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 **************************************************************************/
32 #include <spu_mfcio.h>
34 #include "cell/common.h"
35 #include "draw/draw_vertex.h"
36 #include "pipe/p_state.h"
40 /* These debug macros use the unusual construction ", ##__VA_ARGS__"
41 * which expands to the expected comma + args if variadic arguments
42 * are supplied, but swallows the comma if there are no variadic
43 * arguments (which avoids syntax errors that would otherwise occur).
45 #define D_PRINTF(flag, format,...) \
46 if (spu.init.debug_flags & (flag)) \
47 printf("SPU %u: " format, spu.init.id, ##__VA_ARGS__)
54 * A tile is basically a TILE_SIZE x TILE_SIZE block of 4-byte pixels.
55 * The data may be addressed through several different types.
58 ushort us
[TILE_SIZE
][TILE_SIZE
];
59 uint ui
[TILE_SIZE
][TILE_SIZE
];
60 vector
unsigned short us8
[TILE_SIZE
/2][TILE_SIZE
/4];
61 vector
unsigned int ui4
[TILE_SIZE
/2][TILE_SIZE
/2];
65 #define TILE_STATUS_CLEAR 1
66 #define TILE_STATUS_DEFINED 2 /**< defined in FB, but not in local store */
67 #define TILE_STATUS_CLEAN 3 /**< in local store, but not changed */
68 #define TILE_STATUS_DIRTY 4 /**< modified locally, but not put back yet */
69 #define TILE_STATUS_GETTING 5 /**< mfc_get() called but not yet arrived */
72 /** Function for sampling textures */
73 typedef void (*spu_sample_texture_2d_func
)(vector
float s
,
75 uint unit
, uint level
, uint face
,
76 vector
float colors
[4]);
79 /** Function for performing per-fragment ops */
80 typedef void (*spu_fragment_ops_func
)(uint x
, uint y
,
82 tile_t
*depthStencilTile
,
85 vector
float fragGreen
,
86 vector
float fragBlue
,
87 vector
float fragAlpha
,
88 vector
unsigned int mask
);
90 /** Function for running fragment program */
91 typedef vector
unsigned int (*spu_fragment_program_func
)(vector
float *inputs
,
92 vector
float *outputs
,
93 vector
float *constants
);
96 struct spu_framebuffer
98 void *color_start
; /**< addr of color surface in main memory */
99 void *depth_start
; /**< addr of depth surface in main memory */
100 enum pipe_format color_format
;
101 enum pipe_format depth_format
;
102 uint width
, height
; /**< size in pixels */
103 uint width_tiles
, height_tiles
; /**< width and height in tiles */
105 uint color_clear_value
;
106 uint depth_clear_value
;
108 uint zsize
; /**< 0, 2 or 4 bytes per Z */
109 float zscale
; /**< 65535.0, 2^24-1 or 2^32-1 */
113 /** per-texture level info */
114 struct spu_texture_level
117 ushort width
, height
, depth
;
118 ushort tiles_per_row
;
119 uint bytes_per_image
;
120 /** texcoord scale factors */
121 vector
float scale_s
, scale_t
, scale_r
;
122 /** texcoord masks (if REPEAT then size-1, else ~0) */
123 vector
signed int mask_s
, mask_t
, mask_r
;
124 /** texcoord clamp limits */
125 vector
signed int max_s
, max_t
, max_r
;
131 struct spu_texture_level level
[CELL_MAX_TEXTURE_LEVELS
];
133 uint target
; /**< PIPE_TEXTURE_x */
138 * All SPU global/context state will be in a singleton object of this type:
142 /** One-time init/constant info */
143 struct cell_init_info init
;
148 struct spu_framebuffer fb
;
149 struct pipe_depth_stencil_alpha_state depth_stencil_alpha
;
150 struct pipe_blend_state blend
;
151 struct pipe_blend_color blend_color
;
152 struct pipe_sampler_state sampler
[PIPE_MAX_SAMPLERS
];
153 struct pipe_rasterizer_state rasterizer
;
154 struct spu_texture texture
[PIPE_MAX_SAMPLERS
];
155 struct vertex_info vertex_info
;
157 /** Current color and Z tiles */
158 tile_t ctile ALIGN16_ATTRIB
;
159 tile_t ztile ALIGN16_ATTRIB
;
161 /** Read depth/stencil tiles? */
162 boolean read_depth_stencil
;
164 /** Current tiles' status */
165 ubyte cur_ctile_status
, cur_ztile_status
;
167 /** Status of all tiles in framebuffer */
168 ubyte ctile_status
[CELL_MAX_HEIGHT
/TILE_SIZE
][CELL_MAX_WIDTH
/TILE_SIZE
] ALIGN16_ATTRIB
;
169 ubyte ztile_status
[CELL_MAX_HEIGHT
/TILE_SIZE
][CELL_MAX_WIDTH
/TILE_SIZE
] ALIGN16_ATTRIB
;
171 /** Current fragment ops machine code, at 8-byte boundary */
172 uint
*fragment_ops_code
;
173 uint fragment_ops_code_size
;
174 /** Current fragment ops functions, 0 = frontfacing, 1 = backfacing */
175 spu_fragment_ops_func fragment_ops
[2];
177 /** Current fragment program machine code, at 8-byte boundary */
178 uint fragment_program_code
[SPU_MAX_FRAGMENT_PROGRAM_INSTS
] ALIGN8_ATTRIB
;
179 /** Current fragment ops function */
180 spu_fragment_program_func fragment_program
;
182 /** Current texture sampler function */
183 spu_sample_texture_2d_func sample_texture_2d
[CELL_MAX_SAMPLERS
];
184 spu_sample_texture_2d_func min_sample_texture_2d
[CELL_MAX_SAMPLERS
];
185 spu_sample_texture_2d_func mag_sample_texture_2d
[CELL_MAX_SAMPLERS
];
187 /** Fragment program constants */
188 vector
float constants
[4 * CELL_MAX_CONSTANTS
];
193 extern struct spu_global spu
;
199 #define TAG_SURFACE_CLEAR 10
200 #define TAG_VERTEX_BUFFER 11
201 #define TAG_READ_TILE_COLOR 12
202 #define TAG_READ_TILE_Z 13
203 #define TAG_WRITE_TILE_COLOR 14
204 #define TAG_WRITE_TILE_Z 15
205 #define TAG_INDEX_BUFFER 16
206 #define TAG_BATCH_BUFFER 17
208 #define TAG_DCACHE0 20
209 #define TAG_DCACHE1 21
210 #define TAG_DCACHE2 22
211 #define TAG_DCACHE3 23
216 wait_on_mask(unsigned tagMask
)
218 mfc_write_tag_mask( tagMask
);
219 /* wait for completion of _any_ DMAs specified by tagMask */
220 mfc_read_tag_status_any();
225 wait_on_mask_all(unsigned tagMask
)
227 mfc_write_tag_mask( tagMask
);
228 /* wait for completion of _any_ DMAs specified by tagMask */
229 mfc_read_tag_status_all();
237 memset16(ushort
*d
, ushort value
, uint count
)
240 for (i
= 0; i
< count
; i
++)
246 memset32(uint
*d
, uint value
, uint count
)
249 for (i
= 0; i
< count
; i
++)
254 #endif /* SPU_MAIN_H */