diff options
Diffstat (limited to 'src/gallium/drivers/v3d/v3d_job.c')
| -rw-r--r-- | src/gallium/drivers/v3d/v3d_job.c | 452 |
1 files changed, 452 insertions, 0 deletions
diff --git a/src/gallium/drivers/v3d/v3d_job.c b/src/gallium/drivers/v3d/v3d_job.c new file mode 100644 index 00000000000..85c64df34ca --- /dev/null +++ b/src/gallium/drivers/v3d/v3d_job.c @@ -0,0 +1,452 @@ +/* + * 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 <xf86drm.h> +#include "v3d_context.h" +/* The OQ/semaphore packets are the same across V3D versions. */ +#define V3D_VERSION 33 +#include "broadcom/cle/v3dx_pack.h" +#include "broadcom/common/v3d_macros.h" +#include "util/hash_table.h" +#include "util/ralloc.h" +#include "util/set.h" +#include "broadcom/clif/clif_dump.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); + vc5_bo_unreference(&job->tile_state); + + 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); + job->referenced_size += bo->size; + + 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] || job->cbufs[2]) + tile_size_index += 2; + else if (job->cbufs[1]) + 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) +{ + MAYBE_UNUSED struct vc5_screen *screen = vc5->screen; + + if (!job->needs_flush) + goto done; + + if (vc5->screen->devinfo.ver >= 41) + v3d41_emit_rcl(job); + else + v3d33_emit_rcl(job); + + if (cl_offset(&job->bcl) > 0) { + if (screen->devinfo.ver >= 41) + v3d41_bcl_epilogue(vc5, job); + else + v3d33_bcl_epilogue(vc5, job); + } + + job->submit.out_sync = vc5->out_sync; + job->submit.bcl_end = job->bcl.bo->offset + cl_offset(&job->bcl); + job->submit.rcl_end = job->rcl.bo->offset + cl_offset(&job->rcl); + + /* On V3D 4.1, the tile alloc/state setup moved to register writes + * instead of binner packets. + */ + if (screen->devinfo.ver >= 41) { + vc5_job_add_bo(job, job->tile_alloc); + job->submit.qma = job->tile_alloc->offset; + job->submit.qms = job->tile_alloc->size; + + vc5_job_add_bo(job, job->tile_state); + job->submit.qts = job->tile_state->offset; + } + + vc5_clif_dump(vc5, job); + + if (!(V3D_DEBUG & V3D_DEBUG_NORAST)) { + int ret; + +#ifndef USE_V3D_SIMULATOR + ret = drmIoctl(vc5->fd, DRM_IOCTL_V3D_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; + } + } + +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); +} + |