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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/format/u_format.h"
30 #include "util/u_surface.h"
31 
32 #include "tgsi/tgsi_ureg.h"
33 
34 #include "os/os_thread.h"
35 
36 #include "nvc0/nvc0_context.h"
37 #include "nvc0/nvc0_resource.h"
38 
39 #include "nv50/g80_defs.xml.h"
40 #include "nv50/g80_texture.xml.h"
41 
42 /* these are used in nv50_blit.h */
43 #define NV50_ENG2D_SUPPORTED_FORMATS 0xff9ccfe1cce3ccc9ULL
44 #define NV50_ENG2D_NOCONVERT_FORMATS 0x009cc02000000000ULL
45 #define NV50_ENG2D_LUMINANCE_FORMATS 0x001cc02000000000ULL
46 #define NV50_ENG2D_INTENSITY_FORMATS 0x0080000000000000ULL
47 #define NV50_ENG2D_OPERATION_FORMATS 0x060001c000638000ULL
48 
49 #define NOUVEAU_DRIVER 0xc0
50 #include "nv50/nv50_blit.h"
51 
52 static inline uint8_t
nvc0_2d_format(enum pipe_format format,bool dst,bool dst_src_equal)53 nvc0_2d_format(enum pipe_format format, bool dst, bool dst_src_equal)
54 {
55    uint8_t id = nvc0_format_table[format].rt;
56 
57    /* A8_UNORM is treated as I8_UNORM as far as the 2D engine is concerned. */
58    if (!dst && unlikely(format == PIPE_FORMAT_I8_UNORM) && !dst_src_equal)
59       return G80_SURFACE_FORMAT_A8_UNORM;
60 
61    /* Hardware values for color formats range from 0xc0 to 0xff,
62     * but the 2D engine doesn't support all of them.
63     */
64    if (nv50_2d_format_supported(format))
65       return id;
66    assert(dst_src_equal);
67 
68    switch (util_format_get_blocksize(format)) {
69    case 1:
70       return G80_SURFACE_FORMAT_R8_UNORM;
71    case 2:
72       return G80_SURFACE_FORMAT_RG8_UNORM;
73    case 4:
74       return G80_SURFACE_FORMAT_BGRA8_UNORM;
75    case 8:
76       return G80_SURFACE_FORMAT_RGBA16_UNORM;
77    case 16:
78       return G80_SURFACE_FORMAT_RGBA32_FLOAT;
79    default:
80       assert(0);
81       return 0;
82    }
83 }
84 
85 static int
nvc0_2d_texture_set(struct nouveau_pushbuf * push,bool dst,struct nv50_miptree * mt,unsigned level,unsigned layer,enum pipe_format pformat,bool dst_src_pformat_equal)86 nvc0_2d_texture_set(struct nouveau_pushbuf *push, bool dst,
87                     struct nv50_miptree *mt, unsigned level, unsigned layer,
88                     enum pipe_format pformat, bool dst_src_pformat_equal)
89 {
90    struct nouveau_bo *bo = mt->base.bo;
91    uint32_t width, height, depth;
92    uint32_t format;
93    uint32_t mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT;
94    uint32_t offset = mt->level[level].offset;
95 
96    format = nvc0_2d_format(pformat, dst, dst_src_pformat_equal);
97    if (!format) {
98       NOUVEAU_ERR("invalid/unsupported surface format: %s\n",
99                   util_format_name(pformat));
100       return 1;
101    }
102 
103    width = u_minify(mt->base.base.width0, level) << mt->ms_x;
104    height = u_minify(mt->base.base.height0, level) << mt->ms_y;
105    depth = u_minify(mt->base.base.depth0, level);
106 
107    /* layer has to be < depth, and depth > tile depth / 2 */
108 
109    if (!mt->layout_3d) {
110       offset += mt->layer_stride * layer;
111       layer = 0;
112       depth = 1;
113    } else
114    if (!dst) {
115       offset += nvc0_mt_zslice_offset(mt, level, layer);
116       layer = 0;
117    }
118 
119    if (!nouveau_bo_memtype(bo)) {
120       BEGIN_NVC0(push, SUBC_2D(mthd), 2);
121       PUSH_DATA (push, format);
122       PUSH_DATA (push, 1);
123       BEGIN_NVC0(push, SUBC_2D(mthd + 0x14), 5);
124       PUSH_DATA (push, mt->level[level].pitch);
125       PUSH_DATA (push, width);
126       PUSH_DATA (push, height);
127       PUSH_DATAh(push, bo->offset + offset);
128       PUSH_DATA (push, bo->offset + offset);
129    } else {
130       BEGIN_NVC0(push, SUBC_2D(mthd), 5);
131       PUSH_DATA (push, format);
132       PUSH_DATA (push, 0);
133       PUSH_DATA (push, mt->level[level].tile_mode);
134       PUSH_DATA (push, depth);
135       PUSH_DATA (push, layer);
136       BEGIN_NVC0(push, SUBC_2D(mthd + 0x18), 4);
137       PUSH_DATA (push, width);
138       PUSH_DATA (push, height);
139       PUSH_DATAh(push, bo->offset + offset);
140       PUSH_DATA (push, bo->offset + offset);
141    }
142 
143    if (dst) {
144       IMMED_NVC0(push, SUBC_2D(NVC0_2D_SET_DST_COLOR_RENDER_TO_ZETA_SURFACE),
145                  util_format_is_depth_or_stencil(pformat));
146    }
147 
148 #if 0
149    if (dst) {
150       BEGIN_NVC0(push, SUBC_2D(NVC0_2D_CLIP_X), 4);
151       PUSH_DATA (push, 0);
152       PUSH_DATA (push, 0);
153       PUSH_DATA (push, width);
154       PUSH_DATA (push, height);
155    }
156 #endif
157    return 0;
158 }
159 
160 static int
nvc0_2d_texture_do_copy(struct nouveau_pushbuf * push,struct nv50_miptree * dst,unsigned dst_level,unsigned dx,unsigned dy,unsigned dz,struct nv50_miptree * src,unsigned src_level,unsigned sx,unsigned sy,unsigned sz,unsigned w,unsigned h)161 nvc0_2d_texture_do_copy(struct nouveau_pushbuf *push,
162                         struct nv50_miptree *dst, unsigned dst_level,
163                         unsigned dx, unsigned dy, unsigned dz,
164                         struct nv50_miptree *src, unsigned src_level,
165                         unsigned sx, unsigned sy, unsigned sz,
166                         unsigned w, unsigned h)
167 {
168    const enum pipe_format dfmt = dst->base.base.format;
169    const enum pipe_format sfmt = src->base.base.format;
170    int ret;
171    bool eqfmt = dfmt == sfmt;
172 
173    if (!PUSH_SPACE(push, 2 * 16 + 32))
174       return PIPE_ERROR;
175 
176    ret = nvc0_2d_texture_set(push, true, dst, dst_level, dz, dfmt, eqfmt);
177    if (ret)
178       return ret;
179 
180    ret = nvc0_2d_texture_set(push, false, src, src_level, sz, sfmt, eqfmt);
181    if (ret)
182       return ret;
183 
184    IMMED_NVC0(push, NVC0_2D(BLIT_CONTROL), 0x00);
185    BEGIN_NVC0(push, NVC0_2D(BLIT_DST_X), 4);
186    PUSH_DATA (push, dx << dst->ms_x);
187    PUSH_DATA (push, dy << dst->ms_y);
188    PUSH_DATA (push, w << dst->ms_x);
189    PUSH_DATA (push, h << dst->ms_y);
190    BEGIN_NVC0(push, NVC0_2D(BLIT_DU_DX_FRACT), 4);
191    PUSH_DATA (push, 0);
192    PUSH_DATA (push, 1);
193    PUSH_DATA (push, 0);
194    PUSH_DATA (push, 1);
195    BEGIN_NVC0(push, NVC0_2D(BLIT_SRC_X_FRACT), 4);
196    PUSH_DATA (push, 0);
197    PUSH_DATA (push, sx << src->ms_x);
198    PUSH_DATA (push, 0);
199    PUSH_DATA (push, sy << src->ms_y);
200 
201    return 0;
202 }
203 
204 static void
nvc0_resource_copy_region(struct pipe_context * pipe,struct pipe_resource * dst,unsigned dst_level,unsigned dstx,unsigned dsty,unsigned dstz,struct pipe_resource * src,unsigned src_level,const struct pipe_box * src_box)205 nvc0_resource_copy_region(struct pipe_context *pipe,
206                           struct pipe_resource *dst, unsigned dst_level,
207                           unsigned dstx, unsigned dsty, unsigned dstz,
208                           struct pipe_resource *src, unsigned src_level,
209                           const struct pipe_box *src_box)
210 {
211    struct nvc0_context *nvc0 = nvc0_context(pipe);
212    int ret;
213    bool m2mf;
214    unsigned dst_layer = dstz, src_layer = src_box->z;
215 
216    if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
217       nouveau_copy_buffer(&nvc0->base,
218                           nv04_resource(dst), dstx,
219                           nv04_resource(src), src_box->x, src_box->width);
220       NOUVEAU_DRV_STAT(&nvc0->screen->base, buf_copy_bytes, src_box->width);
221       return;
222    }
223    NOUVEAU_DRV_STAT(&nvc0->screen->base, tex_copy_count, 1);
224 
225    /* 0 and 1 are equal, only supporting 0/1, 2, 4 and 8 */
226    assert((src->nr_samples | 1) == (dst->nr_samples | 1));
227 
228    m2mf = (src->format == dst->format) ||
229       (util_format_get_blocksizebits(src->format) ==
230        util_format_get_blocksizebits(dst->format));
231 
232    nv04_resource(dst)->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
233 
234    if (m2mf) {
235       struct nv50_miptree *src_mt = nv50_miptree(src);
236       struct nv50_miptree *dst_mt = nv50_miptree(dst);
237       struct nv50_m2mf_rect drect, srect;
238       unsigned i;
239       unsigned nx = util_format_get_nblocksx(src->format, src_box->width)
240          << src_mt->ms_x;
241       unsigned ny = util_format_get_nblocksy(src->format, src_box->height)
242          << src_mt->ms_y;
243 
244       nv50_m2mf_rect_setup(&drect, dst, dst_level, dstx, dsty, dstz);
245       nv50_m2mf_rect_setup(&srect, src, src_level,
246                            src_box->x, src_box->y, src_box->z);
247 
248       for (i = 0; i < src_box->depth; ++i) {
249          nvc0->m2mf_copy_rect(nvc0, &drect, &srect, nx, ny);
250 
251          if (dst_mt->layout_3d)
252             drect.z++;
253          else
254             drect.base += dst_mt->layer_stride;
255 
256          if (src_mt->layout_3d)
257             srect.z++;
258          else
259             srect.base += src_mt->layer_stride;
260       }
261       return;
262    }
263 
264    assert(nv50_2d_dst_format_faithful(dst->format));
265    assert(nv50_2d_src_format_faithful(src->format));
266 
267    BCTX_REFN(nvc0->bufctx, 2D, nv04_resource(src), RD);
268    BCTX_REFN(nvc0->bufctx, 2D, nv04_resource(dst), WR);
269    nouveau_pushbuf_bufctx(nvc0->base.pushbuf, nvc0->bufctx);
270    nouveau_pushbuf_validate(nvc0->base.pushbuf);
271 
272    for (; dst_layer < dstz + src_box->depth; ++dst_layer, ++src_layer) {
273       ret = nvc0_2d_texture_do_copy(nvc0->base.pushbuf,
274                                     nv50_miptree(dst), dst_level,
275                                     dstx, dsty, dst_layer,
276                                     nv50_miptree(src), src_level,
277                                     src_box->x, src_box->y, src_layer,
278                                     src_box->width, src_box->height);
279       if (ret)
280          break;
281    }
282    nouveau_bufctx_reset(nvc0->bufctx, 0);
283 }
284 
285 static void
nvc0_clear_render_target(struct pipe_context * pipe,struct pipe_surface * dst,const union pipe_color_union * color,unsigned dstx,unsigned dsty,unsigned width,unsigned height,bool render_condition_enabled)286 nvc0_clear_render_target(struct pipe_context *pipe,
287                          struct pipe_surface *dst,
288                          const union pipe_color_union *color,
289                          unsigned dstx, unsigned dsty,
290                          unsigned width, unsigned height,
291                          bool render_condition_enabled)
292 {
293    struct nvc0_context *nvc0 = nvc0_context(pipe);
294    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
295    struct nv50_surface *sf = nv50_surface(dst);
296    struct nv04_resource *res = nv04_resource(sf->base.texture);
297    unsigned z;
298 
299    assert(dst->texture->target != PIPE_BUFFER);
300 
301    if (!PUSH_SPACE(push, 32 + sf->depth))
302       return;
303 
304    PUSH_REFN (push, res->bo, res->domain | NOUVEAU_BO_WR);
305 
306    BEGIN_NVC0(push, NVC0_3D(CLEAR_COLOR(0)), 4);
307    PUSH_DATAf(push, color->f[0]);
308    PUSH_DATAf(push, color->f[1]);
309    PUSH_DATAf(push, color->f[2]);
310    PUSH_DATAf(push, color->f[3]);
311 
312    BEGIN_NVC0(push, NVC0_3D(SCREEN_SCISSOR_HORIZ), 2);
313    PUSH_DATA (push, ( width << 16) | dstx);
314    PUSH_DATA (push, (height << 16) | dsty);
315 
316    BEGIN_NVC0(push, NVC0_3D(RT_CONTROL), 1);
317    PUSH_DATA (push, 1);
318    BEGIN_NVC0(push, NVC0_3D(RT_ADDRESS_HIGH(0)), 9);
319    PUSH_DATAh(push, res->address + sf->offset);
320    PUSH_DATA (push, res->address + sf->offset);
321    if (likely(nouveau_bo_memtype(res->bo))) {
322       struct nv50_miptree *mt = nv50_miptree(dst->texture);
323 
324       PUSH_DATA(push, sf->width);
325       PUSH_DATA(push, sf->height);
326       PUSH_DATA(push, nvc0_format_table[dst->format].rt);
327       PUSH_DATA(push, (mt->layout_3d << 16) |
328                mt->level[sf->base.u.tex.level].tile_mode);
329       PUSH_DATA(push, dst->u.tex.first_layer + sf->depth);
330       PUSH_DATA(push, mt->layer_stride >> 2);
331       PUSH_DATA(push, dst->u.tex.first_layer);
332       IMMED_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), mt->ms_mode);
333    } else {
334       if (res->base.target == PIPE_BUFFER) {
335          PUSH_DATA(push, 262144);
336          PUSH_DATA(push, 1);
337       } else {
338          PUSH_DATA(push, nv50_miptree(&res->base)->level[0].pitch);
339          PUSH_DATA(push, sf->height);
340       }
341       PUSH_DATA(push, nvc0_format_table[sf->base.format].rt);
342       PUSH_DATA(push, 1 << 12);
343       PUSH_DATA(push, 1);
344       PUSH_DATA(push, 0);
345       PUSH_DATA(push, 0);
346 
347       IMMED_NVC0(push, NVC0_3D(ZETA_ENABLE), 0);
348       IMMED_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), 0);
349 
350       /* tiled textures don't have to be fenced, they're not mapped directly */
351       nvc0_resource_fence(res, NOUVEAU_BO_WR);
352    }
353 
354    if (!render_condition_enabled)
355       IMMED_NVC0(push, NVC0_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS);
356 
357    BEGIN_NIC0(push, NVC0_3D(CLEAR_BUFFERS), sf->depth);
358    for (z = 0; z < sf->depth; ++z) {
359       PUSH_DATA (push, 0x3c |
360                  (z << NVC0_3D_CLEAR_BUFFERS_LAYER__SHIFT));
361    }
362 
363    if (!render_condition_enabled)
364       IMMED_NVC0(push, NVC0_3D(COND_MODE), nvc0->cond_condmode);
365 
366    nvc0->dirty_3d |= NVC0_NEW_3D_FRAMEBUFFER;
367 }
368 
369 static void
nvc0_clear_buffer_push_nvc0(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size,const void * data,int data_size)370 nvc0_clear_buffer_push_nvc0(struct pipe_context *pipe,
371                             struct pipe_resource *res,
372                             unsigned offset, unsigned size,
373                             const void *data, int data_size)
374 {
375    struct nvc0_context *nvc0 = nvc0_context(pipe);
376    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
377    struct nv04_resource *buf = nv04_resource(res);
378    unsigned i;
379 
380    nouveau_bufctx_refn(nvc0->bufctx, 0, buf->bo, buf->domain | NOUVEAU_BO_WR);
381    nouveau_pushbuf_bufctx(push, nvc0->bufctx);
382    nouveau_pushbuf_validate(push);
383 
384    unsigned count = (size + 3) / 4;
385    unsigned data_words = data_size / 4;
386 
387    while (count) {
388       unsigned nr_data = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN) / data_words;
389       unsigned nr = nr_data * data_words;
390 
391       if (!PUSH_SPACE(push, nr + 9))
392          break;
393 
394       BEGIN_NVC0(push, NVC0_M2MF(OFFSET_OUT_HIGH), 2);
395       PUSH_DATAh(push, buf->address + offset);
396       PUSH_DATA (push, buf->address + offset);
397       BEGIN_NVC0(push, NVC0_M2MF(LINE_LENGTH_IN), 2);
398       PUSH_DATA (push, MIN2(size, nr * 4));
399       PUSH_DATA (push, 1);
400       BEGIN_NVC0(push, NVC0_M2MF(EXEC), 1);
401       PUSH_DATA (push, 0x100111);
402 
403       /* must not be interrupted (trap on QUERY fence, 0x50 works however) */
404       BEGIN_NIC0(push, NVC0_M2MF(DATA), nr);
405       for (i = 0; i < nr_data; i++)
406          PUSH_DATAp(push, data, data_words);
407 
408       count -= nr;
409       offset += nr * 4;
410       size -= nr * 4;
411    }
412 
413    nvc0_resource_validate(buf, NOUVEAU_BO_WR);
414 
415    nouveau_bufctx_reset(nvc0->bufctx, 0);
416 }
417 
418 static void
nvc0_clear_buffer_push_nve4(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size,const void * data,int data_size)419 nvc0_clear_buffer_push_nve4(struct pipe_context *pipe,
420                             struct pipe_resource *res,
421                             unsigned offset, unsigned size,
422                             const void *data, int data_size)
423 {
424    struct nvc0_context *nvc0 = nvc0_context(pipe);
425    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
426    struct nv04_resource *buf = nv04_resource(res);
427    unsigned i;
428 
429    nouveau_bufctx_refn(nvc0->bufctx, 0, buf->bo, buf->domain | NOUVEAU_BO_WR);
430    nouveau_pushbuf_bufctx(push, nvc0->bufctx);
431    nouveau_pushbuf_validate(push);
432 
433    unsigned count = (size + 3) / 4;
434    unsigned data_words = data_size / 4;
435 
436    while (count) {
437       unsigned nr_data = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN) / data_words;
438       unsigned nr = nr_data * data_words;
439 
440       if (!PUSH_SPACE(push, nr + 10))
441          break;
442 
443       BEGIN_NVC0(push, NVE4_P2MF(UPLOAD_DST_ADDRESS_HIGH), 2);
444       PUSH_DATAh(push, buf->address + offset);
445       PUSH_DATA (push, buf->address + offset);
446       BEGIN_NVC0(push, NVE4_P2MF(UPLOAD_LINE_LENGTH_IN), 2);
447       PUSH_DATA (push, MIN2(size, nr * 4));
448       PUSH_DATA (push, 1);
449       /* must not be interrupted (trap on QUERY fence, 0x50 works however) */
450       BEGIN_1IC0(push, NVE4_P2MF(UPLOAD_EXEC), nr + 1);
451       PUSH_DATA (push, 0x1001);
452       for (i = 0; i < nr_data; i++)
453          PUSH_DATAp(push, data, data_words);
454 
455       count -= nr;
456       offset += nr * 4;
457       size -= nr * 4;
458    }
459 
460    nvc0_resource_validate(buf, NOUVEAU_BO_WR);
461 
462    nouveau_bufctx_reset(nvc0->bufctx, 0);
463 }
464 
465 static void
nvc0_clear_buffer_push(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size,const void * data,int data_size)466 nvc0_clear_buffer_push(struct pipe_context *pipe,
467                        struct pipe_resource *res,
468                        unsigned offset, unsigned size,
469                        const void *data, int data_size)
470 {
471    struct nvc0_context *nvc0 = nvc0_context(pipe);
472    unsigned tmp;
473 
474    if (data_size == 1) {
475       tmp = *(unsigned char *)data;
476       tmp = (tmp << 24) | (tmp << 16) | (tmp << 8) | tmp;
477       data = &tmp;
478       data_size = 4;
479    } else if (data_size == 2) {
480       tmp = *(unsigned short *)data;
481       tmp = (tmp << 16) | tmp;
482       data = &tmp;
483       data_size = 4;
484    }
485 
486    if (nvc0->screen->base.class_3d < NVE4_3D_CLASS)
487       nvc0_clear_buffer_push_nvc0(pipe, res, offset, size, data, data_size);
488    else
489       nvc0_clear_buffer_push_nve4(pipe, res, offset, size, data, data_size);
490 }
491 
492 static void
nvc0_clear_buffer(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size,const void * data,int data_size)493 nvc0_clear_buffer(struct pipe_context *pipe,
494                   struct pipe_resource *res,
495                   unsigned offset, unsigned size,
496                   const void *data, int data_size)
497 {
498    struct nvc0_context *nvc0 = nvc0_context(pipe);
499    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
500    struct nv04_resource *buf = nv04_resource(res);
501    union pipe_color_union color;
502    enum pipe_format dst_fmt;
503    unsigned width, height, elements;
504 
505    assert(res->target == PIPE_BUFFER);
506    assert(nouveau_bo_memtype(buf->bo) == 0);
507 
508    switch (data_size) {
509    case 16:
510       dst_fmt = PIPE_FORMAT_R32G32B32A32_UINT;
511       memcpy(&color.ui, data, 16);
512       break;
513    case 12:
514       /* RGB32 is not a valid RT format. This will be handled by the pushbuf
515        * uploader.
516        */
517       dst_fmt = PIPE_FORMAT_NONE; /* Init dst_fmt to silence gcc warning */
518       break;
519    case 8:
520       dst_fmt = PIPE_FORMAT_R32G32_UINT;
521       memcpy(&color.ui, data, 8);
522       memset(&color.ui[2], 0, 8);
523       break;
524    case 4:
525       dst_fmt = PIPE_FORMAT_R32_UINT;
526       memcpy(&color.ui, data, 4);
527       memset(&color.ui[1], 0, 12);
528       break;
529    case 2:
530       dst_fmt = PIPE_FORMAT_R16_UINT;
531       color.ui[0] = util_cpu_to_le32(
532             util_le16_to_cpu(*(unsigned short *)data));
533       memset(&color.ui[1], 0, 12);
534       break;
535    case 1:
536       dst_fmt = PIPE_FORMAT_R8_UINT;
537       color.ui[0] = util_cpu_to_le32(*(unsigned char *)data);
538       memset(&color.ui[1], 0, 12);
539       break;
540    default:
541       assert(!"Unsupported element size");
542       return;
543    }
544 
545    util_range_add(&buf->base, &buf->valid_buffer_range, offset, offset + size);
546 
547    assert(size % data_size == 0);
548 
549    if (data_size == 12) {
550       nvc0_clear_buffer_push(pipe, res, offset, size, data, data_size);
551       return;
552    }
553 
554    if (offset & 0xff) {
555       unsigned fixup_size = MIN2(size, align(offset, 0x100) - offset);
556       assert(fixup_size % data_size == 0);
557       nvc0_clear_buffer_push(pipe, res, offset, fixup_size, data, data_size);
558       offset += fixup_size;
559       size -= fixup_size;
560       if (!size)
561          return;
562    }
563 
564    elements = size / data_size;
565    height = (elements + 16383) / 16384;
566    width = elements / height;
567    if (height > 1)
568       width &= ~0xff;
569    assert(width > 0);
570 
571    if (!PUSH_SPACE(push, 40))
572       return;
573 
574    PUSH_REFN (push, buf->bo, buf->domain | NOUVEAU_BO_WR);
575 
576    BEGIN_NVC0(push, NVC0_3D(CLEAR_COLOR(0)), 4);
577    PUSH_DATA (push, color.ui[0]);
578    PUSH_DATA (push, color.ui[1]);
579    PUSH_DATA (push, color.ui[2]);
580    PUSH_DATA (push, color.ui[3]);
581    BEGIN_NVC0(push, NVC0_3D(SCREEN_SCISSOR_HORIZ), 2);
582    PUSH_DATA (push, width << 16);
583    PUSH_DATA (push, height << 16);
584 
585    IMMED_NVC0(push, NVC0_3D(RT_CONTROL), 1);
586 
587    BEGIN_NVC0(push, NVC0_3D(RT_ADDRESS_HIGH(0)), 9);
588    PUSH_DATAh(push, buf->address + offset);
589    PUSH_DATA (push, buf->address + offset);
590    PUSH_DATA (push, align(width * data_size, 0x100));
591    PUSH_DATA (push, height);
592    PUSH_DATA (push, nvc0_format_table[dst_fmt].rt);
593    PUSH_DATA (push, NVC0_3D_RT_TILE_MODE_LINEAR);
594    PUSH_DATA (push, 1);
595    PUSH_DATA (push, 0);
596    PUSH_DATA (push, 0);
597 
598    IMMED_NVC0(push, NVC0_3D(ZETA_ENABLE), 0);
599    IMMED_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), 0);
600 
601    IMMED_NVC0(push, NVC0_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS);
602 
603    IMMED_NVC0(push, NVC0_3D(CLEAR_BUFFERS), 0x3c);
604 
605    IMMED_NVC0(push, NVC0_3D(COND_MODE), nvc0->cond_condmode);
606 
607    nvc0_resource_validate(buf, NOUVEAU_BO_WR);
608 
609    if (width * height != elements) {
610       offset += width * height * data_size;
611       width = elements - width * height;
612       nvc0_clear_buffer_push(pipe, res, offset, width * data_size,
613                              data, data_size);
614    }
615 
616    nvc0->dirty_3d |= NVC0_NEW_3D_FRAMEBUFFER;
617 }
618 
619 static void
nvc0_clear_depth_stencil(struct pipe_context * pipe,struct pipe_surface * dst,unsigned clear_flags,double depth,unsigned stencil,unsigned dstx,unsigned dsty,unsigned width,unsigned height,bool render_condition_enabled)620 nvc0_clear_depth_stencil(struct pipe_context *pipe,
621                          struct pipe_surface *dst,
622                          unsigned clear_flags,
623                          double depth,
624                          unsigned stencil,
625                          unsigned dstx, unsigned dsty,
626                          unsigned width, unsigned height,
627                          bool render_condition_enabled)
628 {
629    struct nvc0_context *nvc0 = nvc0_context(pipe);
630    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
631    struct nv50_miptree *mt = nv50_miptree(dst->texture);
632    struct nv50_surface *sf = nv50_surface(dst);
633    uint32_t mode = 0;
634    int unk = mt->base.base.target == PIPE_TEXTURE_2D;
635    unsigned z;
636 
637    assert(dst->texture->target != PIPE_BUFFER);
638 
639    if (!PUSH_SPACE(push, 32 + sf->depth))
640       return;
641 
642    PUSH_REFN (push, mt->base.bo, mt->base.domain | NOUVEAU_BO_WR);
643 
644    if (clear_flags & PIPE_CLEAR_DEPTH) {
645       BEGIN_NVC0(push, NVC0_3D(CLEAR_DEPTH), 1);
646       PUSH_DATAf(push, depth);
647       mode |= NVC0_3D_CLEAR_BUFFERS_Z;
648    }
649 
650    if (clear_flags & PIPE_CLEAR_STENCIL) {
651       BEGIN_NVC0(push, NVC0_3D(CLEAR_STENCIL), 1);
652       PUSH_DATA (push, stencil & 0xff);
653       mode |= NVC0_3D_CLEAR_BUFFERS_S;
654    }
655 
656    BEGIN_NVC0(push, NVC0_3D(SCREEN_SCISSOR_HORIZ), 2);
657    PUSH_DATA (push, ( width << 16) | dstx);
658    PUSH_DATA (push, (height << 16) | dsty);
659 
660    BEGIN_NVC0(push, NVC0_3D(ZETA_ADDRESS_HIGH), 5);
661    PUSH_DATAh(push, mt->base.address + sf->offset);
662    PUSH_DATA (push, mt->base.address + sf->offset);
663    PUSH_DATA (push, nvc0_format_table[dst->format].rt);
664    PUSH_DATA (push, mt->level[sf->base.u.tex.level].tile_mode);
665    PUSH_DATA (push, mt->layer_stride >> 2);
666    BEGIN_NVC0(push, NVC0_3D(ZETA_ENABLE), 1);
667    PUSH_DATA (push, 1);
668    BEGIN_NVC0(push, NVC0_3D(ZETA_HORIZ), 3);
669    PUSH_DATA (push, sf->width);
670    PUSH_DATA (push, sf->height);
671    PUSH_DATA (push, (unk << 16) | (dst->u.tex.first_layer + sf->depth));
672    BEGIN_NVC0(push, NVC0_3D(ZETA_BASE_LAYER), 1);
673    PUSH_DATA (push, dst->u.tex.first_layer);
674    IMMED_NVC0(push, NVC0_3D(MULTISAMPLE_MODE), mt->ms_mode);
675 
676    if (!render_condition_enabled)
677       IMMED_NVC0(push, NVC0_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS);
678 
679    BEGIN_NIC0(push, NVC0_3D(CLEAR_BUFFERS), sf->depth);
680    for (z = 0; z < sf->depth; ++z) {
681       PUSH_DATA (push, mode |
682                  (z << NVC0_3D_CLEAR_BUFFERS_LAYER__SHIFT));
683    }
684 
685    if (!render_condition_enabled)
686       IMMED_NVC0(push, NVC0_3D(COND_MODE), nvc0->cond_condmode);
687 
688    nvc0->dirty_3d |= NVC0_NEW_3D_FRAMEBUFFER;
689 }
690 
691 void
nvc0_clear(struct pipe_context * pipe,unsigned buffers,const struct pipe_scissor_state * scissor_state,const union pipe_color_union * color,double depth,unsigned stencil)692 nvc0_clear(struct pipe_context *pipe, unsigned buffers,
693            const struct pipe_scissor_state *scissor_state,
694            const union pipe_color_union *color,
695            double depth, unsigned stencil)
696 {
697    struct nvc0_context *nvc0 = nvc0_context(pipe);
698    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
699    struct pipe_framebuffer_state *fb = &nvc0->framebuffer;
700    unsigned i, j, k;
701    uint32_t mode = 0;
702 
703    /* don't need NEW_BLEND, COLOR_MASK doesn't affect CLEAR_BUFFERS */
704    if (!nvc0_state_validate_3d(nvc0, NVC0_NEW_3D_FRAMEBUFFER))
705       return;
706 
707    if (buffers & PIPE_CLEAR_COLOR && fb->nr_cbufs) {
708       BEGIN_NVC0(push, NVC0_3D(CLEAR_COLOR(0)), 4);
709       PUSH_DATAf(push, color->f[0]);
710       PUSH_DATAf(push, color->f[1]);
711       PUSH_DATAf(push, color->f[2]);
712       PUSH_DATAf(push, color->f[3]);
713       if (buffers & PIPE_CLEAR_COLOR0)
714          mode =
715             NVC0_3D_CLEAR_BUFFERS_R | NVC0_3D_CLEAR_BUFFERS_G |
716             NVC0_3D_CLEAR_BUFFERS_B | NVC0_3D_CLEAR_BUFFERS_A;
717    }
718 
719    if (buffers & PIPE_CLEAR_DEPTH) {
720       BEGIN_NVC0(push, NVC0_3D(CLEAR_DEPTH), 1);
721       PUSH_DATA (push, fui(depth));
722       mode |= NVC0_3D_CLEAR_BUFFERS_Z;
723    }
724 
725    if (buffers & PIPE_CLEAR_STENCIL) {
726       BEGIN_NVC0(push, NVC0_3D(CLEAR_STENCIL), 1);
727       PUSH_DATA (push, stencil & 0xff);
728       mode |= NVC0_3D_CLEAR_BUFFERS_S;
729    }
730 
731    if (mode) {
732       int zs_layers = 0, color0_layers = 0;
733       if (fb->cbufs[0] && (mode & 0x3c))
734          color0_layers = fb->cbufs[0]->u.tex.last_layer -
735             fb->cbufs[0]->u.tex.first_layer + 1;
736       if (fb->zsbuf && (mode & ~0x3c))
737          zs_layers = fb->zsbuf->u.tex.last_layer -
738             fb->zsbuf->u.tex.first_layer + 1;
739 
740       for (j = 0; j < MIN2(zs_layers, color0_layers); j++) {
741          BEGIN_NVC0(push, NVC0_3D(CLEAR_BUFFERS), 1);
742          PUSH_DATA(push, mode | (j << NVC0_3D_CLEAR_BUFFERS_LAYER__SHIFT));
743       }
744       for (k = j; k < zs_layers; k++) {
745          BEGIN_NVC0(push, NVC0_3D(CLEAR_BUFFERS), 1);
746          PUSH_DATA(push, (mode & ~0x3c) | (k << NVC0_3D_CLEAR_BUFFERS_LAYER__SHIFT));
747       }
748       for (k = j; k < color0_layers; k++) {
749          BEGIN_NVC0(push, NVC0_3D(CLEAR_BUFFERS), 1);
750          PUSH_DATA(push, (mode & 0x3c) | (k << NVC0_3D_CLEAR_BUFFERS_LAYER__SHIFT));
751       }
752    }
753 
754    for (i = 1; i < fb->nr_cbufs; i++) {
755       struct pipe_surface *sf = fb->cbufs[i];
756       if (!sf || !(buffers & (PIPE_CLEAR_COLOR0 << i)))
757          continue;
758       for (j = 0; j <= sf->u.tex.last_layer - sf->u.tex.first_layer; j++) {
759          BEGIN_NVC0(push, NVC0_3D(CLEAR_BUFFERS), 1);
760          PUSH_DATA (push, (i << 6) | 0x3c |
761                     (j << NVC0_3D_CLEAR_BUFFERS_LAYER__SHIFT));
762       }
763    }
764 }
765 
766 static void
gm200_evaluate_depth_buffer(struct pipe_context * pipe)767 gm200_evaluate_depth_buffer(struct pipe_context *pipe)
768 {
769    struct nvc0_context *nvc0 = nvc0_context(pipe);
770    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
771 
772    nvc0_state_validate_3d(nvc0, NVC0_NEW_3D_FRAMEBUFFER);
773    IMMED_NVC0(push, SUBC_3D(0x11fc), 1);
774 }
775 
776 
777 /* =============================== BLIT CODE ===================================
778  */
779 
780 struct nvc0_blitter
781 {
782    struct nvc0_program *fp[NV50_BLIT_MAX_TEXTURE_TYPES][NV50_BLIT_MODES];
783    struct nvc0_program *vp;
784 
785    struct nv50_tsc_entry sampler[2]; /* nearest, bilinear */
786 
787    mtx_t mutex;
788 
789    struct nvc0_screen *screen;
790 };
791 
792 struct nvc0_blitctx
793 {
794    struct nvc0_context *nvc0;
795    struct nvc0_program *fp;
796    struct nvc0_program *vp;
797    uint8_t mode;
798    uint16_t color_mask;
799    uint8_t filter;
800    uint8_t render_condition_enable;
801    enum pipe_texture_target target;
802    struct {
803       struct pipe_framebuffer_state fb;
804       struct nvc0_window_rect_stateobj window_rect;
805       struct nvc0_rasterizer_stateobj *rast;
806       struct nvc0_program *vp;
807       struct nvc0_program *tcp;
808       struct nvc0_program *tep;
809       struct nvc0_program *gp;
810       struct nvc0_program *fp;
811       unsigned num_textures[5];
812       unsigned num_samplers[5];
813       struct pipe_sampler_view *texture[2];
814       struct nv50_tsc_entry *sampler[2];
815       unsigned min_samples;
816       uint32_t dirty_3d;
817    } saved;
818    struct nvc0_rasterizer_stateobj rast;
819 };
820 
821 static void *
nvc0_blitter_make_vp(struct pipe_context * pipe)822 nvc0_blitter_make_vp(struct pipe_context *pipe)
823 {
824    struct ureg_program *ureg;
825    struct ureg_src ipos, itex;
826    struct ureg_dst opos, otex;
827 
828    ureg = ureg_create(PIPE_SHADER_VERTEX);
829    if (!ureg)
830       return NULL;
831 
832    opos = ureg_DECL_output(ureg, TGSI_SEMANTIC_POSITION, 0);
833    ipos = ureg_DECL_vs_input(ureg, 0);
834    otex = ureg_DECL_output(ureg, TGSI_SEMANTIC_GENERIC, 0);
835    itex = ureg_DECL_vs_input(ureg, 1);
836 
837    ureg_MOV(ureg, ureg_writemask(opos, TGSI_WRITEMASK_XY ), ipos);
838    ureg_MOV(ureg, ureg_writemask(otex, TGSI_WRITEMASK_XYZ), itex);
839    ureg_END(ureg);
840 
841    return ureg_create_shader_and_destroy(ureg, pipe);
842 }
843 
844 static void
nvc0_blitter_make_sampler(struct nvc0_blitter * blit)845 nvc0_blitter_make_sampler(struct nvc0_blitter *blit)
846 {
847    /* clamp to edge, min/max lod = 0, nearest filtering */
848 
849    blit->sampler[0].id = -1;
850 
851    blit->sampler[0].tsc[0] = G80_TSC_0_SRGB_CONVERSION |
852       (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_U__SHIFT) |
853       (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_V__SHIFT) |
854       (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_P__SHIFT);
855    blit->sampler[0].tsc[1] =
856       G80_TSC_1_MAG_FILTER_NEAREST |
857       G80_TSC_1_MIN_FILTER_NEAREST |
858       G80_TSC_1_MIP_FILTER_NONE;
859 
860    /* clamp to edge, min/max lod = 0, bilinear filtering */
861 
862    blit->sampler[1].id = -1;
863 
864    blit->sampler[1].tsc[0] = blit->sampler[0].tsc[0];
865    blit->sampler[1].tsc[1] =
866       G80_TSC_1_MAG_FILTER_LINEAR |
867       G80_TSC_1_MIN_FILTER_LINEAR |
868       G80_TSC_1_MIP_FILTER_NONE;
869 }
870 
871 static void
nvc0_blit_select_vp(struct nvc0_blitctx * ctx)872 nvc0_blit_select_vp(struct nvc0_blitctx *ctx)
873 {
874    struct nvc0_blitter *blitter = ctx->nvc0->screen->blitter;
875 
876    if (!blitter->vp) {
877       mtx_lock(&blitter->mutex);
878       if (!blitter->vp)
879          blitter->vp = nvc0_blitter_make_vp(&ctx->nvc0->base.pipe);
880       mtx_unlock(&blitter->mutex);
881    }
882    ctx->vp = blitter->vp;
883 }
884 
885 static void
nvc0_blit_select_fp(struct nvc0_blitctx * ctx,const struct pipe_blit_info * info)886 nvc0_blit_select_fp(struct nvc0_blitctx *ctx, const struct pipe_blit_info *info)
887 {
888    struct nvc0_blitter *blitter = ctx->nvc0->screen->blitter;
889 
890    const enum pipe_texture_target ptarg =
891       nv50_blit_reinterpret_pipe_texture_target(info->src.resource->target);
892 
893    const unsigned targ = nv50_blit_texture_type(ptarg);
894    const unsigned mode = ctx->mode;
895 
896    if (!blitter->fp[targ][mode]) {
897       mtx_lock(&blitter->mutex);
898       if (!blitter->fp[targ][mode])
899          blitter->fp[targ][mode] =
900             nv50_blitter_make_fp(&ctx->nvc0->base.pipe, mode, ptarg);
901       mtx_unlock(&blitter->mutex);
902    }
903    ctx->fp = blitter->fp[targ][mode];
904 }
905 
906 static void
nvc0_blit_set_dst(struct nvc0_blitctx * ctx,struct pipe_resource * res,unsigned level,unsigned layer,enum pipe_format format)907 nvc0_blit_set_dst(struct nvc0_blitctx *ctx,
908                   struct pipe_resource *res, unsigned level, unsigned layer,
909                   enum pipe_format format)
910 {
911    struct nvc0_context *nvc0 = ctx->nvc0;
912    struct pipe_context *pipe = &nvc0->base.pipe;
913    struct pipe_surface templ;
914 
915    if (util_format_is_depth_or_stencil(format))
916       templ.format = nv50_blit_zeta_to_colour_format(format);
917    else
918       templ.format = format;
919 
920    templ.u.tex.level = level;
921    templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
922 
923    if (layer == -1) {
924       templ.u.tex.first_layer = 0;
925       templ.u.tex.last_layer =
926          (res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
927    }
928 
929    nvc0->framebuffer.cbufs[0] = nvc0_miptree_surface_new(pipe, res, &templ);
930    nvc0->framebuffer.nr_cbufs = 1;
931    nvc0->framebuffer.zsbuf = NULL;
932    nvc0->framebuffer.width = nvc0->framebuffer.cbufs[0]->width;
933    nvc0->framebuffer.height = nvc0->framebuffer.cbufs[0]->height;
934 }
935 
936 static void
nvc0_blit_set_src(struct nvc0_blitctx * ctx,struct pipe_resource * res,unsigned level,unsigned layer,enum pipe_format format,const uint8_t filter)937 nvc0_blit_set_src(struct nvc0_blitctx *ctx,
938                   struct pipe_resource *res, unsigned level, unsigned layer,
939                   enum pipe_format format, const uint8_t filter)
940 {
941    struct nvc0_context *nvc0 = ctx->nvc0;
942    struct pipe_context *pipe = &nvc0->base.pipe;
943    struct pipe_sampler_view templ;
944    uint32_t flags;
945    unsigned s;
946    enum pipe_texture_target target;
947 
948    target = nv50_blit_reinterpret_pipe_texture_target(res->target);
949 
950    templ.format = format;
951    templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
952    templ.u.tex.first_level = templ.u.tex.last_level = level;
953    templ.swizzle_r = PIPE_SWIZZLE_X;
954    templ.swizzle_g = PIPE_SWIZZLE_Y;
955    templ.swizzle_b = PIPE_SWIZZLE_Z;
956    templ.swizzle_a = PIPE_SWIZZLE_W;
957 
958    if (layer == -1) {
959       templ.u.tex.first_layer = 0;
960       templ.u.tex.last_layer =
961          (res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
962    }
963 
964    flags = res->last_level ? 0 : NV50_TEXVIEW_SCALED_COORDS;
965    flags |= NV50_TEXVIEW_ACCESS_RESOLVE;
966    if (filter && res->nr_samples == 8)
967       flags |= NV50_TEXVIEW_FILTER_MSAA8;
968 
969    nvc0->textures[4][0] = nvc0_create_texture_view(
970       pipe, res, &templ, flags, target);
971    nvc0->textures[4][1] = NULL;
972 
973    for (s = 0; s <= 3; ++s)
974       nvc0->num_textures[s] = 0;
975    nvc0->num_textures[4] = 1;
976 
977    templ.format = nv50_zs_to_s_format(format);
978    if (templ.format != format) {
979       nvc0->textures[4][1] = nvc0_create_texture_view(
980          pipe, res, &templ, flags, target);
981       nvc0->num_textures[4] = 2;
982    }
983 }
984 
985 static void
nvc0_blitctx_prepare_state(struct nvc0_blitctx * blit)986 nvc0_blitctx_prepare_state(struct nvc0_blitctx *blit)
987 {
988    struct nouveau_pushbuf *push = blit->nvc0->base.pushbuf;
989 
990    /* TODO: maybe make this a MACRO (if we need more logic) ? */
991 
992    if (blit->nvc0->cond_query && !blit->render_condition_enable)
993       IMMED_NVC0(push, NVC0_3D(COND_MODE), NVC0_3D_COND_MODE_ALWAYS);
994 
995    /* blend state */
996    BEGIN_NVC0(push, NVC0_3D(COLOR_MASK(0)), 1);
997    PUSH_DATA (push, blit->color_mask);
998    IMMED_NVC0(push, NVC0_3D(BLEND_ENABLE(0)), 0);
999    IMMED_NVC0(push, NVC0_3D(LOGIC_OP_ENABLE), 0);
1000 
1001    /* rasterizer state */
1002    IMMED_NVC0(push, NVC0_3D(FRAG_COLOR_CLAMP_EN), 0);
1003    IMMED_NVC0(push, NVC0_3D(MULTISAMPLE_ENABLE), 0);
1004    BEGIN_NVC0(push, NVC0_3D(MSAA_MASK(0)), 4);
1005    PUSH_DATA (push, 0xffff);
1006    PUSH_DATA (push, 0xffff);
1007    PUSH_DATA (push, 0xffff);
1008    PUSH_DATA (push, 0xffff);
1009    BEGIN_NVC0(push, NVC0_3D(MACRO_POLYGON_MODE_FRONT), 1);
1010    PUSH_DATA (push, NVC0_3D_MACRO_POLYGON_MODE_FRONT_FILL);
1011    BEGIN_NVC0(push, NVC0_3D(MACRO_POLYGON_MODE_BACK), 1);
1012    PUSH_DATA (push, NVC0_3D_MACRO_POLYGON_MODE_BACK_FILL);
1013    IMMED_NVC0(push, NVC0_3D(POLYGON_SMOOTH_ENABLE), 0);
1014    IMMED_NVC0(push, NVC0_3D(POLYGON_OFFSET_FILL_ENABLE), 0);
1015    IMMED_NVC0(push, NVC0_3D(POLYGON_STIPPLE_ENABLE), 0);
1016    IMMED_NVC0(push, NVC0_3D(CULL_FACE_ENABLE), 0);
1017 
1018    /* zsa state */
1019    IMMED_NVC0(push, NVC0_3D(DEPTH_TEST_ENABLE), 0);
1020    IMMED_NVC0(push, NVC0_3D(DEPTH_BOUNDS_EN), 0);
1021    IMMED_NVC0(push, NVC0_3D(STENCIL_ENABLE), 0);
1022    IMMED_NVC0(push, NVC0_3D(ALPHA_TEST_ENABLE), 0);
1023 
1024    /* disable transform feedback */
1025    IMMED_NVC0(push, NVC0_3D(TFB_ENABLE), 0);
1026 }
1027 
1028 static void
nvc0_blitctx_pre_blit(struct nvc0_blitctx * ctx,const struct pipe_blit_info * info)1029 nvc0_blitctx_pre_blit(struct nvc0_blitctx *ctx,
1030                       const struct pipe_blit_info *info)
1031 {
1032    struct nvc0_context *nvc0 = ctx->nvc0;
1033    struct nvc0_blitter *blitter = nvc0->screen->blitter;
1034    int s;
1035 
1036    ctx->saved.fb.width = nvc0->framebuffer.width;
1037    ctx->saved.fb.height = nvc0->framebuffer.height;
1038    ctx->saved.fb.samples = nvc0->framebuffer.samples;
1039    ctx->saved.fb.layers = nvc0->framebuffer.layers;
1040    ctx->saved.fb.nr_cbufs = nvc0->framebuffer.nr_cbufs;
1041    ctx->saved.fb.cbufs[0] = nvc0->framebuffer.cbufs[0];
1042    ctx->saved.fb.zsbuf = nvc0->framebuffer.zsbuf;
1043 
1044    ctx->saved.rast = nvc0->rast;
1045 
1046    ctx->saved.vp = nvc0->vertprog;
1047    ctx->saved.tcp = nvc0->tctlprog;
1048    ctx->saved.tep = nvc0->tevlprog;
1049    ctx->saved.gp = nvc0->gmtyprog;
1050    ctx->saved.fp = nvc0->fragprog;
1051 
1052    ctx->saved.min_samples = nvc0->min_samples;
1053    ctx->saved.window_rect = nvc0->window_rect;
1054 
1055    nvc0->rast = &ctx->rast;
1056 
1057    nvc0->vertprog = ctx->vp;
1058    nvc0->tctlprog = NULL;
1059    nvc0->tevlprog = NULL;
1060    nvc0->gmtyprog = NULL;
1061    nvc0->fragprog = ctx->fp;
1062 
1063    nvc0->window_rect.rects =
1064       MIN2(info->num_window_rectangles, NVC0_MAX_WINDOW_RECTANGLES);
1065    nvc0->window_rect.inclusive = info->window_rectangle_include;
1066    if (nvc0->window_rect.rects)
1067       memcpy(nvc0->window_rect.rect, info->window_rectangles,
1068              sizeof(struct pipe_scissor_state) * nvc0->window_rect.rects);
1069 
1070    for (s = 0; s <= 4; ++s) {
1071       ctx->saved.num_textures[s] = nvc0->num_textures[s];
1072       ctx->saved.num_samplers[s] = nvc0->num_samplers[s];
1073       nvc0->textures_dirty[s] = (1 << nvc0->num_textures[s]) - 1;
1074       nvc0->samplers_dirty[s] = (1 << nvc0->num_samplers[s]) - 1;
1075    }
1076    ctx->saved.texture[0] = nvc0->textures[4][0];
1077    ctx->saved.texture[1] = nvc0->textures[4][1];
1078    ctx->saved.sampler[0] = nvc0->samplers[4][0];
1079    ctx->saved.sampler[1] = nvc0->samplers[4][1];
1080 
1081    nvc0->samplers[4][0] = &blitter->sampler[ctx->filter];
1082    nvc0->samplers[4][1] = &blitter->sampler[ctx->filter];
1083 
1084    for (s = 0; s <= 3; ++s)
1085       nvc0->num_samplers[s] = 0;
1086    nvc0->num_samplers[4] = 2;
1087 
1088    nvc0->min_samples = 1;
1089 
1090    ctx->saved.dirty_3d = nvc0->dirty_3d;
1091 
1092    nvc0->textures_dirty[4] |= 3;
1093    nvc0->samplers_dirty[4] |= 3;
1094 
1095    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_FB);
1096    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(4, 0));
1097    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(4, 1));
1098 
1099    nvc0->dirty_3d = NVC0_NEW_3D_FRAMEBUFFER | NVC0_NEW_3D_MIN_SAMPLES |
1100       NVC0_NEW_3D_VERTPROG | NVC0_NEW_3D_FRAGPROG |
1101       NVC0_NEW_3D_TCTLPROG | NVC0_NEW_3D_TEVLPROG | NVC0_NEW_3D_GMTYPROG |
1102       NVC0_NEW_3D_TEXTURES | NVC0_NEW_3D_SAMPLERS | NVC0_NEW_3D_WINDOW_RECTS;
1103 }
1104 
1105 static void
nvc0_blitctx_post_blit(struct nvc0_blitctx * blit)1106 nvc0_blitctx_post_blit(struct nvc0_blitctx *blit)
1107 {
1108    struct nvc0_context *nvc0 = blit->nvc0;
1109    int s;
1110 
1111    pipe_surface_reference(&nvc0->framebuffer.cbufs[0], NULL);
1112 
1113    nvc0->framebuffer.width = blit->saved.fb.width;
1114    nvc0->framebuffer.height = blit->saved.fb.height;
1115    nvc0->framebuffer.samples = blit->saved.fb.samples;
1116    nvc0->framebuffer.layers = blit->saved.fb.layers;
1117    nvc0->framebuffer.nr_cbufs = blit->saved.fb.nr_cbufs;
1118    nvc0->framebuffer.cbufs[0] = blit->saved.fb.cbufs[0];
1119    nvc0->framebuffer.zsbuf = blit->saved.fb.zsbuf;
1120 
1121    nvc0->rast = blit->saved.rast;
1122 
1123    nvc0->vertprog = blit->saved.vp;
1124    nvc0->tctlprog = blit->saved.tcp;
1125    nvc0->tevlprog = blit->saved.tep;
1126    nvc0->gmtyprog = blit->saved.gp;
1127    nvc0->fragprog = blit->saved.fp;
1128 
1129    nvc0->min_samples = blit->saved.min_samples;
1130    nvc0->window_rect = blit->saved.window_rect;
1131 
1132    pipe_sampler_view_reference(&nvc0->textures[4][0], NULL);
1133    pipe_sampler_view_reference(&nvc0->textures[4][1], NULL);
1134 
1135    for (s = 0; s <= 4; ++s) {
1136       nvc0->num_textures[s] = blit->saved.num_textures[s];
1137       nvc0->num_samplers[s] = blit->saved.num_samplers[s];
1138       nvc0->textures_dirty[s] = (1 << nvc0->num_textures[s]) - 1;
1139       nvc0->samplers_dirty[s] = (1 << nvc0->num_samplers[s]) - 1;
1140    }
1141    nvc0->textures[4][0] = blit->saved.texture[0];
1142    nvc0->textures[4][1] = blit->saved.texture[1];
1143    nvc0->samplers[4][0] = blit->saved.sampler[0];
1144    nvc0->samplers[4][1] = blit->saved.sampler[1];
1145 
1146    nvc0->textures_dirty[4] |= 3;
1147    nvc0->samplers_dirty[4] |= 3;
1148 
1149    if (nvc0->cond_query && !blit->render_condition_enable)
1150       nvc0->base.pipe.render_condition(&nvc0->base.pipe, nvc0->cond_query,
1151                                        nvc0->cond_cond, nvc0->cond_mode);
1152 
1153    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_VTX_TMP);
1154    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEXT);
1155    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_FB);
1156    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(4, 0));
1157    nouveau_bufctx_reset(nvc0->bufctx_3d, NVC0_BIND_3D_TEX(4, 1));
1158    nouveau_scratch_done(&nvc0->base);
1159 
1160    nvc0->dirty_3d = blit->saved.dirty_3d |
1161       (NVC0_NEW_3D_FRAMEBUFFER | NVC0_NEW_3D_SCISSOR | NVC0_NEW_3D_SAMPLE_MASK |
1162        NVC0_NEW_3D_RASTERIZER | NVC0_NEW_3D_ZSA | NVC0_NEW_3D_BLEND |
1163        NVC0_NEW_3D_VIEWPORT | NVC0_NEW_3D_WINDOW_RECTS |
1164        NVC0_NEW_3D_TEXTURES | NVC0_NEW_3D_SAMPLERS |
1165        NVC0_NEW_3D_VERTPROG | NVC0_NEW_3D_FRAGPROG |
1166        NVC0_NEW_3D_TCTLPROG | NVC0_NEW_3D_TEVLPROG | NVC0_NEW_3D_GMTYPROG |
1167        NVC0_NEW_3D_TFB_TARGETS | NVC0_NEW_3D_VERTEX | NVC0_NEW_3D_ARRAYS);
1168    nvc0->scissors_dirty |= 1;
1169    nvc0->viewports_dirty |= 1;
1170 
1171    nvc0->base.pipe.set_min_samples(&nvc0->base.pipe, blit->saved.min_samples);
1172 }
1173 
1174 static void
nvc0_blit_3d(struct nvc0_context * nvc0,const struct pipe_blit_info * info)1175 nvc0_blit_3d(struct nvc0_context *nvc0, const struct pipe_blit_info *info)
1176 {
1177    struct nvc0_screen *screen = nvc0->screen;
1178    struct nvc0_blitctx *blit = nvc0->blit;
1179    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
1180    struct pipe_resource *src = info->src.resource;
1181    struct pipe_resource *dst = info->dst.resource;
1182    struct nouveau_bo *vtxbuf_bo;
1183    uint32_t stride, length, *vbuf;
1184    uint64_t vtxbuf;
1185    int32_t minx, maxx, miny, maxy;
1186    int32_t i, n;
1187    float x0, x1, y0, y1, z;
1188    float dz;
1189    float x_range, y_range;
1190 
1191    blit->mode = nv50_blit_select_mode(info);
1192    blit->color_mask = nv50_blit_derive_color_mask(info);
1193    blit->filter = nv50_blit_get_filter(info);
1194    blit->render_condition_enable = info->render_condition_enable;
1195 
1196    nvc0_blit_select_vp(blit);
1197    nvc0_blit_select_fp(blit, info);
1198    nvc0_blitctx_pre_blit(blit, info);
1199 
1200    nvc0_blit_set_dst(blit, dst, info->dst.level, -1, info->dst.format);
1201    nvc0_blit_set_src(blit, src, info->src.level, -1, info->src.format,
1202                      blit->filter);
1203 
1204    nvc0_blitctx_prepare_state(blit);
1205 
1206    nvc0_state_validate_3d(nvc0, ~0);
1207 
1208    x_range = (float)info->src.box.width / (float)info->dst.box.width;
1209    y_range = (float)info->src.box.height / (float)info->dst.box.height;
1210 
1211    x0 = (float)info->src.box.x - x_range * (float)info->dst.box.x;
1212    y0 = (float)info->src.box.y - y_range * (float)info->dst.box.y;
1213 
1214    x1 = x0 + 32768.0f * x_range;
1215    y1 = y0 + 32768.0f * y_range;
1216 
1217    x0 *= (float)(1 << nv50_miptree(src)->ms_x);
1218    x1 *= (float)(1 << nv50_miptree(src)->ms_x);
1219    y0 *= (float)(1 << nv50_miptree(src)->ms_y);
1220    y1 *= (float)(1 << nv50_miptree(src)->ms_y);
1221 
1222    dz = (float)info->src.box.depth / (float)info->dst.box.depth;
1223    z = (float)info->src.box.z;
1224    if (nv50_miptree(src)->layout_3d)
1225       z += 0.5f * dz;
1226 
1227    if (src->last_level > 0) {
1228       /* If there are mip maps, GPU always assumes normalized coordinates. */
1229       const unsigned l = info->src.level;
1230       const float fh = u_minify(src->width0 << nv50_miptree(src)->ms_x, l);
1231       const float fv = u_minify(src->height0 << nv50_miptree(src)->ms_y, l);
1232       x0 /= fh;
1233       x1 /= fh;
1234       y0 /= fv;
1235       y1 /= fv;
1236       if (nv50_miptree(src)->layout_3d) {
1237          z /= u_minify(src->depth0, l);
1238          dz /= u_minify(src->depth0, l);
1239       }
1240    }
1241 
1242    if (screen->eng3d->oclass >= TU102_3D_CLASS) {
1243       IMMED_NVC0(push, SUBC_3D(TU102_3D_SET_COLOR_RENDER_TO_ZETA_SURFACE),
1244                  util_format_is_depth_or_stencil(info->dst.format));
1245    }
1246 
1247    IMMED_NVC0(push, NVC0_3D(VIEWPORT_TRANSFORM_EN), 0);
1248    IMMED_NVC0(push, NVC0_3D(VIEW_VOLUME_CLIP_CTRL), 0x2 |
1249               NVC0_3D_VIEW_VOLUME_CLIP_CTRL_DEPTH_RANGE_0_1);
1250    BEGIN_NVC0(push, NVC0_3D(VIEWPORT_HORIZ(0)), 2);
1251    PUSH_DATA (push, nvc0->framebuffer.width << 16);
1252    PUSH_DATA (push, nvc0->framebuffer.height << 16);
1253 
1254    /* Draw a large triangle in screen coordinates covering the whole
1255     * render target, with scissors defining the destination region.
1256     * The vertex is supplied with non-normalized texture coordinates
1257     * arranged in a way to yield the desired offset and scale.
1258     *
1259     * Note that while the source texture is presented to the sampler as
1260     * non-MSAA (even if it is), the destination texture is treated as MSAA for
1261     * rendering. This means that
1262     *  - destination coordinates shouldn't be scaled
1263     *  - without per-sample rendering, the target will be a solid-fill for all
1264     *    of the samples
1265     *
1266     * The last point implies that this process is very bad for 1:1 blits, as
1267     * well as scaled blits between MSAA surfaces. This works fine for
1268     * upscaling and downscaling though. The 1:1 blits should ideally be
1269     * handled by the 2d engine, which can do it perfectly.
1270     */
1271 
1272    minx = info->dst.box.x;
1273    maxx = info->dst.box.x + info->dst.box.width;
1274    miny = info->dst.box.y;
1275    maxy = info->dst.box.y + info->dst.box.height;
1276    if (info->scissor_enable) {
1277       minx = MAX2(minx, info->scissor.minx);
1278       maxx = MIN2(maxx, info->scissor.maxx);
1279       miny = MAX2(miny, info->scissor.miny);
1280       maxy = MIN2(maxy, info->scissor.maxy);
1281    }
1282    BEGIN_NVC0(push, NVC0_3D(SCISSOR_HORIZ(0)), 2);
1283    PUSH_DATA (push, (maxx << 16) | minx);
1284    PUSH_DATA (push, (maxy << 16) | miny);
1285 
1286    stride = (3 + 2) * 4;
1287    length = stride * 3 * info->dst.box.depth;
1288 
1289    vbuf = nouveau_scratch_get(&nvc0->base, length, &vtxbuf, &vtxbuf_bo);
1290    if (!vbuf) {
1291       assert(vbuf);
1292       return;
1293    }
1294 
1295    BCTX_REFN_bo(nvc0->bufctx_3d, 3D_VTX_TMP,
1296                 NOUVEAU_BO_GART | NOUVEAU_BO_RD, vtxbuf_bo);
1297    BCTX_REFN_bo(nvc0->bufctx_3d, 3D_TEXT,
1298                 NV_VRAM_DOMAIN(&screen->base) | NOUVEAU_BO_RD, screen->text);
1299    nouveau_pushbuf_validate(push);
1300 
1301    BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(0)), 4);
1302    PUSH_DATA (push, NVC0_3D_VERTEX_ARRAY_FETCH_ENABLE | stride <<
1303                     NVC0_3D_VERTEX_ARRAY_FETCH_STRIDE__SHIFT);
1304    PUSH_DATAh(push, vtxbuf);
1305    PUSH_DATA (push, vtxbuf);
1306    PUSH_DATA (push, 0);
1307    if (screen->eng3d->oclass < TU102_3D_CLASS)
1308       BEGIN_NVC0(push, NVC0_3D(VERTEX_ARRAY_LIMIT_HIGH(0)), 2);
1309    else
1310       BEGIN_NVC0(push, SUBC_3D(TU102_3D_VERTEX_ARRAY_LIMIT_HIGH(0)), 2);
1311    PUSH_DATAh(push, vtxbuf + length - 1);
1312    PUSH_DATA (push, vtxbuf + length - 1);
1313 
1314    n = MAX2(2, nvc0->state.num_vtxelts);
1315 
1316    BEGIN_NVC0(push, NVC0_3D(VERTEX_ATTRIB_FORMAT(0)), n);
1317    PUSH_DATA (push, NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |
1318                     NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32_32 | 0x00 <<
1319                     NVC0_3D_VERTEX_ATTRIB_FORMAT_OFFSET__SHIFT);
1320    PUSH_DATA (push, NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |
1321                     NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32_32_32 | 0x08 <<
1322                     NVC0_3D_VERTEX_ATTRIB_FORMAT_OFFSET__SHIFT);
1323    for (i = 2; i < n; i++) {
1324       PUSH_DATA(push, NVC0_3D_VERTEX_ATTRIB_FORMAT_TYPE_FLOAT |
1325                       NVC0_3D_VERTEX_ATTRIB_FORMAT_SIZE_32 |
1326                       NVC0_3D_VERTEX_ATTRIB_FORMAT_CONST);
1327    }
1328    for (i = 1; i < n; ++i)
1329       IMMED_NVC0(push, NVC0_3D(VERTEX_ARRAY_FETCH(i)), 0);
1330    if (nvc0->state.instance_elts) {
1331       nvc0->state.instance_elts = 0;
1332       BEGIN_NVC0(push, NVC0_3D(MACRO_VERTEX_ARRAY_PER_INSTANCE), 2);
1333       PUSH_DATA (push, n);
1334       PUSH_DATA (push, 0);
1335    }
1336    nvc0->state.num_vtxelts = 2;
1337 
1338    if (nvc0->state.prim_restart) {
1339       IMMED_NVC0(push, NVC0_3D(PRIM_RESTART_ENABLE), 0);
1340       nvc0->state.prim_restart = 0;
1341    }
1342 
1343    if (nvc0->state.index_bias) {
1344       IMMED_NVC0(push, NVC0_3D(VB_ELEMENT_BASE), 0);
1345       IMMED_NVC0(push, NVC0_3D(VERTEX_ID_BASE), 0);
1346       nvc0->state.index_bias = 0;
1347    }
1348 
1349    for (i = 0; i < info->dst.box.depth; ++i, z += dz) {
1350       if (info->dst.box.z + i) {
1351          BEGIN_NVC0(push, NVC0_3D(LAYER), 1);
1352          PUSH_DATA (push, info->dst.box.z + i);
1353       }
1354 
1355       *(vbuf++) = fui(0.0f);
1356       *(vbuf++) = fui(0.0f);
1357       *(vbuf++) = fui(x0);
1358       *(vbuf++) = fui(y0);
1359       *(vbuf++) = fui(z);
1360 
1361       *(vbuf++) = fui(32768.0f);
1362       *(vbuf++) = fui(0.0f);
1363       *(vbuf++) = fui(x1);
1364       *(vbuf++) = fui(y0);
1365       *(vbuf++) = fui(z);
1366 
1367       *(vbuf++) = fui(0.0f);
1368       *(vbuf++) = fui(32768.0f);
1369       *(vbuf++) = fui(x0);
1370       *(vbuf++) = fui(y1);
1371       *(vbuf++) = fui(z);
1372 
1373       IMMED_NVC0(push, NVC0_3D(VERTEX_BEGIN_GL),
1374                        NVC0_3D_VERTEX_BEGIN_GL_PRIMITIVE_TRIANGLES);
1375       BEGIN_NVC0(push, NVC0_3D(VERTEX_BUFFER_FIRST), 2);
1376       PUSH_DATA (push, i * 3);
1377       PUSH_DATA (push, 3);
1378       IMMED_NVC0(push, NVC0_3D(VERTEX_END_GL), 0);
1379    }
1380    if (info->dst.box.z + info->dst.box.depth - 1)
1381       IMMED_NVC0(push, NVC0_3D(LAYER), 0);
1382 
1383    nvc0_blitctx_post_blit(blit);
1384 
1385    /* restore viewport transform */
1386    IMMED_NVC0(push, NVC0_3D(VIEWPORT_TRANSFORM_EN), 1);
1387    if (screen->eng3d->oclass >= TU102_3D_CLASS)
1388       IMMED_NVC0(push, SUBC_3D(TU102_3D_SET_COLOR_RENDER_TO_ZETA_SURFACE), 0);
1389 }
1390 
1391 static void
nvc0_blit_eng2d(struct nvc0_context * nvc0,const struct pipe_blit_info * info)1392 nvc0_blit_eng2d(struct nvc0_context *nvc0, const struct pipe_blit_info *info)
1393 {
1394    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
1395    struct nv50_miptree *dst = nv50_miptree(info->dst.resource);
1396    struct nv50_miptree *src = nv50_miptree(info->src.resource);
1397    const int32_t srcx_adj = info->src.box.width < 0 ? -1 : 0;
1398    const int32_t srcy_adj = info->src.box.height < 0 ? -1 : 0;
1399    const int dz = info->dst.box.z;
1400    const int sz = info->src.box.z;
1401    uint32_t dstw, dsth;
1402    int32_t dstx, dsty;
1403    int64_t srcx, srcy;
1404    int64_t du_dx, dv_dy;
1405    int i;
1406    uint32_t mode;
1407    uint32_t mask = nv50_blit_eng2d_get_mask(info);
1408    bool b;
1409 
1410    mode = nv50_blit_get_filter(info) ?
1411       NV50_2D_BLIT_CONTROL_FILTER_BILINEAR :
1412       NV50_2D_BLIT_CONTROL_FILTER_POINT_SAMPLE;
1413    mode |= (src->base.base.nr_samples > dst->base.base.nr_samples) ?
1414       NV50_2D_BLIT_CONTROL_ORIGIN_CORNER : NV50_2D_BLIT_CONTROL_ORIGIN_CENTER;
1415 
1416    du_dx = ((int64_t)info->src.box.width << 32) / info->dst.box.width;
1417    dv_dy = ((int64_t)info->src.box.height << 32) / info->dst.box.height;
1418 
1419    b = info->dst.format == info->src.format;
1420    nvc0_2d_texture_set(push, 1, dst, info->dst.level, dz, info->dst.format, b);
1421    nvc0_2d_texture_set(push, 0, src, info->src.level, sz, info->src.format, b);
1422 
1423    if (info->scissor_enable) {
1424       BEGIN_NVC0(push, NVC0_2D(CLIP_X), 5);
1425       PUSH_DATA (push, info->scissor.minx << dst->ms_x);
1426       PUSH_DATA (push, info->scissor.miny << dst->ms_y);
1427       PUSH_DATA (push, (info->scissor.maxx - info->scissor.minx) << dst->ms_x);
1428       PUSH_DATA (push, (info->scissor.maxy - info->scissor.miny) << dst->ms_y);
1429       PUSH_DATA (push, 1); /* enable */
1430    }
1431 
1432    if (nvc0->cond_query && info->render_condition_enable)
1433       IMMED_NVC0(push, NVC0_2D(COND_MODE), nvc0->cond_condmode);
1434 
1435    if (mask != 0xffffffff) {
1436       IMMED_NVC0(push, NVC0_2D(ROP), 0xca); /* DPSDxax */
1437       IMMED_NVC0(push, NVC0_2D(PATTERN_COLOR_FORMAT),
1438                        NV50_2D_PATTERN_COLOR_FORMAT_A8R8G8B8);
1439       BEGIN_NVC0(push, NVC0_2D(PATTERN_BITMAP_COLOR(0)), 4);
1440       PUSH_DATA (push, 0x00000000);
1441       PUSH_DATA (push, mask);
1442       PUSH_DATA (push, 0xffffffff);
1443       PUSH_DATA (push, 0xffffffff);
1444       IMMED_NVC0(push, NVC0_2D(OPERATION), NV50_2D_OPERATION_ROP);
1445    } else
1446    if (info->src.format != info->dst.format) {
1447       if (info->src.format == PIPE_FORMAT_R8_UNORM ||
1448           info->src.format == PIPE_FORMAT_R8_SNORM ||
1449           info->src.format == PIPE_FORMAT_R16_UNORM ||
1450           info->src.format == PIPE_FORMAT_R16_SNORM ||
1451           info->src.format == PIPE_FORMAT_R16_FLOAT ||
1452           info->src.format == PIPE_FORMAT_R32_FLOAT) {
1453          mask = 0xffff0000; /* also makes condition for OPERATION reset true */
1454          BEGIN_NVC0(push, NVC0_2D(BETA4), 2);
1455          PUSH_DATA (push, mask);
1456          PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY_PREMULT);
1457       } else
1458       if (info->src.format == PIPE_FORMAT_A8_UNORM) {
1459          mask = 0xff000000;
1460          BEGIN_NVC0(push, NVC0_2D(BETA4), 2);
1461          PUSH_DATA (push, mask);
1462          PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY_PREMULT);
1463       }
1464    }
1465 
1466    if (src->ms_x > dst->ms_x || src->ms_y > dst->ms_y) {
1467       /* ms_x is always >= ms_y */
1468       du_dx <<= src->ms_x - dst->ms_x;
1469       dv_dy <<= src->ms_y - dst->ms_y;
1470    } else {
1471       du_dx >>= dst->ms_x - src->ms_x;
1472       dv_dy >>= dst->ms_y - src->ms_y;
1473    }
1474 
1475    srcx = (int64_t)(info->src.box.x + srcx_adj) << (src->ms_x + 32);
1476    srcy = (int64_t)(info->src.box.y + srcy_adj) << (src->ms_y + 32);
1477 
1478    if (src->base.base.nr_samples > dst->base.base.nr_samples) {
1479       /* center src coorinates for proper MS resolve filtering */
1480       srcx += (int64_t)1 << (src->ms_x + 31);
1481       srcy += (int64_t)1 << (src->ms_y + 31);
1482    }
1483 
1484    dstx = info->dst.box.x << dst->ms_x;
1485    dsty = info->dst.box.y << dst->ms_y;
1486 
1487    dstw = info->dst.box.width << dst->ms_x;
1488    dsth = info->dst.box.height << dst->ms_y;
1489 
1490    if (dstx < 0) {
1491       dstw += dstx;
1492       srcx -= du_dx * dstx;
1493       dstx = 0;
1494    }
1495    if (dsty < 0) {
1496       dsth += dsty;
1497       srcy -= dv_dy * dsty;
1498       dsty = 0;
1499    }
1500 
1501    IMMED_NVC0(push, NVC0_2D(BLIT_CONTROL), mode);
1502    BEGIN_NVC0(push, NVC0_2D(BLIT_DST_X), 4);
1503    PUSH_DATA (push, dstx);
1504    PUSH_DATA (push, dsty);
1505    PUSH_DATA (push, dstw);
1506    PUSH_DATA (push, dsth);
1507    BEGIN_NVC0(push, NVC0_2D(BLIT_DU_DX_FRACT), 4);
1508    PUSH_DATA (push, du_dx);
1509    PUSH_DATA (push, du_dx >> 32);
1510    PUSH_DATA (push, dv_dy);
1511    PUSH_DATA (push, dv_dy >> 32);
1512 
1513    BCTX_REFN(nvc0->bufctx, 2D, &dst->base, WR);
1514    BCTX_REFN(nvc0->bufctx, 2D, &src->base, RD);
1515    nouveau_pushbuf_bufctx(nvc0->base.pushbuf, nvc0->bufctx);
1516    if (nouveau_pushbuf_validate(nvc0->base.pushbuf))
1517       return;
1518 
1519    for (i = 0; i < info->dst.box.depth; ++i) {
1520       if (i > 0) {
1521          /* no scaling in z-direction possible for eng2d blits */
1522          if (dst->layout_3d) {
1523             BEGIN_NVC0(push, NVC0_2D(DST_LAYER), 1);
1524             PUSH_DATA (push, info->dst.box.z + i);
1525          } else {
1526             const unsigned z = info->dst.box.z + i;
1527             const uint64_t address = dst->base.address +
1528                dst->level[info->dst.level].offset +
1529                z * dst->layer_stride;
1530             BEGIN_NVC0(push, NVC0_2D(DST_ADDRESS_HIGH), 2);
1531             PUSH_DATAh(push, address);
1532             PUSH_DATA (push, address);
1533          }
1534          if (src->layout_3d) {
1535             /* not possible because of depth tiling */
1536             assert(0);
1537          } else {
1538             const unsigned z = info->src.box.z + i;
1539             const uint64_t address = src->base.address +
1540                src->level[info->src.level].offset +
1541                z * src->layer_stride;
1542             BEGIN_NVC0(push, NVC0_2D(SRC_ADDRESS_HIGH), 2);
1543             PUSH_DATAh(push, address);
1544             PUSH_DATA (push, address);
1545          }
1546          BEGIN_NVC0(push, NVC0_2D(BLIT_SRC_Y_INT), 1); /* trigger */
1547          PUSH_DATA (push, srcy >> 32);
1548       } else {
1549          BEGIN_NVC0(push, NVC0_2D(BLIT_SRC_X_FRACT), 4);
1550          PUSH_DATA (push, srcx);
1551          PUSH_DATA (push, srcx >> 32);
1552          PUSH_DATA (push, srcy);
1553          PUSH_DATA (push, srcy >> 32);
1554       }
1555    }
1556    nvc0_resource_validate(&dst->base, NOUVEAU_BO_WR);
1557    nvc0_resource_validate(&src->base, NOUVEAU_BO_RD);
1558 
1559    nouveau_bufctx_reset(nvc0->bufctx, NVC0_BIND_2D);
1560 
1561    if (info->scissor_enable)
1562       IMMED_NVC0(push, NVC0_2D(CLIP_ENABLE), 0);
1563    if (mask != 0xffffffff)
1564       IMMED_NVC0(push, NVC0_2D(OPERATION), NV50_2D_OPERATION_SRCCOPY);
1565    if (nvc0->cond_query && info->render_condition_enable)
1566       IMMED_NVC0(push, NVC0_2D(COND_MODE), NV50_2D_COND_MODE_ALWAYS);
1567 }
1568 
1569 static void
nvc0_blit(struct pipe_context * pipe,const struct pipe_blit_info * info)1570 nvc0_blit(struct pipe_context *pipe, const struct pipe_blit_info *info)
1571 {
1572    struct nvc0_context *nvc0 = nvc0_context(pipe);
1573    struct nouveau_pushbuf *push = nvc0->base.pushbuf;
1574    bool eng3d = false;
1575 
1576    if (info->src.box.width == 0 || info->src.box.height == 0 ||
1577        info->dst.box.width == 0 || info->dst.box.height == 0) {
1578       pipe_debug_message(&nvc0->base.debug, ERROR,
1579                          "Blit with zero-size src or dst box");
1580       return;
1581    }
1582 
1583    if (util_format_is_depth_or_stencil(info->dst.resource->format)) {
1584       if (!(info->mask & PIPE_MASK_ZS))
1585          return;
1586       if (info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT ||
1587           info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
1588          eng3d = true;
1589       if (info->filter != PIPE_TEX_FILTER_NEAREST)
1590          eng3d = true;
1591    } else {
1592       if (!(info->mask & PIPE_MASK_RGBA))
1593          return;
1594       if (info->mask != PIPE_MASK_RGBA)
1595          eng3d = true;
1596    }
1597 
1598    if (nv50_miptree(info->src.resource)->layout_3d) {
1599       eng3d = true;
1600    } else
1601    if (info->src.box.depth != info->dst.box.depth) {
1602       eng3d = true;
1603       debug_printf("blit: cannot filter array or cube textures in z direction");
1604    }
1605 
1606    if (!eng3d && info->dst.format != info->src.format) {
1607       if (!nv50_2d_dst_format_faithful(info->dst.format)) {
1608          eng3d = true;
1609       } else
1610       if (!nv50_2d_src_format_faithful(info->src.format)) {
1611          if (!util_format_is_luminance(info->src.format)) {
1612             if (!nv50_2d_dst_format_ops_supported(info->dst.format))
1613                eng3d = true;
1614             else
1615             if (util_format_is_intensity(info->src.format))
1616                eng3d = info->src.format != PIPE_FORMAT_I8_UNORM;
1617             else
1618             if (util_format_is_alpha(info->src.format))
1619                eng3d = info->src.format != PIPE_FORMAT_A8_UNORM;
1620             else
1621             if (util_format_is_srgb(info->dst.format) &&
1622                 util_format_get_nr_components(info->src.format) == 1)
1623                eng3d = true;
1624             else
1625                eng3d = !nv50_2d_format_supported(info->src.format);
1626          }
1627       } else
1628       if (util_format_is_luminance_alpha(info->src.format))
1629          eng3d = true;
1630    }
1631 
1632    if (info->src.resource->nr_samples == 8 &&
1633        info->dst.resource->nr_samples <= 1)
1634       eng3d = true;
1635 #if 0
1636    /* FIXME: can't make this work with eng2d anymore, at least not on nv50 */
1637    if (info->src.resource->nr_samples > 1 ||
1638        info->dst.resource->nr_samples > 1)
1639       eng3d = true;
1640 #endif
1641    /* FIXME: find correct src coordinates adjustments */
1642    if ((info->src.box.width !=  info->dst.box.width &&
1643         info->src.box.width != -info->dst.box.width) ||
1644        (info->src.box.height !=  info->dst.box.height &&
1645         info->src.box.height != -info->dst.box.height))
1646       eng3d = true;
1647 
1648    if (info->num_window_rectangles > 0 || info->window_rectangle_include)
1649       eng3d = true;
1650 
1651    if (nvc0->screen->num_occlusion_queries_active)
1652       IMMED_NVC0(push, NVC0_3D(SAMPLECNT_ENABLE), 0);
1653 
1654    if (!eng3d)
1655       nvc0_blit_eng2d(nvc0, info);
1656    else
1657       nvc0_blit_3d(nvc0, info);
1658 
1659    if (nvc0->screen->num_occlusion_queries_active)
1660       IMMED_NVC0(push, NVC0_3D(SAMPLECNT_ENABLE), 1);
1661 
1662    NOUVEAU_DRV_STAT(&nvc0->screen->base, tex_blit_count, 1);
1663 }
1664 
1665 static void
nvc0_flush_resource(struct pipe_context * ctx,struct pipe_resource * resource)1666 nvc0_flush_resource(struct pipe_context *ctx,
1667                     struct pipe_resource *resource)
1668 {
1669 }
1670 
1671 bool
nvc0_blitter_create(struct nvc0_screen * screen)1672 nvc0_blitter_create(struct nvc0_screen *screen)
1673 {
1674    screen->blitter = CALLOC_STRUCT(nvc0_blitter);
1675    if (!screen->blitter) {
1676       NOUVEAU_ERR("failed to allocate blitter struct\n");
1677       return false;
1678    }
1679    screen->blitter->screen = screen;
1680 
1681    (void) mtx_init(&screen->blitter->mutex, mtx_plain);
1682 
1683    nvc0_blitter_make_sampler(screen->blitter);
1684 
1685    return true;
1686 }
1687 
1688 void
nvc0_blitter_destroy(struct nvc0_screen * screen)1689 nvc0_blitter_destroy(struct nvc0_screen *screen)
1690 {
1691    struct nvc0_blitter *blitter = screen->blitter;
1692    unsigned i, m;
1693 
1694    for (i = 0; i < NV50_BLIT_MAX_TEXTURE_TYPES; ++i) {
1695       for (m = 0; m < NV50_BLIT_MODES; ++m) {
1696          struct nvc0_program *prog = blitter->fp[i][m];
1697          if (prog) {
1698             nvc0_program_destroy(NULL, prog);
1699             FREE((void *)prog->pipe.tokens);
1700             FREE(prog);
1701          }
1702       }
1703    }
1704 
1705    mtx_destroy(&blitter->mutex);
1706    FREE(blitter);
1707 }
1708 
1709 bool
nvc0_blitctx_create(struct nvc0_context * nvc0)1710 nvc0_blitctx_create(struct nvc0_context *nvc0)
1711 {
1712    nvc0->blit = CALLOC_STRUCT(nvc0_blitctx);
1713    if (!nvc0->blit) {
1714       NOUVEAU_ERR("failed to allocate blit context\n");
1715       return false;
1716    }
1717 
1718    nvc0->blit->nvc0 = nvc0;
1719 
1720    nvc0->blit->rast.pipe.half_pixel_center = 1;
1721 
1722    return true;
1723 }
1724 
1725 void
nvc0_blitctx_destroy(struct nvc0_context * nvc0)1726 nvc0_blitctx_destroy(struct nvc0_context *nvc0)
1727 {
1728    FREE(nvc0->blit);
1729 }
1730 
1731 void
nvc0_init_surface_functions(struct nvc0_context * nvc0)1732 nvc0_init_surface_functions(struct nvc0_context *nvc0)
1733 {
1734    struct pipe_context *pipe = &nvc0->base.pipe;
1735 
1736    pipe->resource_copy_region = nvc0_resource_copy_region;
1737    pipe->blit = nvc0_blit;
1738    pipe->flush_resource = nvc0_flush_resource;
1739    pipe->clear_render_target = nvc0_clear_render_target;
1740    pipe->clear_depth_stencil = nvc0_clear_depth_stencil;
1741    pipe->clear_texture = nv50_clear_texture;
1742    pipe->clear_buffer = nvc0_clear_buffer;
1743    if (nvc0->screen->base.class_3d >= GM200_3D_CLASS)
1744       pipe->evaluate_depth_buffer = gm200_evaluate_depth_buffer;
1745 }
1746