1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
34 #include "pipe/p_defines.h"
35 #include "pipe/p_context.h"
36 #include "util/u_inlines.h"
37 #include "util/u_prim.h"
39 #include "sp_context.h"
42 #include "sp_buffer.h"
44 #include "draw/draw_context.h"
52 * Draw vertex arrays, with optional indexing.
53 * Basically, map the vertex buffers (and drawing surfaces), then hand off
54 * the drawing to the 'draw' module.
57 softpipe_draw_range_elements_instanced(struct pipe_context
*pipe
,
58 struct pipe_buffer
*indexBuffer
,
65 unsigned startInstance
,
66 unsigned instanceCount
);
70 softpipe_draw_arrays(struct pipe_context
*pipe
, unsigned mode
,
71 unsigned start
, unsigned count
)
73 softpipe_draw_range_elements_instanced(pipe
,
87 softpipe_draw_range_elements(struct pipe_context
*pipe
,
88 struct pipe_buffer
*indexBuffer
,
92 unsigned mode
, unsigned start
, unsigned count
)
94 softpipe_draw_range_elements_instanced(pipe
,
108 softpipe_draw_elements(struct pipe_context
*pipe
,
109 struct pipe_buffer
*indexBuffer
,
111 unsigned mode
, unsigned start
, unsigned count
)
113 softpipe_draw_range_elements_instanced(pipe
,
126 softpipe_draw_arrays_instanced(struct pipe_context
*pipe
,
130 unsigned startInstance
,
131 unsigned instanceCount
)
133 softpipe_draw_range_elements_instanced(pipe
,
146 softpipe_draw_elements_instanced(struct pipe_context
*pipe
,
147 struct pipe_buffer
*indexBuffer
,
152 unsigned startInstance
,
153 unsigned instanceCount
)
155 softpipe_draw_range_elements_instanced(pipe
,
168 softpipe_draw_range_elements_instanced(struct pipe_context
*pipe
,
169 struct pipe_buffer
*indexBuffer
,
176 unsigned startInstance
,
177 unsigned instanceCount
)
179 struct softpipe_context
*sp
= softpipe_context(pipe
);
180 struct draw_context
*draw
= sp
->draw
;
183 if (!softpipe_check_render_cond(sp
))
186 sp
->reduced_api_prim
= u_reduced_prim(mode
);
189 softpipe_update_derived(sp
);
192 softpipe_map_transfers(sp
);
194 /* Map vertex buffers */
195 for (i
= 0; i
< sp
->num_vertex_buffers
; i
++) {
196 void *buf
= softpipe_buffer(sp
->vertex_buffer
[i
].buffer
)->data
;
197 draw_set_mapped_vertex_buffer(draw
, i
, buf
);
200 /* Map index buffer, if present */
202 void *mapped_indexes
= softpipe_buffer(indexBuffer
)->data
;
203 draw_set_mapped_element_buffer_range(draw
,
209 /* no index/element buffer */
210 draw_set_mapped_element_buffer_range(draw
,
218 draw_arrays_instanced(draw
, mode
, start
, count
, startInstance
, instanceCount
);
220 /* unmap vertex/index buffers - will cause draw module to flush */
221 for (i
= 0; i
< sp
->num_vertex_buffers
; i
++) {
222 draw_set_mapped_vertex_buffer(draw
, i
, NULL
);
225 draw_set_mapped_element_buffer(draw
, 0, NULL
);
229 * TODO: Flush only when a user vertex/index buffer is present
230 * (or even better, modify draw module to do this
231 * internally when this condition is seen?)
235 /* Note: leave drawing surfaces mapped */
236 sp
->dirty_render_cache
= TRUE
;