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_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 
53 static inline uint8_t
nv50_2d_format(enum pipe_format format,bool dst,bool dst_src_equal)54 nv50_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 
81 static int
nv50_2d_texture_set(struct nouveau_pushbuf * push,int dst,struct nv50_miptree * mt,unsigned level,unsigned layer,enum pipe_format pformat,bool dst_src_pformat_equal)82 nv50_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 
150 static int
nv50_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)151 nv50_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 
195 static void
nv50_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)196 nv50_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 
275 static void
nv50_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)276 nv50_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 
364 static void
nv50_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)365 nv50_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 
452 void
nv50_clear_texture(struct pipe_context * pipe,struct pipe_resource * res,unsigned level,const struct pipe_box * box,const void * data)453 nv50_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          util_format_unpack_z_float(res->format, &depth, data, 1);
479       }
480       if (util_format_has_stencil(desc)) {
481          clear |= PIPE_CLEAR_STENCIL;
482          util_format_unpack_s_8uint(res->format, &stencil, data, 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 
526 void
nv50_clear(struct pipe_context * pipe,unsigned buffers,const struct pipe_scissor_state * scissor_state,const union pipe_color_union * color,double depth,unsigned stencil)527 nv50_clear(struct pipe_context *pipe, unsigned buffers, const struct pipe_scissor_state *scissor_state,
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 
607 static void
nv50_clear_buffer_push(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size,const void * data,int data_size)608 nv50_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    nv50_resource_validate(buf, NOUVEAU_BO_WR);
676 
677    nouveau_bufctx_reset(nv50->bufctx, 0);
678 }
679 
680 static void
nv50_clear_buffer(struct pipe_context * pipe,struct pipe_resource * res,unsigned offset,unsigned size,const void * data,int data_size)681 nv50_clear_buffer(struct pipe_context *pipe,
682                   struct pipe_resource *res,
683                   unsigned offset, unsigned size,
684                   const void *data, int data_size)
685 {
686    struct nv50_context *nv50 = nv50_context(pipe);
687    struct nouveau_pushbuf *push = nv50->base.pushbuf;
688    struct nv04_resource *buf = (struct nv04_resource *)res;
689    union pipe_color_union color;
690    enum pipe_format dst_fmt;
691    unsigned width, height, elements;
692 
693    assert(res->target == PIPE_BUFFER);
694    assert(nouveau_bo_memtype(buf->bo) == 0);
695 
696    switch (data_size) {
697    case 16:
698       dst_fmt = PIPE_FORMAT_R32G32B32A32_UINT;
699       memcpy(&color.ui, data, 16);
700       break;
701    case 8:
702       dst_fmt = PIPE_FORMAT_R32G32_UINT;
703       memcpy(&color.ui, data, 8);
704       memset(&color.ui[2], 0, 8);
705       break;
706    case 4:
707       dst_fmt = PIPE_FORMAT_R32_UINT;
708       memcpy(&color.ui, data, 4);
709       memset(&color.ui[1], 0, 12);
710       break;
711    case 2:
712       dst_fmt = PIPE_FORMAT_R16_UINT;
713       color.ui[0] = util_cpu_to_le32(
714             util_le16_to_cpu(*(unsigned short *)data));
715       memset(&color.ui[1], 0, 12);
716       break;
717    case 1:
718       dst_fmt = PIPE_FORMAT_R8_UINT;
719       color.ui[0] = util_cpu_to_le32(*(unsigned char *)data);
720       memset(&color.ui[1], 0, 12);
721       break;
722    default:
723       assert(!"Unsupported element size");
724       return;
725    }
726 
727    util_range_add(&buf->base, &buf->valid_buffer_range, offset, offset + size);
728 
729    assert(size % data_size == 0);
730 
731    if (offset & 0xff) {
732       unsigned fixup_size = MIN2(size, align(offset, 0x100) - offset);
733       assert(fixup_size % data_size == 0);
734       nv50_clear_buffer_push(pipe, res, offset, fixup_size, data, data_size);
735       offset += fixup_size;
736       size -= fixup_size;
737       if (!size)
738          return;
739    }
740 
741    elements = size / data_size;
742    height = (elements + 8191) / 8192;
743    width = elements / height;
744    if (height > 1)
745       width &= ~0xff;
746    assert(width > 0);
747 
748    BEGIN_NV04(push, NV50_3D(CLEAR_COLOR(0)), 4);
749    PUSH_DATA (push, color.ui[0]);
750    PUSH_DATA (push, color.ui[1]);
751    PUSH_DATA (push, color.ui[2]);
752    PUSH_DATA (push, color.ui[3]);
753 
754    if (nouveau_pushbuf_space(push, 64, 1, 0))
755       return;
756 
757    PUSH_REFN(push, buf->bo, buf->domain | NOUVEAU_BO_WR);
758 
759    BEGIN_NV04(push, NV50_3D(SCREEN_SCISSOR_HORIZ), 2);
760    PUSH_DATA (push, width << 16);
761    PUSH_DATA (push, height << 16);
762    BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
763    PUSH_DATA (push, 8192 << 16);
764    PUSH_DATA (push, 8192 << 16);
765    nv50->scissors_dirty |= 1;
766 
767    BEGIN_NV04(push, NV50_3D(RT_CONTROL), 1);
768    PUSH_DATA (push, 1);
769    BEGIN_NV04(push, NV50_3D(RT_ADDRESS_HIGH(0)), 5);
770    PUSH_DATAh(push, buf->address + offset);
771    PUSH_DATA (push, buf->address + offset);
772    PUSH_DATA (push, nv50_format_table[dst_fmt].rt);
773    PUSH_DATA (push, 0);
774    PUSH_DATA (push, 0);
775    BEGIN_NV04(push, NV50_3D(RT_HORIZ(0)), 2);
776    PUSH_DATA (push, NV50_3D_RT_HORIZ_LINEAR | align(width * data_size, 0x100));
777    PUSH_DATA (push, height);
778    BEGIN_NV04(push, NV50_3D(ZETA_ENABLE), 1);
779    PUSH_DATA (push, 0);
780    BEGIN_NV04(push, NV50_3D(MULTISAMPLE_MODE), 1);
781    PUSH_DATA (push, 0);
782 
783    /* NOTE: only works with D3D clear flag (5097/0x143c bit 4) */
784 
785    BEGIN_NV04(push, NV50_3D(VIEWPORT_HORIZ(0)), 2);
786    PUSH_DATA (push, (width << 16));
787    PUSH_DATA (push, (height << 16));
788 
789    BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
790    PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
791 
792    BEGIN_NI04(push, NV50_3D(CLEAR_BUFFERS), 1);
793    PUSH_DATA (push, 0x3c);
794 
795    BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
796    PUSH_DATA (push, nv50->cond_condmode);
797 
798    nv50_resource_validate(buf, NOUVEAU_BO_WR);
799 
800    if (width * height != elements) {
801       offset += width * height * data_size;
802       width = elements - width * height;
803       nv50_clear_buffer_push(pipe, res, offset, width * data_size,
804                              data, data_size);
805    }
806 
807    nv50->dirty_3d |= NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR;
808 }
809 
810 /* =============================== BLIT CODE ===================================
811  */
812 
813 struct nv50_blitter
814 {
815    struct nv50_program *fp[NV50_BLIT_MAX_TEXTURE_TYPES][NV50_BLIT_MODES];
816    struct nv50_program vp;
817 
818    struct nv50_tsc_entry sampler[2]; /* nearest, bilinear */
819 
820    mtx_t mutex;
821 };
822 
823 struct nv50_blitctx
824 {
825    struct nv50_context *nv50;
826    struct nv50_program *fp;
827    uint8_t mode;
828    uint16_t color_mask;
829    uint8_t filter;
830    uint8_t render_condition_enable;
831    enum pipe_texture_target target;
832    struct {
833       struct pipe_framebuffer_state fb;
834       struct nv50_window_rect_stateobj window_rect;
835       struct nv50_rasterizer_stateobj *rast;
836       struct nv50_program *vp;
837       struct nv50_program *gp;
838       struct nv50_program *fp;
839       unsigned num_textures[3];
840       unsigned num_samplers[3];
841       struct pipe_sampler_view *texture[2];
842       struct nv50_tsc_entry *sampler[2];
843       unsigned min_samples;
844       uint32_t dirty_3d;
845    } saved;
846    struct nv50_rasterizer_stateobj rast;
847 };
848 
849 static void
nv50_blitter_make_vp(struct nv50_blitter * blit)850 nv50_blitter_make_vp(struct nv50_blitter *blit)
851 {
852    static const uint32_t code[] =
853    {
854       0x10000001, 0x0423c788, /* mov b32 o[0x00] s[0x00] */ /* HPOS.x */
855       0x10000205, 0x0423c788, /* mov b32 o[0x04] s[0x04] */ /* HPOS.y */
856       0x10000409, 0x0423c788, /* mov b32 o[0x08] s[0x08] */ /* TEXC.x */
857       0x1000060d, 0x0423c788, /* mov b32 o[0x0c] s[0x0c] */ /* TEXC.y */
858       0x10000811, 0x0423c789, /* mov b32 o[0x10] s[0x10] */ /* TEXC.z */
859    };
860 
861    blit->vp.type = PIPE_SHADER_VERTEX;
862    blit->vp.translated = true;
863    blit->vp.code = (uint32_t *)code; /* const_cast */
864    blit->vp.code_size = sizeof(code);
865    blit->vp.max_gpr = 4;
866    blit->vp.max_out = 5;
867    blit->vp.out_nr = 2;
868    blit->vp.out[0].mask = 0x3;
869    blit->vp.out[0].sn = TGSI_SEMANTIC_POSITION;
870    blit->vp.out[1].hw = 2;
871    blit->vp.out[1].mask = 0x7;
872    blit->vp.out[1].sn = TGSI_SEMANTIC_GENERIC;
873    blit->vp.out[1].si = 0;
874    blit->vp.vp.attrs[0] = 0x73;
875    blit->vp.vp.psiz = 0x40;
876    blit->vp.vp.edgeflag = 0x40;
877 }
878 
879 void *
nv50_blitter_make_fp(struct pipe_context * pipe,unsigned mode,enum pipe_texture_target ptarg)880 nv50_blitter_make_fp(struct pipe_context *pipe,
881                      unsigned mode,
882                      enum pipe_texture_target ptarg)
883 {
884    struct ureg_program *ureg;
885    struct ureg_src tc;
886    struct ureg_dst out;
887    struct ureg_dst data;
888 
889    const unsigned target = nv50_blit_get_tgsi_texture_target(ptarg);
890 
891    bool tex_rgbaz = false;
892    bool tex_s = false;
893    bool cvt_un8 = false;
894 
895    bool int_clamp = mode == NV50_BLIT_MODE_INT_CLAMP;
896    if (int_clamp)
897       mode = NV50_BLIT_MODE_PASS;
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    /* handle signed to unsigned integer conversions */
944    if (int_clamp)
945       ureg_UMIN(ureg, data, ureg_src(data), ureg_imm1u(ureg, 0x7fffffff));
946 
947    if (cvt_un8) {
948       struct ureg_src mask;
949       struct ureg_src scale;
950       struct ureg_dst outz;
951       struct ureg_dst outs;
952       struct ureg_dst zdst3 = ureg_writemask(data, TGSI_WRITEMASK_XYZ);
953       struct ureg_dst zdst = ureg_writemask(data, TGSI_WRITEMASK_X);
954       struct ureg_dst sdst = ureg_writemask(data, TGSI_WRITEMASK_Y);
955       struct ureg_src zsrc3 = ureg_src(data);
956       struct ureg_src zsrc = ureg_scalar(zsrc3, TGSI_SWIZZLE_X);
957       struct ureg_src ssrc = ureg_scalar(zsrc3, TGSI_SWIZZLE_Y);
958       struct ureg_src zshuf;
959 
960       mask = ureg_imm3u(ureg, 0x0000ff, 0x00ff00, 0xff0000);
961       scale = ureg_imm4f(ureg,
962                          1.0f / 0x0000ff, 1.0f / 0x00ff00, 1.0f / 0xff0000,
963                          (1 << 24) - 1);
964 
965       if (mode == NV50_BLIT_MODE_Z24S8 ||
966           mode == NV50_BLIT_MODE_X24S8 ||
967           mode == NV50_BLIT_MODE_Z24X8) {
968          outz = ureg_writemask(out, TGSI_WRITEMASK_XYZ);
969          outs = ureg_writemask(out, TGSI_WRITEMASK_W);
970          zshuf = ureg_src(data);
971       } else {
972          outz = ureg_writemask(out, TGSI_WRITEMASK_YZW);
973          outs = ureg_writemask(out, TGSI_WRITEMASK_X);
974          zshuf = ureg_swizzle(zsrc3, TGSI_SWIZZLE_W,
975                               TGSI_SWIZZLE_X, TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Z);
976       }
977 
978       if (tex_s) {
979          ureg_I2F(ureg, sdst, ssrc);
980          ureg_MUL(ureg, outs, ssrc, ureg_scalar(scale, TGSI_SWIZZLE_X));
981       }
982 
983       if (tex_rgbaz) {
984          ureg_MUL(ureg, zdst, zsrc, ureg_scalar(scale, TGSI_SWIZZLE_W));
985          ureg_F2I(ureg, zdst, zsrc);
986          ureg_AND(ureg, zdst3, zsrc, mask);
987          ureg_I2F(ureg, zdst3, zsrc3);
988          ureg_MUL(ureg, zdst3, zsrc3, scale);
989          ureg_MOV(ureg, outz, zshuf);
990       }
991    } else {
992       unsigned mask = TGSI_WRITEMASK_XYZW;
993 
994       if (mode != NV50_BLIT_MODE_PASS) {
995          mask &= ~TGSI_WRITEMASK_ZW;
996          if (!tex_s)
997             mask = TGSI_WRITEMASK_X;
998          if (!tex_rgbaz)
999             mask = TGSI_WRITEMASK_Y;
1000       }
1001       ureg_MOV(ureg, ureg_writemask(out, mask), ureg_src(data));
1002    }
1003    ureg_END(ureg);
1004 
1005    return ureg_create_shader_and_destroy(ureg, pipe);
1006 }
1007 
1008 static void
nv50_blitter_make_sampler(struct nv50_blitter * blit)1009 nv50_blitter_make_sampler(struct nv50_blitter *blit)
1010 {
1011    /* clamp to edge, min/max lod = 0, nearest filtering */
1012 
1013    blit->sampler[0].id = -1;
1014 
1015    blit->sampler[0].tsc[0] = G80_TSC_0_SRGB_CONVERSION |
1016       (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_U__SHIFT) |
1017       (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_V__SHIFT) |
1018       (G80_TSC_WRAP_CLAMP_TO_EDGE << G80_TSC_0_ADDRESS_P__SHIFT);
1019    blit->sampler[0].tsc[1] =
1020       G80_TSC_1_MAG_FILTER_NEAREST |
1021       G80_TSC_1_MIN_FILTER_NEAREST |
1022       G80_TSC_1_MIP_FILTER_NONE;
1023 
1024    /* clamp to edge, min/max lod = 0, bilinear filtering */
1025 
1026    blit->sampler[1].id = -1;
1027 
1028    blit->sampler[1].tsc[0] = blit->sampler[0].tsc[0];
1029    blit->sampler[1].tsc[1] =
1030       G80_TSC_1_MAG_FILTER_LINEAR |
1031       G80_TSC_1_MIN_FILTER_LINEAR |
1032       G80_TSC_1_MIP_FILTER_NONE;
1033 }
1034 
1035 unsigned
nv50_blit_select_mode(const struct pipe_blit_info * info)1036 nv50_blit_select_mode(const struct pipe_blit_info *info)
1037 {
1038    const unsigned mask = info->mask;
1039 
1040    switch (info->dst.resource->format) {
1041    case PIPE_FORMAT_Z24_UNORM_S8_UINT:
1042    case PIPE_FORMAT_Z24X8_UNORM:
1043    case PIPE_FORMAT_X24S8_UINT:
1044       switch (mask & PIPE_MASK_ZS) {
1045       case PIPE_MASK_ZS: return NV50_BLIT_MODE_Z24S8;
1046       case PIPE_MASK_Z:  return NV50_BLIT_MODE_Z24X8;
1047       default:
1048          return NV50_BLIT_MODE_X24S8;
1049       }
1050    case PIPE_FORMAT_S8_UINT_Z24_UNORM:
1051    case PIPE_FORMAT_X8Z24_UNORM:
1052    case PIPE_FORMAT_S8X24_UINT:
1053       switch (mask & PIPE_MASK_ZS) {
1054       case PIPE_MASK_ZS: return NV50_BLIT_MODE_S8Z24;
1055       case PIPE_MASK_Z:  return NV50_BLIT_MODE_X8Z24;
1056       default:
1057          return NV50_BLIT_MODE_S8X24;
1058       }
1059    case PIPE_FORMAT_Z32_FLOAT:
1060    case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
1061    case PIPE_FORMAT_X32_S8X24_UINT:
1062       switch (mask & PIPE_MASK_ZS) {
1063       case PIPE_MASK_ZS: return NV50_BLIT_MODE_ZS;
1064       case PIPE_MASK_Z:  return NV50_BLIT_MODE_PASS;
1065       default:
1066          return NV50_BLIT_MODE_XS;
1067       }
1068    default:
1069       if (util_format_is_pure_uint(info->src.format) &&
1070           util_format_is_pure_sint(info->dst.format))
1071          return NV50_BLIT_MODE_INT_CLAMP;
1072       return NV50_BLIT_MODE_PASS;
1073    }
1074 }
1075 
1076 static void
nv50_blit_select_fp(struct nv50_blitctx * ctx,const struct pipe_blit_info * info)1077 nv50_blit_select_fp(struct nv50_blitctx *ctx, const struct pipe_blit_info *info)
1078 {
1079    struct nv50_blitter *blitter = ctx->nv50->screen->blitter;
1080 
1081    const enum pipe_texture_target ptarg =
1082       nv50_blit_reinterpret_pipe_texture_target(info->src.resource->target);
1083 
1084    const unsigned targ = nv50_blit_texture_type(ptarg);
1085    const unsigned mode = ctx->mode;
1086 
1087    if (!blitter->fp[targ][mode]) {
1088       mtx_lock(&blitter->mutex);
1089       if (!blitter->fp[targ][mode])
1090          blitter->fp[targ][mode] =
1091             nv50_blitter_make_fp(&ctx->nv50->base.pipe, mode, ptarg);
1092       mtx_unlock(&blitter->mutex);
1093    }
1094    ctx->fp = blitter->fp[targ][mode];
1095 }
1096 
1097 static void
nv50_blit_set_dst(struct nv50_blitctx * ctx,struct pipe_resource * res,unsigned level,unsigned layer,enum pipe_format format)1098 nv50_blit_set_dst(struct nv50_blitctx *ctx,
1099                   struct pipe_resource *res, unsigned level, unsigned layer,
1100                   enum pipe_format format)
1101 {
1102    struct nv50_context *nv50 = ctx->nv50;
1103    struct pipe_context *pipe = &nv50->base.pipe;
1104    struct pipe_surface templ;
1105 
1106    if (util_format_is_depth_or_stencil(format))
1107       templ.format = nv50_blit_zeta_to_colour_format(format);
1108    else
1109       templ.format = format;
1110 
1111    templ.u.tex.level = level;
1112    templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
1113 
1114    if (layer == -1) {
1115       templ.u.tex.first_layer = 0;
1116       templ.u.tex.last_layer =
1117          (res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
1118    }
1119 
1120    nv50->framebuffer.cbufs[0] = nv50_miptree_surface_new(pipe, res, &templ);
1121    nv50->framebuffer.nr_cbufs = 1;
1122    nv50->framebuffer.zsbuf = NULL;
1123    nv50->framebuffer.width = nv50->framebuffer.cbufs[0]->width;
1124    nv50->framebuffer.height = nv50->framebuffer.cbufs[0]->height;
1125 }
1126 
1127 static void
nv50_blit_set_src(struct nv50_blitctx * blit,struct pipe_resource * res,unsigned level,unsigned layer,enum pipe_format format,const uint8_t filter)1128 nv50_blit_set_src(struct nv50_blitctx *blit,
1129                   struct pipe_resource *res, unsigned level, unsigned layer,
1130                   enum pipe_format format, const uint8_t filter)
1131 {
1132    struct nv50_context *nv50 = blit->nv50;
1133    struct pipe_context *pipe = &nv50->base.pipe;
1134    struct pipe_sampler_view templ;
1135    uint32_t flags;
1136    enum pipe_texture_target target;
1137 
1138    target = nv50_blit_reinterpret_pipe_texture_target(res->target);
1139 
1140    templ.format = format;
1141    templ.u.tex.first_level = templ.u.tex.last_level = level;
1142    templ.u.tex.first_layer = templ.u.tex.last_layer = layer;
1143    templ.swizzle_r = PIPE_SWIZZLE_X;
1144    templ.swizzle_g = PIPE_SWIZZLE_Y;
1145    templ.swizzle_b = PIPE_SWIZZLE_Z;
1146    templ.swizzle_a = PIPE_SWIZZLE_W;
1147 
1148    if (layer == -1) {
1149       templ.u.tex.first_layer = 0;
1150       templ.u.tex.last_layer =
1151          (res->target == PIPE_TEXTURE_3D ? res->depth0 : res->array_size) - 1;
1152    }
1153 
1154    flags = res->last_level ? 0 : NV50_TEXVIEW_SCALED_COORDS;
1155    flags |= NV50_TEXVIEW_ACCESS_RESOLVE;
1156    if (filter && res->nr_samples == 8)
1157       flags |= NV50_TEXVIEW_FILTER_MSAA8;
1158 
1159    nv50->textures[2][0] = nv50_create_texture_view(
1160       pipe, res, &templ, flags, target);
1161    nv50->textures[2][1] = NULL;
1162 
1163    nv50->num_textures[0] = nv50->num_textures[1] = 0;
1164    nv50->num_textures[2] = 1;
1165 
1166    templ.format = nv50_zs_to_s_format(format);
1167    if (templ.format != res->format) {
1168       nv50->textures[2][1] = nv50_create_texture_view(
1169          pipe, res, &templ, flags, target);
1170       nv50->num_textures[2] = 2;
1171    }
1172 }
1173 
1174 static void
nv50_blitctx_prepare_state(struct nv50_blitctx * blit)1175 nv50_blitctx_prepare_state(struct nv50_blitctx *blit)
1176 {
1177    struct nouveau_pushbuf *push = blit->nv50->base.pushbuf;
1178 
1179    if (blit->nv50->cond_query && !blit->render_condition_enable) {
1180       BEGIN_NV04(push, NV50_3D(COND_MODE), 1);
1181       PUSH_DATA (push, NV50_3D_COND_MODE_ALWAYS);
1182    }
1183 
1184    /* blend state */
1185    BEGIN_NV04(push, NV50_3D(COLOR_MASK(0)), 1);
1186    PUSH_DATA (push, blit->color_mask);
1187    BEGIN_NV04(push, NV50_3D(BLEND_ENABLE(0)), 1);
1188    PUSH_DATA (push, 0);
1189    BEGIN_NV04(push, NV50_3D(LOGIC_OP_ENABLE), 1);
1190    PUSH_DATA (push, 0);
1191 
1192    /* rasterizer state */
1193 #ifndef NV50_SCISSORS_CLIPPING
1194    BEGIN_NV04(push, NV50_3D(SCISSOR_ENABLE(0)), 1);
1195    PUSH_DATA (push, 1);
1196 #endif
1197    BEGIN_NV04(push, NV50_3D(VERTEX_TWO_SIDE_ENABLE), 1);
1198    PUSH_DATA (push, 0);
1199    BEGIN_NV04(push, NV50_3D(FRAG_COLOR_CLAMP_EN), 1);
1200    PUSH_DATA (push, 0);
1201    BEGIN_NV04(push, NV50_3D(MULTISAMPLE_ENABLE), 1);
1202    PUSH_DATA (push, 0);
1203    BEGIN_NV04(push, NV50_3D(MSAA_MASK(0)), 4);
1204    PUSH_DATA (push, 0xffff);
1205    PUSH_DATA (push, 0xffff);
1206    PUSH_DATA (push, 0xffff);
1207    PUSH_DATA (push, 0xffff);
1208    BEGIN_NV04(push, NV50_3D(POLYGON_MODE_FRONT), 3);
1209    PUSH_DATA (push, NV50_3D_POLYGON_MODE_FRONT_FILL);
1210    PUSH_DATA (push, NV50_3D_POLYGON_MODE_BACK_FILL);
1211    PUSH_DATA (push, 0);
1212    BEGIN_NV04(push, NV50_3D(CULL_FACE_ENABLE), 1);
1213    PUSH_DATA (push, 0);
1214    BEGIN_NV04(push, NV50_3D(POLYGON_STIPPLE_ENABLE), 1);
1215    PUSH_DATA (push, 0);
1216    BEGIN_NV04(push, NV50_3D(POLYGON_OFFSET_FILL_ENABLE), 1);
1217    PUSH_DATA (push, 0);
1218 
1219    /* zsa state */
1220    BEGIN_NV04(push, NV50_3D(DEPTH_TEST_ENABLE), 1);
1221    PUSH_DATA (push, 0);
1222    BEGIN_NV04(push, NV50_3D(DEPTH_BOUNDS_EN), 1);
1223    PUSH_DATA (push, 0);
1224    BEGIN_NV04(push, NV50_3D(STENCIL_ENABLE), 1);
1225    PUSH_DATA (push, 0);
1226    BEGIN_NV04(push, NV50_3D(ALPHA_TEST_ENABLE), 1);
1227    PUSH_DATA (push, 0);
1228 }
1229 
1230 static void
nv50_blitctx_pre_blit(struct nv50_blitctx * ctx,const struct pipe_blit_info * info)1231 nv50_blitctx_pre_blit(struct nv50_blitctx *ctx,
1232                       const struct pipe_blit_info *info)
1233 {
1234    struct nv50_context *nv50 = ctx->nv50;
1235    struct nv50_blitter *blitter = nv50->screen->blitter;
1236    int s;
1237 
1238    ctx->saved.fb.width = nv50->framebuffer.width;
1239    ctx->saved.fb.height = nv50->framebuffer.height;
1240    ctx->saved.fb.nr_cbufs = nv50->framebuffer.nr_cbufs;
1241    ctx->saved.fb.cbufs[0] = nv50->framebuffer.cbufs[0];
1242    ctx->saved.fb.zsbuf = nv50->framebuffer.zsbuf;
1243 
1244    ctx->saved.rast = nv50->rast;
1245 
1246    ctx->saved.vp = nv50->vertprog;
1247    ctx->saved.gp = nv50->gmtyprog;
1248    ctx->saved.fp = nv50->fragprog;
1249 
1250    ctx->saved.min_samples = nv50->min_samples;
1251    ctx->saved.window_rect = nv50->window_rect;
1252 
1253    nv50->rast = &ctx->rast;
1254 
1255    nv50->vertprog = &blitter->vp;
1256    nv50->gmtyprog = NULL;
1257    nv50->fragprog = ctx->fp;
1258 
1259    nv50->window_rect.rects =
1260       MIN2(info->num_window_rectangles, NV50_MAX_WINDOW_RECTANGLES);
1261    nv50->window_rect.inclusive = info->window_rectangle_include;
1262    if (nv50->window_rect.rects)
1263       memcpy(nv50->window_rect.rect, info->window_rectangles,
1264              sizeof(struct pipe_scissor_state) * nv50->window_rect.rects);
1265 
1266    for (s = 0; s < 3; ++s) {
1267       ctx->saved.num_textures[s] = nv50->num_textures[s];
1268       ctx->saved.num_samplers[s] = nv50->num_samplers[s];
1269    }
1270    ctx->saved.texture[0] = nv50->textures[2][0];
1271    ctx->saved.texture[1] = nv50->textures[2][1];
1272    ctx->saved.sampler[0] = nv50->samplers[2][0];
1273    ctx->saved.sampler[1] = nv50->samplers[2][1];
1274 
1275    nv50->samplers[2][0] = &blitter->sampler[ctx->filter];
1276    nv50->samplers[2][1] = &blitter->sampler[ctx->filter];
1277 
1278    nv50->num_samplers[0] = nv50->num_samplers[1] = 0;
1279    nv50->num_samplers[2] = 2;
1280 
1281    nv50->min_samples = 1;
1282 
1283    ctx->saved.dirty_3d = nv50->dirty_3d;
1284 
1285    nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_FB);
1286    nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_TEXTURES);
1287 
1288    nv50->dirty_3d =
1289       NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_MIN_SAMPLES |
1290       NV50_NEW_3D_VERTPROG | NV50_NEW_3D_FRAGPROG | NV50_NEW_3D_GMTYPROG |
1291       NV50_NEW_3D_TEXTURES | NV50_NEW_3D_SAMPLERS | NV50_NEW_3D_WINDOW_RECTS;
1292 }
1293 
1294 static void
nv50_blitctx_post_blit(struct nv50_blitctx * blit)1295 nv50_blitctx_post_blit(struct nv50_blitctx *blit)
1296 {
1297    struct nv50_context *nv50 = blit->nv50;
1298    int s;
1299 
1300    pipe_surface_reference(&nv50->framebuffer.cbufs[0], NULL);
1301 
1302    nv50->framebuffer.width = blit->saved.fb.width;
1303    nv50->framebuffer.height = blit->saved.fb.height;
1304    nv50->framebuffer.nr_cbufs = blit->saved.fb.nr_cbufs;
1305    nv50->framebuffer.cbufs[0] = blit->saved.fb.cbufs[0];
1306    nv50->framebuffer.zsbuf = blit->saved.fb.zsbuf;
1307 
1308    nv50->rast = blit->saved.rast;
1309 
1310    nv50->vertprog = blit->saved.vp;
1311    nv50->gmtyprog = blit->saved.gp;
1312    nv50->fragprog = blit->saved.fp;
1313 
1314    nv50->min_samples = blit->saved.min_samples;
1315    nv50->window_rect = blit->saved.window_rect;
1316 
1317    pipe_sampler_view_reference(&nv50->textures[2][0], NULL);
1318    pipe_sampler_view_reference(&nv50->textures[2][1], NULL);
1319 
1320    for (s = 0; s < 3; ++s) {
1321       nv50->num_textures[s] = blit->saved.num_textures[s];
1322       nv50->num_samplers[s] = blit->saved.num_samplers[s];
1323    }
1324    nv50->textures[2][0] = blit->saved.texture[0];
1325    nv50->textures[2][1] = blit->saved.texture[1];
1326    nv50->samplers[2][0] = blit->saved.sampler[0];
1327    nv50->samplers[2][1] = blit->saved.sampler[1];
1328 
1329    if (nv50->cond_query && !blit->render_condition_enable)
1330       nv50->base.pipe.render_condition(&nv50->base.pipe, nv50->cond_query,
1331                                        nv50->cond_cond, nv50->cond_mode);
1332 
1333    nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_FB);
1334    nouveau_bufctx_reset(nv50->bufctx_3d, NV50_BIND_3D_TEXTURES);
1335 
1336    nv50->dirty_3d = blit->saved.dirty_3d |
1337       (NV50_NEW_3D_FRAMEBUFFER | NV50_NEW_3D_SCISSOR | NV50_NEW_3D_SAMPLE_MASK |
1338        NV50_NEW_3D_RASTERIZER | NV50_NEW_3D_ZSA | NV50_NEW_3D_BLEND |
1339        NV50_NEW_3D_TEXTURES | NV50_NEW_3D_SAMPLERS | NV50_NEW_3D_WINDOW_RECTS |
1340        NV50_NEW_3D_VERTPROG | NV50_NEW_3D_GMTYPROG | NV50_NEW_3D_FRAGPROG);
1341    nv50->scissors_dirty |= 1;
1342 
1343    nv50->base.pipe.set_min_samples(&nv50->base.pipe, blit->saved.min_samples);
1344 }
1345 
1346 
1347 static void
nv50_blit_3d(struct nv50_context * nv50,const struct pipe_blit_info * info)1348 nv50_blit_3d(struct nv50_context *nv50, const struct pipe_blit_info *info)
1349 {
1350    struct nv50_blitctx *blit = nv50->blit;
1351    struct nouveau_pushbuf *push = nv50->base.pushbuf;
1352    struct pipe_resource *src = info->src.resource;
1353    struct pipe_resource *dst = info->dst.resource;
1354    int32_t minx, maxx, miny, maxy;
1355    int32_t i;
1356    float x0, x1, y0, y1, z;
1357    float dz;
1358    float x_range, y_range;
1359 
1360    blit->mode = nv50_blit_select_mode(info);
1361    blit->color_mask = nv50_blit_derive_color_mask(info);
1362    blit->filter = nv50_blit_get_filter(info);
1363    blit->render_condition_enable = info->render_condition_enable;
1364 
1365    nv50_blit_select_fp(blit, info);
1366    nv50_blitctx_pre_blit(blit, info);
1367 
1368    nv50_blit_set_dst(blit, dst, info->dst.level, -1, info->dst.format);
1369    nv50_blit_set_src(blit, src, info->src.level, -1, info->src.format,
1370                      blit->filter);
1371 
1372    nv50_blitctx_prepare_state(blit);
1373 
1374    nv50_state_validate_3d(nv50, ~0);
1375 
1376    x_range = (float)info->src.box.width / (float)info->dst.box.width;
1377    y_range = (float)info->src.box.height / (float)info->dst.box.height;
1378 
1379    x0 = (float)info->src.box.x - x_range * (float)info->dst.box.x;
1380    y0 = (float)info->src.box.y - y_range * (float)info->dst.box.y;
1381 
1382    x1 = x0 + 16384.0f * x_range;
1383    y1 = y0 + 16384.0f * y_range;
1384 
1385    x0 *= (float)(1 << nv50_miptree(src)->ms_x);
1386    x1 *= (float)(1 << nv50_miptree(src)->ms_x);
1387    y0 *= (float)(1 << nv50_miptree(src)->ms_y);
1388    y1 *= (float)(1 << nv50_miptree(src)->ms_y);
1389 
1390    /* XXX: multiply by 6 for cube arrays ? */
1391    dz = (float)info->src.box.depth / (float)info->dst.box.depth;
1392    z = (float)info->src.box.z;
1393    if (nv50_miptree(src)->layout_3d)
1394       z += 0.5f * dz;
1395 
1396    if (src->last_level > 0) {
1397       /* If there are mip maps, GPU always assumes normalized coordinates. */
1398       const unsigned l = info->src.level;
1399       const float fh = u_minify(src->width0 << nv50_miptree(src)->ms_x, l);
1400       const float fv = u_minify(src->height0 << nv50_miptree(src)->ms_y, l);
1401       x0 /= fh;
1402       x1 /= fh;
1403       y0 /= fv;
1404       y1 /= fv;
1405       if (nv50_miptree(src)->layout_3d) {
1406          z /= u_minify(src->depth0, l);
1407          dz /= u_minify(src->depth0, l);
1408       }
1409    }
1410 
1411    BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
1412    PUSH_DATA (push, 0);
1413    BEGIN_NV04(push, NV50_3D(VIEW_VOLUME_CLIP_CTRL), 1);
1414    PUSH_DATA (push, 0x1);
1415 
1416    /* Draw a large triangle in screen coordinates covering the whole
1417     * render target, with scissors defining the destination region.
1418     * The vertex is supplied with non-normalized texture coordinates
1419     * arranged in a way to yield the desired offset and scale.
1420     */
1421 
1422    minx = info->dst.box.x;
1423    maxx = info->dst.box.x + info->dst.box.width;
1424    miny = info->dst.box.y;
1425    maxy = info->dst.box.y + info->dst.box.height;
1426    if (info->scissor_enable) {
1427       minx = MAX2(minx, info->scissor.minx);
1428       maxx = MIN2(maxx, info->scissor.maxx);
1429       miny = MAX2(miny, info->scissor.miny);
1430       maxy = MIN2(maxy, info->scissor.maxy);
1431    }
1432    BEGIN_NV04(push, NV50_3D(SCISSOR_HORIZ(0)), 2);
1433    PUSH_DATA (push, (maxx << 16) | minx);
1434    PUSH_DATA (push, (maxy << 16) | miny);
1435 
1436    for (i = 0; i < info->dst.box.depth; ++i, z += dz) {
1437       if (info->dst.box.z + i) {
1438          BEGIN_NV04(push, NV50_3D(LAYER), 1);
1439          PUSH_DATA (push, info->dst.box.z + i);
1440       }
1441       PUSH_SPACE(push, 32);
1442       BEGIN_NV04(push, NV50_3D(VERTEX_BEGIN_GL), 1);
1443       PUSH_DATA (push, NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_TRIANGLES);
1444       BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
1445       PUSH_DATAf(push, x0);
1446       PUSH_DATAf(push, y0);
1447       PUSH_DATAf(push, z);
1448       BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
1449       PUSH_DATAf(push, 0.0f);
1450       PUSH_DATAf(push, 0.0f);
1451       BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
1452       PUSH_DATAf(push, x1);
1453       PUSH_DATAf(push, y0);
1454       PUSH_DATAf(push, z);
1455       BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
1456       PUSH_DATAf(push, 16384.0f);
1457       PUSH_DATAf(push, 0.0f);
1458       BEGIN_NV04(push, NV50_3D(VTX_ATTR_3F_X(1)), 3);
1459       PUSH_DATAf(push, x0);
1460       PUSH_DATAf(push, y1);
1461       PUSH_DATAf(push, z);
1462       BEGIN_NV04(push, NV50_3D(VTX_ATTR_2F_X(0)), 2);
1463       PUSH_DATAf(push, 0.0f);
1464       PUSH_DATAf(push, 16384.0f);
1465       BEGIN_NV04(push, NV50_3D(VERTEX_END_GL), 1);
1466       PUSH_DATA (push, 0);
1467    }
1468    if (info->dst.box.z + info->dst.box.depth - 1) {
1469       BEGIN_NV04(push, NV50_3D(LAYER), 1);
1470       PUSH_DATA (push, 0);
1471    }
1472 
1473    /* re-enable normally constant state */
1474 
1475    BEGIN_NV04(push, NV50_3D(VIEWPORT_TRANSFORM_EN), 1);
1476    PUSH_DATA (push, 1);
1477 
1478    nv50_blitctx_post_blit(blit);
1479 }
1480 
1481 static void
nv50_blit_eng2d(struct nv50_context * nv50,const struct pipe_blit_info * info)1482 nv50_blit_eng2d(struct nv50_context *nv50, const struct pipe_blit_info *info)
1483 {
1484    struct nouveau_pushbuf *push = nv50->base.pushbuf;
1485    struct nv50_miptree *dst = nv50_miptree(info->dst.resource);
1486    struct nv50_miptree *src = nv50_miptree(info->src.resource);
1487    const int32_t srcx_adj = info->src.box.width < 0 ? -1 : 0;
1488    const int32_t srcy_adj = info->src.box.height < 0 ? -1 : 0;
1489    const int32_t dz = info->dst.box.z;
1490    const int32_t sz = info->src.box.z;
1491    uint32_t dstw, dsth;
1492    int32_t dstx, dsty;
1493    int64_t srcx, srcy;
1494    int64_t du_dx, dv_dy;
1495    int i;
1496    uint32_t mode;
1497    uint32_t mask = nv50_blit_eng2d_get_mask(info);
1498    bool b;
1499 
1500    mode = nv50_blit_get_filter(info) ?
1501       NV50_2D_BLIT_CONTROL_FILTER_BILINEAR :
1502       NV50_2D_BLIT_CONTROL_FILTER_POINT_SAMPLE;
1503    mode |= (src->base.base.nr_samples > dst->base.base.nr_samples) ?
1504       NV50_2D_BLIT_CONTROL_ORIGIN_CORNER : NV50_2D_BLIT_CONTROL_ORIGIN_CENTER;
1505 
1506    du_dx = ((int64_t)info->src.box.width << 32) / info->dst.box.width;
1507    dv_dy = ((int64_t)info->src.box.height << 32) / info->dst.box.height;
1508 
1509    b = info->dst.format == info->src.format;
1510    nv50_2d_texture_set(push, 1, dst, info->dst.level, dz, info->dst.format, b);
1511    nv50_2d_texture_set(push, 0, src, info->src.level, sz, info->src.format, b);
1512 
1513    if (info->scissor_enable) {
1514       BEGIN_NV04(push, NV50_2D(CLIP_X), 5);
1515       PUSH_DATA (push, info->scissor.minx << dst->ms_x);
1516       PUSH_DATA (push, info->scissor.miny << dst->ms_y);
1517       PUSH_DATA (push, (info->scissor.maxx - info->scissor.minx) << dst->ms_x);
1518       PUSH_DATA (push, (info->scissor.maxy - info->scissor.miny) << dst->ms_y);
1519       PUSH_DATA (push, 1); /* enable */
1520    }
1521 
1522    if (nv50->cond_query && info->render_condition_enable) {
1523       BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
1524       PUSH_DATA (push, nv50->cond_condmode);
1525    }
1526 
1527    if (mask != 0xffffffff) {
1528       BEGIN_NV04(push, NV50_2D(ROP), 1);
1529       PUSH_DATA (push, 0xca); /* DPSDxax */
1530       BEGIN_NV04(push, NV50_2D(PATTERN_COLOR_FORMAT), 1);
1531       PUSH_DATA (push, NV50_2D_PATTERN_COLOR_FORMAT_A8R8G8B8);
1532       BEGIN_NV04(push, NV50_2D(PATTERN_BITMAP_COLOR(0)), 4);
1533       PUSH_DATA (push, 0x00000000);
1534       PUSH_DATA (push, mask);
1535       PUSH_DATA (push, 0xffffffff);
1536       PUSH_DATA (push, 0xffffffff);
1537       BEGIN_NV04(push, NV50_2D(OPERATION), 1);
1538       PUSH_DATA (push, NV50_2D_OPERATION_ROP);
1539    } else
1540    if (info->src.format != info->dst.format) {
1541       if (info->src.format == PIPE_FORMAT_R8_UNORM ||
1542           info->src.format == PIPE_FORMAT_R16_UNORM ||
1543           info->src.format == PIPE_FORMAT_R16_FLOAT ||
1544           info->src.format == PIPE_FORMAT_R32_FLOAT) {
1545          mask = 0xffff0000; /* also makes condition for OPERATION reset true */
1546          BEGIN_NV04(push, NV50_2D(BETA4), 2);
1547          PUSH_DATA (push, mask);
1548          PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY_PREMULT);
1549       }
1550    }
1551 
1552    if (src->ms_x > dst->ms_x || src->ms_y > dst->ms_y) {
1553       /* ms_x is always >= ms_y */
1554       du_dx <<= src->ms_x - dst->ms_x;
1555       dv_dy <<= src->ms_y - dst->ms_y;
1556    } else {
1557       du_dx >>= dst->ms_x - src->ms_x;
1558       dv_dy >>= dst->ms_y - src->ms_y;
1559    }
1560 
1561    srcx = (int64_t)(info->src.box.x + srcx_adj) << (src->ms_x + 32);
1562    srcy = (int64_t)(info->src.box.y + srcy_adj) << (src->ms_y + 32);
1563 
1564    if (src->base.base.nr_samples > dst->base.base.nr_samples) {
1565       /* center src coorinates for proper MS resolve filtering */
1566       srcx += (int64_t)1 << (src->ms_x + 31);
1567       srcy += (int64_t)1 << (src->ms_y + 31);
1568    }
1569 
1570    dstx = info->dst.box.x << dst->ms_x;
1571    dsty = info->dst.box.y << dst->ms_y;
1572 
1573    dstw = info->dst.box.width << dst->ms_x;
1574    dsth = info->dst.box.height << dst->ms_y;
1575 
1576    if (dstx < 0) {
1577       dstw += dstx;
1578       srcx -= du_dx * dstx;
1579       dstx = 0;
1580    }
1581    if (dsty < 0) {
1582       dsth += dsty;
1583       srcy -= dv_dy * dsty;
1584       dsty = 0;
1585    }
1586 
1587    BEGIN_NV04(push, NV50_2D(BLIT_CONTROL), 1);
1588    PUSH_DATA (push, mode);
1589    BEGIN_NV04(push, NV50_2D(BLIT_DST_X), 4);
1590    PUSH_DATA (push, dstx);
1591    PUSH_DATA (push, dsty);
1592    PUSH_DATA (push, dstw);
1593    PUSH_DATA (push, dsth);
1594    BEGIN_NV04(push, NV50_2D(BLIT_DU_DX_FRACT), 4);
1595    PUSH_DATA (push, du_dx);
1596    PUSH_DATA (push, du_dx >> 32);
1597    PUSH_DATA (push, dv_dy);
1598    PUSH_DATA (push, dv_dy >> 32);
1599 
1600    BCTX_REFN(nv50->bufctx, 2D, &dst->base, WR);
1601    BCTX_REFN(nv50->bufctx, 2D, &src->base, RD);
1602    nouveau_pushbuf_bufctx(nv50->base.pushbuf, nv50->bufctx);
1603    if (nouveau_pushbuf_validate(nv50->base.pushbuf))
1604       return;
1605 
1606    for (i = 0; i < info->dst.box.depth; ++i) {
1607       if (i > 0) {
1608          /* no scaling in z-direction possible for eng2d blits */
1609          if (dst->layout_3d) {
1610             BEGIN_NV04(push, NV50_2D(DST_LAYER), 1);
1611             PUSH_DATA (push, info->dst.box.z + i);
1612          } else {
1613             const unsigned z = info->dst.box.z + i;
1614             const uint64_t address = dst->base.address +
1615                dst->level[info->dst.level].offset +
1616                z * dst->layer_stride;
1617             BEGIN_NV04(push, NV50_2D(DST_ADDRESS_HIGH), 2);
1618             PUSH_DATAh(push, address);
1619             PUSH_DATA (push, address);
1620          }
1621          if (src->layout_3d) {
1622             /* not possible because of depth tiling */
1623             assert(0);
1624          } else {
1625             const unsigned z = info->src.box.z + i;
1626             const uint64_t address = src->base.address +
1627                src->level[info->src.level].offset +
1628                z * src->layer_stride;
1629             BEGIN_NV04(push, NV50_2D(SRC_ADDRESS_HIGH), 2);
1630             PUSH_DATAh(push, address);
1631             PUSH_DATA (push, address);
1632          }
1633          BEGIN_NV04(push, NV50_2D(BLIT_SRC_Y_INT), 1); /* trigger */
1634          PUSH_DATA (push, srcy >> 32);
1635       } else {
1636          BEGIN_NV04(push, NV50_2D(BLIT_SRC_X_FRACT), 4);
1637          PUSH_DATA (push, srcx);
1638          PUSH_DATA (push, srcx >> 32);
1639          PUSH_DATA (push, srcy);
1640          PUSH_DATA (push, srcy >> 32);
1641       }
1642    }
1643    nv50_bufctx_fence(nv50->bufctx, false);
1644 
1645    nouveau_bufctx_reset(nv50->bufctx, NV50_BIND_2D);
1646 
1647    if (info->scissor_enable) {
1648       BEGIN_NV04(push, NV50_2D(CLIP_ENABLE), 1);
1649       PUSH_DATA (push, 0);
1650    }
1651    if (mask != 0xffffffff) {
1652       BEGIN_NV04(push, NV50_2D(OPERATION), 1);
1653       PUSH_DATA (push, NV50_2D_OPERATION_SRCCOPY);
1654    }
1655    if (nv50->cond_query && info->render_condition_enable) {
1656       BEGIN_NV04(push, NV50_2D(COND_MODE), 1);
1657       PUSH_DATA (push, NV50_2D_COND_MODE_ALWAYS);
1658    }
1659 }
1660 
1661 static void
nv50_blit(struct pipe_context * pipe,const struct pipe_blit_info * info)1662 nv50_blit(struct pipe_context *pipe, const struct pipe_blit_info *info)
1663 {
1664    struct nv50_context *nv50 = nv50_context(pipe);
1665    struct nouveau_pushbuf *push = nv50->base.pushbuf;
1666    bool eng3d = FALSE;
1667 
1668    if (info->src.box.width == 0 || info->src.box.height == 0 ||
1669        info->dst.box.width == 0 || info->dst.box.height == 0) {
1670       pipe_debug_message(&nv50->base.debug, ERROR,
1671                          "Blit with zero-size src or dst box");
1672       return;
1673    }
1674 
1675    if (util_format_is_depth_or_stencil(info->dst.resource->format)) {
1676       if (!(info->mask & PIPE_MASK_ZS))
1677          return;
1678       if (info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT ||
1679           info->dst.resource->format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT)
1680          eng3d = true;
1681       if (info->filter != PIPE_TEX_FILTER_NEAREST)
1682          eng3d = true;
1683    } else {
1684       if (!(info->mask & PIPE_MASK_RGBA))
1685          return;
1686       if (info->mask != PIPE_MASK_RGBA)
1687          eng3d = true;
1688    }
1689 
1690    if (nv50_miptree(info->src.resource)->layout_3d) {
1691       eng3d = true;
1692    } else
1693    if (info->src.box.depth != info->dst.box.depth) {
1694       eng3d = true;
1695       debug_printf("blit: cannot filter array or cube textures in z direction");
1696    }
1697 
1698    if (!eng3d && info->dst.format != info->src.format) {
1699       if (!nv50_2d_dst_format_faithful(info->dst.format) ||
1700           !nv50_2d_src_format_faithful(info->src.format)) {
1701          eng3d = true;
1702       } else
1703       if (!nv50_2d_src_format_faithful(info->src.format)) {
1704          if (!util_format_is_luminance(info->src.format)) {
1705             if (util_format_is_intensity(info->src.format))
1706                eng3d = true;
1707             else
1708             if (!nv50_2d_dst_format_ops_supported(info->dst.format))
1709                eng3d = true;
1710             else
1711                eng3d = !nv50_2d_format_supported(info->src.format);
1712          }
1713       } else
1714       if (util_format_is_luminance_alpha(info->src.format))
1715          eng3d = true;
1716    }
1717 
1718    if (info->src.resource->nr_samples == 8 &&
1719        info->dst.resource->nr_samples <= 1)
1720       eng3d = true;
1721 
1722    if (info->num_window_rectangles > 0 || info->window_rectangle_include)
1723       eng3d = true;
1724 
1725    /* FIXME: can't make this work with eng2d anymore */
1726    if ((info->src.resource->nr_samples | 1) !=
1727        (info->dst.resource->nr_samples | 1))
1728       eng3d = true;
1729 
1730    /* FIXME: find correct src coordinate adjustments */
1731    if ((info->src.box.width !=  info->dst.box.width &&
1732         info->src.box.width != -info->dst.box.width) ||
1733        (info->src.box.height !=  info->dst.box.height &&
1734         info->src.box.height != -info->dst.box.height))
1735       eng3d = true;
1736 
1737    if (nv50->screen->num_occlusion_queries_active) {
1738       BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
1739       PUSH_DATA (push, 0);
1740    }
1741 
1742    if (!eng3d)
1743       nv50_blit_eng2d(nv50, info);
1744    else
1745       nv50_blit_3d(nv50, info);
1746 
1747    if (nv50->screen->num_occlusion_queries_active) {
1748       BEGIN_NV04(push, NV50_3D(SAMPLECNT_ENABLE), 1);
1749       PUSH_DATA (push, 1);
1750    }
1751 }
1752 
1753 static void
nv50_flush_resource(struct pipe_context * ctx,struct pipe_resource * resource)1754 nv50_flush_resource(struct pipe_context *ctx,
1755                     struct pipe_resource *resource)
1756 {
1757 }
1758 
1759 bool
nv50_blitter_create(struct nv50_screen * screen)1760 nv50_blitter_create(struct nv50_screen *screen)
1761 {
1762    screen->blitter = CALLOC_STRUCT(nv50_blitter);
1763    if (!screen->blitter) {
1764       NOUVEAU_ERR("failed to allocate blitter struct\n");
1765       return false;
1766    }
1767 
1768    (void) mtx_init(&screen->blitter->mutex, mtx_plain);
1769 
1770    nv50_blitter_make_vp(screen->blitter);
1771    nv50_blitter_make_sampler(screen->blitter);
1772 
1773    return true;
1774 }
1775 
1776 void
nv50_blitter_destroy(struct nv50_screen * screen)1777 nv50_blitter_destroy(struct nv50_screen *screen)
1778 {
1779    struct nv50_blitter *blitter = screen->blitter;
1780    unsigned i, m;
1781 
1782    for (i = 0; i < NV50_BLIT_MAX_TEXTURE_TYPES; ++i) {
1783       for (m = 0; m < NV50_BLIT_MODES; ++m) {
1784          struct nv50_program *prog = blitter->fp[i][m];
1785          if (prog) {
1786             nv50_program_destroy(NULL, prog);
1787             FREE((void *)prog->pipe.tokens);
1788             FREE(prog);
1789          }
1790       }
1791    }
1792 
1793    mtx_destroy(&blitter->mutex);
1794    FREE(blitter);
1795 }
1796 
1797 bool
nv50_blitctx_create(struct nv50_context * nv50)1798 nv50_blitctx_create(struct nv50_context *nv50)
1799 {
1800    nv50->blit = CALLOC_STRUCT(nv50_blitctx);
1801    if (!nv50->blit) {
1802       NOUVEAU_ERR("failed to allocate blit context\n");
1803       return false;
1804    }
1805 
1806    nv50->blit->nv50 = nv50;
1807 
1808    nv50->blit->rast.pipe.half_pixel_center = 1;
1809 
1810    return true;
1811 }
1812 
1813 void
nv50_init_surface_functions(struct nv50_context * nv50)1814 nv50_init_surface_functions(struct nv50_context *nv50)
1815 {
1816    struct pipe_context *pipe = &nv50->base.pipe;
1817 
1818    pipe->resource_copy_region = nv50_resource_copy_region;
1819    pipe->blit = nv50_blit;
1820    pipe->flush_resource = nv50_flush_resource;
1821    pipe->clear_texture = nv50_clear_texture;
1822    pipe->clear_render_target = nv50_clear_render_target;
1823    pipe->clear_depth_stencil = nv50_clear_depth_stencil;
1824    pipe->clear_buffer = nv50_clear_buffer;
1825 }
1826