vertex_shader
43 */
44struct draw_vertex_shader {
45
46   /* This member will disappear shortly:
47    */
48   struct pipe_shader_state   state;
49
50   struct tgsi_shader_info info;
51
52   void (*prepare)( struct draw_vertex_shader *shader,
53		    struct draw_context *draw );
54
55   /* Run the shader - this interface will get cleaned up in the
56    * future:
57    */
58   void (*run_linear)( struct draw_vertex_shader *shader,
59		       const float (*input)[4],
60		       float (*output)[4],
61		       const float (*constants)[4],
62		       unsigned count,
63		       unsigned input_stride,
64		       unsigned output_stride );
65
66
67   void (*delete)( struct draw_vertex_shader * );
68};
69
70
71struct draw_vertex_shader *
72draw_create_vs_exec(struct draw_context *draw,
73		    const struct pipe_shader_state *templ);
74
75struct draw_vertex_shader *
76draw_create_vs_sse(struct draw_context *draw,
77		   const struct pipe_shader_state *templ);
78
79struct draw_vertex_shader *
80draw_create_vs_llvm(struct draw_context *draw,
81		    const struct pipe_shader_state *templ);
82
83
84#define MAX_TGSI_VERTICES 4
85
86
87#endif
88