freedreno_resource.c revision 738c8319ac85b175994b35d1fdc4860e18184b93
1/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */ 2 3/* 4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the next 14 * paragraph) shall be included in all copies or substantial portions of the 15 * Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 * Authors: 26 * Rob Clark <robclark@freedesktop.org> 27 */ 28 29#include "util/u_format.h" 30#include "util/u_inlines.h" 31#include "util/u_transfer.h" 32#include "util/u_string.h" 33#include "util/u_surface.h" 34 35#include "freedreno_resource.h" 36#include "freedreno_screen.h" 37#include "freedreno_surface.h" 38#include "freedreno_context.h" 39#include "freedreno_query_hw.h" 40#include "freedreno_util.h" 41 42#include <errno.h> 43 44static void 45realloc_bo(struct fd_resource *rsc, uint32_t size) 46{ 47 struct fd_screen *screen = fd_screen(rsc->base.b.screen); 48 uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE | 49 DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */ 50 51 /* if we start using things other than write-combine, 52 * be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT 53 */ 54 55 if (rsc->bo) 56 fd_bo_del(rsc->bo); 57 58 rsc->bo = fd_bo_new(screen->dev, size, flags); 59 rsc->timestamp = 0; 60 rsc->dirty = false; 61} 62 63static void fd_resource_transfer_flush_region(struct pipe_context *pctx, 64 struct pipe_transfer *ptrans, 65 const struct pipe_box *box) 66{ 67 struct fd_context *ctx = fd_context(pctx); 68 struct fd_resource *rsc = fd_resource(ptrans->resource); 69 70 if (rsc->dirty) 71 fd_context_render(pctx); 72 73 if (rsc->timestamp) { 74 fd_pipe_wait(ctx->screen->pipe, rsc->timestamp); 75 rsc->timestamp = 0; 76 } 77} 78 79static void 80fd_resource_transfer_unmap(struct pipe_context *pctx, 81 struct pipe_transfer *ptrans) 82{ 83 struct fd_context *ctx = fd_context(pctx); 84 struct fd_resource *rsc = fd_resource(ptrans->resource); 85 if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) 86 fd_bo_cpu_fini(rsc->bo); 87 pipe_resource_reference(&ptrans->resource, NULL); 88 util_slab_free(&ctx->transfer_pool, ptrans); 89} 90 91static void * 92fd_resource_transfer_map(struct pipe_context *pctx, 93 struct pipe_resource *prsc, 94 unsigned level, unsigned usage, 95 const struct pipe_box *box, 96 struct pipe_transfer **pptrans) 97{ 98 struct fd_context *ctx = fd_context(pctx); 99 struct fd_resource *rsc = fd_resource(prsc); 100 struct fd_resource_slice *slice = fd_resource_slice(rsc, level); 101 struct pipe_transfer *ptrans; 102 enum pipe_format format = prsc->format; 103 uint32_t op = 0; 104 uint32_t offset; 105 char *buf; 106 int ret = 0; 107 108 DBG("prsc=%p, level=%u, usage=%x", prsc, level, usage); 109 110 ptrans = util_slab_alloc(&ctx->transfer_pool); 111 if (!ptrans) 112 return NULL; 113 114 /* util_slab_alloc() doesn't zero: */ 115 memset(ptrans, 0, sizeof(*ptrans)); 116 117 pipe_resource_reference(&ptrans->resource, prsc); 118 ptrans->level = level; 119 ptrans->usage = usage; 120 ptrans->box = *box; 121 ptrans->stride = slice->pitch * rsc->cpp; 122 ptrans->layer_stride = slice->size0; 123 124 if (usage & PIPE_TRANSFER_READ) 125 op |= DRM_FREEDRENO_PREP_READ; 126 127 if (usage & PIPE_TRANSFER_WRITE) 128 op |= DRM_FREEDRENO_PREP_WRITE; 129 130 /* some state trackers (at least XA) don't do this.. */ 131 if (!(usage & (PIPE_TRANSFER_FLUSH_EXPLICIT | PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE))) 132 fd_resource_transfer_flush_region(pctx, ptrans, box); 133 134 if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { 135 realloc_bo(rsc, fd_bo_size(rsc->bo)); 136 } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { 137 ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op); 138 if (ret) 139 goto fail; 140 } 141 142 buf = fd_bo_map(rsc->bo); 143 if (!buf) { 144 fd_resource_transfer_unmap(pctx, ptrans); 145 return NULL; 146 } 147 148 *pptrans = ptrans; 149 150 if (rsc->layer_first) { 151 offset = slice->offset + 152 box->y / util_format_get_blockheight(format) * ptrans->stride + 153 box->x / util_format_get_blockwidth(format) * rsc->cpp + 154 box->z * rsc->layer_size; 155 } else { 156 offset = slice->offset + 157 box->y / util_format_get_blockheight(format) * ptrans->stride + 158 box->x / util_format_get_blockwidth(format) * rsc->cpp + 159 box->z * slice->size0; 160 } 161 162 return buf + offset; 163 164fail: 165 fd_resource_transfer_unmap(pctx, ptrans); 166 return NULL; 167} 168 169static void 170fd_resource_destroy(struct pipe_screen *pscreen, 171 struct pipe_resource *prsc) 172{ 173 struct fd_resource *rsc = fd_resource(prsc); 174 if (rsc->bo) 175 fd_bo_del(rsc->bo); 176 FREE(rsc); 177} 178 179static boolean 180fd_resource_get_handle(struct pipe_screen *pscreen, 181 struct pipe_resource *prsc, 182 struct winsys_handle *handle) 183{ 184 struct fd_resource *rsc = fd_resource(prsc); 185 186 return fd_screen_bo_get_handle(pscreen, rsc->bo, 187 rsc->slices[0].pitch * rsc->cpp, handle); 188} 189 190 191static const struct u_resource_vtbl fd_resource_vtbl = { 192 .resource_get_handle = fd_resource_get_handle, 193 .resource_destroy = fd_resource_destroy, 194 .transfer_map = fd_resource_transfer_map, 195 .transfer_flush_region = fd_resource_transfer_flush_region, 196 .transfer_unmap = fd_resource_transfer_unmap, 197 .transfer_inline_write = u_default_transfer_inline_write, 198}; 199 200static uint32_t 201setup_slices(struct fd_resource *rsc, uint32_t alignment) 202{ 203 struct pipe_resource *prsc = &rsc->base.b; 204 uint32_t level, size = 0; 205 uint32_t width = prsc->width0; 206 uint32_t height = prsc->height0; 207 uint32_t depth = prsc->depth0; 208 /* in layer_first layout, the level (slice) contains just one 209 * layer (since in fact the layer contains the slices) 210 */ 211 uint32_t layers_in_level = rsc->layer_first ? 1 : prsc->array_size; 212 213 for (level = 0; level <= prsc->last_level; level++) { 214 struct fd_resource_slice *slice = fd_resource_slice(rsc, level); 215 216 slice->pitch = width = align(width, 32); 217 slice->offset = size; 218 /* 1d array and 2d array textures must all have the same layer size 219 * for each miplevel on a3xx. 3d textures can have different layer 220 * sizes for high levels, but the hw auto-sizer is buggy (or at least 221 * different than what this code does), so as soon as the layer size 222 * range gets into range, we stop reducing it. 223 */ 224 if (prsc->target == PIPE_TEXTURE_3D && ( 225 level == 1 || 226 (level > 1 && rsc->slices[level - 1].size0 > 0xf000))) 227 slice->size0 = align(slice->pitch * height * rsc->cpp, alignment); 228 else if (level == 0 || rsc->layer_first || alignment == 1) 229 slice->size0 = align(slice->pitch * height * rsc->cpp, alignment); 230 else 231 slice->size0 = rsc->slices[level - 1].size0; 232 233 size += slice->size0 * depth * layers_in_level; 234 235 width = u_minify(width, 1); 236 height = u_minify(height, 1); 237 depth = u_minify(depth, 1); 238 } 239 240 return size; 241} 242 243static uint32_t 244slice_alignment(struct pipe_screen *pscreen, const struct pipe_resource *tmpl) 245{ 246 /* on a3xx, 2d array and 3d textures seem to want their 247 * layers aligned to page boundaries: 248 */ 249 switch (tmpl->target) { 250 case PIPE_TEXTURE_3D: 251 case PIPE_TEXTURE_1D_ARRAY: 252 case PIPE_TEXTURE_2D_ARRAY: 253 return 4096; 254 default: 255 return 1; 256 } 257} 258 259/** 260 * Create a new texture object, using the given template info. 261 */ 262static struct pipe_resource * 263fd_resource_create(struct pipe_screen *pscreen, 264 const struct pipe_resource *tmpl) 265{ 266 struct fd_resource *rsc = CALLOC_STRUCT(fd_resource); 267 struct pipe_resource *prsc = &rsc->base.b; 268 uint32_t size; 269 270 DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " 271 "nr_samples=%u, usage=%u, bind=%x, flags=%x", 272 tmpl->target, util_format_name(tmpl->format), 273 tmpl->width0, tmpl->height0, tmpl->depth0, 274 tmpl->array_size, tmpl->last_level, tmpl->nr_samples, 275 tmpl->usage, tmpl->bind, tmpl->flags); 276 277 if (!rsc) 278 return NULL; 279 280 *prsc = *tmpl; 281 282 pipe_reference_init(&prsc->reference, 1); 283 prsc->screen = pscreen; 284 285 rsc->base.vtbl = &fd_resource_vtbl; 286 rsc->cpp = util_format_get_blocksize(tmpl->format); 287 288 assert(rsc->cpp); 289 290 if (is_a4xx(fd_screen(pscreen))) { 291 switch (tmpl->target) { 292 case PIPE_TEXTURE_3D: 293 /* TODO 3D_ARRAY? */ 294 rsc->layer_first = false; 295 break; 296 default: 297 rsc->layer_first = true; 298 break; 299 } 300 } 301 302 size = setup_slices(rsc, slice_alignment(pscreen, tmpl)); 303 304 if (rsc->layer_first) { 305 rsc->layer_size = align(size, 4096); 306 size = rsc->layer_size * prsc->array_size; 307 } 308 309 realloc_bo(rsc, size); 310 if (!rsc->bo) 311 goto fail; 312 313 return prsc; 314fail: 315 fd_resource_destroy(pscreen, prsc); 316 return NULL; 317} 318 319/** 320 * Create a texture from a winsys_handle. The handle is often created in 321 * another process by first creating a pipe texture and then calling 322 * resource_get_handle. 323 */ 324static struct pipe_resource * 325fd_resource_from_handle(struct pipe_screen *pscreen, 326 const struct pipe_resource *tmpl, 327 struct winsys_handle *handle) 328{ 329 struct fd_resource *rsc = CALLOC_STRUCT(fd_resource); 330 struct fd_resource_slice *slice = &rsc->slices[0]; 331 struct pipe_resource *prsc = &rsc->base.b; 332 333 DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " 334 "nr_samples=%u, usage=%u, bind=%x, flags=%x", 335 tmpl->target, util_format_name(tmpl->format), 336 tmpl->width0, tmpl->height0, tmpl->depth0, 337 tmpl->array_size, tmpl->last_level, tmpl->nr_samples, 338 tmpl->usage, tmpl->bind, tmpl->flags); 339 340 if (!rsc) 341 return NULL; 342 343 *prsc = *tmpl; 344 345 pipe_reference_init(&prsc->reference, 1); 346 prsc->screen = pscreen; 347 348 rsc->bo = fd_screen_bo_from_handle(pscreen, handle, &slice->pitch); 349 if (!rsc->bo) 350 goto fail; 351 352 rsc->base.vtbl = &fd_resource_vtbl; 353 rsc->cpp = util_format_get_blocksize(tmpl->format); 354 slice->pitch /= rsc->cpp; 355 356 assert(rsc->cpp); 357 358 return prsc; 359 360fail: 361 fd_resource_destroy(pscreen, prsc); 362 return NULL; 363} 364 365static void fd_blitter_pipe_begin(struct fd_context *ctx); 366static void fd_blitter_pipe_end(struct fd_context *ctx); 367 368/** 369 * _copy_region using pipe (3d engine) 370 */ 371static bool 372fd_blitter_pipe_copy_region(struct fd_context *ctx, 373 struct pipe_resource *dst, 374 unsigned dst_level, 375 unsigned dstx, unsigned dsty, unsigned dstz, 376 struct pipe_resource *src, 377 unsigned src_level, 378 const struct pipe_box *src_box) 379{ 380 /* not until we allow rendertargets to be buffers */ 381 if (dst->target == PIPE_BUFFER || src->target == PIPE_BUFFER) 382 return false; 383 384 if (!util_blitter_is_copy_supported(ctx->blitter, dst, src)) 385 return false; 386 387 fd_blitter_pipe_begin(ctx); 388 util_blitter_copy_texture(ctx->blitter, 389 dst, dst_level, dstx, dsty, dstz, 390 src, src_level, src_box); 391 fd_blitter_pipe_end(ctx); 392 393 return true; 394} 395 396/** 397 * Copy a block of pixels from one resource to another. 398 * The resource must be of the same format. 399 * Resources with nr_samples > 1 are not allowed. 400 */ 401static void 402fd_resource_copy_region(struct pipe_context *pctx, 403 struct pipe_resource *dst, 404 unsigned dst_level, 405 unsigned dstx, unsigned dsty, unsigned dstz, 406 struct pipe_resource *src, 407 unsigned src_level, 408 const struct pipe_box *src_box) 409{ 410 struct fd_context *ctx = fd_context(pctx); 411 412 /* TODO if we have 2d core, or other DMA engine that could be used 413 * for simple copies and reasonably easily synchronized with the 3d 414 * core, this is where we'd plug it in.. 415 */ 416 417 /* try blit on 3d pipe: */ 418 if (fd_blitter_pipe_copy_region(ctx, 419 dst, dst_level, dstx, dsty, dstz, 420 src, src_level, src_box)) 421 return; 422 423 /* else fallback to pure sw: */ 424 util_resource_copy_region(pctx, 425 dst, dst_level, dstx, dsty, dstz, 426 src, src_level, src_box); 427} 428 429/** 430 * Optimal hardware path for blitting pixels. 431 * Scaling, format conversion, up- and downsampling (resolve) are allowed. 432 */ 433static void 434fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) 435{ 436 struct fd_context *ctx = fd_context(pctx); 437 struct pipe_blit_info info = *blit_info; 438 439 if (info.src.resource->nr_samples > 1 && 440 info.dst.resource->nr_samples <= 1 && 441 !util_format_is_depth_or_stencil(info.src.resource->format) && 442 !util_format_is_pure_integer(info.src.resource->format)) { 443 DBG("color resolve unimplemented"); 444 return; 445 } 446 447 if (util_try_blit_via_copy_region(pctx, &info)) { 448 return; /* done */ 449 } 450 451 if (info.mask & PIPE_MASK_S) { 452 DBG("cannot blit stencil, skipping"); 453 info.mask &= ~PIPE_MASK_S; 454 } 455 456 if (!util_blitter_is_blit_supported(ctx->blitter, &info)) { 457 DBG("blit unsupported %s -> %s", 458 util_format_short_name(info.src.resource->format), 459 util_format_short_name(info.dst.resource->format)); 460 return; 461 } 462 463 fd_blitter_pipe_begin(ctx); 464 util_blitter_blit(ctx->blitter, &info); 465 fd_blitter_pipe_end(ctx); 466} 467 468static void 469fd_blitter_pipe_begin(struct fd_context *ctx) 470{ 471 util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vtx.vertexbuf.vb); 472 util_blitter_save_vertex_elements(ctx->blitter, ctx->vtx.vtx); 473 util_blitter_save_vertex_shader(ctx->blitter, ctx->prog.vp); 474 util_blitter_save_rasterizer(ctx->blitter, ctx->rasterizer); 475 util_blitter_save_viewport(ctx->blitter, &ctx->viewport); 476 util_blitter_save_scissor(ctx->blitter, &ctx->scissor); 477 util_blitter_save_fragment_shader(ctx->blitter, ctx->prog.fp); 478 util_blitter_save_blend(ctx->blitter, ctx->blend); 479 util_blitter_save_depth_stencil_alpha(ctx->blitter, ctx->zsa); 480 util_blitter_save_stencil_ref(ctx->blitter, &ctx->stencil_ref); 481 util_blitter_save_sample_mask(ctx->blitter, ctx->sample_mask); 482 util_blitter_save_framebuffer(ctx->blitter, &ctx->framebuffer); 483 util_blitter_save_fragment_sampler_states(ctx->blitter, 484 ctx->fragtex.num_samplers, 485 (void **)ctx->fragtex.samplers); 486 util_blitter_save_fragment_sampler_views(ctx->blitter, 487 ctx->fragtex.num_textures, ctx->fragtex.textures); 488 489 fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_BLIT); 490} 491 492static void 493fd_blitter_pipe_end(struct fd_context *ctx) 494{ 495 fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_NULL); 496} 497 498static void 499fd_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc) 500{ 501 struct fd_resource *rsc = fd_resource(prsc); 502 503 if (rsc->dirty) 504 fd_context_render(pctx); 505} 506 507void 508fd_resource_screen_init(struct pipe_screen *pscreen) 509{ 510 pscreen->resource_create = fd_resource_create; 511 pscreen->resource_from_handle = fd_resource_from_handle; 512 pscreen->resource_get_handle = u_resource_get_handle_vtbl; 513 pscreen->resource_destroy = u_resource_destroy_vtbl; 514} 515 516void 517fd_resource_context_init(struct pipe_context *pctx) 518{ 519 pctx->transfer_map = u_transfer_map_vtbl; 520 pctx->transfer_flush_region = u_transfer_flush_region_vtbl; 521 pctx->transfer_unmap = u_transfer_unmap_vtbl; 522 pctx->transfer_inline_write = u_transfer_inline_write_vtbl; 523 pctx->create_surface = fd_create_surface; 524 pctx->surface_destroy = fd_surface_destroy; 525 pctx->resource_copy_region = fd_resource_copy_region; 526 pctx->blit = fd_blit; 527 pctx->flush_resource = fd_flush_resource; 528} 529