1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
30 #include "pipe/p_compiler.h"
35 LP_INTERP_PERSPECTIVE
,
40 /* Describes how to generate all the fragment shader inputs from the
41 * the vertices passed into our triangle/line/point functions.
43 * Vertices are treated as an array of float[4] values, indexed by
46 struct lp_shader_input
{
47 enum lp_interp interp
; /* how to interpolate values */
48 unsigned src_index
; /* where to find values in incoming vertices */
54 struct lp_jit_context
;
56 struct setup_context
*
57 lp_setup_create( void );
60 lp_setup_clear(struct setup_context
*setup
,
61 const float *clear_color
,
63 unsigned clear_stencil
,
67 lp_setup_tri(struct setup_context
*setup
,
70 const float (*v2
)[4]);
73 lp_setup_line(struct setup_context
*setup
,
75 const float (*v1
)[4]);
78 lp_setup_point( struct setup_context
*setup
,
79 const float (*v0
)[4] );
83 lp_setup_flush( struct setup_context
*setup
,
88 lp_setup_bind_framebuffer( struct setup_context
*setup
,
89 struct pipe_surface
*color
,
90 struct pipe_surface
*zstencil
);
93 lp_setup_set_triangle_state( struct setup_context
*setup
,
95 boolean front_is_ccw
);
98 lp_setup_set_fs_inputs( struct setup_context
*setup
,
99 const struct lp_shader_input
*interp
,
103 lp_setup_set_shader_state( struct setup_context
*setup
,
104 const struct lp_jit_context
*jc
);
107 lp_setup_is_texture_referenced( struct setup_context
*setup
,
108 const struct pipe_texture
*texture
);
112 lp_setup_destroy( struct setup_context
*setup
);