diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965')
| -rw-r--r-- | src/mesa/drivers/dri/i965/Makefile.sources | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_disk_cache.c | 290 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_state.h | 5 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/meson.build | 1 |
4 files changed, 297 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources index 053d89b81ec..2980cdb3c54 100644 --- a/src/mesa/drivers/dri/i965/Makefile.sources +++ b/src/mesa/drivers/dri/i965/Makefile.sources @@ -14,6 +14,7 @@ i965_FILES = \ brw_cs.h \ brw_curbe.c \ brw_defines.h \ + brw_disk_cache.c \ brw_draw.c \ brw_draw.h \ brw_draw_upload.c \ diff --git a/src/mesa/drivers/dri/i965/brw_disk_cache.c b/src/mesa/drivers/dri/i965/brw_disk_cache.c new file mode 100644 index 00000000000..54da1abab63 --- /dev/null +++ b/src/mesa/drivers/dri/i965/brw_disk_cache.c @@ -0,0 +1,290 @@ +/* + * Copyright © 2014 Intel Corporation + * + * 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. + */ + +#include "compiler/blob.h" +#include "compiler/glsl/ir_uniform.h" +#include "compiler/glsl/shader_cache.h" +#include "main/mtypes.h" +#include "util/disk_cache.h" +#include "util/macros.h" +#include "util/mesa-sha1.h" + +#include "brw_context.h" +#include "brw_state.h" +#include "brw_vs.h" +#include "brw_wm.h" + +static void +gen_shader_sha1(struct brw_context *brw, struct gl_program *prog, + gl_shader_stage stage, void *key, unsigned char *out_sha1) +{ + char sha1_buf[41]; + unsigned char sha1[20]; + char manifest[256]; + int offset = 0; + + _mesa_sha1_format(sha1_buf, prog->sh.data->sha1); + offset += snprintf(manifest, sizeof(manifest), "program: %s\n", sha1_buf); + + _mesa_sha1_compute(key, brw_prog_key_size(stage), sha1); + _mesa_sha1_format(sha1_buf, sha1); + offset += snprintf(manifest + offset, sizeof(manifest) - offset, + "%s_key: %s\n", _mesa_shader_stage_to_abbrev(stage), + sha1_buf); + + _mesa_sha1_compute(manifest, strlen(manifest), out_sha1); +} + +static void +write_blob_program_data(struct blob *binary, gl_shader_stage stage, + const void *program, + struct brw_stage_prog_data *prog_data) +{ + /* Write prog_data to blob. */ + blob_write_bytes(binary, prog_data, brw_prog_data_size(stage)); + + /* Write program to blob. */ + blob_write_bytes(binary, program, prog_data->program_size); + + /* Write push params */ + blob_write_bytes(binary, prog_data->param, + sizeof(uint32_t) * prog_data->nr_params); + + /* Write pull params */ + blob_write_bytes(binary, prog_data->pull_param, + sizeof(uint32_t) * prog_data->nr_pull_params); +} + +static bool +read_blob_program_data(struct blob_reader *binary, struct gl_program *prog, + gl_shader_stage stage, const uint8_t **program, + struct brw_stage_prog_data *prog_data) +{ + /* Read shader prog_data from blob. */ + blob_copy_bytes(binary, prog_data, brw_prog_data_size(stage)); + if (binary->overrun) + return false; + + /* Read shader program from blob. */ + *program = blob_read_bytes(binary, prog_data->program_size); + + /* Read push params */ + prog_data->param = rzalloc_array(NULL, uint32_t, prog_data->nr_params); + blob_copy_bytes(binary, prog_data->param, + sizeof(uint32_t) * prog_data->nr_params); + + /* Read pull params */ + prog_data->pull_param = rzalloc_array(NULL, uint32_t, + prog_data->nr_pull_params); + blob_copy_bytes(binary, prog_data->pull_param, + sizeof(uint32_t) * prog_data->nr_pull_params); + + return (binary->current == binary->end && !binary->overrun); +} + +static bool +read_and_upload(struct brw_context *brw, struct disk_cache *cache, + struct gl_program *prog, gl_shader_stage stage) +{ + unsigned char binary_sha1[20]; + + union brw_any_prog_key prog_key; + + switch (stage) { + case MESA_SHADER_VERTEX: + brw_vs_populate_key(brw, &prog_key.vs); + /* We don't care what instance of the program it is for the disk cache + * hash lookup, so set the id to 0 for the sha1 hashing. + * program_string_id will be set below. + */ + prog_key.vs.program_string_id = 0; + break; + case MESA_SHADER_FRAGMENT: + brw_wm_populate_key(brw, &prog_key.wm); + prog_key.wm.program_string_id = 0; + break; + default: + unreachable("Unsupported stage!"); + } + + gen_shader_sha1(brw, prog, stage, &prog_key, binary_sha1); + + size_t buffer_size; + uint8_t *buffer = disk_cache_get(cache, binary_sha1, &buffer_size); + if (buffer == NULL) { + if (brw->ctx._Shader->Flags & GLSL_CACHE_INFO) { + char sha1_buf[41]; + _mesa_sha1_format(sha1_buf, binary_sha1); + fprintf(stderr, "No cached %s binary found for: %s\n", + _mesa_shader_stage_to_abbrev(stage), sha1_buf); + } + return false; + } + + if (brw->ctx._Shader->Flags & GLSL_CACHE_INFO) { + char sha1_buf[41]; + _mesa_sha1_format(sha1_buf, binary_sha1); + fprintf(stderr, "attempting to populate bo cache with binary: %s\n", + sha1_buf); + } + + struct blob_reader binary; + blob_reader_init(&binary, buffer, buffer_size); + + const uint8_t *program; + struct brw_stage_prog_data *prog_data = + ralloc_size(NULL, sizeof(union brw_any_prog_data)); + if (!read_blob_program_data(&binary, prog, stage, &program, prog_data)) { + /* Something very bad has gone wrong discard the item from the cache and + * rebuild from source. + */ + if (brw->ctx._Shader->Flags & GLSL_CACHE_INFO) { + fprintf(stderr, "Error reading program from cache (invalid i965 " + "cache item)\n"); + } + + disk_cache_remove(cache, binary_sha1); + free(buffer); + return false; + } + + enum brw_cache_id cache_id; + struct brw_stage_state *stage_state; + + switch (stage) { + case MESA_SHADER_VERTEX: + prog_key.vs.program_string_id = brw_program(prog)->id; + cache_id = BRW_CACHE_VS_PROG; + stage_state = &brw->vs.base; + break; + case MESA_SHADER_FRAGMENT: + prog_key.wm.program_string_id = brw_program(prog)->id; + cache_id = BRW_CACHE_FS_PROG; + stage_state = &brw->wm.base; + break; + default: + unreachable("Unsupported stage!"); + } + + brw_alloc_stage_scratch(brw, stage_state, prog_data->total_scratch); + + brw_upload_cache(&brw->cache, cache_id, &prog_key, brw_prog_key_size(stage), + program, prog_data->program_size, prog_data, + brw_prog_data_size(stage), &stage_state->prog_offset, + &stage_state->prog_data); + + prog->program_written_to_cache = true; + + free(buffer); + + return true; +} + +bool +brw_disk_cache_upload_program(struct brw_context *brw, gl_shader_stage stage) +{ + struct disk_cache *cache = brw->ctx.Cache; + if (cache == NULL) + return false; + + struct gl_program *prog = brw->ctx._Shader->CurrentProgram[stage]; + if (prog == NULL) + return false; + + if (prog->sh.data->LinkStatus != linking_skipped) + goto fail; + + if (!read_and_upload(brw, cache, prog, stage)) + goto fail; + + if (brw->ctx._Shader->Flags & GLSL_CACHE_INFO) { + fprintf(stderr, "read gen program from cache\n"); + } + + return true; + +fail: + /*FIXME: Fall back and compile from source here. */ + return false; +} + +static void +write_program_data(struct brw_context *brw, struct gl_program *prog, + void *key, struct brw_stage_prog_data *prog_data, + uint32_t prog_offset, struct disk_cache *cache, + gl_shader_stage stage) +{ + struct blob binary; + blob_init(&binary); + + const void *program_map = brw->cache.map + prog_offset; + /* TODO: Improve perf for non-LLC. It would be best to save it at program + * generation time when the program is in normal memory accessible with + * cache to the CPU. Another easier change would be to use + * _mesa_streaming_load_memcpy to read from the program mapped memory. */ + write_blob_program_data(&binary, stage, program_map, prog_data); + + unsigned char sha1[20]; + char buf[41]; + gen_shader_sha1(brw, prog, stage, key, sha1); + _mesa_sha1_format(buf, sha1); + if (brw->ctx._Shader->Flags & GLSL_CACHE_INFO) { + fprintf(stderr, "putting binary in cache: %s\n", buf); + } + + disk_cache_put(cache, sha1, binary.data, binary.size, NULL); + + prog->program_written_to_cache = true; + blob_finish(&binary); +} + +void +brw_disk_cache_write_program(struct brw_context *brw) +{ + struct disk_cache *cache = brw->ctx.Cache; + if (cache == NULL) + return; + + struct gl_program *prog = + brw->ctx._Shader->CurrentProgram[MESA_SHADER_VERTEX]; + if (prog && !prog->program_written_to_cache) { + struct brw_vs_prog_key vs_key; + brw_vs_populate_key(brw, &vs_key); + vs_key.program_string_id = 0; + + write_program_data(brw, prog, &vs_key, brw->vs.base.prog_data, + brw->vs.base.prog_offset, cache, + MESA_SHADER_VERTEX); + } + + prog = brw->ctx._Shader->CurrentProgram[MESA_SHADER_FRAGMENT]; + if (prog && !prog->program_written_to_cache) { + struct brw_wm_prog_key wm_key; + brw_wm_populate_key(brw, &wm_key); + wm_key.program_string_id = 0; + + write_program_data(brw, prog, &wm_key, brw->wm.base.prog_data, + brw->wm.base.prog_offset, cache, + MESA_SHADER_FRAGMENT); + } +} diff --git a/src/mesa/drivers/dri/i965/brw_state.h b/src/mesa/drivers/dri/i965/brw_state.h index 8db354cf232..6f2e0501b4b 100644 --- a/src/mesa/drivers/dri/i965/brw_state.h +++ b/src/mesa/drivers/dri/i965/brw_state.h @@ -131,6 +131,11 @@ void brw_upload_state_base_address(struct brw_context *brw); void gen8_write_pma_stall_bits(struct brw_context *brw, uint32_t pma_stall_bits); +/* brw_disk_cache.c */ +bool brw_disk_cache_upload_program(struct brw_context *brw, + gl_shader_stage stage); +void brw_disk_cache_write_program(struct brw_context *brw); + /*********************************************************************** * brw_state.c */ diff --git a/src/mesa/drivers/dri/i965/meson.build b/src/mesa/drivers/dri/i965/meson.build index 144a254bd64..09e1179adc4 100644 --- a/src/mesa/drivers/dri/i965/meson.build +++ b/src/mesa/drivers/dri/i965/meson.build @@ -34,6 +34,7 @@ files_i965 = files( 'brw_cs.h', 'brw_curbe.c', 'brw_defines.h', + 'brw_disk_cache.c', 'brw_draw.c', 'brw_draw.h', 'brw_draw_upload.c', |