/* * Copyright 2010 Jerome Glisse * Copyright 2018 Advanced Micro Devices, Inc. * All Rights Reserved. * * 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 * on the rights to use, copy, modify, merge, publish, distribute, sub * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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 "si_pipe.h" #include "si_public.h" #include "si_shader_internal.h" #include "sid.h" #include "ac_llvm_util.h" #include "radeon/radeon_uvd.h" #include "gallivm/lp_bld_misc.h" #include "util/disk_cache.h" #include "util/u_log.h" #include "util/u_memory.h" #include "util/u_suballoc.h" #include "util/u_tests.h" #include "util/u_upload_mgr.h" #include "util/xmlconfig.h" #include "vl/vl_decoder.h" #include "driver_ddebug/dd_util.h" #include #include #if HAVE_LLVM >= 0x0700 #include #endif static const struct debug_named_value debug_options[] = { /* Shader logging options: */ { "vs", DBG(VS), "Print vertex shaders" }, { "ps", DBG(PS), "Print pixel shaders" }, { "gs", DBG(GS), "Print geometry shaders" }, { "tcs", DBG(TCS), "Print tessellation control shaders" }, { "tes", DBG(TES), "Print tessellation evaluation shaders" }, { "cs", DBG(CS), "Print compute shaders" }, { "noir", DBG(NO_IR), "Don't print the LLVM IR"}, { "notgsi", DBG(NO_TGSI), "Don't print the TGSI"}, { "noasm", DBG(NO_ASM), "Don't print disassembled shaders"}, { "preoptir", DBG(PREOPT_IR), "Print the LLVM IR before initial optimizations" }, /* Shader compiler options the shader cache should be aware of: */ { "unsafemath", DBG(UNSAFE_MATH), "Enable unsafe math shader optimizations" }, { "sisched", DBG(SI_SCHED), "Enable LLVM SI Machine Instruction Scheduler." }, /* Shader compiler options (with no effect on the shader cache): */ { "checkir", DBG(CHECK_IR), "Enable additional sanity checks on shader IR" }, { "nir", DBG(NIR), "Enable experimental NIR shaders" }, { "mono", DBG(MONOLITHIC_SHADERS), "Use old-style monolithic shaders compiled on demand" }, { "nooptvariant", DBG(NO_OPT_VARIANT), "Disable compiling optimized shader variants." }, /* Information logging options: */ { "info", DBG(INFO), "Print driver information" }, { "tex", DBG(TEX), "Print texture info" }, { "compute", DBG(COMPUTE), "Print compute info" }, { "vm", DBG(VM), "Print virtual addresses when creating resources" }, /* Driver options: */ { "forcedma", DBG(FORCE_DMA), "Use asynchronous DMA for all operations when possible." }, { "nodma", DBG(NO_ASYNC_DMA), "Disable asynchronous DMA" }, { "nowc", DBG(NO_WC), "Disable GTT write combining" }, { "check_vm", DBG(CHECK_VM), "Check VM faults and dump debug info." }, { "reserve_vmid", DBG(RESERVE_VMID), "Force VMID reservation per context." }, { "zerovram", DBG(ZERO_VRAM), "Clear VRAM allocations." }, /* 3D engine options: */ { "switch_on_eop", DBG(SWITCH_ON_EOP), "Program WD/IA to switch on end-of-packet." }, { "nooutoforder", DBG(NO_OUT_OF_ORDER), "Disable out-of-order rasterization" }, { "nodpbb", DBG(NO_DPBB), "Disable DPBB." }, { "nodfsm", DBG(NO_DFSM), "Disable DFSM." }, { "dpbb", DBG(DPBB), "Enable DPBB." }, { "dfsm", DBG(DFSM), "Enable DFSM." }, { "nohyperz", DBG(NO_HYPERZ), "Disable Hyper-Z" }, { "norbplus", DBG(NO_RB_PLUS), "Disable RB+." }, { "no2d", DBG(NO_2D_TILING), "Disable 2D tiling" }, { "notiling", DBG(NO_TILING), "Disable tiling" }, { "nodcc", DBG(NO_DCC), "Disable DCC." }, { "nodccclear", DBG(NO_DCC_CLEAR), "Disable DCC fast clear." }, { "nodccfb", DBG(NO_DCC_FB), "Disable separate DCC on the main framebuffer" }, { "nodccmsaa", DBG(NO_DCC_MSAA), "Disable DCC for MSAA" }, { "nofmask", DBG(NO_FMASK), "Disable MSAA compression" }, /* Tests: */ { "testdma", DBG(TEST_DMA), "Invoke SDMA tests and exit." }, { "testvmfaultcp", DBG(TEST_VMFAULT_CP), "Invoke a CP VM fault test and exit." }, { "testvmfaultsdma", DBG(TEST_VMFAULT_SDMA), "Invoke a SDMA VM fault test and exit." }, { "testvmfaultshader", DBG(TEST_VMFAULT_SHADER), "Invoke a shader VM fault test and exit." }, DEBUG_NAMED_VALUE_END /* must be last */ }; static void si_init_compiler(struct si_screen *sscreen, struct si_compiler *compiler) { enum ac_target_machine_options tm_options = (sscreen->debug_flags & DBG(SI_SCHED) ? AC_TM_SISCHED : 0) | (sscreen->info.chip_class >= GFX9 ? AC_TM_FORCE_ENABLE_XNACK : 0) | (sscreen->info.chip_class < GFX9 ? AC_TM_FORCE_DISABLE_XNACK : 0) | (!sscreen->llvm_has_working_vgpr_indexing ? AC_TM_PROMOTE_ALLOCA_TO_SCRATCH : 0); compiler->tm = ac_create_target_machine(sscreen->info.family, tm_options, &compiler->triple); if (!compiler->tm) return; compiler->target_library_info = gallivm_create_target_library_info(compiler->triple); if (!compiler->target_library_info) return; compiler->passmgr = LLVMCreatePassManager(); if (!compiler->passmgr) return; LLVMAddTargetLibraryInfo(compiler->target_library_info, compiler->passmgr); /* Add LLVM passes into the pass manager. */ if (sscreen->debug_flags & DBG(CHECK_IR)) LLVMAddVerifierPass(compiler->passmgr); LLVMAddAlwaysInlinerPass(compiler->passmgr); /* This pass should eliminate all the load and store instructions. */ LLVMAddPromoteMemoryToRegisterPass(compiler->passmgr); LLVMAddScalarReplAggregatesPass(compiler->passmgr); LLVMAddLICMPass(compiler->passmgr); LLVMAddAggressiveDCEPass(compiler->passmgr); LLVMAddCFGSimplificationPass(compiler->passmgr); /* This is recommended by the instruction combining pass. */ LLVMAddEarlyCSEMemSSAPass(compiler->passmgr); LLVMAddInstructionCombiningPass(compiler->passmgr); /* Get the data layout. */ LLVMTargetDataRef data_layout = LLVMCreateTargetDataLayout(compiler->tm); if (!data_layout) return; compiler->data_layout = LLVMCopyStringRepOfTargetData(data_layout); LLVMDisposeTargetData(data_layout); } static void si_destroy_compiler(struct si_compiler *compiler) { if (compiler->data_layout) LLVMDisposeMessage((char*)compiler->data_layout); if (compiler->passmgr) LLVMDisposePassManager(compiler->passmgr); #if HAVE_LLVM >= 0x0700 /* This crashes on LLVM 5.0 and 6.0 and Ubuntu 18.04, so leak it there. */ if (compiler->target_library_info) gallivm_dispose_target_library_info(compiler->target_library_info); #endif if (compiler->tm) LLVMDisposeTargetMachine(compiler->tm); } /* * pipe_context */ static void si_destroy_context(struct pipe_context *context) { struct si_context *sctx = (struct si_context *)context; int i; /* Unreference the framebuffer normally to disable related logic * properly. */ struct pipe_framebuffer_state fb = {}; if (context->set_framebuffer_state) context->set_framebuffer_state(context, &fb); si_release_all_descriptors(sctx); pipe_resource_reference(&sctx->esgs_ring, NULL); pipe_resource_reference(&sctx->gsvs_ring, NULL); pipe_resource_reference(&sctx->tess_rings, NULL); pipe_resource_reference(&sctx->null_const_buf.buffer, NULL); r600_resource_reference(&sctx->border_color_buffer, NULL); free(sctx->border_color_table); r600_resource_reference(&sctx->scratch_buffer, NULL); r600_resource_reference(&sctx->compute_scratch_buffer, NULL); r600_resource_reference(&sctx->wait_mem_scratch, NULL); si_pm4_free_state(sctx, sctx->init_config, ~0); if (sctx->init_config_gs_rings) si_pm4_free_state(sctx, sctx->init_config_gs_rings, ~0); for (i = 0; i < ARRAY_SIZE(sctx->vgt_shader_config); i++) si_pm4_delete_state(sctx, vgt_shader_config, sctx->vgt_shader_config[i]); if (sctx->fixed_func_tcs_shader.cso) sctx->b.delete_tcs_state(&sctx->b, sctx->fixed_func_tcs_shader.cso); if (sctx->custom_dsa_flush) sctx->b.delete_depth_stencil_alpha_state(&sctx->b, sctx->custom_dsa_flush); if (sctx->custom_blend_resolve) sctx->b.delete_blend_state(&sctx->b, sctx->custom_blend_resolve); if (sctx->custom_blend_fmask_decompress) sctx->b.delete_blend_state(&sctx->b, sctx->custom_blend_fmask_decompress); if (sctx->custom_blend_eliminate_fastclear) sctx->b.delete_blend_state(&sctx->b, sctx->custom_blend_eliminate_fastclear); if (sctx->custom_blend_dcc_decompress) sctx->b.delete_blend_state(&sctx->b, sctx->custom_blend_dcc_decompress); if (sctx->vs_blit_pos) sctx->b.delete_vs_state(&sctx->b, sctx->vs_blit_pos); if (sctx->vs_blit_pos_layered) sctx->b.delete_vs_state(&sctx->b, sctx->vs_blit_pos_layered); if (sctx->vs_blit_color) sctx->b.delete_vs_state(&sctx->b, sctx->vs_blit_color); if (sctx->vs_blit_color_layered) sctx->b.delete_vs_state(&sctx->b, sctx->vs_blit_color_layered); if (sctx->vs_blit_texcoord) sctx->b.delete_vs_state(&sctx->b, sctx->vs_blit_texcoord); if (sctx->blitter) util_blitter_destroy(sctx->blitter); /* Release DCC stats. */ for (int i = 0; i < ARRAY_SIZE(sctx->dcc_stats); i++) { assert(!sctx->dcc_stats[i].query_active); for (int j = 0; j < ARRAY_SIZE(sctx->dcc_stats[i].ps_stats); j++) if (sctx->dcc_stats[i].ps_stats[j]) sctx->b.destroy_query(&sctx->b, sctx->dcc_stats[i].ps_stats[j]); si_texture_reference(&sctx->dcc_stats[i].tex, NULL); } if (sctx->query_result_shader) sctx->b.delete_compute_state(&sctx->b, sctx->query_result_shader); if (sctx->gfx_cs) sctx->ws->cs_destroy(sctx->gfx_cs); if (sctx->dma_cs) sctx->ws->cs_destroy(sctx->dma_cs); if (sctx->ctx) sctx->ws->ctx_destroy(sctx->ctx); if (sctx->b.stream_uploader) u_upload_destroy(sctx->b.stream_uploader); if (sctx->b.const_uploader) u_upload_destroy(sctx->b.const_uploader); if (sctx->cached_gtt_allocator) u_upload_destroy(sctx->cached_gtt_allocator); slab_destroy_child(&sctx->pool_transfers); slab_destroy_child(&sctx->pool_transfers_unsync); if (sctx->allocator_zeroed_memory) u_suballocator_destroy(sctx->allocator_zeroed_memory); sctx->ws->fence_reference(&sctx->last_gfx_fence, NULL); sctx->ws->fence_reference(&sctx->last_sdma_fence, NULL); r600_resource_reference(&sctx->eop_bug_scratch, NULL); si_destroy_compiler(&sctx->compiler); si_saved_cs_reference(&sctx->current_saved_cs, NULL); _mesa_hash_table_destroy(sctx->tex_handles, NULL); _mesa_hash_table_destroy(sctx->img_handles, NULL); util_dynarray_fini(&sctx->resident_tex_handles); util_dynarray_fini(&sctx->resident_img_handles); util_dynarray_fini(&sctx->resident_tex_needs_color_decompress); util_dynarray_fini(&sctx->resident_img_needs_color_decompress); util_dynarray_fini(&sctx->resident_tex_needs_depth_decompress); FREE(sctx); } static enum pipe_reset_status si_get_reset_status(struct pipe_context *ctx) { struct si_context *sctx = (struct si_context *)ctx; if (sctx->screen->info.has_gpu_reset_status_query) return sctx->ws->ctx_query_reset_status(sctx->ctx); if (sctx->screen->info.has_gpu_reset_counter_query) { unsigned latest = sctx->ws->query_value(sctx->ws, RADEON_GPU_RESET_COUNTER); if (sctx->gpu_reset_counter == latest) return PIPE_NO_RESET; sctx->gpu_reset_counter = latest; return PIPE_UNKNOWN_CONTEXT_RESET; } return PIPE_NO_RESET; } static void si_set_device_reset_callback(struct pipe_context *ctx, const struct pipe_device_reset_callback *cb) { struct si_context *sctx = (struct si_context *)ctx; if (cb) sctx->device_reset_callback = *cb; else memset(&sctx->device_reset_callback, 0, sizeof(sctx->device_reset_callback)); } bool si_check_device_reset(struct si_context *sctx) { enum pipe_reset_status status; if (!sctx->device_reset_callback.reset) return false; if (!sctx->b.get_device_reset_status) return false; status = sctx->b.get_device_reset_status(&sctx->b); if (status == PIPE_NO_RESET) return false; sctx->device_reset_callback.reset(sctx->device_reset_callback.data, status); return true; } /* Apitrace profiling: * 1) qapitrace : Tools -> Profile: Measure CPU & GPU times * 2) In the middle panel, zoom in (mouse wheel) on some bad draw call * and remember its number. * 3) In Mesa, enable queries and performance counters around that draw * call and print the results. * 4) glretrace --benchmark --markers .. */ static void si_emit_string_marker(struct pipe_context *ctx, const char *string, int len) { struct si_context *sctx = (struct si_context *)ctx; dd_parse_apitrace_marker(string, len, &sctx->apitrace_call_number); if (sctx->log) u_log_printf(sctx->log, "\nString marker: %*s\n", len, string); } static void si_set_debug_callback(struct pipe_context *ctx, const struct pipe_debug_callback *cb) { struct si_context *sctx = (struct si_context *)ctx; struct si_screen *screen = sctx->screen; util_queue_finish(&screen->shader_compiler_queue); util_queue_finish(&screen->shader_compiler_queue_low_priority); if (cb) sctx->debug = *cb; else memset(&sctx->debug, 0, sizeof(sctx->debug)); } static void si_set_log_context(struct pipe_context *ctx, struct u_log_context *log) { struct si_context *sctx = (struct si_context *)ctx; sctx->log = log; if (log) u_log_add_auto_logger(log, si_auto_log_cs, sctx); } static struct pipe_context *si_create_context(struct pipe_screen *screen, unsigned flags) { struct si_context *sctx = CALLOC_STRUCT(si_context); struct si_screen* sscreen = (struct si_screen *)screen; struct radeon_winsys *ws = sscreen->ws; int shader, i; if (!sctx) return NULL; if (flags & PIPE_CONTEXT_DEBUG) sscreen->record_llvm_ir = true; /* racy but not critical */ sctx->b.screen = screen; /* this must be set first */ sctx->b.priv = NULL; sctx->b.destroy = si_destroy_context; sctx->b.emit_string_marker = si_emit_string_marker; sctx->b.set_debug_callback = si_set_debug_callback; sctx->b.set_log_context = si_set_log_context; sctx->screen = sscreen; /* Easy accessing of screen/winsys. */ sctx->is_debug = (flags & PIPE_CONTEXT_DEBUG) != 0; slab_create_child(&sctx->pool_transfers, &sscreen->pool_transfers); slab_create_child(&sctx->pool_transfers_unsync, &sscreen->pool_transfers); sctx->ws = sscreen->ws; sctx->family = sscreen->info.family; sctx->chip_class = sscreen->info.chip_class; if (sscreen->info.has_gpu_reset_counter_query) { sctx->gpu_reset_counter = sctx->ws->query_value(sctx->ws, RADEON_GPU_RESET_COUNTER); } sctx->b.get_device_reset_status = si_get_reset_status; sctx->b.set_device_reset_callback = si_set_device_reset_callback; si_init_context_texture_functions(sctx); si_init_query_functions(sctx); if (sctx->chip_class == CIK || sctx->chip_class == VI || sctx->chip_class == GFX9) { sctx->eop_bug_scratch = r600_resource( pipe_buffer_create(&sscreen->b, 0, PIPE_USAGE_DEFAULT, 16 * sscreen->info.num_render_backends)); if (!sctx->eop_bug_scratch) goto fail; } sctx->allocator_zeroed_memory = u_suballocator_create(&sctx->b, sscreen->info.gart_page_size, 0, PIPE_USAGE_DEFAULT, 0, true); if (!sctx->allocator_zeroed_memory) goto fail; sctx->b.stream_uploader = u_upload_create(&sctx->b, 1024 * 1024, 0, PIPE_USAGE_STREAM, SI_RESOURCE_FLAG_READ_ONLY); if (!sctx->b.stream_uploader) goto fail; sctx->b.const_uploader = u_upload_create(&sctx->b, 128 * 1024, 0, PIPE_USAGE_DEFAULT, SI_RESOURCE_FLAG_32BIT | (sscreen->cpdma_prefetch_writes_memory ? 0 : SI_RESOURCE_FLAG_READ_ONLY)); if (!sctx->b.const_uploader) goto fail; sctx->cached_gtt_allocator = u_upload_create(&sctx->b, 16 * 1024, 0, PIPE_USAGE_STAGING, 0); if (!sctx->cached_gtt_allocator) goto fail; sctx->ctx = sctx->ws->ctx_create(sctx->ws); if (!sctx->ctx) goto fail; if (sscreen->info.num_sdma_rings && !(sscreen->debug_flags & DBG(NO_ASYNC_DMA))) { sctx->dma_cs = sctx->ws->cs_create(sctx->ctx, RING_DMA, (void*)si_flush_dma_cs, sctx); } si_init_buffer_functions(sctx); si_init_clear_functions(sctx); si_init_blit_functions(sctx); si_init_compute_functions(sctx); si_init_cp_dma_functions(sctx); si_init_debug_functions(sctx); si_init_msaa_functions(sctx); si_init_streamout_functions(sctx); if (sscreen->info.has_hw_decode) { sctx->b.create_video_codec = si_uvd_create_decoder; sctx->b.create_video_buffer = si_video_buffer_create; } else { sctx->b.create_video_codec = vl_create_decoder; sctx->b.create_video_buffer = vl_video_buffer_create; } sctx->gfx_cs = ws->cs_create(sctx->ctx, RING_GFX, (void*)si_flush_gfx_cs, sctx); /* Border colors. */ sctx->border_color_table = malloc(SI_MAX_BORDER_COLORS * sizeof(*sctx->border_color_table)); if (!sctx->border_color_table) goto fail; sctx->border_color_buffer = r600_resource( pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT, SI_MAX_BORDER_COLORS * sizeof(*sctx->border_color_table))); if (!sctx->border_color_buffer) goto fail; sctx->border_color_map = ws->buffer_map(sctx->border_color_buffer->buf, NULL, PIPE_TRANSFER_WRITE); if (!sctx->border_color_map) goto fail; si_init_all_descriptors(sctx); si_init_fence_functions(sctx); si_init_state_functions(sctx); si_init_shader_functions(sctx); si_init_viewport_functions(sctx); si_init_ia_multi_vgt_param_table(sctx); if (sctx->chip_class >= CIK) cik_init_sdma_functions(sctx); else si_init_dma_functions(sctx); if (sscreen->debug_flags & DBG(FORCE_DMA)) sctx->b.resource_copy_region = sctx->dma_copy; sctx->blitter = util_blitter_create(&sctx->b); if (sctx->blitter == NULL) goto fail; sctx->blitter->draw_rectangle = si_draw_rectangle; sctx->blitter->skip_viewport_restore = true; sctx->sample_mask = 0xffff; if (sctx->chip_class >= GFX9) { sctx->wait_mem_scratch = r600_resource( pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT, 4)); if (!sctx->wait_mem_scratch) goto fail; /* Initialize the memory. */ struct radeon_cmdbuf *cs = sctx->gfx_cs; radeon_emit(cs, PKT3(PKT3_WRITE_DATA, 3, 0)); radeon_emit(cs, S_370_DST_SEL(V_370_MEMORY_SYNC) | S_370_WR_CONFIRM(1) | S_370_ENGINE_SEL(V_370_ME)); radeon_emit(cs, sctx->wait_mem_scratch->gpu_address); radeon_emit(cs, sctx->wait_mem_scratch->gpu_address >> 32); radeon_emit(cs, sctx->wait_mem_number); radeon_add_to_buffer_list(sctx, cs, sctx->wait_mem_scratch, RADEON_USAGE_WRITE, RADEON_PRIO_FENCE); } /* CIK cannot unbind a constant buffer (S_BUFFER_LOAD doesn't skip loads * if NUM_RECORDS == 0). We need to use a dummy buffer instead. */ if (sctx->chip_class == CIK) { sctx->null_const_buf.buffer = pipe_aligned_buffer_create(screen, SI_RESOURCE_FLAG_32BIT, PIPE_USAGE_DEFAULT, 16, sctx->screen->info.tcc_cache_line_size); if (!sctx->null_const_buf.buffer) goto fail; sctx->null_const_buf.buffer_size = sctx->null_const_buf.buffer->width0; for (shader = 0; shader < SI_NUM_SHADERS; shader++) { for (i = 0; i < SI_NUM_CONST_BUFFERS; i++) { sctx->b.set_constant_buffer(&sctx->b, shader, i, &sctx->null_const_buf); } } si_set_rw_buffer(sctx, SI_HS_CONST_DEFAULT_TESS_LEVELS, &sctx->null_const_buf); si_set_rw_buffer(sctx, SI_VS_CONST_INSTANCE_DIVISORS, &sctx->null_const_buf); si_set_rw_buffer(sctx, SI_VS_CONST_CLIP_PLANES, &sctx->null_const_buf); si_set_rw_buffer(sctx, SI_PS_CONST_POLY_STIPPLE, &sctx->null_const_buf); si_set_rw_buffer(sctx, SI_PS_CONST_SAMPLE_POSITIONS, &sctx->null_const_buf); /* Clear the NULL constant buffer, because loads should return zeros. */ si_clear_buffer(sctx, sctx->null_const_buf.buffer, 0, sctx->null_const_buf.buffer->width0, 0, SI_COHERENCY_SHADER); } uint64_t max_threads_per_block; screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI, PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK, &max_threads_per_block); /* The maximum number of scratch waves. Scratch space isn't divided * evenly between CUs. The number is only a function of the number of CUs. * We can decrease the constant to decrease the scratch buffer size. * * sctx->scratch_waves must be >= the maximum posible size of * 1 threadgroup, so that the hw doesn't hang from being unable * to start any. * * The recommended value is 4 per CU at most. Higher numbers don't * bring much benefit, but they still occupy chip resources (think * async compute). I've seen ~2% performance difference between 4 and 32. */ sctx->scratch_waves = MAX2(32 * sscreen->info.num_good_compute_units, max_threads_per_block / 64); si_init_compiler(sscreen, &sctx->compiler); /* Bindless handles. */ sctx->tex_handles = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal); sctx->img_handles = _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal); util_dynarray_init(&sctx->resident_tex_handles, NULL); util_dynarray_init(&sctx->resident_img_handles, NULL); util_dynarray_init(&sctx->resident_tex_needs_color_decompress, NULL); util_dynarray_init(&sctx->resident_img_needs_color_decompress, NULL); util_dynarray_init(&sctx->resident_tex_needs_depth_decompress, NULL); /* this must be last */ si_begin_new_gfx_cs(sctx); return &sctx->b; fail: fprintf(stderr, "radeonsi: Failed to create a context.\n"); si_destroy_context(&sctx->b); return NULL; } static struct pipe_context *si_pipe_create_context(struct pipe_screen *screen, void *priv, unsigned flags) { struct si_screen *sscreen = (struct si_screen *)screen; struct pipe_context *ctx; if (sscreen->debug_flags & DBG(CHECK_VM)) flags |= PIPE_CONTEXT_DEBUG; ctx = si_create_context(screen, flags); if (!(flags & PIPE_CONTEXT_PREFER_THREADED)) return ctx; /* Clover (compute-only) is unsupported. */ if (flags & PIPE_CONTEXT_COMPUTE_ONLY) return ctx; /* When shaders are logged to stderr, asynchronous compilation is * disabled too. */ if (sscreen->debug_flags & DBG_ALL_SHADERS) return ctx; /* Use asynchronous flushes only on amdgpu, since the radeon * implementation for fence_server_sync is incomplete. */ return threaded_context_create(ctx, &sscreen->pool_transfers, si_replace_buffer_storage, sscreen->info.drm_major >= 3 ? si_create_fence : NULL, &((struct si_context*)ctx)->tc); } /* * pipe_screen */ static void si_destroy_screen(struct pipe_screen* pscreen) { struct si_screen *sscreen = (struct si_screen *)pscreen; struct si_shader_part *parts[] = { sscreen->vs_prologs, sscreen->tcs_epilogs, sscreen->gs_prologs, sscreen->ps_prologs, sscreen->ps_epilogs }; unsigned i; if (!sscreen->ws->unref(sscreen->ws)) return; util_queue_destroy(&sscreen->shader_compiler_queue); util_queue_destroy(&sscreen->shader_compiler_queue_low_priority); for (i = 0; i < ARRAY_SIZE(sscreen->compiler); i++) si_destroy_compiler(&sscreen->compiler[i]); for (i = 0; i < ARRAY_SIZE(sscreen->compiler_lowp); i++) si_destroy_compiler(&sscreen->compiler_lowp[i]); /* Free shader parts. */ for (i = 0; i < ARRAY_SIZE(parts); i++) { while (parts[i]) { struct si_shader_part *part = parts[i]; parts[i] = part->next; ac_shader_binary_clean(&part->binary); FREE(part); } } mtx_destroy(&sscreen->shader_parts_mutex); si_destroy_shader_cache(sscreen); si_perfcounters_destroy(sscreen); si_gpu_load_kill_thread(sscreen); mtx_destroy(&sscreen->gpu_load_mutex); mtx_destroy(&sscreen->aux_context_lock); sscreen->aux_context->destroy(sscreen->aux_context); slab_destroy_parent(&sscreen->pool_transfers); disk_cache_destroy(sscreen->disk_shader_cache); sscreen->ws->destroy(sscreen->ws); FREE(sscreen); } static void si_init_gs_info(struct si_screen *sscreen) { sscreen->gs_table_depth = ac_get_gs_table_depth(sscreen->info.chip_class, sscreen->info.family); } static void si_handle_env_var_force_family(struct si_screen *sscreen) { const char *family = debug_get_option("SI_FORCE_FAMILY", NULL); unsigned i; if (!family) return; for (i = CHIP_TAHITI; i < CHIP_LAST; i++) { if (!strcmp(family, ac_get_llvm_processor_name(i))) { /* Override family and chip_class. */ sscreen->info.family = i; if (i >= CHIP_VEGA10) sscreen->info.chip_class = GFX9; else if (i >= CHIP_TONGA) sscreen->info.chip_class = VI; else if (i >= CHIP_BONAIRE) sscreen->info.chip_class = CIK; else sscreen->info.chip_class = SI; /* Don't submit any IBs. */ setenv("RADEON_NOOP", "1", 1); return; } } fprintf(stderr, "radeonsi: Unknown family: %s\n", family); exit(1); } static void si_test_vmfault(struct si_screen *sscreen) { struct pipe_context *ctx = sscreen->aux_context; struct si_context *sctx = (struct si_context *)ctx; struct pipe_resource *buf = pipe_buffer_create_const0(&sscreen->b, 0, PIPE_USAGE_DEFAULT, 64); if (!buf) { puts("Buffer allocation failed."); exit(1); } r600_resource(buf)->gpu_address = 0; /* cause a VM fault */ if (sscreen->debug_flags & DBG(TEST_VMFAULT_CP)) { si_copy_buffer(sctx, buf, buf, 0, 4, 4, 0); ctx->flush(ctx, NULL, 0); puts("VM fault test: CP - done."); } if (sscreen->debug_flags & DBG(TEST_VMFAULT_SDMA)) { sctx->dma_clear_buffer(sctx, buf, 0, 4, 0); ctx->flush(ctx, NULL, 0); puts("VM fault test: SDMA - done."); } if (sscreen->debug_flags & DBG(TEST_VMFAULT_SHADER)) { util_test_constant_buffer(ctx, buf); puts("VM fault test: Shader - done."); } exit(0); } static void si_disk_cache_create(struct si_screen *sscreen) { /* Don't use the cache if shader dumping is enabled. */ if (sscreen->debug_flags & DBG_ALL_SHADERS) return; uint32_t mesa_timestamp; if (disk_cache_get_function_timestamp(si_disk_cache_create, &mesa_timestamp)) { char *timestamp_str; int res = -1; uint32_t llvm_timestamp; if (disk_cache_get_function_timestamp(LLVMInitializeAMDGPUTargetInfo, &llvm_timestamp)) { res = asprintf(×tamp_str, "%u_%u", mesa_timestamp, llvm_timestamp); } if (res != -1) { /* These flags affect shader compilation. */ #define ALL_FLAGS (DBG(FS_CORRECT_DERIVS_AFTER_KILL) | \ DBG(SI_SCHED) | \ DBG(UNSAFE_MATH) | \ DBG(NIR)) uint64_t shader_debug_flags = sscreen->debug_flags & ALL_FLAGS; /* Add the high bits of 32-bit addresses, which affects * how 32-bit addresses are expanded to 64 bits. */ STATIC_ASSERT(ALL_FLAGS <= UINT_MAX); shader_debug_flags |= (uint64_t)sscreen->info.address32_hi << 32; sscreen->disk_shader_cache = disk_cache_create(si_get_family_name(sscreen), timestamp_str, shader_debug_flags); free(timestamp_str); } } } struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws, const struct pipe_screen_config *config) { struct si_screen *sscreen = CALLOC_STRUCT(si_screen); unsigned hw_threads, num_comp_hi_threads, num_comp_lo_threads, i; if (!sscreen) { return NULL; } sscreen->ws = ws; ws->query_info(ws, &sscreen->info); sscreen->debug_flags = debug_get_flags_option("R600_DEBUG", debug_options, 0); /* Set functions first. */ sscreen->b.context_create = si_pipe_create_context; sscreen->b.destroy = si_destroy_screen; si_init_screen_get_functions(sscreen); si_init_screen_buffer_functions(sscreen); si_init_screen_fence_functions(sscreen); si_init_screen_state_functions(sscreen); si_init_screen_texture_functions(sscreen); si_init_screen_query_functions(sscreen); /* Set these flags in debug_flags early, so that the shader cache takes * them into account. */ if (driQueryOptionb(config->options, "glsl_correct_derivatives_after_discard")) sscreen->debug_flags |= DBG(FS_CORRECT_DERIVS_AFTER_KILL); if (driQueryOptionb(config->options, "radeonsi_enable_sisched")) sscreen->debug_flags |= DBG(SI_SCHED); if (sscreen->debug_flags & DBG(INFO)) ac_print_gpu_info(&sscreen->info); slab_create_parent(&sscreen->pool_transfers, sizeof(struct r600_transfer), 64); sscreen->force_aniso = MIN2(16, debug_get_num_option("R600_TEX_ANISO", -1)); if (sscreen->force_aniso >= 0) { printf("radeonsi: Forcing anisotropy filter to %ix\n", /* round down to a power of two */ 1 << util_logbase2(sscreen->force_aniso)); } (void) mtx_init(&sscreen->aux_context_lock, mtx_plain); (void) mtx_init(&sscreen->gpu_load_mutex, mtx_plain); si_init_gs_info(sscreen); if (!si_init_shader_cache(sscreen)) { FREE(sscreen); return NULL; } si_disk_cache_create(sscreen); /* Determine the number of shader compiler threads. */ hw_threads = sysconf(_SC_NPROCESSORS_ONLN); if (hw_threads >= 12) { num_comp_hi_threads = hw_threads * 3 / 4; num_comp_lo_threads = hw_threads / 3; } else if (hw_threads >= 6) { num_comp_hi_threads = hw_threads - 2; num_comp_lo_threads = hw_threads / 2; } else if (hw_threads >= 2) { num_comp_hi_threads = hw_threads - 1; num_comp_lo_threads = hw_threads / 2; } else { num_comp_hi_threads = 1; num_comp_lo_threads = 1; } num_comp_hi_threads = MIN2(num_comp_hi_threads, ARRAY_SIZE(sscreen->compiler)); num_comp_lo_threads = MIN2(num_comp_lo_threads, ARRAY_SIZE(sscreen->compiler_lowp)); if (!util_queue_init(&sscreen->shader_compiler_queue, "si_shader", 64, num_comp_hi_threads, UTIL_QUEUE_INIT_RESIZE_IF_FULL)) { si_destroy_shader_cache(sscreen); FREE(sscreen); return NULL; } if (!util_queue_init(&sscreen->shader_compiler_queue_low_priority, "si_shader_low", 64, num_comp_lo_threads, UTIL_QUEUE_INIT_RESIZE_IF_FULL | UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY)) { si_destroy_shader_cache(sscreen); FREE(sscreen); return NULL; } si_handle_env_var_force_family(sscreen); if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", false)) si_init_perfcounters(sscreen); /* Determine tessellation ring info. */ bool double_offchip_buffers = sscreen->info.chip_class >= CIK && sscreen->info.family != CHIP_CARRIZO && sscreen->info.family != CHIP_STONEY; /* This must be one less than the maximum number due to a hw limitation. * Various hardware bugs in SI, CIK, and GFX9 need this. */ unsigned max_offchip_buffers_per_se; /* Only certain chips can use the maximum value. */ if (sscreen->info.family == CHIP_VEGA12) max_offchip_buffers_per_se = double_offchip_buffers ? 128 : 64; else max_offchip_buffers_per_se = double_offchip_buffers ? 127 : 63; unsigned max_offchip_buffers = max_offchip_buffers_per_se * sscreen->info.max_se; unsigned offchip_granularity; /* Hawaii has a bug with offchip buffers > 256 that can be worked * around by setting 4K granularity. */ if (sscreen->info.family == CHIP_HAWAII) { sscreen->tess_offchip_block_dw_size = 4096; offchip_granularity = V_03093C_X_4K_DWORDS; } else { sscreen->tess_offchip_block_dw_size = 8192; offchip_granularity = V_03093C_X_8K_DWORDS; } sscreen->tess_factor_ring_size = 32768 * sscreen->info.max_se; assert(((sscreen->tess_factor_ring_size / 4) & C_030938_SIZE) == 0); sscreen->tess_offchip_ring_size = max_offchip_buffers * sscreen->tess_offchip_block_dw_size * 4; if (sscreen->info.chip_class >= CIK) { if (sscreen->info.chip_class >= VI) --max_offchip_buffers; sscreen->vgt_hs_offchip_param = S_03093C_OFFCHIP_BUFFERING(max_offchip_buffers) | S_03093C_OFFCHIP_GRANULARITY(offchip_granularity); } else { assert(offchip_granularity == V_03093C_X_8K_DWORDS); sscreen->vgt_hs_offchip_param = S_0089B0_OFFCHIP_BUFFERING(max_offchip_buffers); } /* The mere presense of CLEAR_STATE in the IB causes random GPU hangs * on SI. */ sscreen->has_clear_state = sscreen->info.chip_class >= CIK; sscreen->has_distributed_tess = sscreen->info.chip_class >= VI && sscreen->info.max_se >= 2; sscreen->has_draw_indirect_multi = (sscreen->info.family >= CHIP_POLARIS10) || (sscreen->info.chip_class == VI && sscreen->info.pfp_fw_version >= 121 && sscreen->info.me_fw_version >= 87) || (sscreen->info.chip_class == CIK && sscreen->info.pfp_fw_version >= 211 && sscreen->info.me_fw_version >= 173) || (sscreen->info.chip_class == SI && sscreen->info.pfp_fw_version >= 79 && sscreen->info.me_fw_version >= 142); sscreen->has_out_of_order_rast = sscreen->info.chip_class >= VI && sscreen->info.max_se >= 2 && !(sscreen->debug_flags & DBG(NO_OUT_OF_ORDER)); sscreen->assume_no_z_fights = driQueryOptionb(config->options, "radeonsi_assume_no_z_fights"); sscreen->commutative_blend_add = driQueryOptionb(config->options, "radeonsi_commutative_blend_add"); sscreen->clear_db_cache_before_clear = driQueryOptionb(config->options, "radeonsi_clear_db_cache_before_clear"); sscreen->has_msaa_sample_loc_bug = (sscreen->info.family >= CHIP_POLARIS10 && sscreen->info.family <= CHIP_POLARIS12) || sscreen->info.family == CHIP_VEGA10 || sscreen->info.family == CHIP_RAVEN; sscreen->has_ls_vgpr_init_bug = sscreen->info.family == CHIP_VEGA10 || sscreen->info.family == CHIP_RAVEN; if (sscreen->debug_flags & DBG(DPBB)) { sscreen->dpbb_allowed = true; } else { /* Only enable primitive binning on Raven by default. */ /* TODO: Investigate if binning is profitable on Vega12. */ sscreen->dpbb_allowed = sscreen->info.family == CHIP_RAVEN && !(sscreen->debug_flags & DBG(NO_DPBB)); } if (sscreen->debug_flags & DBG(DFSM)) { sscreen->dfsm_allowed = sscreen->dpbb_allowed; } else { sscreen->dfsm_allowed = sscreen->dpbb_allowed && !(sscreen->debug_flags & DBG(NO_DFSM)); } /* While it would be nice not to have this flag, we are constrained * by the reality that LLVM 5.0 doesn't have working VGPR indexing * on GFX9. */ sscreen->llvm_has_working_vgpr_indexing = sscreen->info.chip_class <= VI; /* Some chips have RB+ registers, but don't support RB+. Those must * always disable it. */ if (sscreen->info.family == CHIP_STONEY || sscreen->info.chip_class >= GFX9) { sscreen->has_rbplus = true; sscreen->rbplus_allowed = !(sscreen->debug_flags & DBG(NO_RB_PLUS)) && (sscreen->info.family == CHIP_STONEY || sscreen->info.family == CHIP_VEGA12 || sscreen->info.family == CHIP_RAVEN); } sscreen->dcc_msaa_allowed = !(sscreen->debug_flags & DBG(NO_DCC_MSAA)); sscreen->cpdma_prefetch_writes_memory = sscreen->info.chip_class <= VI; (void) mtx_init(&sscreen->shader_parts_mutex, mtx_plain); sscreen->use_monolithic_shaders = (sscreen->debug_flags & DBG(MONOLITHIC_SHADERS)) != 0; sscreen->barrier_flags.cp_to_L2 = SI_CONTEXT_INV_SMEM_L1 | SI_CONTEXT_INV_VMEM_L1; if (sscreen->info.chip_class <= VI) { sscreen->barrier_flags.cp_to_L2 |= SI_CONTEXT_INV_GLOBAL_L2; sscreen->barrier_flags.L2_to_cp |= SI_CONTEXT_WRITEBACK_GLOBAL_L2; } if (debug_get_bool_option("RADEON_DUMP_SHADERS", false)) sscreen->debug_flags |= DBG_ALL_SHADERS; /* Syntax: * EQAA=s,z,c * Example: * EQAA=8,4,2 * That means 8 coverage samples, 4 Z/S samples, and 2 color samples. * Constraints: * s >= z >= c (ignoring this only wastes memory) * s = [2..16] * z = [2..8] * c = [2..8] * * Only MSAA color and depth buffers are overriden. */ if (sscreen->info.has_eqaa_surface_allocator) { const char *eqaa = debug_get_option("EQAA", NULL); unsigned s,z,f; if (eqaa && sscanf(eqaa, "%u,%u,%u", &s, &z, &f) == 3 && s && z && f) { sscreen->eqaa_force_coverage_samples = s; sscreen->eqaa_force_z_samples = z; sscreen->eqaa_force_color_samples = f; } } for (i = 0; i < num_comp_hi_threads; i++) si_init_compiler(sscreen, &sscreen->compiler[i]); for (i = 0; i < num_comp_lo_threads; i++) si_init_compiler(sscreen, &sscreen->compiler_lowp[i]); /* Create the auxiliary context. This must be done last. */ sscreen->aux_context = si_create_context(&sscreen->b, 0); if (sscreen->debug_flags & DBG(TEST_DMA)) si_test_dma(sscreen); if (sscreen->debug_flags & (DBG(TEST_VMFAULT_CP) | DBG(TEST_VMFAULT_SDMA) | DBG(TEST_VMFAULT_SHADER))) si_test_vmfault(sscreen); return &sscreen->b; }