From: Marek Olšák Date: Sun, 5 Mar 2017 00:14:51 +0000 (+0100) Subject: radeonsi: compile all TGSI compute shaders asynchronously X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=03127bb6d5454002b3d9c3a542f3ff1a5f1e91d9;p=mesa.git radeonsi: compile all TGSI compute shaders asynchronously required by threaded gallium Reviewed-by: Timothy Arceri --- diff --git a/src/gallium/drivers/radeonsi/si_compute.c b/src/gallium/drivers/radeonsi/si_compute.c index 5097c81780e..ed02f4930f8 100644 --- a/src/gallium/drivers/radeonsi/si_compute.c +++ b/src/gallium/drivers/radeonsi/si_compute.c @@ -34,6 +34,11 @@ #define MAX_GLOBAL_BUFFERS 22 struct si_compute { + struct si_screen *screen; + struct tgsi_token *tokens; + struct util_queue_fence ready; + struct si_compiler_ctx_state compiler_ctx_state; + unsigned ir_type; unsigned local_size; unsigned private_size; @@ -88,6 +93,60 @@ static void code_object_to_config(const amd_kernel_code_t *code_object, align(code_object->workitem_private_segment_byte_size * 64, 1024); } +/* Asynchronous compute shader compilation. */ +static void si_create_compute_state_async(void *job, int thread_index) +{ + struct si_compute *program = (struct si_compute *)job; + struct si_shader *shader = &program->shader; + struct si_shader_selector sel; + LLVMTargetMachineRef tm; + struct pipe_debug_callback *debug = &program->compiler_ctx_state.debug; + + if (thread_index >= 0) { + assert(thread_index < ARRAY_SIZE(program->screen->tm)); + tm = program->screen->tm[thread_index]; + if (!debug->async) + debug = NULL; + } else { + tm = program->compiler_ctx_state.tm; + } + + memset(&sel, 0, sizeof(sel)); + + tgsi_scan_shader(program->tokens, &sel.info); + sel.tokens = program->tokens; + sel.type = PIPE_SHADER_COMPUTE; + sel.local_size = program->local_size; + + program->shader.selector = &sel; + program->shader.is_monolithic = true; + + if (si_shader_create(program->screen, tm, &program->shader, debug)) { + program->shader.compilation_failed = true; + } else { + bool scratch_enabled = shader->config.scratch_bytes_per_wave > 0; + + shader->config.rsrc1 = + S_00B848_VGPRS((shader->config.num_vgprs - 1) / 4) | + S_00B848_SGPRS((shader->config.num_sgprs - 1) / 8) | + S_00B848_DX10_CLAMP(1) | + S_00B848_FLOAT_MODE(shader->config.float_mode); + + shader->config.rsrc2 = + S_00B84C_USER_SGPR(SI_CS_NUM_USER_SGPR) | + S_00B84C_SCRATCH_EN(scratch_enabled) | + S_00B84C_TGID_X_EN(1) | S_00B84C_TGID_Y_EN(1) | + S_00B84C_TGID_Z_EN(1) | S_00B84C_TIDIG_COMP_CNT(2) | + S_00B84C_LDS_SIZE(shader->config.lds_size); + + program->variable_group_size = + sel.info.properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] == 0; + } + + FREE(program->tokens); + program->shader.selector = NULL; +} + static void *si_create_compute_state( struct pipe_context *ctx, const struct pipe_compute_state *cso) @@ -95,9 +154,8 @@ static void *si_create_compute_state( struct si_context *sctx = (struct si_context *)ctx; struct si_screen *sscreen = (struct si_screen *)ctx->screen; struct si_compute *program = CALLOC_STRUCT(si_compute); - struct si_shader *shader = &program->shader; - + program->screen = (struct si_screen *)ctx->screen; program->ir_type = cso->ir_type; program->local_size = cso->req_local_mem; program->private_size = cso->req_private_mem; @@ -105,54 +163,27 @@ static void *si_create_compute_state( program->use_code_object_v2 = HAVE_LLVM >= 0x0400 && cso->ir_type == PIPE_SHADER_IR_NATIVE; - if (cso->ir_type == PIPE_SHADER_IR_TGSI) { - struct si_shader_selector sel; - bool scratch_enabled; - - memset(&sel, 0, sizeof(sel)); - - sel.tokens = tgsi_dup_tokens(cso->prog); - if (!sel.tokens) { + program->tokens = tgsi_dup_tokens(cso->prog); + if (!program->tokens) { FREE(program); return NULL; } - tgsi_scan_shader(cso->prog, &sel.info); - sel.type = PIPE_SHADER_COMPUTE; - sel.local_size = cso->req_local_mem; - + program->compiler_ctx_state.tm = sctx->tm; + program->compiler_ctx_state.debug = sctx->b.debug; + program->compiler_ctx_state.is_debug_context = sctx->is_debug; p_atomic_inc(&sscreen->b.num_shaders_created); - - program->shader.selector = &sel; - program->shader.is_monolithic = true; - - if (si_shader_create(sscreen, sctx->tm, &program->shader, - &sctx->b.debug)) { - FREE(sel.tokens); - FREE(program); - return NULL; - } - - scratch_enabled = shader->config.scratch_bytes_per_wave > 0; - - shader->config.rsrc1 = - S_00B848_VGPRS((shader->config.num_vgprs - 1) / 4) | - S_00B848_SGPRS((shader->config.num_sgprs - 1) / 8) | - S_00B848_DX10_CLAMP(1) | - S_00B848_FLOAT_MODE(shader->config.float_mode); - - shader->config.rsrc2 = S_00B84C_USER_SGPR(SI_CS_NUM_USER_SGPR) | - S_00B84C_SCRATCH_EN(scratch_enabled) | - S_00B84C_TGID_X_EN(1) | S_00B84C_TGID_Y_EN(1) | - S_00B84C_TGID_Z_EN(1) | S_00B84C_TIDIG_COMP_CNT(2) | - S_00B84C_LDS_SIZE(shader->config.lds_size); - - program->variable_group_size = - sel.info.properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] == 0; - - FREE(sel.tokens); - program->shader.selector = NULL; + util_queue_fence_init(&program->ready); + + if ((sctx->b.debug.debug_message && !sctx->b.debug.async) || + sctx->is_debug || + r600_can_dump_shader(&sscreen->b, PIPE_SHADER_COMPUTE)) + si_create_compute_state_async(program, -1); + else + util_queue_add_job(&sscreen->shader_compiler_queue, + program, &program->ready, + si_create_compute_state_async, NULL); } else { const struct pipe_llvm_program_header *header; const char *code; @@ -715,6 +746,7 @@ static void si_launch_grid( sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH | SI_CONTEXT_CS_PARTIAL_FLUSH; + util_queue_fence_wait(&program->ready); si_decompress_compute_textures(sctx); /* Add buffer sizes for memory checking in need_cs_space. */ @@ -794,6 +826,11 @@ static void si_delete_compute_state(struct pipe_context *ctx, void* state){ return; } + if (program->ir_type == PIPE_SHADER_IR_TGSI) { + util_queue_fence_wait(&program->ready); + util_queue_fence_destroy(&program->ready); + } + if (program == sctx->cs_shader_state.program) sctx->cs_shader_state.program = NULL;