nouveau: add ARB_buffer_storage support
[mesa.git] / src / gallium / drivers / nouveau / nvc0 / nvc0_screen.c
1 /*
2 * Copyright 2010 Christoph Bumiller
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #include "util/u_format.h"
24 #include "util/u_format_s3tc.h"
25 #include "pipe/p_screen.h"
26
27 #include "vl/vl_decoder.h"
28 #include "vl/vl_video_buffer.h"
29
30 #include "nouveau_vp3_video.h"
31
32 #include "nvc0/nvc0_context.h"
33 #include "nvc0/nvc0_screen.h"
34
35 #include "nvc0/nvc0_graph_macros.h"
36
37 #ifndef NOUVEAU_GETPARAM_GRAPH_UNITS
38 # define NOUVEAU_GETPARAM_GRAPH_UNITS 13
39 #endif
40
41 static boolean
42 nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
43 enum pipe_format format,
44 enum pipe_texture_target target,
45 unsigned sample_count,
46 unsigned bindings)
47 {
48 if (sample_count > 8)
49 return FALSE;
50 if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
51 return FALSE;
52
53 if (!util_format_is_supported(format, bindings))
54 return FALSE;
55
56 if ((bindings & PIPE_BIND_SAMPLER_VIEW) && (target != PIPE_BUFFER))
57 if (util_format_get_blocksizebits(format) == 3 * 32)
58 return FALSE;
59
60 /* transfers & shared are always supported */
61 bindings &= ~(PIPE_BIND_TRANSFER_READ |
62 PIPE_BIND_TRANSFER_WRITE |
63 PIPE_BIND_SHARED);
64
65 return (nvc0_format_table[format].usage & bindings) == bindings;
66 }
67
68 static int
69 nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
70 {
71 const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
72
73 switch (param) {
74 case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
75 case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
76 return 15;
77 case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
78 return (class_3d >= NVE4_3D_CLASS) ? 13 : 12;
79 case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
80 return 2048;
81 case PIPE_CAP_MIN_TEXEL_OFFSET:
82 return -8;
83 case PIPE_CAP_MAX_TEXEL_OFFSET:
84 return 7;
85 case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
86 return -32;
87 case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
88 return 31;
89 case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
90 case PIPE_CAP_TEXTURE_SWIZZLE:
91 case PIPE_CAP_TEXTURE_SHADOW_MAP:
92 case PIPE_CAP_NPOT_TEXTURES:
93 case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
94 case PIPE_CAP_ANISOTROPIC_FILTER:
95 case PIPE_CAP_SEAMLESS_CUBE_MAP:
96 case PIPE_CAP_CUBE_MAP_ARRAY:
97 case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
98 case PIPE_CAP_TEXTURE_MULTISAMPLE:
99 return 1;
100 case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
101 return 65536;
102 case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
103 return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
104 case PIPE_CAP_TWO_SIDED_STENCIL:
105 case PIPE_CAP_DEPTH_CLIP_DISABLE:
106 case PIPE_CAP_POINT_SPRITE:
107 case PIPE_CAP_TGSI_TEXCOORD:
108 return 1;
109 case PIPE_CAP_SM3:
110 return 1;
111 case PIPE_CAP_GLSL_FEATURE_LEVEL:
112 return 330;
113 case PIPE_CAP_MAX_RENDER_TARGETS:
114 return 8;
115 case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
116 return 1;
117 case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
118 case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
119 case PIPE_CAP_VERTEX_COLOR_CLAMPED:
120 return 1;
121 case PIPE_CAP_QUERY_TIMESTAMP:
122 case PIPE_CAP_QUERY_TIME_ELAPSED:
123 case PIPE_CAP_OCCLUSION_QUERY:
124 case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
125 case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
126 return 1;
127 case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
128 return 4;
129 case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
130 case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
131 return 128;
132 case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
133 case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
134 return 1024;
135 case PIPE_CAP_BLEND_EQUATION_SEPARATE:
136 case PIPE_CAP_INDEP_BLEND_ENABLE:
137 case PIPE_CAP_INDEP_BLEND_FUNC:
138 return 1;
139 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
140 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
141 return 1;
142 case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
143 case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
144 return 0;
145 case PIPE_CAP_SHADER_STENCIL_EXPORT:
146 return 0;
147 case PIPE_CAP_PRIMITIVE_RESTART:
148 case PIPE_CAP_TGSI_INSTANCEID:
149 case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
150 case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
151 case PIPE_CAP_CONDITIONAL_RENDER:
152 case PIPE_CAP_TEXTURE_BARRIER:
153 case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
154 case PIPE_CAP_START_INSTANCE:
155 case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
156 return 1;
157 case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
158 return 0; /* state trackers will know better */
159 case PIPE_CAP_USER_CONSTANT_BUFFERS:
160 case PIPE_CAP_USER_INDEX_BUFFERS:
161 case PIPE_CAP_USER_VERTEX_BUFFERS:
162 return 1;
163 case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
164 return 256;
165 case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
166 return 1; /* 256 for binding as RT, but that's not possible in GL */
167 case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
168 return NOUVEAU_MIN_BUFFER_MAP_ALIGN;
169 case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
170 case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
171 case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
172 return 0;
173 case PIPE_CAP_COMPUTE:
174 return (class_3d >= NVE4_3D_CLASS) ? 1 : 0;
175 case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
176 return 1;
177 case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
178 return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50;
179 case PIPE_CAP_ENDIANNESS:
180 return PIPE_ENDIAN_LITTLE;
181 case PIPE_CAP_TGSI_VS_LAYER:
182 case PIPE_CAP_TEXTURE_GATHER_SM5:
183 case PIPE_CAP_FAKE_SW_MSAA:
184 return 0;
185 case PIPE_CAP_MAX_VIEWPORTS:
186 return 1;
187 case PIPE_CAP_TEXTURE_QUERY_LOD:
188 case PIPE_CAP_SAMPLE_SHADING:
189 return 1;
190 case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
191 return 4;
192 default:
193 NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
194 return 0;
195 }
196 }
197
198 static int
199 nvc0_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
200 enum pipe_shader_cap param)
201 {
202 const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
203
204 switch (shader) {
205 case PIPE_SHADER_VERTEX:
206 /*
207 case PIPE_SHADER_TESSELLATION_CONTROL:
208 case PIPE_SHADER_TESSELLATION_EVALUATION:
209 */
210 case PIPE_SHADER_GEOMETRY:
211 case PIPE_SHADER_FRAGMENT:
212 break;
213 case PIPE_SHADER_COMPUTE:
214 if (class_3d < NVE4_3D_CLASS)
215 return 0;
216 break;
217 default:
218 return 0;
219 }
220
221 switch (param) {
222 case PIPE_SHADER_CAP_PREFERRED_IR:
223 return PIPE_SHADER_IR_TGSI;
224 case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
225 case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
226 case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
227 case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
228 return 16384;
229 case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
230 return 16;
231 case PIPE_SHADER_CAP_MAX_INPUTS:
232 if (shader == PIPE_SHADER_VERTEX)
233 return 32;
234 /* NOTE: These only count our slots for GENERIC varyings.
235 * The address space may be larger, but the actual hard limit seems to be
236 * less than what the address space layout permits, so don't add TEXCOORD,
237 * COLOR, etc. here.
238 */
239 if (shader == PIPE_SHADER_FRAGMENT)
240 return 0x1f0 / 16;
241 /* Actually this counts CLIPVERTEX, which occupies the last generic slot,
242 * and excludes 0x60 per-patch inputs.
243 */
244 return 0x200 / 16;
245 case PIPE_SHADER_CAP_MAX_CONSTS:
246 return 65536 / 16;
247 case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
248 if (shader == PIPE_SHADER_COMPUTE && class_3d >= NVE4_3D_CLASS)
249 return NVE4_MAX_PIPE_CONSTBUFS_COMPUTE;
250 return NVC0_MAX_PIPE_CONSTBUFS;
251 case PIPE_SHADER_CAP_MAX_ADDRS:
252 return 1;
253 case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
254 case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
255 return shader != PIPE_SHADER_FRAGMENT;
256 case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
257 case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
258 return 1;
259 case PIPE_SHADER_CAP_MAX_PREDS:
260 return 0;
261 case PIPE_SHADER_CAP_MAX_TEMPS:
262 return NVC0_CAP_MAX_PROGRAM_TEMPS;
263 case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
264 return 1;
265 case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
266 return 0;
267 case PIPE_SHADER_CAP_SUBROUTINES:
268 return 1;
269 case PIPE_SHADER_CAP_INTEGERS:
270 return 1;
271 case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
272 return 16; /* would be 32 in linked (OpenGL-style) mode */
273 case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
274 return 16; /* XXX not sure if more are really safe */
275 default:
276 NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
277 return 0;
278 }
279 }
280
281 static float
282 nvc0_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
283 {
284 switch (param) {
285 case PIPE_CAPF_MAX_LINE_WIDTH:
286 case PIPE_CAPF_MAX_LINE_WIDTH_AA:
287 return 10.0f;
288 case PIPE_CAPF_MAX_POINT_WIDTH:
289 return 63.0f;
290 case PIPE_CAPF_MAX_POINT_WIDTH_AA:
291 return 63.375f;
292 case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
293 return 16.0f;
294 case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
295 return 15.0f;
296 default:
297 NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
298 return 0.0f;
299 }
300 }
301
302 static int
303 nvc0_screen_get_compute_param(struct pipe_screen *pscreen,
304 enum pipe_compute_cap param, void *data)
305 {
306 uint64_t *data64 = (uint64_t *)data;
307 const uint16_t obj_class = nvc0_screen(pscreen)->compute->oclass;
308
309 switch (param) {
310 case PIPE_COMPUTE_CAP_GRID_DIMENSION:
311 data64[0] = 3;
312 return 8;
313 case PIPE_COMPUTE_CAP_MAX_GRID_SIZE:
314 data64[0] = (obj_class >= NVE4_COMPUTE_CLASS) ? 0x7fffffff : 65535;
315 data64[1] = 65535;
316 data64[2] = 65535;
317 return 24;
318 case PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE:
319 data64[0] = 1024;
320 data64[1] = 1024;
321 data64[2] = 64;
322 return 24;
323 case PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK:
324 data64[0] = 1024;
325 return 8;
326 case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE: /* g[] */
327 data64[0] = (uint64_t)1 << 40;
328 return 8;
329 case PIPE_COMPUTE_CAP_MAX_LOCAL_SIZE: /* s[] */
330 data64[0] = 48 << 10;
331 return 8;
332 case PIPE_COMPUTE_CAP_MAX_PRIVATE_SIZE: /* l[] */
333 data64[0] = 512 << 10;
334 return 8;
335 case PIPE_COMPUTE_CAP_MAX_INPUT_SIZE: /* c[], arbitrary limit */
336 data64[0] = 4096;
337 return 8;
338 default:
339 return 0;
340 }
341 }
342
343 static void
344 nvc0_screen_destroy(struct pipe_screen *pscreen)
345 {
346 struct nvc0_screen *screen = nvc0_screen(pscreen);
347
348 if (!nouveau_drm_screen_unref(&screen->base))
349 return;
350
351 if (screen->base.fence.current) {
352 struct nouveau_fence *current = NULL;
353
354 /* nouveau_fence_wait will create a new current fence, so wait on the
355 * _current_ one, and remove both.
356 */
357 nouveau_fence_ref(screen->base.fence.current, &current);
358 nouveau_fence_wait(current);
359 nouveau_fence_ref(NULL, &current);
360 nouveau_fence_ref(NULL, &screen->base.fence.current);
361 }
362 if (screen->base.pushbuf)
363 screen->base.pushbuf->user_priv = NULL;
364
365 if (screen->blitter)
366 nvc0_blitter_destroy(screen);
367 if (screen->pm.prog) {
368 screen->pm.prog->code = NULL; /* hardcoded, don't FREE */
369 nvc0_program_destroy(NULL, screen->pm.prog);
370 }
371
372 nouveau_bo_ref(NULL, &screen->text);
373 nouveau_bo_ref(NULL, &screen->uniform_bo);
374 nouveau_bo_ref(NULL, &screen->tls);
375 nouveau_bo_ref(NULL, &screen->txc);
376 nouveau_bo_ref(NULL, &screen->fence.bo);
377 nouveau_bo_ref(NULL, &screen->poly_cache);
378 nouveau_bo_ref(NULL, &screen->parm);
379
380 nouveau_heap_destroy(&screen->lib_code);
381 nouveau_heap_destroy(&screen->text_heap);
382
383 FREE(screen->tic.entries);
384
385 nouveau_mm_destroy(screen->mm_VRAM_fe0);
386
387 nouveau_object_del(&screen->eng3d);
388 nouveau_object_del(&screen->eng2d);
389 nouveau_object_del(&screen->m2mf);
390 nouveau_object_del(&screen->compute);
391 nouveau_object_del(&screen->nvsw);
392
393 nouveau_screen_fini(&screen->base);
394
395 FREE(screen);
396 }
397
398 static int
399 nvc0_graph_set_macro(struct nvc0_screen *screen, uint32_t m, unsigned pos,
400 unsigned size, const uint32_t *data)
401 {
402 struct nouveau_pushbuf *push = screen->base.pushbuf;
403
404 size /= 4;
405
406 BEGIN_NVC0(push, SUBC_3D(NVC0_GRAPH_MACRO_ID), 2);
407 PUSH_DATA (push, (m - 0x3800) / 8);
408 PUSH_DATA (push, pos);
409 BEGIN_1IC0(push, SUBC_3D(NVC0_GRAPH_MACRO_UPLOAD_POS), size + 1);
410 PUSH_DATA (push, pos);
411 PUSH_DATAp(push, data, size);
412
413 return pos + size;
414 }
415
416 static void
417 nvc0_magic_3d_init(struct nouveau_pushbuf *push, uint16_t obj_class)
418 {
419 BEGIN_NVC0(push, SUBC_3D(0x10cc), 1);
420 PUSH_DATA (push, 0xff);
421 BEGIN_NVC0(push, SUBC_3D(0x10e0), 2);
422 PUSH_DATA (push, 0xff);
423 PUSH_DATA (push, 0xff);
424 BEGIN_NVC0(push, SUBC_3D(0x10ec), 2);
425 PUSH_DATA (push, 0xff);
426 PUSH_DATA (push, 0xff);
427 BEGIN_NVC0(push, SUBC_3D(0x074c), 1);
428 PUSH_DATA (push, 0x3f);
429
430 BEGIN_NVC0(push, SUBC_3D(0x16a8), 1);
431 PUSH_DATA (push, (3 << 16) | 3);
432 BEGIN_NVC0(push, SUBC_3D(0x1794), 1);
433 PUSH_DATA (push, (2 << 16) | 2);
434 BEGIN_NVC0(push, SUBC_3D(0x0de8), 1);
435 PUSH_DATA (push, 1);
436
437 BEGIN_NVC0(push, SUBC_3D(0x12ac), 1);
438 PUSH_DATA (push, 0);
439 BEGIN_NVC0(push, SUBC_3D(0x0218), 1);
440 PUSH_DATA (push, 0x10);
441 BEGIN_NVC0(push, SUBC_3D(0x10fc), 1);
442 PUSH_DATA (push, 0x10);
443 BEGIN_NVC0(push, SUBC_3D(0x1290), 1);
444 PUSH_DATA (push, 0x10);
445 BEGIN_NVC0(push, SUBC_3D(0x12d8), 2);
446 PUSH_DATA (push, 0x10);
447 PUSH_DATA (push, 0x10);
448 BEGIN_NVC0(push, SUBC_3D(0x1140), 1);
449 PUSH_DATA (push, 0x10);
450 BEGIN_NVC0(push, SUBC_3D(0x1610), 1);
451 PUSH_DATA (push, 0xe);
452
453 BEGIN_NVC0(push, SUBC_3D(0x164c), 1);
454 PUSH_DATA (push, 1 << 12);
455 BEGIN_NVC0(push, SUBC_3D(0x030c), 1);
456 PUSH_DATA (push, 0);
457 BEGIN_NVC0(push, SUBC_3D(0x0300), 1);
458 PUSH_DATA (push, 3);
459
460 BEGIN_NVC0(push, SUBC_3D(0x02d0), 1);
461 PUSH_DATA (push, 0x3fffff);
462 BEGIN_NVC0(push, SUBC_3D(0x0fdc), 1);
463 PUSH_DATA (push, 1);
464 BEGIN_NVC0(push, SUBC_3D(0x19c0), 1);
465 PUSH_DATA (push, 1);
466 BEGIN_NVC0(push, SUBC_3D(0x075c), 1);
467 PUSH_DATA (push, 3);
468
469 if (obj_class >= NVE4_3D_CLASS) {
470 BEGIN_NVC0(push, SUBC_3D(0x07fc), 1);
471 PUSH_DATA (push, 1);
472 }
473
474 /* TODO: find out what software methods 0x1528, 0x1280 and (on nve4) 0x02dc
475 * are supposed to do */
476 }
477
478 static void
479 nvc0_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
480 {
481 struct nvc0_screen *screen = nvc0_screen(pscreen);
482 struct nouveau_pushbuf *push = screen->base.pushbuf;
483
484 /* we need to do it after possible flush in MARK_RING */
485 *sequence = ++screen->base.fence.sequence;
486
487 BEGIN_NVC0(push, NVC0_3D(QUERY_ADDRESS_HIGH), 4);
488 PUSH_DATAh(push, screen->fence.bo->offset);
489 PUSH_DATA (push, screen->fence.bo->offset);
490 PUSH_DATA (push, *sequence);
491 PUSH_DATA (push, NVC0_3D_QUERY_GET_FENCE | NVC0_3D_QUERY_GET_SHORT |
492 (0xf << NVC0_3D_QUERY_GET_UNIT__SHIFT));
493 }
494
495 static u32
496 nvc0_screen_fence_update(struct pipe_screen *pscreen)
497 {
498 struct nvc0_screen *screen = nvc0_screen(pscreen);
499 return screen->fence.map[0];
500 }
501
502 static int
503 nvc0_screen_init_compute(struct nvc0_screen *screen)
504 {
505 screen->base.base.get_compute_param = nvc0_screen_get_compute_param;
506
507 switch (screen->base.device->chipset & ~0xf) {
508 case 0xc0:
509 case 0xd0:
510 /* Using COMPUTE has weird effects on 3D state, we need to
511 * investigate this further before enabling it by default.
512 */
513 if (debug_get_bool_option("NVC0_COMPUTE", FALSE))
514 return nvc0_screen_compute_setup(screen, screen->base.pushbuf);
515 return 0;
516 case 0xe0:
517 case 0xf0:
518 case 0x100:
519 return nve4_screen_compute_setup(screen, screen->base.pushbuf);
520 default:
521 return -1;
522 }
523 }
524
525 boolean
526 nvc0_screen_resize_tls_area(struct nvc0_screen *screen,
527 uint32_t lpos, uint32_t lneg, uint32_t cstack)
528 {
529 struct nouveau_bo *bo = NULL;
530 int ret;
531 uint64_t size = (lpos + lneg) * 32 + cstack;
532
533 if (size >= (1 << 20)) {
534 NOUVEAU_ERR("requested TLS size too large: 0x%"PRIx64"\n", size);
535 return FALSE;
536 }
537
538 size *= (screen->base.device->chipset >= 0xe0) ? 64 : 48; /* max warps */
539 size = align(size, 0x8000);
540 size *= screen->mp_count;
541
542 size = align(size, 1 << 17);
543
544 ret = nouveau_bo_new(screen->base.device, NOUVEAU_BO_VRAM, 1 << 17, size,
545 NULL, &bo);
546 if (ret) {
547 NOUVEAU_ERR("failed to allocate TLS area, size: 0x%"PRIx64"\n", size);
548 return FALSE;
549 }
550 nouveau_bo_ref(NULL, &screen->tls);
551 screen->tls = bo;
552 return TRUE;
553 }
554
555 #define FAIL_SCREEN_INIT(str, err) \
556 do { \
557 NOUVEAU_ERR(str, err); \
558 nvc0_screen_destroy(pscreen); \
559 return NULL; \
560 } while(0)
561
562 struct pipe_screen *
563 nvc0_screen_create(struct nouveau_device *dev)
564 {
565 struct nvc0_screen *screen;
566 struct pipe_screen *pscreen;
567 struct nouveau_object *chan;
568 struct nouveau_pushbuf *push;
569 uint64_t value;
570 uint32_t obj_class;
571 int ret;
572 unsigned i;
573 union nouveau_bo_config mm_config;
574
575 switch (dev->chipset & ~0xf) {
576 case 0xc0:
577 case 0xd0:
578 case 0xe0:
579 case 0xf0:
580 case 0x100:
581 break;
582 default:
583 return NULL;
584 }
585
586 screen = CALLOC_STRUCT(nvc0_screen);
587 if (!screen)
588 return NULL;
589 pscreen = &screen->base.base;
590
591 ret = nouveau_screen_init(&screen->base, dev);
592 if (ret) {
593 nvc0_screen_destroy(pscreen);
594 return NULL;
595 }
596 chan = screen->base.channel;
597 push = screen->base.pushbuf;
598 push->user_priv = screen;
599 push->rsvd_kick = 5;
600
601 screen->base.vidmem_bindings |= PIPE_BIND_CONSTANT_BUFFER |
602 PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
603 screen->base.sysmem_bindings |=
604 PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
605
606 pscreen->destroy = nvc0_screen_destroy;
607 pscreen->context_create = nvc0_create;
608 pscreen->is_format_supported = nvc0_screen_is_format_supported;
609 pscreen->get_param = nvc0_screen_get_param;
610 pscreen->get_shader_param = nvc0_screen_get_shader_param;
611 pscreen->get_paramf = nvc0_screen_get_paramf;
612 pscreen->get_driver_query_info = nvc0_screen_get_driver_query_info;
613
614 nvc0_screen_init_resource_functions(pscreen);
615
616 screen->base.base.get_video_param = nouveau_vp3_screen_get_video_param;
617 screen->base.base.is_video_format_supported = nouveau_vp3_screen_video_supported;
618
619 ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096, NULL,
620 &screen->fence.bo);
621 if (ret)
622 goto fail;
623 nouveau_bo_map(screen->fence.bo, 0, NULL);
624 screen->fence.map = screen->fence.bo->map;
625 screen->base.fence.emit = nvc0_screen_fence_emit;
626 screen->base.fence.update = nvc0_screen_fence_update;
627
628
629 ret = nouveau_object_new(chan,
630 (dev->chipset < 0xe0) ? 0x1f906e : 0x906e, 0x906e,
631 NULL, 0, &screen->nvsw);
632 if (ret)
633 FAIL_SCREEN_INIT("Error creating SW object: %d\n", ret);
634
635
636 switch (dev->chipset & ~0xf) {
637 case 0x100:
638 case 0xf0:
639 obj_class = NVF0_P2MF_CLASS;
640 break;
641 case 0xe0:
642 obj_class = NVE4_P2MF_CLASS;
643 break;
644 default:
645 obj_class = NVC0_M2MF_CLASS;
646 break;
647 }
648 ret = nouveau_object_new(chan, 0xbeef323f, obj_class, NULL, 0,
649 &screen->m2mf);
650 if (ret)
651 FAIL_SCREEN_INIT("Error allocating PGRAPH context for M2MF: %d\n", ret);
652
653 BEGIN_NVC0(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
654 PUSH_DATA (push, screen->m2mf->oclass);
655 if (screen->m2mf->oclass == NVE4_P2MF_CLASS) {
656 BEGIN_NVC0(push, SUBC_COPY(NV01_SUBCHAN_OBJECT), 1);
657 PUSH_DATA (push, 0xa0b5);
658 }
659
660 ret = nouveau_object_new(chan, 0xbeef902d, NVC0_2D_CLASS, NULL, 0,
661 &screen->eng2d);
662 if (ret)
663 FAIL_SCREEN_INIT("Error allocating PGRAPH context for 2D: %d\n", ret);
664
665 BEGIN_NVC0(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
666 PUSH_DATA (push, screen->eng2d->oclass);
667 BEGIN_NVC0(push, NVC0_2D(SINGLE_GPC), 1);
668 PUSH_DATA (push, 0);
669 BEGIN_NVC0(push, NVC0_2D(OPERATION), 1);
670 PUSH_DATA (push, NVC0_2D_OPERATION_SRCCOPY);
671 BEGIN_NVC0(push, NVC0_2D(CLIP_ENABLE), 1);
672 PUSH_DATA (push, 0);
673 BEGIN_NVC0(push, NVC0_2D(COLOR_KEY_ENABLE), 1);
674 PUSH_DATA (push, 0);
675 BEGIN_NVC0(push, SUBC_2D(0x0884), 1);
676 PUSH_DATA (push, 0x3f);
677 BEGIN_NVC0(push, SUBC_2D(0x0888), 1);
678 PUSH_DATA (push, 1);
679
680 BEGIN_NVC0(push, SUBC_2D(NVC0_GRAPH_NOTIFY_ADDRESS_HIGH), 2);
681 PUSH_DATAh(push, screen->fence.bo->offset + 16);
682 PUSH_DATA (push, screen->fence.bo->offset + 16);
683
684 switch (dev->chipset & ~0xf) {
685 case 0x100:
686 case 0xf0:
687 obj_class = NVF0_3D_CLASS;
688 break;
689 case 0xe0:
690 obj_class = NVE4_3D_CLASS;
691 break;
692 case 0xd0:
693 obj_class = NVC8_3D_CLASS;
694 break;
695 case 0xc0:
696 default:
697 switch (dev->chipset) {
698 case 0xc8:
699 obj_class = NVC8_3D_CLASS;
700 break;
701 case 0xc1:
702 obj_class = NVC1_3D_CLASS;
703 break;
704 default:
705 obj_class = NVC0_3D_CLASS;
706 break;
707 }
708 break;
709 }
710 ret = nouveau_object_new(chan, 0xbeef003d, obj_class, NULL, 0,
711 &screen->eng3d);
712 if (ret)
713 FAIL_SCREEN_INIT("Error allocating PGRAPH context for 3D: %d\n", ret);
714 screen->base.class_3d = obj_class;
715
716 BEGIN_NVC0(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
717 PUSH_DATA (push, screen->eng3d->oclass);
718
719 BEGIN_NVC0(push, NVC0_3D(COND_MODE), 1);
720 PUSH_DATA (push, NVC0_3D_COND_MODE_ALWAYS);
721
722 if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", TRUE)) {
723 /* kill shaders after about 1 second (at 100 MHz) */
724 BEGIN_NVC0(push, NVC0_3D(WATCHDOG_TIMER), 1);
725 PUSH_DATA (push, 0x17);
726 }
727
728 IMMED_NVC0(push, NVC0_3D(ZETA_COMP_ENABLE), dev->drm_version >= 0x01000101);
729 BEGIN_NVC0(push, NVC0_3D(RT_COMP_ENABLE(0)), 8);
730 for (i = 0; i < 8; ++i)
731 PUSH_DATA(push, dev->drm_version >= 0x01000101);
732
733 BEGIN_NVC0(push, NVC0_3D(RT_CONTROL), 1);
734 PUSH_DATA (push, 1);
735
736 BEGIN_NVC0(push, NVC0_3D(CSAA_ENABLE), 1);
737 PUSH_DATA (push, 0);
738 BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_ENABLE), 1);
739 PUSH_DATA (push, 0);
740 BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), 1);
741 PUSH_DATA (push, NVC0_3D_MULTISAMPLE_MODE_MS1);
742 BEGIN_NVC0(push, NVC0_3D(MULTISAMPLE_CTRL), 1);
743 PUSH_DATA (push, 0);
744 BEGIN_NVC0(push, NVC0_3D(LINE_WIDTH_SEPARATE), 1);
745 PUSH_DATA (push, 1);
746 BEGIN_NVC0(push, NVC0_3D(LINE_LAST_PIXEL), 1);
747 PUSH_DATA (push, 0);
748 BEGIN_NVC0(push, NVC0_3D(BLEND_SEPARATE_ALPHA), 1);
749 PUSH_DATA (push, 1);
750 BEGIN_NVC0(push, NVC0_3D(BLEND_ENABLE_COMMON), 1);
751 PUSH_DATA (push, 0);
752 if (screen->eng3d->oclass < NVE4_3D_CLASS) {
753 BEGIN_NVC0(push, NVC0_3D(TEX_MISC), 1);
754 PUSH_DATA (push, NVC0_3D_TEX_MISC_SEAMLESS_CUBE_MAP);
755 } else {
756 BEGIN_NVC0(push, NVE4_3D(TEX_CB_INDEX), 1);
757 PUSH_DATA (push, 15);
758 }
759 BEGIN_NVC0(push, NVC0_3D(CALL_LIMIT_LOG), 1);
760 PUSH_DATA (push, 8); /* 128 */
761 BEGIN_NVC0(push, NVC0_3D(ZCULL_STATCTRS_ENABLE), 1);
762 PUSH_DATA (push, 1);
763 if (screen->eng3d->oclass >= NVC1_3D_CLASS) {
764 BEGIN_NVC0(push, NVC0_3D(CACHE_SPLIT), 1);
765 PUSH_DATA (push, NVC0_3D_CACHE_SPLIT_48K_SHARED_16K_L1);
766 }
767
768 nvc0_magic_3d_init(push, screen->eng3d->oclass);
769
770 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 20, NULL,
771 &screen->text);
772 if (ret)
773 goto fail;
774
775 /* XXX: getting a page fault at the end of the code buffer every few
776 * launches, don't use the last 256 bytes to work around them - prefetch ?
777 */
778 nouveau_heap_init(&screen->text_heap, 0, (1 << 20) - 0x100);
779
780 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 12, 6 << 16, NULL,
781 &screen->uniform_bo);
782 if (ret)
783 goto fail;
784
785 PUSH_REFN (push, screen->uniform_bo, NOUVEAU_BO_VRAM | NOUVEAU_BO_WR);
786
787 for (i = 0; i < 5; ++i) {
788 /* TIC and TSC entries for each unit (nve4+ only) */
789 /* auxiliary constants (6 user clip planes, base instance id) */
790 BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
791 PUSH_DATA (push, 512);
792 PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (i << 9));
793 PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (i << 9));
794 BEGIN_NVC0(push, NVC0_3D(CB_BIND(i)), 1);
795 PUSH_DATA (push, (15 << 4) | 1);
796 if (screen->eng3d->oclass >= NVE4_3D_CLASS) {
797 unsigned j;
798 BEGIN_1IC0(push, NVC0_3D(CB_POS), 9);
799 PUSH_DATA (push, 0);
800 for (j = 0; j < 8; ++j)
801 PUSH_DATA(push, j);
802 } else {
803 BEGIN_NVC0(push, NVC0_3D(TEX_LIMITS(i)), 1);
804 PUSH_DATA (push, 0x54);
805 }
806 }
807 BEGIN_NVC0(push, NVC0_3D(LINKED_TSC), 1);
808 PUSH_DATA (push, 0);
809
810 /* return { 0.0, 0.0, 0.0, 0.0 } for out-of-bounds vtxbuf access */
811 BEGIN_NVC0(push, NVC0_3D(CB_SIZE), 3);
812 PUSH_DATA (push, 256);
813 PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
814 PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
815 BEGIN_1IC0(push, NVC0_3D(CB_POS), 5);
816 PUSH_DATA (push, 0);
817 PUSH_DATAf(push, 0.0f);
818 PUSH_DATAf(push, 0.0f);
819 PUSH_DATAf(push, 0.0f);
820 PUSH_DATAf(push, 0.0f);
821 BEGIN_NVC0(push, NVC0_3D(VERTEX_RUNOUT_ADDRESS_HIGH), 2);
822 PUSH_DATAh(push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
823 PUSH_DATA (push, screen->uniform_bo->offset + (5 << 16) + (6 << 9));
824
825 if (dev->drm_version >= 0x01000101) {
826 ret = nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
827 if (ret) {
828 NOUVEAU_ERR("NOUVEAU_GETPARAM_GRAPH_UNITS failed.\n");
829 goto fail;
830 }
831 } else {
832 if (dev->chipset >= 0xe0 && dev->chipset < 0xf0)
833 value = (8 << 8) | 4;
834 else
835 value = (16 << 8) | 4;
836 }
837 screen->mp_count = value >> 8;
838 screen->mp_count_compute = screen->mp_count;
839
840 nvc0_screen_resize_tls_area(screen, 128 * 16, 0, 0x200);
841
842 BEGIN_NVC0(push, NVC0_3D(CODE_ADDRESS_HIGH), 2);
843 PUSH_DATAh(push, screen->text->offset);
844 PUSH_DATA (push, screen->text->offset);
845 BEGIN_NVC0(push, NVC0_3D(TEMP_ADDRESS_HIGH), 4);
846 PUSH_DATAh(push, screen->tls->offset);
847 PUSH_DATA (push, screen->tls->offset);
848 PUSH_DATA (push, screen->tls->size >> 32);
849 PUSH_DATA (push, screen->tls->size);
850 BEGIN_NVC0(push, NVC0_3D(WARP_TEMP_ALLOC), 1);
851 PUSH_DATA (push, 0);
852 BEGIN_NVC0(push, NVC0_3D(LOCAL_BASE), 1);
853 PUSH_DATA (push, 0);
854
855 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 20, NULL,
856 &screen->poly_cache);
857 if (ret)
858 goto fail;
859
860 BEGIN_NVC0(push, NVC0_3D(VERTEX_QUARANTINE_ADDRESS_HIGH), 3);
861 PUSH_DATAh(push, screen->poly_cache->offset);
862 PUSH_DATA (push, screen->poly_cache->offset);
863 PUSH_DATA (push, 3);
864
865 ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 17, 1 << 17, NULL,
866 &screen->txc);
867 if (ret)
868 goto fail;
869
870 BEGIN_NVC0(push, NVC0_3D(TIC_ADDRESS_HIGH), 3);
871 PUSH_DATAh(push, screen->txc->offset);
872 PUSH_DATA (push, screen->txc->offset);
873 PUSH_DATA (push, NVC0_TIC_MAX_ENTRIES - 1);
874
875 BEGIN_NVC0(push, NVC0_3D(TSC_ADDRESS_HIGH), 3);
876 PUSH_DATAh(push, screen->txc->offset + 65536);
877 PUSH_DATA (push, screen->txc->offset + 65536);
878 PUSH_DATA (push, NVC0_TSC_MAX_ENTRIES - 1);
879
880 BEGIN_NVC0(push, NVC0_3D(SCREEN_Y_CONTROL), 1);
881 PUSH_DATA (push, 0);
882 BEGIN_NVC0(push, NVC0_3D(WINDOW_OFFSET_X), 2);
883 PUSH_DATA (push, 0);
884 PUSH_DATA (push, 0);
885 BEGIN_NVC0(push, NVC0_3D(ZCULL_REGION), 1); /* deactivate ZCULL */
886 PUSH_DATA (push, 0x3f);
887
888 BEGIN_NVC0(push, NVC0_3D(CLIP_RECTS_MODE), 1);
889 PUSH_DATA (push, NVC0_3D_CLIP_RECTS_MODE_INSIDE_ANY);
890 BEGIN_NVC0(push, NVC0_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
891 for (i = 0; i < 8 * 2; ++i)
892 PUSH_DATA(push, 0);
893 BEGIN_NVC0(push, NVC0_3D(CLIP_RECTS_EN), 1);
894 PUSH_DATA (push, 0);
895 BEGIN_NVC0(push, NVC0_3D(CLIPID_ENABLE), 1);
896 PUSH_DATA (push, 0);
897
898 /* neither scissors, viewport nor stencil mask should affect clears */
899 BEGIN_NVC0(push, NVC0_3D(CLEAR_FLAGS), 1);
900 PUSH_DATA (push, 0);
901
902 BEGIN_NVC0(push, NVC0_3D(VIEWPORT_TRANSFORM_EN), 1);
903 PUSH_DATA (push, 1);
904 BEGIN_NVC0(push, NVC0_3D(DEPTH_RANGE_NEAR(0)), 2);
905 PUSH_DATAf(push, 0.0f);
906 PUSH_DATAf(push, 1.0f);
907 BEGIN_NVC0(push, NVC0_3D(VIEW_VOLUME_CLIP_CTRL), 1);
908 PUSH_DATA (push, NVC0_3D_VIEW_VOLUME_CLIP_CTRL_UNK1_UNK1);
909
910 /* We use scissors instead of exact view volume clipping,
911 * so they're always enabled.
912 */
913 BEGIN_NVC0(push, NVC0_3D(SCISSOR_ENABLE(0)), 3);
914 PUSH_DATA (push, 1);
915 PUSH_DATA (push, 8192 << 16);
916 PUSH_DATA (push, 8192 << 16);
917
918 #define MK_MACRO(m, n) i = nvc0_graph_set_macro(screen, m, i, sizeof(n), n);
919
920 i = 0;
921 MK_MACRO(NVC0_3D_MACRO_VERTEX_ARRAY_PER_INSTANCE, nvc0_9097_per_instance_bf);
922 MK_MACRO(NVC0_3D_MACRO_BLEND_ENABLES, nvc0_9097_blend_enables);
923 MK_MACRO(NVC0_3D_MACRO_VERTEX_ARRAY_SELECT, nvc0_9097_vertex_array_select);
924 MK_MACRO(NVC0_3D_MACRO_TEP_SELECT, nvc0_9097_tep_select);
925 MK_MACRO(NVC0_3D_MACRO_GP_SELECT, nvc0_9097_gp_select);
926 MK_MACRO(NVC0_3D_MACRO_POLYGON_MODE_FRONT, nvc0_9097_poly_mode_front);
927 MK_MACRO(NVC0_3D_MACRO_POLYGON_MODE_BACK, nvc0_9097_poly_mode_back);
928
929 BEGIN_NVC0(push, NVC0_3D(RASTERIZE_ENABLE), 1);
930 PUSH_DATA (push, 1);
931 BEGIN_NVC0(push, NVC0_3D(RT_SEPARATE_FRAG_DATA), 1);
932 PUSH_DATA (push, 1);
933 BEGIN_NVC0(push, NVC0_3D(MACRO_GP_SELECT), 1);
934 PUSH_DATA (push, 0x40);
935 BEGIN_NVC0(push, NVC0_3D(LAYER), 1);
936 PUSH_DATA (push, 0);
937 BEGIN_NVC0(push, NVC0_3D(MACRO_TEP_SELECT), 1);
938 PUSH_DATA (push, 0x30);
939 BEGIN_NVC0(push, NVC0_3D(PATCH_VERTICES), 1);
940 PUSH_DATA (push, 3);
941 BEGIN_NVC0(push, NVC0_3D(SP_SELECT(2)), 1);
942 PUSH_DATA (push, 0x20);
943 BEGIN_NVC0(push, NVC0_3D(SP_SELECT(0)), 1);
944 PUSH_DATA (push, 0x00);
945
946 BEGIN_NVC0(push, NVC0_3D(POINT_COORD_REPLACE), 1);
947 PUSH_DATA (push, 0);
948 BEGIN_NVC0(push, NVC0_3D(POINT_RASTER_RULES), 1);
949 PUSH_DATA (push, NVC0_3D_POINT_RASTER_RULES_OGL);
950
951 IMMED_NVC0(push, NVC0_3D(EDGEFLAG), 1);
952
953 if (nvc0_screen_init_compute(screen))
954 goto fail;
955
956 PUSH_KICK (push);
957
958 screen->tic.entries = CALLOC(4096, sizeof(void *));
959 screen->tsc.entries = screen->tic.entries + 2048;
960
961 mm_config.nvc0.tile_mode = 0;
962 mm_config.nvc0.memtype = 0xfe0;
963 screen->mm_VRAM_fe0 = nouveau_mm_create(dev, NOUVEAU_BO_VRAM, &mm_config);
964
965 if (!nvc0_blitter_create(screen))
966 goto fail;
967
968 nouveau_fence_new(&screen->base, &screen->base.fence.current, FALSE);
969
970 return pscreen;
971
972 fail:
973 nvc0_screen_destroy(pscreen);
974 return NULL;
975 }
976
977 int
978 nvc0_screen_tic_alloc(struct nvc0_screen *screen, void *entry)
979 {
980 int i = screen->tic.next;
981
982 while (screen->tic.lock[i / 32] & (1 << (i % 32)))
983 i = (i + 1) & (NVC0_TIC_MAX_ENTRIES - 1);
984
985 screen->tic.next = (i + 1) & (NVC0_TIC_MAX_ENTRIES - 1);
986
987 if (screen->tic.entries[i])
988 nv50_tic_entry(screen->tic.entries[i])->id = -1;
989
990 screen->tic.entries[i] = entry;
991 return i;
992 }
993
994 int
995 nvc0_screen_tsc_alloc(struct nvc0_screen *screen, void *entry)
996 {
997 int i = screen->tsc.next;
998
999 while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
1000 i = (i + 1) & (NVC0_TSC_MAX_ENTRIES - 1);
1001
1002 screen->tsc.next = (i + 1) & (NVC0_TSC_MAX_ENTRIES - 1);
1003
1004 if (screen->tsc.entries[i])
1005 nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
1006
1007 screen->tsc.entries[i] = entry;
1008 return i;
1009 }