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 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
20 * 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 "nv50_context.h"
28#include "nv50_screen.h"
29
30#include "nouveau/nv_object.xml.h"
31#include <errno.h>
32
33#ifndef NOUVEAU_GETPARAM_GRAPH_UNITS
34# define NOUVEAU_GETPARAM_GRAPH_UNITS 13
35#endif
36
37/* affected by LOCAL_WARPS_LOG_ALLOC / LOCAL_WARPS_NO_CLAMP */
38#define LOCAL_WARPS_ALLOC 32
39/* affected by STACK_WARPS_LOG_ALLOC / STACK_WARPS_NO_CLAMP */
40#define STACK_WARPS_ALLOC 32
41
42#define THREADS_IN_WARP 32
43
44#define ONE_TEMP_SIZE (4/*vector*/ * sizeof(float))
45
46static boolean
47nv50_screen_is_format_supported(struct pipe_screen *pscreen,
48                                enum pipe_format format,
49                                enum pipe_texture_target target,
50                                unsigned sample_count,
51                                unsigned bindings)
52{
53   if (sample_count > 8)
54      return FALSE;
55   if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
56      return FALSE;
57   if (sample_count == 8 && util_format_get_blocksizebits(format) >= 128)
58      return FALSE;
59
60   if (!util_format_is_supported(format, bindings))
61      return FALSE;
62
63   switch (format) {
64   case PIPE_FORMAT_Z16_UNORM:
65      if (nv50_screen(pscreen)->tesla->oclass < NVA0_3D_CLASS)
66         return FALSE;
67      break;
68   case PIPE_FORMAT_R8G8B8A8_UNORM:
69   case PIPE_FORMAT_R8G8B8X8_UNORM:
70      /* HACK: GL requires equal formats for MS resolve and window is BGRA */
71      if (bindings & PIPE_BIND_RENDER_TARGET)
72         return FALSE;
73   default:
74      break;
75   }
76
77   /* transfers & shared are always supported */
78   bindings &= ~(PIPE_BIND_TRANSFER_READ |
79                 PIPE_BIND_TRANSFER_WRITE |
80                 PIPE_BIND_SHARED);
81
82   return (nv50_format_table[format].usage & bindings) == bindings;
83}
84
85static int
86nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
87{
88   const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
89
90   switch (param) {
91   case PIPE_CAP_MAX_COMBINED_SAMPLERS:
92      return 64;
93   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
94      return 14;
95   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
96      return 12;
97   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
98      return 14;
99   case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
100      return 512;
101   case PIPE_CAP_MIN_TEXEL_OFFSET:
102      return -8;
103   case PIPE_CAP_MAX_TEXEL_OFFSET:
104      return 7;
105   case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
106   case PIPE_CAP_TEXTURE_SWIZZLE:
107   case PIPE_CAP_TEXTURE_SHADOW_MAP:
108   case PIPE_CAP_NPOT_TEXTURES:
109   case PIPE_CAP_ANISOTROPIC_FILTER:
110   case PIPE_CAP_SCALED_RESOLVE:
111      return 1;
112   case PIPE_CAP_SEAMLESS_CUBE_MAP:
113      return nv50_screen(pscreen)->tesla->oclass >= NVA0_3D_CLASS;
114   case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
115      return 0;
116   case PIPE_CAP_TWO_SIDED_STENCIL:
117   case PIPE_CAP_DEPTH_CLIP_DISABLE:
118   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
119   case PIPE_CAP_POINT_SPRITE:
120      return 1;
121   case PIPE_CAP_SM3:
122      return 1;
123   case PIPE_CAP_GLSL_FEATURE_LEVEL:
124      return 130;
125   case PIPE_CAP_MAX_RENDER_TARGETS:
126      return 8;
127   case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
128      return 1;
129   case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
130   case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
131   case PIPE_CAP_VERTEX_COLOR_CLAMPED:
132      return 1;
133   case PIPE_CAP_QUERY_TIMESTAMP:
134   case PIPE_CAP_TIMER_QUERY:
135   case PIPE_CAP_OCCLUSION_QUERY:
136      return 1;
137   case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
138      return 4;
139   case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
140   case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
141      return 64;
142   case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
143      return (class_3d >= NVA0_3D_CLASS) ? 1 : 0;
144   case PIPE_CAP_BLEND_EQUATION_SEPARATE:
145   case PIPE_CAP_INDEP_BLEND_ENABLE:
146      return 1;
147   case PIPE_CAP_INDEP_BLEND_FUNC:
148      return nv50_screen(pscreen)->tesla->oclass >= NVA3_3D_CLASS;
149   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
150   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
151      return 1;
152   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
153   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
154      return 0;
155   case PIPE_CAP_SHADER_STENCIL_EXPORT:
156      return 0;
157   case PIPE_CAP_PRIMITIVE_RESTART:
158   case PIPE_CAP_TGSI_INSTANCEID:
159   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
160   case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
161   case PIPE_CAP_CONDITIONAL_RENDER:
162   case PIPE_CAP_TEXTURE_BARRIER:
163   case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
164   case PIPE_CAP_START_INSTANCE:
165      return 1;
166   case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
167   case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
168      return 0; /* state trackers will know better */
169   case PIPE_CAP_USER_CONSTANT_BUFFERS:
170   case PIPE_CAP_USER_INDEX_BUFFERS:
171   case PIPE_CAP_USER_VERTEX_BUFFERS:
172      return 1;
173   case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
174      return 256;
175   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
176   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
177   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
178      return 0;
179   default:
180      NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
181      return 0;
182   }
183}
184
185static int
186nv50_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
187                             enum pipe_shader_cap param)
188{
189   switch (shader) {
190   case PIPE_SHADER_VERTEX:
191   case PIPE_SHADER_GEOMETRY:
192   case PIPE_SHADER_FRAGMENT:
193      break;
194   default:
195      return 0;
196   }
197
198   switch (param) {
199   case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
200   case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
201   case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
202   case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
203      return 16384;
204   case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
205      return 4;
206   case PIPE_SHADER_CAP_MAX_INPUTS:
207      if (shader == PIPE_SHADER_VERTEX)
208         return 32;
209      return 0x300 / 16;
210   case PIPE_SHADER_CAP_MAX_CONSTS:
211      return 65536 / 16;
212   case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
213      return NV50_MAX_PIPE_CONSTBUFS;
214   case PIPE_SHADER_CAP_MAX_ADDRS:
215      return 1;
216   case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
217   case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
218      return shader != PIPE_SHADER_FRAGMENT;
219   case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
220   case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
221      return 1;
222   case PIPE_SHADER_CAP_MAX_PREDS:
223      return 0;
224   case PIPE_SHADER_CAP_MAX_TEMPS:
225      return nv50_screen(pscreen)->max_tls_space / ONE_TEMP_SIZE;
226   case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
227      return 1;
228   case PIPE_SHADER_CAP_SUBROUTINES:
229      return 0; /* please inline, or provide function declarations */
230   case PIPE_SHADER_CAP_INTEGERS:
231      return 1;
232   case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
233      return 32;
234   default:
235      NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
236      return 0;
237   }
238}
239
240static float
241nv50_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
242{
243   switch (param) {
244   case PIPE_CAPF_MAX_LINE_WIDTH:
245   case PIPE_CAPF_MAX_LINE_WIDTH_AA:
246      return 10.0f;
247   case PIPE_CAPF_MAX_POINT_WIDTH:
248   case PIPE_CAPF_MAX_POINT_WIDTH_AA:
249      return 64.0f;
250   case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
251      return 16.0f;
252   case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
253      return 4.0f;
254   default:
255      NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
256      return 0.0f;
257   }
258}
259
260static void
261nv50_screen_destroy(struct pipe_screen *pscreen)
262{
263   struct nv50_screen *screen = nv50_screen(pscreen);
264
265   if (screen->base.fence.current) {
266      nouveau_fence_wait(screen->base.fence.current);
267      nouveau_fence_ref (NULL, &screen->base.fence.current);
268   }
269   if (screen->base.pushbuf)
270      screen->base.pushbuf->user_priv = NULL;
271
272   if (screen->blitctx)
273      FREE(screen->blitctx);
274
275   nouveau_bo_ref(NULL, &screen->code);
276   nouveau_bo_ref(NULL, &screen->tls_bo);
277   nouveau_bo_ref(NULL, &screen->stack_bo);
278   nouveau_bo_ref(NULL, &screen->txc);
279   nouveau_bo_ref(NULL, &screen->uniforms);
280   nouveau_bo_ref(NULL, &screen->fence.bo);
281
282   nouveau_heap_destroy(&screen->vp_code_heap);
283   nouveau_heap_destroy(&screen->gp_code_heap);
284   nouveau_heap_destroy(&screen->fp_code_heap);
285
286   if (screen->tic.entries)
287      FREE(screen->tic.entries);
288
289   nouveau_object_del(&screen->tesla);
290   nouveau_object_del(&screen->eng2d);
291   nouveau_object_del(&screen->m2mf);
292   nouveau_object_del(&screen->sync);
293
294   nouveau_screen_fini(&screen->base);
295
296   FREE(screen);
297}
298
299static void
300nv50_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
301{
302   struct nv50_screen *screen = nv50_screen(pscreen);
303   struct nouveau_pushbuf *push = screen->base.pushbuf;
304
305   /* we need to do it after possible flush in MARK_RING */
306   *sequence = ++screen->base.fence.sequence;
307
308   PUSH_DATA (push, NV50_FIFO_PKHDR(NV50_3D(QUERY_ADDRESS_HIGH), 4));
309   PUSH_DATAh(push, screen->fence.bo->offset);
310   PUSH_DATA (push, screen->fence.bo->offset);
311   PUSH_DATA (push, *sequence);
312   PUSH_DATA (push, NV50_3D_QUERY_GET_MODE_WRITE_UNK0 |
313                    NV50_3D_QUERY_GET_UNK4 |
314                    NV50_3D_QUERY_GET_UNIT_CROP |
315                    NV50_3D_QUERY_GET_TYPE_QUERY |
316                    NV50_3D_QUERY_GET_QUERY_SELECT_ZERO |
317                    NV50_3D_QUERY_GET_SHORT);
318}
319
320static u32
321nv50_screen_fence_update(struct pipe_screen *pscreen)
322{
323   return nv50_screen(pscreen)->fence.map[0];
324}
325
326static void
327nv50_screen_init_hwctx(struct nv50_screen *screen)
328{
329   struct nouveau_pushbuf *push = screen->base.pushbuf;
330   struct nv04_fifo *fifo;
331   unsigned i;
332
333   fifo = (struct nv04_fifo *)screen->base.channel->data;
334
335   BEGIN_NV04(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
336   PUSH_DATA (push, screen->m2mf->handle);
337   BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_DMA_NOTIFY), 3);
338   PUSH_DATA (push, screen->sync->handle);
339   PUSH_DATA (push, fifo->vram);
340   PUSH_DATA (push, fifo->vram);
341
342   BEGIN_NV04(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
343   PUSH_DATA (push, screen->eng2d->handle);
344   BEGIN_NV04(push, NV50_2D(DMA_NOTIFY), 4);
345   PUSH_DATA (push, screen->sync->handle);
346   PUSH_DATA (push, fifo->vram);
347   PUSH_DATA (push, fifo->vram);
348   PUSH_DATA (push, fifo->vram);
349   BEGIN_NV04(push, NV50_2D(OPERATION), 1);
350   PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
351   BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
352   PUSH_DATA (push, 0);
353   BEGIN_NV04(push, NV50_2D(COLOR_KEY_ENABLE), 1);
354   PUSH_DATA (push, 0);
355   BEGIN_NV04(push, SUBC_2D(0x0888), 1);
356   PUSH_DATA (push, 1);
357
358   BEGIN_NV04(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
359   PUSH_DATA (push, screen->tesla->handle);
360
361   BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
362   PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
363
364   BEGIN_NV04(push, NV50_3D(DMA_NOTIFY), 1);
365   PUSH_DATA (push, screen->sync->handle);
366   BEGIN_NV04(push, NV50_3D(DMA_ZETA), 11);
367   for (i = 0; i < 11; ++i)
368      PUSH_DATA(push, fifo->vram);
369   BEGIN_NV04(push, NV50_3D(DMA_COLOR(0)), NV50_3D_DMA_COLOR__LEN);
370   for (i = 0; i < NV50_3D_DMA_COLOR__LEN; ++i)
371      PUSH_DATA(push, fifo->vram);
372
373   BEGIN_NV04(push, NV50_3D(REG_MODE), 1);
374   PUSH_DATA (push, NV50_3D_REG_MODE_STRIPED);
375   BEGIN_NV04(push, NV50_3D(UNK1400_LANES), 1);
376   PUSH_DATA (push, 0xf);
377
378   if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", TRUE)) {
379      BEGIN_NV04(push, NV50_3D(WATCHDOG_TIMER), 1);
380      PUSH_DATA (push, 0x18);
381   }
382
383   BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
384   PUSH_DATA (push, 1);
385
386   BEGIN_NV04(push, NV50_3D(CSAA_ENABLE), 1);
387   PUSH_DATA (push, 0);
388   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
389   PUSH_DATA (push, 0);
390   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
391   PUSH_DATA (push, NV50_3D_MULTISAMPLE_MODE_MS1);
392   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_CTRL), 1);
393   PUSH_DATA (push, 0);
394   BEGIN_NV04(push, NV50_3D(LINE_LAST_PIXEL), 1);
395   PUSH_DATA (push, 0);
396   BEGIN_NV04(push, NV50_3D(BLEND_SEPARATE_ALPHA), 1);
397   PUSH_DATA (push, 1);
398
399   if (screen->tesla->oclass >= NVA0_3D_CLASS) {
400      BEGIN_NV04(push, SUBC_3D(NVA0_3D_TEX_MISC), 1);
401      PUSH_DATA (push, NVA0_3D_TEX_MISC_SEAMLESS_CUBE_MAP);
402   }
403
404   BEGIN_NV04(push, NV50_3D(SCREEN_Y_CONTROL), 1);
405   PUSH_DATA (push, 0);
406   BEGIN_NV04(push, NV50_3D(WINDOW_OFFSET_X), 2);
407   PUSH_DATA (push, 0);
408   PUSH_DATA (push, 0);
409   BEGIN_NV04(push, NV50_3D(ZCULL_REGION), 1);
410   PUSH_DATA (push, 0x3f);
411
412   BEGIN_NV04(push, NV50_3D(VP_ADDRESS_HIGH), 2);
413   PUSH_DATAh(push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
414   PUSH_DATA (push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
415
416   BEGIN_NV04(push, NV50_3D(FP_ADDRESS_HIGH), 2);
417   PUSH_DATAh(push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
418   PUSH_DATA (push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
419
420   BEGIN_NV04(push, NV50_3D(GP_ADDRESS_HIGH), 2);
421   PUSH_DATAh(push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
422   PUSH_DATA (push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
423
424   BEGIN_NV04(push, NV50_3D(LOCAL_ADDRESS_HIGH), 3);
425   PUSH_DATAh(push, screen->tls_bo->offset);
426   PUSH_DATA (push, screen->tls_bo->offset);
427   PUSH_DATA (push, util_logbase2(screen->cur_tls_space / 8));
428
429   BEGIN_NV04(push, NV50_3D(STACK_ADDRESS_HIGH), 3);
430   PUSH_DATAh(push, screen->stack_bo->offset);
431   PUSH_DATA (push, screen->stack_bo->offset);
432   PUSH_DATA (push, 4);
433
434   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
435   PUSH_DATAh(push, screen->uniforms->offset + (0 << 16));
436   PUSH_DATA (push, screen->uniforms->offset + (0 << 16));
437   PUSH_DATA (push, (NV50_CB_PVP << 16) | 0x0000);
438
439   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
440   PUSH_DATAh(push, screen->uniforms->offset + (1 << 16));
441   PUSH_DATA (push, screen->uniforms->offset + (1 << 16));
442   PUSH_DATA (push, (NV50_CB_PGP << 16) | 0x0000);
443
444   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
445   PUSH_DATAh(push, screen->uniforms->offset + (2 << 16));
446   PUSH_DATA (push, screen->uniforms->offset + (2 << 16));
447   PUSH_DATA (push, (NV50_CB_PFP << 16) | 0x0000);
448
449   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
450   PUSH_DATAh(push, screen->uniforms->offset + (3 << 16));
451   PUSH_DATA (push, screen->uniforms->offset + (3 << 16));
452   PUSH_DATA (push, (NV50_CB_AUX << 16) | 0x0200);
453
454   BEGIN_NI04(push, NV50_3D(SET_PROGRAM_CB), 3);
455   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf01);
456   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf21);
457   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf31);
458
459   /* return { 0.0, 0.0, 0.0, 0.0 } on out-of-bounds vtxbuf access */
460   BEGIN_NV04(push, NV50_3D(CB_ADDR), 1);
461   PUSH_DATA (push, ((1 << 9) << 6) | NV50_CB_AUX);
462   BEGIN_NI04(push, NV50_3D(CB_DATA(0)), 4);
463   PUSH_DATAf(push, 0.0f);
464   PUSH_DATAf(push, 0.0f);
465   PUSH_DATAf(push, 0.0f);
466   PUSH_DATAf(push, 0.0f);
467   BEGIN_NV04(push, NV50_3D(VERTEX_RUNOUT_ADDRESS_HIGH), 2);
468   PUSH_DATAh(push, screen->uniforms->offset + (3 << 16) + (1 << 9));
469   PUSH_DATA (push, screen->uniforms->offset + (3 << 16) + (1 << 9));
470
471   /* max TIC (bits 4:8) & TSC bindings, per program type */
472   for (i = 0; i < 3; ++i) {
473      BEGIN_NV04(push, NV50_3D(TEX_LIMITS(i)), 1);
474      PUSH_DATA (push, 0x54);
475   }
476
477   BEGIN_NV04(push, NV50_3D(TIC_ADDRESS_HIGH), 3);
478   PUSH_DATAh(push, screen->txc->offset);
479   PUSH_DATA (push, screen->txc->offset);
480   PUSH_DATA (push, NV50_TIC_MAX_ENTRIES - 1);
481
482   BEGIN_NV04(push, NV50_3D(TSC_ADDRESS_HIGH), 3);
483   PUSH_DATAh(push, screen->txc->offset + 65536);
484   PUSH_DATA (push, screen->txc->offset + 65536);
485   PUSH_DATA (push, NV50_TSC_MAX_ENTRIES - 1);
486
487   BEGIN_NV04(push, NV50_3D(LINKED_TSC), 1);
488   PUSH_DATA (push, 0);
489
490   BEGIN_NV04(push, NV50_3D(CLIP_RECTS_EN), 1);
491   PUSH_DATA (push, 0);
492   BEGIN_NV04(push, NV50_3D(CLIP_RECTS_MODE), 1);
493   PUSH_DATA (push, NV50_3D_CLIP_RECTS_MODE_INSIDE_ANY);
494   BEGIN_NV04(push, NV50_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
495   for (i = 0; i < 8 * 2; ++i)
496      PUSH_DATA(push, 0);
497   BEGIN_NV04(push, NV50_3D(CLIPID_ENABLE), 1);
498   PUSH_DATA (push, 0);
499
500   BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
501   PUSH_DATA (push, 1);
502   BEGIN_NV04(push, NV50_3D(DEPTH_RANGE_NEAR(0)), 2);
503   PUSH_DATAf(push, 0.0f);
504   PUSH_DATAf(push, 1.0f);
505
506   BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
507#ifdef NV50_SCISSORS_CLIPPING
508   PUSH_DATA (push, 0x0000);
509#else
510   PUSH_DATA (push, 0x1080);
511#endif
512
513   BEGIN_NV04(push, NV50_3D(CLEAR_FLAGS), 1);
514   PUSH_DATA (push, NV50_3D_CLEAR_FLAGS_CLEAR_RECT_VIEWPORT);
515
516   /* We use scissors instead of exact view volume clipping,
517    * so they're always enabled.
518    */
519   BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(0)), 3);
520   PUSH_DATA (push, 1);
521   PUSH_DATA (push, 8192 << 16);
522   PUSH_DATA (push, 8192 << 16);
523
524   BEGIN_NV04(push, NV50_3D(RASTERIZE_ENABLE), 1);
525   PUSH_DATA (push, 1);
526   BEGIN_NV04(push, NV50_3D(POINT_RASTER_RULES), 1);
527   PUSH_DATA (push, NV50_3D_POINT_RASTER_RULES_OGL);
528   BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
529   PUSH_DATA (push, 0x11111111);
530   BEGIN_NV04(push, NV50_3D(EDGEFLAG), 1);
531   PUSH_DATA (push, 1);
532
533   PUSH_KICK (push);
534}
535
536static int nv50_tls_alloc(struct nv50_screen *screen, unsigned tls_space,
537      uint64_t *tls_size)
538{
539   struct nouveau_device *dev = screen->base.device;
540   int ret;
541
542   screen->cur_tls_space = util_next_power_of_two(tls_space / ONE_TEMP_SIZE) *
543         ONE_TEMP_SIZE;
544   if (nouveau_mesa_debug)
545      debug_printf("allocating space for %u temps\n",
546            util_next_power_of_two(tls_space / ONE_TEMP_SIZE));
547   *tls_size = screen->cur_tls_space * util_next_power_of_two(screen->TPs) *
548         screen->MPsInTP * LOCAL_WARPS_ALLOC * THREADS_IN_WARP;
549
550   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16,
551                        *tls_size, NULL, &screen->tls_bo);
552   if (ret) {
553      NOUVEAU_ERR("Failed to allocate local bo: %d\n", ret);
554      return ret;
555   }
556
557   return 0;
558}
559
560int nv50_tls_realloc(struct nv50_screen *screen, unsigned tls_space)
561{
562   struct nouveau_pushbuf *push = screen->base.pushbuf;
563   int ret;
564   uint64_t tls_size;
565
566   if (tls_space < screen->cur_tls_space)
567      return 0;
568   if (tls_space > screen->max_tls_space) {
569      /* fixable by limiting number of warps (LOCAL_WARPS_LOG_ALLOC /
570       * LOCAL_WARPS_NO_CLAMP) */
571      NOUVEAU_ERR("Unsupported number of temporaries (%u > %u). Fixable if someone cares.\n",
572            (unsigned)(tls_space / ONE_TEMP_SIZE),
573            (unsigned)(screen->max_tls_space / ONE_TEMP_SIZE));
574      return -ENOMEM;
575   }
576
577   nouveau_bo_ref(NULL, &screen->tls_bo);
578   ret = nv50_tls_alloc(screen, tls_space, &tls_size);
579   if (ret)
580      return ret;
581
582   BEGIN_NV04(push, NV50_3D(LOCAL_ADDRESS_HIGH), 3);
583   PUSH_DATAh(push, screen->tls_bo->offset);
584   PUSH_DATA (push, screen->tls_bo->offset);
585   PUSH_DATA (push, util_logbase2(screen->cur_tls_space / 8));
586
587   return 1;
588}
589
590struct pipe_screen *
591nv50_screen_create(struct nouveau_device *dev)
592{
593   struct nv50_screen *screen;
594   struct pipe_screen *pscreen;
595   struct nouveau_object *chan;
596   uint64_t value;
597   uint32_t tesla_class;
598   unsigned stack_size;
599   int ret;
600
601   screen = CALLOC_STRUCT(nv50_screen);
602   if (!screen)
603      return NULL;
604   pscreen = &screen->base.base;
605
606   ret = nouveau_screen_init(&screen->base, dev);
607   if (ret) {
608      NOUVEAU_ERR("nouveau_screen_init failed: %d\n", ret);
609      goto fail;
610   }
611
612   /* TODO: Prevent FIFO prefetch before transfer of index buffers and
613    *  admit them to VRAM.
614    */
615   screen->base.vidmem_bindings |= PIPE_BIND_CONSTANT_BUFFER |
616      PIPE_BIND_VERTEX_BUFFER;
617   screen->base.sysmem_bindings |=
618      PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER;
619
620   screen->base.pushbuf->user_priv = screen;
621   screen->base.pushbuf->rsvd_kick = 5;
622
623   chan = screen->base.channel;
624
625   pscreen->destroy = nv50_screen_destroy;
626   pscreen->context_create = nv50_create;
627   pscreen->is_format_supported = nv50_screen_is_format_supported;
628   pscreen->get_param = nv50_screen_get_param;
629   pscreen->get_shader_param = nv50_screen_get_shader_param;
630   pscreen->get_paramf = nv50_screen_get_paramf;
631
632   nv50_screen_init_resource_functions(pscreen);
633
634   nouveau_screen_init_vdec(&screen->base);
635
636   ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096,
637                        NULL, &screen->fence.bo);
638   if (ret) {
639      NOUVEAU_ERR("Failed to allocate fence bo: %d\n", ret);
640      goto fail;
641   }
642
643   nouveau_bo_map(screen->fence.bo, 0, NULL);
644   screen->fence.map = screen->fence.bo->map;
645   screen->base.fence.emit = nv50_screen_fence_emit;
646   screen->base.fence.update = nv50_screen_fence_update;
647
648   ret = nouveau_object_new(chan, 0xbeef0301, NOUVEAU_NOTIFIER_CLASS,
649                            &(struct nv04_notify){ .length = 32 },
650                            sizeof(struct nv04_notify), &screen->sync);
651   if (ret) {
652      NOUVEAU_ERR("Failed to allocate notifier: %d\n", ret);
653      goto fail;
654   }
655
656   ret = nouveau_object_new(chan, 0xbeef5039, NV50_M2MF_CLASS,
657                            NULL, 0, &screen->m2mf);
658   if (ret) {
659      NOUVEAU_ERR("Failed to allocate PGRAPH context for M2MF: %d\n", ret);
660      goto fail;
661   }
662
663   ret = nouveau_object_new(chan, 0xbeef502d, NV50_2D_CLASS,
664                            NULL, 0, &screen->eng2d);
665   if (ret) {
666      NOUVEAU_ERR("Failed to allocate PGRAPH context for 2D: %d\n", ret);
667      goto fail;
668   }
669
670   switch (dev->chipset & 0xf0) {
671   case 0x50:
672      tesla_class = NV50_3D_CLASS;
673      break;
674   case 0x80:
675   case 0x90:
676      tesla_class = NV84_3D_CLASS;
677      break;
678   case 0xa0:
679      switch (dev->chipset) {
680      case 0xa0:
681      case 0xaa:
682      case 0xac:
683         tesla_class = NVA0_3D_CLASS;
684         break;
685      case 0xaf:
686         tesla_class = NVAF_3D_CLASS;
687         break;
688      default:
689         tesla_class = NVA3_3D_CLASS;
690         break;
691      }
692      break;
693   default:
694      NOUVEAU_ERR("Not a known NV50 chipset: NV%02x\n", dev->chipset);
695      goto fail;
696   }
697   screen->base.class_3d = tesla_class;
698
699   ret = nouveau_object_new(chan, 0xbeef5097, tesla_class,
700                            NULL, 0, &screen->tesla);
701   if (ret) {
702      NOUVEAU_ERR("Failed to allocate PGRAPH context for 3D: %d\n", ret);
703      goto fail;
704   }
705
706   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16,
707                        3 << NV50_CODE_BO_SIZE_LOG2, NULL, &screen->code);
708   if (ret) {
709      NOUVEAU_ERR("Failed to allocate code bo: %d\n", ret);
710      goto fail;
711   }
712
713   nouveau_heap_init(&screen->vp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
714   nouveau_heap_init(&screen->gp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
715   nouveau_heap_init(&screen->fp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
716
717   nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
718
719   screen->TPs = util_bitcount(value & 0xffff);
720   screen->MPsInTP = util_bitcount((value >> 24) & 0xf);
721
722   stack_size = util_next_power_of_two(screen->TPs) * screen->MPsInTP *
723         STACK_WARPS_ALLOC * 64 * 8;
724
725   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, stack_size, NULL,
726                        &screen->stack_bo);
727   if (ret) {
728      NOUVEAU_ERR("Failed to allocate stack bo: %d\n", ret);
729      goto fail;
730   }
731
732   uint64_t size_of_one_temp = util_next_power_of_two(screen->TPs) *
733         screen->MPsInTP * LOCAL_WARPS_ALLOC *  THREADS_IN_WARP *
734         ONE_TEMP_SIZE;
735   screen->max_tls_space = dev->vram_size / size_of_one_temp * ONE_TEMP_SIZE;
736   screen->max_tls_space /= 2; /* half of vram */
737
738   /* hw can address max 64 KiB */
739   screen->max_tls_space = MIN2(screen->max_tls_space, 64 << 10);
740
741   uint64_t tls_size;
742   unsigned tls_space = 4/*temps*/ * ONE_TEMP_SIZE;
743   ret = nv50_tls_alloc(screen, tls_space, &tls_size);
744   if (ret)
745      goto fail;
746
747   if (nouveau_mesa_debug)
748      debug_printf("TPs = %u, MPsInTP = %u, VRAM = %"PRIu64" MiB, tls_size = %"PRIu64" KiB\n",
749            screen->TPs, screen->MPsInTP, dev->vram_size >> 20, tls_size >> 10);
750
751   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 4 << 16, NULL,
752                        &screen->uniforms);
753   if (ret) {
754      NOUVEAU_ERR("Failed to allocate uniforms bo: %d\n", ret);
755      goto fail;
756   }
757
758   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 3 << 16, NULL,
759                        &screen->txc);
760   if (ret) {
761      NOUVEAU_ERR("Failed to allocate TIC/TSC bo: %d\n", ret);
762      goto fail;
763   }
764
765   screen->tic.entries = CALLOC(4096, sizeof(void *));
766   screen->tsc.entries = screen->tic.entries + 2048;
767
768   if (!nv50_blitctx_create(screen))
769      goto fail;
770
771   nv50_screen_init_hwctx(screen);
772
773   nouveau_fence_new(&screen->base, &screen->base.fence.current, FALSE);
774
775   return pscreen;
776
777fail:
778   nv50_screen_destroy(pscreen);
779   return NULL;
780}
781
782int
783nv50_screen_tic_alloc(struct nv50_screen *screen, void *entry)
784{
785   int i = screen->tic.next;
786
787   while (screen->tic.lock[i / 32] & (1 << (i % 32)))
788      i = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
789
790   screen->tic.next = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
791
792   if (screen->tic.entries[i])
793      nv50_tic_entry(screen->tic.entries[i])->id = -1;
794
795   screen->tic.entries[i] = entry;
796   return i;
797}
798
799int
800nv50_screen_tsc_alloc(struct nv50_screen *screen, void *entry)
801{
802   int i = screen->tsc.next;
803
804   while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
805      i = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
806
807   screen->tsc.next = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
808
809   if (screen->tsc.entries[i])
810      nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
811
812   screen->tsc.entries[i] = entry;
813   return i;
814}
815