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 **************************************************************************/
29 * Keith Whitwell <keith@tungstengraphics.com>
35 #include "tnl/t_context.h"
38 #include "sp_context.h"
44 static void softpipe_destroy( struct pipe_context
*pipe
)
46 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
48 draw_destroy( softpipe
->draw
);
54 static void softpipe_draw_vb( struct pipe_context
*pipe
,
55 struct vertex_buffer
*VB
)
57 struct softpipe_context
*softpipe
= softpipe_context( pipe
);
60 softpipe_update_derived( softpipe
);
62 draw_vb( softpipe
->draw
, VB
);
65 struct pipe_context
*softpipe_create( void )
67 struct softpipe_context
*softpipe
= CALLOC_STRUCT(softpipe_context
);
69 softpipe
->pipe
.destroy
= softpipe_destroy
;
70 softpipe
->pipe
.set_framebuffer_state
= softpipe_set_framebuffer_state
;
71 softpipe
->pipe
.set_clip_state
= softpipe_set_clip_state
;
72 softpipe
->pipe
.set_clear_color_state
= softpipe_set_clear_color_state
;
73 softpipe
->pipe
.set_point_state
= softpipe_set_point_state
;
74 softpipe
->pipe
.set_viewport
= softpipe_set_viewport
;
75 softpipe
->pipe
.set_setup_state
= softpipe_set_setup_state
;
76 softpipe
->pipe
.set_scissor_rect
= softpipe_set_scissor_rect
;
77 softpipe
->pipe
.set_fs_state
= softpipe_set_fs_state
;
78 softpipe
->pipe
.set_polygon_stipple
= softpipe_set_polygon_stipple
;
79 softpipe
->pipe
.draw_vb
= softpipe_draw_vb
;
80 softpipe
->pipe
.clear
= softpipe_clear
;
83 softpipe
->prim
.setup
= prim_setup( softpipe
);
84 softpipe
->prim
.unfilled
= prim_unfilled( softpipe
);
85 softpipe
->prim
.twoside
= prim_twoside( softpipe
);
86 softpipe
->prim
.offset
= prim_offset( softpipe
);
87 softpipe
->prim
.clip
= prim_clip( softpipe
);
88 softpipe
->prim
.flatshade
= prim_flatshade( softpipe
);
89 softpipe
->prim
.cull
= prim_cull( softpipe
);
92 softpipe
->draw
= draw_create( softpipe
);
94 ASSIGN_4V( softpipe
->plane
[0], -1, 0, 0, 1 );
95 ASSIGN_4V( softpipe
->plane
[1], 1, 0, 0, 1 );
96 ASSIGN_4V( softpipe
->plane
[2], 0, -1, 0, 1 );
97 ASSIGN_4V( softpipe
->plane
[3], 0, 1, 0, 1 );
98 ASSIGN_4V( softpipe
->plane
[4], 0, 0, 1, 1 ); /* yes these are correct */
99 ASSIGN_4V( softpipe
->plane
[5], 0, 0, -1, 1 ); /* mesa's a bit wonky */
100 softpipe
->nr_planes
= 6;
102 return &softpipe
->pipe
;
110 #define MAX_VERTEX_SIZE ((2 + FRAG_ATTRIB_MAX) * 4 * sizeof(GLfloat))
112 void prim_alloc_tmps( struct prim_stage
*stage
, GLuint nr
)
117 GLubyte
*store
= MALLOC(MAX_VERTEX_SIZE
* nr
);
120 stage
->tmp
= MALLOC(sizeof(struct vertex_header
*) * nr
);
122 for (i
= 0; i
< nr
; i
++)
123 stage
->tmp
[i
] = (struct vertex_header
*)(store
+ i
* MAX_VERTEX_SIZE
);
127 void prim_free_tmps( struct prim_stage
*stage
)