/* * Copyright (C) 2012 Rob Clark * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Authors: * Rob Clark */ #include "util/format/u_format.h" #include "util/format/u_format_rgtc.h" #include "util/format/u_format_zs.h" #include "util/u_inlines.h" #include "util/u_transfer.h" #include "util/u_string.h" #include "util/u_surface.h" #include "util/set.h" #include "util/u_drm.h" #include "freedreno_resource.h" #include "freedreno_batch_cache.h" #include "freedreno_blitter.h" #include "freedreno_fence.h" #include "freedreno_screen.h" #include "freedreno_surface.h" #include "freedreno_context.h" #include "freedreno_query_hw.h" #include "freedreno_util.h" #include "drm-uapi/drm_fourcc.h" #include /* XXX this should go away, needed for 'struct winsys_handle' */ #include "state_tracker/drm_driver.h" /* A private modifier for now, so we have a way to request tiled but not * compressed. It would perhaps be good to get real modifiers for the * tiled formats, but would probably need to do some work to figure out * the layout(s) of the tiled modes, and whether they are the same * across generations. */ #define FD_FORMAT_MOD_QCOM_TILED fourcc_mod_code(QCOM, 0xffffffff) /** * Go through the entire state and see if the resource is bound * anywhere. If it is, mark the relevant state as dirty. This is * called on realloc_bo to ensure the neccessary state is re- * emitted so the GPU looks at the new backing bo. */ static void rebind_resource(struct fd_context *ctx, struct pipe_resource *prsc) { /* VBOs */ for (unsigned i = 0; i < ctx->vtx.vertexbuf.count && !(ctx->dirty & FD_DIRTY_VTXBUF); i++) { if (ctx->vtx.vertexbuf.vb[i].buffer.resource == prsc) ctx->dirty |= FD_DIRTY_VTXBUF; } /* per-shader-stage resources: */ for (unsigned stage = 0; stage < PIPE_SHADER_TYPES; stage++) { /* Constbufs.. note that constbuf[0] is normal uniforms emitted in * cmdstream rather than by pointer.. */ const unsigned num_ubos = util_last_bit(ctx->constbuf[stage].enabled_mask); for (unsigned i = 1; i < num_ubos; i++) { if (ctx->dirty_shader[stage] & FD_DIRTY_SHADER_CONST) break; if (ctx->constbuf[stage].cb[i].buffer == prsc) ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_CONST; } /* Textures */ for (unsigned i = 0; i < ctx->tex[stage].num_textures; i++) { if (ctx->dirty_shader[stage] & FD_DIRTY_SHADER_TEX) break; if (ctx->tex[stage].textures[i] && (ctx->tex[stage].textures[i]->texture == prsc)) ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_TEX; } /* Images */ const unsigned num_images = util_last_bit(ctx->shaderimg[stage].enabled_mask); for (unsigned i = 0; i < num_images; i++) { if (ctx->dirty_shader[stage] & FD_DIRTY_SHADER_IMAGE) break; if (ctx->shaderimg[stage].si[i].resource == prsc) ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_IMAGE; } /* SSBOs */ const unsigned num_ssbos = util_last_bit(ctx->shaderbuf[stage].enabled_mask); for (unsigned i = 0; i < num_ssbos; i++) { if (ctx->dirty_shader[stage] & FD_DIRTY_SHADER_SSBO) break; if (ctx->shaderbuf[stage].sb[i].buffer == prsc) ctx->dirty_shader[stage] |= FD_DIRTY_SHADER_SSBO; } } } static void realloc_bo(struct fd_resource *rsc, uint32_t size) { struct pipe_resource *prsc = &rsc->base; struct fd_screen *screen = fd_screen(rsc->base.screen); uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE | DRM_FREEDRENO_GEM_TYPE_KMEM | COND(prsc->bind & PIPE_BIND_SCANOUT, DRM_FREEDRENO_GEM_SCANOUT); /* TODO other flags? */ /* if we start using things other than write-combine, * be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT */ if (rsc->bo) fd_bo_del(rsc->bo); rsc->bo = fd_bo_new(screen->dev, size, flags, "%ux%ux%u@%u:%x", prsc->width0, prsc->height0, prsc->depth0, rsc->layout.cpp, prsc->bind); rsc->seqno = p_atomic_inc_return(&screen->rsc_seqno); util_range_set_empty(&rsc->valid_buffer_range); fd_bc_invalidate_resource(rsc, true); } static void do_blit(struct fd_context *ctx, const struct pipe_blit_info *blit, bool fallback) { struct pipe_context *pctx = &ctx->base; /* TODO size threshold too?? */ if (fallback || !fd_blit(pctx, blit)) { /* do blit on cpu: */ util_resource_copy_region(pctx, blit->dst.resource, blit->dst.level, blit->dst.box.x, blit->dst.box.y, blit->dst.box.z, blit->src.resource, blit->src.level, &blit->src.box); } } /** * @rsc: the resource to shadow * @level: the level to discard (if box != NULL, otherwise ignored) * @box: the box to discard (or NULL if none) * @modifier: the modifier for the new buffer state */ static bool fd_try_shadow_resource(struct fd_context *ctx, struct fd_resource *rsc, unsigned level, const struct pipe_box *box, uint64_t modifier) { struct pipe_context *pctx = &ctx->base; struct pipe_resource *prsc = &rsc->base; bool fallback = false; if (prsc->next) return false; /* TODO: somehow munge dimensions and format to copy unsupported * render target format to something that is supported? */ if (!pctx->screen->is_format_supported(pctx->screen, prsc->format, prsc->target, prsc->nr_samples, prsc->nr_storage_samples, PIPE_BIND_RENDER_TARGET)) fallback = true; /* do shadowing back-blits on the cpu for buffers: */ if (prsc->target == PIPE_BUFFER) fallback = true; bool discard_whole_level = box && util_texrange_covers_whole_level(prsc, level, box->x, box->y, box->z, box->width, box->height, box->depth); /* TODO need to be more clever about current level */ if ((prsc->target >= PIPE_TEXTURE_2D) && box && !discard_whole_level) return false; struct pipe_resource *pshadow = pctx->screen->resource_create_with_modifiers(pctx->screen, prsc, &modifier, 1); if (!pshadow) return false; assert(!ctx->in_shadow); ctx->in_shadow = true; /* get rid of any references that batch-cache might have to us (which * should empty/destroy rsc->batches hashset) */ fd_bc_invalidate_resource(rsc, false); mtx_lock(&ctx->screen->lock); /* Swap the backing bo's, so shadow becomes the old buffer, * blit from shadow to new buffer. From here on out, we * cannot fail. * * Note that we need to do it in this order, otherwise if * we go down cpu blit path, the recursive transfer_map() * sees the wrong status.. */ struct fd_resource *shadow = fd_resource(pshadow); DBG("shadow: %p (%d) -> %p (%d)\n", rsc, rsc->base.reference.count, shadow, shadow->base.reference.count); /* TODO valid_buffer_range?? */ swap(rsc->bo, shadow->bo); swap(rsc->write_batch, shadow->write_batch); for (int level = 0; level <= prsc->last_level; level++) { swap(rsc->layout.slices[level], shadow->layout.slices[level]); swap(rsc->layout.ubwc_slices[level], shadow->layout.ubwc_slices[level]); } swap(rsc->layout.ubwc_size, shadow->layout.ubwc_size); rsc->seqno = p_atomic_inc_return(&ctx->screen->rsc_seqno); /* at this point, the newly created shadow buffer is not referenced * by any batches, but the existing rsc (probably) is. We need to * transfer those references over: */ debug_assert(shadow->batch_mask == 0); struct fd_batch *batch; foreach_batch(batch, &ctx->screen->batch_cache, rsc->batch_mask) { struct set_entry *entry = _mesa_set_search(batch->resources, rsc); _mesa_set_remove(batch->resources, entry); _mesa_set_add(batch->resources, shadow); } swap(rsc->batch_mask, shadow->batch_mask); mtx_unlock(&ctx->screen->lock); struct pipe_blit_info blit = {}; blit.dst.resource = prsc; blit.dst.format = prsc->format; blit.src.resource = pshadow; blit.src.format = pshadow->format; blit.mask = util_format_get_mask(prsc->format); blit.filter = PIPE_TEX_FILTER_NEAREST; #define set_box(field, val) do { \ blit.dst.field = (val); \ blit.src.field = (val); \ } while (0) /* blit the other levels in their entirety: */ for (unsigned l = 0; l <= prsc->last_level; l++) { if (box && l == level) continue; /* just blit whole level: */ set_box(level, l); set_box(box.width, u_minify(prsc->width0, l)); set_box(box.height, u_minify(prsc->height0, l)); set_box(box.depth, u_minify(prsc->depth0, l)); do_blit(ctx, &blit, fallback); } /* deal w/ current level specially, since we might need to split * it up into a couple blits: */ if (box && !discard_whole_level) { set_box(level, level); switch (prsc->target) { case PIPE_BUFFER: case PIPE_TEXTURE_1D: set_box(box.y, 0); set_box(box.z, 0); set_box(box.height, 1); set_box(box.depth, 1); if (box->x > 0) { set_box(box.x, 0); set_box(box.width, box->x); do_blit(ctx, &blit, fallback); } if ((box->x + box->width) < u_minify(prsc->width0, level)) { set_box(box.x, box->x + box->width); set_box(box.width, u_minify(prsc->width0, level) - (box->x + box->width)); do_blit(ctx, &blit, fallback); } break; case PIPE_TEXTURE_2D: /* TODO */ default: unreachable("TODO"); } } ctx->in_shadow = false; pipe_resource_reference(&pshadow, NULL); return true; } /** * Uncompress an UBWC compressed buffer "in place". This works basically * like resource shadowing, creating a new resource, and doing an uncompress * blit, and swapping the state between shadow and original resource so it * appears to the state tracker as if nothing changed. */ void fd_resource_uncompress(struct fd_context *ctx, struct fd_resource *rsc) { bool success = fd_try_shadow_resource(ctx, rsc, 0, NULL, FD_FORMAT_MOD_QCOM_TILED); /* shadow should not fail in any cases where we need to uncompress: */ debug_assert(success); /* * TODO what if rsc is used in other contexts, we don't currently * have a good way to rebind_resource() in other contexts. And an * app that is reading one resource in multiple contexts, isn't * going to expect that the resource is modified. * * Hopefully the edge cases where we need to uncompress are rare * enough that they mostly only show up in deqp. */ rebind_resource(ctx, &rsc->base); } static struct fd_resource * fd_alloc_staging(struct fd_context *ctx, struct fd_resource *rsc, unsigned level, const struct pipe_box *box) { struct pipe_context *pctx = &ctx->base; struct pipe_resource tmpl = rsc->base; tmpl.width0 = box->width; tmpl.height0 = box->height; /* for array textures, box->depth is the array_size, otherwise * for 3d textures, it is the depth: */ if (tmpl.array_size > 1) { if (tmpl.target == PIPE_TEXTURE_CUBE) tmpl.target = PIPE_TEXTURE_2D_ARRAY; tmpl.array_size = box->depth; tmpl.depth0 = 1; } else { tmpl.array_size = 1; tmpl.depth0 = box->depth; } tmpl.last_level = 0; tmpl.bind |= PIPE_BIND_LINEAR; struct pipe_resource *pstaging = pctx->screen->resource_create(pctx->screen, &tmpl); if (!pstaging) return NULL; return fd_resource(pstaging); } static void fd_blit_from_staging(struct fd_context *ctx, struct fd_transfer *trans) { struct pipe_resource *dst = trans->base.resource; struct pipe_blit_info blit = {}; blit.dst.resource = dst; blit.dst.format = dst->format; blit.dst.level = trans->base.level; blit.dst.box = trans->base.box; blit.src.resource = trans->staging_prsc; blit.src.format = trans->staging_prsc->format; blit.src.level = 0; blit.src.box = trans->staging_box; blit.mask = util_format_get_mask(trans->staging_prsc->format); blit.filter = PIPE_TEX_FILTER_NEAREST; do_blit(ctx, &blit, false); } static void fd_blit_to_staging(struct fd_context *ctx, struct fd_transfer *trans) { struct pipe_resource *src = trans->base.resource; struct pipe_blit_info blit = {}; blit.src.resource = src; blit.src.format = src->format; blit.src.level = trans->base.level; blit.src.box = trans->base.box; blit.dst.resource = trans->staging_prsc; blit.dst.format = trans->staging_prsc->format; blit.dst.level = 0; blit.dst.box = trans->staging_box; blit.mask = util_format_get_mask(trans->staging_prsc->format); blit.filter = PIPE_TEX_FILTER_NEAREST; do_blit(ctx, &blit, false); } static void fd_resource_transfer_flush_region(struct pipe_context *pctx, struct pipe_transfer *ptrans, const struct pipe_box *box) { struct fd_resource *rsc = fd_resource(ptrans->resource); if (ptrans->resource->target == PIPE_BUFFER) util_range_add(&rsc->base, &rsc->valid_buffer_range, ptrans->box.x + box->x, ptrans->box.x + box->x + box->width); } static void flush_resource(struct fd_context *ctx, struct fd_resource *rsc, unsigned usage) { struct fd_batch *write_batch = NULL; mtx_lock(&ctx->screen->lock); fd_batch_reference_locked(&write_batch, rsc->write_batch); mtx_unlock(&ctx->screen->lock); if (usage & PIPE_TRANSFER_WRITE) { struct fd_batch *batch, *batches[32] = {}; uint32_t batch_mask; /* This is a bit awkward, probably a fd_batch_flush_locked() * would make things simpler.. but we need to hold the lock * to iterate the batches which reference this resource. So * we must first grab references under a lock, then flush. */ mtx_lock(&ctx->screen->lock); batch_mask = rsc->batch_mask; foreach_batch(batch, &ctx->screen->batch_cache, batch_mask) fd_batch_reference_locked(&batches[batch->idx], batch); mtx_unlock(&ctx->screen->lock); foreach_batch(batch, &ctx->screen->batch_cache, batch_mask) fd_batch_flush(batch, false); foreach_batch(batch, &ctx->screen->batch_cache, batch_mask) { fd_batch_sync(batch); fd_batch_reference(&batches[batch->idx], NULL); } assert(rsc->batch_mask == 0); } else if (write_batch) { fd_batch_flush(write_batch, true); } fd_batch_reference(&write_batch, NULL); assert(!rsc->write_batch); } static void fd_flush_resource(struct pipe_context *pctx, struct pipe_resource *prsc) { flush_resource(fd_context(pctx), fd_resource(prsc), PIPE_TRANSFER_READ); } static void fd_resource_transfer_unmap(struct pipe_context *pctx, struct pipe_transfer *ptrans) { struct fd_context *ctx = fd_context(pctx); struct fd_resource *rsc = fd_resource(ptrans->resource); struct fd_transfer *trans = fd_transfer(ptrans); if (trans->staging_prsc) { if (ptrans->usage & PIPE_TRANSFER_WRITE) fd_blit_from_staging(ctx, trans); pipe_resource_reference(&trans->staging_prsc, NULL); } if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { fd_bo_cpu_fini(rsc->bo); } util_range_add(&rsc->base, &rsc->valid_buffer_range, ptrans->box.x, ptrans->box.x + ptrans->box.width); pipe_resource_reference(&ptrans->resource, NULL); slab_free(&ctx->transfer_pool, ptrans); } static void * fd_resource_transfer_map(struct pipe_context *pctx, struct pipe_resource *prsc, unsigned level, unsigned usage, const struct pipe_box *box, struct pipe_transfer **pptrans) { struct fd_context *ctx = fd_context(pctx); struct fd_resource *rsc = fd_resource(prsc); struct fdl_slice *slice = fd_resource_slice(rsc, level); struct fd_transfer *trans; struct pipe_transfer *ptrans; enum pipe_format format = prsc->format; uint32_t op = 0; uint32_t offset; char *buf; int ret = 0; DBG("prsc=%p, level=%u, usage=%x, box=%dx%d+%d,%d", prsc, level, usage, box->width, box->height, box->x, box->y); ptrans = slab_alloc(&ctx->transfer_pool); if (!ptrans) return NULL; /* slab_alloc_st() doesn't zero: */ trans = fd_transfer(ptrans); memset(trans, 0, sizeof(*trans)); pipe_resource_reference(&ptrans->resource, prsc); ptrans->level = level; ptrans->usage = usage; ptrans->box = *box; ptrans->stride = util_format_get_nblocksx(format, slice->pitch) * rsc->layout.cpp; ptrans->layer_stride = fd_resource_layer_stride(rsc, level); /* we always need a staging texture for tiled buffers: * * TODO we might sometimes want to *also* shadow the resource to avoid * splitting a batch.. for ex, mid-frame texture uploads to a tiled * texture. */ if (rsc->layout.tile_mode) { struct fd_resource *staging_rsc; staging_rsc = fd_alloc_staging(ctx, rsc, level, box); if (staging_rsc) { struct fdl_slice *staging_slice = fd_resource_slice(staging_rsc, 0); // TODO for PIPE_TRANSFER_READ, need to do untiling blit.. trans->staging_prsc = &staging_rsc->base; trans->base.stride = util_format_get_nblocksx(format, staging_slice->pitch) * staging_rsc->layout.cpp; trans->base.layer_stride = fd_resource_layer_stride(staging_rsc, 0); trans->staging_box = *box; trans->staging_box.x = 0; trans->staging_box.y = 0; trans->staging_box.z = 0; if (usage & PIPE_TRANSFER_READ) { fd_blit_to_staging(ctx, trans); struct fd_batch *batch = NULL; fd_context_lock(ctx); fd_batch_reference_locked(&batch, staging_rsc->write_batch); fd_context_unlock(ctx); /* we can't fd_bo_cpu_prep() until the blit to staging * is submitted to kernel.. in that case write_batch * wouldn't be NULL yet: */ if (batch) { fd_batch_sync(batch); fd_batch_reference(&batch, NULL); } fd_bo_cpu_prep(staging_rsc->bo, ctx->pipe, DRM_FREEDRENO_PREP_READ); } buf = fd_bo_map(staging_rsc->bo); offset = 0; *pptrans = ptrans; ctx->stats.staging_uploads++; return buf; } } if (ctx->in_shadow && !(usage & PIPE_TRANSFER_READ)) usage |= PIPE_TRANSFER_UNSYNCHRONIZED; if (usage & PIPE_TRANSFER_READ) op |= DRM_FREEDRENO_PREP_READ; if (usage & PIPE_TRANSFER_WRITE) op |= DRM_FREEDRENO_PREP_WRITE; if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { realloc_bo(rsc, fd_bo_size(rsc->bo)); rebind_resource(ctx, prsc); } else if ((usage & PIPE_TRANSFER_WRITE) && prsc->target == PIPE_BUFFER && !util_ranges_intersect(&rsc->valid_buffer_range, box->x, box->x + box->width)) { /* We are trying to write to a previously uninitialized range. No need * to wait. */ } else if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) { struct fd_batch *write_batch = NULL; /* hold a reference, so it doesn't disappear under us: */ fd_context_lock(ctx); fd_batch_reference_locked(&write_batch, rsc->write_batch); fd_context_unlock(ctx); if ((usage & PIPE_TRANSFER_WRITE) && write_batch && write_batch->back_blit) { /* if only thing pending is a back-blit, we can discard it: */ fd_batch_reset(write_batch); } /* If the GPU is writing to the resource, or if it is reading from the * resource and we're trying to write to it, flush the renders. */ bool needs_flush = pending(rsc, !!(usage & PIPE_TRANSFER_WRITE)); bool busy = needs_flush || (0 != fd_bo_cpu_prep(rsc->bo, ctx->pipe, op | DRM_FREEDRENO_PREP_NOSYNC)); /* if we need to flush/stall, see if we can make a shadow buffer * to avoid this: * * TODO we could go down this path !reorder && !busy_for_read * ie. we only *don't* want to go down this path if the blit * will trigger a flush! */ if (ctx->screen->reorder && busy && !(usage & PIPE_TRANSFER_READ) && (usage & PIPE_TRANSFER_DISCARD_RANGE)) { /* try shadowing only if it avoids a flush, otherwise staging would * be better: */ if (needs_flush && fd_try_shadow_resource(ctx, rsc, level, box, DRM_FORMAT_MOD_LINEAR)) { needs_flush = busy = false; rebind_resource(ctx, prsc); ctx->stats.shadow_uploads++; } else { struct fd_resource *staging_rsc; if (needs_flush) { flush_resource(ctx, rsc, usage); needs_flush = false; } /* in this case, we don't need to shadow the whole resource, * since any draw that references the previous contents has * already had rendering flushed for all tiles. So we can * use a staging buffer to do the upload. */ staging_rsc = fd_alloc_staging(ctx, rsc, level, box); if (staging_rsc) { struct fdl_slice *staging_slice = fd_resource_slice(staging_rsc, 0); trans->staging_prsc = &staging_rsc->base; trans->base.stride = util_format_get_nblocksx(format, staging_slice->pitch) * staging_rsc->layout.cpp; trans->base.layer_stride = fd_resource_layer_stride(staging_rsc, 0); trans->staging_box = *box; trans->staging_box.x = 0; trans->staging_box.y = 0; trans->staging_box.z = 0; buf = fd_bo_map(staging_rsc->bo); offset = 0; *pptrans = ptrans; fd_batch_reference(&write_batch, NULL); ctx->stats.staging_uploads++; return buf; } } } if (needs_flush) { flush_resource(ctx, rsc, usage); needs_flush = false; } fd_batch_reference(&write_batch, NULL); /* The GPU keeps track of how the various bo's are being used, and * will wait if necessary for the proper operation to have * completed. */ if (busy) { ret = fd_bo_cpu_prep(rsc->bo, ctx->pipe, op); if (ret) goto fail; } } buf = fd_bo_map(rsc->bo); offset = box->y / util_format_get_blockheight(format) * ptrans->stride + box->x / util_format_get_blockwidth(format) * rsc->layout.cpp + fd_resource_offset(rsc, level, box->z); if (usage & PIPE_TRANSFER_WRITE) rsc->valid = true; *pptrans = ptrans; return buf + offset; fail: fd_resource_transfer_unmap(pctx, ptrans); return NULL; } static void fd_resource_destroy(struct pipe_screen *pscreen, struct pipe_resource *prsc) { struct fd_resource *rsc = fd_resource(prsc); fd_bc_invalidate_resource(rsc, true); if (rsc->bo) fd_bo_del(rsc->bo); if (rsc->scanout) renderonly_scanout_destroy(rsc->scanout, fd_screen(pscreen)->ro); util_range_destroy(&rsc->valid_buffer_range); FREE(rsc); } static uint64_t fd_resource_modifier(struct fd_resource *rsc) { if (!rsc->layout.tile_mode) return DRM_FORMAT_MOD_LINEAR; if (rsc->layout.ubwc_size) return DRM_FORMAT_MOD_QCOM_COMPRESSED; /* TODO invent a modifier for tiled but not UBWC buffers: */ return DRM_FORMAT_MOD_INVALID; } static bool fd_resource_get_handle(struct pipe_screen *pscreen, struct pipe_context *pctx, struct pipe_resource *prsc, struct winsys_handle *handle, unsigned usage) { struct fd_resource *rsc = fd_resource(prsc); handle->modifier = fd_resource_modifier(rsc); return fd_screen_bo_get_handle(pscreen, rsc->bo, rsc->scanout, fd_resource_slice(rsc, 0)->pitch * rsc->layout.cpp, handle); } static uint32_t setup_slices(struct fd_resource *rsc, uint32_t alignment, enum pipe_format format) { struct pipe_resource *prsc = &rsc->base; struct fd_screen *screen = fd_screen(prsc->screen); enum util_format_layout layout = util_format_description(format)->layout; uint32_t pitchalign = screen->gmem_alignw; uint32_t level, size = 0; uint32_t width = prsc->width0; uint32_t height = prsc->height0; uint32_t depth = prsc->depth0; /* in layer_first layout, the level (slice) contains just one * layer (since in fact the layer contains the slices) */ uint32_t layers_in_level = rsc->layout.layer_first ? 1 : prsc->array_size; for (level = 0; level <= prsc->last_level; level++) { struct fdl_slice *slice = fd_resource_slice(rsc, level); uint32_t blocks; if (layout == UTIL_FORMAT_LAYOUT_ASTC) slice->pitch = width = util_align_npot(width, pitchalign * util_format_get_blockwidth(format)); else slice->pitch = width = align(width, pitchalign); slice->offset = size; blocks = util_format_get_nblocks(format, width, height); /* 1d array and 2d array textures must all have the same layer size * for each miplevel on a3xx. 3d textures can have different layer * sizes for high levels, but the hw auto-sizer is buggy (or at least * different than what this code does), so as soon as the layer size * range gets into range, we stop reducing it. */ if (prsc->target == PIPE_TEXTURE_3D && ( level == 1 || (level > 1 && fd_resource_slice(rsc, level - 1)->size0 > 0xf000))) slice->size0 = align(blocks * rsc->layout.cpp, alignment); else if (level == 0 || rsc->layout.layer_first || alignment == 1) slice->size0 = align(blocks * rsc->layout.cpp, alignment); else slice->size0 = fd_resource_slice(rsc, level - 1)->size0; size += slice->size0 * depth * layers_in_level; width = u_minify(width, 1); height = u_minify(height, 1); depth = u_minify(depth, 1); } return size; } static uint32_t slice_alignment(enum pipe_texture_target target) { /* on a3xx, 2d array and 3d textures seem to want their * layers aligned to page boundaries: */ switch (target) { case PIPE_TEXTURE_3D: case PIPE_TEXTURE_1D_ARRAY: case PIPE_TEXTURE_2D_ARRAY: return 4096; default: return 1; } } /* cross generation texture layout to plug in to screen->setup_slices().. * replace with generation specific one as-needed. * * TODO for a4xx probably can extract out the a4xx specific logic int * a small fd4_setup_slices() wrapper that sets up layer_first, and then * calls this. */ uint32_t fd_setup_slices(struct fd_resource *rsc) { uint32_t alignment; alignment = slice_alignment(rsc->base.target); struct fd_screen *screen = fd_screen(rsc->base.screen); if (is_a4xx(screen)) { switch (rsc->base.target) { case PIPE_TEXTURE_3D: rsc->layout.layer_first = false; break; default: rsc->layout.layer_first = true; alignment = 1; break; } } return setup_slices(rsc, alignment, rsc->base.format); } /* special case to resize query buf after allocated.. */ void fd_resource_resize(struct pipe_resource *prsc, uint32_t sz) { struct fd_resource *rsc = fd_resource(prsc); debug_assert(prsc->width0 == 0); debug_assert(prsc->target == PIPE_BUFFER); debug_assert(prsc->bind == PIPE_BIND_QUERY_BUFFER); prsc->width0 = sz; realloc_bo(rsc, fd_screen(prsc->screen)->setup_slices(rsc)); } static void fd_resource_layout_init(struct pipe_resource *prsc) { struct fd_resource *rsc = fd_resource(prsc); struct fdl_layout *layout = &rsc->layout; layout->width0 = prsc->width0; layout->height0 = prsc->height0; layout->depth0 = prsc->depth0; layout->cpp = util_format_get_blocksize(prsc->format); layout->cpp *= fd_resource_nr_samples(prsc); } /** * Create a new texture object, using the given template info. */ static struct pipe_resource * fd_resource_create_with_modifiers(struct pipe_screen *pscreen, const struct pipe_resource *tmpl, const uint64_t *modifiers, int count) { struct fd_screen *screen = fd_screen(pscreen); struct fd_resource *rsc; struct pipe_resource *prsc; enum pipe_format format = tmpl->format; uint32_t size; /* when using kmsro, scanout buffers are allocated on the display device * create_with_modifiers() doesn't give us usage flags, so we have to * assume that all calls with modifiers are scanout-possible */ if (screen->ro && ((tmpl->bind & PIPE_BIND_SCANOUT) || !(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID))) { struct pipe_resource scanout_templat = *tmpl; struct renderonly_scanout *scanout; struct winsys_handle handle; /* apply freedreno alignment requirement */ scanout_templat.width0 = align(tmpl->width0, screen->gmem_alignw); scanout = renderonly_scanout_for_resource(&scanout_templat, screen->ro, &handle); if (!scanout) return NULL; renderonly_scanout_destroy(scanout, screen->ro); assert(handle.type == WINSYS_HANDLE_TYPE_FD); rsc = fd_resource(pscreen->resource_from_handle(pscreen, tmpl, &handle, PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE)); close(handle.handle); if (!rsc) return NULL; return &rsc->base; } rsc = CALLOC_STRUCT(fd_resource); prsc = &rsc->base; DBG("%p: target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " "nr_samples=%u, usage=%u, bind=%x, flags=%x", prsc, tmpl->target, util_format_name(format), tmpl->width0, tmpl->height0, tmpl->depth0, tmpl->array_size, tmpl->last_level, tmpl->nr_samples, tmpl->usage, tmpl->bind, tmpl->flags); if (!rsc) return NULL; *prsc = *tmpl; fd_resource_layout_init(prsc); #define LINEAR \ (PIPE_BIND_SCANOUT | \ PIPE_BIND_LINEAR | \ PIPE_BIND_DISPLAY_TARGET) bool linear = drm_find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count); if (tmpl->bind & LINEAR) linear = true; if (fd_mesa_debug & FD_DBG_NOTILE) linear = true; /* Normally, for non-shared buffers, allow buffer compression if * not shared, otherwise only allow if QCOM_COMPRESSED modifier * is requested: * * TODO we should probably also limit tiled in a similar way, * except we don't have a format modifier for tiled. (We probably * should.) */ bool allow_ubwc = drm_find_modifier(DRM_FORMAT_MOD_INVALID, modifiers, count); if (tmpl->bind & PIPE_BIND_SHARED) allow_ubwc = drm_find_modifier(DRM_FORMAT_MOD_QCOM_COMPRESSED, modifiers, count); allow_ubwc &= !(fd_mesa_debug & FD_DBG_NOUBWC); pipe_reference_init(&prsc->reference, 1); prsc->screen = pscreen; if (screen->tile_mode && (tmpl->target != PIPE_BUFFER) && !linear) { rsc->layout.tile_mode = screen->tile_mode(prsc); } util_range_init(&rsc->valid_buffer_range); rsc->internal_format = format; if (prsc->target == PIPE_BUFFER) { assert(prsc->format == PIPE_FORMAT_R8_UNORM); size = prsc->width0; fdl_layout_buffer(&rsc->layout, size); } else { size = screen->setup_slices(rsc); } if (allow_ubwc && screen->fill_ubwc_buffer_sizes && rsc->layout.tile_mode) size += screen->fill_ubwc_buffer_sizes(rsc); /* special case for hw-query buffer, which we need to allocate before we * know the size: */ if (size == 0) { /* note, semi-intention == instead of & */ debug_assert(prsc->bind == PIPE_BIND_QUERY_BUFFER); return prsc; } if (rsc->layout.layer_first) { rsc->layout.layer_size = align(size, 4096); size = rsc->layout.layer_size * prsc->array_size; } realloc_bo(rsc, size); if (!rsc->bo) goto fail; return prsc; fail: fd_resource_destroy(pscreen, prsc); return NULL; } static struct pipe_resource * fd_resource_create(struct pipe_screen *pscreen, const struct pipe_resource *tmpl) { const uint64_t mod = DRM_FORMAT_MOD_INVALID; return fd_resource_create_with_modifiers(pscreen, tmpl, &mod, 1); } static bool is_supported_modifier(struct pipe_screen *pscreen, enum pipe_format pfmt, uint64_t mod) { int count; /* Get the count of supported modifiers: */ pscreen->query_dmabuf_modifiers(pscreen, pfmt, 0, NULL, NULL, &count); /* Get the supported modifiers: */ uint64_t modifiers[count]; pscreen->query_dmabuf_modifiers(pscreen, pfmt, count, modifiers, NULL, &count); for (int i = 0; i < count; i++) if (modifiers[i] == mod) return true; return false; } /** * Create a texture from a winsys_handle. The handle is often created in * another process by first creating a pipe texture and then calling * resource_get_handle. */ static struct pipe_resource * fd_resource_from_handle(struct pipe_screen *pscreen, const struct pipe_resource *tmpl, struct winsys_handle *handle, unsigned usage) { struct fd_screen *screen = fd_screen(pscreen); struct fd_resource *rsc = CALLOC_STRUCT(fd_resource); struct fdl_slice *slice = fd_resource_slice(rsc, 0); struct pipe_resource *prsc = &rsc->base; uint32_t pitchalign = fd_screen(pscreen)->gmem_alignw; DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, " "nr_samples=%u, usage=%u, bind=%x, flags=%x", tmpl->target, util_format_name(tmpl->format), tmpl->width0, tmpl->height0, tmpl->depth0, tmpl->array_size, tmpl->last_level, tmpl->nr_samples, tmpl->usage, tmpl->bind, tmpl->flags); if (!rsc) return NULL; *prsc = *tmpl; fd_resource_layout_init(prsc); pipe_reference_init(&prsc->reference, 1); prsc->screen = pscreen; util_range_init(&rsc->valid_buffer_range); rsc->bo = fd_screen_bo_from_handle(pscreen, handle); if (!rsc->bo) goto fail; rsc->internal_format = tmpl->format; slice->pitch = handle->stride / rsc->layout.cpp; slice->offset = handle->offset; slice->size0 = handle->stride * prsc->height0; if ((slice->pitch < align(prsc->width0, pitchalign)) || (slice->pitch & (pitchalign - 1))) goto fail; if (handle->modifier == DRM_FORMAT_MOD_QCOM_COMPRESSED) { if (!is_supported_modifier(pscreen, tmpl->format, DRM_FORMAT_MOD_QCOM_COMPRESSED)) { DBG("bad modifier: %"PRIx64, handle->modifier); goto fail; } debug_assert(screen->fill_ubwc_buffer_sizes); screen->fill_ubwc_buffer_sizes(rsc); } else if (handle->modifier && (handle->modifier != DRM_FORMAT_MOD_INVALID)) { goto fail; } assert(rsc->layout.cpp); if (screen->ro) { rsc->scanout = renderonly_create_gpu_import_for_resource(prsc, screen->ro, NULL); /* failure is expected in some cases.. */ } rsc->valid = true; return prsc; fail: fd_resource_destroy(pscreen, prsc); return NULL; } bool fd_render_condition_check(struct pipe_context *pctx) { struct fd_context *ctx = fd_context(pctx); if (!ctx->cond_query) return true; union pipe_query_result res = { 0 }; bool wait = ctx->cond_mode != PIPE_RENDER_COND_NO_WAIT && ctx->cond_mode != PIPE_RENDER_COND_BY_REGION_NO_WAIT; if (pctx->get_query_result(pctx, ctx->cond_query, wait, &res)) return (bool)res.u64 != ctx->cond_cond; return true; } static void fd_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc) { struct fd_context *ctx = fd_context(pctx); struct fd_resource *rsc = fd_resource(prsc); /* * TODO I guess we could track that the resource is invalidated and * use that as a hint to realloc rather than stall in _transfer_map(), * even in the non-DISCARD_WHOLE_RESOURCE case? * * Note: we set dirty bits to trigger invalidate logic fd_draw_vbo */ if (rsc->write_batch) { struct fd_batch *batch = rsc->write_batch; struct pipe_framebuffer_state *pfb = &batch->framebuffer; if (pfb->zsbuf && pfb->zsbuf->texture == prsc) { batch->resolve &= ~(FD_BUFFER_DEPTH | FD_BUFFER_STENCIL); ctx->dirty |= FD_DIRTY_ZSA; } for (unsigned i = 0; i < pfb->nr_cbufs; i++) { if (pfb->cbufs[i] && pfb->cbufs[i]->texture == prsc) { batch->resolve &= ~(PIPE_CLEAR_COLOR0 << i); ctx->dirty |= FD_DIRTY_FRAMEBUFFER; } } } rsc->valid = false; } static enum pipe_format fd_resource_get_internal_format(struct pipe_resource *prsc) { return fd_resource(prsc)->internal_format; } static void fd_resource_set_stencil(struct pipe_resource *prsc, struct pipe_resource *stencil) { fd_resource(prsc)->stencil = fd_resource(stencil); } static struct pipe_resource * fd_resource_get_stencil(struct pipe_resource *prsc) { struct fd_resource *rsc = fd_resource(prsc); if (rsc->stencil) return &rsc->stencil->base; return NULL; } static const struct u_transfer_vtbl transfer_vtbl = { .resource_create = fd_resource_create, .resource_destroy = fd_resource_destroy, .transfer_map = fd_resource_transfer_map, .transfer_flush_region = fd_resource_transfer_flush_region, .transfer_unmap = fd_resource_transfer_unmap, .get_internal_format = fd_resource_get_internal_format, .set_stencil = fd_resource_set_stencil, .get_stencil = fd_resource_get_stencil, }; void fd_resource_screen_init(struct pipe_screen *pscreen) { struct fd_screen *screen = fd_screen(pscreen); bool fake_rgtc = screen->gpu_id < 400; pscreen->resource_create = u_transfer_helper_resource_create; /* NOTE: u_transfer_helper does not yet support the _with_modifiers() * variant: */ pscreen->resource_create_with_modifiers = fd_resource_create_with_modifiers; pscreen->resource_from_handle = fd_resource_from_handle; pscreen->resource_get_handle = fd_resource_get_handle; pscreen->resource_destroy = u_transfer_helper_resource_destroy; pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl, true, false, fake_rgtc, true); if (!screen->setup_slices) screen->setup_slices = fd_setup_slices; } static void fd_get_sample_position(struct pipe_context *context, unsigned sample_count, unsigned sample_index, float *pos_out) { /* The following is copied from nouveau/nv50 except for position * values, which are taken from blob driver */ static const uint8_t pos1[1][2] = { { 0x8, 0x8 } }; static const uint8_t pos2[2][2] = { { 0xc, 0xc }, { 0x4, 0x4 } }; static const uint8_t pos4[4][2] = { { 0x6, 0x2 }, { 0xe, 0x6 }, { 0x2, 0xa }, { 0xa, 0xe } }; /* TODO needs to be verified on supported hw */ static const uint8_t pos8[8][2] = { { 0x9, 0x5 }, { 0x7, 0xb }, { 0xd, 0x9 }, { 0x5, 0x3 }, { 0x3, 0xd }, { 0x1, 0x7 }, { 0xb, 0xf }, { 0xf, 0x1 } }; const uint8_t (*ptr)[2]; switch (sample_count) { case 1: ptr = pos1; break; case 2: ptr = pos2; break; case 4: ptr = pos4; break; case 8: ptr = pos8; break; default: assert(0); return; } pos_out[0] = ptr[sample_index][0] / 16.0f; pos_out[1] = ptr[sample_index][1] / 16.0f; } static void fd_blit_pipe(struct pipe_context *pctx, const struct pipe_blit_info *blit_info) { /* wrap fd_blit to return void */ fd_blit(pctx, blit_info); } void fd_resource_context_init(struct pipe_context *pctx) { pctx->transfer_map = u_transfer_helper_transfer_map; pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region; pctx->transfer_unmap = u_transfer_helper_transfer_unmap; pctx->buffer_subdata = u_default_buffer_subdata; pctx->texture_subdata = u_default_texture_subdata; pctx->create_surface = fd_create_surface; pctx->surface_destroy = fd_surface_destroy; pctx->resource_copy_region = fd_resource_copy_region; pctx->blit = fd_blit_pipe; pctx->flush_resource = fd_flush_resource; pctx->invalidate_resource = fd_invalidate_resource; pctx->get_sample_position = fd_get_sample_position; }