projects / mesa.git / blob
? search:


584b7fc1806f12da46d8e0e7b4ca7b009c792832
[mesa.git] / src / gallium / drivers / r600 / r600_blit.c
1 /*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23 #include "r600_pipe.h"
24 #include "util/u_surface.h"
25 #include "util/u_blitter.h"
26 #include "util/u_format.h"
27
28 enum r600_blitter_op /* bitmask */
29 {
30 R600_SAVE_FRAGMENT_STATE = 1,
31 R600_SAVE_TEXTURES = 2,
32 R600_SAVE_FRAMEBUFFER = 4,
33 R600_DISABLE_RENDER_COND = 8,
34
35 R600_CLEAR = R600_SAVE_FRAGMENT_STATE,
36
37 R600_CLEAR_SURFACE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER,
38
39 R600_COPY_BUFFER = R600_DISABLE_RENDER_COND,
40
41 R600_COPY_TEXTURE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_SAVE_TEXTURES |
42 R600_DISABLE_RENDER_COND,
43
44 R600_DECOMPRESS = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND,
45
46 R600_COLOR_RESOLVE = R600_SAVE_FRAGMENT_STATE | R600_SAVE_FRAMEBUFFER | R600_DISABLE_RENDER_COND
47 };
48
49 static void r600_blitter_begin(struct pipe_context *ctx, enum r600_blitter_op op)
50 {
51 struct r600_context *rctx = (struct r600_context *)ctx;
52
53 r600_suspend_nontimer_queries(rctx);
54
55 util_blitter_save_vertex_buffers(rctx->blitter,
56 util_last_bit(rctx->vertex_buffer_state.enabled_mask),
57 rctx->vertex_buffer_state.vb);
58 util_blitter_save_vertex_elements(rctx->blitter, rctx->vertex_elements);
59 util_blitter_save_vertex_shader(rctx->blitter, rctx->vs_shader);
60 util_blitter_save_so_targets(rctx->blitter, rctx->num_so_targets,
61 (struct pipe_stream_output_target**)rctx->so_targets);
62 util_blitter_save_rasterizer(rctx->blitter, rctx->states[R600_PIPE_STATE_RASTERIZER]);
63
64 if (op & R600_SAVE_FRAGMENT_STATE) {
65 if (rctx->states[R600_PIPE_STATE_VIEWPORT]) {
66 util_blitter_save_viewport(rctx->blitter, &rctx->viewport);
67 }
68 util_blitter_save_fragment_shader(rctx->blitter, rctx->ps_shader);
69 util_blitter_save_blend(rctx->blitter, rctx->states[R600_PIPE_STATE_BLEND]);
70 util_blitter_save_depth_stencil_alpha(rctx->blitter, rctx->states[R600_PIPE_STATE_DSA]);
71 if (rctx->states[R600_PIPE_STATE_STENCIL_REF]) {
72 util_blitter_save_stencil_ref(rctx->blitter, &rctx->stencil_ref);
73 }
74 util_blitter_save_sample_mask(rctx->blitter, rctx->sample_mask.sample_mask);
75 }
76
77 if (op & R600_SAVE_FRAMEBUFFER)
78 util_blitter_save_framebuffer(rctx->blitter, &rctx->framebuffer);
79
80 if (op & R600_SAVE_TEXTURES) {
81 util_blitter_save_fragment_sampler_states(
82 rctx->blitter, util_last_bit(rctx->ps_samplers.states.enabled_mask),
83 (void**)rctx->ps_samplers.states.states);
84
85 util_blitter_save_fragment_sampler_views(
86 rctx->blitter, util_last_bit(rctx->ps_samplers.views.enabled_mask),
87 (struct pipe_sampler_view**)rctx->ps_samplers.views.views);
88 }
89
90 if ((op & R600_DISABLE_RENDER_COND) && rctx->current_render_cond) {
91 rctx->saved_render_cond = rctx->current_render_cond;
92 rctx->saved_render_cond_mode = rctx->current_render_cond_mode;
93 rctx->context.render_condition(&rctx->context, NULL, 0);
94 }
95
96 }
97
98 static void r600_blitter_end(struct pipe_context *ctx)
99 {
100 struct r600_context *rctx = (struct r600_context *)ctx;
101 if (rctx->saved_render_cond) {
102 rctx->context.render_condition(&rctx->context,
103 rctx->saved_render_cond,
104 rctx->saved_render_cond_mode);
105 rctx->saved_render_cond = NULL;
106 }
107 r600_resume_nontimer_queries(rctx);
108 }
109
110 static unsigned u_max_layer(struct pipe_resource *r, unsigned level)
111 {
112 switch (r->target) {
113 case PIPE_TEXTURE_CUBE:
114 return 6 - 1;
115 case PIPE_TEXTURE_3D:
116 return u_minify(r->depth0, level) - 1;
117 case PIPE_TEXTURE_1D_ARRAY:
118 case PIPE_TEXTURE_2D_ARRAY:
119 return r->array_size - 1;
120 default:
121 return 0;
122 }
123 }
124
125 static unsigned u_max_sample(struct pipe_resource *r)
126 {
127 return r->nr_samples ? r->nr_samples - 1 : 0;
128 }
129
130 void r600_blit_decompress_depth(struct pipe_context *ctx,
131 struct r600_texture *texture,
132 struct r600_texture *staging,
133 unsigned first_level, unsigned last_level,
134 unsigned first_layer, unsigned last_layer,
135 unsigned first_sample, unsigned last_sample)
136 {
137 struct r600_context *rctx = (struct r600_context *)ctx;
138 unsigned layer, level, sample, checked_last_layer, max_layer, max_sample;
139 struct r600_texture *flushed_depth_texture = staging ?
140 staging : texture->flushed_depth_texture;
141 const struct util_format_description *desc =
142 util_format_description(texture->resource.b.b.format);
143 float depth;
144
145 if (!staging && !texture->dirty_level_mask)
146 return;
147
148 max_sample = u_max_sample(&texture->resource.b.b);
149
150 /* XXX Decompressing MSAA depth textures is broken on R6xx.
151 * There is also a hardlock if CMASK and FMASK are not present.
152 * Just skip this until we find out how to fix it. */
153 if (rctx->chip_class == R600 && max_sample > 0) {
154 texture->dirty_level_mask = 0;
155 return;
156 }
157
158 if (rctx->family == CHIP_RV610 || rctx->family == CHIP_RV630 ||
159 rctx->family == CHIP_RV620 || rctx->family == CHIP_RV635)
160 depth = 0.0f;
161 else
162 depth = 1.0f;
163
164 /* Enable decompression in DB_RENDER_CONTROL */
165 rctx->db_misc_state.flush_depthstencil_through_cb = true;
166 rctx->db_misc_state.copy_depth = util_format_has_depth(desc);
167 rctx->db_misc_state.copy_stencil = util_format_has_stencil(desc);
168 rctx->db_misc_state.copy_sample = first_sample;
169 r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
170
171
172 for (level = first_level; level <= last_level; level++) {
173 if (!staging && !(texture->dirty_level_mask & (1 << level)))
174 continue;
175
176 /* The smaller the mipmap level, the less layers there are
177 * as far as 3D textures are concerned. */
178 max_layer = u_max_layer(&texture->resource.b.b, level);
179 checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
180
181 for (layer = first_layer; layer <= checked_last_layer; layer++) {
182 for (sample = first_sample; sample <= last_sample; sample++) {
183 struct pipe_surface *zsurf, *cbsurf, surf_tmpl;
184
185 if (sample != rctx->db_misc_state.copy_sample) {
186 rctx->db_misc_state.copy_sample = sample;
187 r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
188 }
189
190 surf_tmpl.format = texture->resource.b.b.format;
191 surf_tmpl.u.tex.level = level;
192 surf_tmpl.u.tex.first_layer = layer;
193 surf_tmpl.u.tex.last_layer = layer;
194 surf_tmpl.usage = PIPE_BIND_DEPTH_STENCIL;
195
196 zsurf = ctx->create_surface(ctx, &texture->resource.b.b, &surf_tmpl);
197
198 surf_tmpl.format = flushed_depth_texture->resource.b.b.format;
199 surf_tmpl.u.tex.level = level;
200 surf_tmpl.u.tex.first_layer = layer;
201 surf_tmpl.u.tex.last_layer = layer;
202 surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
203 cbsurf = ctx->create_surface(ctx,
204 &flushed_depth_texture->resource.b.b, &surf_tmpl);
205
206 r600_blitter_begin(ctx, R600_DECOMPRESS);
207 util_blitter_custom_depth_stencil(rctx->blitter, zsurf, cbsurf, 1 << sample,
208 rctx->custom_dsa_flush, depth);
209 r600_blitter_end(ctx);
210
211 pipe_surface_reference(&zsurf, NULL);
212 pipe_surface_reference(&cbsurf, NULL);
213 }
214 }
215
216 /* The texture will always be dirty if some layers or samples aren't flushed.
217 * I don't think this case occurs often though. */
218 if (!staging &&
219 first_layer == 0 && last_layer == max_layer &&
220 first_sample == 0 && last_sample == max_sample) {
221 texture->dirty_level_mask &= ~(1 << level);
222 }
223 }
224
225 /* reenable compression in DB_RENDER_CONTROL */
226 rctx->db_misc_state.flush_depthstencil_through_cb = false;
227 r600_atom_dirty(rctx, &rctx->db_misc_state.atom);
228 }
229
230 void r600_decompress_depth_textures(struct r600_context *rctx,
231 struct r600_samplerview_state *textures)
232 {
233 unsigned i;
234 unsigned depth_texture_mask = textures->compressed_depthtex_mask;
235
236 while (depth_texture_mask) {
237 struct pipe_sampler_view *view;
238 struct r600_texture *tex;
239
240 i = u_bit_scan(&depth_texture_mask);
241
242 view = &textures->views[i]->base;
243 assert(view);
244
245 tex = (struct r600_texture *)view->texture;
246 assert(tex->is_depth && !tex->is_flushing_texture);
247
248 r600_blit_decompress_depth(&rctx->context, tex, NULL,
249 view->u.tex.first_level, view->u.tex.last_level,
250 0, u_max_layer(&tex->resource.b.b, view->u.tex.first_level),
251 0, u_max_sample(&tex->resource.b.b));
252 }
253 }
254
255 static void r600_blit_decompress_color(struct pipe_context *ctx,
256 struct r600_texture *rtex,
257 unsigned first_level, unsigned last_level,
258 unsigned first_layer, unsigned last_layer)
259 {
260 struct r600_context *rctx = (struct r600_context *)ctx;
261 unsigned layer, level, checked_last_layer, max_layer;
262
263 assert(rctx->chip_class != CAYMAN);
264
265 if (!rtex->dirty_level_mask)
266 return;
267
268 for (level = first_level; level <= last_level; level++) {
269 if (!(rtex->dirty_level_mask & (1 << level)))
270 continue;
271
272 /* The smaller the mipmap level, the less layers there are
273 * as far as 3D textures are concerned. */
274 max_layer = u_max_layer(&rtex->resource.b.b, level);
275 checked_last_layer = last_layer < max_layer ? last_layer : max_layer;
276
277 for (layer = first_layer; layer <= checked_last_layer; layer++) {
278 struct pipe_surface *cbsurf, surf_tmpl;
279
280 surf_tmpl.format = rtex->resource.b.b.format;
281 surf_tmpl.u.tex.level = level;
282 surf_tmpl.u.tex.first_layer = layer;
283 surf_tmpl.u.tex.last_layer = layer;
284 surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
285 cbsurf = ctx->create_surface(ctx, &rtex->resource.b.b, &surf_tmpl);
286
287 r600_blitter_begin(ctx, R600_DECOMPRESS);
288 util_blitter_custom_color(rctx->blitter, cbsurf,
289 rctx->custom_blend_decompress);
290 r600_blitter_end(ctx);
291
292 pipe_surface_reference(&cbsurf, NULL);
293 }
294
295 /* The texture will always be dirty if some layers or samples aren't flushed.
296 * I don't think this case occurs often though. */
297 if (first_layer == 0 && last_layer == max_layer) {
298 rtex->dirty_level_mask &= ~(1 << level);
299 }
300 }
301 }
302
303 void r600_decompress_color_textures(struct r600_context *rctx,
304 struct r600_samplerview_state *textures)
305 {
306 unsigned i;
307 unsigned mask = textures->compressed_colortex_mask;
308
309 /* Cayman cannot decompress an MSAA colorbuffer,
310 * but it can read it compressed, so skip this. */
311 assert(rctx->chip_class != CAYMAN);
312 if (rctx->chip_class == CAYMAN) {
313 return;
314 }
315
316 while (mask) {
317 struct pipe_sampler_view *view;
318 struct r600_texture *tex;
319
320 i = u_bit_scan(&mask);
321
322 view = &textures->views[i]->base;
323 assert(view);
324
325 tex = (struct r600_texture *)view->texture;
326 assert(tex->cmask_size && tex->fmask_size);
327
328 r600_blit_decompress_color(&rctx->context, tex,
329 view->u.tex.first_level, view->u.tex.last_level,
330 0, u_max_layer(&tex->resource.b.b, view->u.tex.first_level));
331 }
332 }
333
334 static void r600_copy_first_sample(struct pipe_context *ctx,
335 const struct pipe_resolve_info *info)
336 {
337 struct r600_context *rctx = (struct r600_context *)ctx;
338 struct r600_texture *rsrc = (struct r600_texture*)info->src.res;
339 struct pipe_surface *dst_view, dst_templ;
340 struct pipe_sampler_view src_templ, *src_view;
341 struct pipe_box box;
342
343 if (rsrc->is_depth && !rsrc->is_flushing_texture) {
344 if (!r600_init_flushed_depth_texture(ctx, info->src.res, NULL))
345 return; /* error */
346
347 /* Decompress the first sample only. */
348 r600_blit_decompress_depth(ctx, rsrc, NULL,
349 0, 0,
350 info->src.layer, info->src.layer,
351 0, 0);
352 }
353 if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
354 r600_blit_decompress_color(ctx, rsrc,
355 0, 0,
356 info->src.layer, info->src.layer);
357 }
358
359 /* this is correct for upside-down blits too */
360 u_box_2d(info->src.x0,
361 info->src.y0,
362 info->src.x1 - info->src.x0,
363 info->src.y1 - info->src.y0, &box);
364
365 /* Initialize the surface. */
366 util_blitter_default_dst_texture(&dst_templ, info->dst.res,
367 info->dst.level, info->dst.layer, &box);
368 dst_view = ctx->create_surface(ctx, info->dst.res, &dst_templ);
369
370 /* Initialize the sampler view. */
371 util_blitter_default_src_texture(&src_templ, info->src.res, 0);
372 src_view = ctx->create_sampler_view(ctx, info->src.res, &src_templ);
373
374 /* Copy the first sample into dst. */
375 r600_blitter_begin(ctx, R600_COPY_TEXTURE);
376 util_blitter_copy_texture_view(rctx->blitter, dst_view, ~0, info->dst.x0,
377 info->dst.y0, src_view, 0, &box,
378 info->src.res->width0, info->src.res->height0,
379 info->mask);
380 r600_blitter_end(ctx);
381
382 pipe_surface_reference(&dst_view, NULL);
383 pipe_sampler_view_reference(&src_view, NULL);
384 }
385
386 static boolean is_simple_resolve(const struct pipe_resolve_info *info)
387 {
388 unsigned dst_width = u_minify(info->dst.res->width0, info->dst.level);
389 unsigned dst_height = u_minify(info->dst.res->height0, info->dst.level);
390
391 return info->dst.res->format == info->src.res->format &&
392 dst_width == info->src.res->width0 &&
393 dst_height == info->src.res->height0 &&
394 info->dst.x0 == 0 &&
395 info->dst.y0 == 0 &&
396 info->dst.x1 == dst_width &&
397 info->dst.y1 == dst_height &&
398 info->src.x0 == 0 &&
399 info->src.y0 == 0 &&
400 info->src.x1 == dst_width &&
401 info->src.y1 == dst_height;
402 }
403
404 static void r600_color_resolve(struct pipe_context *ctx,
405 const struct pipe_resolve_info *info)
406 {
407 struct r600_context *rctx = (struct r600_context *)ctx;
408 struct pipe_screen *screen = ctx->screen;
409 struct pipe_resource *tmp, templ;
410 struct pipe_box box;
411 unsigned sample_mask =
412 rctx->chip_class == CAYMAN ? ~0 : ((1ull << MAX2(1, info->src.res->nr_samples)) - 1);
413
414 assert((info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA);
415
416 if (is_simple_resolve(info)) {
417 r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
418 util_blitter_custom_resolve_color(rctx->blitter,
419 info->dst.res, info->dst.level, info->dst.layer,
420 info->src.res, info->src.layer,
421 sample_mask, rctx->custom_blend_resolve);
422 r600_blitter_end(ctx);
423 return;
424 }
425
426 /* resolve into a temporary texture, then blit */
427 templ.target = PIPE_TEXTURE_2D;
428 templ.format = info->src.res->format;
429 templ.width0 = info->src.res->width0;
430 templ.height0 = info->src.res->height0;
431 templ.depth0 = 1;
432 templ.array_size = 1;
433 templ.last_level = 0;
434 templ.nr_samples = 0;
435 templ.usage = PIPE_USAGE_STATIC;
436 templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
437 templ.flags = 0;
438
439 tmp = screen->resource_create(screen, &templ);
440
441 /* XXX use scissor, so that only the needed part of the resource is resolved */
442 r600_blitter_begin(ctx, R600_COLOR_RESOLVE);
443 util_blitter_custom_resolve_color(rctx->blitter,
444 tmp, 0, 0,
445 info->src.res, info->src.layer,
446 sample_mask, rctx->custom_blend_resolve);
447 r600_blitter_end(ctx);
448
449 /* this is correct for upside-down blits too */
450 u_box_2d(info->src.x0,
451 info->src.y0,
452 info->src.x1 - info->src.x0,
453 info->src.y1 - info->src.y0, &box);
454
455 r600_blitter_begin(ctx, R600_COPY_TEXTURE);
456 util_blitter_copy_texture(rctx->blitter, info->dst.res, info->dst.level,
457 ~0, info->dst.x0, info->dst.y0, info->dst.layer,
458 tmp, 0, 0, &box);
459 r600_blitter_end(ctx);
460
461 pipe_resource_reference(&tmp, NULL);
462 }
463
464 static void r600_resource_resolve(struct pipe_context *ctx,
465 const struct pipe_resolve_info *info)
466 {
467 /* make sure we're doing a resolve operation */
468 assert(info->src.res->nr_samples > 1);
469 assert(info->dst.res->nr_samples <= 1);
470
471 /* limitations of multisample resources */
472 assert(info->src.res->last_level == 0);
473 assert(info->src.res->target == PIPE_TEXTURE_2D ||
474 info->src.res->target == PIPE_TEXTURE_2D_ARRAY);
475
476 /* check if the resolve box is valid */
477 assert(info->dst.x0 < info->dst.x1);
478 assert(info->dst.y0 < info->dst.y1);
479
480 /* scaled resolve isn't allowed */
481 assert(abs(info->dst.x0 - info->dst.x1) ==
482 abs(info->src.x0 - info->src.x1));
483 assert(abs(info->dst.y0 - info->dst.y1) ==
484 abs(info->src.y0 - info->src.y1));
485
486 if ((info->mask & PIPE_MASK_ZS) ||
487 util_format_is_pure_integer(info->src.res->format)) {
488 r600_copy_first_sample(ctx, info);
489 } else {
490 r600_color_resolve(ctx, info);
491 }
492 }
493
494 static void r600_clear(struct pipe_context *ctx, unsigned buffers,
495 const union pipe_color_union *color,
496 double depth, unsigned stencil)
497 {
498 struct r600_context *rctx = (struct r600_context *)ctx;
499 struct pipe_framebuffer_state *fb = &rctx->framebuffer;
500
501 r600_blitter_begin(ctx, R600_CLEAR);
502 util_blitter_clear(rctx->blitter, fb->width, fb->height,
503 fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE,
504 color, depth, stencil);
505 r600_blitter_end(ctx);
506 }
507
508 static void r600_clear_render_target(struct pipe_context *ctx,
509 struct pipe_surface *dst,
510 const union pipe_color_union *color,
511 unsigned dstx, unsigned dsty,
512 unsigned width, unsigned height)
513 {
514 struct r600_context *rctx = (struct r600_context *)ctx;
515
516 r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
517 util_blitter_clear_render_target(rctx->blitter, dst, color,
518 dstx, dsty, width, height);
519 r600_blitter_end(ctx);
520 }
521
522 static void r600_clear_depth_stencil(struct pipe_context *ctx,
523 struct pipe_surface *dst,
524 unsigned clear_flags,
525 double depth,
526 unsigned stencil,
527 unsigned dstx, unsigned dsty,
528 unsigned width, unsigned height)
529 {
530 struct r600_context *rctx = (struct r600_context *)ctx;
531
532 r600_blitter_begin(ctx, R600_CLEAR_SURFACE);
533 util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil,
534 dstx, dsty, width, height);
535 r600_blitter_end(ctx);
536 }
537
538 void r600_copy_buffer(struct pipe_context *ctx, struct
539 pipe_resource *dst, unsigned dstx,
540 struct pipe_resource *src, const struct pipe_box *src_box)
541 {
542 struct r600_context *rctx = (struct r600_context*)ctx;
543
544 if (rctx->screen->has_streamout &&
545 /* Require dword alignment. */
546 dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) {
547 r600_blitter_begin(ctx, R600_COPY_BUFFER);
548 util_blitter_copy_buffer(rctx->blitter, dst, dstx, src, src_box->x, src_box->width);
549 r600_blitter_end(ctx);
550 } else {
551 util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box);
552 }
553 }
554
555 struct texture_orig_info {
556 unsigned format;
557 unsigned width0;
558 unsigned height0;
559 unsigned npix_x;
560 unsigned npix_y;
561 unsigned npix0_x;
562 unsigned npix0_y;
563 };
564
565 static void r600_compressed_to_blittable(struct pipe_resource *tex,
566 unsigned level,
567 struct texture_orig_info *orig)
568 {
569 struct r600_texture *rtex = (struct r600_texture*)tex;
570 unsigned pixsize = util_format_get_blocksize(rtex->resource.b.b.format);
571 int new_format;
572 int new_height, new_width;
573
574 orig->format = tex->format;
575 orig->width0 = tex->width0;
576 orig->height0 = tex->height0;
577 orig->npix0_x = rtex->surface.level[0].npix_x;
578 orig->npix0_y = rtex->surface.level[0].npix_y;
579 orig->npix_x = rtex->surface.level[level].npix_x;
580 orig->npix_y = rtex->surface.level[level].npix_y;
581
582 if (pixsize == 8)
583 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */
584 else
585 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */
586
587 new_width = util_format_get_nblocksx(tex->format, orig->width0);
588 new_height = util_format_get_nblocksy(tex->format, orig->height0);
589
590 tex->width0 = new_width;
591 tex->height0 = new_height;
592 tex->format = new_format;
593 rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
594 rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y);
595 rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
596 rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y);
597 }
598
599 static void r600_subsampled_2x1_32bpp_to_blittable(struct pipe_resource *tex,
600 unsigned level,
601 struct texture_orig_info *orig)
602 {
603 struct r600_texture *rtex = (struct r600_texture*)tex;
604
605 orig->format = tex->format;
606 orig->width0 = tex->width0;
607 orig->height0 = tex->height0;
608 orig->npix0_x = rtex->surface.level[0].npix_x;
609 orig->npix0_y = rtex->surface.level[0].npix_y;
610 orig->npix_x = rtex->surface.level[level].npix_x;
611 orig->npix_y = rtex->surface.level[level].npix_y;
612
613 tex->width0 = util_format_get_nblocksx(orig->format, orig->width0);
614 tex->format = PIPE_FORMAT_R8G8B8A8_UINT;
615 rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x);
616 rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x);
617 }
618
619 static void r600_change_format(struct pipe_resource *tex,
620 unsigned level,
621 struct texture_orig_info *orig,
622 enum pipe_format format)
623 {
624 struct r600_texture *rtex = (struct r600_texture*)tex;
625
626 orig->format = tex->format;
627 orig->width0 = tex->width0;
628 orig->height0 = tex->height0;
629 orig->npix0_x = rtex->surface.level[0].npix_x;
630 orig->npix0_y = rtex->surface.level[0].npix_y;
631 orig->npix_x = rtex->surface.level[level].npix_x;
632 orig->npix_y = rtex->surface.level[level].npix_y;
633
634 tex->format = format;
635 }
636
637 static void r600_reset_blittable_to_orig(struct pipe_resource *tex,
638 unsigned level,
639 struct texture_orig_info *orig)
640 {
641 struct r600_texture *rtex = (struct r600_texture*)tex;
642
643 tex->format = orig->format;
644 tex->width0 = orig->width0;
645 tex->height0 = orig->height0;
646 rtex->surface.level[0].npix_x = orig->npix0_x;
647 rtex->surface.level[0].npix_y = orig->npix0_y;
648 rtex->surface.level[level].npix_x = orig->npix_x;
649 rtex->surface.level[level].npix_y = orig->npix_y;
650 }
651
652 static bool util_format_is_subsampled_2x1_32bpp(enum pipe_format format)
653 {
654 const struct util_format_description *desc = util_format_description(format);
655
656 return desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED &&
657 desc->block.width == 2 &&
658 desc->block.height == 1 &&
659 desc->block.bits == 32;
660 }
661
662 static void r600_resource_copy_region(struct pipe_context *ctx,
663 struct pipe_resource *dst,
664 unsigned dst_level,
665 unsigned dstx, unsigned dsty, unsigned dstz,
666 struct pipe_resource *src,
667 unsigned src_level,
668 const struct pipe_box *src_box)
669 {
670 struct r600_context *rctx = (struct r600_context *)ctx;
671 struct r600_texture *rsrc = (struct r600_texture*)src;
672 struct texture_orig_info orig_info[2];
673 struct pipe_box sbox;
674 const struct pipe_box *psbox = src_box;
675 boolean restore_orig[2];
676 unsigned last_sample, i;
677
678 memset(orig_info, 0, sizeof(orig_info));
679
680 /* Handle buffers first. */
681 if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) {
682 r600_copy_buffer(ctx, dst, dstx, src, src_box);
683 return;
684 }
685
686 assert(u_max_sample(dst) == u_max_sample(src));
687 last_sample = u_max_sample(dst);
688
689 /* This must be done before entering u_blitter to avoid recursion. */
690 if (rsrc->is_depth && !rsrc->is_flushing_texture) {
691 if (!r600_init_flushed_depth_texture(ctx, src, NULL))
692 return; /* error */
693
694 r600_blit_decompress_depth(ctx, rsrc, NULL,
695 src_level, src_level,
696 src_box->z, src_box->z + src_box->depth - 1,
697 0, u_max_sample(src));
698 }
699 if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
700 r600_blit_decompress_color(ctx, rsrc, src_level, src_level,
701 src_box->z, src_box->z + src_box->depth - 1);
702 }
703
704 restore_orig[0] = restore_orig[1] = FALSE;
705
706 if (util_format_is_compressed(src->format) &&
707 util_format_is_compressed(dst->format)) {
708 r600_compressed_to_blittable(src, src_level, &orig_info[0]);
709 restore_orig[0] = TRUE;
710 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
711 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y);
712 sbox.z = src_box->z;
713 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
714 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height);
715 sbox.depth = src_box->depth;
716 psbox = &sbox;
717
718 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]);
719 restore_orig[1] = TRUE;
720 /* translate the dst box as well */
721 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
722 dsty = util_format_get_nblocksy(orig_info[1].format, dsty);
723 } else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src,
724 PIPE_MASK_RGBAZS)) {
725 if (util_format_is_subsampled_2x1_32bpp(src->format) &&
726 util_format_is_subsampled_2x1_32bpp(dst->format)) {
727 r600_subsampled_2x1_32bpp_to_blittable(src, src_level, &orig_info[0]);
728 r600_subsampled_2x1_32bpp_to_blittable(dst, dst_level, &orig_info[1]);
729
730 sbox = *src_box;
731 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x);
732 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width);
733 psbox = &sbox;
734
735 dstx = util_format_get_nblocksx(orig_info[1].format, dstx);
736 } else {
737 unsigned blocksize = util_format_get_blocksize(src->format);
738
739 switch (blocksize) {
740 case 1:
741 r600_change_format(src, src_level, &orig_info[0],
742 PIPE_FORMAT_R8_UNORM);
743 r600_change_format(dst, dst_level, &orig_info[1],
744 PIPE_FORMAT_R8_UNORM);
745 break;
746 case 4:
747 r600_change_format(src, src_level, &orig_info[0],
748 PIPE_FORMAT_R8G8B8A8_UNORM);
749 r600_change_format(dst, dst_level, &orig_info[1],
750 PIPE_FORMAT_R8G8B8A8_UNORM);
751 break;
752 default:
753 fprintf(stderr, "Unhandled format %s with blocksize %u\n",
754 util_format_short_name(src->format), blocksize);
755 assert(0);
756 }
757 }
758 restore_orig[0] = TRUE;
759 restore_orig[1] = TRUE;
760 }
761
762 /* XXX Properly implement multisample textures on Cayman. In the meantime,
763 * copy only the first sample (which is the only one that doesn't return garbage). */
764 if (rctx->chip_class == CAYMAN) {
765 r600_blitter_begin(ctx, R600_COPY_TEXTURE);
766 util_blitter_copy_texture(rctx->blitter, dst, dst_level, ~0, dstx, dsty, dstz,
767 src, src_level, 0, psbox);
768 r600_blitter_end(ctx);
769 } else {
770 for (i = 0; i <= last_sample; i++) {
771 r600_blitter_begin(ctx, R600_COPY_TEXTURE);
772 util_blitter_copy_texture(rctx->blitter, dst, dst_level, 1 << i, dstx, dsty, dstz,
773 src, src_level, i, psbox);
774 r600_blitter_end(ctx);
775 }
776 }
777
778 if (restore_orig[0])
779 r600_reset_blittable_to_orig(src, src_level, &orig_info[0]);
780
781 if (restore_orig[1])
782 r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]);
783 }
784
785 void r600_init_blit_functions(struct r600_context *rctx)
786 {
787 rctx->context.clear = r600_clear;
788 rctx->context.clear_render_target = r600_clear_render_target;
789 rctx->context.clear_depth_stencil = r600_clear_depth_stencil;
790 rctx->context.resource_copy_region = r600_resource_copy_region;
791 rctx->context.resource_resolve = r600_resource_resolve;
792 }