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// Copyright 2022 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/function.h"
#include "src/tint/lang/core/ir/clone_context.h"
#include "src/tint/lang/core/ir/module.h"
#include "src/tint/utils/containers/predicates.h"
#include "src/tint/utils/ice/ice.h"
TINT_INSTANTIATE_TYPEINFO(tint::core::ir::Function);
namespace tint::core::ir {
Function::Function() = default;
Function::Function(const core::type::Type* rt,
PipelineStage stage,
std::optional<std::array<uint32_t, 3>> wg_size)
: pipeline_stage_(stage), workgroup_size_(wg_size) {
TINT_ASSERT(rt != nullptr);
return_.type = rt;
}
Function::~Function() = default;
Function* Function::Clone(CloneContext& ctx) {
auto* new_func = ctx.ir.values.Create<Function>(return_.type, pipeline_stage_, workgroup_size_);
new_func->block_ = ctx.ir.blocks.Create<ir::Block>();
new_func->params_ = ctx.Clone<1>(params_.Slice());
new_func->return_.builtin = return_.builtin;
new_func->return_.location = return_.location;
new_func->return_.invariant = return_.invariant;
ctx.Replace(this, new_func);
block_->CloneInto(ctx, new_func->block_);
ctx.ir.SetName(new_func, ctx.ir.NameOf(this).Name());
return new_func;
}
void Function::SetParams(VectorRef<FunctionParam*> params) {
params_ = std::move(params);
TINT_ASSERT(!params_.Any(IsNull));
}
void Function::SetParams(std::initializer_list<FunctionParam*> params) {
params_ = params;
TINT_ASSERT(!params_.Any(IsNull));
}
void Function::Destroy() {
Base::Destroy();
block_->Destroy();
}
std::string_view ToString(Function::PipelineStage value) {
switch (value) {
case Function::PipelineStage::kVertex:
return "vertex";
case Function::PipelineStage::kFragment:
return "fragment";
case Function::PipelineStage::kCompute:
return "compute";
default:
break;
}
return "<unknown>";
}
} // namespace tint::core::ir