--- /dev/null
+/*
+ * Copyright © 2022 Raspberry Pi Ltd
+ *
+ * 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.
+ */
+
+/**
+ * V3D on-disk shader cache.
+ */
+
+#include "v3d_context.h"
+
+#include "compiler/nir/nir_serialize.h"
+#include "util/blob.h"
+#include "util/u_upload_mgr.h"
+
+#ifdef ENABLE_SHADER_CACHE
+
+static uint32_t
+v3d_key_size(gl_shader_stage stage)
+{
+ static const int key_size[] = {
+ [MESA_SHADER_VERTEX] = sizeof(struct v3d_vs_key),
+ [MESA_SHADER_GEOMETRY] = sizeof(struct v3d_gs_key),
+ [MESA_SHADER_FRAGMENT] = sizeof(struct v3d_fs_key),
+ [MESA_SHADER_COMPUTE] = sizeof(struct v3d_key),
+ };
+
+ assert(stage >= 0 &&
+ stage < ARRAY_SIZE(key_size) &&
+ key_size[stage]);
+
+ return key_size[stage];
+}
+
+void v3d_disk_cache_init(struct v3d_screen *screen)
+{
+ char *renderer;
+
+ ASSERTED int len =
+ asprintf(&renderer, "V3D %d.%d",
+ screen->devinfo.ver / 10,
+ screen->devinfo.ver % 10);
+ assert(len > 0);
+
+ const struct build_id_note *note =
+ build_id_find_nhdr_for_addr(v3d_disk_cache_init);
+ assert(note && build_id_length(note) == 20);
+
+ const uint8_t *id_sha1 = build_id_data(note);
+ assert(id_sha1);
+
+ char timestamp[41];
+ _mesa_sha1_format(timestamp, id_sha1);
+
+ screen->disk_cache = disk_cache_create(renderer, timestamp, 0);
+}
+
+static void
+v3d_disk_cache_compute_key(struct disk_cache *cache,
+ const struct v3d_key *key,
+ cache_key cache_key)
+{
+ assert(cache);
+
+ struct v3d_uncompiled_shader *uncompiled = key->shader_state;
+ assert(uncompiled->base.type == PIPE_SHADER_IR_NIR);
+ nir_shader *nir = uncompiled->base.ir.nir;
+
+ struct blob blob;
+ blob_init(&blob);
+
+ uint32_t ckey_size = v3d_key_size(nir->info.stage);
+ struct v3d_key *ckey = malloc(ckey_size);
+ memcpy(ckey, key, ckey_size);
+ ckey->shader_state = NULL;
+
+ blob_write_bytes(&blob, ckey, ckey_size);
+
+ nir_serialize(&blob, nir, true);
+
+ disk_cache_compute_key(cache, blob.data, blob.size, cache_key);
+
+ blob_finish(&blob);
+ free(ckey);
+}
+
+struct v3d_compiled_shader *
+v3d_disk_cache_retrieve(struct v3d_context *v3d,
+ const struct v3d_key *key)
+{
+ struct v3d_screen *screen = v3d->screen;
+ struct disk_cache *cache = screen->disk_cache;
+
+ if (!cache)
+ return NULL;
+
+ struct v3d_uncompiled_shader *uncompiled = key->shader_state;
+ assert(uncompiled->base.type == PIPE_SHADER_IR_NIR);
+ nir_shader *nir = uncompiled->base.ir.nir;
+
+ cache_key cache_key;
+ v3d_disk_cache_compute_key(cache, key, cache_key);
+
+ size_t buffer_size;
+ void *buffer = disk_cache_get(cache, cache_key, &buffer_size);
+
+ if (!buffer)
+ return NULL;
+
+ /* Load data */
+ struct blob_reader blob;
+ blob_reader_init(&blob, buffer, buffer_size);
+
+ uint32_t prog_data_size = v3d_prog_data_size(nir->info.stage);
+ const void *prog_data = blob_read_bytes(&blob, prog_data_size);
+ if (blob.overrun)
+ return NULL;
+
+ uint32_t ulist_count = blob_read_uint32(&blob);
+ uint32_t ulist_contents_size = ulist_count * sizeof(enum quniform_contents);
+ const void *ulist_contents = blob_read_bytes(&blob, ulist_contents_size);
+ if (blob.overrun)
+ return NULL;
+
+ uint32_t ulist_data_size = ulist_count * sizeof(uint32_t);
+ const void *ulist_data = blob_read_bytes(&blob, ulist_data_size);
+ if (blob.overrun)
+ return NULL;
+
+ uint32_t qpu_size = blob_read_uint32(&blob);
+ const void *qpu_insts =
+ blob_read_bytes(&blob, qpu_size);
+ if (blob.overrun)
+ return NULL;
+
+ /* Assemble data */
+ struct v3d_compiled_shader *shader = rzalloc(NULL, struct v3d_compiled_shader);
+
+ shader->prog_data.base = rzalloc_size(shader, prog_data_size);
+ memcpy(shader->prog_data.base, prog_data, prog_data_size);
+
+ shader->prog_data.base->uniforms.count = ulist_count;
+
+ shader->prog_data.base->uniforms.contents =
+ ralloc_array(shader->prog_data.base, enum quniform_contents, ulist_count);
+ memcpy(shader->prog_data.base->uniforms.contents, ulist_contents, ulist_contents_size);
+
+ shader->prog_data.base->uniforms.data =
+ ralloc_array(shader->prog_data.base, uint32_t, ulist_count);
+ memcpy(shader->prog_data.base->uniforms.data, ulist_data, ulist_data_size);
+
+ u_upload_data(v3d->state_uploader, 0, qpu_size, 8,
+ qpu_insts, &shader->offset, &shader->resource);
+
+ free(buffer);
+
+ return shader;
+}
+
+void
+v3d_disk_cache_store(struct v3d_context *v3d,
+ const struct v3d_key *key,
+ const struct v3d_compiled_shader *shader,
+ uint64_t *qpu_insts,
+ uint32_t qpu_size)
+{
+ struct v3d_screen *screen = v3d->screen;
+ struct disk_cache *cache = screen->disk_cache;
+
+ if (!cache)
+ return;
+
+ struct v3d_uncompiled_shader *uncompiled = key->shader_state;
+ assert(uncompiled->base.type == PIPE_SHADER_IR_NIR);
+ nir_shader *nir = uncompiled->base.ir.nir;
+
+ cache_key cache_key;
+ v3d_disk_cache_compute_key(cache, key, cache_key);
+
+ struct blob blob;
+ blob_init(&blob);
+
+ blob_write_bytes(&blob, shader->prog_data.base, v3d_prog_data_size(nir->info.stage));
+ uint32_t ulist_count = shader->prog_data.base->uniforms.count;
+ blob_write_uint32(&blob, ulist_count);
+ blob_write_bytes(&blob,
+ shader->prog_data.base->uniforms.contents,
+ ulist_count * sizeof(enum quniform_contents));
+ blob_write_bytes(&blob,
+ shader->prog_data.base->uniforms.data,
+ ulist_count * sizeof(uint32_t));
+
+ blob_write_uint32(&blob, qpu_size);
+ blob_write_bytes(&blob, qpu_insts, qpu_size);
+
+ disk_cache_put(cache, cache_key, blob.data, blob.size, NULL);
+}
+
+#endif /* ENABLE_SHADER_CACHE */
+
if (entry)
return entry->data;
- struct v3d_compiled_shader *shader =
- rzalloc(NULL, struct v3d_compiled_shader);
-
- int program_id = shader_state->program_id;
int variant_id =
p_atomic_inc_return(&shader_state->compiled_variant_count);
- uint64_t *qpu_insts;
- uint32_t shader_size;
- qpu_insts = v3d_compile(v3d->screen->compiler, key,
- &shader->prog_data.base, s,
- v3d_shader_debug_output,
- v3d,
- program_id, variant_id, &shader_size);
- ralloc_steal(shader, shader->prog_data.base);
+ struct v3d_compiled_shader *shader = NULL;
- v3d_set_shader_uniform_dirty_flags(shader);
+#ifdef ENABLE_SHADER_CACHE
+ shader = v3d_disk_cache_retrieve(v3d, key);
+#endif
+
+ if (!shader) {
+ shader = rzalloc(NULL, struct v3d_compiled_shader);
+
+ int program_id = shader_state->program_id;
+ uint64_t *qpu_insts;
+ uint32_t shader_size;
+
+ qpu_insts = v3d_compile(v3d->screen->compiler, key,
+ &shader->prog_data.base, s,
+ v3d_shader_debug_output,
+ v3d,
+ program_id, variant_id, &shader_size);
+ ralloc_steal(shader, shader->prog_data.base);
- if (shader_size) {
- u_upload_data(v3d->state_uploader, 0, shader_size, 8,
- qpu_insts, &shader->offset, &shader->resource);
+ if (shader_size) {
+ u_upload_data(v3d->state_uploader, 0, shader_size, 8,
+ qpu_insts, &shader->offset, &shader->resource);
+ }
+
+#ifdef ENABLE_SHADER_CACHE
+ v3d_disk_cache_store(v3d, key, shader, qpu_insts, shader_size);
+#endif
+
+ free(qpu_insts);
}
- free(qpu_insts);
+ v3d_set_shader_uniform_dirty_flags(shader);
if (ht) {
struct v3d_key *dup_key;