/* * Copyright © 2016 Red Hat. * Copyright © 2016 Bas Nieuwenhuizen * * based in part on anv driver which is: * Copyright © 2015 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. */ #ifndef RADV_SHADER_H #define RADV_SHADER_H #include "ac_binary.h" #include "amd_family.h" #include "radv_constants.h" #include "nir/nir.h" #include "vulkan/vulkan.h" #include "vulkan/util/vk_object.h" struct radv_device; struct radv_shader_module { struct vk_object_base base; struct nir_shader *nir; unsigned char sha1[20]; uint32_t size; char data[0]; }; enum { RADV_ALPHA_ADJUST_NONE = 0, RADV_ALPHA_ADJUST_SNORM = 1, RADV_ALPHA_ADJUST_SINT = 2, RADV_ALPHA_ADJUST_SSCALED = 3, }; struct radv_vs_out_key { uint32_t as_es:1; uint32_t as_ls:1; uint32_t as_ngg:1; uint32_t as_ngg_passthrough:1; uint32_t export_prim_id:1; uint32_t export_layer_id:1; uint32_t export_clip_dists:1; uint32_t export_viewport_index:1; }; struct radv_vs_variant_key { struct radv_vs_out_key out; uint32_t instance_rate_inputs; uint32_t instance_rate_divisors[MAX_VERTEX_ATTRIBS]; uint8_t vertex_attribute_formats[MAX_VERTEX_ATTRIBS]; uint32_t vertex_attribute_bindings[MAX_VERTEX_ATTRIBS]; uint32_t vertex_attribute_offsets[MAX_VERTEX_ATTRIBS]; uint32_t vertex_attribute_strides[MAX_VERTEX_ATTRIBS]; /* For 2_10_10_10 formats the alpha is handled as unsigned by pre-vega HW. * so we may need to fix it up. */ uint64_t alpha_adjust; /* For some formats the channels have to be shuffled. */ uint32_t post_shuffle; /* Output primitive type. */ uint8_t outprim; }; struct radv_tes_variant_key { struct radv_vs_out_key out; uint8_t num_patches; uint8_t tcs_num_outputs; }; struct radv_tcs_variant_key { struct radv_vs_variant_key vs_key; unsigned primitive_mode; unsigned input_vertices; unsigned num_inputs; uint32_t tes_reads_tess_factors:1; }; struct radv_fs_variant_key { uint32_t col_format; uint8_t log2_ps_iter_samples; uint8_t num_samples; uint32_t is_int8; uint32_t is_int10; bool is_dual_src; }; struct radv_cs_variant_key { uint8_t subgroup_size; }; struct radv_shader_variant_key { union { struct radv_vs_variant_key vs; struct radv_fs_variant_key fs; struct radv_tes_variant_key tes; struct radv_tcs_variant_key tcs; struct radv_cs_variant_key cs; /* A common prefix of the vs and tes keys. */ struct radv_vs_out_key vs_common_out; }; bool has_multiview_view_index; }; struct radv_nir_compiler_options { struct radv_pipeline_layout *layout; struct radv_shader_variant_key key; bool explicit_scratch_args; bool clamp_shadow_reference; bool robust_buffer_access; bool dump_shader; bool dump_preoptir; bool record_ir; bool record_stats; bool check_ir; bool has_ls_vgpr_init_bug; bool use_ngg_streamout; bool enable_mrt_output_nan_fixup; enum radeon_family family; enum chip_class chip_class; uint32_t tess_offchip_block_dw_size; uint32_t address32_hi; }; enum radv_ud_index { AC_UD_SCRATCH_RING_OFFSETS = 0, AC_UD_PUSH_CONSTANTS = 1, AC_UD_INLINE_PUSH_CONSTANTS = 2, AC_UD_INDIRECT_DESCRIPTOR_SETS = 3, AC_UD_VIEW_INDEX = 4, AC_UD_STREAMOUT_BUFFERS = 5, AC_UD_NGG_GS_STATE = 6, AC_UD_SHADER_START = 7, AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START, AC_UD_VS_BASE_VERTEX_START_INSTANCE, AC_UD_VS_MAX_UD, AC_UD_PS_MAX_UD, AC_UD_CS_GRID_SIZE = AC_UD_SHADER_START, AC_UD_CS_MAX_UD, AC_UD_GS_MAX_UD, AC_UD_TCS_MAX_UD, AC_UD_TES_MAX_UD, AC_UD_MAX_UD = AC_UD_TCS_MAX_UD, }; struct radv_stream_output { uint8_t location; uint8_t buffer; uint16_t offset; uint8_t component_mask; uint8_t stream; }; struct radv_streamout_info { uint16_t num_outputs; struct radv_stream_output outputs[MAX_SO_OUTPUTS]; uint16_t strides[MAX_SO_BUFFERS]; uint32_t enabled_stream_buffers_mask; }; struct radv_userdata_info { int8_t sgpr_idx; uint8_t num_sgprs; }; struct radv_userdata_locations { struct radv_userdata_info descriptor_sets[MAX_SETS]; struct radv_userdata_info shader_data[AC_UD_MAX_UD]; uint32_t descriptor_sets_enabled; }; struct radv_vs_output_info { uint8_t vs_output_param_offset[VARYING_SLOT_MAX]; uint8_t clip_dist_mask; uint8_t cull_dist_mask; uint8_t param_exports; bool writes_pointsize; bool writes_layer; bool writes_viewport_index; bool export_prim_id; unsigned pos_exports; }; struct radv_es_output_info { uint32_t esgs_itemsize; }; struct gfx9_gs_info { uint32_t vgt_gs_onchip_cntl; uint32_t vgt_gs_max_prims_per_subgroup; uint32_t vgt_esgs_ring_itemsize; uint32_t lds_size; }; struct gfx10_ngg_info { uint16_t ngg_emit_size; /* in dwords */ uint32_t hw_max_esverts; uint32_t max_gsprims; uint32_t max_out_verts; uint32_t prim_amp_factor; uint32_t vgt_esgs_ring_itemsize; uint32_t esgs_ring_size; bool max_vert_out_per_gs_instance; }; struct radv_shader_info { bool loads_push_constants; bool loads_dynamic_offsets; uint8_t min_push_constant_used; uint8_t max_push_constant_used; bool has_only_32bit_push_constants; bool has_indirect_push_constants; uint8_t num_inline_push_consts; uint8_t base_inline_push_consts; uint32_t desc_set_used_mask; bool needs_multiview_view_index; bool uses_invocation_id; bool uses_prim_id; uint8_t wave_size; uint8_t ballot_bit_size; struct radv_userdata_locations user_sgprs_locs; unsigned num_user_sgprs; unsigned num_input_sgprs; unsigned num_input_vgprs; unsigned private_mem_vgprs; bool need_indirect_descriptor_sets; bool is_ngg; bool is_ngg_passthrough; struct { uint64_t ls_outputs_written; uint8_t input_usage_mask[VERT_ATTRIB_MAX]; uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1]; bool has_vertex_buffers; /* needs vertex buffers and base/start */ bool needs_draw_id; bool needs_instance_id; struct radv_vs_output_info outinfo; struct radv_es_output_info es_info; bool as_es; bool as_ls; bool export_prim_id; uint8_t num_linked_outputs; } vs; struct { uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1]; uint8_t num_stream_output_components[4]; uint8_t output_streams[VARYING_SLOT_VAR31 + 1]; uint8_t max_stream; bool writes_memory; unsigned gsvs_vertex_size; unsigned max_gsvs_emit_size; unsigned vertices_in; unsigned vertices_out; unsigned output_prim; unsigned invocations; unsigned es_type; /* GFX9: VS or TES */ uint8_t num_linked_inputs; } gs; struct { uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1]; struct radv_vs_output_info outinfo; struct radv_es_output_info es_info; bool as_es; unsigned primitive_mode; enum gl_tess_spacing spacing; bool ccw; bool point_mode; bool export_prim_id; uint8_t num_linked_inputs; uint8_t num_linked_patch_inputs; uint8_t num_linked_outputs; } tes; struct { bool force_persample; bool needs_sample_positions; bool writes_memory; bool writes_z; bool writes_stencil; bool writes_sample_mask; bool has_pcoord; bool prim_id_input; bool layer_input; bool viewport_index_input; uint8_t num_input_clips_culls; uint32_t input_mask; uint32_t flat_shaded_mask; uint32_t explicit_shaded_mask; uint32_t float16_shaded_mask; uint32_t num_interp; uint32_t cb_shader_mask; bool can_discard; bool early_fragment_test; bool post_depth_coverage; uint8_t depth_layout; } ps; struct { bool uses_grid_size; bool uses_block_id[3]; bool uses_thread_id[3]; bool uses_local_invocation_idx; unsigned block_size[3]; } cs; struct { uint64_t outputs_written; uint64_t patch_outputs_written; uint64_t tes_inputs_read; uint64_t tes_patch_inputs_read; unsigned tcs_vertices_out; uint32_t num_patches; uint32_t lds_size; uint8_t num_linked_inputs; uint8_t num_linked_outputs; uint8_t num_linked_patch_outputs; } tcs; struct radv_streamout_info so; struct gfx9_gs_info gs_ring_info; struct gfx10_ngg_info ngg_info; unsigned float_controls_mode; }; enum radv_shader_binary_type { RADV_BINARY_TYPE_LEGACY, RADV_BINARY_TYPE_RTLD }; struct radv_shader_binary { enum radv_shader_binary_type type; gl_shader_stage stage; bool is_gs_copy_shader; struct radv_shader_info info; /* Self-referential size so we avoid consistency issues. */ uint32_t total_size; }; struct radv_shader_binary_legacy { struct radv_shader_binary base; struct ac_shader_config config; unsigned code_size; unsigned exec_size; unsigned ir_size; unsigned disasm_size; unsigned stats_size; /* data has size of stats_size + code_size + ir_size + disasm_size + 2, * where the +2 is for 0 of the ir strings. */ uint8_t data[0]; }; struct radv_shader_binary_rtld { struct radv_shader_binary base; unsigned elf_size; unsigned llvm_ir_size; uint8_t data[0]; }; struct radv_compiler_statistic_info { char name[32]; char desc[64]; }; struct radv_compiler_statistics { unsigned count; struct radv_compiler_statistic_info *infos; uint32_t values[]; }; struct radv_shader_variant { uint32_t ref_count; struct radeon_winsys_bo *bo; uint64_t bo_offset; struct ac_shader_config config; uint32_t code_size; uint32_t exec_size; struct radv_shader_info info; /* debug only */ char *spirv; uint32_t spirv_size; char *nir_string; char *disasm_string; char *ir_string; struct radv_compiler_statistics *statistics; struct list_head slab_list; }; struct radv_shader_slab { struct list_head slabs; struct list_head shaders; struct radeon_winsys_bo *bo; uint64_t size; char *ptr; }; void radv_optimize_nir(struct nir_shader *shader, bool optimize_conservatively, bool allow_copies); bool radv_nir_lower_ycbcr_textures(nir_shader *shader, const struct radv_pipeline_layout *layout); nir_shader * radv_shader_compile_to_nir(struct radv_device *device, struct radv_shader_module *module, const char *entrypoint_name, gl_shader_stage stage, const VkSpecializationInfo *spec_info, const VkPipelineCreateFlags flags, const struct radv_pipeline_layout *layout, unsigned subgroup_size, unsigned ballot_bit_size); void radv_destroy_shader_slabs(struct radv_device *device); VkResult radv_create_shaders(struct radv_pipeline *pipeline, struct radv_device *device, struct radv_pipeline_cache *cache, const struct radv_pipeline_key *key, const VkPipelineShaderStageCreateInfo **pStages, const VkPipelineCreateFlags flags, VkPipelineCreationFeedbackEXT *pipeline_feedback, VkPipelineCreationFeedbackEXT **stage_feedbacks); struct radv_shader_variant * radv_shader_variant_create(struct radv_device *device, const struct radv_shader_binary *binary, bool keep_shader_info); struct radv_shader_variant * radv_shader_variant_compile(struct radv_device *device, struct radv_shader_module *module, struct nir_shader *const *shaders, int shader_count, struct radv_pipeline_layout *layout, const struct radv_shader_variant_key *key, struct radv_shader_info *info, bool keep_shader_info, bool keep_statistic_info, struct radv_shader_binary **binary_out); struct radv_shader_variant * radv_create_gs_copy_shader(struct radv_device *device, struct nir_shader *nir, struct radv_shader_info *info, struct radv_shader_binary **binary_out, bool multiview, bool keep_shader_info, bool keep_statistic_info); void radv_shader_variant_destroy(struct radv_device *device, struct radv_shader_variant *variant); unsigned radv_get_max_waves(struct radv_device *device, struct radv_shader_variant *variant, gl_shader_stage stage); unsigned radv_get_max_workgroup_size(enum chip_class chip_class, gl_shader_stage stage, const unsigned *sizes); const char * radv_get_shader_name(struct radv_shader_info *info, gl_shader_stage stage); void radv_shader_dump_stats(struct radv_device *device, struct radv_shader_variant *variant, gl_shader_stage stage, FILE *file); bool radv_can_dump_shader(struct radv_device *device, struct radv_shader_module *module, bool is_gs_copy_shader); bool radv_can_dump_shader_stats(struct radv_device *device, struct radv_shader_module *module); static inline unsigned shader_io_get_unique_index(gl_varying_slot slot) { /* handle patch indices separate */ if (slot == VARYING_SLOT_TESS_LEVEL_OUTER) return 0; if (slot == VARYING_SLOT_TESS_LEVEL_INNER) return 1; if (slot >= VARYING_SLOT_PATCH0 && slot <= VARYING_SLOT_TESS_MAX) return 2 + (slot - VARYING_SLOT_PATCH0); if (slot == VARYING_SLOT_POS) return 0; if (slot == VARYING_SLOT_PSIZ) return 1; if (slot == VARYING_SLOT_CLIP_DIST0) return 2; if (slot == VARYING_SLOT_CLIP_DIST1) return 3; /* 3 is reserved for clip dist as well */ if (slot >= VARYING_SLOT_VAR0 && slot <= VARYING_SLOT_VAR31) return 4 + (slot - VARYING_SLOT_VAR0); unreachable("illegal slot in get unique index\n"); } static inline unsigned calculate_tess_lds_size(unsigned tcs_num_input_vertices, unsigned tcs_num_output_vertices, unsigned tcs_num_inputs, unsigned tcs_num_patches, unsigned tcs_num_outputs, unsigned tcs_num_patch_outputs) { unsigned input_vertex_size = tcs_num_inputs * 16; unsigned output_vertex_size = tcs_num_outputs * 16; unsigned input_patch_size = tcs_num_input_vertices * input_vertex_size; unsigned pervertex_output_patch_size = tcs_num_output_vertices * output_vertex_size; unsigned output_patch_size = pervertex_output_patch_size + tcs_num_patch_outputs * 16; unsigned output_patch0_offset = input_patch_size * tcs_num_patches; return output_patch0_offset + output_patch_size * tcs_num_patches; } static inline unsigned get_tcs_num_patches(unsigned tcs_num_input_vertices, unsigned tcs_num_output_vertices, unsigned tcs_num_inputs, unsigned tcs_num_outputs, unsigned tcs_num_patch_outputs, unsigned tess_offchip_block_dw_size, enum chip_class chip_class, enum radeon_family family) { uint32_t input_vertex_size = tcs_num_inputs * 16; uint32_t input_patch_size = tcs_num_input_vertices * input_vertex_size; uint32_t output_vertex_size = tcs_num_outputs * 16; uint32_t pervertex_output_patch_size = tcs_num_output_vertices * output_vertex_size; uint32_t output_patch_size = pervertex_output_patch_size + tcs_num_patch_outputs * 16; /* Ensure that we only need one wave per SIMD so we don't need to check * resource usage. Also ensures that the number of tcs in and out * vertices per threadgroup are at most 256. */ unsigned num_patches = 64 / MAX2(tcs_num_input_vertices, tcs_num_output_vertices) * 4; /* Make sure that the data fits in LDS. This assumes the shaders only * use LDS for the inputs and outputs. */ unsigned hardware_lds_size = 32768; /* Looks like STONEY hangs if we use more than 32 KiB LDS in a single * threadgroup, even though there is more than 32 KiB LDS. * * Test: dEQP-VK.tessellation.shader_input_output.barrier */ if (chip_class >= GFX7 && family != CHIP_STONEY) hardware_lds_size = 65536; num_patches = MIN2(num_patches, hardware_lds_size / (input_patch_size + output_patch_size)); /* Make sure the output data fits in the offchip buffer */ num_patches = MIN2(num_patches, (tess_offchip_block_dw_size * 4) / output_patch_size); /* Not necessary for correctness, but improves performance. The * specific value is taken from the proprietary driver. */ num_patches = MIN2(num_patches, 40); /* GFX6 bug workaround - limit LS-HS threadgroups to only one wave. */ if (chip_class == GFX6) { unsigned one_wave = 64 / MAX2(tcs_num_input_vertices, tcs_num_output_vertices); num_patches = MIN2(num_patches, one_wave); } return num_patches; } void radv_lower_fs_io(nir_shader *nir); #endif