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 **************************************************************************/
29 * Types and tokens which are common to the SPU and PPU code.
36 #include "pipe/p_compiler.h"
37 #include "pipe/p_format.h"
38 #include "pipe/p_state.h"
41 /** The standard assert macro doesn't seem to work reliably */
45 fprintf(stderr, "%s:%d: %s(): assertion %s failed.\n", \
46 __FILE__, __LINE__, __FUNCTION__, #x); \
52 /** for sanity checking */
53 #define ASSERT_ALIGN16(ptr) \
54 ASSERT((((unsigned long) (ptr)) & 0xf) == 0);
57 /** round up value to next multiple of 4 */
58 #define ROUNDUP4(k) (((k) + 0x3) & ~0x3)
60 /** round up value to next multiple of 8 */
61 #define ROUNDUP8(k) (((k) + 0x7) & ~0x7)
63 /** round up value to next multiple of 16 */
64 #define ROUNDUP16(k) (((k) + 0xf) & ~0xf)
67 #define CELL_MAX_SPUS 8
69 #define CELL_MAX_SAMPLERS 4
70 #define CELL_MAX_TEXTURE_LEVELS 12 /* 2k x 2k */
71 #define CELL_MAX_CONSTANTS 32 /**< number of float[4] constants */
72 #define CELL_MAX_WIDTH 1024 /**< max framebuffer width */
73 #define CELL_MAX_HEIGHT 1024 /**< max framebuffer width */
79 * The low byte of a mailbox word contains the command opcode.
80 * Remaining higher bytes are command specific.
82 #define CELL_CMD_OPCODE_MASK 0xff
84 #define CELL_CMD_EXIT 1
85 #define CELL_CMD_CLEAR_SURFACE 2
86 #define CELL_CMD_FINISH 3
87 #define CELL_CMD_RENDER 4
88 #define CELL_CMD_BATCH 5
89 #define CELL_CMD_RELEASE_VERTS 6
90 #define CELL_CMD_STATE_FRAMEBUFFER 10
91 #define CELL_CMD_STATE_FRAGMENT_OPS 11
92 #define CELL_CMD_STATE_SAMPLER 12
93 #define CELL_CMD_STATE_TEXTURE 13
94 #define CELL_CMD_STATE_VERTEX_INFO 14
95 #define CELL_CMD_STATE_VIEWPORT 15
96 #define CELL_CMD_STATE_UNIFORMS 16
97 #define CELL_CMD_STATE_VS_ARRAY_INFO 17
98 #define CELL_CMD_STATE_BIND_VS 18
99 #define CELL_CMD_STATE_FRAGMENT_PROGRAM 19
100 #define CELL_CMD_STATE_ATTRIB_FETCH 20
101 #define CELL_CMD_STATE_FS_CONSTANTS 21
102 #define CELL_CMD_STATE_RASTERIZER 22
103 #define CELL_CMD_VS_EXECUTE 23
104 #define CELL_CMD_FLUSH_BUFFER_RANGE 24
105 #define CELL_CMD_FENCE 25
108 /** Command/batch buffers */
109 #define CELL_NUM_BUFFERS 4
110 #define CELL_BUFFER_SIZE (4*1024) /**< 16KB would be the max */
112 #define CELL_BUFFER_STATUS_FREE 10
113 #define CELL_BUFFER_STATUS_USED 20
116 #define CELL_DEBUG_CHECKER (1 << 0)
117 #define CELL_DEBUG_ASM (1 << 1)
118 #define CELL_DEBUG_SYNC (1 << 2)
119 #define CELL_DEBUG_FRAGMENT_OPS (1 << 3)
120 #define CELL_DEBUG_FRAGMENT_OP_FALLBACK (1 << 4)
121 #define CELL_DEBUG_CMD (1 << 5)
122 #define CELL_DEBUG_CACHE (1 << 6)
124 /** Max instructions for doing per-fragment operations */
125 #define SPU_MAX_FRAGMENT_OPS_INSTS 64
129 #define CELL_FENCE_IDLE 0
130 #define CELL_FENCE_EMITTED 1
131 #define CELL_FENCE_SIGNALLED 2
135 /** There's a 16-byte status qword per SPU */
136 volatile uint status
[CELL_MAX_SPUS
][4];
141 * Fence command sent to SPUs. In response, the SPUs will write
142 * CELL_FENCE_STATUS_SIGNALLED back to the fence status word in main memory.
144 struct cell_command_fence
146 uint64_t opcode
; /**< CELL_CMD_FENCE */
147 struct cell_fence
*fence
;
152 * Command to specify per-fragment operations state and generated code.
153 * Note that the dsa, blend, blend_color fields are really only needed
154 * for the fallback/C per-pixel code. They're not used when we generate
155 * dynamic SPU fragment code (which is the normal case).
157 struct cell_command_fragment_ops
159 uint64_t opcode
; /**< CELL_CMD_STATE_FRAGMENT_OPS */
160 struct pipe_depth_stencil_alpha_state dsa
;
161 struct pipe_blend_state blend
;
162 struct pipe_blend_color blend_color
;
163 unsigned code
[SPU_MAX_FRAGMENT_OPS_INSTS
];
167 /** Max instructions for fragment programs */
168 #define SPU_MAX_FRAGMENT_PROGRAM_INSTS 512
171 * Command to send a fragment program to SPUs.
173 struct cell_command_fragment_program
175 uint64_t opcode
; /**< CELL_CMD_STATE_FRAGMENT_PROGRAM */
176 uint num_inst
; /**< Number of instructions */
177 unsigned code
[SPU_MAX_FRAGMENT_PROGRAM_INSTS
];
182 * Tell SPUs about the framebuffer size, location
184 struct cell_command_framebuffer
186 uint64_t opcode
; /**< CELL_CMD_STATE_FRAMEBUFFER */
188 void *color_start
, *depth_start
;
189 enum pipe_format color_format
, depth_format
;
194 * Tell SPUs about rasterizer state.
196 struct cell_command_rasterizer
198 uint64_t opcode
; /**< CELL_CMD_STATE_RASTERIZER */
199 struct pipe_rasterizer_state rasterizer
;
204 * Clear framebuffer to the given value/color.
206 struct cell_command_clear_surface
208 uint64_t opcode
; /**< CELL_CMD_CLEAR_SURFACE */
209 uint surface
; /**< Temporary: 0=color, 1=Z */
215 * Array info used by the vertex shader's vertex puller.
217 struct cell_array_info
219 uint64_t base
; /**< Base address of the 0th element. */
220 uint attr
; /**< Attribute that this state is for. */
221 uint pitch
; /**< Byte pitch from one entry to the next. */
223 uint function_offset
;
227 struct cell_attribute_fetch_code
234 struct cell_buffer_range
241 struct cell_shader_info
243 uint64_t declarations
;
244 uint64_t instructions
;
247 unsigned num_outputs
;
248 unsigned num_declarations
;
249 unsigned num_instructions
;
250 unsigned num_immediates
;
254 #define SPU_VERTS_PER_BATCH 64
255 struct cell_command_vs
257 uint64_t opcode
; /**< CELL_CMD_VS_EXECUTE */
258 uint64_t vOut
[SPU_VERTS_PER_BATCH
];
260 unsigned elts
[SPU_VERTS_PER_BATCH
];
267 struct cell_command_render
269 uint64_t opcode
; /**< CELL_CMD_RENDER */
270 uint prim_type
; /**< PIPE_PRIM_x */
272 uint vertex_size
; /**< bytes per vertex */
274 uint vertex_buf
; /**< which cell->buffer[] contains the vertex data */
275 float xmin
, ymin
, xmax
, ymax
; /* XXX another dummy field */
277 boolean inline_verts
;
281 struct cell_command_release_verts
283 uint64_t opcode
; /**< CELL_CMD_RELEASE_VERTS */
284 uint vertex_buf
; /**< in [0, CELL_NUM_BUFFERS-1] */
288 struct cell_command_sampler
290 uint64_t opcode
; /**< CELL_CMD_STATE_SAMPLER */
292 struct pipe_sampler_state state
;
296 struct cell_command_texture
298 uint64_t opcode
; /**< CELL_CMD_STATE_TEXTURE */
299 uint target
; /**< PIPE_TEXTURE_x */
301 void *start
[CELL_MAX_TEXTURE_LEVELS
]; /**< Address in main memory */
302 ushort width
[CELL_MAX_TEXTURE_LEVELS
];
303 ushort height
[CELL_MAX_TEXTURE_LEVELS
];
304 ushort depth
[CELL_MAX_TEXTURE_LEVELS
];
308 #define MAX_SPU_FUNCTIONS 12
310 * Used to tell the PPU about the address of particular functions in the
311 * SPU's address space.
313 struct cell_spu_function_info
316 char names
[MAX_SPU_FUNCTIONS
][16];
317 uint addrs
[MAX_SPU_FUNCTIONS
];
318 char pad
[12]; /**< Pad struct to multiple of 16 bytes (256 currently) */
322 /** This is the object passed to spe_create_thread() */
323 struct cell_init_info
327 unsigned debug_flags
; /**< mask of CELL_DEBUG_x flags */
328 float inv_timebase
; /**< 1.0/timebase, for perf measurement */
330 /** Buffers for command batches, vertex/index data */
331 ubyte
*buffers
[CELL_NUM_BUFFERS
];
332 uint
*buffer_status
; /**< points at cell_context->buffer_status */
334 struct cell_spu_function_info
*spu_functions
;
338 #endif /* CELL_COMMON_H */