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_range_elements(struct svga_context
*svga
,
40 struct pipe_resource
*indexBuffer
,
45 unsigned prim
, unsigned start
, unsigned count
)
47 struct pipe_transfer
*vb_transfer
[PIPE_MAX_ATTRIBS
];
48 struct pipe_transfer
*ib_transfer
= NULL
;
49 struct pipe_transfer
*cb_transfer
= NULL
;
50 struct draw_context
*draw
= svga
->swtnl
.draw
;
56 assert(svga
->state
.sw
.need_swtnl
);
59 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
61 svga_context_flush(svga
, NULL
);
62 ret
= svga_update_state(svga
, SVGA_STATE_SWTNL_DRAW
);
63 svga
->swtnl
.new_vbuf
= TRUE
;
64 assert(ret
== PIPE_OK
);
70 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
71 map
= pipe_buffer_map(&svga
->pipe
,
72 svga
->curr
.vb
[i
].buffer
,
76 draw_set_mapped_vertex_buffer(draw
, i
, map
);
79 /* Map index buffer, if present */
81 map
= pipe_buffer_map(&svga
->pipe
, indexBuffer
,
85 draw_set_mapped_element_buffer_range(draw
,
92 if (svga
->curr
.cb
[PIPE_SHADER_VERTEX
]) {
93 map
= pipe_buffer_map(&svga
->pipe
,
94 svga
->curr
.cb
[PIPE_SHADER_VERTEX
],
98 draw_set_mapped_constant_buffer(
99 draw
, PIPE_SHADER_VERTEX
, 0,
101 svga
->curr
.cb
[PIPE_SHADER_VERTEX
]->width0
);
104 draw_arrays(svga
->swtnl
.draw
, prim
, start
, count
);
106 draw_flush(svga
->swtnl
.draw
);
108 /* Ensure the draw module didn't touch this */
109 assert(i
== svga
->curr
.num_vertex_buffers
);
112 * unmap vertex/index buffers
114 for (i
= 0; i
< svga
->curr
.num_vertex_buffers
; i
++) {
115 pipe_buffer_unmap(&svga
->pipe
, svga
->curr
.vb
[i
].buffer
,
117 draw_set_mapped_vertex_buffer(draw
, i
, NULL
);
121 pipe_buffer_unmap(&svga
->pipe
, indexBuffer
, ib_transfer
);
122 draw_set_mapped_element_buffer(draw
, 0, 0, NULL
);
125 if (svga
->curr
.cb
[PIPE_SHADER_VERTEX
]) {
126 pipe_buffer_unmap(&svga
->pipe
,
127 svga
->curr
.cb
[PIPE_SHADER_VERTEX
],
137 boolean
svga_init_swtnl( struct svga_context
*svga
)
139 svga
->swtnl
.backend
= svga_vbuf_render_create(svga
);
140 if(!svga
->swtnl
.backend
)
144 * Create drawing context and plug our rendering stage into it.
146 svga
->swtnl
.draw
= draw_create(&svga
->pipe
);
147 if (svga
->swtnl
.draw
== NULL
)
151 draw_set_rasterize_stage(svga
->swtnl
.draw
,
152 draw_vbuf_stage( svga
->swtnl
.draw
, svga
->swtnl
.backend
));
154 draw_set_render(svga
->swtnl
.draw
, svga
->swtnl
.backend
);
156 draw_install_aaline_stage(svga
->swtnl
.draw
, &svga
->pipe
);
157 draw_install_aapoint_stage(svga
->swtnl
.draw
, &svga
->pipe
);
158 draw_install_pstipple_stage(svga
->swtnl
.draw
, &svga
->pipe
);
160 draw_set_driver_clipping(svga
->swtnl
.draw
, debug_get_bool_option("SVGA_SWTNL_FSE", FALSE
));
165 if (svga
->swtnl
.backend
)
166 svga
->swtnl
.backend
->destroy( svga
->swtnl
.backend
);
168 if (svga
->swtnl
.draw
)
169 draw_destroy( svga
->swtnl
.draw
);
175 void svga_destroy_swtnl( struct svga_context
*svga
)
177 draw_destroy( svga
->swtnl
.draw
);