8fa7f9fbdec469a0dcd8ddea2288cb9515984fd6
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_texture.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_resource
*indexBuffer
,
66 unsigned startInstance
,
67 unsigned instanceCount
);
71 softpipe_draw_arrays(struct pipe_context
*pipe
, unsigned mode
,
72 unsigned start
, unsigned count
)
74 softpipe_draw_range_elements_instanced(pipe
,
88 softpipe_draw_auto(struct pipe_context
*pipe
, unsigned mode
)
90 struct softpipe_context
*sp
= softpipe_context(pipe
);
91 struct draw_context
*draw
= sp
->draw
;
92 const unsigned start
= 0;
93 const unsigned count
= sp
->so_target
.so_count
[0];
94 void *buf
= sp
->so_target
.buffer
[0]->data
;
95 int offset
= sp
->so_target
.offset
[0];
97 if (!softpipe_check_render_cond(sp
) ||
98 sp
->so_target
.num_buffers
!= 1)
101 sp
->reduced_api_prim
= u_reduced_prim(mode
);
104 softpipe_update_derived(sp
);
107 softpipe_map_transfers(sp
);
110 if (offset
< 0) /* we were appending so start from beginning */
112 buf
= (void*)((int32_t*)buf
+ offset
);
113 draw_set_mapped_vertex_buffer(draw
, 0, buf
);
115 draw_set_mapped_element_buffer_range(draw
,
122 draw_arrays_instanced(draw
, mode
, start
, count
, 0, 1);
124 /* unmap vertex/index buffers - will cause draw module to flush */
125 draw_set_mapped_vertex_buffer(draw
, 0, NULL
);
128 * TODO: Flush only when a user vertex/index buffer is present
129 * (or even better, modify draw module to do this
130 * internally when this condition is seen?)
134 /* Note: leave drawing surfaces mapped */
135 sp
->dirty_render_cache
= TRUE
;
140 softpipe_draw_range_elements(struct pipe_context
*pipe
,
141 struct pipe_resource
*indexBuffer
,
146 unsigned mode
, unsigned start
, unsigned count
)
148 softpipe_draw_range_elements_instanced(pipe
,
163 softpipe_draw_elements(struct pipe_context
*pipe
,
164 struct pipe_resource
*indexBuffer
,
165 unsigned indexSize
, int indexBias
,
166 unsigned mode
, unsigned start
, unsigned count
)
168 softpipe_draw_range_elements_instanced(pipe
,
182 softpipe_draw_arrays_instanced(struct pipe_context
*pipe
,
186 unsigned startInstance
,
187 unsigned instanceCount
)
189 softpipe_draw_range_elements_instanced(pipe
,
203 softpipe_draw_elements_instanced(struct pipe_context
*pipe
,
204 struct pipe_resource
*indexBuffer
,
210 unsigned startInstance
,
211 unsigned instanceCount
)
213 softpipe_draw_range_elements_instanced(pipe
,
227 softpipe_draw_range_elements_instanced(struct pipe_context
*pipe
,
228 struct pipe_resource
*indexBuffer
,
236 unsigned startInstance
,
237 unsigned instanceCount
)
239 struct softpipe_context
*sp
= softpipe_context(pipe
);
240 struct draw_context
*draw
= sp
->draw
;
243 if (!softpipe_check_render_cond(sp
))
246 sp
->reduced_api_prim
= u_reduced_prim(mode
);
249 softpipe_update_derived(sp
);
252 softpipe_map_transfers(sp
);
254 /* Map vertex buffers */
255 for (i
= 0; i
< sp
->num_vertex_buffers
; i
++) {
256 void *buf
= softpipe_resource(sp
->vertex_buffer
[i
].buffer
)->data
;
257 draw_set_mapped_vertex_buffer(draw
, i
, buf
);
260 /* Map index buffer, if present */
262 void *mapped_indexes
= softpipe_resource(indexBuffer
)->data
;
263 draw_set_mapped_element_buffer_range(draw
,
270 /* no index/element buffer */
271 draw_set_mapped_element_buffer_range(draw
,
279 draw_arrays_instanced(draw
, mode
, start
, count
, startInstance
, instanceCount
);
281 /* unmap vertex/index buffers - will cause draw module to flush */
282 for (i
= 0; i
< sp
->num_vertex_buffers
; i
++) {
283 draw_set_mapped_vertex_buffer(draw
, i
, NULL
);
286 draw_set_mapped_element_buffer(draw
, 0, 0, NULL
);
290 * TODO: Flush only when a user vertex/index buffer is present
291 * (or even better, modify draw module to do this
292 * internally when this condition is seen?)
296 /* Note: leave drawing surfaces mapped */
297 sp
->dirty_render_cache
= TRUE
;