1 /* 2 * Copyright 2010 Jerome Glisse <glisse (at) 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, rctx->ps_samplers.n_samplers, 83 (void**)rctx->ps_samplers.samplers); 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 struct r600_texture *dst = (struct r600_texture*)info->dst.res; 391 unsigned dst_tile_mode = dst->surface.level[info->dst.level].mode; 392 393 return info->dst.res->format == info->src.res->format && 394 dst_width == info->src.res->width0 && 395 dst_height == info->src.res->height0 && 396 info->dst.x0 == 0 && 397 info->dst.y0 == 0 && 398 info->dst.x1 == dst_width && 399 info->dst.y1 == dst_height && 400 info->src.x0 == 0 && 401 info->src.y0 == 0 && 402 info->src.x1 == dst_width && 403 info->src.y1 == dst_height && 404 /* Dst must be tiled. If it's not, we have to use a temporary 405 * resource which is tiled. */ 406 dst_tile_mode >= RADEON_SURF_MODE_1D; 407 } 408 409 static void r600_color_resolve(struct pipe_context *ctx, 410 const struct pipe_resolve_info *info) 411 { 412 struct r600_context *rctx = (struct r600_context *)ctx; 413 struct pipe_screen *screen = ctx->screen; 414 struct pipe_resource *tmp, templ; 415 struct pipe_box box; 416 unsigned sample_mask = 417 rctx->chip_class == CAYMAN ? ~0 : ((1ull << MAX2(1, info->src.res->nr_samples)) - 1); 418 419 assert((info->mask & PIPE_MASK_RGBA) == PIPE_MASK_RGBA); 420 421 if (is_simple_resolve(info)) { 422 r600_blitter_begin(ctx, R600_COLOR_RESOLVE); 423 util_blitter_custom_resolve_color(rctx->blitter, 424 info->dst.res, info->dst.level, info->dst.layer, 425 info->src.res, info->src.layer, 426 sample_mask, rctx->custom_blend_resolve); 427 r600_blitter_end(ctx); 428 return; 429 } 430 431 /* resolve into a temporary texture, then blit */ 432 templ.target = PIPE_TEXTURE_2D; 433 templ.format = info->src.res->format; 434 templ.width0 = info->src.res->width0; 435 templ.height0 = info->src.res->height0; 436 templ.depth0 = 1; 437 templ.array_size = 1; 438 templ.last_level = 0; 439 templ.nr_samples = 0; 440 templ.usage = PIPE_USAGE_STATIC; 441 templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 442 templ.flags = R600_RESOURCE_FLAG_FORCE_TILING; /* dst must not have a linear layout */ 443 444 tmp = screen->resource_create(screen, &templ); 445 446 /* XXX use scissor, so that only the needed part of the resource is resolved */ 447 r600_blitter_begin(ctx, R600_COLOR_RESOLVE); 448 util_blitter_custom_resolve_color(rctx->blitter, 449 tmp, 0, 0, 450 info->src.res, info->src.layer, 451 sample_mask, rctx->custom_blend_resolve); 452 r600_blitter_end(ctx); 453 454 /* this is correct for upside-down blits too */ 455 u_box_2d(info->src.x0, 456 info->src.y0, 457 info->src.x1 - info->src.x0, 458 info->src.y1 - info->src.y0, &box); 459 460 r600_blitter_begin(ctx, R600_COPY_TEXTURE); 461 util_blitter_copy_texture(rctx->blitter, info->dst.res, info->dst.level, 462 ~0, info->dst.x0, info->dst.y0, info->dst.layer, 463 tmp, 0, 0, &box); 464 r600_blitter_end(ctx); 465 466 pipe_resource_reference(&tmp, NULL); 467 } 468 469 static void r600_resource_resolve(struct pipe_context *ctx, 470 const struct pipe_resolve_info *info) 471 { 472 /* make sure we're doing a resolve operation */ 473 assert(info->src.res->nr_samples > 1); 474 assert(info->dst.res->nr_samples <= 1); 475 476 /* limitations of multisample resources */ 477 assert(info->src.res->last_level == 0); 478 assert(info->src.res->target == PIPE_TEXTURE_2D || 479 info->src.res->target == PIPE_TEXTURE_2D_ARRAY); 480 481 /* check if the resolve box is valid */ 482 assert(info->dst.x0 < info->dst.x1); 483 assert(info->dst.y0 < info->dst.y1); 484 485 /* scaled resolve isn't allowed */ 486 assert(abs(info->dst.x0 - info->dst.x1) == 487 abs(info->src.x0 - info->src.x1)); 488 assert(abs(info->dst.y0 - info->dst.y1) == 489 abs(info->src.y0 - info->src.y1)); 490 491 if ((info->mask & PIPE_MASK_ZS) || 492 util_format_is_pure_integer(info->src.res->format)) { 493 r600_copy_first_sample(ctx, info); 494 } else { 495 r600_color_resolve(ctx, info); 496 } 497 } 498 499 static void r600_clear(struct pipe_context *ctx, unsigned buffers, 500 const union pipe_color_union *color, 501 double depth, unsigned stencil) 502 { 503 struct r600_context *rctx = (struct r600_context *)ctx; 504 struct pipe_framebuffer_state *fb = &rctx->framebuffer; 505 506 r600_blitter_begin(ctx, R600_CLEAR); 507 util_blitter_clear(rctx->blitter, fb->width, fb->height, 508 fb->nr_cbufs, buffers, fb->nr_cbufs ? fb->cbufs[0]->format : PIPE_FORMAT_NONE, 509 color, depth, stencil); 510 r600_blitter_end(ctx); 511 } 512 513 static void r600_clear_render_target(struct pipe_context *ctx, 514 struct pipe_surface *dst, 515 const union pipe_color_union *color, 516 unsigned dstx, unsigned dsty, 517 unsigned width, unsigned height) 518 { 519 struct r600_context *rctx = (struct r600_context *)ctx; 520 521 r600_blitter_begin(ctx, R600_CLEAR_SURFACE); 522 util_blitter_clear_render_target(rctx->blitter, dst, color, 523 dstx, dsty, width, height); 524 r600_blitter_end(ctx); 525 } 526 527 static void r600_clear_depth_stencil(struct pipe_context *ctx, 528 struct pipe_surface *dst, 529 unsigned clear_flags, 530 double depth, 531 unsigned stencil, 532 unsigned dstx, unsigned dsty, 533 unsigned width, unsigned height) 534 { 535 struct r600_context *rctx = (struct r600_context *)ctx; 536 537 r600_blitter_begin(ctx, R600_CLEAR_SURFACE); 538 util_blitter_clear_depth_stencil(rctx->blitter, dst, clear_flags, depth, stencil, 539 dstx, dsty, width, height); 540 r600_blitter_end(ctx); 541 } 542 543 void r600_copy_buffer(struct pipe_context *ctx, struct 544 pipe_resource *dst, unsigned dstx, 545 struct pipe_resource *src, const struct pipe_box *src_box) 546 { 547 struct r600_context *rctx = (struct r600_context*)ctx; 548 549 if (rctx->screen->has_streamout && 550 /* Require dword alignment. */ 551 dstx % 4 == 0 && src_box->x % 4 == 0 && src_box->width % 4 == 0) { 552 r600_blitter_begin(ctx, R600_COPY_BUFFER); 553 util_blitter_copy_buffer(rctx->blitter, dst, dstx, src, src_box->x, src_box->width); 554 r600_blitter_end(ctx); 555 } else { 556 util_resource_copy_region(ctx, dst, 0, dstx, 0, 0, src, 0, src_box); 557 } 558 } 559 560 struct texture_orig_info { 561 unsigned format; 562 unsigned width0; 563 unsigned height0; 564 unsigned npix_x; 565 unsigned npix_y; 566 unsigned npix0_x; 567 unsigned npix0_y; 568 }; 569 570 static void r600_compressed_to_blittable(struct pipe_resource *tex, 571 unsigned level, 572 struct texture_orig_info *orig) 573 { 574 struct r600_texture *rtex = (struct r600_texture*)tex; 575 unsigned pixsize = util_format_get_blocksize(rtex->resource.b.b.format); 576 int new_format; 577 int new_height, new_width; 578 579 orig->format = tex->format; 580 orig->width0 = tex->width0; 581 orig->height0 = tex->height0; 582 orig->npix0_x = rtex->surface.level[0].npix_x; 583 orig->npix0_y = rtex->surface.level[0].npix_y; 584 orig->npix_x = rtex->surface.level[level].npix_x; 585 orig->npix_y = rtex->surface.level[level].npix_y; 586 587 if (pixsize == 8) 588 new_format = PIPE_FORMAT_R16G16B16A16_UINT; /* 64-bit block */ 589 else 590 new_format = PIPE_FORMAT_R32G32B32A32_UINT; /* 128-bit block */ 591 592 new_width = util_format_get_nblocksx(tex->format, orig->width0); 593 new_height = util_format_get_nblocksy(tex->format, orig->height0); 594 595 tex->width0 = new_width; 596 tex->height0 = new_height; 597 tex->format = new_format; 598 rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x); 599 rtex->surface.level[0].npix_y = util_format_get_nblocksy(orig->format, orig->npix0_y); 600 rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x); 601 rtex->surface.level[level].npix_y = util_format_get_nblocksy(orig->format, orig->npix_y); 602 } 603 604 static void r600_subsampled_2x1_32bpp_to_blittable(struct pipe_resource *tex, 605 unsigned level, 606 struct texture_orig_info *orig) 607 { 608 struct r600_texture *rtex = (struct r600_texture*)tex; 609 610 orig->format = tex->format; 611 orig->width0 = tex->width0; 612 orig->height0 = tex->height0; 613 orig->npix0_x = rtex->surface.level[0].npix_x; 614 orig->npix0_y = rtex->surface.level[0].npix_y; 615 orig->npix_x = rtex->surface.level[level].npix_x; 616 orig->npix_y = rtex->surface.level[level].npix_y; 617 618 tex->width0 = util_format_get_nblocksx(orig->format, orig->width0); 619 tex->format = PIPE_FORMAT_R8G8B8A8_UINT; 620 rtex->surface.level[0].npix_x = util_format_get_nblocksx(orig->format, orig->npix0_x); 621 rtex->surface.level[level].npix_x = util_format_get_nblocksx(orig->format, orig->npix_x); 622 } 623 624 static void r600_change_format(struct pipe_resource *tex, 625 unsigned level, 626 struct texture_orig_info *orig, 627 enum pipe_format format) 628 { 629 struct r600_texture *rtex = (struct r600_texture*)tex; 630 631 orig->format = tex->format; 632 orig->width0 = tex->width0; 633 orig->height0 = tex->height0; 634 orig->npix0_x = rtex->surface.level[0].npix_x; 635 orig->npix0_y = rtex->surface.level[0].npix_y; 636 orig->npix_x = rtex->surface.level[level].npix_x; 637 orig->npix_y = rtex->surface.level[level].npix_y; 638 639 tex->format = format; 640 } 641 642 static void r600_reset_blittable_to_orig(struct pipe_resource *tex, 643 unsigned level, 644 struct texture_orig_info *orig) 645 { 646 struct r600_texture *rtex = (struct r600_texture*)tex; 647 648 tex->format = orig->format; 649 tex->width0 = orig->width0; 650 tex->height0 = orig->height0; 651 rtex->surface.level[0].npix_x = orig->npix0_x; 652 rtex->surface.level[0].npix_y = orig->npix0_y; 653 rtex->surface.level[level].npix_x = orig->npix_x; 654 rtex->surface.level[level].npix_y = orig->npix_y; 655 } 656 657 static bool util_format_is_subsampled_2x1_32bpp(enum pipe_format format) 658 { 659 const struct util_format_description *desc = util_format_description(format); 660 661 return desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED && 662 desc->block.width == 2 && 663 desc->block.height == 1 && 664 desc->block.bits == 32; 665 } 666 667 static void r600_resource_copy_region(struct pipe_context *ctx, 668 struct pipe_resource *dst, 669 unsigned dst_level, 670 unsigned dstx, unsigned dsty, unsigned dstz, 671 struct pipe_resource *src, 672 unsigned src_level, 673 const struct pipe_box *src_box) 674 { 675 struct r600_context *rctx = (struct r600_context *)ctx; 676 struct r600_texture *rsrc = (struct r600_texture*)src; 677 struct texture_orig_info orig_info[2]; 678 struct pipe_box sbox; 679 const struct pipe_box *psbox = src_box; 680 boolean restore_orig[2]; 681 unsigned last_sample, i; 682 683 memset(orig_info, 0, sizeof(orig_info)); 684 685 /* Handle buffers first. */ 686 if (dst->target == PIPE_BUFFER && src->target == PIPE_BUFFER) { 687 r600_copy_buffer(ctx, dst, dstx, src, src_box); 688 return; 689 } 690 691 assert(u_max_sample(dst) == u_max_sample(src)); 692 last_sample = u_max_sample(dst); 693 694 /* This must be done before entering u_blitter to avoid recursion. */ 695 if (rsrc->is_depth && !rsrc->is_flushing_texture) { 696 if (!r600_init_flushed_depth_texture(ctx, src, NULL)) 697 return; /* error */ 698 699 r600_blit_decompress_depth(ctx, rsrc, NULL, 700 src_level, src_level, 701 src_box->z, src_box->z + src_box->depth - 1, 702 0, u_max_sample(src)); 703 } 704 if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) { 705 r600_blit_decompress_color(ctx, rsrc, src_level, src_level, 706 src_box->z, src_box->z + src_box->depth - 1); 707 } 708 709 restore_orig[0] = restore_orig[1] = FALSE; 710 711 if (util_format_is_compressed(src->format) && 712 util_format_is_compressed(dst->format)) { 713 r600_compressed_to_blittable(src, src_level, &orig_info[0]); 714 restore_orig[0] = TRUE; 715 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x); 716 sbox.y = util_format_get_nblocksy(orig_info[0].format, src_box->y); 717 sbox.z = src_box->z; 718 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width); 719 sbox.height = util_format_get_nblocksy(orig_info[0].format, src_box->height); 720 sbox.depth = src_box->depth; 721 psbox = &sbox; 722 723 r600_compressed_to_blittable(dst, dst_level, &orig_info[1]); 724 restore_orig[1] = TRUE; 725 /* translate the dst box as well */ 726 dstx = util_format_get_nblocksx(orig_info[1].format, dstx); 727 dsty = util_format_get_nblocksy(orig_info[1].format, dsty); 728 } else if (!util_blitter_is_copy_supported(rctx->blitter, dst, src, 729 PIPE_MASK_RGBAZS)) { 730 if (util_format_is_subsampled_2x1_32bpp(src->format) && 731 util_format_is_subsampled_2x1_32bpp(dst->format)) { 732 r600_subsampled_2x1_32bpp_to_blittable(src, src_level, &orig_info[0]); 733 r600_subsampled_2x1_32bpp_to_blittable(dst, dst_level, &orig_info[1]); 734 735 sbox = *src_box; 736 sbox.x = util_format_get_nblocksx(orig_info[0].format, src_box->x); 737 sbox.width = util_format_get_nblocksx(orig_info[0].format, src_box->width); 738 psbox = &sbox; 739 740 dstx = util_format_get_nblocksx(orig_info[1].format, dstx); 741 } else { 742 unsigned blocksize = util_format_get_blocksize(src->format); 743 744 switch (blocksize) { 745 case 1: 746 r600_change_format(src, src_level, &orig_info[0], 747 PIPE_FORMAT_R8_UNORM); 748 r600_change_format(dst, dst_level, &orig_info[1], 749 PIPE_FORMAT_R8_UNORM); 750 break; 751 case 4: 752 r600_change_format(src, src_level, &orig_info[0], 753 PIPE_FORMAT_R8G8B8A8_UNORM); 754 r600_change_format(dst, dst_level, &orig_info[1], 755 PIPE_FORMAT_R8G8B8A8_UNORM); 756 break; 757 default: 758 fprintf(stderr, "Unhandled format %s with blocksize %u\n", 759 util_format_short_name(src->format), blocksize); 760 assert(0); 761 } 762 } 763 restore_orig[0] = TRUE; 764 restore_orig[1] = TRUE; 765 } 766 767 /* XXX Properly implement multisample textures on Cayman. In the meantime, 768 * copy only the first sample (which is the only one that doesn't return garbage). */ 769 if (rctx->chip_class == CAYMAN) { 770 r600_blitter_begin(ctx, R600_COPY_TEXTURE); 771 util_blitter_copy_texture(rctx->blitter, dst, dst_level, ~0, dstx, dsty, dstz, 772 src, src_level, 0, psbox); 773 r600_blitter_end(ctx); 774 } else { 775 for (i = 0; i <= last_sample; i++) { 776 r600_blitter_begin(ctx, R600_COPY_TEXTURE); 777 util_blitter_copy_texture(rctx->blitter, dst, dst_level, 1 << i, dstx, dsty, dstz, 778 src, src_level, i, psbox); 779 r600_blitter_end(ctx); 780 } 781 } 782 783 if (restore_orig[0]) 784 r600_reset_blittable_to_orig(src, src_level, &orig_info[0]); 785 786 if (restore_orig[1]) 787 r600_reset_blittable_to_orig(dst, dst_level, &orig_info[1]); 788 } 789 790 void r600_init_blit_functions(struct r600_context *rctx) 791 { 792 rctx->context.clear = r600_clear; 793 rctx->context.clear_render_target = r600_clear_render_target; 794 rctx->context.clear_depth_stencil = r600_clear_depth_stencil; 795 rctx->context.resource_copy_region = r600_resource_copy_region; 796 rctx->context.resource_resolve = r600_resource_resolve; 797 } 798
