1/*
2 * Copyright 2008 Ben Skeggs
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 <stdint.h>
24
25#include "pipe/p_defines.h"
26
27#include "util/u_inlines.h"
28#include "util/u_pack_color.h"
29#include "util/u_format.h"
30#include "util/u_math.h"
31#include "util/u_surface.h"
32
33#include "tgsi/tgsi_ureg.h"
34
35#include "os/os_thread.h"
36
37#include "nv50/nv50_context.h"
38#include "nv50/nv50_resource.h"
39
40#include "nv50/g80_defs.xml.h"
41#include "nv50/g80_texture.xml.h"
42
43/* these are used in nv50_blit.h */
44#define NV50_ENG2D_SUPPORTED_FORMATS 0xff0843e080608409ULL
45#define NV50_ENG2D_NOCONVERT_FORMATS 0x0008402000000000ULL
46#define NV50_ENG2D_LUMINANCE_FORMATS 0x0008402000000000ULL
47#define NV50_ENG2D_INTENSITY_FORMATS 0x0000000000000000ULL
48#define NV50_ENG2D_OPERATION_FORMATS 0x060001c000608000ULL
49
50#define NOUVEAU_DRIVER 0x50
51#include "nv50/nv50_blit.h"
52
53static inline uint8_t
54nv50_2d_format(enum pipe_format format, bool dst, bool dst_src_equal)
55{
56   uint8_t id = nv50_format_table[format].rt;
57
58   /* Hardware values for color formats range from 0xc0 to 0xff,
59    * but the 2D engine doesn't support all of them.
60    */
61   if ((id >= 0xc0) && (NV50_ENG2D_SUPPORTED_FORMATS & (1ULL << (id - 0xc0))))
62      return id;
63   assert(dst_src_equal);
64
65   switch (util_format_get_blocksize(format)) {
66   case 1:
67      return G80_SURFACE_FORMAT_R8_UNORM;
68   case 2:
69      return G80_SURFACE_FORMAT_R16_UNORM;
70   case 4:
71      return G80_SURFACE_FORMAT_BGRA8_UNORM;
72   case 8:
73      return G80_SURFACE_FORMAT_RGBA16_FLOAT;
74   case 16:
75      return G80_SURFACE_FORMAT_RGBA32_FLOAT;
76   default:
77      return 0;
78   }
79}
80
81static int
82nv50_2d_texture_set(struct nouveau_pushbuf *push, int dst,
83                    struct nv50_miptree *mt, unsigned level, unsigned layer,
84                    enum pipe_format pformat, bool dst_src_pformat_equal)
85{
86   struct nouveau_bo *bo = mt->base.bo;
87   uint32_t width, height, depth;
88   uint32_t format;
89   uint32_t mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
90   uint32_t offset = mt->level[level].offset;
91
92   format = nv50_2d_format(pformat, dst, dst_src_pformat_equal);
93   if (!format) {
94      NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
95                  util_format_name(pformat));
96      return 1;
97   }
98
99   width = u_minify(mt->base.base.width0, level) << mt->ms_x;
100   height = u_minify(mt->base.base.height0, level) << mt->ms_y;
101   depth = u_minify(mt->base.base.depth0, level);
102
103   offset = mt->level[level].offset;
104   if (!mt->layout_3d) {
105      offset += mt->layer_stride * layer;
106      depth = 1;
107      layer = 0;
108   } else
109   if (!dst) {
110      offset += nv50_mt_zslice_offset(mt, level, layer);
111      layer = 0;
112   }
113
114   if (!nouveau_bo_memtype(bo)) {
115      BEGIN_NV04(push, SUBC_2D(mthd), 2);
116      PUSH_DATA (push, format);
117      PUSH_DATA (push, 1);
118      BEGIN_NV04(push, SUBC_2D(mthd + 0x14), 5);
119      PUSH_DATA (push, mt->level[level].pitch);
120      PUSH_DATA (push, width);
121      PUSH_DATA (push, height);
122      PUSH_DATAh(push, mt->base.address + offset);
123      PUSH_DATA (push, mt->base.address + offset);
124   } else {
125      BEGIN_NV04(push, SUBC_2D(mthd), 5);
126      PUSH_DATA (push, format);
127      PUSH_DATA (push, 0);
128      PUSH_DATA (push, mt->level[level].tile_mode);
129      PUSH_DATA (push, depth);
130      PUSH_DATA (push, layer);
131      BEGIN_NV04(push, SUBC_2D(mthd + 0x18), 4);
132      PUSH_DATA (push, width);
133      PUSH_DATA (push, height);
134      PUSH_DATAh(push, mt->base.address + offset);
135      PUSH_DATA (push, mt->base.address + offset);
136   }
137
138#if 0
139   if (dst) {
140      BEGIN_NV04(push, SUBC_2D(NV50_2D_CLIP_X), 4);
141      PUSH_DATA (push, 0);
142      PUSH_DATA (push, 0);
143      PUSH_DATA (push, width);
144      PUSH_DATA (push, height);
145   }
146#endif
147   return 0;
148}
149
150static int
151nv50_2d_texture_do_copy(struct nouveau_pushbuf *push,
152                        struct nv50_miptree *dst, unsigned dst_level,
153                        unsigned dx, unsigned dy, unsigned dz,
154                        struct nv50_miptree *src, unsigned src_level,
155                        unsigned sx, unsigned sy, unsigned sz,
156                        unsigned w, unsigned h)
157{
158   const enum pipe_format dfmt = dst->base.base.format;
159   const enum pipe_format sfmt = src->base.base.format;
160   int ret;
161   bool eqfmt = dfmt == sfmt;
162
163   if (!PUSH_SPACE(push, 2 * 16 + 32))
164      return PIPE_ERROR;
165
166   ret = nv50_2d_texture_set(push, 1, dst, dst_level, dz, dfmt, eqfmt);
167   if (ret)
168      return ret;
169
170   ret = nv50_2d_texture_set(push, 0, src, src_level, sz, sfmt, eqfmt);
171   if (ret)
172      return ret;
173
174   BEGIN_NV04(push, NV50_2D(BLIT_CONTROL), 1);
175   PUSH_DATA (push, NV50_2D_BLIT_CONTROL_FILTER_POINT_SAMPLE);
176   BEGIN_NV04(push, NV50_2D(BLIT_DST_X), 4);
177   PUSH_DATA (push, dx << dst->ms_x);
178   PUSH_DATA (push, dy << dst->ms_y);
179   PUSH_DATA (push, w << dst->ms_x);
180   PUSH_DATA (push, h << dst->ms_y);
181   BEGIN_NV04(push, NV50_2D(BLIT_DU_DX_FRACT), 4);
182   PUSH_DATA (push, 0);
183   PUSH_DATA (push, 1);
184   PUSH_DATA (push, 0);
185   PUSH_DATA (push, 1);
186   BEGIN_NV04(push, NV50_2D(BLIT_SRC_X_FRACT), 4);
187   PUSH_DATA (push, 0);
188   PUSH_DATA (push, sx << src->ms_x);
189   PUSH_DATA (push, 0);
190   PUSH_DATA (push, sy << src->ms_y);
191
192   return 0;
193}
194
195static void
196nv50_resource_copy_region(struct pipe_context *pipe,
197                          struct pipe_resource *dst, unsigned dst_level,
198                          unsigned dstx, unsigned dsty, unsigned dstz,
199                          struct pipe_resource *src, unsigned src_level,
200                          const struct pipe_box *src_box)
201{
202   struct nv50_context *nv50 = nv50_context(pipe);
203   int ret;
204   bool m2mf;
205   unsigned dst_layer = dstz, src_layer = src_box->z;
206
207   if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
208      nouveau_copy_buffer(&nv50->base,
209                          nv04_resource(dst), dstx,
210                          nv04_resource(src), src_box->x, src_box->width);
211      return;
212   }
213
214   /* 0 and 1 are equal, only supporting 0/1, 2, 4 and 8 */
215   assert((src->nr_samples | 1) == (dst->nr_samples | 1));
216
217   m2mf = (src->format == dst->format) ||
218      (util_format_get_blocksizebits(src->format) ==
219       util_format_get_blocksizebits(dst->format));
220
221   nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
222
223   if (m2mf) {
224      struct nv50_miptree *src_mt = nv50_miptree(src);
225      struct nv50_miptree *dst_mt = nv50_miptree(dst);
226      struct nv50_m2mf_rect drect, srect;
227      unsigned i;
228      unsigned nx = util_format_get_nblocksx(src->format, src_box->width)
229         << src_mt->ms_x;
230      unsigned ny = util_format_get_nblocksy(src->format, src_box->height)
231         << src_mt->ms_y;
232
233      nv50_m2mf_rect_setup(&drect, dst, dst_level, dstx, dsty, dstz);
234      nv50_m2mf_rect_setup(&srect, src, src_level,
235                           src_box->x, src_box->y, src_box->z);
236
237      for (i = 0; i < src_box->depth; ++i) {
238         nv50_m2mf_transfer_rect(nv50, &drect, &srect, nx, ny);
239
240         if (dst_mt->layout_3d)
241            drect.z++;
242         else
243            drect.base += dst_mt->layer_stride;
244
245         if (src_mt->layout_3d)
246            srect.z++;
247         else
248            srect.base += src_mt->layer_stride;
249      }
250      return;
251   }
252
253   assert((src->format == dst->format) ||
254          (nv50_2d_src_format_faithful(src->format) &&
255           nv50_2d_dst_format_faithful(dst->format)));
256
257   BCTX_REFN(nv50->bufctx, 2D, nv04_resource(src), RD);
258   BCTX_REFN(nv50->bufctx, 2D, nv04_resource(dst), WR);
259   nouveau_pushbuf_bufctx(nv50->base.pushbuf, nv50->bufctx);
260   nouveau_pushbuf_validate(nv50->base.pushbuf);
261
262   for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
263      ret = nv50_2d_texture_do_copy(nv50->base.pushbuf,
264                                    nv50_miptree(dst), dst_level,
265                                    dstx, dsty, dst_layer,
266                                    nv50_miptree(src), src_level,
267                                    src_box->x, src_box->y, src_layer,
268                                    src_box->width, src_box->height);
269      if (ret)
270         break;
271   }
272   nouveau_bufctx_reset(nv50->bufctx, NV50_BIND_2D);
273}
274
275static void
276nv50_clear_render_target(struct pipe_context *pipe,
277                         struct pipe_surface *dst,
278                         const union pipe_color_union *color,
279                         unsigned dstx, unsigned dsty,
280                         unsigned width, unsigned height,
281                         bool render_condition_enabled)
282{
283   struct nv50_context *nv50 = nv50_context(pipe);
284   struct nouveau_pushbuf *push = nv50->base.pushbuf;
285   struct nv50_miptree *mt = nv50_miptree(dst->texture);
286   struct nv50_surface *sf = nv50_surface(dst);
287   struct nouveau_bo *bo = mt->base.bo;
288   unsigned z;
289
290   assert(dst->texture->target != PIPE_BUFFER);
291
292   BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
293   PUSH_DATAf(push, color->f[0]);
294   PUSH_DATAf(push, color->f[1]);
295   PUSH_DATAf(push, color->f[2]);
296   PUSH_DATAf(push, color->f[3]);
297
298   if (nouveau_pushbuf_space(push, 64 + sf->depth, 1, 0))
299      return;
300
301   PUSH_REFN(push, bo, mt->base.domain | NOUVEAU_BO_WR);
302
303   BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
304   PUSH_DATA (push, ( width << 16) | dstx);
305   PUSH_DATA (push, (height << 16) | dsty);
306   BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
307   PUSH_DATA (push, 8192 << 16);
308   PUSH_DATA (push, 8192 << 16);
309   nv50->scissors_dirty |= 1;
310
311   BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
312   PUSH_DATA (push, 1);
313   BEGIN_NV04(push, NV50_3D(RT_ADDRESS_HIGH(0)), 5);
314   PUSH_DATAh(push, mt->base.address + sf->offset);
315   PUSH_DATA (push, mt->base.address + sf->offset);
316   PUSH_DATA (push, nv50_format_table[dst->format].rt);
317   PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
318   PUSH_DATA (push, mt->layer_stride >> 2);
319   BEGIN_NV04(push, NV50_3D(RT_HORIZ(0)), 2);
320   if (nouveau_bo_memtype(bo))
321      PUSH_DATA(push, sf->width);
322   else
323      PUSH_DATA(push, NV50_3D_RT_HORIZ_LINEAR | mt->level[0].pitch);
324   PUSH_DATA (push, sf->height);
325   BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
326   if (mt->layout_3d)
327      PUSH_DATA(push, NV50_3D_RT_ARRAY_MODE_MODE_3D | 512);
328   else
329      PUSH_DATA(push, 512);
330
331   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
332   PUSH_DATA (push, mt->ms_mode);
333
334   if (!nouveau_bo_memtype(bo)) {
335      BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
336      PUSH_DATA (push, 0);
337   }
338
339   /* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
340
341   BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
342   PUSH_DATA (push, (width << 16) | dstx);
343   PUSH_DATA (push, (height << 16) | dsty);
344
345   if (!render_condition_enabled) {
346      BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
347      PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
348   }
349
350   BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), sf->depth);
351   for (z = 0; z < sf->depth; ++z) {
352      PUSH_DATA (push, 0x3c |
353                 (z << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
354   }
355
356   if (!render_condition_enabled) {
357      BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
358      PUSH_DATA (push, nv50->cond_condmode);
359   }
360
361   nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
362}
363
364static void
365nv50_clear_depth_stencil(struct pipe_context *pipe,
366                         struct pipe_surface *dst,
367                         unsigned clear_flags,
368                         double depth,
369                         unsigned stencil,
370                         unsigned dstx, unsigned dsty,
371                         unsigned width, unsigned height,
372                         bool render_condition_enabled)
373{
374   struct nv50_context *nv50 = nv50_context(pipe);
375   struct nouveau_pushbuf *push = nv50->base.pushbuf;
376   struct nv50_miptree *mt = nv50_miptree(dst->texture);
377   struct nv50_surface *sf = nv50_surface(dst);
378   struct nouveau_bo *bo = mt->base.bo;
379   uint32_t mode = 0;
380   unsigned z;
381
382   assert(dst->texture->target != PIPE_BUFFER);
383   assert(nouveau_bo_memtype(bo)); /* ZETA cannot be linear */
384
385   if (clear_flags & PIPE_CLEAR_DEPTH) {
386      BEGIN_NV04(push, NV50_3D(CLEAR_DEPTH), 1);
387      PUSH_DATAf(push, depth);
388      mode |= NV50_3D_CLEAR_BUFFERS_Z;
389   }
390
391   if (clear_flags & PIPE_CLEAR_STENCIL) {
392      BEGIN_NV04(push, NV50_3D(CLEAR_STENCIL), 1);
393      PUSH_DATA (push, stencil & 0xff);
394      mode |= NV50_3D_CLEAR_BUFFERS_S;
395   }
396
397   if (nouveau_pushbuf_space(push, 64 + sf->depth, 1, 0))
398      return;
399
400   PUSH_REFN(push, bo, mt->base.domain | NOUVEAU_BO_WR);
401
402   BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
403   PUSH_DATA (push, ( width << 16) | dstx);
404   PUSH_DATA (push, (height << 16) | dsty);
405   BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
406   PUSH_DATA (push, 8192 << 16);
407   PUSH_DATA (push, 8192 << 16);
408   nv50->scissors_dirty |= 1;
409
410   BEGIN_NV04(push, NV50_3D(ZETA_ADDRESS_HIGH), 5);
411   PUSH_DATAh(push, mt->base.address + sf->offset);
412   PUSH_DATA (push, mt->base.address + sf->offset);
413   PUSH_DATA (push, nv50_format_table[dst->format].rt);
414   PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
415   PUSH_DATA (push, mt->layer_stride >> 2);
416   BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
417   PUSH_DATA (push, 1);
418   BEGIN_NV04(push, NV50_3D(ZETA_HORIZ), 3);
419   PUSH_DATA (push, sf->width);
420   PUSH_DATA (push, sf->height);
421   PUSH_DATA (push, (1 << 16) | 1);
422
423   BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
424   PUSH_DATA (push, 512);
425
426   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
427   PUSH_DATA (push, mt->ms_mode);
428
429   BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
430   PUSH_DATA (push, (width << 16) | dstx);
431   PUSH_DATA (push, (height << 16) | dsty);
432
433   if (!render_condition_enabled) {
434      BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
435      PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
436   }
437
438   BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), sf->depth);
439   for (z = 0; z < sf->depth; ++z) {
440      PUSH_DATA (push, mode |
441                 (z << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
442   }
443
444   if (!render_condition_enabled) {
445      BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
446      PUSH_DATA (push, nv50->cond_condmode);
447   }
448
449   nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
450}
451
452void
453nv50_clear_texture(struct pipe_context *pipe,
454                   struct pipe_resource *res,
455                   unsigned level,
456                   const struct pipe_box *box,
457                   const void *data)
458{
459   struct pipe_surface tmpl = {{0}}, *sf;
460
461   tmpl.format = res->format;
462   tmpl.u.tex.first_layer = box->z;
463   tmpl.u.tex.last_layer = box->z + box->depth - 1;
464   tmpl.u.tex.level = level;
465   sf = pipe->create_surface(pipe, res, &tmpl);
466   if (!sf)
467      return;
468
469   if (util_format_is_depth_or_stencil(res->format)) {
470      float depth = 0;
471      uint8_t stencil = 0;
472      unsigned clear = 0;
473      const struct util_format_description *desc =
474         util_format_description(res->format);
475
476      if (util_format_has_depth(desc)) {
477         clear |= PIPE_CLEAR_DEPTH;
478         desc->unpack_z_float(&depth, 0, data, 0, 1, 1);
479      }
480      if (util_format_has_stencil(desc)) {
481         clear |= PIPE_CLEAR_STENCIL;
482         desc->unpack_s_8uint(&stencil, 0, data, 0, 1, 1);
483      }
484      pipe->clear_depth_stencil(pipe, sf, clear, depth, stencil,
485                                box->x, box->y, box->width, box->height, false);
486   } else {
487      union pipe_color_union color;
488
489      switch (util_format_get_blocksizebits(res->format)) {
490      case 128:
491         sf->format = PIPE_FORMAT_R32G32B32A32_UINT;
492         memcpy(&color.ui, data, 128 / 8);
493         break;
494      case 64:
495         sf->format = PIPE_FORMAT_R32G32_UINT;
496         memcpy(&color.ui, data, 64 / 8);
497         memset(&color.ui[2], 0, 64 / 8);
498         break;
499      case 32:
500         sf->format = PIPE_FORMAT_R32_UINT;
501         memcpy(&color.ui, data, 32 / 8);
502         memset(&color.ui[1], 0, 96 / 8);
503         break;
504      case 16:
505         sf->format = PIPE_FORMAT_R16_UINT;
506         color.ui[0] = util_cpu_to_le32(
507            util_le16_to_cpu(*(unsigned short *)data));
508         memset(&color.ui[1], 0, 96 / 8);
509         break;
510      case 8:
511         sf->format = PIPE_FORMAT_R8_UINT;
512         color.ui[0] = util_cpu_to_le32(*(unsigned char *)data);
513         memset(&color.ui[1], 0, 96 / 8);
514         break;
515      default:
516         assert(!"Unknown texel element size");
517         return;
518      }
519
520      pipe->clear_render_target(pipe, sf, &color,
521                                box->x, box->y, box->width, box->height, false);
522   }
523   pipe->surface_destroy(pipe, sf);
524}
525
526void
527nv50_clear(struct pipe_context *pipe, unsigned buffers,
528           const union pipe_color_union *color,
529           double depth, unsigned stencil)
530{
531   struct nv50_context *nv50 = nv50_context(pipe);
532   struct nouveau_pushbuf *push = nv50->base.pushbuf;
533   struct pipe_framebuffer_state *fb = &nv50->framebuffer;
534   unsigned i, j, k;
535   uint32_t mode = 0;
536
537   /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
538   if (!nv50_state_validate_3d(nv50, NV50_NEW_3D_FRAMEBUFFER))
539      return;
540
541   /* We have to clear ALL of the layers, not up to the min number of layers
542    * of any attachment. */
543   BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
544   PUSH_DATA (push, (nv50->rt_array_mode & NV50_3D_RT_ARRAY_MODE_MODE_3D) | 512);
545
546   if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
547      BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
548      PUSH_DATAf(push, color->f[0]);
549      PUSH_DATAf(push, color->f[1]);
550      PUSH_DATAf(push, color->f[2]);
551      PUSH_DATAf(push, color->f[3]);
552      if (buffers & PIPE_CLEAR_COLOR0)
553         mode =
554            NV50_3D_CLEAR_BUFFERS_R | NV50_3D_CLEAR_BUFFERS_G |
555            NV50_3D_CLEAR_BUFFERS_B | NV50_3D_CLEAR_BUFFERS_A;
556   }
557
558   if (buffers & PIPE_CLEAR_DEPTH) {
559      BEGIN_NV04(push, NV50_3D(CLEAR_DEPTH), 1);
560      PUSH_DATA (push, fui(depth));
561      mode |= NV50_3D_CLEAR_BUFFERS_Z;
562   }
563
564   if (buffers & PIPE_CLEAR_STENCIL) {
565      BEGIN_NV04(push, NV50_3D(CLEAR_STENCIL), 1);
566      PUSH_DATA (push, stencil & 0xff);
567      mode |= NV50_3D_CLEAR_BUFFERS_S;
568   }
569
570   if (mode) {
571      int zs_layers = 0, color0_layers = 0;
572      if (fb->cbufs[0] && (mode & 0x3c))
573         color0_layers = nv50_surface(fb->cbufs[0])->depth;
574      if (fb->zsbuf && (mode & ~0x3c))
575         zs_layers = nv50_surface(fb->zsbuf)->depth;
576
577      for (j = 0; j < MIN2(zs_layers, color0_layers); j++) {
578         BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
579         PUSH_DATA(push, mode | (j << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
580      }
581      for (k = j; k < zs_layers; k++) {
582         BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
583         PUSH_DATA(push, (mode & ~0x3c) | (k << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
584      }
585      for (k = j; k < color0_layers; k++) {
586         BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
587         PUSH_DATA(push, (mode & 0x3c) | (k << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
588      }
589   }
590
591   for (i = 1; i < fb->nr_cbufs; i++) {
592      struct pipe_surface *sf = fb->cbufs[i];
593      if (!sf || !(buffers & (PIPE_CLEAR_COLOR0 << i)))
594         continue;
595      for (j = 0; j < nv50_surface(sf)->depth; j++) {
596         BEGIN_NV04(push, NV50_3D(CLEAR_BUFFERS), 1);
597         PUSH_DATA (push, (i << 6) | 0x3c |
598                    (j << NV50_3D_CLEAR_BUFFERS_LAYER__SHIFT));
599      }
600   }
601
602   /* restore the array mode */
603   BEGIN_NV04(push, NV50_3D(RT_ARRAY_MODE), 1);
604   PUSH_DATA (push, nv50->rt_array_mode);
605}
606
607static void
608nv50_clear_buffer_push(struct pipe_context *pipe,
609                       struct pipe_resource *res,
610                       unsigned offset, unsigned size,
611                       const void *data, int data_size)
612{
613   struct nv50_context *nv50 = nv50_context(pipe);
614   struct nouveau_pushbuf *push = nv50->base.pushbuf;
615   struct nv04_resource *buf = nv04_resource(res);
616   unsigned count = (size + 3) / 4;
617   unsigned xcoord = offset & 0xff;
618   unsigned tmp, i;
619
620   if (data_size == 1) {
621      tmp = *(unsigned char *)data;
622      tmp = (tmp << 24) | (tmp << 16) | (tmp << 8) | tmp;
623      data = &tmp;
624      data_size = 4;
625   } else if (data_size == 2) {
626      tmp = *(unsigned short *)data;
627      tmp = (tmp << 16) | tmp;
628      data = &tmp;
629      data_size = 4;
630   }
631
632   unsigned data_words = data_size / 4;
633
634   nouveau_bufctx_refn(nv50->bufctx, 0, buf->bo, buf->domain | NOUVEAU_BO_WR);
635   nouveau_pushbuf_bufctx(push, nv50->bufctx);
636   nouveau_pushbuf_validate(push);
637
638   offset &= ~0xff;
639
640   BEGIN_NV04(push, NV50_2D(DST_FORMAT), 2);
641   PUSH_DATA (push, G80_SURFACE_FORMAT_R8_UNORM);
642   PUSH_DATA (push, 1);
643   BEGIN_NV04(push, NV50_2D(DST_PITCH), 5);
644   PUSH_DATA (push, 262144);
645   PUSH_DATA (push, 65536);
646   PUSH_DATA (push, 1);
647   PUSH_DATAh(push, buf->address + offset);
648   PUSH_DATA (push, buf->address + offset);
649   BEGIN_NV04(push, NV50_2D(SIFC_BITMAP_ENABLE), 2);
650   PUSH_DATA (push, 0);
651   PUSH_DATA (push, G80_SURFACE_FORMAT_R8_UNORM);
652   BEGIN_NV04(push, NV50_2D(SIFC_WIDTH), 10);
653   PUSH_DATA (push, size);
654   PUSH_DATA (push, 1);
655   PUSH_DATA (push, 0);
656   PUSH_DATA (push, 1);
657   PUSH_DATA (push, 0);
658   PUSH_DATA (push, 1);
659   PUSH_DATA (push, 0);
660   PUSH_DATA (push, xcoord);
661   PUSH_DATA (push, 0);
662   PUSH_DATA (push, 0);
663
664   while (count) {
665      unsigned nr_data = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN) / data_words;
666      unsigned nr = nr_data * data_words;
667
668      BEGIN_NI04(push, NV50_2D(SIFC_DATA), nr);
669      for (i = 0; i < nr_data; i++)
670         PUSH_DATAp(push, data, data_words);
671
672      count -= nr;
673   }
674
675   if (buf->mm) {
676      nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence);
677      nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence_wr);
678   }
679
680   nouveau_bufctx_reset(nv50->bufctx, 0);
681}
682
683static void
684nv50_clear_buffer(struct pipe_context *pipe,
685                  struct pipe_resource *res,
686                  unsigned offset, unsigned size,
687                  const void *data, int data_size)
688{
689   struct nv50_context *nv50 = nv50_context(pipe);
690   struct nouveau_pushbuf *push = nv50->base.pushbuf;
691   struct nv04_resource *buf = (struct nv04_resource *)res;
692   union pipe_color_union color;
693   enum pipe_format dst_fmt;
694   unsigned width, height, elements;
695
696   assert(res->target == PIPE_BUFFER);
697   assert(nouveau_bo_memtype(buf->bo) == 0);
698
699   switch (data_size) {
700   case 16:
701      dst_fmt = PIPE_FORMAT_R32G32B32A32_UINT;
702      memcpy(&color.ui, data, 16);
703      break;
704   case 8:
705      dst_fmt = PIPE_FORMAT_R32G32_UINT;
706      memcpy(&color.ui, data, 8);
707      memset(&color.ui[2], 0, 8);
708      break;
709   case 4:
710      dst_fmt = PIPE_FORMAT_R32_UINT;
711      memcpy(&color.ui, data, 4);
712      memset(&color.ui[1], 0, 12);
713      break;
714   case 2:
715      dst_fmt = PIPE_FORMAT_R16_UINT;
716      color.ui[0] = util_cpu_to_le32(
717            util_le16_to_cpu(*(unsigned short *)data));
718      memset(&color.ui[1], 0, 12);
719      break;
720   case 1:
721      dst_fmt = PIPE_FORMAT_R8_UINT;
722      color.ui[0] = util_cpu_to_le32(*(unsigned char *)data);
723      memset(&color.ui[1], 0, 12);
724      break;
725   default:
726      assert(!"Unsupported element size");
727      return;
728   }
729
730   assert(size % data_size == 0);
731
732   if (offset & 0xff) {
733      unsigned fixup_size = MIN2(size, align(offset, 0x100) - offset);
734      assert(fixup_size % data_size == 0);
735      nv50_clear_buffer_push(pipe, res, offset, fixup_size, data, data_size);
736      offset += fixup_size;
737      size -= fixup_size;
738      if (!size)
739         return;
740   }
741
742   elements = size / data_size;
743   height = (elements + 8191) / 8192;
744   width = elements / height;
745   if (height > 1)
746      width &= ~0xff;
747   assert(width > 0);
748
749   BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
750   PUSH_DATAf(push, color.f[0]);
751   PUSH_DATAf(push, color.f[1]);
752   PUSH_DATAf(push, color.f[2]);
753   PUSH_DATAf(push, color.f[3]);
754
755   if (nouveau_pushbuf_space(push, 64, 1, 0))
756      return;
757
758   PUSH_REFN(push, buf->bo, buf->domain | NOUVEAU_BO_WR);
759
760   BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
761   PUSH_DATA (push, width << 16);
762   PUSH_DATA (push, height << 16);
763   BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
764   PUSH_DATA (push, 8192 << 16);
765   PUSH_DATA (push, 8192 << 16);
766   nv50->scissors_dirty |= 1;
767
768   BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
769   PUSH_DATA (push, 1);
770   BEGIN_NV04(push, NV50_3D(RT_ADDRESS_HIGH(0)), 5);
771   PUSH_DATAh(push, buf->address + offset);
772   PUSH_DATA (push, buf->address + offset);
773   PUSH_DATA (push, nv50_format_table[dst_fmt].rt);
774   PUSH_DATA (push, 0);
775   PUSH_DATA (push, 0);
776   BEGIN_NV04(push, NV50_3D(RT_HORIZ(0)), 2);
777   PUSH_DATA (push, NV50_3D_RT_HORIZ_LINEAR | align(width * data_size, 0x100));
778   PUSH_DATA (push, height);
779   BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
780   PUSH_DATA (push, 0);
781   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
782   PUSH_DATA (push, 0);
783
784   /* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
785
786   BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
787   PUSH_DATA (push, (width << 16));
788   PUSH_DATA (push, (height << 16));
789
790   BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
791   PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
792
793   BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), 1);
794   PUSH_DATA (push, 0x3c);
795
796   BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
797   PUSH_DATA (push, nv50->cond_condmode);
798
799   if (buf->mm) {
800      nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence);
801      nouveau_fence_ref(nv50->screen->base.fence.current, &buf->fence_wr);
802   }
803
804   if (width * height != elements) {
805      offset += width * height * data_size;
806      width = elements - width * height;
807      nv50_clear_buffer_push(pipe, res, offset, width * data_size,
808                             data, data_size);
809   }
810
811   nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
812}
813
814/* =============================== BLIT CODE ===================================
815 */
816
817struct nv50_blitter
818{
819   struct nv50_program *fp[NV50_BLIT_MAX_TEXTURE_TYPES][NV50_BLIT_MODES];
820   struct nv50_program vp;
821
822   struct nv50_tsc_entry sampler[2]; /* nearest, bilinear */
823
824   pipe_mutex mutex;
825};
826
827struct nv50_blitctx
828{
829   struct nv50_context *nv50;
830   struct nv50_program *fp;
831   uint8_t mode;
832   uint16_t color_mask;
833   uint8_t filter;
834   uint8_t render_condition_enable;
835   enum pipe_texture_target target;
836   struct {
837      struct pipe_framebuffer_state fb;
838      struct nv50_window_rect_stateobj window_rect;
839      struct nv50_rasterizer_stateobj *rast;
840      struct nv50_program *vp;
841      struct nv50_program *gp;
842      struct nv50_program *fp;
843      unsigned num_textures[3];
844      unsigned num_samplers[3];
845      struct pipe_sampler_view *texture[2];
846      struct nv50_tsc_entry *sampler[2];
847      unsigned min_samples;
848      uint32_t dirty_3d;
849   } saved;
850   struct nv50_rasterizer_stateobj rast;
851};
852
853static void
854nv50_blitter_make_vp(struct nv50_blitter *blit)
855{
856   static const uint32_t code[] =
857   {
858      0x10000001, 0x0423c788, /* mov b32 o[0x00] s[0x00] */ /* HPOS.x */
859      0x10000205, 0x0423c788, /* mov b32 o[0x04] s[0x04] */ /* HPOS.y */
860      0x10000409, 0x0423c788, /* mov b32 o[0x08] s[0x08] */ /* TEXC.x */
861      0x1000060d, 0x0423c788, /* mov b32 o[0x0c] s[0x0c] */ /* TEXC.y */
862      0x10000811, 0x0423c789, /* mov b32 o[0x10] s[0x10] */ /* TEXC.z */
863   };
864
865   blit->vp.type = PIPE_SHADER_VERTEX;
866   blit->vp.translated = true;
867   blit->vp.code = (uint32_t *)code; /* const_cast */
868   blit->vp.code_size = sizeof(code);
869   blit->vp.max_gpr = 4;
870   blit->vp.max_out = 5;
871   blit->vp.out_nr = 2;
872   blit->vp.out[0].mask = 0x3;
873   blit->vp.out[0].sn = TGSI_SEMANTIC_POSITION;
874   blit->vp.out[1].hw = 2;
875   blit->vp.out[1].mask = 0x7;
876   blit->vp.out[1].sn = TGSI_SEMANTIC_GENERIC;
877   blit->vp.out[1].si = 0;
878   blit->vp.vp.attrs[0] = 0x73;
879   blit->vp.vp.psiz = 0x40;
880   blit->vp.vp.edgeflag = 0x40;
881}
882
883void *
884nv50_blitter_make_fp(struct pipe_context *pipe,
885                     unsigned mode,
886                     enum pipe_texture_target ptarg)
887{
888   struct ureg_program *ureg;
889   struct ureg_src tc;
890   struct ureg_dst out;
891   struct ureg_dst data;
892
893   const unsigned target = nv50_blit_get_tgsi_texture_target(ptarg);
894
895   bool tex_rgbaz = false;
896   bool tex_s = false;
897   bool cvt_un8 = false;
898
899   if (mode != NV50_BLIT_MODE_PASS &&
900       mode != NV50_BLIT_MODE_Z24X8 &&
901       mode != NV50_BLIT_MODE_X8Z24)
902      tex_s = true;
903
904   if (mode != NV50_BLIT_MODE_X24S8 &&
905       mode != NV50_BLIT_MODE_S8X24 &&
906       mode != NV50_BLIT_MODE_XS)
907      tex_rgbaz = true;
908
909   if (mode != NV50_BLIT_MODE_PASS &&
910       mode != NV50_BLIT_MODE_ZS &&
911       mode != NV50_BLIT_MODE_XS)
912      cvt_un8 = true;
913
914   ureg = ureg_create(PIPE_SHADER_FRAGMENT);
915   if (!ureg)
916      return NULL;
917
918   out = ureg_DECL_output(ureg, TGSI_SEMANTIC_COLOR, 0);
919   tc = ureg_DECL_fs_input(
920      ureg, TGSI_SEMANTIC_GENERIC, 0, TGSI_INTERPOLATE_LINEAR);
921
922   if (ptarg == PIPE_TEXTURE_1D_ARRAY) {
923      /* Adjust coordinates. Depth is in z, but TEX expects it to be in y. */
924      tc = ureg_swizzle(tc, TGSI_SWIZZLE_X, TGSI_SWIZZLE_Z,
925                        TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z);
926   }
927
928   data = ureg_DECL_temporary(ureg);
929
930   if (tex_s) {
931      ureg_TEX(ureg, ureg_writemask(data, TGSI_WRITEMASK_X),
932               target, tc, ureg_DECL_sampler(ureg, 1));
933      ureg_MOV(ureg, ureg_writemask(data, TGSI_WRITEMASK_Y),
934               ureg_scalar(ureg_src(data), TGSI_SWIZZLE_X));
935   }
936   if (tex_rgbaz) {
937      const unsigned mask = (mode == NV50_BLIT_MODE_PASS) ?
938         TGSI_WRITEMASK_XYZW : TGSI_WRITEMASK_X;
939      ureg_TEX(ureg, ureg_writemask(data, mask),
940               target, tc, ureg_DECL_sampler(ureg, 0));
941   }
942
943   if (cvt_un8) {
944      struct ureg_src mask;
945      struct ureg_src scale;
946      struct ureg_dst outz;
947      struct ureg_dst outs;
948      struct ureg_dst zdst3 = ureg_writemask(data, TGSI_WRITEMASK_XYZ);
949      struct ureg_dst zdst = ureg_writemask(data, TGSI_WRITEMASK_X);
950      struct ureg_dst sdst = ureg_writemask(data, TGSI_WRITEMASK_Y);
951      struct ureg_src zsrc3 = ureg_src(data);
952      struct ureg_src zsrc = ureg_scalar(zsrc3, TGSI_SWIZZLE_X);
953      struct ureg_src ssrc = ureg_scalar(zsrc3, TGSI_SWIZZLE_Y);
954      struct ureg_src zshuf;
955
956      mask = ureg_imm3u(ureg, 0x0000ff, 0x00ff00, 0xff0000);
957      scale = ureg_imm4f(ureg,
958                         1.0f / 0x0000ff, 1.0f / 0x00ff00, 1.0f / 0xff0000,
959                         (1 << 24) - 1);
960
961      if (mode == NV50_BLIT_MODE_Z24S8 ||
962          mode == NV50_BLIT_MODE_X24S8 ||
963          mode == NV50_BLIT_MODE_Z24X8) {
964         outz = ureg_writemask(out, TGSI_WRITEMASK_XYZ);
965         outs = ureg_writemask(out, TGSI_WRITEMASK_W);
966         zshuf = ureg_src(data);
967      } else {
968         outz = ureg_writemask(out, TGSI_WRITEMASK_YZW);
969         outs = ureg_writemask(out, TGSI_WRITEMASK_X);
970         zshuf = ureg_swizzle(zsrc3, TGSI_SWIZZLE_W,
971                              TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z);
972      }
973
974      if (tex_s) {
975         ureg_I2F(ureg, sdst, ssrc);
976         ureg_MUL(ureg, outs, ssrc, ureg_scalar(scale, TGSI_SWIZZLE_X));
977      }
978
979      if (tex_rgbaz) {
980         ureg_MUL(ureg, zdst, zsrc, ureg_scalar(scale, TGSI_SWIZZLE_W));
981         ureg_F2I(ureg, zdst, zsrc);
982         ureg_AND(ureg, zdst3, zsrc, mask);
983         ureg_I2F(ureg, zdst3, zsrc3);
984         ureg_MUL(ureg, zdst3, zsrc3, scale);
985         ureg_MOV(ureg, outz, zshuf);
986      }
987   } else {
988      unsigned mask = TGSI_WRITEMASK_XYZW;
989
990      if (mode != NV50_BLIT_MODE_PASS) {
991         mask &= ~TGSI_WRITEMASK_ZW;
992         if (!tex_s)
993            mask = TGSI_WRITEMASK_X;
994         if (!tex_rgbaz)
995            mask = TGSI_WRITEMASK_Y;
996      }
997      ureg_MOV(ureg, ureg_writemask(out, mask), ureg_src(data));
998   }
999   ureg_END(ureg);
1000
1001   return ureg_create_shader_and_destroy(ureg, pipe);
1002}
1003
1004static void
1005nv50_blitter_make_sampler(struct nv50_blitter *blit)
1006{
1007   /* clamp to edge, min/max lod = 0, nearest filtering */
1008
1009   blit->sampler[0].id = -1;
1010
1011   blit->sampler[0].tsc[0] = G80_TSC_0_SRGB_CONVERSION |
1012      (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_U__SHIFT) |
1013      (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_V__SHIFT) |
1014      (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_P__SHIFT);
1015   blit->sampler[0].tsc[1] =
1016      G80_TSC_1_MAG_FILTER_NEAREST |
1017      G80_TSC_1_MIN_FILTER_NEAREST |
1018      G80_TSC_1_MIP_FILTER_NONE;
1019
1020   /* clamp to edge, min/max lod = 0, bilinear filtering */
1021
1022   blit->sampler[1].id = -1;
1023
1024   blit->sampler[1].tsc[0] = blit->sampler[0].tsc[0];
1025   blit->sampler[1].tsc[1] =
1026      G80_TSC_1_MAG_FILTER_LINEAR |
1027      G80_TSC_1_MIN_FILTER_LINEAR |
1028      G80_TSC_1_MIP_FILTER_NONE;
1029}
1030
1031unsigned
1032nv50_blit_select_mode(const struct pipe_blit_info *info)
1033{
1034   const unsigned mask = info->mask;
1035
1036   switch (info->dst.resource->format) {
1037   case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1038   case PIPE_FORMAT_Z24X8_UNORM:
1039   case PIPE_FORMAT_X24S8_UINT:
1040      switch (mask & PIPE_MASK_ZS) {
1041      case PIPE_MASK_ZS: return NV50_BLIT_MODE_Z24S8;
1042      case PIPE_MASK_Z:  return NV50_BLIT_MODE_Z24X8;
1043      default:
1044         return NV50_BLIT_MODE_X24S8;
1045      }
1046   case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1047   case PIPE_FORMAT_X8Z24_UNORM:
1048   case PIPE_FORMAT_S8X24_UINT:
1049      switch (mask & PIPE_MASK_ZS) {
1050      case PIPE_MASK_ZS: return NV50_BLIT_MODE_S8Z24;
1051      case PIPE_MASK_Z:  return NV50_BLIT_MODE_X8Z24;
1052      default:
1053         return NV50_BLIT_MODE_S8X24;
1054      }
1055   case PIPE_FORMAT_Z32_FLOAT:
1056   case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1057   case PIPE_FORMAT_X32_S8X24_UINT:
1058      switch (mask & PIPE_MASK_ZS) {
1059      case PIPE_MASK_ZS: return NV50_BLIT_MODE_ZS;
1060      case PIPE_MASK_Z:  return NV50_BLIT_MODE_PASS;
1061      default:
1062         return NV50_BLIT_MODE_XS;
1063      }
1064   default:
1065      return NV50_BLIT_MODE_PASS;
1066   }
1067}
1068
1069static void
1070nv50_blit_select_fp(struct nv50_blitctx *ctx, const struct pipe_blit_info *info)
1071{
1072   struct nv50_blitter *blitter = ctx->nv50->screen->blitter;
1073
1074   const enum pipe_texture_target ptarg =
1075      nv50_blit_reinterpret_pipe_texture_target(info->src.resource->target);
1076
1077   const unsigned targ = nv50_blit_texture_type(ptarg);
1078   const unsigned mode = ctx->mode;
1079
1080   if (!blitter->fp[targ][mode]) {
1081      pipe_mutex_lock(blitter->mutex);
1082      if (!blitter->fp[targ][mode])
1083         blitter->fp[targ][mode] =
1084            nv50_blitter_make_fp(&ctx->nv50->base.pipe, mode, ptarg);
1085      pipe_mutex_unlock(blitter->mutex);
1086   }
1087   ctx->fp = blitter->fp[targ][mode];
1088}
1089
1090static void
1091nv50_blit_set_dst(struct nv50_blitctx *ctx,
1092                  struct pipe_resource *res, unsigned level, unsigned layer,
1093                  enum pipe_format format)
1094{
1095   struct nv50_context *nv50 = ctx->nv50;
1096   struct pipe_context *pipe = &nv50->base.pipe;
1097   struct pipe_surface templ;
1098
1099   if (util_format_is_depth_or_stencil(format))
1100      templ.format = nv50_blit_zeta_to_colour_format(format);
1101   else
1102      templ.format = format;
1103
1104   templ.u.tex.level = level;
1105   templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
1106
1107   if (layer == -1) {
1108      templ.u.tex.first_layer = 0;
1109      templ.u.tex.last_layer =
1110         (res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
1111   }
1112
1113   nv50->framebuffer.cbufs[0] = nv50_miptree_surface_new(pipe, res, &templ);
1114   nv50->framebuffer.nr_cbufs = 1;
1115   nv50->framebuffer.zsbuf = NULL;
1116   nv50->framebuffer.width = nv50->framebuffer.cbufs[0]->width;
1117   nv50->framebuffer.height = nv50->framebuffer.cbufs[0]->height;
1118}
1119
1120static void
1121nv50_blit_set_src(struct nv50_blitctx *blit,
1122                  struct pipe_resource *res, unsigned level, unsigned layer,
1123                  enum pipe_format format, const uint8_t filter)
1124{
1125   struct nv50_context *nv50 = blit->nv50;
1126   struct pipe_context *pipe = &nv50->base.pipe;
1127   struct pipe_sampler_view templ;
1128   uint32_t flags;
1129   enum pipe_texture_target target;
1130
1131   target = nv50_blit_reinterpret_pipe_texture_target(res->target);
1132
1133   templ.format = format;
1134   templ.u.tex.first_level = templ.u.tex.last_level = level;
1135   templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
1136   templ.swizzle_r = PIPE_SWIZZLE_X;
1137   templ.swizzle_g = PIPE_SWIZZLE_Y;
1138   templ.swizzle_b = PIPE_SWIZZLE_Z;
1139   templ.swizzle_a = PIPE_SWIZZLE_W;
1140
1141   if (layer == -1) {
1142      templ.u.tex.first_layer = 0;
1143      templ.u.tex.last_layer =
1144         (res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
1145   }
1146
1147   flags = res->last_level ? 0 : NV50_TEXVIEW_SCALED_COORDS;
1148   flags |= NV50_TEXVIEW_ACCESS_RESOLVE;
1149   if (filter && res->nr_samples == 8)
1150      flags |= NV50_TEXVIEW_FILTER_MSAA8;
1151
1152   nv50->textures[2][0] = nv50_create_texture_view(
1153      pipe, res, &templ, flags, target);
1154   nv50->textures[2][1] = NULL;
1155
1156   nv50->num_textures[0] = nv50->num_textures[1] = 0;
1157   nv50->num_textures[2] = 1;
1158
1159   templ.format = nv50_zs_to_s_format(format);
1160   if (templ.format != res->format) {
1161      nv50->textures[2][1] = nv50_create_texture_view(
1162         pipe, res, &templ, flags, target);
1163      nv50->num_textures[2] = 2;
1164   }
1165}
1166
1167static void
1168nv50_blitctx_prepare_state(struct nv50_blitctx *blit)
1169{
1170   struct nouveau_pushbuf *push = blit->nv50->base.pushbuf;
1171
1172   if (blit->nv50->cond_query && !blit->render_condition_enable) {
1173      BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
1174      PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
1175   }
1176
1177   /* blend state */
1178   BEGIN_NV04(push, NV50_3D(COLOR_MASK(0)), 1);
1179   PUSH_DATA (push, blit->color_mask);
1180   BEGIN_NV04(push, NV50_3D(BLEND_ENABLE(0)), 1);
1181   PUSH_DATA (push, 0);
1182   BEGIN_NV04(push, NV50_3D(LOGIC_OP_ENABLE), 1);
1183   PUSH_DATA (push, 0);
1184
1185   /* rasterizer state */
1186#ifndef NV50_SCISSORS_CLIPPING
1187   BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(0)), 1);
1188   PUSH_DATA (push, 1);
1189#endif
1190   BEGIN_NV04(push, NV50_3D(VERTEX_TWO_SIDE_ENABLE), 1);
1191   PUSH_DATA (push, 0);
1192   BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
1193   PUSH_DATA (push, 0);
1194   BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
1195   PUSH_DATA (push, 0);
1196   BEGIN_NV04(push, NV50_3D(MSAA_MASK(0)), 4);
1197   PUSH_DATA (push, 0xffff);
1198   PUSH_DATA (push, 0xffff);
1199   PUSH_DATA (push, 0xffff);
1200   PUSH_DATA (push, 0xffff);
1201   BEGIN_NV04(push, NV50_3D(POLYGON_MODE_FRONT), 3);
1202   PUSH_DATA (push, NV50_3D_POLYGON_MODE_FRONT_FILL);
1203   PUSH_DATA (push, NV50_3D_POLYGON_MODE_BACK_FILL);
1204   PUSH_DATA (push, 0);
1205   BEGIN_NV04(push, NV50_3D(CULL_FACE_ENABLE), 1);
1206   PUSH_DATA (push, 0);
1207   BEGIN_NV04(push, NV50_3D(POLYGON_STIPPLE_ENABLE), 1);
1208   PUSH_DATA (push, 0);
1209   BEGIN_NV04(push, NV50_3D(POLYGON_OFFSET_FILL_ENABLE), 1);
1210   PUSH_DATA (push, 0);
1211
1212   /* zsa state */
1213   BEGIN_NV04(push, NV50_3D(DEPTH_TEST_ENABLE), 1);
1214   PUSH_DATA (push, 0);
1215   BEGIN_NV04(push, NV50_3D(DEPTH_BOUNDS_EN), 1);
1216   PUSH_DATA (push, 0);
1217   BEGIN_NV04(push, NV50_3D(STENCIL_ENABLE), 1);
1218   PUSH_DATA (push, 0);
1219   BEGIN_NV04(push, NV50_3D(ALPHA_TEST_ENABLE), 1);
1220   PUSH_DATA (push, 0);
1221}
1222
1223static void
1224nv50_blitctx_pre_blit(struct nv50_blitctx *ctx,
1225                      const struct pipe_blit_info *info)
1226{
1227   struct nv50_context *nv50 = ctx->nv50;
1228   struct nv50_blitter *blitter = nv50->screen->blitter;
1229   int s;
1230
1231   ctx->saved.fb.width = nv50->framebuffer.width;
1232   ctx->saved.fb.height = nv50->framebuffer.height;
1233   ctx->saved.fb.nr_cbufs = nv50->framebuffer.nr_cbufs;
1234   ctx->saved.fb.cbufs[0] = nv50->framebuffer.cbufs[0];
1235   ctx->saved.fb.zsbuf = nv50->framebuffer.zsbuf;
1236
1237   ctx->saved.rast = nv50->rast;
1238
1239   ctx->saved.vp = nv50->vertprog;
1240   ctx->saved.gp = nv50->gmtyprog;
1241   ctx->saved.fp = nv50->fragprog;
1242
1243   ctx->saved.min_samples = nv50->min_samples;
1244   ctx->saved.window_rect = nv50->window_rect;
1245
1246   nv50->rast = &ctx->rast;
1247
1248   nv50->vertprog = &blitter->vp;
1249   nv50->gmtyprog = NULL;
1250   nv50->fragprog = ctx->fp;
1251
1252   nv50->window_rect.rects =
1253      MIN2(info->num_window_rectangles, NV50_MAX_WINDOW_RECTANGLES);
1254   nv50->window_rect.inclusive = info->window_rectangle_include;
1255   if (nv50->window_rect.rects)
1256      memcpy(nv50->window_rect.rect, info->window_rectangles,
1257             sizeof(struct pipe_scissor_state) * nv50->window_rect.rects);
1258
1259   for (s = 0; s < 3; ++s) {
1260      ctx->saved.num_textures[s] = nv50->num_textures[s];
1261      ctx->saved.num_samplers[s] = nv50->num_samplers[s];
1262   }
1263   ctx->saved.texture[0] = nv50->textures[2][0];
1264   ctx->saved.texture[1] = nv50->textures[2][1];
1265   ctx->saved.sampler[0] = nv50->samplers[2][0];
1266   ctx->saved.sampler[1] = nv50->samplers[2][1];
1267
1268   nv50->samplers[2][0] = &blitter->sampler[ctx->filter];
1269   nv50->samplers[2][1] = &blitter->sampler[ctx->filter];
1270
1271   nv50->num_samplers[0] = nv50->num_samplers[1] = 0;
1272   nv50->num_samplers[2] = 2;
1273
1274   nv50->min_samples = 1;
1275
1276   ctx->saved.dirty_3d = nv50->dirty_3d;
1277
1278   nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_FB);
1279   nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_TEXTURES);
1280
1281   nv50->dirty_3d =
1282      NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_MIN_SAMPLES |
1283      NV50_NEW_3D_VERTPROG | NV50_NEW_3D_FRAGPROG | NV50_NEW_3D_GMTYPROG |
1284      NV50_NEW_3D_TEXTURES | NV50_NEW_3D_SAMPLERS | NV50_NEW_3D_WINDOW_RECTS;
1285}
1286
1287static void
1288nv50_blitctx_post_blit(struct nv50_blitctx *blit)
1289{
1290   struct nv50_context *nv50 = blit->nv50;
1291   int s;
1292
1293   pipe_surface_reference(&nv50->framebuffer.cbufs[0], NULL);
1294
1295   nv50->framebuffer.width = blit->saved.fb.width;
1296   nv50->framebuffer.height = blit->saved.fb.height;
1297   nv50->framebuffer.nr_cbufs = blit->saved.fb.nr_cbufs;
1298   nv50->framebuffer.cbufs[0] = blit->saved.fb.cbufs[0];
1299   nv50->framebuffer.zsbuf = blit->saved.fb.zsbuf;
1300
1301   nv50->rast = blit->saved.rast;
1302
1303   nv50->vertprog = blit->saved.vp;
1304   nv50->gmtyprog = blit->saved.gp;
1305   nv50->fragprog = blit->saved.fp;
1306
1307   nv50->min_samples = blit->saved.min_samples;
1308   nv50->window_rect = blit->saved.window_rect;
1309
1310   pipe_sampler_view_reference(&nv50->textures[2][0], NULL);
1311   pipe_sampler_view_reference(&nv50->textures[2][1], NULL);
1312
1313   for (s = 0; s < 3; ++s) {
1314      nv50->num_textures[s] = blit->saved.num_textures[s];
1315      nv50->num_samplers[s] = blit->saved.num_samplers[s];
1316   }
1317   nv50->textures[2][0] = blit->saved.texture[0];
1318   nv50->textures[2][1] = blit->saved.texture[1];
1319   nv50->samplers[2][0] = blit->saved.sampler[0];
1320   nv50->samplers[2][1] = blit->saved.sampler[1];
1321
1322   if (nv50->cond_query && !blit->render_condition_enable)
1323      nv50->base.pipe.render_condition(&nv50->base.pipe, nv50->cond_query,
1324                                       nv50->cond_cond, nv50->cond_mode);
1325
1326   nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_FB);
1327   nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_TEXTURES);
1328
1329   nv50->dirty_3d = blit->saved.dirty_3d |
1330      (NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR | NV50_NEW_3D_SAMPLE_MASK |
1331       NV50_NEW_3D_RASTERIZER | NV50_NEW_3D_ZSA | NV50_NEW_3D_BLEND |
1332       NV50_NEW_3D_TEXTURES | NV50_NEW_3D_SAMPLERS | NV50_NEW_3D_WINDOW_RECTS |
1333       NV50_NEW_3D_VERTPROG | NV50_NEW_3D_GMTYPROG | NV50_NEW_3D_FRAGPROG);
1334   nv50->scissors_dirty |= 1;
1335
1336   nv50->base.pipe.set_min_samples(&nv50->base.pipe, blit->saved.min_samples);
1337}
1338
1339
1340static void
1341nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
1342{
1343   struct nv50_blitctx *blit = nv50->blit;
1344   struct nouveau_pushbuf *push = nv50->base.pushbuf;
1345   struct pipe_resource *src = info->src.resource;
1346   struct pipe_resource *dst = info->dst.resource;
1347   int32_t minx, maxx, miny, maxy;
1348   int32_t i;
1349   float x0, x1, y0, y1, z;
1350   float dz;
1351   float x_range, y_range;
1352   float tri_x, tri_y;
1353
1354   blit->mode = nv50_blit_select_mode(info);
1355   blit->color_mask = nv50_blit_derive_color_mask(info);
1356   blit->filter = nv50_blit_get_filter(info);
1357   blit->render_condition_enable = info->render_condition_enable;
1358
1359   nv50_blit_select_fp(blit, info);
1360   nv50_blitctx_pre_blit(blit, info);
1361
1362   nv50_blit_set_dst(blit, dst, info->dst.level, -1, info->dst.format);
1363   nv50_blit_set_src(blit, src, info->src.level, -1, info->src.format,
1364                     blit->filter);
1365
1366   nv50_blitctx_prepare_state(blit);
1367
1368   nv50_state_validate_3d(nv50, ~0);
1369
1370   x_range = (float)info->src.box.width / (float)info->dst.box.width;
1371   y_range = (float)info->src.box.height / (float)info->dst.box.height;
1372
1373   tri_x = 16384 << nv50_miptree(dst)->ms_x;
1374   tri_y = 16384 << nv50_miptree(dst)->ms_y;
1375
1376   x0 = (float)info->src.box.x - x_range * (float)info->dst.box.x;
1377   y0 = (float)info->src.box.y - y_range * (float)info->dst.box.y;
1378
1379   x1 = x0 + tri_x * x_range;
1380   y1 = y0 + tri_y * y_range;
1381
1382   x0 *= (float)(1 << nv50_miptree(src)->ms_x);
1383   x1 *= (float)(1 << nv50_miptree(src)->ms_x);
1384   y0 *= (float)(1 << nv50_miptree(src)->ms_y);
1385   y1 *= (float)(1 << nv50_miptree(src)->ms_y);
1386
1387   /* XXX: multiply by 6 for cube arrays ? */
1388   dz = (float)info->src.box.depth / (float)info->dst.box.depth;
1389   z = (float)info->src.box.z;
1390   if (nv50_miptree(src)->layout_3d)
1391      z += 0.5f * dz;
1392
1393   if (src->last_level > 0) {
1394      /* If there are mip maps, GPU always assumes normalized coordinates. */
1395      const unsigned l = info->src.level;
1396      const float fh = u_minify(src->width0 << nv50_miptree(src)->ms_x, l);
1397      const float fv = u_minify(src->height0 << nv50_miptree(src)->ms_y, l);
1398      x0 /= fh;
1399      x1 /= fh;
1400      y0 /= fv;
1401      y1 /= fv;
1402      if (nv50_miptree(src)->layout_3d) {
1403         z /= u_minify(src->depth0, l);
1404         dz /= u_minify(src->depth0, l);
1405      }
1406   }
1407
1408   BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
1409   PUSH_DATA (push, 0);
1410   BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
1411   PUSH_DATA (push, 0x1);
1412
1413   /* Draw a large triangle in screen coordinates covering the whole
1414    * render target, with scissors defining the destination region.
1415    * The vertex is supplied with non-normalized texture coordinates
1416    * arranged in a way to yield the desired offset and scale.
1417    */
1418
1419   minx = info->dst.box.x;
1420   maxx = info->dst.box.x + info->dst.box.width;
1421   miny = info->dst.box.y;
1422   maxy = info->dst.box.y + info->dst.box.height;
1423   if (info->scissor_enable) {
1424      minx = MAX2(minx, info->scissor.minx);
1425      maxx = MIN2(maxx, info->scissor.maxx);
1426      miny = MAX2(miny, info->scissor.miny);
1427      maxy = MIN2(maxy, info->scissor.maxy);
1428   }
1429   BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
1430   PUSH_DATA (push, (maxx << 16) | minx);
1431   PUSH_DATA (push, (maxy << 16) | miny);
1432
1433   for (i = 0; i < info->dst.box.depth; ++i, z += dz) {
1434      if (info->dst.box.z + i) {
1435         BEGIN_NV04(push, NV50_3D(LAYER), 1);
1436         PUSH_DATA (push, info->dst.box.z + i);
1437      }
1438      PUSH_SPACE(push, 32);
1439      BEGIN_NV04(push, NV50_3D(VERTEX_BEGIN_GL), 1);
1440      PUSH_DATA (push, NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_TRIANGLES);
1441      BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
1442      PUSH_DATAf(push, x0);
1443      PUSH_DATAf(push, y0);
1444      PUSH_DATAf(push, z);
1445      BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
1446      PUSH_DATAf(push, 0.0f);
1447      PUSH_DATAf(push, 0.0f);
1448      BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
1449      PUSH_DATAf(push, x1);
1450      PUSH_DATAf(push, y0);
1451      PUSH_DATAf(push, z);
1452      BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
1453      PUSH_DATAf(push, tri_x);
1454      PUSH_DATAf(push, 0.0f);
1455      BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
1456      PUSH_DATAf(push, x0);
1457      PUSH_DATAf(push, y1);
1458      PUSH_DATAf(push, z);
1459      BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
1460      PUSH_DATAf(push, 0.0f);
1461      PUSH_DATAf(push, tri_y);
1462      BEGIN_NV04(push, NV50_3D(VERTEX_END_GL), 1);
1463      PUSH_DATA (push, 0);
1464   }
1465   if (info->dst.box.z + info->dst.box.depth - 1) {
1466      BEGIN_NV04(push, NV50_3D(LAYER), 1);
1467      PUSH_DATA (push, 0);
1468   }
1469
1470   /* re-enable normally constant state */
1471
1472   BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
1473   PUSH_DATA (push, 1);
1474
1475   nv50_blitctx_post_blit(blit);
1476}
1477
1478static void
1479nv50_blit_eng2d(struct nv50_context *nv50, const struct pipe_blit_info *info)
1480{
1481   struct nouveau_pushbuf *push = nv50->base.pushbuf;
1482   struct nv50_miptree *dst = nv50_miptree(info->dst.resource);
1483   struct nv50_miptree *src = nv50_miptree(info->src.resource);
1484   const int32_t srcx_adj = info->src.box.width < 0 ? -1 : 0;
1485   const int32_t srcy_adj = info->src.box.height < 0 ? -1 : 0;
1486   const int32_t dz = info->dst.box.z;
1487   const int32_t sz = info->src.box.z;
1488   uint32_t dstw, dsth;
1489   int32_t dstx, dsty;
1490   int64_t srcx, srcy;
1491   int64_t du_dx, dv_dy;
1492   int i;
1493   uint32_t mode;
1494   uint32_t mask = nv50_blit_eng2d_get_mask(info);
1495   bool b;
1496
1497   mode = nv50_blit_get_filter(info) ?
1498      NV50_2D_BLIT_CONTROL_FILTER_BILINEAR :
1499      NV50_2D_BLIT_CONTROL_FILTER_POINT_SAMPLE;
1500   mode |= (src->base.base.nr_samples > dst->base.base.nr_samples) ?
1501      NV50_2D_BLIT_CONTROL_ORIGIN_CORNER : NV50_2D_BLIT_CONTROL_ORIGIN_CENTER;
1502
1503   du_dx = ((int64_t)info->src.box.width << 32) / info->dst.box.width;
1504   dv_dy = ((int64_t)info->src.box.height << 32) / info->dst.box.height;
1505
1506   b = info->dst.format == info->src.format;
1507   nv50_2d_texture_set(push, 1, dst, info->dst.level, dz, info->dst.format, b);
1508   nv50_2d_texture_set(push, 0, src, info->src.level, sz, info->src.format, b);
1509
1510   if (info->scissor_enable) {
1511      BEGIN_NV04(push, NV50_2D(CLIP_X), 5);
1512      PUSH_DATA (push, info->scissor.minx << dst->ms_x);
1513      PUSH_DATA (push, info->scissor.miny << dst->ms_y);
1514      PUSH_DATA (push, (info->scissor.maxx - info->scissor.minx) << dst->ms_x);
1515      PUSH_DATA (push, (info->scissor.maxy - info->scissor.miny) << dst->ms_y);
1516      PUSH_DATA (push, 1); /* enable */
1517   }
1518
1519   if (nv50->cond_query && info->render_condition_enable) {
1520      BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
1521      PUSH_DATA (push, nv50->cond_condmode);
1522   }
1523
1524   if (mask != 0xffffffff) {
1525      BEGIN_NV04(push, NV50_2D(ROP), 1);
1526      PUSH_DATA (push, 0xca); /* DPSDxax */
1527      BEGIN_NV04(push, NV50_2D(PATTERN_COLOR_FORMAT), 1);
1528      PUSH_DATA (push, NV50_2D_PATTERN_COLOR_FORMAT_A8R8G8B8);
1529      BEGIN_NV04(push, NV50_2D(PATTERN_BITMAP_COLOR(0)), 4);
1530      PUSH_DATA (push, 0x00000000);
1531      PUSH_DATA (push, mask);
1532      PUSH_DATA (push, 0xffffffff);
1533      PUSH_DATA (push, 0xffffffff);
1534      BEGIN_NV04(push, NV50_2D(OPERATION), 1);
1535      PUSH_DATA (push, NV50_2D_OPERATION_ROP);
1536   } else
1537   if (info->src.format != info->dst.format) {
1538      if (info->src.format == PIPE_FORMAT_R8_UNORM ||
1539          info->src.format == PIPE_FORMAT_R16_UNORM ||
1540          info->src.format == PIPE_FORMAT_R16_FLOAT ||
1541          info->src.format == PIPE_FORMAT_R32_FLOAT) {
1542         mask = 0xffff0000; /* also makes condition for OPERATION reset true */
1543         BEGIN_NV04(push, NV50_2D(BETA4), 2);
1544         PUSH_DATA (push, mask);
1545         PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY_PREMULT);
1546      }
1547   }
1548
1549   if (src->ms_x > dst->ms_x || src->ms_y > dst->ms_y) {
1550      /* ms_x is always >= ms_y */
1551      du_dx <<= src->ms_x - dst->ms_x;
1552      dv_dy <<= src->ms_y - dst->ms_y;
1553   } else {
1554      du_dx >>= dst->ms_x - src->ms_x;
1555      dv_dy >>= dst->ms_y - src->ms_y;
1556   }
1557
1558   srcx = (int64_t)(info->src.box.x + srcx_adj) << (src->ms_x + 32);
1559   srcy = (int64_t)(info->src.box.y + srcy_adj) << (src->ms_y + 32);
1560
1561   if (src->base.base.nr_samples > dst->base.base.nr_samples) {
1562      /* center src coorinates for proper MS resolve filtering */
1563      srcx += (int64_t)1 << (src->ms_x + 31);
1564      srcy += (int64_t)1 << (src->ms_y + 31);
1565   }
1566
1567   dstx = info->dst.box.x << dst->ms_x;
1568   dsty = info->dst.box.y << dst->ms_y;
1569
1570   dstw = info->dst.box.width << dst->ms_x;
1571   dsth = info->dst.box.height << dst->ms_y;
1572
1573   if (dstx < 0) {
1574      dstw += dstx;
1575      srcx -= du_dx * dstx;
1576      dstx = 0;
1577   }
1578   if (dsty < 0) {
1579      dsth += dsty;
1580      srcy -= dv_dy * dsty;
1581      dsty = 0;
1582   }
1583
1584   BEGIN_NV04(push, NV50_2D(BLIT_CONTROL), 1);
1585   PUSH_DATA (push, mode);
1586   BEGIN_NV04(push, NV50_2D(BLIT_DST_X), 4);
1587   PUSH_DATA (push, dstx);
1588   PUSH_DATA (push, dsty);
1589   PUSH_DATA (push, dstw);
1590   PUSH_DATA (push, dsth);
1591   BEGIN_NV04(push, NV50_2D(BLIT_DU_DX_FRACT), 4);
1592   PUSH_DATA (push, du_dx);
1593   PUSH_DATA (push, du_dx >> 32);
1594   PUSH_DATA (push, dv_dy);
1595   PUSH_DATA (push, dv_dy >> 32);
1596
1597   BCTX_REFN(nv50->bufctx, 2D, &dst->base, WR);
1598   BCTX_REFN(nv50->bufctx, 2D, &src->base, RD);
1599   nouveau_pushbuf_bufctx(nv50->base.pushbuf, nv50->bufctx);
1600   if (nouveau_pushbuf_validate(nv50->base.pushbuf))
1601      return;
1602
1603   for (i = 0; i < info->dst.box.depth; ++i) {
1604      if (i > 0) {
1605         /* no scaling in z-direction possible for eng2d blits */
1606         if (dst->layout_3d) {
1607            BEGIN_NV04(push, NV50_2D(DST_LAYER), 1);
1608            PUSH_DATA (push, info->dst.box.z + i);
1609         } else {
1610            const unsigned z = info->dst.box.z + i;
1611            const uint64_t address = dst->base.address +
1612               dst->level[info->dst.level].offset +
1613               z * dst->layer_stride;
1614            BEGIN_NV04(push, NV50_2D(DST_ADDRESS_HIGH), 2);
1615            PUSH_DATAh(push, address);
1616            PUSH_DATA (push, address);
1617         }
1618         if (src->layout_3d) {
1619            /* not possible because of depth tiling */
1620            assert(0);
1621         } else {
1622            const unsigned z = info->src.box.z + i;
1623            const uint64_t address = src->base.address +
1624               src->level[info->src.level].offset +
1625               z * src->layer_stride;
1626            BEGIN_NV04(push, NV50_2D(SRC_ADDRESS_HIGH), 2);
1627            PUSH_DATAh(push, address);
1628            PUSH_DATA (push, address);
1629         }
1630         BEGIN_NV04(push, NV50_2D(BLIT_SRC_Y_INT), 1); /* trigger */
1631         PUSH_DATA (push, srcy >> 32);
1632      } else {
1633         BEGIN_NV04(push, NV50_2D(BLIT_SRC_X_FRACT), 4);
1634         PUSH_DATA (push, srcx);
1635         PUSH_DATA (push, srcx >> 32);
1636         PUSH_DATA (push, srcy);
1637         PUSH_DATA (push, srcy >> 32);
1638      }
1639   }
1640   nv50_bufctx_fence(nv50->bufctx, false);
1641
1642   nouveau_bufctx_reset(nv50->bufctx, NV50_BIND_2D);
1643
1644   if (info->scissor_enable) {
1645      BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
1646      PUSH_DATA (push, 0);
1647   }
1648   if (mask != 0xffffffff) {
1649      BEGIN_NV04(push, NV50_2D(OPERATION), 1);
1650      PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
1651   }
1652   if (nv50->cond_query && info->render_condition_enable) {
1653      BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
1654      PUSH_DATA (push, NV50_2D_COND_MODE_ALWAYS);
1655   }
1656}
1657
1658static void
1659nv50_blit(struct pipe_context *pipe, const struct pipe_blit_info *info)
1660{
1661   struct nv50_context *nv50 = nv50_context(pipe);
1662   struct nouveau_pushbuf *push = nv50->base.pushbuf;
1663   bool eng3d = FALSE;
1664
1665   if (util_format_is_depth_or_stencil(info->dst.resource->format)) {
1666      if (!(info->mask & PIPE_MASK_ZS))
1667         return;
1668      if (info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT ||
1669          info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
1670         eng3d = true;
1671      if (info->filter != PIPE_TEX_FILTER_NEAREST)
1672         eng3d = true;
1673   } else {
1674      if (!(info->mask & PIPE_MASK_RGBA))
1675         return;
1676      if (info->mask != PIPE_MASK_RGBA)
1677         eng3d = true;
1678   }
1679
1680   if (nv50_miptree(info->src.resource)->layout_3d) {
1681      eng3d = true;
1682   } else
1683   if (info->src.box.depth != info->dst.box.depth) {
1684      eng3d = true;
1685      debug_printf("blit: cannot filter array or cube textures in z direction");
1686   }
1687
1688   if (!eng3d && info->dst.format != info->src.format) {
1689      if (!nv50_2d_dst_format_faithful(info->dst.format) ||
1690          !nv50_2d_src_format_faithful(info->src.format)) {
1691         eng3d = true;
1692      } else
1693      if (!nv50_2d_src_format_faithful(info->src.format)) {
1694         if (!util_format_is_luminance(info->src.format)) {
1695            if (util_format_is_intensity(info->src.format))
1696               eng3d = true;
1697            else
1698            if (!nv50_2d_dst_format_ops_supported(info->dst.format))
1699               eng3d = true;
1700            else
1701               eng3d = !nv50_2d_format_supported(info->src.format);
1702         }
1703      } else
1704      if (util_format_is_luminance_alpha(info->src.format))
1705         eng3d = true;
1706   }
1707
1708   if (info->src.resource->nr_samples == 8 &&
1709       info->dst.resource->nr_samples <= 1)
1710      eng3d = true;
1711
1712   if (info->num_window_rectangles > 0 || info->window_rectangle_include)
1713      eng3d = true;
1714
1715   /* FIXME: can't make this work with eng2d anymore */
1716   if ((info->src.resource->nr_samples | 1) !=
1717       (info->dst.resource->nr_samples | 1))
1718      eng3d = true;
1719
1720   /* FIXME: find correct src coordinate adjustments */
1721   if ((info->src.box.width !=  info->dst.box.width &&
1722        info->src.box.width != -info->dst.box.width) ||
1723       (info->src.box.height !=  info->dst.box.height &&
1724        info->src.box.height != -info->dst.box.height))
1725      eng3d = true;
1726
1727   if (nv50->screen->num_occlusion_queries_active) {
1728      BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
1729      PUSH_DATA (push, 0);
1730   }
1731
1732   if (!eng3d)
1733      nv50_blit_eng2d(nv50, info);
1734   else
1735      nv50_blit_3d(nv50, info);
1736
1737   if (nv50->screen->num_occlusion_queries_active) {
1738      BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
1739      PUSH_DATA (push, 1);
1740   }
1741}
1742
1743static void
1744nv50_flush_resource(struct pipe_context *ctx,
1745                    struct pipe_resource *resource)
1746{
1747}
1748
1749bool
1750nv50_blitter_create(struct nv50_screen *screen)
1751{
1752   screen->blitter = CALLOC_STRUCT(nv50_blitter);
1753   if (!screen->blitter) {
1754      NOUVEAU_ERR("failed to allocate blitter struct\n");
1755      return false;
1756   }
1757
1758   pipe_mutex_init(screen->blitter->mutex);
1759
1760   nv50_blitter_make_vp(screen->blitter);
1761   nv50_blitter_make_sampler(screen->blitter);
1762
1763   return true;
1764}
1765
1766void
1767nv50_blitter_destroy(struct nv50_screen *screen)
1768{
1769   struct nv50_blitter *blitter = screen->blitter;
1770   unsigned i, m;
1771
1772   for (i = 0; i < NV50_BLIT_MAX_TEXTURE_TYPES; ++i) {
1773      for (m = 0; m < NV50_BLIT_MODES; ++m) {
1774         struct nv50_program *prog = blitter->fp[i][m];
1775         if (prog) {
1776            nv50_program_destroy(NULL, prog);
1777            FREE((void *)prog->pipe.tokens);
1778            FREE(prog);
1779         }
1780      }
1781   }
1782
1783   pipe_mutex_destroy(blitter->mutex);
1784   FREE(blitter);
1785}
1786
1787bool
1788nv50_blitctx_create(struct nv50_context *nv50)
1789{
1790   nv50->blit = CALLOC_STRUCT(nv50_blitctx);
1791   if (!nv50->blit) {
1792      NOUVEAU_ERR("failed to allocate blit context\n");
1793      return false;
1794   }
1795
1796   nv50->blit->nv50 = nv50;
1797
1798   nv50->blit->rast.pipe.half_pixel_center = 1;
1799
1800   return true;
1801}
1802
1803void
1804nv50_init_surface_functions(struct nv50_context *nv50)
1805{
1806   struct pipe_context *pipe = &nv50->base.pipe;
1807
1808   pipe->resource_copy_region = nv50_resource_copy_region;
1809   pipe->blit = nv50_blit;
1810   pipe->flush_resource = nv50_flush_resource;
1811   pipe->clear_texture = nv50_clear_texture;
1812   pipe->clear_render_target = nv50_clear_render_target;
1813   pipe->clear_depth_stencil = nv50_clear_depth_stencil;
1814   pipe->clear_buffer = nv50_clear_buffer;
1815}
1816