summaryrefslogtreecommitdiff
path: root/src/mesa/pipe/cell/common.h
blob: f05070d25a1df03d24bdf9d1b800e7ff831dc39e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/**************************************************************************
 * 
 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 **************************************************************************/

/**
 * Types and tokens which are common to the SPU and PPU code.
 */


#ifndef CELL_COMMON_H
#define CELL_COMMON_H

#include "pipe/p_compiler.h"
#include "pipe/p_util.h"
#include "pipe/p_format.h"


/** for sanity checking */
#define ASSERT_ALIGN16(ptr) \
   assert((((unsigned long) (ptr)) & 0xf) == 0);



#define TILE_SIZE 32


/**
 * The low byte of a mailbox word contains the command opcode.
 * Remaining higher bytes are command specific.
 */
#define CELL_CMD_OPCODE_MASK 0xf

#define CELL_CMD_EXIT          1
#define CELL_CMD_FRAMEBUFFER   2
#define CELL_CMD_CLEAR_SURFACE 3
#define CELL_CMD_FINISH        4
#define CELL_CMD_RENDER        5
#define CELL_CMD_BATCH         6
#define CELL_CMD_STATE_DEPTH_STENCIL 7


#define CELL_NUM_BATCH_BUFFERS 3
#define CELL_BATCH_BUFFER_SIZE 1024  /**< 16KB would be the max */

#define CELL_BUFFER_STATUS_FREE 10
#define CELL_BUFFER_STATUS_USED 20



/**
 * Tell SPUs about the framebuffer size, location
 */
struct cell_command_framebuffer
{
   uint opcode;
   int width, height;
   void *color_start, *depth_start;
   enum pipe_format color_format, depth_format;
} ALIGN16_ATTRIB;


/**
 * Clear framebuffer to the given value/color.
 */
struct cell_command_clear_surface
{
   uint opcode;
   uint surface; /**< Temporary: 0=color, 1=Z */
   uint value;
} ALIGN16_ATTRIB;


#define CELL_MAX_VBUF_SIZE    (16 * 1024)
#define CELL_MAX_VBUF_INDEXES 1024
#define CELL_MAX_ATTRIBS      2 /* temporary! */
struct cell_command_render
{
   uint opcode;
   uint prim_type;
   uint num_verts, num_attribs;
   uint num_indexes;
   const void *vertex_data;
   const ushort *index_data;
   float xmin, ymin, xmax, ymax;
} ALIGN16_ATTRIB;


/** XXX unions don't seem to work */
struct cell_command
{
   struct cell_command_framebuffer fb;
   struct cell_command_clear_surface clear;
   struct cell_command_render render;
} ALIGN16_ATTRIB;


/** This is the object passed to spe_create_thread() */
struct cell_init_info
{
   unsigned id;
   unsigned num_spus;
   struct cell_command *cmd;
   ubyte *batch_buffers[CELL_NUM_BATCH_BUFFERS];
   uint *buffer_status;  /**< points at cell_context->buffer_status */
} ALIGN16_ATTRIB;


#endif /* CELL_COMMON_H */