/* * Copyright (C) 2016 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/list.h" #include "util/set.h" #include "util/hash_table.h" #include "util/u_string.h" #include "freedreno_batch.h" #include "freedreno_context.h" #include "freedreno_fence.h" #include "freedreno_resource.h" #include "freedreno_query_hw.h" static void batch_init(struct fd_batch *batch) { struct fd_context *ctx = batch->ctx; unsigned size = 0; if (ctx->screen->reorder) util_queue_fence_init(&batch->flush_fence); /* if kernel is too old to support unlimited # of cmd buffers, we * have no option but to allocate large worst-case sizes so that * we don't need to grow the ringbuffer. Performance is likely to * suffer, but there is no good alternative. * * XXX I think we can just require new enough kernel for this? */ if ((fd_device_version(ctx->screen->dev) < FD_VERSION_UNLIMITED_CMDS) || (fd_mesa_debug & FD_DBG_NOGROW)){ size = 0x100000; } batch->submit = fd_submit_new(ctx->pipe); if (batch->nondraw) { batch->draw = fd_submit_new_ringbuffer(batch->submit, size, FD_RINGBUFFER_PRIMARY | FD_RINGBUFFER_GROWABLE); } else { batch->gmem = fd_submit_new_ringbuffer(batch->submit, size, FD_RINGBUFFER_PRIMARY | FD_RINGBUFFER_GROWABLE); batch->draw = fd_submit_new_ringbuffer(batch->submit, size, FD_RINGBUFFER_GROWABLE); if (ctx->screen->gpu_id < 600) { batch->binning = fd_submit_new_ringbuffer(batch->submit, size, FD_RINGBUFFER_GROWABLE); } } batch->in_fence_fd = -1; batch->fence = fd_fence_create(batch); batch->cleared = 0; batch->fast_cleared = 0; batch->invalidated = 0; batch->restore = batch->resolve = 0; batch->needs_flush = false; batch->flushed = false; batch->gmem_reason = 0; batch->num_draws = 0; batch->num_vertices = 0; batch->stage = FD_STAGE_NULL; fd_reset_wfi(batch); util_dynarray_init(&batch->draw_patches, NULL); if (is_a2xx(ctx->screen)) { util_dynarray_init(&batch->shader_patches, NULL); util_dynarray_init(&batch->gmem_patches, NULL); } if (is_a3xx(ctx->screen)) util_dynarray_init(&batch->rbrc_patches, NULL); assert(batch->resources->entries == 0); util_dynarray_init(&batch->samples, NULL); } struct fd_batch * fd_batch_create(struct fd_context *ctx, bool nondraw) { struct fd_batch *batch = CALLOC_STRUCT(fd_batch); if (!batch) return NULL; DBG("%p", batch); pipe_reference_init(&batch->reference, 1); batch->ctx = ctx; batch->nondraw = nondraw; batch->resources = _mesa_set_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal); batch_init(batch); return batch; } static void batch_fini(struct fd_batch *batch) { DBG("%p", batch); pipe_resource_reference(&batch->query_buf, NULL); if (batch->in_fence_fd != -1) close(batch->in_fence_fd); /* in case batch wasn't flushed but fence was created: */ fd_fence_populate(batch->fence, 0, -1); fd_fence_ref(NULL, &batch->fence, NULL); fd_ringbuffer_del(batch->draw); if (!batch->nondraw) { if (batch->binning) fd_ringbuffer_del(batch->binning); fd_ringbuffer_del(batch->gmem); } else { debug_assert(!batch->binning); debug_assert(!batch->gmem); } if (batch->lrz_clear) { fd_ringbuffer_del(batch->lrz_clear); batch->lrz_clear = NULL; } if (batch->tile_setup) { fd_ringbuffer_del(batch->tile_setup); batch->tile_setup = NULL; } if (batch->tile_fini) { fd_ringbuffer_del(batch->tile_fini); batch->tile_fini = NULL; } fd_submit_del(batch->submit); util_dynarray_fini(&batch->draw_patches); if (is_a2xx(batch->ctx->screen)) { util_dynarray_fini(&batch->shader_patches); util_dynarray_fini(&batch->gmem_patches); } if (is_a3xx(batch->ctx->screen)) util_dynarray_fini(&batch->rbrc_patches); while (batch->samples.size > 0) { struct fd_hw_sample *samp = util_dynarray_pop(&batch->samples, struct fd_hw_sample *); fd_hw_sample_reference(batch->ctx, &samp, NULL); } util_dynarray_fini(&batch->samples); if (batch->ctx->screen->reorder) util_queue_fence_destroy(&batch->flush_fence); } static void batch_flush_reset_dependencies(struct fd_batch *batch, bool flush) { struct fd_batch_cache *cache = &batch->ctx->screen->batch_cache; struct fd_batch *dep; foreach_batch(dep, cache, batch->dependents_mask) { if (flush) fd_batch_flush(dep, false, false); fd_batch_reference(&dep, NULL); } batch->dependents_mask = 0; } static void batch_reset_resources_locked(struct fd_batch *batch) { pipe_mutex_assert_locked(batch->ctx->screen->lock); set_foreach(batch->resources, entry) { struct fd_resource *rsc = (struct fd_resource *)entry->key; _mesa_set_remove(batch->resources, entry); debug_assert(rsc->batch_mask & (1 << batch->idx)); rsc->batch_mask &= ~(1 << batch->idx); if (rsc->write_batch == batch) fd_batch_reference_locked(&rsc->write_batch, NULL); } } static void batch_reset_resources(struct fd_batch *batch) { mtx_lock(&batch->ctx->screen->lock); batch_reset_resources_locked(batch); mtx_unlock(&batch->ctx->screen->lock); } static void batch_reset(struct fd_batch *batch) { DBG("%p", batch); fd_batch_sync(batch); batch_flush_reset_dependencies(batch, false); batch_reset_resources(batch); batch_fini(batch); batch_init(batch); } void fd_batch_reset(struct fd_batch *batch) { if (batch->needs_flush) batch_reset(batch); } void __fd_batch_destroy(struct fd_batch *batch) { struct fd_context *ctx = batch->ctx; DBG("%p", batch); fd_context_assert_locked(batch->ctx); fd_bc_invalidate_batch(batch, true); batch_reset_resources_locked(batch); debug_assert(batch->resources->entries == 0); _mesa_set_destroy(batch->resources, NULL); fd_context_unlock(ctx); batch_flush_reset_dependencies(batch, false); debug_assert(batch->dependents_mask == 0); util_copy_framebuffer_state(&batch->framebuffer, NULL); batch_fini(batch); free(batch); fd_context_lock(ctx); } void __fd_batch_describe(char* buf, const struct fd_batch *batch) { util_sprintf(buf, "fd_batch<%u>", batch->seqno); } void fd_batch_sync(struct fd_batch *batch) { if (!batch->ctx->screen->reorder) return; util_queue_fence_wait(&batch->flush_fence); } static void batch_flush_func(void *job, int id) { struct fd_batch *batch = job; DBG("%p", batch); fd_gmem_render_tiles(batch); batch_reset_resources(batch); } static void batch_cleanup_func(void *job, int id) { struct fd_batch *batch = job; fd_batch_reference(&batch, NULL); } static void batch_flush(struct fd_batch *batch, bool force) { DBG("%p: needs_flush=%d", batch, batch->needs_flush); if (batch->flushed) return; batch->needs_flush = false; /* close out the draw cmds by making sure any active queries are * paused: */ fd_batch_set_stage(batch, FD_STAGE_NULL); batch_flush_reset_dependencies(batch, true); batch->flushed = true; if (batch->ctx->screen->reorder) { struct fd_batch *tmp = NULL; fd_batch_reference(&tmp, batch); if (!util_queue_is_initialized(&batch->ctx->flush_queue)) util_queue_init(&batch->ctx->flush_queue, "flush_queue", 16, 1, 0); util_queue_add_job(&batch->ctx->flush_queue, batch, &batch->flush_fence, batch_flush_func, batch_cleanup_func); } else { fd_gmem_render_tiles(batch); batch_reset_resources(batch); } debug_assert(batch->reference.count > 0); mtx_lock(&batch->ctx->screen->lock); fd_bc_invalidate_batch(batch, false); mtx_unlock(&batch->ctx->screen->lock); } /* NOTE: could drop the last ref to batch * * @sync: synchronize with flush_queue, ensures batch is *actually* flushed * to kernel before this returns, as opposed to just being queued to be * flushed * @force: force a flush even if no rendering, mostly useful if you need * a fence to sync on */ void fd_batch_flush(struct fd_batch *batch, bool sync, bool force) { struct fd_batch *tmp = NULL; bool newbatch = false; /* NOTE: we need to hold an extra ref across the body of flush, * since the last ref to this batch could be dropped when cleaning * up used_resources */ fd_batch_reference(&tmp, batch); if (batch == batch->ctx->batch) { batch->ctx->batch = NULL; newbatch = true; } batch_flush(tmp, force); if (newbatch) { struct fd_context *ctx = batch->ctx; struct fd_batch *new_batch; if (ctx->screen->reorder) { /* defer allocating new batch until one is needed for rendering * to avoid unused batches for apps that create many contexts */ new_batch = NULL; } else { new_batch = fd_bc_alloc_batch(&ctx->screen->batch_cache, ctx, false); util_copy_framebuffer_state(&new_batch->framebuffer, &batch->framebuffer); } fd_batch_reference(&batch, NULL); ctx->batch = new_batch; fd_context_all_dirty(ctx); } if (sync) fd_batch_sync(tmp); fd_batch_reference(&tmp, NULL); } /* does 'batch' depend directly or indirectly on 'other' ? */ static bool batch_depends_on(struct fd_batch *batch, struct fd_batch *other) { struct fd_batch_cache *cache = &batch->ctx->screen->batch_cache; struct fd_batch *dep; if (batch->dependents_mask & (1 << other->idx)) return true; foreach_batch(dep, cache, batch->dependents_mask) if (batch_depends_on(batch, dep)) return true; return false; } void fd_batch_add_dep(struct fd_batch *batch, struct fd_batch *dep) { if (batch->dependents_mask & (1 << dep->idx)) return; /* a loop should not be possible */ debug_assert(!batch_depends_on(dep, batch)); struct fd_batch *other = NULL; fd_batch_reference_locked(&other, dep); batch->dependents_mask |= (1 << dep->idx); DBG("%p: added dependency on %p", batch, dep); } static void flush_write_batch(struct fd_resource *rsc) { struct fd_batch *b = NULL; fd_batch_reference_locked(&b, rsc->write_batch); mtx_unlock(&b->ctx->screen->lock); fd_batch_flush(b, true, false); mtx_lock(&b->ctx->screen->lock); fd_bc_invalidate_batch(b, false); fd_batch_reference_locked(&b, NULL); } void fd_batch_resource_used(struct fd_batch *batch, struct fd_resource *rsc, bool write) { pipe_mutex_assert_locked(batch->ctx->screen->lock); if (rsc->stencil) fd_batch_resource_used(batch, rsc->stencil, write); DBG("%p: %s %p", batch, write ? "write" : "read", rsc); if (write) rsc->valid = true; /* note, invalidate write batch, to avoid further writes to rsc * resulting in a write-after-read hazard. */ if (write) { /* if we are pending read or write by any other batch: */ if (rsc->batch_mask & ~(1 << batch->idx)) { struct fd_batch_cache *cache = &batch->ctx->screen->batch_cache; struct fd_batch *dep; if (rsc->write_batch && rsc->write_batch != batch) flush_write_batch(rsc); foreach_batch(dep, cache, rsc->batch_mask) { struct fd_batch *b = NULL; if (dep == batch) continue; /* note that batch_add_dep could flush and unref dep, so * we need to hold a reference to keep it live for the * fd_bc_invalidate_batch() */ fd_batch_reference(&b, dep); fd_batch_add_dep(batch, b); fd_bc_invalidate_batch(b, false); fd_batch_reference_locked(&b, NULL); } } fd_batch_reference_locked(&rsc->write_batch, batch); } else { /* If reading a resource pending a write, go ahead and flush the * writer. This avoids situations where we end up having to * flush the current batch in _resource_used() */ if (rsc->write_batch && rsc->write_batch != batch) flush_write_batch(rsc); } if (rsc->batch_mask & (1 << batch->idx)) { debug_assert(_mesa_set_search(batch->resources, rsc)); return; } debug_assert(!_mesa_set_search(batch->resources, rsc)); _mesa_set_add(batch->resources, rsc); rsc->batch_mask |= (1 << batch->idx); } void fd_batch_check_size(struct fd_batch *batch) { debug_assert(!batch->flushed); if (unlikely(fd_mesa_debug & FD_DBG_FLUSH)) { fd_batch_flush(batch, true, false); return; } if (fd_device_version(batch->ctx->screen->dev) >= FD_VERSION_UNLIMITED_CMDS) return; struct fd_ringbuffer *ring = batch->draw; if ((ring->cur - ring->start) > (ring->size/4 - 0x1000)) fd_batch_flush(batch, true, false); } /* emit a WAIT_FOR_IDLE only if needed, ie. if there has not already * been one since last draw: */ void fd_wfi(struct fd_batch *batch, struct fd_ringbuffer *ring) { if (batch->needs_wfi) { if (batch->ctx->screen->gpu_id >= 500) OUT_WFI5(ring); else OUT_WFI(ring); batch->needs_wfi = false; } }