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spirv: Implement VertexId and InstanceId, refactor code

nce_cpp
ReinUsesLisp 5 years ago
committed by ameerj
parent
8fe0b2388c
commit
5cd8970e73
10 changed files with 244 additions and 144 deletions
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  1. 191
      src/shader_recompiler/backend/spirv/emit_context.cpp
  2. 14
      src/shader_recompiler/backend/spirv/emit_context.h
  3. 107
      src/shader_recompiler/backend/spirv/emit_spirv.cpp
  4. 4
      src/shader_recompiler/backend/spirv/emit_spirv.h
  5. 16
      src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
  6. 46
      src/shader_recompiler/backend/spirv/emit_spirv_memory.cpp
  7. 6
      src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
  8. 1
      src/shader_recompiler/profile.h
  9. 2
      src/shader_recompiler/shader_info.h
  10. 1
      src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

191
src/shader_recompiler/backend/spirv/emit_context.cpp
View File

@ -48,6 +48,25 @@ Id ImageType(EmitContext& ctx, const TextureDescriptor& desc) {
}
throw InvalidArgument("Invalid texture type {}", desc.type);
}
Id DefineVariable(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin,
spv::StorageClass storage_class) {
const Id pointer_type{ctx.TypePointer(storage_class, type)};
const Id id{ctx.AddGlobalVariable(pointer_type, storage_class)};
if (builtin) {
ctx.Decorate(id, spv::Decoration::BuiltIn, *builtin);
}
ctx.interfaces.push_back(id);
return id;
}
Id DefineInput(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin = std::nullopt) {
return DefineVariable(ctx, type, builtin, spv::StorageClass::Input);
}
Id DefineOutput(EmitContext& ctx, Id type, std::optional<spv::BuiltIn> builtin = std::nullopt) {
return DefineVariable(ctx, type, builtin, spv::StorageClass::Output);
}
} // Anonymous namespace
void VectorTypes::Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@ -144,59 +163,8 @@ void EmitContext::DefineCommonConstants() {
}
void EmitContext::DefineInterfaces(const Info& info, Stage stage) {
const auto define{
[this](Id type, std::optional<spv::BuiltIn> builtin, spv::StorageClass storage_class) {
const Id pointer_type{TypePointer(storage_class, type)};
const Id id{AddGlobalVariable(pointer_type, storage_class)};
if (builtin) {
Decorate(id, spv::Decoration::BuiltIn, *builtin);
}
interfaces.push_back(id);
return id;
}};
using namespace std::placeholders;
const auto define_input{std::bind(define, _1, _2, spv::StorageClass::Input)};
const auto define_output{std::bind(define, _1, _2, spv::StorageClass::Output)};
if (info.uses_workgroup_id) {
workgroup_id = define_input(U32[3], spv::BuiltIn::WorkgroupId);
}
if (info.uses_local_invocation_id) {
local_invocation_id = define_input(U32[3], spv::BuiltIn::LocalInvocationId);
}
if (info.loads_position) {
const bool is_fragment{stage != Stage::Fragment};
const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};
input_position = define_input(F32[4], built_in);
}
for (size_t i = 0; i < info.loads_generics.size(); ++i) {
if (info.loads_generics[i]) {
// FIXME: Declare size from input
input_generics[i] = define_input(F32[4], std::nullopt);
Decorate(input_generics[i], spv::Decoration::Location, static_cast<u32>(i));
Name(input_generics[i], fmt::format("in_attr{}", i));
}
}
if (info.stores_position) {
output_position = define_output(F32[4], spv::BuiltIn::Position);
}
for (size_t i = 0; i < info.stores_generics.size(); ++i) {
if (info.stores_generics[i]) {
output_generics[i] = define_output(F32[4], std::nullopt);
Decorate(output_generics[i], spv::Decoration::Location, static_cast<u32>(i));
Name(output_generics[i], fmt::format("out_attr{}", i));
}
}
if (stage == Stage::Fragment) {
for (size_t i = 0; i < 8; ++i) {
if (!info.stores_frag_color[i]) {
continue;
}
frag_color[i] = define_output(F32[4], std::nullopt);
Decorate(frag_color[i], spv::Decoration::Location, static_cast<u32>(i));
Name(frag_color[i], fmt::format("frag_color{}", i));
}
}
DefineInputs(info, stage);
DefineOutputs(info, stage);
}
void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
@ -225,33 +193,6 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
}
}
void EmitContext::DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type,
u32 binding, Id type, char type_char, u32 element_size) {
const Id array_type{TypeArray(type, Constant(U32[1], 65536U / element_size))};
Decorate(array_type, spv::Decoration::ArrayStride, element_size);
const Id struct_type{TypeStruct(array_type)};
Name(struct_type, fmt::format("cbuf_block_{}{}", type_char, element_size * CHAR_BIT));
Decorate(struct_type, spv::Decoration::Block);
MemberName(struct_type, 0, "data");
MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
const Id struct_pointer_type{TypePointer(spv::StorageClass::Uniform, struct_type)};
const Id uniform_type{TypePointer(spv::StorageClass::Uniform, type)};
uniform_types.*member_type = uniform_type;
for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
const Id id{AddGlobalVariable(struct_pointer_type, spv::StorageClass::Uniform)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("c{}", desc.index));
for (size_t i = 0; i < desc.count; ++i) {
cbufs[desc.index + i].*member_type = id;
}
binding += desc.count;
}
}
void EmitContext::DefineStorageBuffers(const Info& info, u32& binding) {
if (info.storage_buffers_descriptors.empty()) {
return;
@ -311,4 +252,94 @@ void EmitContext::DefineLabels(IR::Program& program) {
}
}
void EmitContext::DefineInputs(const Info& info, Stage stage) {
if (info.uses_workgroup_id) {
workgroup_id = DefineInput(*this, U32[3], spv::BuiltIn::WorkgroupId);
}
if (info.uses_local_invocation_id) {
local_invocation_id = DefineInput(*this, U32[3], spv::BuiltIn::LocalInvocationId);
}
if (info.loads_position) {
const bool is_fragment{stage != Stage::Fragment};
const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};
input_position = DefineInput(*this, F32[4], built_in);
}
if (info.loads_instance_id) {
if (profile.support_vertex_instance_id) {
instance_id = DefineInput(*this, U32[1], spv::BuiltIn::InstanceId);
} else {
instance_index = DefineInput(*this, U32[1], spv::BuiltIn::InstanceIndex);
base_instance = DefineInput(*this, U32[1], spv::BuiltIn::BaseInstance);
}
}
if (info.loads_vertex_id) {
if (profile.support_vertex_instance_id) {
vertex_id = DefineInput(*this, U32[1], spv::BuiltIn::VertexId);
} else {
vertex_index = DefineInput(*this, U32[1], spv::BuiltIn::VertexIndex);
base_vertex = DefineInput(*this, U32[1], spv::BuiltIn::BaseVertex);
}
}
for (size_t index = 0; index < info.loads_generics.size(); ++index) {
if (!info.loads_generics[index]) {
continue;
}
// FIXME: Declare size from input
const Id id{DefineInput(*this, F32[4])};
Decorate(id, spv::Decoration::Location, static_cast<u32>(index));
Name(id, fmt::format("in_attr{}", index));
input_generics[index] = id;
}
}
void EmitContext::DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type,
u32 binding, Id type, char type_char, u32 element_size) {
const Id array_type{TypeArray(type, Constant(U32[1], 65536U / element_size))};
Decorate(array_type, spv::Decoration::ArrayStride, element_size);
const Id struct_type{TypeStruct(array_type)};
Name(struct_type, fmt::format("cbuf_block_{}{}", type_char, element_size * CHAR_BIT));
Decorate(struct_type, spv::Decoration::Block);
MemberName(struct_type, 0, "data");
MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
const Id struct_pointer_type{TypePointer(spv::StorageClass::Uniform, struct_type)};
const Id uniform_type{TypePointer(spv::StorageClass::Uniform, type)};
uniform_types.*member_type = uniform_type;
for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
const Id id{AddGlobalVariable(struct_pointer_type, spv::StorageClass::Uniform)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("c{}", desc.index));
for (size_t i = 0; i < desc.count; ++i) {
cbufs[desc.index + i].*member_type = id;
}
binding += desc.count;
}
}
void EmitContext::DefineOutputs(const Info& info, Stage stage) {
if (info.stores_position) {
output_position = DefineOutput(*this, F32[4], spv::BuiltIn::Position);
}
for (size_t i = 0; i < info.stores_generics.size(); ++i) {
if (info.stores_generics[i]) {
output_generics[i] = DefineOutput(*this, F32[4]);
Decorate(output_generics[i], spv::Decoration::Location, static_cast<u32>(i));
Name(output_generics[i], fmt::format("out_attr{}", i));
}
}
if (stage == Stage::Fragment) {
for (size_t i = 0; i < 8; ++i) {
if (!info.stores_frag_color[i]) {
continue;
}
frag_color[i] = DefineOutput(*this, F32[4]);
Decorate(frag_color[i], spv::Decoration::Location, static_cast<u32>(i));
Name(frag_color[i], fmt::format("frag_color{}", i));
}
}
}
} // namespace Shader::Backend::SPIRV

14
src/shader_recompiler/backend/spirv/emit_context.h
View File

@ -82,6 +82,12 @@ public:
Id workgroup_id{};
Id local_invocation_id{};
Id instance_id{};
Id instance_index{};
Id base_instance{};
Id vertex_id{};
Id vertex_index{};
Id base_vertex{};
Id input_position{};
std::array<Id, 32> input_generics{};
@ -99,11 +105,15 @@ private:
void DefineCommonConstants();
void DefineInterfaces(const Info& info, Stage stage);
void DefineConstantBuffers(const Info& info, u32& binding);
void DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type, u32 binding,
Id type, char type_char, u32 element_size);
void DefineStorageBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineLabels(IR::Program& program);
void DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type, u32 binding,
Id type, char type_char, u32 element_size);
void DefineInputs(const Info& info, Stage stage);
void DefineOutputs(const Info& info, Stage stage);
};
} // namespace Shader::Backend::SPIRV

107
src/shader_recompiler/backend/spirv/emit_spirv.cpp
View File

@ -113,6 +113,43 @@ Id TypeId(const EmitContext& ctx, IR::Type type) {
}
}
Id DefineMain(EmitContext& ctx, IR::Program& program) {
const Id void_function{ctx.TypeFunction(ctx.void_id)};
const Id main{ctx.OpFunction(ctx.void_id, spv::FunctionControlMask::MaskNone, void_function)};
for (IR::Block* const block : program.blocks) {
ctx.AddLabel(block->Definition<Id>());
for (IR::Inst& inst : block->Instructions()) {
EmitInst(ctx, &inst);
}
}
ctx.OpFunctionEnd();
return main;
}
void DefineEntryPoint(Environment& env, EmitContext& ctx, Id main) {
const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size());
spv::ExecutionModel execution_model{};
switch (env.ShaderStage()) {
case Shader::Stage::Compute: {
const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
execution_model = spv::ExecutionModel::GLCompute;
ctx.AddExecutionMode(main, spv::ExecutionMode::LocalSize, workgroup_size[0],
workgroup_size[1], workgroup_size[2]);
break;
}
case Shader::Stage::VertexB:
execution_model = spv::ExecutionModel::Vertex;
break;
case Shader::Stage::Fragment:
execution_model = spv::ExecutionModel::Fragment;
ctx.AddExecutionMode(main, spv::ExecutionMode::OriginUpperLeft);
break;
default:
throw NotImplementedException("Stage {}", env.ShaderStage());
}
ctx.AddEntryPoint(execution_model, main, "main", interfaces);
}
void SetupDenormControl(const Profile& profile, const IR::Program& program, EmitContext& ctx,
Id main_func) {
if (!profile.support_float_controls) {
@ -173,6 +210,25 @@ void SetupDenormControl(const Profile& profile, const IR::Program& program, Emit
}
}
void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ctx) {
if (info.uses_sampled_1d) {
ctx.AddCapability(spv::Capability::Sampled1D);
}
if (info.uses_sparse_residency) {
ctx.AddCapability(spv::Capability::SparseResidency);
}
if (info.uses_demote_to_helper_invocation) {
ctx.AddExtension("SPV_EXT_demote_to_helper_invocation");
ctx.AddCapability(spv::Capability::DemoteToHelperInvocationEXT);
}
if (!profile.support_vertex_instance_id && (info.loads_instance_id || info.loads_vertex_id)) {
ctx.AddExtension("SPV_KHR_shader_draw_parameters");
ctx.AddCapability(spv::Capability::DrawParameters);
}
// TODO: Track this usage
ctx.AddCapability(spv::Capability::ImageGatherExtended);
}
Id PhiArgDef(EmitContext& ctx, IR::Inst* inst, size_t index) {
// Phi nodes can have forward declarations, if an argument is not defined provide a forward
// declaration of it. Invoke will take care of giving it the right definition when it's
@ -202,53 +258,10 @@ Id PhiArgDef(EmitContext& ctx, IR::Inst* inst, size_t index) {
std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program& program,
u32& binding) {
EmitContext ctx{profile, program, binding};
const Id void_function{ctx.TypeFunction(ctx.void_id)};
const Id func{ctx.OpFunction(ctx.void_id, spv::FunctionControlMask::MaskNone, void_function)};
for (IR::Block* const block : program.blocks) {
ctx.AddLabel(block->Definition<Id>());
for (IR::Inst& inst : block->Instructions()) {
EmitInst(ctx, &inst);
}
}
ctx.OpFunctionEnd();
const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size());
spv::ExecutionModel execution_model{};
switch (env.ShaderStage()) {
case Shader::Stage::Compute: {
const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
execution_model = spv::ExecutionModel::GLCompute;
ctx.AddExecutionMode(func, spv::ExecutionMode::LocalSize, workgroup_size[0],
workgroup_size[1], workgroup_size[2]);
break;
}
case Shader::Stage::VertexB:
execution_model = spv::ExecutionModel::Vertex;
break;
case Shader::Stage::Fragment:
execution_model = spv::ExecutionModel::Fragment;
ctx.AddExecutionMode(func, spv::ExecutionMode::OriginUpperLeft);
break;
default:
throw NotImplementedException("Stage {}", env.ShaderStage());
}
ctx.AddEntryPoint(execution_model, func, "main", interfaces);
SetupDenormControl(profile, program, ctx, func);
const Info& info{program.info};
if (info.uses_sampled_1d) {
ctx.AddCapability(spv::Capability::Sampled1D);
}
if (info.uses_sparse_residency) {
ctx.AddCapability(spv::Capability::SparseResidency);
}
if (info.uses_demote_to_helper_invocation) {
ctx.AddExtension("SPV_EXT_demote_to_helper_invocation");
ctx.AddCapability(spv::Capability::DemoteToHelperInvocationEXT);
}
// TODO: Track this usage
ctx.AddCapability(spv::Capability::ImageGatherExtended);
const Id main{DefineMain(ctx, program)};
DefineEntryPoint(env, ctx, main);
SetupDenormControl(profile, program, ctx, main);
SetupCapabilities(profile, program.info, ctx);
return ctx.Assemble();
}

4
src/shader_recompiler/backend/spirv/emit_spirv.h
View File

@ -81,8 +81,8 @@ void EmitLoadStorageS8(EmitContext& ctx);
void EmitLoadStorageU16(EmitContext& ctx);
void EmitLoadStorageS16(EmitContext& ctx);
Id EmitLoadStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitLoadStorage64(EmitContext& ctx);
void EmitLoadStorage128(EmitContext& ctx);
Id EmitLoadStorage64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitLoadStorage128(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitWriteStorageU8(EmitContext& ctx);
void EmitWriteStorageS8(EmitContext& ctx);
void EmitWriteStorageU16(EmitContext& ctx);

16
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View File

@ -19,6 +19,10 @@ Id InputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
return ctx.OpAccessChain(ctx.input_f32, ctx.input_position, element_id());
case IR::Attribute::InstanceId:
return ctx.OpLoad(ctx.U32[1], ctx.instance_id);
case IR::Attribute::VertexId:
return ctx.OpLoad(ctx.U32[1], ctx.vertex_id);
default:
throw NotImplementedException("Read attribute {}", attr);
}
@ -125,6 +129,18 @@ Id EmitGetCbufU64(EmitContext& ctx, const IR::Value& binding, const IR::Value& o
}
Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr) {
if (!ctx.profile.support_vertex_instance_id) {
switch (attr) {
case IR::Attribute::InstanceId:
return ctx.OpISub(ctx.U32[1], ctx.OpLoad(ctx.U32[1], ctx.instance_index),
ctx.OpLoad(ctx.U32[1], ctx.base_instance));
case IR::Attribute::VertexId:
return ctx.OpISub(ctx.U32[1], ctx.OpLoad(ctx.U32[1], ctx.vertex_index),
ctx.OpLoad(ctx.U32[1], ctx.base_vertex));
default:
break;
}
}
return ctx.OpLoad(ctx.F32[1], InputAttrPointer(ctx, attr));
}

46
src/shader_recompiler/backend/spirv/emit_spirv_memory.cpp
View File

@ -7,8 +7,8 @@
#include "shader_recompiler/backend/spirv/emit_spirv.h"
namespace Shader::Backend::SPIRV {
static Id StorageIndex(EmitContext& ctx, const IR::Value& offset, size_t element_size) {
namespace {
Id StorageIndex(EmitContext& ctx, const IR::Value& offset, size_t element_size) {
if (offset.IsImmediate()) {
const u32 imm_offset{static_cast<u32>(offset.U32() / element_size)};
return ctx.Constant(ctx.U32[1], imm_offset);
@ -22,6 +22,32 @@ static Id StorageIndex(EmitContext& ctx, const IR::Value& offset, size_t element
return ctx.OpShiftRightLogical(ctx.U32[1], index, shift_id);
}
Id EmitLoadStorage(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset,
u32 num_components) {
// TODO: Support reinterpreting bindings, guaranteed to be aligned
if (!binding.IsImmediate()) {
throw NotImplementedException("Dynamic storage buffer indexing");
}
const Id ssbo{ctx.ssbos[binding.U32()]};
const Id base_index{StorageIndex(ctx, offset, sizeof(u32))};
std::array<Id, 4> components;
for (u32 element = 0; element < num_components; ++element) {
Id index{base_index};
if (element > 0) {
index = ctx.OpIAdd(ctx.U32[1], base_index, ctx.Constant(ctx.U32[1], element));
}
const Id pointer{ctx.OpAccessChain(ctx.storage_u32, ssbo, ctx.u32_zero_value, index)};
components[element] = ctx.OpLoad(ctx.U32[1], pointer);
}
if (num_components == 1) {
return components[0];
} else {
const std::span components_span(components.data(), num_components);
return ctx.OpCompositeConstruct(ctx.U32[num_components], components_span);
}
}
} // Anonymous namespace
void EmitLoadGlobalU8(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
@ -95,21 +121,15 @@ void EmitLoadStorageS16(EmitContext&) {
}
Id EmitLoadStorage32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
if (!binding.IsImmediate()) {
throw NotImplementedException("Dynamic storage buffer indexing");
}
const Id ssbo{ctx.ssbos[binding.U32()]};
const Id index{StorageIndex(ctx, offset, sizeof(u32))};
const Id pointer{ctx.OpAccessChain(ctx.storage_u32, ssbo, ctx.u32_zero_value, index)};
return ctx.OpLoad(ctx.U32[1], pointer);
return EmitLoadStorage(ctx, binding, offset, 1);
}
void EmitLoadStorage64(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitLoadStorage64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return EmitLoadStorage(ctx, binding, offset, 2);
}
void EmitLoadStorage128(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
Id EmitLoadStorage128(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return EmitLoadStorage(ctx, binding, offset, 4);
}
void EmitWriteStorageU8(EmitContext&) {

6
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
View File

@ -38,6 +38,12 @@ void GetAttribute(Info& info, IR::Attribute attribute) {
case IR::Attribute::PositionW:
info.loads_position = true;
break;
case IR::Attribute::InstanceId:
info.loads_instance_id = true;
break;
case IR::Attribute::VertexId:
info.loads_vertex_id = true;
break;
default:
throw NotImplementedException("Get attribute {}", attribute);
}

1
src/shader_recompiler/profile.h
View File

@ -8,6 +8,7 @@ namespace Shader {
struct Profile {
bool unified_descriptor_binding{};
bool support_vertex_instance_id{};
bool support_float_controls{};
bool support_separate_denorm_behavior{};
bool support_separate_rounding_mode{};

2
src/shader_recompiler/shader_info.h
View File

@ -59,6 +59,8 @@ struct Info {
std::array<bool, 32> loads_generics{};
bool loads_position{};
bool loads_instance_id{};
bool loads_vertex_id{};
std::array<bool, 8> stores_frag_color{};
bool stores_frag_depth{};

1
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
View File

@ -230,6 +230,7 @@ PipelineCache::PipelineCache(RasterizerVulkan& rasterizer_, Tegra::GPU& gpu_,
const VkDriverIdKHR driver_id{device.GetDriverID()};
profile = Shader::Profile{
.unified_descriptor_binding = true,
.support_vertex_instance_id = false,
.support_float_controls = true,
.support_separate_denorm_behavior = float_control.denormBehaviorIndependence ==
VK_SHADER_FLOAT_CONTROLS_INDEPENDENCE_ALL_KHR,

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