/* * 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 "radv_debug.h" #include "radv_private.h" #include "nir/nir.h" /* descriptor index into scratch ring offsets */ #define RING_SCRATCH 0 #define RING_ESGS_VS 1 #define RING_ESGS_GS 2 #define RING_GSVS_VS 3 #define RING_GSVS_GS 4 #define RING_HS_TESS_FACTOR 5 #define RING_HS_TESS_OFFCHIP 6 #define RING_PS_SAMPLE_POSITIONS 7 // Match MAX_SETS from radv_descriptor_set.h #define RADV_UD_MAX_SETS MAX_SETS struct radv_shader_module { struct nir_shader *nir; unsigned char sha1[20]; uint32_t size; char data[0]; }; struct radv_vs_variant_key { uint32_t instance_rate_inputs; uint32_t as_es:1; uint32_t as_ls:1; uint32_t export_prim_id:1; uint32_t export_layer_id:1; }; struct radv_tes_variant_key { uint32_t as_es:1; uint32_t export_prim_id:1; uint32_t export_layer_id:1; 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 log2_num_samples; uint32_t is_int8; uint32_t is_int10; uint32_t multisample : 1; }; 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; }; bool has_multiview_view_index; }; struct radv_nir_compiler_options { struct radv_pipeline_layout *layout; struct radv_shader_variant_key key; bool unsafe_math; bool supports_spill; bool clamp_shadow_reference; bool dump_shader; bool dump_preoptir; bool record_llvm_ir; enum radeon_family family; enum chip_class chip_class; uint32_t tess_offchip_block_dw_size; }; enum radv_ud_index { AC_UD_SCRATCH_RING_OFFSETS = 0, AC_UD_PUSH_CONSTANTS = 1, AC_UD_INDIRECT_DESCRIPTOR_SETS = 2, AC_UD_VIEW_INDEX = 3, AC_UD_SHADER_START = 4, AC_UD_VS_VERTEX_BUFFERS = AC_UD_SHADER_START, AC_UD_VS_BASE_VERTEX_START_INSTANCE, AC_UD_VS_MAX_UD, AC_UD_PS_SAMPLE_POS_OFFSET = AC_UD_SHADER_START, 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_shader_info { bool loads_push_constants; uint32_t desc_set_used_mask; bool needs_multiview_view_index; bool uses_invocation_id; bool uses_prim_id; 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; } vs; struct { uint8_t output_usage_mask[VARYING_SLOT_VAR31 + 1]; } tes; struct { bool force_persample; bool needs_sample_positions; bool uses_input_attachments; bool writes_memory; bool writes_z; bool writes_stencil; bool writes_sample_mask; bool has_pcoord; bool prim_id_input; bool layer_input; } ps; struct { bool uses_grid_size; bool uses_block_id[3]; bool uses_thread_id[3]; bool uses_local_invocation_idx; } cs; struct { uint64_t outputs_written; uint64_t patch_outputs_written; } tcs; }; struct radv_userdata_info { int8_t sgpr_idx; uint8_t num_sgprs; bool indirect; uint32_t indirect_offset; }; struct radv_userdata_locations { struct radv_userdata_info descriptor_sets[RADV_UD_MAX_SETS]; struct radv_userdata_info shader_data[AC_UD_MAX_UD]; }; 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 radv_shader_variant_info { struct radv_userdata_locations user_sgprs_locs; struct radv_shader_info info; unsigned num_user_sgprs; unsigned num_input_sgprs; unsigned num_input_vgprs; unsigned private_mem_vgprs; bool need_indirect_descriptor_sets; struct { struct { struct radv_vs_output_info outinfo; struct radv_es_output_info es_info; unsigned vgpr_comp_cnt; bool as_es; bool as_ls; } vs; struct { unsigned num_interp; uint32_t input_mask; uint32_t flat_shaded_mask; bool can_discard; bool early_fragment_test; } fs; struct { unsigned block_size[3]; } cs; struct { unsigned vertices_in; unsigned vertices_out; unsigned output_prim; unsigned invocations; unsigned gsvs_vertex_size; unsigned max_gsvs_emit_size; unsigned es_type; /* GFX9: VS or TES */ } gs; struct { unsigned tcs_vertices_out; uint32_t num_patches; uint32_t lds_size; } tcs; struct { 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; } tes; }; }; 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; struct radv_shader_variant_info info; unsigned rsrc1; unsigned rsrc2; /* debug only */ uint32_t *spirv; uint32_t spirv_size; struct nir_shader *nir; char *disasm_string; char *llvm_ir_string; 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); 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); void * radv_alloc_shader_memory(struct radv_device *device, struct radv_shader_variant *shader); void radv_destroy_shader_slabs(struct radv_device *device); struct radv_shader_variant * radv_shader_variant_create(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, void **code_out, unsigned *code_size_out); struct radv_shader_variant * radv_create_gs_copy_shader(struct radv_device *device, struct nir_shader *nir, void **code_out, unsigned *code_size_out, bool multiview); void radv_shader_variant_destroy(struct radv_device *device, struct radv_shader_variant *variant); const char * radv_get_shader_name(struct radv_shader_variant *var, gl_shader_stage stage); void radv_shader_dump_stats(struct radv_device *device, struct radv_shader_variant *variant, gl_shader_stage stage, FILE *file); static inline bool radv_can_dump_shader(struct radv_device *device, struct radv_shader_module *module) { /* Only dump non-meta shaders, useful for debugging purposes. */ return device->instance->debug_flags & RADV_DEBUG_DUMP_SHADERS && module && !module->nir; } static inline bool radv_can_dump_shader_stats(struct radv_device *device, struct radv_shader_module *module) { /* Only dump non-meta shader stats. */ return device->instance->debug_flags & RADV_DEBUG_DUMP_SHADER_STATS && module && !module->nir; } 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; /* 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"); } #endif