nv50_screen.c revision 02fac2930581b9bea9f6d221eb6d6b471fc3b9c6
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   const uint16_t class_3d = nouveau_screen(pscreen)->class_3d;
77
78   switch (param) {
79   case PIPE_CAP_MAX_COMBINED_SAMPLERS:
80      return 64;
81   case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
82      return 14;
83   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
84      return 12;
85   case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
86      return 14;
87   case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
88      return 512;
89   case PIPE_CAP_MIN_TEXEL_OFFSET:
90      return -8;
91   case PIPE_CAP_MAX_TEXEL_OFFSET:
92      return 7;
93   case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
94   case PIPE_CAP_TEXTURE_SWIZZLE:
95   case PIPE_CAP_TEXTURE_SHADOW_MAP:
96   case PIPE_CAP_NPOT_TEXTURES:
97   case PIPE_CAP_ANISOTROPIC_FILTER:
98   case PIPE_CAP_SCALED_RESOLVE:
99      return 1;
100   case PIPE_CAP_SEAMLESS_CUBE_MAP:
101      return nv50_screen(pscreen)->tesla->oclass >= NVA0_3D_CLASS;
102   case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
103      return 0;
104   case PIPE_CAP_TWO_SIDED_STENCIL:
105   case PIPE_CAP_DEPTH_CLIP_DISABLE:
106   case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
107   case PIPE_CAP_POINT_SPRITE:
108      return 1;
109   case PIPE_CAP_SM3:
110      return 1;
111   case PIPE_CAP_GLSL_FEATURE_LEVEL:
112      return 130;
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_TIMER_QUERY:
122   case PIPE_CAP_OCCLUSION_QUERY:
123      return 1;
124   case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
125      return 4;
126   case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
127   case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
128      return 64;
129   case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
130      return (class_3d >= NVA0_3D_CLASS) ? 1 : 0;
131   case PIPE_CAP_BLEND_EQUATION_SEPARATE:
132   case PIPE_CAP_INDEP_BLEND_ENABLE:
133      return 1;
134   case PIPE_CAP_INDEP_BLEND_FUNC:
135      return nv50_screen(pscreen)->tesla->oclass >= NVA3_3D_CLASS;
136   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
137   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
138      return 1;
139   case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
140   case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
141      return 0;
142   case PIPE_CAP_SHADER_STENCIL_EXPORT:
143      return 0;
144   case PIPE_CAP_PRIMITIVE_RESTART:
145   case PIPE_CAP_TGSI_INSTANCEID:
146   case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
147   case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
148   case PIPE_CAP_CONDITIONAL_RENDER:
149   case PIPE_CAP_TEXTURE_BARRIER:
150   case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
151      return 1;
152   case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
153   case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
154      return 0; /* state trackers will know better */
155   case PIPE_CAP_USER_VERTEX_BUFFERS:
156      return 1;
157   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
158   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
159   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
160      return 0;
161   default:
162      NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
163      return 0;
164   }
165}
166
167static int
168nv50_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
169                             enum pipe_shader_cap param)
170{
171   switch (shader) {
172   case PIPE_SHADER_VERTEX:
173   case PIPE_SHADER_GEOMETRY:
174   case PIPE_SHADER_FRAGMENT:
175      break;
176   default:
177      return 0;
178   }
179
180   switch (param) {
181   case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
182   case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
183   case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
184   case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
185      return 16384;
186   case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
187      return 4;
188   case PIPE_SHADER_CAP_MAX_INPUTS:
189      if (shader == PIPE_SHADER_VERTEX)
190         return 32;
191      return 0x300 / 16;
192   case PIPE_SHADER_CAP_MAX_CONSTS:
193      return 65536 / 16;
194   case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
195      return 14;
196   case PIPE_SHADER_CAP_MAX_ADDRS:
197      return 1;
198   case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
199   case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
200      return shader != PIPE_SHADER_FRAGMENT;
201   case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
202   case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
203      return 1;
204   case PIPE_SHADER_CAP_MAX_PREDS:
205      return 0;
206   case PIPE_SHADER_CAP_MAX_TEMPS:
207      return NV50_CAP_MAX_PROGRAM_TEMPS;
208   case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
209      return 1;
210   case PIPE_SHADER_CAP_SUBROUTINES:
211      return 0; /* please inline, or provide function declarations */
212   case PIPE_SHADER_CAP_INTEGERS:
213      return 1;
214   case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
215      return 32;
216   default:
217      NOUVEAU_ERR("unknown PIPE_SHADER_CAP %d\n", param);
218      return 0;
219   }
220}
221
222static float
223nv50_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
224{
225   switch (param) {
226   case PIPE_CAPF_MAX_LINE_WIDTH:
227   case PIPE_CAPF_MAX_LINE_WIDTH_AA:
228      return 10.0f;
229   case PIPE_CAPF_MAX_POINT_WIDTH:
230   case PIPE_CAPF_MAX_POINT_WIDTH_AA:
231      return 64.0f;
232   case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
233      return 16.0f;
234   case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
235      return 4.0f;
236   default:
237      NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
238      return 0.0f;
239   }
240}
241
242static void
243nv50_screen_destroy(struct pipe_screen *pscreen)
244{
245   struct nv50_screen *screen = nv50_screen(pscreen);
246
247   if (screen->base.fence.current) {
248      nouveau_fence_wait(screen->base.fence.current);
249      nouveau_fence_ref (NULL, &screen->base.fence.current);
250   }
251   if (screen->base.pushbuf)
252      screen->base.pushbuf->user_priv = NULL;
253
254   if (screen->blitctx)
255      FREE(screen->blitctx);
256
257   nouveau_bo_ref(NULL, &screen->code);
258   nouveau_bo_ref(NULL, &screen->tls_bo);
259   nouveau_bo_ref(NULL, &screen->stack_bo);
260   nouveau_bo_ref(NULL, &screen->txc);
261   nouveau_bo_ref(NULL, &screen->uniforms);
262   nouveau_bo_ref(NULL, &screen->fence.bo);
263
264   nouveau_heap_destroy(&screen->vp_code_heap);
265   nouveau_heap_destroy(&screen->gp_code_heap);
266   nouveau_heap_destroy(&screen->fp_code_heap);
267
268   if (screen->tic.entries)
269      FREE(screen->tic.entries);
270
271   nouveau_object_del(&screen->tesla);
272   nouveau_object_del(&screen->eng2d);
273   nouveau_object_del(&screen->m2mf);
274   nouveau_object_del(&screen->sync);
275
276   nouveau_screen_fini(&screen->base);
277
278   FREE(screen);
279}
280
281static void
282nv50_screen_fence_emit(struct pipe_screen *pscreen, u32 *sequence)
283{
284   struct nv50_screen *screen = nv50_screen(pscreen);
285   struct nouveau_pushbuf *push = screen->base.pushbuf;
286
287   /* we need to do it after possible flush in MARK_RING */
288   *sequence = ++screen->base.fence.sequence;
289
290   PUSH_DATA (push, NV50_FIFO_PKHDR(NV50_3D(QUERY_ADDRESS_HIGH), 4));
291   PUSH_DATAh(push, screen->fence.bo->offset);
292   PUSH_DATA (push, screen->fence.bo->offset);
293   PUSH_DATA (push, *sequence);
294   PUSH_DATA (push, NV50_3D_QUERY_GET_MODE_WRITE_UNK0 |
295                    NV50_3D_QUERY_GET_UNK4 |
296                    NV50_3D_QUERY_GET_UNIT_CROP |
297                    NV50_3D_QUERY_GET_TYPE_QUERY |
298                    NV50_3D_QUERY_GET_QUERY_SELECT_ZERO |
299                    NV50_3D_QUERY_GET_SHORT);
300}
301
302static u32
303nv50_screen_fence_update(struct pipe_screen *pscreen)
304{
305   return nv50_screen(pscreen)->fence.map[0];
306}
307
308static int
309nv50_screen_init_hwctx(struct nv50_screen *screen, unsigned tls_space)
310{
311   struct nouveau_pushbuf *push = screen->base.pushbuf;
312   struct nv04_fifo *fifo;
313   unsigned i;
314
315   fifo = (struct nv04_fifo *)screen->base.channel->data;
316
317   BEGIN_NV04(push, SUBC_M2MF(NV01_SUBCHAN_OBJECT), 1);
318   PUSH_DATA (push, screen->m2mf->handle);
319   BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_DMA_NOTIFY), 3);
320   PUSH_DATA (push, screen->sync->handle);
321   PUSH_DATA (push, fifo->vram);
322   PUSH_DATA (push, fifo->vram);
323
324   BEGIN_NV04(push, SUBC_2D(NV01_SUBCHAN_OBJECT), 1);
325   PUSH_DATA (push, screen->eng2d->handle);
326   BEGIN_NV04(push, NV50_2D(DMA_NOTIFY), 4);
327   PUSH_DATA (push, screen->sync->handle);
328   PUSH_DATA (push, fifo->vram);
329   PUSH_DATA (push, fifo->vram);
330   PUSH_DATA (push, fifo->vram);
331   BEGIN_NV04(push, NV50_2D(OPERATION), 1);
332   PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
333   BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
334   PUSH_DATA (push, 0);
335   BEGIN_NV04(push, NV50_2D(COLOR_KEY_ENABLE), 1);
336   PUSH_DATA (push, 0);
337   BEGIN_NV04(push, SUBC_2D(0x0888), 1);
338   PUSH_DATA (push, 1);
339
340   BEGIN_NV04(push, SUBC_3D(NV01_SUBCHAN_OBJECT), 1);
341   PUSH_DATA (push, screen->tesla->handle);
342
343   BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
344   PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
345
346   BEGIN_NV04(push, NV50_3D(DMA_NOTIFY), 1);
347   PUSH_DATA (push, screen->sync->handle);
348   BEGIN_NV04(push, NV50_3D(DMA_ZETA), 11);
349   for (i = 0; i < 11; ++i)
350      PUSH_DATA(push, fifo->vram);
351   BEGIN_NV04(push, NV50_3D(DMA_COLOR(0)), NV50_3D_DMA_COLOR__LEN);
352   for (i = 0; i < NV50_3D_DMA_COLOR__LEN; ++i)
353      PUSH_DATA(push, fifo->vram);
354
355   BEGIN_NV04(push, NV50_3D(REG_MODE), 1);
356   PUSH_DATA (push, NV50_3D_REG_MODE_STRIPED);
357   BEGIN_NV04(push, NV50_3D(UNK1400_LANES), 1);
358   PUSH_DATA (push, 0xf);
359
360   if (debug_get_bool_option("NOUVEAU_SHADER_WATCHDOG", TRUE)) {
361      BEGIN_NV04(push, NV50_3D(WATCHDOG_TIMER), 1);
362      PUSH_DATA (push, 0x18);
363   }
364
365   BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
366   PUSH_DATA (push, 1);
367
368   BEGIN_NV04(push, NV50_3D(CSAA_ENABLE), 1);
369   PUSH_DATA (push, 0);
370   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
371   PUSH_DATA (push, 0);
372   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
373   PUSH_DATA (push, NV50_3D_MULTISAMPLE_MODE_MS1);
374   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_CTRL), 1);
375   PUSH_DATA (push, 0);
376   BEGIN_NV04(push, NV50_3D(LINE_LAST_PIXEL), 1);
377   PUSH_DATA (push, 0);
378   BEGIN_NV04(push, NV50_3D(BLEND_SEPARATE_ALPHA), 1);
379   PUSH_DATA (push, 1);
380
381   if (screen->tesla->oclass >= NVA0_3D_CLASS) {
382      BEGIN_NV04(push, SUBC_3D(NVA0_3D_TEX_MISC), 1);
383      PUSH_DATA (push, NVA0_3D_TEX_MISC_SEAMLESS_CUBE_MAP);
384   }
385
386   BEGIN_NV04(push, NV50_3D(SCREEN_Y_CONTROL), 1);
387   PUSH_DATA (push, 0);
388   BEGIN_NV04(push, NV50_3D(WINDOW_OFFSET_X), 2);
389   PUSH_DATA (push, 0);
390   PUSH_DATA (push, 0);
391   BEGIN_NV04(push, NV50_3D(ZCULL_REGION), 1);
392   PUSH_DATA (push, 0x3f);
393
394   BEGIN_NV04(push, NV50_3D(VP_ADDRESS_HIGH), 2);
395   PUSH_DATAh(push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
396   PUSH_DATA (push, screen->code->offset + (0 << NV50_CODE_BO_SIZE_LOG2));
397
398   BEGIN_NV04(push, NV50_3D(FP_ADDRESS_HIGH), 2);
399   PUSH_DATAh(push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
400   PUSH_DATA (push, screen->code->offset + (1 << NV50_CODE_BO_SIZE_LOG2));
401
402   BEGIN_NV04(push, NV50_3D(GP_ADDRESS_HIGH), 2);
403   PUSH_DATAh(push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
404   PUSH_DATA (push, screen->code->offset + (2 << NV50_CODE_BO_SIZE_LOG2));
405
406   BEGIN_NV04(push, NV50_3D(LOCAL_ADDRESS_HIGH), 3);
407   PUSH_DATAh(push, screen->tls_bo->offset);
408   PUSH_DATA (push, screen->tls_bo->offset);
409   PUSH_DATA (push, util_logbase2(tls_space / 8));
410
411   BEGIN_NV04(push, NV50_3D(STACK_ADDRESS_HIGH), 3);
412   PUSH_DATAh(push, screen->stack_bo->offset);
413   PUSH_DATA (push, screen->stack_bo->offset);
414   PUSH_DATA (push, 4);
415
416   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
417   PUSH_DATAh(push, screen->uniforms->offset + (0 << 16));
418   PUSH_DATA (push, screen->uniforms->offset + (0 << 16));
419   PUSH_DATA (push, (NV50_CB_PVP << 16) | 0x0000);
420
421   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
422   PUSH_DATAh(push, screen->uniforms->offset + (1 << 16));
423   PUSH_DATA (push, screen->uniforms->offset + (1 << 16));
424   PUSH_DATA (push, (NV50_CB_PGP << 16) | 0x0000);
425
426   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
427   PUSH_DATAh(push, screen->uniforms->offset + (2 << 16));
428   PUSH_DATA (push, screen->uniforms->offset + (2 << 16));
429   PUSH_DATA (push, (NV50_CB_PFP << 16) | 0x0000);
430
431   BEGIN_NV04(push, NV50_3D(CB_DEF_ADDRESS_HIGH), 3);
432   PUSH_DATAh(push, screen->uniforms->offset + (3 << 16));
433   PUSH_DATA (push, screen->uniforms->offset + (3 << 16));
434   PUSH_DATA (push, (NV50_CB_AUX << 16) | 0x0200);
435
436   BEGIN_NI04(push, NV50_3D(SET_PROGRAM_CB), 6);
437   PUSH_DATA (push, (NV50_CB_PVP << 12) | 0x001);
438   PUSH_DATA (push, (NV50_CB_PGP << 12) | 0x021);
439   PUSH_DATA (push, (NV50_CB_PFP << 12) | 0x031);
440   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf01);
441   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf21);
442   PUSH_DATA (push, (NV50_CB_AUX << 12) | 0xf31);
443
444   /* max TIC (bits 4:8) & TSC bindings, per program type */
445   for (i = 0; i < 3; ++i) {
446      BEGIN_NV04(push, NV50_3D(TEX_LIMITS(i)), 1);
447      PUSH_DATA (push, 0x54);
448   }
449
450   BEGIN_NV04(push, NV50_3D(TIC_ADDRESS_HIGH), 3);
451   PUSH_DATAh(push, screen->txc->offset);
452   PUSH_DATA (push, screen->txc->offset);
453   PUSH_DATA (push, NV50_TIC_MAX_ENTRIES - 1);
454
455   BEGIN_NV04(push, NV50_3D(TSC_ADDRESS_HIGH), 3);
456   PUSH_DATAh(push, screen->txc->offset + 65536);
457   PUSH_DATA (push, screen->txc->offset + 65536);
458   PUSH_DATA (push, NV50_TSC_MAX_ENTRIES - 1);
459
460   BEGIN_NV04(push, NV50_3D(LINKED_TSC), 1);
461   PUSH_DATA (push, 0);
462
463   BEGIN_NV04(push, NV50_3D(CLIP_RECTS_EN), 1);
464   PUSH_DATA (push, 0);
465   BEGIN_NV04(push, NV50_3D(CLIP_RECTS_MODE), 1);
466   PUSH_DATA (push, NV50_3D_CLIP_RECTS_MODE_INSIDE_ANY);
467   BEGIN_NV04(push, NV50_3D(CLIP_RECT_HORIZ(0)), 8 * 2);
468   for (i = 0; i < 8 * 2; ++i)
469      PUSH_DATA(push, 0);
470   BEGIN_NV04(push, NV50_3D(CLIPID_ENABLE), 1);
471   PUSH_DATA (push, 0);
472
473   BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
474   PUSH_DATA (push, 1);
475   BEGIN_NV04(push, NV50_3D(DEPTH_RANGE_NEAR(0)), 2);
476   PUSH_DATAf(push, 0.0f);
477   PUSH_DATAf(push, 1.0f);
478
479   BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
480#ifdef NV50_SCISSORS_CLIPPING
481   PUSH_DATA (push, 0x0000);
482#else
483   PUSH_DATA (push, 0x1080);
484#endif
485
486   BEGIN_NV04(push, NV50_3D(CLEAR_FLAGS), 1);
487   PUSH_DATA (push, NV50_3D_CLEAR_FLAGS_CLEAR_RECT_VIEWPORT);
488
489   /* We use scissors instead of exact view volume clipping,
490    * so they're always enabled.
491    */
492   BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(0)), 3);
493   PUSH_DATA (push, 1);
494   PUSH_DATA (push, 8192 << 16);
495   PUSH_DATA (push, 8192 << 16);
496
497   BEGIN_NV04(push, NV50_3D(RASTERIZE_ENABLE), 1);
498   PUSH_DATA (push, 1);
499   BEGIN_NV04(push, NV50_3D(POINT_RASTER_RULES), 1);
500   PUSH_DATA (push, NV50_3D_POINT_RASTER_RULES_OGL);
501   BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
502   PUSH_DATA (push, 0x11111111);
503   BEGIN_NV04(push, NV50_3D(EDGEFLAG), 1);
504   PUSH_DATA (push, 1);
505
506   PUSH_KICK (push);
507
508   return 0;
509}
510
511#define FAIL_SCREEN_INIT(str, err)                    \
512   do {                                               \
513      NOUVEAU_ERR(str, err);                          \
514      nv50_screen_destroy(pscreen);                   \
515      return NULL;                                    \
516   } while(0)
517
518struct pipe_screen *
519nv50_screen_create(struct nouveau_device *dev)
520{
521   struct nv50_screen *screen;
522   struct pipe_screen *pscreen;
523   struct nouveau_object *chan;
524   uint64_t value;
525   uint32_t tesla_class;
526   unsigned stack_size, max_warps, tls_space;
527   int ret;
528
529   screen = CALLOC_STRUCT(nv50_screen);
530   if (!screen)
531      return NULL;
532   pscreen = &screen->base.base;
533
534   screen->base.sysmem_bindings = PIPE_BIND_CONSTANT_BUFFER;
535
536   ret = nouveau_screen_init(&screen->base, dev);
537   if (ret)
538      FAIL_SCREEN_INIT("nouveau_screen_init failed: %d\n", ret);
539
540   screen->base.pushbuf->user_priv = screen;
541   screen->base.pushbuf->rsvd_kick = 5;
542
543   chan = screen->base.channel;
544
545   pscreen->destroy = nv50_screen_destroy;
546   pscreen->context_create = nv50_create;
547   pscreen->is_format_supported = nv50_screen_is_format_supported;
548   pscreen->get_param = nv50_screen_get_param;
549   pscreen->get_shader_param = nv50_screen_get_shader_param;
550   pscreen->get_paramf = nv50_screen_get_paramf;
551
552   nv50_screen_init_resource_functions(pscreen);
553
554   nouveau_screen_init_vdec(&screen->base);
555
556   ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0, 4096,
557                        NULL, &screen->fence.bo);
558   if (ret)
559      goto fail;
560   nouveau_bo_map(screen->fence.bo, 0, NULL);
561   screen->fence.map = screen->fence.bo->map;
562   screen->base.fence.emit = nv50_screen_fence_emit;
563   screen->base.fence.update = nv50_screen_fence_update;
564
565   ret = nouveau_object_new(chan, 0xbeef0301, NOUVEAU_NOTIFIER_CLASS,
566                            &(struct nv04_notify){ .length = 32 },
567                            sizeof(struct nv04_notify), &screen->sync);
568   if (ret)
569      FAIL_SCREEN_INIT("Error allocating notifier: %d\n", ret);
570
571
572   ret = nouveau_object_new(chan, 0xbeef5039, NV50_M2MF_CLASS,
573                            NULL, 0, &screen->m2mf);
574   if (ret)
575      FAIL_SCREEN_INIT("Error allocating PGRAPH context for M2MF: %d\n", ret);
576
577
578   ret = nouveau_object_new(chan, 0xbeef502d, NV50_2D_CLASS,
579                            NULL, 0, &screen->eng2d);
580   if (ret)
581      FAIL_SCREEN_INIT("Error allocating PGRAPH context for 2D: %d\n", ret);
582
583   switch (dev->chipset & 0xf0) {
584   case 0x50:
585      tesla_class = NV50_3D_CLASS;
586      break;
587   case 0x80:
588   case 0x90:
589      tesla_class = NV84_3D_CLASS;
590      break;
591   case 0xa0:
592      switch (dev->chipset) {
593      case 0xa0:
594      case 0xaa:
595      case 0xac:
596         tesla_class = NVA0_3D_CLASS;
597         break;
598      case 0xaf:
599         tesla_class = NVAF_3D_CLASS;
600         break;
601      default:
602         tesla_class = NVA3_3D_CLASS;
603         break;
604      }
605      break;
606   default:
607      FAIL_SCREEN_INIT("Not a known NV50 chipset: NV%02x\n", dev->chipset);
608      break;
609   }
610   screen->base.class_3d = tesla_class;
611
612   ret = nouveau_object_new(chan, 0xbeef5097, tesla_class,
613                            NULL, 0, &screen->tesla);
614   if (ret)
615      FAIL_SCREEN_INIT("Error allocating PGRAPH context for 3D: %d\n", ret);
616
617
618   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16,
619                        3 << NV50_CODE_BO_SIZE_LOG2, NULL, &screen->code);
620   if (ret)
621      goto fail;
622
623   nouveau_heap_init(&screen->vp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
624   nouveau_heap_init(&screen->gp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
625   nouveau_heap_init(&screen->fp_code_heap, 0, 1 << NV50_CODE_BO_SIZE_LOG2);
626
627   nouveau_getparam(dev, NOUVEAU_GETPARAM_GRAPH_UNITS, &value);
628
629   max_warps  = util_bitcount(value & 0xffff);
630   max_warps *= util_bitcount((value >> 24) & 0xf) * 32;
631
632   stack_size = max_warps * 64 * 8;
633
634   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, stack_size, NULL,
635                        &screen->stack_bo);
636   if (ret)
637      FAIL_SCREEN_INIT("Failed to allocate stack bo: %d\n", ret);
638
639   tls_space = NV50_CAP_MAX_PROGRAM_TEMPS * 16;
640
641   screen->tls_size = tls_space * max_warps * 32;
642
643   if (nouveau_mesa_debug)
644      debug_printf("max_warps = %i, tls_size = %"PRIu64" KiB\n",
645                     max_warps, screen->tls_size >> 10);
646
647   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, screen->tls_size, NULL,
648                        &screen->tls_bo);
649   if (ret)
650      FAIL_SCREEN_INIT("Failed to allocate stack bo: %d\n", ret);
651
652
653   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 4 << 16, NULL,
654                        &screen->uniforms);
655   if (ret)
656      goto fail;
657
658   ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 1 << 16, 3 << 16, NULL,
659                        &screen->txc);
660   if (ret)
661      FAIL_SCREEN_INIT("Could not allocate TIC/TSC bo: %d\n", ret);
662
663   screen->tic.entries = CALLOC(4096, sizeof(void *));
664   screen->tsc.entries = screen->tic.entries + 2048;
665
666
667   if (!nv50_blitctx_create(screen))
668      goto fail;
669
670   if (nv50_screen_init_hwctx(screen, tls_space))
671      goto fail;
672
673   nouveau_fence_new(&screen->base, &screen->base.fence.current, FALSE);
674
675   return pscreen;
676
677fail:
678   nv50_screen_destroy(pscreen);
679   return NULL;
680}
681
682int
683nv50_screen_tic_alloc(struct nv50_screen *screen, void *entry)
684{
685   int i = screen->tic.next;
686
687   while (screen->tic.lock[i / 32] & (1 << (i % 32)))
688      i = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
689
690   screen->tic.next = (i + 1) & (NV50_TIC_MAX_ENTRIES - 1);
691
692   if (screen->tic.entries[i])
693      nv50_tic_entry(screen->tic.entries[i])->id = -1;
694
695   screen->tic.entries[i] = entry;
696   return i;
697}
698
699int
700nv50_screen_tsc_alloc(struct nv50_screen *screen, void *entry)
701{
702   int i = screen->tsc.next;
703
704   while (screen->tsc.lock[i / 32] & (1 << (i % 32)))
705      i = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
706
707   screen->tsc.next = (i + 1) & (NV50_TSC_MAX_ENTRIES - 1);
708
709   if (screen->tsc.entries[i])
710      nv50_tsc_entry(screen->tsc.entries[i])->id = -1;
711
712   screen->tsc.entries[i] = entry;
713   return i;
714}
715