/* * Copyright © 2017 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 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. */ /** * @file crocus_screen.c * * Screen related driver hooks and capability lists. * * A program may use multiple rendering contexts (crocus_context), but * they all share a common screen (crocus_screen). Global driver state * can be stored in the screen; it may be accessed by multiple threads. */ #include #include #include #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "pipe/p_context.h" #include "pipe/p_screen.h" #include "util/u_debug.h" #include "util/u_inlines.h" #include "util/format/u_format.h" #include "util/u_transfer_helper.h" #include "util/u_upload_mgr.h" #include "util/ralloc.h" #include "util/xmlconfig.h" #include "drm-uapi/i915_drm.h" #include "crocus_context.h" #include "crocus_defines.h" #include "crocus_fence.h" #include "crocus_perf.h" #include "crocus_pipe.h" #include "crocus_resource.h" #include "crocus_screen.h" #include "intel/compiler/elk/elk_compiler.h" #include "intel/common/intel_debug_identifier.h" #include "intel/common/intel_gem.h" #include "intel/common/intel_l3_config.h" #include "intel/common/intel_uuid.h" #include "crocus_monitor.h" #define genX_call(devinfo, func, ...) \ switch ((devinfo)->verx10) { \ case 80: \ gfx8_##func(__VA_ARGS__); \ break; \ case 75: \ gfx75_##func(__VA_ARGS__); \ break; \ case 70: \ gfx7_##func(__VA_ARGS__); \ break; \ case 60: \ gfx6_##func(__VA_ARGS__); \ break; \ case 50: \ gfx5_##func(__VA_ARGS__); \ break; \ case 45: \ gfx45_##func(__VA_ARGS__); \ break; \ case 40: \ gfx4_##func(__VA_ARGS__); \ break; \ default: \ UNREACHABLE("Unknown hardware generation"); \ } static const char * crocus_get_vendor(struct pipe_screen *pscreen) { return "Intel"; } static const char * crocus_get_device_vendor(struct pipe_screen *pscreen) { return "Intel"; } static void crocus_get_device_uuid(struct pipe_screen *pscreen, char *uuid) { struct crocus_screen *screen = (struct crocus_screen *)pscreen; intel_uuid_compute_device_id((uint8_t *)uuid, &screen->devinfo, PIPE_UUID_SIZE); } static void crocus_get_driver_uuid(struct pipe_screen *pscreen, char *uuid) { struct crocus_screen *screen = (struct crocus_screen *)pscreen; const struct intel_device_info *devinfo = &screen->devinfo; intel_uuid_compute_driver_id((uint8_t *)uuid, devinfo, PIPE_UUID_SIZE); } static const char * crocus_get_name(struct pipe_screen *pscreen) { struct crocus_screen *screen = (struct crocus_screen *)pscreen; const struct intel_device_info *devinfo = &screen->devinfo; static char buf[128]; snprintf(buf, sizeof(buf), "Mesa %s", devinfo->name); return buf; } static uint64_t get_aperture_size(int fd) { struct drm_i915_gem_get_aperture aperture = {}; intel_ioctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture); return aperture.aper_size; } static void crocus_init_shader_caps(struct crocus_screen *screen) { const struct intel_device_info *devinfo = &screen->devinfo; for (unsigned i = 0; i <= PIPE_SHADER_COMPUTE; i++) { struct pipe_shader_caps *caps = (struct pipe_shader_caps *)&screen->base.shader_caps[i]; if (devinfo->ver < 6 && i != PIPE_SHADER_VERTEX && i != PIPE_SHADER_FRAGMENT) continue; if (devinfo->ver == 6 && i != PIPE_SHADER_VERTEX && i != PIPE_SHADER_FRAGMENT && i != PIPE_SHADER_GEOMETRY) continue; caps->max_instructions = i == MESA_SHADER_FRAGMENT ? 1024 : 16384; caps->max_alu_instructions = caps->max_tex_instructions = caps->max_tex_indirections = i == MESA_SHADER_FRAGMENT ? 1024 : 0; caps->max_control_flow_depth = UINT_MAX; /* Gen7 vec4 geom backend */ caps->max_inputs = i == MESA_SHADER_VERTEX || i == MESA_SHADER_GEOMETRY ? 16 : 32; caps->max_outputs = 32; caps->max_const_buffer0_size = 16 * 1024 * sizeof(float); caps->max_const_buffers = devinfo->ver >= 6 ? 16 : 1; caps->max_temps = 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */ /* Lie about these to avoid st/mesa's GLSL IR lowering of indirects, * which we don't want. Our compiler backend will check elk_compiler's * options and call nir_lower_indirect_derefs appropriately anyway. */ caps->indirect_temp_addr = true; caps->indirect_const_addr = true; caps->integers = true; caps->max_texture_samplers = caps->max_sampler_views = (devinfo->verx10 >= 75) ? CROCUS_MAX_TEXTURE_SAMPLERS : 16; if (devinfo->ver >= 7 && (i == PIPE_SHADER_FRAGMENT || i == PIPE_SHADER_COMPUTE)) caps->max_shader_images = CROCUS_MAX_TEXTURE_SAMPLERS; caps->max_shader_buffers = devinfo->ver >= 7 ? (CROCUS_MAX_ABOS + CROCUS_MAX_SSBOS) : 0; caps->supported_irs = 1 << PIPE_SHADER_IR_NIR; } } static void crocus_init_compute_caps(struct crocus_screen *screen) { struct pipe_compute_caps *caps = (struct pipe_compute_caps *)&screen->base.compute_caps; const struct intel_device_info *devinfo = &screen->devinfo; if (devinfo->ver < 7) return; const uint32_t max_invocations = 32 * devinfo->max_cs_workgroup_threads; caps->address_bits = 32; caps->grid_dimension = 3; caps->max_grid_size[0] = caps->max_grid_size[1] = caps->max_grid_size[2] = 65535; /* MaxComputeWorkGroupSize[0..2] */ caps->max_block_size[0] = caps->max_block_size[1] = caps->max_block_size[2] = max_invocations; /* MaxComputeWorkGroupInvocations */ caps->max_threads_per_block = max_invocations; /* MaxComputeSharedMemorySize */ caps->max_local_size = 64 * 1024; caps->subgroup_sizes = ELK_SUBGROUP_SIZE; caps->max_variable_threads_per_block = max_invocations; } static void crocus_init_screen_caps(struct crocus_screen *screen) { const struct intel_device_info *devinfo = &screen->devinfo; struct pipe_caps *caps = (struct pipe_caps *)&screen->base.caps; u_init_pipe_screen_caps(&screen->base, 1); caps->npot_textures = true; caps->anisotropic_filter = true; caps->occlusion_query = true; caps->texture_swizzle = true; caps->texture_mirror_clamp_to_edge = true; caps->blend_equation_separate = true; caps->fragment_shader_texture_lod = true; caps->fragment_shader_derivatives = true; caps->primitive_restart = true; caps->primitive_restart_fixed_index = true; caps->indep_blend_enable = true; caps->fs_coord_origin_upper_left = true; caps->fs_coord_pixel_center_integer = true; caps->depth_clip_disable = true; caps->vs_instanceid = true; caps->vertex_element_instance_divisor = true; caps->seamless_cube_map = true; caps->seamless_cube_map_per_texture = true; caps->conditional_render = true; caps->texture_barrier = true; caps->vertex_color_unclamped = true; caps->start_instance = true; caps->force_persample_interp = true; caps->mixed_framebuffer_sizes = true; caps->vs_layer_viewport = true; caps->tes_layer_viewport = true; caps->uma = true; caps->clip_halfz = true; caps->tgsi_texcoord = true; caps->device_reset_status_query = true; caps->copy_between_compressed_and_plain_formats = true; caps->signed_vertex_buffer_offset = true; caps->texture_float_linear = true; caps->texture_half_float_linear = true; caps->polygon_offset_clamp = true; caps->tgsi_tex_txf_lz = true; caps->multisample_z_resolve = true; caps->shader_group_vote = true; caps->vs_window_space_position = true; caps->texture_gather_sm5 = true; caps->shader_array_components = true; caps->glsl_tess_levels_as_inputs = true; caps->fs_position_is_sysval = true; caps->fs_face_is_integer_sysval = true; caps->invalidate_buffer = true; caps->surface_reinterpret_blocks = true; caps->fence_signal = true; caps->demote_to_helper_invocation = true; caps->gl_clamp = true; caps->legacy_math_rules = true; caps->native_fence_fd = true; caps->int64 = caps->shader_ballot = caps->packed_uniforms = devinfo->ver == 8; caps->quads_follow_provoking_vertex_convention = devinfo->ver <= 5; caps->texture_query_lod = caps->query_time_elapsed = devinfo->ver >= 5; caps->draw_indirect = caps->multi_draw_indirect = caps->multi_draw_indirect_params = caps->framebuffer_no_attachment = caps->fs_fine_derivative = caps->stream_output_interleave_buffers = caps->shader_clock = caps->texture_query_samples = caps->compute = caps->sampler_view_target = caps->shader_samples_identical = caps->shader_pack_half_float = caps->gl_spirv = caps->gl_spirv_variable_pointers = caps->compute_shader_derivatives = caps->doubles = caps->memobj = caps->image_store_formatted = caps->alpha_to_coverage_dither_control = devinfo->ver >= 7; caps->query_buffer_object = caps->robust_buffer_access_behavior = devinfo->verx10 >= 75; caps->cull_distance = caps->query_pipeline_statistics_single = caps->stream_output_pause_resume = caps->sample_shading = caps->cube_map_array = caps->query_so_overflow = caps->texture_multisample = caps->conditional_render_inverted = caps->query_timestamp = caps->texture_buffer_objects = caps->indep_blend_func = caps->texture_shadow_lod = caps->load_constbuf = caps->draw_parameters = caps->clear_scissored = devinfo->ver >= 6; caps->fbfetch = devinfo->verx10 >= 45 ? ELK_MAX_DRAW_BUFFERS : 0; /* in theory CL (965gm) can do this */ caps->max_dual_source_render_targets = devinfo->verx10 >= 45 ? 1 : 0; caps->max_render_targets = ELK_MAX_DRAW_BUFFERS; caps->max_texture_2d_size = devinfo->ver >= 7 ? 16384 : 8192; caps->max_texture_cube_levels = devinfo->ver >= 7 ? CROCUS_MAX_MIPLEVELS /* 16384x16384 */ : CROCUS_MAX_MIPLEVELS - 1; /* 8192x8192 */ caps->max_texture_3d_levels = 12; /* 2048x2048 */ caps->max_stream_output_buffers = (devinfo->ver >= 6) ? 4 : 0; caps->max_texture_array_layers = devinfo->ver >= 7 ? 2048 : 512; caps->max_stream_output_separate_components = ELK_MAX_SOL_BINDINGS / CROCUS_MAX_SOL_BUFFERS; caps->max_stream_output_interleaved_components = ELK_MAX_SOL_BINDINGS; caps->glsl_feature_level_compatibility = caps->glsl_feature_level = devinfo->verx10 >= 75 ? 460 : (devinfo->ver >= 7 ? 420 : (devinfo->ver >= 6 ? 330 : 140)); caps->clip_planes = devinfo->verx10 < 45 ? 6 : 1; // defaults to MAX (8) /* 3DSTATE_CONSTANT_XS requires the start of UBOs to be 32B aligned */ caps->constant_buffer_offset_alignment = 32; caps->min_map_buffer_alignment = CROCUS_MAP_BUFFER_ALIGNMENT; caps->shader_buffer_offset_alignment = devinfo->ver >= 7 ? 4 : 0; caps->max_shader_buffer_size = devinfo->ver >= 7 ? (1 << 27) : 0; caps->texture_buffer_offset_alignment = 16; // XXX: u_screen says 256 is the minimum value... caps->texture_transfer_modes = PIPE_TEXTURE_TRANSFER_BLIT; caps->max_texel_buffer_elements = CROCUS_MAX_TEXTURE_BUFFER_SIZE; caps->max_viewports = devinfo->ver >= 6 ? 16 : 1; caps->max_geometry_output_vertices = devinfo->ver >= 6 ? 256 : 0; caps->max_geometry_total_output_components = devinfo->ver >= 6 ? 1024 : 0; caps->max_gs_invocations = devinfo->ver >= 7 ? 32 : 1; caps->max_texture_gather_components = devinfo->ver >= 7 ? 4 : (devinfo->ver == 6 ? 1 : 0); caps->min_texture_gather_offset = devinfo->ver >= 7 ? -32 : (devinfo->ver == 6 ? -8 : 0); caps->max_texture_gather_offset = devinfo->ver >= 7 ? 31 : (devinfo->ver == 6 ? 7 : 0); caps->max_vertex_streams = devinfo->ver >= 7 ? 4 : 1; caps->vendor_id = 0x8086; caps->device_id = screen->pci_id; /* Once a batch uses more than 75% of the maximum mappable size, we * assume that there's some fragmentation, and we start doing extra * flushing, etc. That's the big cliff apps will care about. */ const unsigned gpu_mappable_megabytes = (screen->aperture_threshold) / (1024 * 1024); const long system_memory_pages = sysconf(_SC_PHYS_PAGES); const long system_page_size = sysconf(_SC_PAGE_SIZE); if (system_memory_pages <= 0 || system_page_size <= 0) { caps->video_memory = -1; } else { const uint64_t system_memory_bytes = (uint64_t) system_memory_pages * (uint64_t) system_page_size; const unsigned system_memory_megabytes = (unsigned) (system_memory_bytes / (1024 * 1024)); caps->video_memory = MIN2(system_memory_megabytes, gpu_mappable_megabytes); } caps->max_shader_patch_varyings = caps->max_varyings = (screen->devinfo.ver >= 6) ? 32 : 16; /* AMD_pinned_memory assumes the flexibility of using client memory * for any buffer (incl. vertex buffers) which rules out the prospect * of using snooped buffers, as using snooped buffers without * cogniscience is likely to be detrimental to performance and require * extensive checking in the driver for correctness, e.g. to prevent * illegal snoop <-> snoop transfers. */ caps->resource_from_user_memory = devinfo->has_llc; caps->throttle = !screen->driconf.disable_throttling; caps->context_priority_mask = PIPE_CONTEXT_PRIORITY_LOW | PIPE_CONTEXT_PRIORITY_MEDIUM | PIPE_CONTEXT_PRIORITY_HIGH; caps->frontend_noop = true; // XXX: don't hardcode 00:00:02.0 PCI here caps->pci_group = 0; caps->pci_bus = 0; caps->pci_device = 2; caps->pci_function = 0; caps->hardware_gl_select = false; caps->timer_resolution = DIV_ROUND_UP(1000000000ull, devinfo->timestamp_frequency); caps->min_line_width = caps->min_line_width_aa = caps->min_point_size = caps->min_point_size_aa = 1; caps->point_size_granularity = caps->line_width_granularity = 0.1; caps->max_line_width = caps->max_line_width_aa = devinfo->ver >= 6 ? 7.375f : 7.0f; caps->max_point_size = caps->max_point_size_aa = 255.0f; caps->max_texture_anisotropy = 16.0f; caps->max_texture_lod_bias = 15.0f; } static uint64_t crocus_get_timestamp(struct pipe_screen *pscreen) { struct crocus_screen *screen = (struct crocus_screen *) pscreen; uint64_t result; if (!intel_gem_read_render_timestamp(crocus_bufmgr_get_fd(screen->bufmgr), screen->devinfo.kmd_type, &result)) return 0; result = intel_device_info_timebase_scale(&screen->devinfo, result); result &= (1ull << TIMESTAMP_BITS) - 1; return result; } void crocus_screen_destroy(struct crocus_screen *screen) { intel_perf_free(screen->perf_cfg); u_transfer_helper_destroy(screen->base.transfer_helper); crocus_bufmgr_unref(screen->bufmgr); disk_cache_destroy(screen->disk_cache); close(screen->winsys_fd); ralloc_free(screen); } static void crocus_screen_unref(struct pipe_screen *pscreen) { crocus_pscreen_unref(pscreen); } static void crocus_query_memory_info(struct pipe_screen *pscreen, struct pipe_memory_info *info) { } static struct disk_cache * crocus_get_disk_shader_cache(struct pipe_screen *pscreen) { struct crocus_screen *screen = (struct crocus_screen *) pscreen; return screen->disk_cache; } static const struct intel_l3_config * crocus_get_default_l3_config(const struct intel_device_info *devinfo, bool compute) { bool wants_dc_cache = true; bool has_slm = compute; const struct intel_l3_weights w = intel_get_default_l3_weights(devinfo, wants_dc_cache, has_slm); return intel_get_l3_config(devinfo, w); } static void crocus_shader_debug_log(void *data, unsigned *id, const char *fmt, ...) { struct util_debug_callback *dbg = data; va_list args; if (!dbg->debug_message) return; va_start(args, fmt); dbg->debug_message(dbg->data, id, UTIL_DEBUG_TYPE_SHADER_INFO, fmt, args); va_end(args); } static void crocus_shader_perf_log(void *data, unsigned *id, const char *fmt, ...) { struct util_debug_callback *dbg = data; va_list args; va_start(args, fmt); if (INTEL_DEBUG(DEBUG_PERF)) { va_list args_copy; va_copy(args_copy, args); vfprintf(stderr, fmt, args_copy); va_end(args_copy); } if (dbg->debug_message) { dbg->debug_message(dbg->data, id, UTIL_DEBUG_TYPE_PERF_INFO, fmt, args); } va_end(args); } static int crocus_screen_get_fd(struct pipe_screen *pscreen) { struct crocus_screen *screen = (struct crocus_screen *)pscreen; return screen->winsys_fd; } struct pipe_screen * crocus_screen_create(int fd, const struct pipe_screen_config *config) { struct crocus_screen *screen = rzalloc(NULL, struct crocus_screen); if (!screen) return NULL; if (!intel_get_device_info_from_fd(fd, &screen->devinfo, 4, 8)) return NULL; screen->pci_id = screen->devinfo.pci_device_id; if (screen->devinfo.ver > 8) return NULL; if (screen->devinfo.ver == 8) { /* bind to cherryview or bdw if forced */ if (screen->devinfo.platform != INTEL_PLATFORM_CHV && !getenv("CROCUS_GEN8")) return NULL; } p_atomic_set(&screen->refcount, 1); screen->aperture_bytes = get_aperture_size(fd); screen->aperture_threshold = screen->aperture_bytes * 3 / 4; driParseConfigFiles(config->options, config->options_info, 0, "crocus", NULL, NULL, NULL, 0, NULL, 0); bool bo_reuse = false; int bo_reuse_mode = driQueryOptioni(config->options, "bo_reuse"); switch (bo_reuse_mode) { case DRI_CONF_BO_REUSE_DISABLED: break; case DRI_CONF_BO_REUSE_ALL: bo_reuse = true; break; } screen->bufmgr = crocus_bufmgr_get_for_fd(&screen->devinfo, fd, bo_reuse); if (!screen->bufmgr) return NULL; screen->fd = crocus_bufmgr_get_fd(screen->bufmgr); screen->winsys_fd = fd; process_intel_debug_variable(); screen->driconf.dual_color_blend_by_location = driQueryOptionb(config->options, "dual_color_blend_by_location"); screen->driconf.disable_throttling = driQueryOptionb(config->options, "disable_throttling"); screen->driconf.always_flush_cache = driQueryOptionb(config->options, "always_flush_cache"); screen->driconf.limit_trig_input_range = driQueryOptionb(config->options, "limit_trig_input_range"); screen->driconf.lower_depth_range_rate = driQueryOptionf(config->options, "lower_depth_range_rate"); screen->precompile = debug_get_bool_option("shader_precompile", true); isl_device_init(&screen->isl_dev, &screen->devinfo); screen->compiler = elk_compiler_create(screen, &screen->devinfo); screen->compiler->shader_debug_log = crocus_shader_debug_log; screen->compiler->shader_perf_log = crocus_shader_perf_log; screen->compiler->supports_shader_constants = false; screen->compiler->constant_buffer_0_is_relative = true; if (screen->devinfo.ver >= 7) { screen->l3_config_3d = crocus_get_default_l3_config(&screen->devinfo, false); screen->l3_config_cs = crocus_get_default_l3_config(&screen->devinfo, true); } crocus_disk_cache_init(screen); slab_create_parent(&screen->transfer_pool, sizeof(struct crocus_transfer), 64); struct pipe_screen *pscreen = &screen->base; crocus_init_screen_fence_functions(pscreen); crocus_init_screen_resource_functions(pscreen); for (unsigned i = 0; i <= MESA_SHADER_COMPUTE; i++) pscreen->nir_options[i] = screen->compiler->nir_options[i]; pscreen->destroy = crocus_screen_unref; pscreen->get_name = crocus_get_name; pscreen->get_vendor = crocus_get_vendor; pscreen->get_device_vendor = crocus_get_device_vendor; pscreen->get_screen_fd = crocus_screen_get_fd; pscreen->get_device_uuid = crocus_get_device_uuid; pscreen->get_driver_uuid = crocus_get_driver_uuid; pscreen->get_disk_shader_cache = crocus_get_disk_shader_cache; pscreen->is_format_supported = crocus_is_format_supported; pscreen->context_create = crocus_create_context; pscreen->get_timestamp = crocus_get_timestamp; pscreen->query_memory_info = crocus_query_memory_info; pscreen->get_driver_query_group_info = crocus_get_monitor_group_info; pscreen->get_driver_query_info = crocus_get_monitor_info; crocus_init_shader_caps(screen); crocus_init_compute_caps(screen); crocus_init_screen_caps(screen); genX_call(&screen->devinfo, crocus_init_screen_state, screen); genX_call(&screen->devinfo, crocus_init_screen_query, screen); return pscreen; }