From: Jason Ekstrand Date: Thu, 18 Apr 2019 17:08:57 +0000 (-0500) Subject: anv/nir: Add a central helper for figuring out SSBO address formats X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9ce7c29724082431ed23ced9ec9130bb62c370d2;p=mesa.git anv/nir: Add a central helper for figuring out SSBO address formats Reviewed-by: Caio Marcelo de Oliveira Filho --- diff --git a/src/intel/vulkan/anv_nir.h b/src/intel/vulkan/anv_nir.h index dd6c89529ac..c132264b299 100644 --- a/src/intel/vulkan/anv_nir.h +++ b/src/intel/vulkan/anv_nir.h @@ -40,6 +40,20 @@ bool anv_nir_lower_multiview(nir_shader *shader, uint32_t view_mask); bool anv_nir_lower_ycbcr_textures(nir_shader *shader, struct anv_pipeline_layout *layout); +static inline nir_address_format +anv_nir_ssbo_addr_format(const struct anv_physical_device *pdevice, + bool robust_buffer_access) +{ + if (pdevice->has_a64_buffer_access) { + if (robust_buffer_access) + return nir_address_format_64bit_bounded_global; + else + return nir_address_format_64bit_global; + } else { + return nir_address_format_32bit_index_offset; + } +} + void anv_nir_apply_pipeline_layout(const struct anv_physical_device *pdevice, bool robust_buffer_access, struct anv_pipeline_layout *layout, diff --git a/src/intel/vulkan/anv_nir_apply_pipeline_layout.c b/src/intel/vulkan/anv_nir_apply_pipeline_layout.c index 23b1cb72098..3d9ba5c3ecd 100644 --- a/src/intel/vulkan/anv_nir_apply_pipeline_layout.c +++ b/src/intel/vulkan/anv_nir_apply_pipeline_layout.c @@ -41,6 +41,7 @@ struct apply_pipeline_layout_state { struct anv_pipeline_layout *layout; bool add_bounds_checks; + nir_address_format ssbo_addr_format; /* Place to flag lowered instructions so we don't lower them twice */ struct set *lowered_instrs; @@ -338,6 +339,15 @@ lower_direct_buffer_access(nir_function_impl *impl, } } +static nir_address_format +desc_addr_format(VkDescriptorType desc_type, + struct apply_pipeline_layout_state *state) +{ + return (desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER || + desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) ? + state->ssbo_addr_format : nir_address_format_32bit_index_offset; +} + static void lower_res_index_intrinsic(nir_intrinsic_instr *intrin, struct apply_pipeline_layout_state *state) @@ -383,7 +393,8 @@ lower_res_index_intrinsic(nir_intrinsic_instr *intrin, dynamic_offset_index; if (state->add_bounds_checks) { - /* We're using nir_address_format_64bit_bounded_global */ + assert(desc_addr_format(desc_type, state) == + nir_address_format_64bit_bounded_global); assert(intrin->dest.ssa.num_components == 4); assert(intrin->dest.ssa.bit_size == 32); index = nir_vec4(b, nir_imm_int(b, desc_offset), @@ -391,7 +402,8 @@ lower_res_index_intrinsic(nir_intrinsic_instr *intrin, nir_imm_int(b, array_size - 1), nir_ssa_undef(b, 1, 32)); } else { - /* We're using nir_address_format_64bit_global */ + assert(desc_addr_format(desc_type, state) == + nir_address_format_64bit_global); assert(intrin->dest.ssa.num_components == 1); assert(intrin->dest.ssa.bit_size == 64); index = nir_pack_64_2x32_split(b, nir_imm_int(b, desc_offset), @@ -399,15 +411,17 @@ lower_res_index_intrinsic(nir_intrinsic_instr *intrin, } } else if (bind_layout->data & ANV_DESCRIPTOR_INLINE_UNIFORM) { /* This is an inline uniform block. Just reference the descriptor set - * and use the descriptor offset as the base. Inline uniforms always - * use nir_address_format_32bit_index_offset + * and use the descriptor offset as the base. */ + assert(desc_addr_format(desc_type, state) == + nir_address_format_32bit_index_offset); assert(intrin->dest.ssa.num_components == 2); assert(intrin->dest.ssa.bit_size == 32); index = nir_imm_ivec2(b, state->set[set].desc_offset, bind_layout->descriptor_offset); } else { - /* We're using nir_address_format_32bit_index_offset */ + assert(desc_addr_format(desc_type, state) == + nir_address_format_32bit_index_offset); assert(intrin->dest.ssa.num_components == 2); assert(intrin->dest.ssa.bit_size == 32); index = nir_vec2(b, nir_iadd_imm(b, array_index, surface_index), @@ -438,32 +452,37 @@ lower_res_reindex_intrinsic(nir_intrinsic_instr *intrin, nir_ssa_def *offset = intrin->src[1].ssa; nir_ssa_def *new_index; - if (state->pdevice->has_a64_buffer_access && - (desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER || - desc_type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC)) { - if (state->add_bounds_checks) { - /* We're using nir_address_format_64bit_bounded_global */ - assert(intrin->dest.ssa.num_components == 4); - assert(intrin->dest.ssa.bit_size == 32); - new_index = nir_vec4(b, nir_channel(b, old_index, 0), - nir_iadd(b, nir_channel(b, old_index, 1), - offset), - nir_channel(b, old_index, 2), - nir_ssa_undef(b, 1, 32)); - } else { - /* We're using nir_address_format_64bit_global */ - assert(intrin->dest.ssa.num_components == 1); - assert(intrin->dest.ssa.bit_size == 64); - nir_ssa_def *base = nir_unpack_64_2x32_split_x(b, old_index); - nir_ssa_def *arr_idx = nir_unpack_64_2x32_split_y(b, old_index); - new_index = nir_pack_64_2x32_split(b, base, nir_iadd(b, arr_idx, offset)); - } - } else { - /* We're using nir_address_format_32bit_index_offset */ + switch (desc_addr_format(desc_type, state)) { + case nir_address_format_64bit_bounded_global: + /* See also lower_res_index_intrinsic() */ + assert(intrin->dest.ssa.num_components == 4); + assert(intrin->dest.ssa.bit_size == 32); + new_index = nir_vec4(b, nir_channel(b, old_index, 0), + nir_iadd(b, nir_channel(b, old_index, 1), + offset), + nir_channel(b, old_index, 2), + nir_ssa_undef(b, 1, 32)); + break; + + case nir_address_format_64bit_global: { + /* See also lower_res_index_intrinsic() */ + assert(intrin->dest.ssa.num_components == 1); + assert(intrin->dest.ssa.bit_size == 64); + nir_ssa_def *base = nir_unpack_64_2x32_split_x(b, old_index); + nir_ssa_def *arr_idx = nir_unpack_64_2x32_split_y(b, old_index); + new_index = nir_pack_64_2x32_split(b, base, nir_iadd(b, arr_idx, offset)); + break; + } + + case nir_address_format_32bit_index_offset: assert(intrin->dest.ssa.num_components == 2); assert(intrin->dest.ssa.bit_size == 32); new_index = nir_vec2(b, nir_iadd(b, nir_channel(b, old_index, 0), offset), nir_channel(b, old_index, 1)); + break; + + default: + unreachable("Uhandled address format"); } assert(intrin->dest.is_ssa); @@ -479,14 +498,22 @@ build_ssbo_descriptor_load(const VkDescriptorType desc_type, nir_builder *b = &state->builder; nir_ssa_def *desc_offset, *array_index; - if (state->add_bounds_checks) { - /* We're using nir_address_format_64bit_bounded_global */ + switch (state->ssbo_addr_format) { + case nir_address_format_64bit_bounded_global: + /* See also lower_res_index_intrinsic() */ desc_offset = nir_channel(b, index, 0); array_index = nir_umin(b, nir_channel(b, index, 1), nir_channel(b, index, 2)); - } else { + break; + + case nir_address_format_64bit_global: + /* See also lower_res_index_intrinsic() */ desc_offset = nir_unpack_64_2x32_split_x(b, index); array_index = nir_unpack_64_2x32_split_y(b, index); + break; + + default: + unreachable("Unhandled address format for SSBO"); } /* The desc_offset is actually 16.8.8 */ @@ -541,14 +568,22 @@ lower_load_vulkan_descriptor(nir_intrinsic_instr *intrin, * dynamic offset. */ nir_ssa_def *desc_offset, *array_index; - if (state->add_bounds_checks) { - /* We're using nir_address_format_64bit_bounded_global */ + switch (state->ssbo_addr_format) { + case nir_address_format_64bit_bounded_global: + /* See also lower_res_index_intrinsic() */ desc_offset = nir_channel(b, index, 0); array_index = nir_umin(b, nir_channel(b, index, 1), nir_channel(b, index, 2)); - } else { + break; + + case nir_address_format_64bit_global: + /* See also lower_res_index_intrinsic() */ desc_offset = nir_unpack_64_2x32_split_x(b, index); array_index = nir_unpack_64_2x32_split_y(b, index); + break; + + default: + unreachable("Unhandled address format for SSBO"); } nir_ssa_def *dyn_offset_base = @@ -573,11 +608,10 @@ lower_load_vulkan_descriptor(nir_intrinsic_instr *intrin, nir_bcsel(b, nir_ieq(b, dyn_offset_base, nir_imm_int(b, 0xff)), nir_imm_int(b, 0), &dyn_load->dest.ssa); - if (state->add_bounds_checks) { + switch (state->ssbo_addr_format) { + case nir_address_format_64bit_bounded_global: { /* The dynamic offset gets added to the base pointer so that we * have a sliding window range. - * - * We're using nir_address_format_64bit_bounded_global. */ nir_ssa_def *base_ptr = nir_pack_64_2x32(b, nir_channels(b, desc, 0x3)); @@ -586,9 +620,15 @@ lower_load_vulkan_descriptor(nir_intrinsic_instr *intrin, nir_unpack_64_2x32_split_y(b, base_ptr), nir_channel(b, desc, 2), nir_channel(b, desc, 3)); - } else { - /* We're using nir_address_format_64bit_global */ + break; + } + + case nir_address_format_64bit_global: desc = nir_iadd(b, desc, nir_u2u64(b, dynamic_offset)); + break; + + default: + unreachable("Unhandled address format for SSBO"); } } } else { @@ -967,6 +1007,7 @@ anv_nir_apply_pipeline_layout(const struct anv_physical_device *pdevice, .shader = shader, .layout = layout, .add_bounds_checks = robust_buffer_access, + .ssbo_addr_format = anv_nir_ssbo_addr_format(pdevice, robust_buffer_access), .lowered_instrs = _mesa_pointer_set_create(mem_ctx), .dynamic_offset_uniform_start = -1, }; diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c index 64d4d93803c..20eab548fb2 100644 --- a/src/intel/vulkan/anv_pipeline.c +++ b/src/intel/vulkan/anv_pipeline.c @@ -134,6 +134,8 @@ anv_shader_compile_to_nir(struct anv_device *device, } } + nir_address_format ssbo_addr_format = + anv_nir_ssbo_addr_format(pdevice, device->robust_buffer_access); struct spirv_to_nir_options spirv_options = { .lower_workgroup_access_to_offsets = true, .caps = { @@ -169,19 +171,12 @@ anv_shader_compile_to_nir(struct anv_device *device, .variable_pointers = true, }, .ubo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT, 2), + .ssbo_ptr_type = nir_address_format_to_glsl_type(ssbo_addr_format), .phys_ssbo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT64, 1), .push_const_ptr_type = glsl_uint_type(), .shared_ptr_type = glsl_uint_type(), }; - if (pdevice->has_a64_buffer_access) { - if (device->robust_buffer_access) - spirv_options.ssbo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT, 4); - else - spirv_options.ssbo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT64, 1); - } else { - spirv_options.ssbo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT, 2); - } nir_function *entry_point = spirv_to_nir(spirv, module->size / 4, @@ -626,18 +621,9 @@ anv_pipeline_lower_nir(struct anv_pipeline *pipeline, NIR_PASS_V(nir, nir_lower_explicit_io, nir_var_mem_ubo, nir_address_format_32bit_index_offset); - - nir_address_format ssbo_address_format; - if (pdevice->has_a64_buffer_access) { - if (pipeline->device->robust_buffer_access) - ssbo_address_format = nir_address_format_64bit_bounded_global; - else - ssbo_address_format = nir_address_format_64bit_global; - } else { - ssbo_address_format = nir_address_format_32bit_index_offset; - } NIR_PASS_V(nir, nir_lower_explicit_io, nir_var_mem_ssbo, - ssbo_address_format); + anv_nir_ssbo_addr_format(pdevice, + pipeline->device->robust_buffer_access)); NIR_PASS_V(nir, nir_opt_constant_folding);