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,
44 unsigned prim, unsigned start, unsigned count)
46 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
47 struct pipe_transfer *ib_transfer;
48 struct pipe_transfer *cb_transfer;
49 struct draw_context *draw = svga->swtnl.draw;
55 assert(svga->state.sw.need_swtnl);
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 map = pipe_buffer_map(&svga->pipe,
71 svga->curr.vb[i].buffer,
75 draw_set_mapped_vertex_buffer(draw, i, map);
78 /* Map index buffer, if present */
80 map = pipe_buffer_map(&svga->pipe, indexBuffer,
84 draw_set_mapped_element_buffer_range(draw,
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_arrays(svga->swtnl.draw, prim, start, count);
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 pipe_buffer_unmap(&svga->pipe, svga->curr.vb[i].buffer,
116 draw_set_mapped_vertex_buffer(draw, i, NULL);
120 pipe_buffer_unmap(&svga->pipe, indexBuffer, ib_transfer);
121 draw_set_mapped_element_buffer(draw, 0, NULL);
124 if (svga->curr.cb[PIPE_SHADER_VERTEX]) {
125 pipe_buffer_unmap(&svga->pipe,
126 svga->curr.cb[PIPE_SHADER_VERTEX],
136 boolean svga_init_swtnl( struct svga_context *svga )
138 svga->swtnl.backend = svga_vbuf_render_create(svga);
139 if(!svga->swtnl.backend)
143 * Create drawing context and plug our rendering stage into it.
145 svga->swtnl.draw = draw_create();
146 if (svga->swtnl.draw == NULL)
150 draw_set_rasterize_stage(svga->swtnl.draw,
151 draw_vbuf_stage( svga->swtnl.draw, svga->swtnl.backend ));
153 draw_set_render(svga->swtnl.draw, svga->swtnl.backend);
155 draw_install_aaline_stage(svga->swtnl.draw, &svga->pipe);
156 draw_install_aapoint_stage(svga->swtnl.draw, &svga->pipe);
157 draw_install_pstipple_stage(svga->swtnl.draw, &svga->pipe);
159 draw_set_driver_clipping(svga->swtnl.draw, debug_get_bool_option("SVGA_SWTNL_FSE", FALSE));
164 if (svga->swtnl.backend)
165 svga->swtnl.backend->destroy( svga->swtnl.backend );
167 if (svga->swtnl.draw)
168 draw_destroy( svga->swtnl.draw );
174 void svga_destroy_swtnl( struct svga_context *svga )
176 draw_destroy( svga->swtnl.draw );