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
106 /** Command/batch buffers */
107 #define CELL_NUM_BUFFERS 4
108 #define CELL_BUFFER_SIZE (4*1024) /**< 16KB would be the max */
110 #define CELL_BUFFER_STATUS_FREE 10
111 #define CELL_BUFFER_STATUS_USED 20
114 #define CELL_DEBUG_CHECKER (1 << 0)
115 #define CELL_DEBUG_ASM (1 << 1)
116 #define CELL_DEBUG_SYNC (1 << 2)
117 #define CELL_DEBUG_FRAGMENT_OPS (1 << 3)
118 #define CELL_DEBUG_FRAGMENT_OP_FALLBACK (1 << 4)
119 #define CELL_DEBUG_CMD (1 << 5)
121 /** Max instructions for doing per-fragment operations */
122 #define SPU_MAX_FRAGMENT_OPS_INSTS 64
126 * Command to specify per-fragment operations state and generated code.
127 * Note that the dsa, blend, blend_color fields are really only needed
128 * for the fallback/C per-pixel code. They're not used when we generate
129 * dynamic SPU fragment code (which is the normal case).
131 struct cell_command_fragment_ops
133 uint64_t opcode
; /**< CELL_CMD_STATE_FRAGMENT_OPS */
134 struct pipe_depth_stencil_alpha_state dsa
;
135 struct pipe_blend_state blend
;
136 struct pipe_blend_color blend_color
;
137 unsigned code
[SPU_MAX_FRAGMENT_OPS_INSTS
];
141 /** Max instructions for fragment programs */
142 #define SPU_MAX_FRAGMENT_PROGRAM_INSTS 512
145 * Command to send a fragment program to SPUs.
147 struct cell_command_fragment_program
149 uint64_t opcode
; /**< CELL_CMD_STATE_FRAGMENT_PROGRAM */
150 uint num_inst
; /**< Number of instructions */
151 unsigned code
[SPU_MAX_FRAGMENT_PROGRAM_INSTS
];
156 * Tell SPUs about the framebuffer size, location
158 struct cell_command_framebuffer
160 uint64_t opcode
; /**< CELL_CMD_STATE_FRAMEBUFFER */
162 void *color_start
, *depth_start
;
163 enum pipe_format color_format
, depth_format
;
168 * Tell SPUs about rasterizer state.
170 struct cell_command_rasterizer
172 uint64_t opcode
; /**< CELL_CMD_STATE_RASTERIZER */
173 struct pipe_rasterizer_state rasterizer
;
178 * Clear framebuffer to the given value/color.
180 struct cell_command_clear_surface
182 uint64_t opcode
; /**< CELL_CMD_CLEAR_SURFACE */
183 uint surface
; /**< Temporary: 0=color, 1=Z */
189 * Array info used by the vertex shader's vertex puller.
191 struct cell_array_info
193 uint64_t base
; /**< Base address of the 0th element. */
194 uint attr
; /**< Attribute that this state is for. */
195 uint pitch
; /**< Byte pitch from one entry to the next. */
197 uint function_offset
;
201 struct cell_attribute_fetch_code
208 struct cell_buffer_range
215 struct cell_shader_info
217 uint64_t declarations
;
218 uint64_t instructions
;
221 unsigned num_outputs
;
222 unsigned num_declarations
;
223 unsigned num_instructions
;
224 unsigned num_immediates
;
228 #define SPU_VERTS_PER_BATCH 64
229 struct cell_command_vs
231 uint64_t opcode
; /**< CELL_CMD_VS_EXECUTE */
232 uint64_t vOut
[SPU_VERTS_PER_BATCH
];
234 unsigned elts
[SPU_VERTS_PER_BATCH
];
241 struct cell_command_render
243 uint64_t opcode
; /**< CELL_CMD_RENDER */
244 uint prim_type
; /**< PIPE_PRIM_x */
246 uint vertex_size
; /**< bytes per vertex */
248 uint vertex_buf
; /**< which cell->buffer[] contains the vertex data */
249 float xmin
, ymin
, xmax
, ymax
; /* XXX another dummy field */
251 boolean inline_verts
;
255 struct cell_command_release_verts
257 uint64_t opcode
; /**< CELL_CMD_RELEASE_VERTS */
258 uint vertex_buf
; /**< in [0, CELL_NUM_BUFFERS-1] */
262 struct cell_command_sampler
264 uint64_t opcode
; /**< CELL_CMD_STATE_SAMPLER */
266 struct pipe_sampler_state state
;
270 struct cell_command_texture
272 uint64_t opcode
; /**< CELL_CMD_STATE_TEXTURE */
273 uint target
; /**< PIPE_TEXTURE_x */
275 void *start
[CELL_MAX_TEXTURE_LEVELS
]; /**< Address in main memory */
276 ushort width
[CELL_MAX_TEXTURE_LEVELS
];
277 ushort height
[CELL_MAX_TEXTURE_LEVELS
];
278 ushort depth
[CELL_MAX_TEXTURE_LEVELS
];
282 #define MAX_SPU_FUNCTIONS 12
284 * Used to tell the PPU about the address of particular functions in the
285 * SPU's address space.
287 struct cell_spu_function_info
290 char names
[MAX_SPU_FUNCTIONS
][16];
291 uint addrs
[MAX_SPU_FUNCTIONS
];
292 char pad
[12]; /**< Pad struct to multiple of 16 bytes (256 currently) */
296 /** This is the object passed to spe_create_thread() */
297 struct cell_init_info
301 unsigned debug_flags
; /**< mask of CELL_DEBUG_x flags */
303 /** Buffers for command batches, vertex/index data */
304 ubyte
*buffers
[CELL_NUM_BUFFERS
];
305 uint
*buffer_status
; /**< points at cell_context->buffer_status */
307 struct cell_spu_function_info
*spu_functions
;
311 #endif /* CELL_COMMON_H */