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
[SVGA_MAX_CONST_BUFS
] = { 0 };
46 struct draw_context
*draw
= svga
->swtnl
.draw
;
47 MAYBE_UNUSED
unsigned old_num_vertex_buffers
;
52 SVGA_STATS_TIME_PUSH(svga_sws(svga
), SVGA_STATS_TIME_SWTNLDRAWVBO
);
55 assert(svga
->state
.sw
.need_swtnl
);
58 /* Make sure that the need_swtnl flag does not go away */
59 svga
->state
.sw
.in_swtnl_draw
= TRUE
;
61 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
63 svga_context_flush(svga
, NULL
);
64 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
65 svga
->swtnl
.new_vbuf
= TRUE
;
66 assert(ret
== PIPE_OK
);
72 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
73 if (svga
->curr
.vb
[i
].buffer
) {
74 map
= pipe_buffer_map(&svga
->pipe
,
75 svga
->curr
.vb
[i
].buffer
,
79 draw_set_mapped_vertex_buffer(draw
, i
, map
, ~0);
82 old_num_vertex_buffers
= svga
->curr
.num_vertex_buffers
;
84 /* Map index buffer, if present */
86 if (info
->indexed
&& svga
->curr
.ib
.buffer
) {
87 map
= pipe_buffer_map(&svga
->pipe
, svga
->curr
.ib
.buffer
,
90 draw_set_indexes(draw
,
91 (const ubyte
*) map
+ svga
->curr
.ib
.offset
,
92 svga
->curr
.ib
.index_size
, ~0);
95 /* Map constant buffers */
96 for (i
= 0; i
< ARRAY_SIZE(svga
->curr
.constbufs
[PIPE_SHADER_VERTEX
]); ++i
) {
97 if (svga
->curr
.constbufs
[PIPE_SHADER_VERTEX
][i
].buffer
== NULL
) {
101 map
= pipe_buffer_map(&svga
->pipe
,
102 svga
->curr
.constbufs
[PIPE_SHADER_VERTEX
][i
].buffer
,
106 draw_set_mapped_constant_buffer(
107 draw
, PIPE_SHADER_VERTEX
, i
,
109 svga
->curr
.constbufs
[PIPE_SHADER_VERTEX
][i
].buffer
->width0
);
112 draw_vbo(draw
, info
);
114 draw_flush(svga
->swtnl
.draw
);
116 /* Ensure the draw module didn't touch this */
117 assert(old_num_vertex_buffers
== svga
->curr
.num_vertex_buffers
);
120 * unmap vertex/index buffers
122 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
123 if (svga
->curr
.vb
[i
].buffer
) {
124 pipe_buffer_unmap(&svga
->pipe
, vb_transfer
[i
]);
125 draw_set_mapped_vertex_buffer(draw
, i
, NULL
, 0);
130 pipe_buffer_unmap(&svga
->pipe
, ib_transfer
);
131 draw_set_indexes(draw
, NULL
, 0, 0);
134 for (i
= 0; i
< ARRAY_SIZE(svga
->curr
.constbufs
[PIPE_SHADER_VERTEX
]); ++i
) {
135 if (svga
->curr
.constbufs
[PIPE_SHADER_VERTEX
][i
].buffer
) {
136 pipe_buffer_unmap(&svga
->pipe
, cb_transfer
[i
]);
140 /* Now safe to remove the need_swtnl flag in any update_state call */
141 svga
->state
.sw
.in_swtnl_draw
= FALSE
;
142 svga
->dirty
|= SVGA_NEW_NEED_PIPELINE
| SVGA_NEW_NEED_SWVFETCH
;
144 SVGA_STATS_TIME_POP(svga_sws(svga
));
151 boolean
svga_init_swtnl( struct svga_context
*svga
)
153 struct svga_screen
*screen
= svga_screen(svga
->pipe
.screen
);
155 svga
->swtnl
.backend
= svga_vbuf_render_create(svga
);
156 if(!svga
->swtnl
.backend
)
160 * Create drawing context and plug our rendering stage into it.
162 svga
->swtnl
.draw
= draw_create(&svga
->pipe
);
163 if (svga
->swtnl
.draw
== NULL
)
167 draw_set_rasterize_stage(svga
->swtnl
.draw
,
168 draw_vbuf_stage( svga
->swtnl
.draw
, svga
->swtnl
.backend
));
170 draw_set_render(svga
->swtnl
.draw
, svga
->swtnl
.backend
);
172 svga
->blitter
= util_blitter_create(&svga
->pipe
);
176 /* must be done before installing Draw stages */
177 util_blitter_cache_all_shaders(svga
->blitter
);
179 if (!screen
->haveLineSmooth
)
180 draw_install_aaline_stage(svga
->swtnl
.draw
, &svga
->pipe
);
182 /* enable/disable line stipple stage depending on device caps */
183 draw_enable_line_stipple(svga
->swtnl
.draw
, !screen
->haveLineStipple
);
185 /* always install AA point stage */
186 draw_install_aapoint_stage(svga
->swtnl
.draw
, &svga
->pipe
);
188 /* Set wide line threshold above device limit (so we'll never really use it)
190 draw_wide_line_threshold(svga
->swtnl
.draw
,
191 MAX2(screen
->maxLineWidth
,
192 screen
->maxLineWidthAA
));
194 if (debug_get_bool_option("SVGA_SWTNL_FSE", FALSE
))
195 draw_set_driver_clipping(svga
->swtnl
.draw
, TRUE
, TRUE
, TRUE
, FALSE
);
201 util_blitter_destroy(svga
->blitter
);
203 if (svga
->swtnl
.backend
)
204 svga
->swtnl
.backend
->destroy( svga
->swtnl
.backend
);
206 if (svga
->swtnl
.draw
)
207 draw_destroy( svga
->swtnl
.draw
);
213 void svga_destroy_swtnl( struct svga_context
*svga
)
215 draw_destroy( svga
->swtnl
.draw
);