1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "draw/draw_context.h"
27 #include "draw/draw_vbuf.h"
28 #include "util/u_inlines.h"
29 #include "pipe/p_state.h"
31 #include "svga_context.h"
32 #include "svga_screen.h"
33 #include "svga_swtnl.h"
34 #include "svga_state.h"
35 #include "svga_swtnl_private.h"
40 svga_swtnl_draw_vbo(struct svga_context
*svga
,
41 const struct pipe_draw_info
*info
)
43 struct pipe_transfer
*vb_transfer
[PIPE_MAX_ATTRIBS
] = { 0 };
44 struct pipe_transfer
*ib_transfer
= NULL
;
45 struct pipe_transfer
*cb_transfer
= NULL
;
46 struct draw_context
*draw
= svga
->swtnl
.draw
;
52 assert(svga
->state
.sw
.need_swtnl
);
55 /* Make sure that the need_swtnl flag does not go away */
56 svga
->state
.sw
.in_swtnl_draw
= TRUE
;
58 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
60 svga_context_flush(svga
, NULL
);
61 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
62 svga
->swtnl
.new_vbuf
= TRUE
;
63 assert(ret
== PIPE_OK
);
69 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
70 if (svga
->curr
.vb
[i
].buffer
) {
71 map
= pipe_buffer_map(&svga
->pipe
,
72 svga
->curr
.vb
[i
].buffer
,
76 draw_set_mapped_vertex_buffer(draw
, i
, map
, ~0);
80 /* Map index buffer, if present */
82 if (info
->indexed
&& svga
->curr
.ib
.buffer
) {
83 map
= pipe_buffer_map(&svga
->pipe
, svga
->curr
.ib
.buffer
,
86 draw_set_indexes(draw
,
87 (const ubyte
*) map
+ svga
->curr
.ib
.offset
,
88 svga
->curr
.ib
.index_size
, ~0);
91 if (svga
->curr
.cb
[PIPE_SHADER_VERTEX
]) {
92 map
= pipe_buffer_map(&svga
->pipe
,
93 svga
->curr
.cb
[PIPE_SHADER_VERTEX
],
97 draw_set_mapped_constant_buffer(
98 draw
, PIPE_SHADER_VERTEX
, 0,
100 svga
->curr
.cb
[PIPE_SHADER_VERTEX
]->width0
);
103 draw_vbo(draw
, info
);
105 draw_flush(svga
->swtnl
.draw
);
107 /* Ensure the draw module didn't touch this */
108 assert(i
== svga
->curr
.num_vertex_buffers
);
111 * unmap vertex/index buffers
113 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
114 if (svga
->curr
.vb
[i
].buffer
) {
115 pipe_buffer_unmap(&svga
->pipe
, vb_transfer
[i
]);
116 draw_set_mapped_vertex_buffer(draw
, i
, NULL
, 0);
121 pipe_buffer_unmap(&svga
->pipe
, ib_transfer
);
122 draw_set_indexes(draw
, NULL
, 0, 0);
125 if (svga
->curr
.cb
[PIPE_SHADER_VERTEX
]) {
126 pipe_buffer_unmap(&svga
->pipe
, cb_transfer
);
129 /* Now safe to remove the need_swtnl flag in any update_state call */
130 svga
->state
.sw
.in_swtnl_draw
= FALSE
;
131 svga
->dirty
|= SVGA_NEW_NEED_PIPELINE
| SVGA_NEW_NEED_SWVFETCH
;
139 boolean
svga_init_swtnl( struct svga_context
*svga
)
141 struct svga_screen
*screen
= svga_screen(svga
->pipe
.screen
);
143 svga
->swtnl
.backend
= svga_vbuf_render_create(svga
);
144 if(!svga
->swtnl
.backend
)
148 * Create drawing context and plug our rendering stage into it.
150 svga
->swtnl
.draw
= draw_create(&svga
->pipe
);
151 if (svga
->swtnl
.draw
== NULL
)
155 draw_set_rasterize_stage(svga
->swtnl
.draw
,
156 draw_vbuf_stage( svga
->swtnl
.draw
, svga
->swtnl
.backend
));
158 draw_set_render(svga
->swtnl
.draw
, svga
->swtnl
.backend
);
160 svga
->blitter
= util_blitter_create(&svga
->pipe
);
164 /* must be done before installing Draw stages */
165 util_blitter_cache_all_shaders(svga
->blitter
);
167 if (!screen
->haveLineSmooth
)
168 draw_install_aaline_stage(svga
->swtnl
.draw
, &svga
->pipe
);
170 /* always install polygon stipple stage */
171 draw_install_pstipple_stage(svga
->swtnl
.draw
, &svga
->pipe
);
173 /* enable/disable line stipple stage depending on device caps */
174 draw_enable_line_stipple(svga
->swtnl
.draw
, !screen
->haveLineStipple
);
176 /* always install AA point stage */
177 draw_install_aapoint_stage(svga
->swtnl
.draw
, &svga
->pipe
);
179 /* Set wide line threshold above device limit (so we'll never really use it)
181 draw_wide_line_threshold(svga
->swtnl
.draw
,
182 MAX2(screen
->maxLineWidth
,
183 screen
->maxLineWidthAA
));
185 if (debug_get_bool_option("SVGA_SWTNL_FSE", FALSE
))
186 draw_set_driver_clipping(svga
->swtnl
.draw
, TRUE
, TRUE
, TRUE
, FALSE
);
192 util_blitter_destroy(svga
->blitter
);
194 if (svga
->swtnl
.backend
)
195 svga
->swtnl
.backend
->destroy( svga
->swtnl
.backend
);
197 if (svga
->swtnl
.draw
)
198 draw_destroy( svga
->swtnl
.draw
);
204 void svga_destroy_swtnl( struct svga_context
*svga
)
206 draw_destroy( svga
->swtnl
.draw
);