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// Copyright 2023 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/core/ir/binary/encode.h"
#include <utility>
#include "src/tint/lang/core/builtin_fn.h"
#include "src/tint/lang/core/builtin_value.h"
#include "src/tint/lang/core/constant/composite.h"
#include "src/tint/lang/core/constant/scalar.h"
#include "src/tint/lang/core/constant/splat.h"
#include "src/tint/lang/core/ir/access.h"
#include "src/tint/lang/core/ir/bitcast.h"
#include "src/tint/lang/core/ir/break_if.h"
#include "src/tint/lang/core/ir/construct.h"
#include "src/tint/lang/core/ir/continue.h"
#include "src/tint/lang/core/ir/convert.h"
#include "src/tint/lang/core/ir/core_binary.h"
#include "src/tint/lang/core/ir/core_builtin_call.h"
#include "src/tint/lang/core/ir/core_unary.h"
#include "src/tint/lang/core/ir/discard.h"
#include "src/tint/lang/core/ir/exit_if.h"
#include "src/tint/lang/core/ir/exit_loop.h"
#include "src/tint/lang/core/ir/exit_switch.h"
#include "src/tint/lang/core/ir/function_param.h"
#include "src/tint/lang/core/ir/if.h"
#include "src/tint/lang/core/ir/let.h"
#include "src/tint/lang/core/ir/load.h"
#include "src/tint/lang/core/ir/load_vector_element.h"
#include "src/tint/lang/core/ir/loop.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/lang/core/ir/multi_in_block.h"
#include "src/tint/lang/core/ir/next_iteration.h"
#include "src/tint/lang/core/ir/return.h"
#include "src/tint/lang/core/ir/store.h"
#include "src/tint/lang/core/ir/store_vector_element.h"
#include "src/tint/lang/core/ir/switch.h"
#include "src/tint/lang/core/ir/swizzle.h"
#include "src/tint/lang/core/ir/unreachable.h"
#include "src/tint/lang/core/ir/user_call.h"
#include "src/tint/lang/core/ir/var.h"
#include "src/tint/lang/core/texel_format.h"
#include "src/tint/lang/core/type/array.h"
#include "src/tint/lang/core/type/bool.h"
#include "src/tint/lang/core/type/depth_multisampled_texture.h"
#include "src/tint/lang/core/type/depth_texture.h"
#include "src/tint/lang/core/type/external_texture.h"
#include "src/tint/lang/core/type/f16.h"
#include "src/tint/lang/core/type/f32.h"
#include "src/tint/lang/core/type/i32.h"
#include "src/tint/lang/core/type/matrix.h"
#include "src/tint/lang/core/type/multisampled_texture.h"
#include "src/tint/lang/core/type/pointer.h"
#include "src/tint/lang/core/type/sampled_texture.h"
#include "src/tint/lang/core/type/sampler.h"
#include "src/tint/lang/core/type/storage_texture.h"
#include "src/tint/lang/core/type/u32.h"
#include "src/tint/lang/core/type/void.h"
#include "src/tint/utils/macros/compiler.h"
#include "src/tint/utils/rtti/switch.h"
TINT_BEGIN_DISABLE_PROTOBUF_WARNINGS();
#include "src/tint/lang/core/ir/binary/ir.pb.h"
TINT_END_DISABLE_PROTOBUF_WARNINGS();
namespace tint::core::ir::binary {
namespace {
struct Encoder {
const Module& mod_in_;
pb::Module& mod_out_;
Hashmap<const core::ir::Function*, uint32_t, 32> functions_{};
Hashmap<const core::ir::Block*, uint32_t, 32> blocks_{};
Hashmap<const core::type::Type*, uint32_t, 32> types_{};
Hashmap<const core::ir::Value*, uint32_t, 32> values_{};
Hashmap<const core::constant::Value*, uint32_t, 32> constant_values_{};
void Encode() {
// Encode all user-declared structures first. This is to ensure that the IR disassembly
// (which prints structure types first) does not reorder after encoding and decoding.
for (auto* ty : mod_in_.Types()) {
if (auto* str = ty->As<core::type::Struct>()) {
Type(str);
}
}
Vector<pb::Function*, 8> fns_out;
for (auto& fn_in : mod_in_.functions) {
uint32_t id = static_cast<uint32_t>(fns_out.Length() + 1);
fns_out.Push(mod_out_.add_functions());
functions_.Add(fn_in, id);
}
for (size_t i = 0, n = mod_in_.functions.Length(); i < n; i++) {
PopulateFunction(fns_out[i], mod_in_.functions[i]);
}
mod_out_.set_root_block(Block(mod_in_.root_block));
}
////////////////////////////////////////////////////////////////////////////
// Functions
////////////////////////////////////////////////////////////////////////////
void PopulateFunction(pb::Function* fn_out, const ir::Function* fn_in) {
if (auto name = mod_in_.NameOf(fn_in)) {
fn_out->set_name(name.Name());
}
fn_out->set_return_type(Type(fn_in->ReturnType()));
if (fn_in->Stage() != Function::PipelineStage::kUndefined) {
fn_out->set_pipeline_stage(PipelineStage(fn_in->Stage()));
}
if (auto wg_size_in = fn_in->WorkgroupSize()) {
auto& wg_size_out = *fn_out->mutable_workgroup_size();
wg_size_out.set_x((*wg_size_in)[0]);
wg_size_out.set_y((*wg_size_in)[1]);
wg_size_out.set_z((*wg_size_in)[2]);
}
for (auto* param_in : fn_in->Params()) {
fn_out->add_parameters(Value(param_in));
}
if (auto ret_loc_in = fn_in->ReturnLocation()) {
auto& ret_loc_out = *fn_out->mutable_return_location();
Location(ret_loc_out, *ret_loc_in);
}
if (auto builtin_in = fn_in->ReturnBuiltin()) {
fn_out->set_return_builtin(BuiltinValue(*builtin_in));
}
if (fn_in->ReturnInvariant()) {
fn_out->set_return_invariant(true);
}
fn_out->set_block(Block(fn_in->Block()));
}
uint32_t Function(const ir::Function* fn_in) { return fn_in ? *functions_.Get(fn_in) : 0; }
pb::PipelineStage PipelineStage(Function::PipelineStage stage) {
switch (stage) {
case Function::PipelineStage::kCompute:
return pb::PipelineStage::Compute;
case Function::PipelineStage::kFragment:
return pb::PipelineStage::Fragment;
case Function::PipelineStage::kVertex:
return pb::PipelineStage::Vertex;
case Function::PipelineStage::kUndefined:
break;
}
TINT_ICE() << "unhandled PipelineStage: " << stage;
return pb::PipelineStage::Compute;
}
////////////////////////////////////////////////////////////////////////////
// Blocks
////////////////////////////////////////////////////////////////////////////
uint32_t Block(const ir::Block* block_in) {
if (block_in == nullptr) {
return 0;
}
return blocks_.GetOrAdd(block_in, [&]() -> uint32_t {
auto& block_out = *mod_out_.add_blocks();
auto id = static_cast<uint32_t>(blocks_.Count());
for (auto* inst : *block_in) {
Instruction(*block_out.add_instructions(), inst);
}
if (auto* mib = block_in->As<ir::MultiInBlock>()) {
block_out.set_is_multi_in(true);
for (auto* param : mib->Params()) {
block_out.add_parameters(Value(param));
}
}
return id;
});
}
////////////////////////////////////////////////////////////////////////////
// Instructions
////////////////////////////////////////////////////////////////////////////
void Instruction(pb::Instruction& inst_out, const ir::Instruction* inst_in) {
tint::Switch(
inst_in, //
[&](const ir::Access* i) { InstructionAccess(*inst_out.mutable_access(), i); },
[&](const ir::Bitcast* i) { InstructionBitcast(*inst_out.mutable_bitcast(), i); },
[&](const ir::BreakIf* i) { InstructionBreakIf(*inst_out.mutable_break_if(), i); },
[&](const ir::CoreBinary* i) { InstructionBinary(*inst_out.mutable_binary(), i); },
[&](const ir::CoreBuiltinCall* i) {
InstructionBuiltinCall(*inst_out.mutable_builtin_call(), i);
},
[&](const ir::CoreUnary* i) { InstructionUnary(*inst_out.mutable_unary(), i); },
[&](const ir::Construct* i) { InstructionConstruct(*inst_out.mutable_construct(), i); },
[&](const ir::Continue* i) { InstructionContinue(*inst_out.mutable_continue_(), i); },
[&](const ir::Convert* i) { InstructionConvert(*inst_out.mutable_convert(), i); },
[&](const ir::Discard* i) { InstructionDiscard(*inst_out.mutable_discard(), i); },
[&](const ir::ExitIf* i) { InstructionExitIf(*inst_out.mutable_exit_if(), i); },
[&](const ir::ExitLoop* i) { InstructionExitLoop(*inst_out.mutable_exit_loop(), i); },
[&](const ir::ExitSwitch* i) {
InstructionExitSwitch(*inst_out.mutable_exit_switch(), i);
},
[&](const ir::If* i) { InstructionIf(*inst_out.mutable_if_(), i); },
[&](const ir::Let* i) { InstructionLet(*inst_out.mutable_let(), i); },
[&](const ir::Load* i) { InstructionLoad(*inst_out.mutable_load(), i); },
[&](const ir::LoadVectorElement* i) {
InstructionLoadVectorElement(*inst_out.mutable_load_vector_element(), i);
},
[&](const ir::Loop* i) { InstructionLoop(*inst_out.mutable_loop(), i); },
[&](const ir::NextIteration* i) {
InstructionNextIteration(*inst_out.mutable_next_iteration(), i);
},
[&](const ir::Return* i) { InstructionReturn(*inst_out.mutable_return_(), i); },
[&](const ir::Store* i) { InstructionStore(*inst_out.mutable_store(), i); },
[&](const ir::StoreVectorElement* i) {
InstructionStoreVectorElement(*inst_out.mutable_store_vector_element(), i);
},
[&](const ir::Switch* i) { InstructionSwitch(*inst_out.mutable_switch_(), i); },
[&](const ir::Swizzle* i) { InstructionSwizzle(*inst_out.mutable_swizzle(), i); },
[&](const ir::UserCall* i) { InstructionUserCall(*inst_out.mutable_user_call(), i); },
[&](const ir::Var* i) { InstructionVar(*inst_out.mutable_var(), i); },
[&](const ir::Unreachable* i) {
InstructionUnreachable(*inst_out.mutable_unreachable(), i);
},
TINT_ICE_ON_NO_MATCH);
for (auto* operand : inst_in->Operands()) {
inst_out.add_operands(Value(operand));
}
for (auto* result : inst_in->Results()) {
inst_out.add_results(Value(result));
}
}
void InstructionAccess(pb::InstructionAccess&, const ir::Access*) {}
void InstructionBinary(pb::InstructionBinary& binary_out, const ir::CoreBinary* binary_in) {
binary_out.set_op(BinaryOp(binary_in->Op()));
}
void InstructionBitcast(pb::InstructionBitcast&, const ir::Bitcast*) {}
void InstructionBreakIf(pb::InstructionBreakIf&, const ir::BreakIf*) {}
void InstructionBuiltinCall(pb::InstructionBuiltinCall& call_out,
const ir::CoreBuiltinCall* call_in) {
call_out.set_builtin(BuiltinFn(call_in->Func()));
}
void InstructionConstruct(pb::InstructionConstruct&, const ir::Construct*) {}
void InstructionContinue(pb::InstructionContinue&, const ir::Continue*) {}
void InstructionConvert(pb::InstructionConvert&, const ir::Convert*) {}
void InstructionIf(pb::InstructionIf& if_out, const ir::If* if_in) {
if (auto* block = if_in->True()) {
if_out.set_true_(Block(block));
}
if (auto* block = if_in->False()) {
if_out.set_false_(Block(block));
}
}
void InstructionDiscard(pb::InstructionDiscard&, const ir::Discard*) {}
void InstructionExitIf(pb::InstructionExitIf&, const ir::ExitIf*) {}
void InstructionExitLoop(pb::InstructionExitLoop&, const ir::ExitLoop*) {}
void InstructionExitSwitch(pb::InstructionExitSwitch&, const ir::ExitSwitch*) {}
void InstructionLet(pb::InstructionLet&, const ir::Let*) {}
void InstructionLoad(pb::InstructionLoad&, const ir::Load*) {}
void InstructionLoadVectorElement(pb::InstructionLoadVectorElement&,
const ir::LoadVectorElement*) {}
void InstructionLoop(pb::InstructionLoop& loop_out, const ir::Loop* loop_in) {
if (loop_in->HasInitializer()) {
loop_out.set_initalizer(Block(loop_in->Initializer()));
}
loop_out.set_body(Block(loop_in->Body()));
if (loop_in->HasContinuing()) {
loop_out.set_continuing(Block(loop_in->Continuing()));
}
}
void InstructionNextIteration(pb::InstructionNextIteration&, const ir::NextIteration*) {}
void InstructionReturn(pb::InstructionReturn&, const ir::Return*) {}
void InstructionStore(pb::InstructionStore&, const ir::Store*) {}
void InstructionStoreVectorElement(pb::InstructionStoreVectorElement&,
const ir::StoreVectorElement*) {}
void InstructionSwizzle(pb::InstructionSwizzle& swizzle_out, const ir::Swizzle* swizzle_in) {
for (auto idx : swizzle_in->Indices()) {
swizzle_out.add_indices(idx);
}
}
void InstructionSwitch(pb::InstructionSwitch& switch_out, const ir::Switch* switch_in) {
for (auto& case_in : switch_in->Cases()) {
auto& case_out = *switch_out.add_cases();
case_out.set_block(Block(case_in.block));
for (auto& selector_in : case_in.selectors) {
if (selector_in.IsDefault()) {
case_out.set_is_default(true);
} else {
case_out.add_selectors(ConstantValue(selector_in.val->Value()));
}
}
}
}
void InstructionUnary(pb::InstructionUnary& unary_out, const ir::CoreUnary* unary_in) {
unary_out.set_op(UnaryOp(unary_in->Op()));
}
void InstructionUserCall(pb::InstructionUserCall&, const ir::UserCall*) {}
void InstructionVar(pb::InstructionVar& var_out, const ir::Var* var_in) {
if (auto bp_in = var_in->BindingPoint()) {
auto& bp_out = *var_out.mutable_binding_point();
BindingPoint(bp_out, *bp_in);
}
}
void InstructionUnreachable(pb::InstructionUnreachable&, const ir::Unreachable*) {}
////////////////////////////////////////////////////////////////////////////
// Types
////////////////////////////////////////////////////////////////////////////
uint32_t Type(const core::type::Type* type_in) {
if (type_in == nullptr) {
return 0;
}
return types_.GetOrAdd(type_in, [&]() -> uint32_t {
pb::Type type_out;
tint::Switch(
type_in, //
[&](const core::type::Void*) { type_out.set_basic(pb::TypeBasic::void_); },
[&](const core::type::Bool*) { type_out.set_basic(pb::TypeBasic::bool_); },
[&](const core::type::I32*) { type_out.set_basic(pb::TypeBasic::i32); },
[&](const core::type::U32*) { type_out.set_basic(pb::TypeBasic::u32); },
[&](const core::type::F32*) { type_out.set_basic(pb::TypeBasic::f32); },
[&](const core::type::F16*) { type_out.set_basic(pb::TypeBasic::f16); },
[&](const core::type::Vector* v) { TypeVector(*type_out.mutable_vector(), v); },
[&](const core::type::Matrix* m) { TypeMatrix(*type_out.mutable_matrix(), m); },
[&](const core::type::Pointer* m) { TypePointer(*type_out.mutable_pointer(), m); },
[&](const core::type::Struct* s) { TypeStruct(*type_out.mutable_struct_(), s); },
[&](const core::type::Atomic* a) { TypeAtomic(*type_out.mutable_atomic(), a); },
[&](const core::type::Array* m) { TypeArray(*type_out.mutable_array(), m); },
[&](const core::type::DepthTexture* t) {
TypeDepthTexture(*type_out.mutable_depth_texture(), t);
},
[&](const core::type::SampledTexture* t) {
TypeSampledTexture(*type_out.mutable_sampled_texture(), t);
},
[&](const core::type::MultisampledTexture* t) {
TypeMultisampledTexture(*type_out.mutable_multisampled_texture(), t);
},
[&](const core::type::DepthMultisampledTexture* t) {
TypeDepthMultisampledTexture(*type_out.mutable_depth_multisampled_texture(), t);
},
[&](const core::type::StorageTexture* t) {
TypeStorageTexture(*type_out.mutable_storage_texture(), t);
},
[&](const core::type::ExternalTexture* t) {
TypeExternalTexture(*type_out.mutable_external_texture(), t);
},
[&](const core::type::Sampler* s) { TypeSampler(*type_out.mutable_sampler(), s); },
TINT_ICE_ON_NO_MATCH);
mod_out_.mutable_types()->Add(std::move(type_out));
return static_cast<uint32_t>(mod_out_.types().size());
});
}
void TypeVector(pb::TypeVector& vector_out, const core::type::Vector* vector_in) {
vector_out.set_width(vector_in->Width());
vector_out.set_element_type(Type(vector_in->type()));
}
void TypeMatrix(pb::TypeMatrix& matrix_out, const core::type::Matrix* matrix_in) {
matrix_out.set_num_columns(matrix_in->columns());
matrix_out.set_num_rows(matrix_in->rows());
matrix_out.set_element_type(Type(matrix_in->type()));
}
void TypePointer(pb::TypePointer& pointer_out, const core::type::Pointer* pointer_in) {
pointer_out.set_address_space(AddressSpace(pointer_in->AddressSpace()));
pointer_out.set_store_type(Type(pointer_in->StoreType()));
pointer_out.set_access(AccessControl(pointer_in->Access()));
}
void TypeStruct(pb::TypeStruct& struct_out, const core::type::Struct* struct_in) {
struct_out.set_name(struct_in->Name().Name());
for (auto* member_in : struct_in->Members()) {
auto& member_out = *struct_out.add_member();
member_out.set_name(member_in->Name().Name());
member_out.set_type(Type(member_in->Type()));
member_out.set_size(member_in->Size());
member_out.set_align(member_in->Align());
auto& attrs_in = member_in->Attributes();
if (attrs_in.location) {
member_out.mutable_attributes()->set_location(*attrs_in.location);
}
if (attrs_in.blend_src) {
member_out.mutable_attributes()->set_blend_src(*attrs_in.blend_src);
}
if (attrs_in.color) {
member_out.mutable_attributes()->set_color(*attrs_in.color);
}
if (attrs_in.builtin) {
member_out.mutable_attributes()->set_builtin(BuiltinValue(*attrs_in.builtin));
}
if (auto& interpolation_in = attrs_in.interpolation) {
auto& interpolation_out = *member_out.mutable_attributes()->mutable_interpolation();
Interpolation(interpolation_out, *interpolation_in);
}
if (attrs_in.invariant) {
member_out.mutable_attributes()->set_invariant(true);
}
}
}
void TypeAtomic(pb::TypeAtomic& atomic_out, const core::type::Atomic* atomic_in) {
atomic_out.set_type(Type(atomic_in->Type()));
}
void TypeArray(pb::TypeArray& array_out, const core::type::Array* array_in) {
array_out.set_element(Type(array_in->ElemType()));
array_out.set_stride(array_in->Stride());
tint::Switch(
array_in->Count(), //
[&](const core::type::ConstantArrayCount* c) { array_out.set_count(c->value); },
[&](const core::type::RuntimeArrayCount*) { array_out.set_count(0); },
TINT_ICE_ON_NO_MATCH);
}
void TypeDepthTexture(pb::TypeDepthTexture& texture_out,
const core::type::DepthTexture* texture_in) {
texture_out.set_dimension(TextureDimension(texture_in->dim()));
}
void TypeSampledTexture(pb::TypeSampledTexture& texture_out,
const core::type::SampledTexture* texture_in) {
texture_out.set_dimension(TextureDimension(texture_in->dim()));
texture_out.set_sub_type(Type(texture_in->type()));
}
void TypeMultisampledTexture(pb::TypeMultisampledTexture& texture_out,
const core::type::MultisampledTexture* texture_in) {
texture_out.set_dimension(TextureDimension(texture_in->dim()));
texture_out.set_sub_type(Type(texture_in->type()));
}
void TypeDepthMultisampledTexture(pb::TypeDepthMultisampledTexture& texture_out,
const core::type::DepthMultisampledTexture* texture_in) {
texture_out.set_dimension(TextureDimension(texture_in->dim()));
}
void TypeStorageTexture(pb::TypeStorageTexture& texture_out,
const core::type::StorageTexture* texture_in) {
texture_out.set_dimension(TextureDimension(texture_in->dim()));
texture_out.set_texel_format(TexelFormat(texture_in->texel_format()));
texture_out.set_access(AccessControl(texture_in->access()));
}
void TypeExternalTexture(pb::TypeExternalTexture&, const core::type::ExternalTexture*) {}
void TypeSampler(pb::TypeSampler& sampler_out, const core::type::Sampler* sampler_in) {
sampler_out.set_kind(SamplerKind(sampler_in->kind()));
}
////////////////////////////////////////////////////////////////////////////
// Values
////////////////////////////////////////////////////////////////////////////
uint32_t Value(const ir::Value* value_in) {
if (!value_in) {
return 0;
}
return values_.GetOrAdd(value_in, [&] {
auto& value_out = *mod_out_.add_values();
auto id = static_cast<uint32_t>(mod_out_.values().size());
tint::Switch(
value_in,
[&](const ir::InstructionResult* v) {
InstructionResult(*value_out.mutable_instruction_result(), v);
},
[&](const ir::FunctionParam* v) {
FunctionParameter(*value_out.mutable_function_parameter(), v);
},
[&](const ir::BlockParam* v) {
BlockParameter(*value_out.mutable_block_parameter(), v);
},
[&](const ir::Function* v) { value_out.set_function(Function(v)); },
[&](const ir::Constant* v) { value_out.set_constant(ConstantValue(v->Value())); },
TINT_ICE_ON_NO_MATCH);
return id;
});
}
void InstructionResult(pb::InstructionResult& res_out, const ir::InstructionResult* res_in) {
res_out.set_type(Type(res_in->Type()));
if (auto name = mod_in_.NameOf(res_in); name.IsValid()) {
res_out.set_name(name.Name());
}
}
void FunctionParameter(pb::FunctionParameter& param_out, const ir::FunctionParam* param_in) {
param_out.set_type(Type(param_in->Type()));
if (auto name = mod_in_.NameOf(param_in); name.IsValid()) {
param_out.set_name(name.Name());
}
if (auto bp_in = param_in->BindingPoint()) {
auto& bp_out = *param_out.mutable_attributes()->mutable_binding_point();
BindingPoint(bp_out, *bp_in);
}
if (auto location_in = param_in->Location()) {
auto& location_out = *param_out.mutable_attributes()->mutable_location();
Location(location_out, *location_in);
}
if (auto builtin_in = param_in->Builtin()) {
param_out.mutable_attributes()->set_builtin(BuiltinValue(*builtin_in));
}
if (param_in->Invariant()) {
param_out.mutable_attributes()->set_invariant(true);
}
}
void BlockParameter(pb::BlockParameter& param_out, const ir::BlockParam* param_in) {
param_out.set_type(Type(param_in->Type()));
if (auto name = mod_in_.NameOf(param_in); name.IsValid()) {
param_out.set_name(name.Name());
}
}
////////////////////////////////////////////////////////////////////////////
// ConstantValues
////////////////////////////////////////////////////////////////////////////
uint32_t ConstantValue(const core::constant::Value* constant_in) {
if (!constant_in) {
return 0;
}
return constant_values_.GetOrAdd(constant_in, [&] {
pb::ConstantValue constant_out;
tint::Switch(
constant_in, //
[&](const core::constant::Scalar<bool>* b) {
constant_out.mutable_scalar()->set_bool_(b->value);
},
[&](const core::constant::Scalar<core::i32>* i32) {
constant_out.mutable_scalar()->set_i32(i32->value);
},
[&](const core::constant::Scalar<core::u32>* u32) {
constant_out.mutable_scalar()->set_u32(u32->value);
},
[&](const core::constant::Scalar<core::f32>* f32) {
constant_out.mutable_scalar()->set_f32(f32->value);
},
[&](const core::constant::Scalar<core::f16>* f16) {
constant_out.mutable_scalar()->set_f16(f16->value);
},
[&](const core::constant::Composite* composite) {
ConstantValueComposite(*constant_out.mutable_composite(), composite);
},
[&](const core::constant::Splat* splat) {
ConstantValueSplat(*constant_out.mutable_splat(), splat);
},
TINT_ICE_ON_NO_MATCH);
mod_out_.mutable_constant_values()->Add(std::move(constant_out));
return static_cast<uint32_t>(mod_out_.constant_values().size());
});
}
void ConstantValueComposite(pb::ConstantValueComposite& composite_out,
const core::constant::Composite* composite_in) {
composite_out.set_type(Type(composite_in->type));
for (auto* el : composite_in->elements) {
composite_out.add_elements(ConstantValue(el));
}
}
void ConstantValueSplat(pb::ConstantValueSplat& splat_out,
const core::constant::Splat* splat_in) {
splat_out.set_type(Type(splat_in->type));
splat_out.set_elements(ConstantValue(splat_in->el));
splat_out.set_count(static_cast<uint32_t>(splat_in->count));
}
////////////////////////////////////////////////////////////////////////////
// Attributes
////////////////////////////////////////////////////////////////////////////
void Location(pb::Location& location_out, const ir::Location& location_in) {
if (auto interpolation_in = location_in.interpolation) {
auto& interpolation_out = *location_out.mutable_interpolation();
Interpolation(interpolation_out, *interpolation_in);
}
location_out.set_value(location_in.value);
}
void Interpolation(pb::Interpolation& interpolation_out,
const core::Interpolation& interpolation_in) {
interpolation_out.set_type(InterpolationType(interpolation_in.type));
if (interpolation_in.sampling != InterpolationSampling::kUndefined) {
interpolation_out.set_sampling(InterpolationSampling(interpolation_in.sampling));
}
}
void BindingPoint(pb::BindingPoint& binding_point_out, const BindingPoint& binding_point_in) {
binding_point_out.set_group(binding_point_in.group);
binding_point_out.set_binding(binding_point_in.binding);
}
////////////////////////////////////////////////////////////////////////////
// Enums
////////////////////////////////////////////////////////////////////////////
pb::AddressSpace AddressSpace(core::AddressSpace in) {
switch (in) {
case core::AddressSpace::kFunction:
return pb::AddressSpace::function;
case core::AddressSpace::kHandle:
return pb::AddressSpace::handle;
case core::AddressSpace::kPixelLocal:
return pb::AddressSpace::pixel_local;
case core::AddressSpace::kPrivate:
return pb::AddressSpace::private_;
case core::AddressSpace::kPushConstant:
return pb::AddressSpace::push_constant;
case core::AddressSpace::kStorage:
return pb::AddressSpace::storage;
case core::AddressSpace::kUniform:
return pb::AddressSpace::uniform;
case core::AddressSpace::kWorkgroup:
return pb::AddressSpace::workgroup;
case core::AddressSpace::kUndefined:
case core::AddressSpace::kIn:
case core::AddressSpace::kOut:
break;
}
TINT_ICE() << "invalid AddressSpace: " << in;
return pb::AddressSpace::function;
}
pb::AccessControl AccessControl(core::Access in) {
switch (in) {
case core::Access::kRead:
return pb::AccessControl::read;
case core::Access::kWrite:
return pb::AccessControl::write;
case core::Access::kReadWrite:
return pb::AccessControl::read_write;
case core::Access::kUndefined:
break;
}
TINT_ICE() << "invalid Access: " << in;
return pb::AccessControl::read;
}
pb::UnaryOp UnaryOp(core::UnaryOp in) {
switch (in) {
case core::UnaryOp::kComplement:
return pb::UnaryOp::complement;
case core::UnaryOp::kNegation:
return pb::UnaryOp::negation;
case core::UnaryOp::kAddressOf:
return pb::UnaryOp::address_of;
case core::UnaryOp::kIndirection:
return pb::UnaryOp::indirection;
case core::UnaryOp::kNot:
return pb::UnaryOp::not_;
}
TINT_ICE() << "invalid UnaryOp: " << in;
return pb::UnaryOp::complement;
}
pb::BinaryOp BinaryOp(core::BinaryOp in) {
switch (in) {
case core::BinaryOp::kAdd:
return pb::BinaryOp::add_;
case core::BinaryOp::kSubtract:
return pb::BinaryOp::subtract;
case core::BinaryOp::kMultiply:
return pb::BinaryOp::multiply;
case core::BinaryOp::kDivide:
return pb::BinaryOp::divide;
case core::BinaryOp::kModulo:
return pb::BinaryOp::modulo;
case core::BinaryOp::kAnd:
return pb::BinaryOp::and_;
case core::BinaryOp::kOr:
return pb::BinaryOp::or_;
case core::BinaryOp::kXor:
return pb::BinaryOp::xor_;
case core::BinaryOp::kEqual:
return pb::BinaryOp::equal;
case core::BinaryOp::kNotEqual:
return pb::BinaryOp::not_equal;
case core::BinaryOp::kLessThan:
return pb::BinaryOp::less_than;
case core::BinaryOp::kGreaterThan:
return pb::BinaryOp::greater_than;
case core::BinaryOp::kLessThanEqual:
return pb::BinaryOp::less_than_equal;
case core::BinaryOp::kGreaterThanEqual:
return pb::BinaryOp::greater_than_equal;
case core::BinaryOp::kShiftLeft:
return pb::BinaryOp::shift_left;
case core::BinaryOp::kShiftRight:
return pb::BinaryOp::shift_right;
case core::BinaryOp::kLogicalAnd:
return pb::BinaryOp::logical_and;
case core::BinaryOp::kLogicalOr:
return pb::BinaryOp::logical_or;
}
TINT_ICE() << "invalid BinaryOp: " << in;
return pb::BinaryOp::add_;
}
pb::TextureDimension TextureDimension(core::type::TextureDimension in) {
switch (in) {
case core::type::TextureDimension::k1d:
return pb::TextureDimension::_1d;
case core::type::TextureDimension::k2d:
return pb::TextureDimension::_2d;
case core::type::TextureDimension::k2dArray:
return pb::TextureDimension::_2d_array;
case core::type::TextureDimension::k3d:
return pb::TextureDimension::_3d;
case core::type::TextureDimension::kCube:
return pb::TextureDimension::cube;
case core::type::TextureDimension::kCubeArray:
return pb::TextureDimension::cube_array;
case core::type::TextureDimension::kNone:
break;
}
TINT_ICE() << "invalid TextureDimension: " << in;
return pb::TextureDimension::_1d;
}
pb::TexelFormat TexelFormat(core::TexelFormat in) {
switch (in) {
case core::TexelFormat::kBgra8Unorm:
return pb::TexelFormat::bgra8_unorm;
case core::TexelFormat::kR32Float:
return pb::TexelFormat::r32_float;
case core::TexelFormat::kR32Sint:
return pb::TexelFormat::r32_sint;
case core::TexelFormat::kR32Uint:
return pb::TexelFormat::r32_uint;
case core::TexelFormat::kR8Unorm:
return pb::TexelFormat::r8_unorm;
case core::TexelFormat::kRg32Float:
return pb::TexelFormat::rg32_float;
case core::TexelFormat::kRg32Sint:
return pb::TexelFormat::rg32_sint;
case core::TexelFormat::kRg32Uint:
return pb::TexelFormat::rg32_uint;
case core::TexelFormat::kRgba16Float:
return pb::TexelFormat::rgba16_float;
case core::TexelFormat::kRgba16Sint:
return pb::TexelFormat::rgba16_sint;
case core::TexelFormat::kRgba16Uint:
return pb::TexelFormat::rgba16_uint;
case core::TexelFormat::kRgba32Float:
return pb::TexelFormat::rgba32_float;
case core::TexelFormat::kRgba32Sint:
return pb::TexelFormat::rgba32_sint;
case core::TexelFormat::kRgba32Uint:
return pb::TexelFormat::rgba32_uint;
case core::TexelFormat::kRgba8Sint:
return pb::TexelFormat::rgba8_sint;
case core::TexelFormat::kRgba8Snorm:
return pb::TexelFormat::rgba8_snorm;
case core::TexelFormat::kRgba8Uint:
return pb::TexelFormat::rgba8_uint;
case core::TexelFormat::kRgba8Unorm:
return pb::TexelFormat::rgba8_unorm;
case core::TexelFormat::kUndefined:
break;
}
TINT_ICE() << "invalid TexelFormat: " << in;
return pb::TexelFormat::bgra8_unorm;
}
pb::SamplerKind SamplerKind(core::type::SamplerKind in) {
switch (in) {
case core::type::SamplerKind::kSampler:
return pb::SamplerKind::sampler;
case core::type::SamplerKind::kComparisonSampler:
return pb::SamplerKind::comparison;
}
TINT_ICE() << "invalid SamplerKind: " << in;
return pb::SamplerKind::sampler;
}
pb::InterpolationType InterpolationType(core::InterpolationType in) {
switch (in) {
case core::InterpolationType::kFlat:
return pb::InterpolationType::flat;
case core::InterpolationType::kLinear:
return pb::InterpolationType::linear;
case core::InterpolationType::kPerspective:
return pb::InterpolationType::perspective;
case core::InterpolationType::kUndefined:
break;
}
TINT_ICE() << "invalid InterpolationType: " << in;
return pb::InterpolationType::flat;
}
pb::InterpolationSampling InterpolationSampling(core::InterpolationSampling in) {
switch (in) {
case core::InterpolationSampling::kCenter:
return pb::InterpolationSampling::center;
case core::InterpolationSampling::kCentroid:
return pb::InterpolationSampling::centroid;
case core::InterpolationSampling::kSample:
return pb::InterpolationSampling::sample;
case core::InterpolationSampling::kUndefined:
break;
}
TINT_ICE() << "invalid InterpolationSampling: " << in;
return pb::InterpolationSampling::center;
}
pb::BuiltinValue BuiltinValue(core::BuiltinValue in) {
switch (in) {
case core::BuiltinValue::kPointSize:
return pb::BuiltinValue::point_size;
case core::BuiltinValue::kFragDepth:
return pb::BuiltinValue::frag_depth;
case core::BuiltinValue::kFrontFacing:
return pb::BuiltinValue::front_facing;
case core::BuiltinValue::kGlobalInvocationId:
return pb::BuiltinValue::global_invocation_id;
case core::BuiltinValue::kInstanceIndex:
return pb::BuiltinValue::instance_index;
case core::BuiltinValue::kLocalInvocationId:
return pb::BuiltinValue::local_invocation_id;
case core::BuiltinValue::kLocalInvocationIndex:
return pb::BuiltinValue::local_invocation_index;
case core::BuiltinValue::kNumWorkgroups:
return pb::BuiltinValue::num_workgroups;
case core::BuiltinValue::kPosition:
return pb::BuiltinValue::position;
case core::BuiltinValue::kSampleIndex:
return pb::BuiltinValue::sample_index;
case core::BuiltinValue::kSampleMask:
return pb::BuiltinValue::sample_mask;
case core::BuiltinValue::kSubgroupInvocationId:
return pb::BuiltinValue::subgroup_invocation_id;
case core::BuiltinValue::kSubgroupSize:
return pb::BuiltinValue::subgroup_size;
case core::BuiltinValue::kVertexIndex:
return pb::BuiltinValue::vertex_index;
case core::BuiltinValue::kWorkgroupId:
return pb::BuiltinValue::workgroup_id;
case core::BuiltinValue::kUndefined:
break;
}
TINT_ICE() << "invalid BuiltinValue: " << in;
return pb::BuiltinValue::point_size;
}
pb::BuiltinFn BuiltinFn(core::BuiltinFn in) {
switch (in) {
case core::BuiltinFn::kAbs:
return pb::BuiltinFn::abs;
case core::BuiltinFn::kAcos:
return pb::BuiltinFn::acos;
case core::BuiltinFn::kAcosh:
return pb::BuiltinFn::acosh;
case core::BuiltinFn::kAll:
return pb::BuiltinFn::all;
case core::BuiltinFn::kAny:
return pb::BuiltinFn::any;
case core::BuiltinFn::kArrayLength:
return pb::BuiltinFn::array_length;
case core::BuiltinFn::kAsin:
return pb::BuiltinFn::asin;
case core::BuiltinFn::kAsinh:
return pb::BuiltinFn::asinh;
case core::BuiltinFn::kAtan:
return pb::BuiltinFn::atan;
case core::BuiltinFn::kAtan2:
return pb::BuiltinFn::atan2;
case core::BuiltinFn::kAtanh:
return pb::BuiltinFn::atanh;
case core::BuiltinFn::kCeil:
return pb::BuiltinFn::ceil;
case core::BuiltinFn::kClamp:
return pb::BuiltinFn::clamp;
case core::BuiltinFn::kCos:
return pb::BuiltinFn::cos;
case core::BuiltinFn::kCosh:
return pb::BuiltinFn::cosh;
case core::BuiltinFn::kCountLeadingZeros:
return pb::BuiltinFn::count_leading_zeros;
case core::BuiltinFn::kCountOneBits:
return pb::BuiltinFn::count_one_bits;
case core::BuiltinFn::kCountTrailingZeros:
return pb::BuiltinFn::count_trailing_zeros;
case core::BuiltinFn::kCross:
return pb::BuiltinFn::cross;
case core::BuiltinFn::kDegrees:
return pb::BuiltinFn::degrees;
case core::BuiltinFn::kDeterminant:
return pb::BuiltinFn::determinant;
case core::BuiltinFn::kDistance:
return pb::BuiltinFn::distance;
case core::BuiltinFn::kDot:
return pb::BuiltinFn::dot;
case core::BuiltinFn::kDot4I8Packed:
return pb::BuiltinFn::dot4i8_packed;
case core::BuiltinFn::kDot4U8Packed:
return pb::BuiltinFn::dot4u8_packed;
case core::BuiltinFn::kDpdx:
return pb::BuiltinFn::dpdx;
case core::BuiltinFn::kDpdxCoarse:
return pb::BuiltinFn::dpdx_coarse;
case core::BuiltinFn::kDpdxFine:
return pb::BuiltinFn::dpdx_fine;
case core::BuiltinFn::kDpdy:
return pb::BuiltinFn::dpdy;
case core::BuiltinFn::kDpdyCoarse:
return pb::BuiltinFn::dpdy_coarse;
case core::BuiltinFn::kDpdyFine:
return pb::BuiltinFn::dpdy_fine;
case core::BuiltinFn::kExp:
return pb::BuiltinFn::exp;
case core::BuiltinFn::kExp2:
return pb::BuiltinFn::exp2;
case core::BuiltinFn::kExtractBits:
return pb::BuiltinFn::extract_bits;
case core::BuiltinFn::kFaceForward:
return pb::BuiltinFn::face_forward;
case core::BuiltinFn::kFirstLeadingBit:
return pb::BuiltinFn::first_leading_bit;
case core::BuiltinFn::kFirstTrailingBit:
return pb::BuiltinFn::first_trailing_bit;
case core::BuiltinFn::kFloor:
return pb::BuiltinFn::floor;
case core::BuiltinFn::kFma:
return pb::BuiltinFn::fma;
case core::BuiltinFn::kFract:
return pb::BuiltinFn::fract;
case core::BuiltinFn::kFrexp:
return pb::BuiltinFn::frexp;
case core::BuiltinFn::kFwidth:
return pb::BuiltinFn::fwidth;
case core::BuiltinFn::kFwidthCoarse:
return pb::BuiltinFn::fwidth_coarse;
case core::BuiltinFn::kFwidthFine:
return pb::BuiltinFn::fwidth_fine;
case core::BuiltinFn::kInsertBits:
return pb::BuiltinFn::insert_bits;
case core::BuiltinFn::kInverseSqrt:
return pb::BuiltinFn::inverse_sqrt;
case core::BuiltinFn::kLdexp:
return pb::BuiltinFn::ldexp;
case core::BuiltinFn::kLength:
return pb::BuiltinFn::length;
case core::BuiltinFn::kLog:
return pb::BuiltinFn::log;
case core::BuiltinFn::kLog2:
return pb::BuiltinFn::log2;
case core::BuiltinFn::kMax:
return pb::BuiltinFn::max;
case core::BuiltinFn::kMin:
return pb::BuiltinFn::min;
case core::BuiltinFn::kMix:
return pb::BuiltinFn::mix;
case core::BuiltinFn::kModf:
return pb::BuiltinFn::modf;
case core::BuiltinFn::kNormalize:
return pb::BuiltinFn::normalize;
case core::BuiltinFn::kPack2X16Float:
return pb::BuiltinFn::pack2x16_float;
case core::BuiltinFn::kPack2X16Snorm:
return pb::BuiltinFn::pack2x16_snorm;
case core::BuiltinFn::kPack2X16Unorm:
return pb::BuiltinFn::pack2x16_unorm;
case core::BuiltinFn::kPack4X8Snorm:
return pb::BuiltinFn::pack4x8_snorm;
case core::BuiltinFn::kPack4X8Unorm:
return pb::BuiltinFn::pack4x8_unorm;
case core::BuiltinFn::kPack4XI8:
return pb::BuiltinFn::pack4xi8;
case core::BuiltinFn::kPack4XU8:
return pb::BuiltinFn::pack4xu8;
case core::BuiltinFn::kPack4XI8Clamp:
return pb::BuiltinFn::pack4xi8_clamp;
case core::BuiltinFn::kPack4XU8Clamp:
return pb::BuiltinFn::pack4xu8_clamp;
case core::BuiltinFn::kPow:
return pb::BuiltinFn::pow;
case core::BuiltinFn::kQuantizeToF16:
return pb::BuiltinFn::quantize_to_f16;
case core::BuiltinFn::kRadians:
return pb::BuiltinFn::radians;
case core::BuiltinFn::kReflect:
return pb::BuiltinFn::reflect;
case core::BuiltinFn::kRefract:
return pb::BuiltinFn::refract;
case core::BuiltinFn::kReverseBits:
return pb::BuiltinFn::reverse_bits;
case core::BuiltinFn::kRound:
return pb::BuiltinFn::round;
case core::BuiltinFn::kSaturate:
return pb::BuiltinFn::saturate;
case core::BuiltinFn::kSelect:
return pb::BuiltinFn::select;
case core::BuiltinFn::kSign:
return pb::BuiltinFn::sign;
case core::BuiltinFn::kSin:
return pb::BuiltinFn::sin;
case core::BuiltinFn::kSinh:
return pb::BuiltinFn::sinh;
case core::BuiltinFn::kSmoothstep:
return pb::BuiltinFn::smoothstep;
case core::BuiltinFn::kSqrt:
return pb::BuiltinFn::sqrt;
case core::BuiltinFn::kStep:
return pb::BuiltinFn::step;
case core::BuiltinFn::kStorageBarrier:
return pb::BuiltinFn::storage_barrier;
case core::BuiltinFn::kTan:
return pb::BuiltinFn::tan;
case core::BuiltinFn::kTanh:
return pb::BuiltinFn::tanh;
case core::BuiltinFn::kTranspose:
return pb::BuiltinFn::transpose;
case core::BuiltinFn::kTrunc:
return pb::BuiltinFn::trunc;
case core::BuiltinFn::kUnpack2X16Float:
return pb::BuiltinFn::unpack2x16_float;
case core::BuiltinFn::kUnpack2X16Snorm:
return pb::BuiltinFn::unpack2x16_snorm;
case core::BuiltinFn::kUnpack2X16Unorm:
return pb::BuiltinFn::unpack2x16_unorm;
case core::BuiltinFn::kUnpack4X8Snorm:
return pb::BuiltinFn::unpack4x8_snorm;
case core::BuiltinFn::kUnpack4X8Unorm:
return pb::BuiltinFn::unpack4x8_unorm;
case core::BuiltinFn::kUnpack4XI8:
return pb::BuiltinFn::unpack4xi8;
case core::BuiltinFn::kUnpack4XU8:
return pb::BuiltinFn::unpack4xu8;
case core::BuiltinFn::kWorkgroupBarrier:
return pb::BuiltinFn::workgroup_barrier;
case core::BuiltinFn::kTextureBarrier:
return pb::BuiltinFn::texture_barrier;
case core::BuiltinFn::kTextureDimensions:
return pb::BuiltinFn::texture_dimensions;
case core::BuiltinFn::kTextureGather:
return pb::BuiltinFn::texture_gather;
case core::BuiltinFn::kTextureGatherCompare:
return pb::BuiltinFn::texture_gather_compare;
case core::BuiltinFn::kTextureNumLayers:
return pb::BuiltinFn::texture_num_layers;
case core::BuiltinFn::kTextureNumLevels:
return pb::BuiltinFn::texture_num_levels;
case core::BuiltinFn::kTextureNumSamples:
return pb::BuiltinFn::texture_num_samples;
case core::BuiltinFn::kTextureSample:
return pb::BuiltinFn::texture_sample;
case core::BuiltinFn::kTextureSampleBias:
return pb::BuiltinFn::texture_sample_bias;
case core::BuiltinFn::kTextureSampleCompare:
return pb::BuiltinFn::texture_sample_compare;
case core::BuiltinFn::kTextureSampleCompareLevel:
return pb::BuiltinFn::texture_sample_compare_level;
case core::BuiltinFn::kTextureSampleGrad:
return pb::BuiltinFn::texture_sample_grad;
case core::BuiltinFn::kTextureSampleLevel:
return pb::BuiltinFn::texture_sample_level;
case core::BuiltinFn::kTextureSampleBaseClampToEdge:
return pb::BuiltinFn::texture_sample_base_clamp_to_edge;
case core::BuiltinFn::kTextureStore:
return pb::BuiltinFn::texture_store;
case core::BuiltinFn::kTextureLoad:
return pb::BuiltinFn::texture_load;
case core::BuiltinFn::kAtomicLoad:
return pb::BuiltinFn::atomic_load;
case core::BuiltinFn::kAtomicStore:
return pb::BuiltinFn::atomic_store;
case core::BuiltinFn::kAtomicAdd:
return pb::BuiltinFn::atomic_add;
case core::BuiltinFn::kAtomicSub:
return pb::BuiltinFn::atomic_sub;
case core::BuiltinFn::kAtomicMax:
return pb::BuiltinFn::atomic_max;
case core::BuiltinFn::kAtomicMin:
return pb::BuiltinFn::atomic_min;
case core::BuiltinFn::kAtomicAnd:
return pb::BuiltinFn::atomic_and;
case core::BuiltinFn::kAtomicOr:
return pb::BuiltinFn::atomic_or;
case core::BuiltinFn::kAtomicXor:
return pb::BuiltinFn::atomic_xor;
case core::BuiltinFn::kAtomicExchange:
return pb::BuiltinFn::atomic_exchange;
case core::BuiltinFn::kAtomicCompareExchangeWeak:
return pb::BuiltinFn::atomic_compare_exchange_weak;
case core::BuiltinFn::kSubgroupBallot:
return pb::BuiltinFn::subgroup_ballot;
case core::BuiltinFn::kSubgroupBroadcast:
return pb::BuiltinFn::subgroup_broadcast;
case core::BuiltinFn::kNone:
break;
}
TINT_ICE() << "invalid BuiltinFn: " << in;
return pb::BuiltinFn::abs;
}
};
} // namespace
Result<Vector<std::byte, 0>> Encode(const Module& mod_in) {
GOOGLE_PROTOBUF_VERIFY_VERSION;
pb::Module mod_out;
Encoder{mod_in, mod_out}.Encode();
Vector<std::byte, 0> buffer;
size_t len = mod_out.ByteSizeLong();
buffer.Resize(len);
if (len > 0) {
if (!mod_out.SerializeToArray(&buffer[0], static_cast<int>(len))) {
return Failure{"failed to serialize protobuf"};
}
}
return buffer;
}
} // namespace tint::core::ir::binary