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 "pipe/p_winsys.h"
37 #include "pipe/p_inlines.h"
39 #include "cell_context.h"
40 #include "cell_draw_arrays.h"
41 #include "cell_state.h"
42 #include "cell_flush.h"
44 #include "draw/draw_context.h"
49 cell_map_constant_buffers(struct cell_context
*sp
)
51 struct pipe_winsys
*ws
= sp
->pipe
.winsys
;
53 for (i
= 0; i
< 2; i
++) {
54 if (sp
->constants
[i
].size
) {
55 sp
->mapped_constants
[i
] = ws
->buffer_map(ws
, sp
->constants
[i
].buffer
,
56 PIPE_BUFFER_USAGE_CPU_READ
);
57 cell_flush_buffer_range(sp
, sp
->mapped_constants
[i
],
58 sp
->constants
[i
].buffer
->size
);
62 draw_set_mapped_constant_buffer(sp
->draw
,
63 sp
->mapped_constants
[PIPE_SHADER_VERTEX
],
64 sp
->constants
[PIPE_SHADER_VERTEX
].size
);
68 cell_unmap_constant_buffers(struct cell_context
*sp
)
70 struct pipe_winsys
*ws
= sp
->pipe
.winsys
;
72 for (i
= 0; i
< 2; i
++) {
73 if (sp
->constants
[i
].size
)
74 ws
->buffer_unmap(ws
, sp
->constants
[i
].buffer
);
75 sp
->mapped_constants
[i
] = NULL
;
82 * Draw vertex arrays, with optional indexing.
83 * Basically, map the vertex buffers (and drawing surfaces), then hand off
84 * the drawing to the 'draw' module.
86 * XXX should the element buffer be specified/bound with a separate function?
89 cell_draw_range_elements(struct pipe_context
*pipe
,
90 struct pipe_buffer
*indexBuffer
,
94 unsigned mode
, unsigned start
, unsigned count
)
96 struct cell_context
*sp
= cell_context(pipe
);
97 struct draw_context
*draw
= sp
->draw
;
101 cell_update_derived( sp
);
104 cell_map_surfaces(sp
);
106 cell_map_constant_buffers(sp
);
111 for (i
= 0; i
< sp
->num_vertex_buffers
; i
++) {
112 void *buf
= pipe_buffer_map(pipe
->screen
,
113 sp
->vertex_buffer
[i
].buffer
,
114 PIPE_BUFFER_USAGE_CPU_READ
);
115 cell_flush_buffer_range(sp
, buf
, sp
->vertex_buffer
[i
].buffer
->size
);
116 draw_set_mapped_vertex_buffer(draw
, i
, buf
);
118 /* Map index buffer, if present */
120 void *mapped_indexes
= pipe_buffer_map(pipe
->screen
,
122 PIPE_BUFFER_USAGE_CPU_READ
);
123 draw_set_mapped_element_buffer(draw
, indexSize
, mapped_indexes
);
126 /* no index/element buffer */
127 draw_set_mapped_element_buffer(draw
, 0, NULL
);
132 draw_arrays(draw
, mode
, start
, count
);
135 * unmap vertex/index buffers - will cause draw module to flush
137 for (i
= 0; i
< sp
->num_vertex_buffers
; i
++) {
138 draw_set_mapped_vertex_buffer(draw
, i
, NULL
);
139 pipe_buffer_unmap(pipe
->screen
, sp
->vertex_buffer
[i
].buffer
);
142 draw_set_mapped_element_buffer(draw
, 0, NULL
);
143 pipe_buffer_unmap(pipe
->screen
, indexBuffer
);
146 /* Note: leave drawing surfaces mapped */
147 cell_unmap_constant_buffers(sp
);
154 cell_draw_elements(struct pipe_context
*pipe
,
155 struct pipe_buffer
*indexBuffer
,
157 unsigned mode
, unsigned start
, unsigned count
)
159 return cell_draw_range_elements( pipe
, indexBuffer
,
162 mode
, start
, count
);
167 cell_draw_arrays(struct pipe_context
*pipe
, unsigned mode
,
168 unsigned start
, unsigned count
)
170 return cell_draw_elements(pipe
, NULL
, 0, mode
, start
, count
);
175 cell_set_edgeflags(struct pipe_context
*pipe
, const unsigned *edgeflags
)
177 struct cell_context
*cell
= cell_context(pipe
);
178 draw_set_edgeflags(cell
->draw
, edgeflags
);
184 cell_init_draw_functions(struct cell_context
*cell
)
186 cell
->pipe
.draw_arrays
= cell_draw_arrays
;
187 cell
->pipe
.draw_elements
= cell_draw_elements
;
188 cell
->pipe
.draw_range_elements
= cell_draw_range_elements
;
189 cell
->pipe
.set_edgeflags
= cell_set_edgeflags
;