1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Copyright 2008 VMware, Inc. All rights reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
33 #include "draw/draw_context.h"
34 #include "draw/draw_vbuf.h"
35 #include "pipe/p_defines.h"
36 #include "util/u_inlines.h"
37 #include "util/u_math.h"
38 #include "util/u_memory.h"
39 #include "util/u_simple_list.h"
41 #include "lp_context.h"
45 #include "lp_surface.h"
50 DEBUG_GET_ONCE_BOOL_OPTION(lp_no_rast
, "LP_NO_RAST", FALSE
)
53 static void llvmpipe_destroy( struct pipe_context
*pipe
)
55 struct llvmpipe_context
*llvmpipe
= llvmpipe_context( pipe
);
60 /* This will also destroy llvmpipe->setup:
63 draw_destroy( llvmpipe
->draw
);
65 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
66 pipe_surface_reference(&llvmpipe
->framebuffer
.cbufs
[i
], NULL
);
69 pipe_surface_reference(&llvmpipe
->framebuffer
.zsbuf
, NULL
);
71 for (i
= 0; i
< PIPE_MAX_SAMPLERS
; i
++) {
72 pipe_sampler_view_reference(&llvmpipe
->fragment_sampler_views
[i
], NULL
);
75 for (i
= 0; i
< PIPE_MAX_VERTEX_SAMPLERS
; i
++) {
76 pipe_sampler_view_reference(&llvmpipe
->vertex_sampler_views
[i
], NULL
);
79 for (i
= 0; i
< Elements(llvmpipe
->constants
); i
++) {
80 for (j
= 0; j
< Elements(llvmpipe
->constants
[i
]); j
++) {
81 pipe_resource_reference(&llvmpipe
->constants
[i
][j
], NULL
);
85 align_free( llvmpipe
);
90 llvmpipe_create_context( struct pipe_screen
*screen
, void *priv
)
92 struct llvmpipe_context
*llvmpipe
;
94 llvmpipe
= align_malloc(sizeof(struct llvmpipe_context
), 16);
100 memset(llvmpipe
, 0, sizeof *llvmpipe
);
102 make_empty_list(&llvmpipe
->fs_variants_list
);
104 llvmpipe
->pipe
.winsys
= screen
->winsys
;
105 llvmpipe
->pipe
.screen
= screen
;
106 llvmpipe
->pipe
.priv
= priv
;
108 /* Init the pipe context methods */
109 llvmpipe
->pipe
.destroy
= llvmpipe_destroy
;
110 llvmpipe
->pipe
.set_framebuffer_state
= llvmpipe_set_framebuffer_state
;
111 llvmpipe
->pipe
.clear
= llvmpipe_clear
;
112 llvmpipe
->pipe
.flush
= llvmpipe_flush
;
114 llvmpipe_init_blend_funcs(llvmpipe
);
115 llvmpipe_init_clip_funcs(llvmpipe
);
116 llvmpipe_init_draw_funcs(llvmpipe
);
117 llvmpipe_init_sampler_funcs(llvmpipe
);
118 llvmpipe_init_query_funcs( llvmpipe
);
119 llvmpipe_init_vertex_funcs(llvmpipe
);
120 llvmpipe_init_so_funcs(llvmpipe
);
121 llvmpipe_init_fs_funcs(llvmpipe
);
122 llvmpipe_init_vs_funcs(llvmpipe
);
123 llvmpipe_init_gs_funcs(llvmpipe
);
124 llvmpipe_init_rasterizer_funcs(llvmpipe
);
125 llvmpipe_init_context_resource_funcs( &llvmpipe
->pipe
);
126 llvmpipe_init_surface_functions(llvmpipe
);
129 * Create drawing context and plug our rendering stage into it.
131 llvmpipe
->draw
= draw_create(&llvmpipe
->pipe
);
135 /* FIXME: devise alternative to draw_texture_samplers */
137 if (debug_get_option_lp_no_rast())
138 llvmpipe
->no_rast
= TRUE
;
140 llvmpipe
->setup
= lp_setup_create( &llvmpipe
->pipe
,
142 if (!llvmpipe
->setup
)
145 /* plug in AA line/point stages */
146 draw_install_aaline_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
147 draw_install_aapoint_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
148 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
150 /* convert points and lines into triangles: */
151 draw_wide_point_threshold(llvmpipe
->draw
, 0.0);
152 draw_wide_line_threshold(llvmpipe
->draw
, 0.0);
154 #if USE_DRAW_STAGE_PSTIPPLE
155 /* Do polygon stipple w/ texture map + frag prog? */
156 draw_install_pstipple_stage(llvmpipe
->draw
, &llvmpipe
->pipe
);
161 return &llvmpipe
->pipe
;
164 llvmpipe_destroy(&llvmpipe
->pipe
);