2 * Copyright 2008 Ben Skeggs
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "util/u_format.h"
25 #include "nv50_context.h"
26 #include "nv50_resource.h"
27 #include "nouveau/nouveau_stateobj.h"
29 static struct nouveau_stateobj
*
30 validate_fb(struct nv50_context
*nv50
)
32 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
33 struct nouveau_stateobj
*so
= so_new(32, 79, 18);
34 struct pipe_framebuffer_state
*fb
= &nv50
->framebuffer
;
35 unsigned i
, w
= 0, h
= 0, gw
= 0;
37 /* Set nr of active RTs and select RT for each colour output.
38 * FP result 0 always goes to RT[0], bits 4 - 6 are ignored.
39 * Ambiguous assignment results in no rendering (no DATA_ERROR).
41 so_method(so
, tesla
, NV50TCL_RT_CONTROL
, 1);
42 so_data (so
, fb
->nr_cbufs
|
43 (0 << 4) | (1 << 7) | (2 << 10) | (3 << 13) |
44 (4 << 16) | (5 << 19) | (6 << 22) | (7 << 25));
46 for (i
= 0; i
< fb
->nr_cbufs
; i
++) {
47 struct pipe_resource
*pt
= fb
->cbufs
[i
]->texture
;
48 struct nouveau_bo
*bo
= nv50_miptree(pt
)->base
.bo
;
51 w
= fb
->cbufs
[i
]->width
;
52 h
= fb
->cbufs
[i
]->height
;
55 assert(w
== fb
->cbufs
[i
]->width
);
56 assert(h
== fb
->cbufs
[i
]->height
);
59 assert(nv50_format_table
[fb
->cbufs
[i
]->format
].rt
);
61 so_method(so
, tesla
, NV50TCL_RT_HORIZ(i
), 2);
62 so_data (so
, fb
->cbufs
[i
]->width
);
63 so_data (so
, fb
->cbufs
[i
]->height
);
65 so_method(so
, tesla
, NV50TCL_RT_ADDRESS_HIGH(i
), 5);
66 so_reloc (so
, bo
, fb
->cbufs
[i
]->offset
, NOUVEAU_BO_VRAM
|
67 NOUVEAU_BO_HIGH
| NOUVEAU_BO_RDWR
, 0, 0);
68 so_reloc (so
, bo
, fb
->cbufs
[i
]->offset
, NOUVEAU_BO_VRAM
|
69 NOUVEAU_BO_LOW
| NOUVEAU_BO_RDWR
, 0, 0);
70 so_data (so
, nv50_format_table
[fb
->cbufs
[i
]->format
].rt
);
71 so_data (so
, nv50_miptree(pt
)->
72 level
[fb
->cbufs
[i
]->level
].tile_mode
<< 4);
73 so_data(so
, 0x00000000);
75 so_method(so
, tesla
, NV50TCL_RT_ARRAY_MODE
, 1);
80 struct pipe_resource
*pt
= fb
->zsbuf
->texture
;
81 struct nouveau_bo
*bo
= nv50_miptree(pt
)->base
.bo
;
85 h
= fb
->zsbuf
->height
;
88 assert(w
== fb
->zsbuf
->width
);
89 assert(h
== fb
->zsbuf
->height
);
92 assert(nv50_format_table
[fb
->zsbuf
->format
].rt
);
94 so_method(so
, tesla
, NV50TCL_ZETA_ADDRESS_HIGH
, 5);
95 so_reloc (so
, bo
, fb
->zsbuf
->offset
, NOUVEAU_BO_VRAM
|
96 NOUVEAU_BO_HIGH
| NOUVEAU_BO_RDWR
, 0, 0);
97 so_reloc (so
, bo
, fb
->zsbuf
->offset
, NOUVEAU_BO_VRAM
|
98 NOUVEAU_BO_LOW
| NOUVEAU_BO_RDWR
, 0, 0);
99 so_data (so
, nv50_format_table
[fb
->zsbuf
->format
].rt
);
100 so_data (so
, nv50_miptree(pt
)->
101 level
[fb
->zsbuf
->level
].tile_mode
<< 4);
102 so_data (so
, 0x00000000);
104 so_method(so
, tesla
, NV50TCL_ZETA_ENABLE
, 1);
106 so_method(so
, tesla
, NV50TCL_ZETA_HORIZ
, 3);
107 so_data (so
, fb
->zsbuf
->width
);
108 so_data (so
, fb
->zsbuf
->height
);
109 so_data (so
, 0x00010001);
111 so_method(so
, tesla
, NV50TCL_ZETA_ENABLE
, 1);
115 so_method(so
, tesla
, NV50TCL_VIEWPORT_HORIZ(0), 2);
116 so_data (so
, w
<< 16);
117 so_data (so
, h
<< 16);
118 /* set window lower left corner */
119 so_method(so
, tesla
, NV50TCL_WINDOW_OFFSET_X
, 2);
122 /* set screen scissor rectangle */
123 so_method(so
, tesla
, NV50TCL_SCREEN_SCISSOR_HORIZ
, 2);
124 so_data (so
, w
<< 16);
125 so_data (so
, h
<< 16);
131 nv50_validate_samplers(struct nv50_context
*nv50
, struct nouveau_stateobj
*so
,
134 struct nouveau_grobj
*eng2d
= nv50
->screen
->eng2d
;
135 unsigned i
, j
, dw
= nv50
->sampler_nr
[p
] * 8;
139 nv50_so_init_sifc(nv50
, so
, nv50
->screen
->tsc
, NOUVEAU_BO_VRAM
,
140 p
* (32 * 8 * 4), dw
* 4);
142 so_method(so
, eng2d
, NV50_2D_SIFC_DATA
| (2 << 29), dw
);
144 for (i
= 0; i
< nv50
->sampler_nr
[p
]; ++i
) {
145 if (nv50
->sampler
[p
][i
])
146 so_datap(so
, nv50
->sampler
[p
][i
]->tsc
, 8);
148 for (j
= 0; j
< 8; ++j
) /* you get punished */
149 so_data(so
, 0); /* ... for leaving holes */
154 static struct nouveau_stateobj
*
155 validate_blend(struct nv50_context
*nv50
)
157 struct nouveau_stateobj
*so
= NULL
;
158 so_ref(nv50
->blend
->so
, &so
);
162 static struct nouveau_stateobj
*
163 validate_zsa(struct nv50_context
*nv50
)
165 struct nouveau_stateobj
*so
= NULL
;
166 so_ref(nv50
->zsa
->so
, &so
);
170 static struct nouveau_stateobj
*
171 validate_rast(struct nv50_context
*nv50
)
173 struct nouveau_stateobj
*so
= NULL
;
174 so_ref(nv50
->rasterizer
->so
, &so
);
178 static struct nouveau_stateobj
*
179 validate_blend_colour(struct nv50_context
*nv50
)
181 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
182 struct nouveau_stateobj
*so
= so_new(1, 4, 0);
184 so_method(so
, tesla
, NV50TCL_BLEND_COLOR(0), 4);
185 so_data (so
, fui(nv50
->blend_colour
.color
[0]));
186 so_data (so
, fui(nv50
->blend_colour
.color
[1]));
187 so_data (so
, fui(nv50
->blend_colour
.color
[2]));
188 so_data (so
, fui(nv50
->blend_colour
.color
[3]));
192 static struct nouveau_stateobj
*
193 validate_stencil_ref(struct nv50_context
*nv50
)
195 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
196 struct nouveau_stateobj
*so
= so_new(2, 2, 0);
198 so_method(so
, tesla
, NV50TCL_STENCIL_FRONT_FUNC_REF
, 1);
199 so_data (so
, nv50
->stencil_ref
.ref_value
[0]);
200 so_method(so
, tesla
, NV50TCL_STENCIL_BACK_FUNC_REF
, 1);
201 so_data (so
, nv50
->stencil_ref
.ref_value
[1]);
205 static struct nouveau_stateobj
*
206 validate_stipple(struct nv50_context
*nv50
)
208 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
209 struct nouveau_stateobj
*so
= so_new(1, 32, 0);
212 so_method(so
, tesla
, NV50TCL_POLYGON_STIPPLE_PATTERN(0), 32);
213 for (i
= 0; i
< 32; i
++)
214 so_data(so
, util_bswap32(nv50
->stipple
.stipple
[i
]));
218 static struct nouveau_stateobj
*
219 validate_scissor(struct nv50_context
*nv50
)
221 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
222 struct pipe_scissor_state
*s
= &nv50
->scissor
;
223 struct nouveau_stateobj
*so
;
225 so
= so_new(1, 2, 0);
226 so_method(so
, tesla
, NV50TCL_SCISSOR_HORIZ(0), 2);
227 so_data (so
, (s
->maxx
<< 16) | s
->minx
);
228 so_data (so
, (s
->maxy
<< 16) | s
->miny
);
232 static struct nouveau_stateobj
*
233 validate_viewport(struct nv50_context
*nv50
)
235 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
236 struct nouveau_stateobj
*so
= so_new(3, 7, 0);
238 so_method(so
, tesla
, NV50TCL_VIEWPORT_TRANSLATE_X(0), 3);
239 so_data (so
, fui(nv50
->viewport
.translate
[0]));
240 so_data (so
, fui(nv50
->viewport
.translate
[1]));
241 so_data (so
, fui(nv50
->viewport
.translate
[2]));
242 so_method(so
, tesla
, NV50TCL_VIEWPORT_SCALE_X(0), 3);
243 so_data (so
, fui(nv50
->viewport
.scale
[0]));
244 so_data (so
, fui(nv50
->viewport
.scale
[1]));
245 so_data (so
, fui(nv50
->viewport
.scale
[2]));
247 /* no idea what 0f90 does */
248 so_method(so
, tesla
, 0x0f90, 1);
254 static struct nouveau_stateobj
*
255 validate_sampler(struct nv50_context
*nv50
)
257 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
258 struct nouveau_stateobj
*so
;
261 for (i
= 0; i
< 3; ++i
)
262 nr
+= nv50
->sampler_nr
[i
];
264 so
= so_new(1 + 5 * 3, 1 + 19 * 3 + nr
* 8, 3 * 2);
266 nv50_validate_samplers(nv50
, so
, 0); /* VP */
267 nv50_validate_samplers(nv50
, so
, 2); /* FP */
269 so_method(so
, tesla
, 0x1334, 1); /* flush TSC */
275 static struct nouveau_stateobj
*
276 validate_vtxbuf(struct nv50_context
*nv50
)
278 struct nouveau_stateobj
*so
= NULL
;
279 so_ref(nv50
->state
.vtxbuf
, &so
);
283 static struct nouveau_stateobj
*
284 validate_vtxattr(struct nv50_context
*nv50
)
286 struct nouveau_stateobj
*so
= NULL
;
287 so_ref(nv50
->state
.vtxattr
, &so
);
291 static struct nouveau_stateobj
*
292 validate_clip(struct nv50_context
*nv50
)
294 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
295 struct nouveau_stateobj
*so
= so_new(1, 1, 0);
298 /* 0x0000 = remove whole primitive only (xyz)
299 * 0x1018 = remove whole primitive only (xy), clamp z
300 * 0x1080 = clip primitive (xyz)
301 * 0x1098 = clip primitive (xy), clamp z
303 vvcc
= nv50
->clip
.depth_clamp
? 0x1098 : 0x1080;
305 so_method(so
, tesla
, NV50TCL_VIEW_VOLUME_CLIP_CTRL
, 1);
311 struct state_validate
{
312 struct nouveau_stateobj
*(*func
)(struct nv50_context
*nv50
);
314 } validate_list
[] = {
315 { validate_fb
, NV50_NEW_FRAMEBUFFER
},
316 { validate_blend
, NV50_NEW_BLEND
},
317 { validate_zsa
, NV50_NEW_ZSA
},
318 { nv50_vertprog_validate
, NV50_NEW_VERTPROG
| NV50_NEW_VERTPROG_CB
},
319 { nv50_fragprog_validate
, NV50_NEW_FRAGPROG
| NV50_NEW_FRAGPROG_CB
},
320 { nv50_geomprog_validate
, NV50_NEW_GEOMPROG
| NV50_NEW_GEOMPROG_CB
},
321 { nv50_fp_linkage_validate
, NV50_NEW_VERTPROG
| NV50_NEW_GEOMPROG
|
322 NV50_NEW_FRAGPROG
| NV50_NEW_RASTERIZER
},
323 { nv50_gp_linkage_validate
, NV50_NEW_VERTPROG
| NV50_NEW_GEOMPROG
},
324 { validate_rast
, NV50_NEW_RASTERIZER
},
325 { validate_blend_colour
, NV50_NEW_BLEND_COLOUR
},
326 { validate_stencil_ref
, NV50_NEW_STENCIL_REF
},
327 { validate_stipple
, NV50_NEW_STIPPLE
},
328 { validate_scissor
, NV50_NEW_SCISSOR
},
329 { validate_viewport
, NV50_NEW_VIEWPORT
},
330 { validate_sampler
, NV50_NEW_SAMPLER
},
331 { nv50_tex_validate
, NV50_NEW_TEXTURE
| NV50_NEW_SAMPLER
},
332 { nv50_vbo_validate
, NV50_NEW_ARRAYS
},
333 { validate_vtxbuf
, NV50_NEW_ARRAYS
},
334 { validate_vtxattr
, NV50_NEW_ARRAYS
},
335 { validate_clip
, NV50_NEW_CLIP
},
338 #define validate_list_len (sizeof(validate_list) / sizeof(validate_list[0]))
341 nv50_state_validate(struct nv50_context
*nv50
, unsigned wait_dwords
)
343 struct nouveau_channel
*chan
= nv50
->screen
->base
.channel
;
344 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
345 unsigned nr_relocs
= 128, nr_dwords
= wait_dwords
+ 128 + 4;
348 for (i
= 0; i
< validate_list_len
; i
++) {
349 struct state_validate
*validate
= &validate_list
[i
];
350 struct nouveau_stateobj
*so
;
352 if (!(nv50
->dirty
& validate
->states
))
355 so
= validate
->func(nv50
);
359 nr_dwords
+= (so
->total
+ so
->cur
);
360 nr_relocs
+= so
->cur_reloc
;
362 so_ref(so
, &nv50
->state
.hw
[i
]);
364 nv50
->state
.hw_dirty
|= (1 << i
);
368 if (nv50
->screen
->cur_ctx
!= nv50
) {
369 for (i
= 0; i
< validate_list_len
; i
++) {
370 if (!nv50
->state
.hw
[i
] ||
371 (nv50
->state
.hw_dirty
& (1 << i
)))
374 nr_dwords
+= (nv50
->state
.hw
[i
]->total
+
375 nv50
->state
.hw
[i
]->cur
);
376 nr_relocs
+= nv50
->state
.hw
[i
]->cur_reloc
;
377 nv50
->state
.hw_dirty
|= (1 << i
);
380 nv50
->screen
->cur_ctx
= nv50
;
383 ret
= MARK_RING(chan
, nr_dwords
, nr_relocs
);
385 debug_printf("MARK_RING(%d, %d) failed: %d\n",
386 nr_dwords
, nr_relocs
, ret
);
390 while (nv50
->state
.hw_dirty
) {
391 i
= ffs(nv50
->state
.hw_dirty
) - 1;
392 nv50
->state
.hw_dirty
&= ~(1 << i
);
394 so_emit(chan
, nv50
->state
.hw
[i
]);
397 /* Yes, really, we need to do this. If a buffer that is referenced
398 * on the hardware isn't part of changed state above, without doing
399 * this the kernel is given no clue that the buffer is being used
400 * still. This can cause all sorts of fun issues.
402 nv50_tex_relocs(nv50
);
403 so_emit_reloc_markers(chan
, nv50
->state
.hw
[0]); /* fb */
404 so_emit_reloc_markers(chan
, nv50
->state
.hw
[3]); /* vp */
405 so_emit_reloc_markers(chan
, nv50
->state
.hw
[4]); /* fp */
406 so_emit_reloc_markers(chan
, nv50
->state
.hw
[17]); /* vb */
407 nv50_screen_relocs(nv50
->screen
);
410 BEGIN_RING(chan
, tesla
, 0x142c, 1);
412 BEGIN_RING(chan
, tesla
, 0x142c, 1);
417 void nv50_so_init_sifc(struct nv50_context
*nv50
,
418 struct nouveau_stateobj
*so
,
419 struct nouveau_bo
*bo
, unsigned reloc
,
420 unsigned offset
, unsigned size
)
422 struct nouveau_grobj
*eng2d
= nv50
->screen
->eng2d
;
424 reloc
|= NOUVEAU_BO_WR
;
426 so_method(so
, eng2d
, NV50_2D_DST_FORMAT
, 2);
427 so_data (so
, NV50_2D_DST_FORMAT_R8_UNORM
);
429 so_method(so
, eng2d
, NV50_2D_DST_PITCH
, 5);
430 so_data (so
, 262144);
433 so_reloc (so
, bo
, offset
, reloc
| NOUVEAU_BO_HIGH
, 0, 0);
434 so_reloc (so
, bo
, offset
, reloc
| NOUVEAU_BO_LOW
, 0, 0);
435 so_method(so
, eng2d
, NV50_2D_SIFC_BITMAP_ENABLE
, 2);
437 so_data (so
, NV50_2D_SIFC_FORMAT_R8_UNORM
);
438 so_method(so
, eng2d
, NV50_2D_SIFC_WIDTH
, 10);