nv50_screen.c revision 587c221a29fe01e24c69952a7a9b0034f7652e4e
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
32#ifndef NOUVEAU_GETPARAM_GRAPH_UNITS
33# define NOUVEAU_GETPARAM_GRAPH_UNITS 13
34#endif
35
36static boolean
37nv50_screen_is_format_supported(struct pipe_screen *pscreen,
38                                enum pipe_format format,
39                                enum pipe_texture_target target,
40                                unsigned sample_count,
41                                unsigned bindings)
42{
43   if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
44      return FALSE;
45   if (sample_count == 8 && util_format_get_blocksizebits(format) >= 128)
46      return FALSE;
47
48   if (!util_format_is_supported(format, bindings))
49      return FALSE;
50
51   switch (format) {
52   case PIPE_FORMAT_Z16_UNORM:
53      if (nv50_screen(pscreen)->tesla->oclass < NVA0_3D_CLASS)
54         return FALSE;
55      break;
56   case PIPE_FORMAT_R8G8B8A8_UNORM:
57   case PIPE_FORMAT_R8G8B8X8_UNORM:
58      /* HACK: GL requires equal formats for MS resolve and window is BGRA */
59      if (bindings & PIPE_BIND_RENDER_TARGET)
60         return FALSE;
61   default:
62      break;
63   }
64
65   /* transfers & shared are always supported */
66   bindings &= ~(PIPE_BIND_TRANSFER_READ |
67                 PIPE_BIND_TRANSFER_WRITE |
68                 PIPE_BIND_SHARED);
69
70   return (nv50_format_table[format].usage & bindings) == bindings;
71}
72
73static int
74nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
75{
76   switch (param) {
77   case PIPE_CAP_MAX_COMBINED_SAMPLERS:
78      return 64;
79   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
80      return 14;
81   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
82      return 12;
83   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
84      return 14;
85   case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: /* shader support missing */
86      return 0;
87   case PIPE_CAP_MIN_TEXEL_OFFSET:
88      return -8;
89   case PIPE_CAP_MAX_TEXEL_OFFSET:
90      return 7;
91   case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
92   case PIPE_CAP_TEXTURE_SWIZZLE:
93   case PIPE_CAP_TEXTURE_SHADOW_MAP:
94   case PIPE_CAP_NPOT_TEXTURES:
95   case PIPE_CAP_ANISOTROPIC_FILTER:
96   case PIPE_CAP_SCALED_RESOLVE:
97      return 1;
98   case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
99   case PIPE_CAP_SEAMLESS_CUBE_MAP:
100      return nv50_screen(pscreen)->tesla->oclass >= NVA0_3D_CLASS;
101   case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
102      return 0;
103   case PIPE_CAP_TWO_SIDED_STENCIL:
104   case PIPE_CAP_DEPTH_CLIP_DISABLE:
105   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
106   case PIPE_CAP_POINT_SPRITE:
107      return 1;
108   case PIPE_CAP_SM3:
109      return 1;
110   case PIPE_CAP_GLSL_FEATURE_LEVEL:
111      return 130;
112   case PIPE_CAP_MAX_RENDER_TARGETS:
113      return 8;
114   case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
115      return 1;
116   case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
117   case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
118   case PIPE_CAP_VERTEX_COLOR_CLAMPED:
119      return 1;
120   case PIPE_CAP_TIMER_QUERY:
121   case PIPE_CAP_OCCLUSION_QUERY:
122      return 1;
123   case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
124      return 0;
125   case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
126      return 128;
127   case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
128      return 32;
129   case PIPE_CAP_BLEND_EQUATION_SEPARATE:
130   case PIPE_CAP_INDEP_BLEND_ENABLE:
131      return 1;
132   case PIPE_CAP_INDEP_BLEND_FUNC:
133      return nv50_screen(pscreen)->tesla->oclass >= NVA3_3D_CLASS;
134   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
135   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
136      return 1;
137   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
138   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
139      return 0;
140   case PIPE_CAP_SHADER_STENCIL_EXPORT:
141      return 0;
142   case PIPE_CAP_PRIMITIVE_RESTART:
143   case PIPE_CAP_TGSI_INSTANCEID:
144   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
145   case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
146   case PIPE_CAP_CONDITIONAL_RENDER:
147   case PIPE_CAP_TEXTURE_BARRIER:
148   case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
149      return 1;
150   case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
151   case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
152      return 0; /* state trackers will know better */
153   case PIPE_CAP_USER_VERTEX_BUFFERS:
154      return 1;
155   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
156   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
157   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
158      return 0;
159   default:
160      NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
161      return 0;
162   }
163}
164
165static int
166nv50_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
167                             enum pipe_shader_cap param)
168{
169   switch (shader) {
170   case PIPE_SHADER_VERTEX:
171   case PIPE_SHADER_GEOMETRY:
172   case PIPE_SHADER_FRAGMENT:
173      break;
174   default:
175      return 0;
176   }
177
178   switch (param) {
179   case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
180   case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
181   case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
182   case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
183      return 16384;
184   case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
185      return 4;
186   case PIPE_SHADER_CAP_MAX_INPUTS:
187      if (shader == PIPE_SHADER_VERTEX)
188         return 32;
189      return 0x300 / 16;
190   case PIPE_SHADER_CAP_MAX_CONSTS:
191      return 65536 / 16;
192   case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
193      return 14;
194   case PIPE_SHADER_CAP_MAX_ADDRS:
195      return 1;
196   case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
197   case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
198      return shader != PIPE_SHADER_FRAGMENT;
199   case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
200   case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
201      return 1;
202   case PIPE_SHADER_CAP_MAX_PREDS:
203      return 0;
204   case PIPE_SHADER_CAP_MAX_TEMPS:
205      return NV50_CAP_MAX_PROGRAM_TEMPS;
206   case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
207      return 1;
208   case PIPE_SHADER_CAP_SUBROUTINES:
209      return 0; /* please inline, or provide function declarations */
210   case PIPE_SHADER_CAP_INTEGERS:
211      return 1;
212   case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
213      return 32;
214   default:
215      NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
216      return 0;
217   }
218}
219
220static float
221nv50_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
222{
223   switch (param) {
224   case PIPE_CAPF_MAX_LINE_WIDTH:
225   case PIPE_CAPF_MAX_LINE_WIDTH_AA:
226      return 10.0f;
227   case PIPE_CAPF_MAX_POINT_WIDTH:
228   case PIPE_CAPF_MAX_POINT_WIDTH_AA:
229      return 64.0f;
230   case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
231      return 16.0f;
232   case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
233      return 4.0f;
234   default:
235      NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
236      return 0.0f;
237   }
238}
239
240static void
241nv50_screen_destroy(struct pipe_screen *pscreen)
242{
243   struct nv50_screen *screen = nv50_screen(pscreen);
244
245   if (screen->base.fence.current) {
246      nouveau_fence_wait(screen->base.fence.current);
247      nouveau_fence_ref (NULL, &screen->base.fence.current);
248   }
249   if (screen->base.pushbuf)
250      screen->base.pushbuf->user_priv = NULL;
251
252   if (screen->blitctx)
253      FREE(screen->blitctx);
254
255   nouveau_bo_ref(NULL, &screen->code);
256   nouveau_bo_ref(NULL, &screen->tls_bo);
257   nouveau_bo_ref(NULL, &screen->stack_bo);
258   nouveau_bo_ref(NULL, &screen->txc);
259   nouveau_bo_ref(NULL, &screen->uniforms);
260   nouveau_bo_ref(NULL, &screen->fence.bo);
261
262   nouveau_heap_destroy(&screen->vp_code_heap);
263   nouveau_heap_destroy(&screen->gp_code_heap);
264   nouveau_heap_destroy(&screen->fp_code_heap);
265
266   if (screen->tic.entries)
267      FREE(screen->tic.entries);
268
269   nouveau_object_del(&screen->tesla);
270   nouveau_object_del(&screen->eng2d);
271   nouveau_object_del(&screen->m2mf);
272   nouveau_object_del(&screen->sync);
273
274   nouveau_screen_fini(&screen->base);
275
276   FREE(screen);
277}
278
279static void
280nv50_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
281{
282   struct nv50_screen *screen = nv50_screen(pscreen);
283   struct nouveau_pushbuf *push = screen->base.pushbuf;
284
285   /* we need to do it after possible flush in MARK_RING */
286   *sequence = ++screen->base.fence.sequence;
287
288   PUSH_DATA (push, NV50_FIFO_PKHDR(NV50_3D(QUERY_ADDRESS_HIGH), 4));
289   PUSH_DATAh(push, screen->fence.bo->offset);
290   PUSH_DATA (push, screen->fence.bo->offset);
291   PUSH_DATA (push, *sequence);
292   PUSH_DATA (push, NV50_3D_QUERY_GET_MODE_WRITE_UNK0 |
293                    NV50_3D_QUERY_GET_UNK4 |
294                    NV50_3D_QUERY_GET_UNIT_CROP |
295                    NV50_3D_QUERY_GET_TYPE_QUERY |
296                    NV50_3D_QUERY_GET_QUERY_SELECT_ZERO |
297                    NV50_3D_QUERY_GET_SHORT);
298}
299
300static u32
301nv50_screen_fence_update(struct pipe_screen *pscreen)
302{
303   return nv50_screen(pscreen)->fence.map[0];
304}
305
306static int
307nv50_screen_init_hwctx(struct nv50_screen *screen, unsigned tls_space)
308{
309   struct nouveau_pushbuf *push = screen->base.pushbuf;
310   struct nv04_fifo *fifo;
311   unsigned i;
312
313   fifo = (struct nv04_fifo *)screen->base.channel->data;
314
315   BEGIN_NV04(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
316   PUSH_DATA (push, screen->m2mf->handle);
317   BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_DMA_NOTIFY), 3);
318   PUSH_DATA (push, screen->sync->handle);
319   PUSH_DATA (push, fifo->vram);
320   PUSH_DATA (push, fifo->vram);
321
322   BEGIN_NV04(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
323   PUSH_DATA (push, screen->eng2d->handle);
324   BEGIN_NV04(push, NV50_2D(DMA_NOTIFY), 4);
325   PUSH_DATA (push, screen->sync->handle);
326   PUSH_DATA (push, fifo->vram);
327   PUSH_DATA (push, fifo->vram);
328   PUSH_DATA (push, fifo->vram);
329   BEGIN_NV04(push, NV50_2D(OPERATION), 1);
330   PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
331   BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
332   PUSH_DATA (push, 0);
333   BEGIN_NV04(push, NV50_2D(COLOR_KEY_ENABLE), 1);
334   PUSH_DATA (push, 0);
335   BEGIN_NV04(push, SUBC_2D(0x0888), 1);
336   PUSH_DATA (push, 1);
337
338   BEGIN_NV04(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
339   PUSH_DATA (push, screen->tesla->handle);
340
341   BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
342   PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
343
344   BEGIN_NV04(push, NV50_3D(DMA_NOTIFY), 1);
345   PUSH_DATA (push, screen->sync->handle);
346   BEGIN_NV04(push, NV50_3D(DMA_ZETA), 11);
347   for (i = 0; i < 11; ++i)
348      PUSH_DATA(push, fifo->vram);
349   BEGIN_NV04(push, NV50_3D(DMA_COLOR(0)), NV50_3D_DMA_COLOR__LEN);
350   for (i = 0; i < NV50_3D_DMA_COLOR__LEN; ++i)
351      PUSH_DATA(push, fifo->vram);
352
353   BEGIN_NV04(push, NV50_3D(REG_MODE), 1);
354   PUSH_DATA (push, NV50_3D_REG_MODE_STRIPED);
355   BEGIN_NV04(push, NV50_3D(UNK1400_LANES), 1);
356   PUSH_DATA (push, 0xf);
357
358   if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", TRUE)) {
359      BEGIN_NV04(push, NV50_3D(WATCHDOG_TIMER), 1);
360      PUSH_DATA (push, 0x18);
361   }
362
363   BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
364   PUSH_DATA (push, 1);
365
366   BEGIN_NV04(push, NV50_3D(CSAA_ENABLE), 1);
367   PUSH_DATA (push, 0);
368   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
369   PUSH_DATA (push, 0);
370   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
371   PUSH_DATA (push, NV50_3D_MULTISAMPLE_MODE_MS1);
372   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_CTRL), 1);
373   PUSH_DATA (push, 0);
374   BEGIN_NV04(push, NV50_3D(LINE_LAST_PIXEL), 1);
375   PUSH_DATA (push, 0);
376   BEGIN_NV04(push, NV50_3D(BLEND_SEPARATE_ALPHA), 1);
377   PUSH_DATA (push, 1);
378
379   if (screen->tesla->oclass >= NVA0_3D_CLASS) {
380      BEGIN_NV04(push, SUBC_3D(NVA0_3D_TEX_MISC), 1);
381      PUSH_DATA (push, NVA0_3D_TEX_MISC_SEAMLESS_CUBE_MAP);
382   }
383
384   BEGIN_NV04(push, NV50_3D(SCREEN_Y_CONTROL), 1);
385   PUSH_DATA (push, 0);
386   BEGIN_NV04(push, NV50_3D(WINDOW_OFFSET_X), 2);
387   PUSH_DATA (push, 0);
388   PUSH_DATA (push, 0);
389   BEGIN_NV04(push, NV50_3D(ZCULL_REGION), 1);
390   PUSH_DATA (push, 0x3f);
391
392   BEGIN_NV04(push, NV50_3D(VP_ADDRESS_HIGH), 2);
393   PUSH_DATAh(push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
394   PUSH_DATA (push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
395
396   BEGIN_NV04(push, NV50_3D(FP_ADDRESS_HIGH), 2);
397   PUSH_DATAh(push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
398   PUSH_DATA (push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
399
400   BEGIN_NV04(push, NV50_3D(GP_ADDRESS_HIGH), 2);
401   PUSH_DATAh(push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
402   PUSH_DATA (push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
403
404   BEGIN_NV04(push, NV50_3D(LOCAL_ADDRESS_HIGH), 3);
405   PUSH_DATAh(push, screen->tls_bo->offset);
406   PUSH_DATA (push, screen->tls_bo->offset);
407   PUSH_DATA (push, util_logbase2(tls_space / 8));
408
409   BEGIN_NV04(push, NV50_3D(STACK_ADDRESS_HIGH), 3);
410   PUSH_DATAh(push, screen->stack_bo->offset);
411   PUSH_DATA (push, screen->stack_bo->offset);
412   PUSH_DATA (push, 4);
413
414   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
415   PUSH_DATAh(push, screen->uniforms->offset + (0 << 16));
416   PUSH_DATA (push, screen->uniforms->offset + (0 << 16));
417   PUSH_DATA (push, (NV50_CB_PVP << 16) | 0x0000);
418
419   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
420   PUSH_DATAh(push, screen->uniforms->offset + (1 << 16));
421   PUSH_DATA (push, screen->uniforms->offset + (1 << 16));
422   PUSH_DATA (push, (NV50_CB_PGP << 16) | 0x0000);
423
424   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
425   PUSH_DATAh(push, screen->uniforms->offset + (2 << 16));
426   PUSH_DATA (push, screen->uniforms->offset + (2 << 16));
427   PUSH_DATA (push, (NV50_CB_PFP << 16) | 0x0000);
428
429   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
430   PUSH_DATAh(push, screen->uniforms->offset + (3 << 16));
431   PUSH_DATA (push, screen->uniforms->offset + (3 << 16));
432   PUSH_DATA (push, (NV50_CB_AUX << 16) | 0x0200);
433
434   BEGIN_NI04(push, NV50_3D(SET_PROGRAM_CB), 6);
435   PUSH_DATA (push, (NV50_CB_PVP << 12) | 0x001);
436   PUSH_DATA (push, (NV50_CB_PGP << 12) | 0x021);
437   PUSH_DATA (push, (NV50_CB_PFP << 12) | 0x031);
438   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf01);
439   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf21);
440   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf31);
441
442   /* max TIC (bits 4:8) & TSC bindings, per program type */
443   for (i = 0; i < 3; ++i) {
444      BEGIN_NV04(push, NV50_3D(TEX_LIMITS(i)), 1);
445      PUSH_DATA (push, 0x54);
446   }
447
448   BEGIN_NV04(push, NV50_3D(TIC_ADDRESS_HIGH), 3);
449   PUSH_DATAh(push, screen->txc->offset);
450   PUSH_DATA (push, screen->txc->offset);
451   PUSH_DATA (push, NV50_TIC_MAX_ENTRIES - 1);
452
453   BEGIN_NV04(push, NV50_3D(TSC_ADDRESS_HIGH), 3);
454   PUSH_DATAh(push, screen->txc->offset + 65536);
455   PUSH_DATA (push, screen->txc->offset + 65536);
456   PUSH_DATA (push, NV50_TSC_MAX_ENTRIES - 1);
457
458   BEGIN_NV04(push, NV50_3D(LINKED_TSC), 1);
459   PUSH_DATA (push, 0);
460
461   BEGIN_NV04(push, NV50_3D(CLIP_RECTS_EN), 1);
462   PUSH_DATA (push, 0);
463   BEGIN_NV04(push, NV50_3D(CLIP_RECTS_MODE), 1);
464   PUSH_DATA (push, NV50_3D_CLIP_RECTS_MODE_INSIDE_ANY);
465   BEGIN_NV04(push, NV50_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
466   for (i = 0; i < 8 * 2; ++i)
467      PUSH_DATA(push, 0);
468   BEGIN_NV04(push, NV50_3D(CLIPID_ENABLE), 1);
469   PUSH_DATA (push, 0);
470
471   BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
472   PUSH_DATA (push, 1);
473   BEGIN_NV04(push, NV50_3D(DEPTH_RANGE_NEAR(0)), 2);
474   PUSH_DATAf(push, 0.0f);
475   PUSH_DATAf(push, 1.0f);
476
477   BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
478#ifdef NV50_SCISSORS_CLIPPING
479   PUSH_DATA (push, 0x0000);
480#else
481   PUSH_DATA (push, 0x1080);
482#endif
483
484   BEGIN_NV04(push, NV50_3D(CLEAR_FLAGS), 1);
485   PUSH_DATA (push, NV50_3D_CLEAR_FLAGS_CLEAR_RECT_VIEWPORT);
486
487   /* We use scissors instead of exact view volume clipping,
488    * so they're always enabled.
489    */
490   BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(0)), 3);
491   PUSH_DATA (push, 1);
492   PUSH_DATA (push, 8192 << 16);
493   PUSH_DATA (push, 8192 << 16);
494
495   BEGIN_NV04(push, NV50_3D(RASTERIZE_ENABLE), 1);
496   PUSH_DATA (push, 1);
497   BEGIN_NV04(push, NV50_3D(POINT_RASTER_RULES), 1);
498   PUSH_DATA (push, NV50_3D_POINT_RASTER_RULES_OGL);
499   BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
500   PUSH_DATA (push, 0x11111111);
501   BEGIN_NV04(push, NV50_3D(EDGEFLAG), 1);
502   PUSH_DATA (push, 1);
503
504   PUSH_KICK (push);
505
506   return 0;
507}
508
509#define FAIL_SCREEN_INIT(str, err)                    \
510   do {                                               \
511      NOUVEAU_ERR(str, err);                          \
512      nv50_screen_destroy(pscreen);                   \
513      return NULL;                                    \
514   } while(0)
515
516struct pipe_screen *
517nv50_screen_create(struct nouveau_device *dev)
518{
519   struct nv50_screen *screen;
520   struct pipe_screen *pscreen;
521   struct nouveau_object *chan;
522   uint64_t value;
523   uint32_t tesla_class;
524   unsigned stack_size, max_warps, tls_space;
525   int ret;
526
527   screen = CALLOC_STRUCT(nv50_screen);
528   if (!screen)
529      return NULL;
530   pscreen = &screen->base.base;
531
532   screen->base.sysmem_bindings = PIPE_BIND_CONSTANT_BUFFER;
533
534   ret = nouveau_screen_init(&screen->base, dev);
535   if (ret)
536      FAIL_SCREEN_INIT("nouveau_screen_init failed: %d\n", ret);
537
538   screen->base.pushbuf->user_priv = screen;
539   screen->base.pushbuf->rsvd_kick = 5;
540
541   chan = screen->base.channel;
542
543   pscreen->destroy = nv50_screen_destroy;
544   pscreen->context_create = nv50_create;
545   pscreen->is_format_supported = nv50_screen_is_format_supported;
546   pscreen->get_param = nv50_screen_get_param;
547   pscreen->get_shader_param = nv50_screen_get_shader_param;
548   pscreen->get_paramf = nv50_screen_get_paramf;
549
550   nv50_screen_init_resource_functions(pscreen);
551
552   nouveau_screen_init_vdec(&screen->base);
553
554   ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096,
555                        NULL, &screen->fence.bo);
556   if (ret)
557      goto fail;
558   nouveau_bo_map(screen->fence.bo, 0, NULL);
559   screen->fence.map = screen->fence.bo->map;
560   screen->base.fence.emit = nv50_screen_fence_emit;
561   screen->base.fence.update = nv50_screen_fence_update;
562
563   ret = nouveau_object_new(chan, 0xbeef0301, NOUVEAU_NOTIFIER_CLASS,
564                            &(struct nv04_notify){ .length = 32 },
565                            sizeof(struct nv04_notify), &screen->sync);
566   if (ret)
567      FAIL_SCREEN_INIT("Error allocating notifier: %d\n", ret);
568
569
570   ret = nouveau_object_new(chan, 0xbeef5039, NV50_M2MF_CLASS,
571                            NULL, 0, &screen->m2mf);
572   if (ret)
573      FAIL_SCREEN_INIT("Error allocating PGRAPH context for M2MF: %d\n", ret);
574
575
576   ret = nouveau_object_new(chan, 0xbeef502d, NV50_2D_CLASS,
577                            NULL, 0, &screen->eng2d);
578   if (ret)
579      FAIL_SCREEN_INIT("Error allocating PGRAPH context for 2D: %d\n", ret);
580
581   switch (dev->chipset & 0xf0) {
582   case 0x50:
583      tesla_class = NV50_3D_CLASS;
584      break;
585   case 0x80:
586   case 0x90:
587      tesla_class = NV84_3D_CLASS;
588      break;
589   case 0xa0:
590      switch (dev->chipset) {
591      case 0xa0:
592      case 0xaa:
593      case 0xac:
594         tesla_class = NVA0_3D_CLASS;
595         break;
596      case 0xaf:
597         tesla_class = NVAF_3D_CLASS;
598         break;
599      default:
600         tesla_class = NVA3_3D_CLASS;
601         break;
602      }
603      break;
604   default:
605      FAIL_SCREEN_INIT("Not a known NV50 chipset: NV%02x\n", dev->chipset);
606      break;
607   }
608   screen->base.class_3d = tesla_class;
609
610   ret = nouveau_object_new(chan, 0xbeef5097, tesla_class,
611                            NULL, 0, &screen->tesla);
612   if (ret)
613      FAIL_SCREEN_INIT("Error allocating PGRAPH context for 3D: %d\n", ret);
614
615
616   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16,
617                        3 << NV50_CODE_BO_SIZE_LOG2, NULL, &screen->code);
618   if (ret)
619      goto fail;
620
621   nouveau_heap_init(&screen->vp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
622   nouveau_heap_init(&screen->gp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
623   nouveau_heap_init(&screen->fp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
624
625   nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
626
627   max_warps  = util_bitcount(value & 0xffff);
628   max_warps *= util_bitcount((value >> 24) & 0xf) * 32;
629
630   stack_size = max_warps * 64 * 8;
631
632   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, stack_size, NULL,
633                        &screen->stack_bo);
634   if (ret)
635      FAIL_SCREEN_INIT("Failed to allocate stack bo: %d\n", ret);
636
637   tls_space = NV50_CAP_MAX_PROGRAM_TEMPS * 16;
638
639   screen->tls_size = tls_space * max_warps * 32;
640
641   if (nouveau_mesa_debug)
642      debug_printf("max_warps = %i, tls_size = %"PRIu64" KiB\n",
643                     max_warps, screen->tls_size >> 10);
644
645   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, screen->tls_size, NULL,
646                        &screen->tls_bo);
647   if (ret)
648      FAIL_SCREEN_INIT("Failed to allocate stack bo: %d\n", ret);
649
650
651   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 4 << 16, NULL,
652                        &screen->uniforms);
653   if (ret)
654      goto fail;
655
656   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 3 << 16, NULL,
657                        &screen->txc);
658   if (ret)
659      FAIL_SCREEN_INIT("Could not allocate TIC/TSC bo: %d\n", ret);
660
661   screen->tic.entries = CALLOC(4096, sizeof(void *));
662   screen->tsc.entries = screen->tic.entries + 2048;
663
664
665   if (!nv50_blitctx_create(screen))
666      goto fail;
667
668   if (nv50_screen_init_hwctx(screen, tls_space))
669      goto fail;
670
671   nouveau_fence_new(&screen->base, &screen->base.fence.current, FALSE);
672
673   return pscreen;
674
675fail:
676   nv50_screen_destroy(pscreen);
677   return NULL;
678}
679
680int
681nv50_screen_tic_alloc(struct nv50_screen *screen, void *entry)
682{
683   int i = screen->tic.next;
684
685   while (screen->tic.lock[i / 32] & (1 << (i % 32)))
686      i = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
687
688   screen->tic.next = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
689
690   if (screen->tic.entries[i])
691      nv50_tic_entry(screen->tic.entries[i])->id = -1;
692
693   screen->tic.entries[i] = entry;
694   return i;
695}
696
697int
698nv50_screen_tsc_alloc(struct nv50_screen *screen, void *entry)
699{
700   int i = screen->tsc.next;
701
702   while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
703      i = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
704
705   screen->tsc.next = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
706
707   if (screen->tsc.entries[i])
708      nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
709
710   screen->tsc.entries[i] = entry;
711   return i;
712}
713