237 lines
7.8 KiB
C
237 lines
7.8 KiB
C
/*
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* Copyright © 2022 Raspberry Pi Ltd
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/**
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* V3D on-disk shader cache.
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*/
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#include "v3d_context.h"
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#include "compiler/nir/nir_serialize.h"
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#include "util/blob.h"
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#include "util/u_upload_mgr.h"
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#ifdef ENABLE_SHADER_CACHE
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static uint32_t
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v3d_key_size(gl_shader_stage stage)
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{
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static const int key_size[] = {
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[MESA_SHADER_VERTEX] = sizeof(struct v3d_vs_key),
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[MESA_SHADER_GEOMETRY] = sizeof(struct v3d_gs_key),
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[MESA_SHADER_FRAGMENT] = sizeof(struct v3d_fs_key),
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[MESA_SHADER_COMPUTE] = sizeof(struct v3d_key),
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};
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assert(stage >= 0 &&
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stage < ARRAY_SIZE(key_size) &&
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key_size[stage]);
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return key_size[stage];
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}
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void v3d_disk_cache_init(struct v3d_screen *screen)
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{
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char *renderer;
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ASSERTED int len =
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asprintf(&renderer, "V3D %d.%d",
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screen->devinfo.ver / 10,
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screen->devinfo.ver % 10);
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assert(len > 0);
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const struct build_id_note *note =
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build_id_find_nhdr_for_addr(v3d_disk_cache_init);
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assert(note && build_id_length(note) == 20);
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const uint8_t *id_sha1 = build_id_data(note);
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assert(id_sha1);
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char timestamp[41];
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_mesa_sha1_format(timestamp, id_sha1);
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screen->disk_cache = disk_cache_create(renderer, timestamp, 0);
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free(renderer);
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}
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static void
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v3d_disk_cache_compute_key(struct disk_cache *cache,
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const struct v3d_key *key,
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cache_key cache_key)
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{
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assert(cache);
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struct v3d_uncompiled_shader *uncompiled = key->shader_state;
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assert(uncompiled->base.type == PIPE_SHADER_IR_NIR);
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nir_shader *nir = uncompiled->base.ir.nir;
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struct blob blob;
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blob_init(&blob);
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uint32_t ckey_size = v3d_key_size(nir->info.stage);
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struct v3d_key *ckey = malloc(ckey_size);
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memcpy(ckey, key, ckey_size);
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ckey->shader_state = NULL;
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blob_write_bytes(&blob, ckey, ckey_size);
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nir_serialize(&blob, nir, true);
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disk_cache_compute_key(cache, blob.data, blob.size, cache_key);
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blob_finish(&blob);
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free(ckey);
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}
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struct v3d_compiled_shader *
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v3d_disk_cache_retrieve(struct v3d_context *v3d,
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const struct v3d_key *key)
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{
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struct v3d_screen *screen = v3d->screen;
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struct disk_cache *cache = screen->disk_cache;
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if (!cache)
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return NULL;
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struct v3d_uncompiled_shader *uncompiled = key->shader_state;
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assert(uncompiled->base.type == PIPE_SHADER_IR_NIR);
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nir_shader *nir = uncompiled->base.ir.nir;
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cache_key cache_key;
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v3d_disk_cache_compute_key(cache, key, cache_key);
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size_t buffer_size;
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void *buffer = disk_cache_get(cache, cache_key, &buffer_size);
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if (unlikely(V3D_DEBUG & V3D_DEBUG_CACHE)) {
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char sha1[41];
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_mesa_sha1_format(sha1, cache_key);
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fprintf(stderr, "[v3d on-disk cache] %s %s\n",
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buffer ? "hit" : "miss",
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sha1);
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}
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if (!buffer)
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return NULL;
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/* Load data */
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struct blob_reader blob;
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blob_reader_init(&blob, buffer, buffer_size);
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uint32_t prog_data_size = v3d_prog_data_size(nir->info.stage);
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const void *prog_data = blob_read_bytes(&blob, prog_data_size);
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if (blob.overrun)
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return NULL;
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uint32_t ulist_count = blob_read_uint32(&blob);
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uint32_t ulist_contents_size = ulist_count * sizeof(enum quniform_contents);
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const void *ulist_contents = blob_read_bytes(&blob, ulist_contents_size);
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if (blob.overrun)
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return NULL;
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uint32_t ulist_data_size = ulist_count * sizeof(uint32_t);
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const void *ulist_data = blob_read_bytes(&blob, ulist_data_size);
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if (blob.overrun)
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return NULL;
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uint32_t qpu_size = blob_read_uint32(&blob);
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const void *qpu_insts =
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blob_read_bytes(&blob, qpu_size);
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if (blob.overrun)
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return NULL;
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/* Assemble data */
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struct v3d_compiled_shader *shader = rzalloc(NULL, struct v3d_compiled_shader);
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shader->prog_data.base = rzalloc_size(shader, prog_data_size);
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memcpy(shader->prog_data.base, prog_data, prog_data_size);
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shader->prog_data.base->uniforms.count = ulist_count;
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shader->prog_data.base->uniforms.contents =
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ralloc_array(shader->prog_data.base, enum quniform_contents, ulist_count);
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memcpy(shader->prog_data.base->uniforms.contents, ulist_contents, ulist_contents_size);
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shader->prog_data.base->uniforms.data =
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ralloc_array(shader->prog_data.base, uint32_t, ulist_count);
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memcpy(shader->prog_data.base->uniforms.data, ulist_data, ulist_data_size);
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u_upload_data(v3d->state_uploader, 0, qpu_size, 8,
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qpu_insts, &shader->offset, &shader->resource);
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free(buffer);
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return shader;
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}
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void
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v3d_disk_cache_store(struct v3d_context *v3d,
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const struct v3d_key *key,
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const struct v3d_compiled_shader *shader,
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uint64_t *qpu_insts,
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uint32_t qpu_size)
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{
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struct v3d_screen *screen = v3d->screen;
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struct disk_cache *cache = screen->disk_cache;
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if (!cache)
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return;
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struct v3d_uncompiled_shader *uncompiled = key->shader_state;
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assert(uncompiled->base.type == PIPE_SHADER_IR_NIR);
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nir_shader *nir = uncompiled->base.ir.nir;
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cache_key cache_key;
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v3d_disk_cache_compute_key(cache, key, cache_key);
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if (unlikely(V3D_DEBUG & V3D_DEBUG_CACHE)) {
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char sha1[41];
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_mesa_sha1_format(sha1, cache_key);
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fprintf(stderr, "[v3d on-disk cache] storing %s\n", sha1);
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}
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struct blob blob;
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blob_init(&blob);
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blob_write_bytes(&blob, shader->prog_data.base, v3d_prog_data_size(nir->info.stage));
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uint32_t ulist_count = shader->prog_data.base->uniforms.count;
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blob_write_uint32(&blob, ulist_count);
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blob_write_bytes(&blob,
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shader->prog_data.base->uniforms.contents,
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ulist_count * sizeof(enum quniform_contents));
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blob_write_bytes(&blob,
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shader->prog_data.base->uniforms.data,
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ulist_count * sizeof(uint32_t));
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blob_write_uint32(&blob, qpu_size);
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blob_write_bytes(&blob, qpu_insts, qpu_size);
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disk_cache_put(cache, cache_key, blob.data, blob.size, NULL);
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blob_finish(&blob);
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}
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#endif /* ENABLE_SHADER_CACHE */
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