/* * Copyright © 2014-2017 Broadcom * * 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. */ /** @file vc5_job.c * * Functions for submitting VC5 render jobs to the kernel. */ #include #include "vc5_context.h" #include "util/hash_table.h" #include "util/ralloc.h" #include "util/set.h" #include "broadcom/clif/clif_dump.h" #include "broadcom/cle/v3d_packet_v33_pack.h" static void remove_from_ht(struct hash_table *ht, void *key) { struct hash_entry *entry = _mesa_hash_table_search(ht, key); _mesa_hash_table_remove(ht, entry); } static void vc5_job_free(struct vc5_context *vc5, struct vc5_job *job) { struct set_entry *entry; set_foreach(job->bos, entry) { struct vc5_bo *bo = (struct vc5_bo *)entry->key; vc5_bo_unreference(&bo); } remove_from_ht(vc5->jobs, &job->key); if (job->write_prscs) { struct set_entry *entry; set_foreach(job->write_prscs, entry) { const struct pipe_resource *prsc = entry->key; remove_from_ht(vc5->write_jobs, (void *)prsc); } } for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { if (job->cbufs[i]) { remove_from_ht(vc5->write_jobs, job->cbufs[i]->texture); pipe_surface_reference(&job->cbufs[i], NULL); } } if (job->zsbuf) { remove_from_ht(vc5->write_jobs, job->zsbuf->texture); pipe_surface_reference(&job->zsbuf, NULL); } if (vc5->job == job) vc5->job = NULL; vc5_destroy_cl(&job->bcl); vc5_destroy_cl(&job->rcl); vc5_destroy_cl(&job->indirect); vc5_bo_unreference(&job->tile_alloc); ralloc_free(job); } static struct vc5_job * vc5_job_create(struct vc5_context *vc5) { struct vc5_job *job = rzalloc(vc5, struct vc5_job); job->vc5 = vc5; vc5_init_cl(job, &job->bcl); vc5_init_cl(job, &job->rcl); vc5_init_cl(job, &job->indirect); job->draw_min_x = ~0; job->draw_min_y = ~0; job->draw_max_x = 0; job->draw_max_y = 0; job->bos = _mesa_set_create(job, _mesa_hash_pointer, _mesa_key_pointer_equal); return job; } void vc5_job_add_bo(struct vc5_job *job, struct vc5_bo *bo) { if (!bo) return; if (_mesa_set_search(job->bos, bo)) return; vc5_bo_reference(bo); _mesa_set_add(job->bos, bo); uint32_t *bo_handles = (void *)(uintptr_t)job->submit.bo_handles; if (job->submit.bo_handle_count >= job->bo_handles_size) { job->bo_handles_size = MAX2(4, job->bo_handles_size * 2); bo_handles = reralloc(job, bo_handles, uint32_t, job->bo_handles_size); job->submit.bo_handles = (uintptr_t)(void *)bo_handles; } bo_handles[job->submit.bo_handle_count++] = bo->handle; } void vc5_job_add_write_resource(struct vc5_job *job, struct pipe_resource *prsc) { struct vc5_context *vc5 = job->vc5; if (!job->write_prscs) { job->write_prscs = _mesa_set_create(job, _mesa_hash_pointer, _mesa_key_pointer_equal); } _mesa_set_add(job->write_prscs, prsc); _mesa_hash_table_insert(vc5->write_jobs, prsc, job); } void vc5_flush_jobs_writing_resource(struct vc5_context *vc5, struct pipe_resource *prsc) { struct hash_entry *entry = _mesa_hash_table_search(vc5->write_jobs, prsc); if (entry) { struct vc5_job *job = entry->data; vc5_job_submit(vc5, job); } } void vc5_flush_jobs_reading_resource(struct vc5_context *vc5, struct pipe_resource *prsc) { struct vc5_resource *rsc = vc5_resource(prsc); vc5_flush_jobs_writing_resource(vc5, prsc); struct hash_entry *entry; hash_table_foreach(vc5->jobs, entry) { struct vc5_job *job = entry->data; if (_mesa_set_search(job->bos, rsc->bo)) { vc5_job_submit(vc5, job); /* Reminder: vc5->jobs is safe to keep iterating even * after deletion of an entry. */ continue; } } } static void vc5_job_set_tile_buffer_size(struct vc5_job *job) { static const uint8_t tile_sizes[] = { 64, 64, 64, 32, 32, 32, 32, 16, 16, 16, }; int tile_size_index = 0; if (job->msaa) tile_size_index += 2; if (job->cbufs[3]) tile_size_index += 2; else if (job->cbufs[2]) tile_size_index++; int max_bpp = RENDER_TARGET_MAXIMUM_32BPP; for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { if (job->cbufs[i]) { struct vc5_surface *surf = vc5_surface(job->cbufs[i]); max_bpp = MAX2(max_bpp, surf->internal_bpp); } } job->internal_bpp = max_bpp; STATIC_ASSERT(RENDER_TARGET_MAXIMUM_32BPP == 0); tile_size_index += max_bpp; assert(tile_size_index < ARRAY_SIZE(tile_sizes)); job->tile_width = tile_sizes[tile_size_index * 2 + 0]; job->tile_height = tile_sizes[tile_size_index * 2 + 1]; } /** * Returns a vc5_job struture for tracking V3D rendering to a particular FBO. * * If we've already started rendering to this FBO, then return old same job, * otherwise make a new one. If we're beginning rendering to an FBO, make * sure that any previous reads of the FBO (or writes to its color/Z surfaces) * have been flushed. */ struct vc5_job * vc5_get_job(struct vc5_context *vc5, struct pipe_surface **cbufs, struct pipe_surface *zsbuf) { /* Return the existing job for this FBO if we have one */ struct vc5_job_key local_key = { .cbufs = { cbufs[0], cbufs[1], cbufs[2], cbufs[3], }, .zsbuf = zsbuf, }; struct hash_entry *entry = _mesa_hash_table_search(vc5->jobs, &local_key); if (entry) return entry->data; /* Creating a new job. Make sure that any previous jobs reading or * writing these buffers are flushed. */ struct vc5_job *job = vc5_job_create(vc5); for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { if (cbufs[i]) { vc5_flush_jobs_reading_resource(vc5, cbufs[i]->texture); pipe_surface_reference(&job->cbufs[i], cbufs[i]); if (cbufs[i]->texture->nr_samples > 1) job->msaa = true; } } if (zsbuf) { vc5_flush_jobs_reading_resource(vc5, zsbuf->texture); pipe_surface_reference(&job->zsbuf, zsbuf); if (zsbuf->texture->nr_samples > 1) job->msaa = true; } vc5_job_set_tile_buffer_size(job); for (int i = 0; i < VC5_MAX_DRAW_BUFFERS; i++) { if (cbufs[i]) _mesa_hash_table_insert(vc5->write_jobs, cbufs[i]->texture, job); } if (zsbuf) _mesa_hash_table_insert(vc5->write_jobs, zsbuf->texture, job); memcpy(&job->key, &local_key, sizeof(local_key)); _mesa_hash_table_insert(vc5->jobs, &job->key, job); return job; } struct vc5_job * vc5_get_job_for_fbo(struct vc5_context *vc5) { if (vc5->job) return vc5->job; struct pipe_surface **cbufs = vc5->framebuffer.cbufs; struct pipe_surface *zsbuf = vc5->framebuffer.zsbuf; struct vc5_job *job = vc5_get_job(vc5, cbufs, zsbuf); /* The dirty flags are tracking what's been updated while vc5->job has * been bound, so set them all to ~0 when switching between jobs. We * also need to reset all state at the start of rendering. */ vc5->dirty = ~0; /* If we're binding to uninitialized buffers, no need to load their * contents before drawing. */ for (int i = 0; i < 4; i++) { if (cbufs[i]) { struct vc5_resource *rsc = vc5_resource(cbufs[i]->texture); if (!rsc->writes) job->cleared |= PIPE_CLEAR_COLOR0 << i; } } if (zsbuf) { struct vc5_resource *rsc = vc5_resource(zsbuf->texture); if (!rsc->writes) job->cleared |= PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL; } job->draw_tiles_x = DIV_ROUND_UP(vc5->framebuffer.width, job->tile_width); job->draw_tiles_y = DIV_ROUND_UP(vc5->framebuffer.height, job->tile_height); vc5->job = job; return job; } static bool vc5_clif_dump_lookup(void *data, uint32_t addr, void **vaddr) { struct vc5_job *job = data; struct set_entry *entry; set_foreach(job->bos, entry) { struct vc5_bo *bo = (void *)entry->key; if (addr >= bo->offset && addr < bo->offset + bo->size) { vc5_bo_map(bo); *vaddr = bo->map + addr - bo->offset; return true; } } return false; } static void vc5_clif_dump(struct vc5_context *vc5, struct vc5_job *job) { if (!(V3D_DEBUG & V3D_DEBUG_CL)) return; struct clif_dump *clif = clif_dump_init(&vc5->screen->devinfo, stderr, vc5_clif_dump_lookup, job); fprintf(stderr, "BCL: 0x%08x..0x%08x\n", job->submit.bcl_start, job->submit.bcl_end); clif_dump_add_cl(clif, job->submit.bcl_start, job->submit.bcl_end); fprintf(stderr, "RCL: 0x%08x..0x%08x\n", job->submit.rcl_start, job->submit.rcl_end); clif_dump_add_cl(clif, job->submit.rcl_start, job->submit.rcl_end); } /** * Submits the job to the kernel and then reinitializes it. */ void vc5_job_submit(struct vc5_context *vc5, struct vc5_job *job) { if (!job->needs_flush) goto done; /* The RCL setup would choke if the draw bounds cause no drawing, so * just drop the drawing if that's the case. */ if (job->draw_max_x <= job->draw_min_x || job->draw_max_y <= job->draw_min_y) { goto done; } vc5_emit_rcl(job); if (cl_offset(&job->bcl) > 0) { vc5_cl_ensure_space_with_branch(&job->bcl, 2); /* Increment the semaphore indicating that binning is done and * unblocking the render thread. Note that this doesn't act * until the FLUSH completes. */ cl_emit(&job->bcl, INCREMENT_SEMAPHORE, incr); /* The FLUSH caps all of our bin lists with a * VC5_PACKET_RETURN. */ cl_emit(&job->bcl, FLUSH, flush); } job->submit.bcl_end = job->bcl.bo->offset + cl_offset(&job->bcl); job->submit.rcl_end = job->rcl.bo->offset + cl_offset(&job->rcl); vc5_clif_dump(vc5, job); if (!(V3D_DEBUG & V3D_DEBUG_NORAST)) { int ret; #ifndef USE_VC5_SIMULATOR ret = drmIoctl(vc5->fd, DRM_IOCTL_VC5_SUBMIT_CL, &job->submit); #else ret = vc5_simulator_flush(vc5, &job->submit, job); #endif static bool warned = false; if (ret && !warned) { fprintf(stderr, "Draw call returned %s. " "Expect corruption.\n", strerror(errno)); warned = true; } } if (vc5->last_emit_seqno - vc5->screen->finished_seqno > 5) { if (!vc5_wait_seqno(vc5->screen, vc5->last_emit_seqno - 5, PIPE_TIMEOUT_INFINITE, "job throttling")) { fprintf(stderr, "Job throttling failed\n"); } } done: vc5_job_free(vc5, job); } static bool vc5_job_compare(const void *a, const void *b) { return memcmp(a, b, sizeof(struct vc5_job_key)) == 0; } static uint32_t vc5_job_hash(const void *key) { return _mesa_hash_data(key, sizeof(struct vc5_job_key)); } void vc5_job_init(struct vc5_context *vc5) { vc5->jobs = _mesa_hash_table_create(vc5, vc5_job_hash, vc5_job_compare); vc5->write_jobs = _mesa_hash_table_create(vc5, _mesa_hash_pointer, _mesa_key_pointer_equal); }