bb57f6f30f87456f5e5de7d9df8b9c674df24742
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_swtnl.h"
33 #include "svga_state.h"
34 #include "svga_swtnl_private.h"
39 svga_swtnl_draw_vbo(struct svga_context
*svga
,
40 const struct pipe_draw_info
*info
)
42 struct pipe_transfer
*vb_transfer
[PIPE_MAX_ATTRIBS
] = { 0 };
43 struct pipe_transfer
*ib_transfer
= NULL
;
44 struct pipe_transfer
*cb_transfer
= NULL
;
45 struct draw_context
*draw
= svga
->swtnl
.draw
;
51 assert(svga
->state
.sw
.need_swtnl
);
54 /* Make sure that the need_swtnl flag does not go away */
55 svga
->state
.sw
.in_swtnl_draw
= TRUE
;
57 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
59 svga_context_flush(svga
, NULL
);
60 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
61 svga
->swtnl
.new_vbuf
= TRUE
;
62 assert(ret
== PIPE_OK
);
68 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
69 if (svga
->curr
.vb
[i
].buffer
) {
70 map
= pipe_buffer_map(&svga
->pipe
,
71 svga
->curr
.vb
[i
].buffer
,
75 draw_set_mapped_vertex_buffer(draw
, i
, map
);
79 /* Map index buffer, if present */
81 if (info
->indexed
&& svga
->curr
.ib
.buffer
) {
82 map
= pipe_buffer_map(&svga
->pipe
, svga
->curr
.ib
.buffer
,
85 draw_set_indexes(draw
,
86 (const ubyte
*) map
+ svga
->curr
.ib
.offset
,
87 svga
->curr
.ib
.index_size
);
90 if (svga
->curr
.cb
[PIPE_SHADER_VERTEX
]) {
91 map
= pipe_buffer_map(&svga
->pipe
,
92 svga
->curr
.cb
[PIPE_SHADER_VERTEX
],
96 draw_set_mapped_constant_buffer(
97 draw
, PIPE_SHADER_VERTEX
, 0,
99 svga
->curr
.cb
[PIPE_SHADER_VERTEX
]->width0
);
102 draw_vbo(draw
, info
);
104 draw_flush(svga
->swtnl
.draw
);
106 /* Ensure the draw module didn't touch this */
107 assert(i
== svga
->curr
.num_vertex_buffers
);
110 * unmap vertex/index buffers
112 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
113 if (svga
->curr
.vb
[i
].buffer
) {
114 pipe_buffer_unmap(&svga
->pipe
, vb_transfer
[i
]);
115 draw_set_mapped_vertex_buffer(draw
, i
, NULL
);
120 pipe_buffer_unmap(&svga
->pipe
, ib_transfer
);
121 draw_set_indexes(draw
, NULL
, 0);
124 if (svga
->curr
.cb
[PIPE_SHADER_VERTEX
]) {
125 pipe_buffer_unmap(&svga
->pipe
, cb_transfer
);
128 /* Now safe to remove the need_swtnl flag in any update_state call */
129 svga
->state
.sw
.in_swtnl_draw
= FALSE
;
130 svga
->dirty
|= SVGA_NEW_NEED_PIPELINE
| SVGA_NEW_NEED_SWVFETCH
;
138 boolean
svga_init_swtnl( struct svga_context
*svga
)
140 svga
->swtnl
.backend
= svga_vbuf_render_create(svga
);
141 if(!svga
->swtnl
.backend
)
145 * Create drawing context and plug our rendering stage into it.
147 svga
->swtnl
.draw
= draw_create(&svga
->pipe
);
148 if (svga
->swtnl
.draw
== NULL
)
152 draw_set_rasterize_stage(svga
->swtnl
.draw
,
153 draw_vbuf_stage( svga
->swtnl
.draw
, svga
->swtnl
.backend
));
155 draw_set_render(svga
->swtnl
.draw
, svga
->swtnl
.backend
);
157 svga
->blitter
= util_blitter_create(&svga
->pipe
);
161 /* must be done before installing Draw stages */
162 util_blitter_cache_all_shaders(svga
->blitter
);
164 draw_install_aaline_stage(svga
->swtnl
.draw
, &svga
->pipe
);
165 draw_install_aapoint_stage(svga
->swtnl
.draw
, &svga
->pipe
);
166 draw_install_pstipple_stage(svga
->swtnl
.draw
, &svga
->pipe
);
168 if (debug_get_bool_option("SVGA_SWTNL_FSE", FALSE
))
169 draw_set_driver_clipping(svga
->swtnl
.draw
, TRUE
, TRUE
, TRUE
);
175 util_blitter_destroy(svga
->blitter
);
177 if (svga
->swtnl
.backend
)
178 svga
->swtnl
.backend
->destroy( svga
->swtnl
.backend
);
180 if (svga
->swtnl
.draw
)
181 draw_destroy( svga
->swtnl
.draw
);
187 void svga_destroy_swtnl( struct svga_context
*svga
)
189 draw_destroy( svga
->swtnl
.draw
);