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https://github.com/encounter/dawn-cmake.git
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a2eb8c52b2
This CL adds generation of the input/output structures for entry points. Bug: tint:8 Change-Id: I93942496bcea0a2eea944e5e1cd0baf383530f5e Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/24721 Reviewed-by: David Neto <dneto@google.com>
426 lines
14 KiB
C++
426 lines
14 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "gtest/gtest.h"
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#include "src/ast/assignment_statement.h"
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#include "src/ast/decorated_variable.h"
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#include "src/ast/entry_point.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/location_decoration.h"
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#include "src/ast/module.h"
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#include "src/ast/type/f32_type.h"
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#include "src/ast/type/i32_type.h"
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#include "src/ast/variable.h"
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#include "src/context.h"
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#include "src/type_determiner.h"
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#include "src/writer/msl/generator_impl.h"
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namespace tint {
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namespace writer {
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namespace msl {
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namespace {
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using MslGeneratorImplTest = testing::Test;
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TEST_F(MslGeneratorImplTest, EmitEntryPoint_Vertex_Input) {
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// [[location 0]] var<in> foo : f32;
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// [[location 1]] var<in> bar : i32;
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//
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// struct vtx_main_in {
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// float foo [[attribute(0)]];
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// int bar [[attribute(1)]];
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// };
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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auto foo_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32));
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(0));
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foo_var->set_decorations(std::move(decos));
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auto bar_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("bar", ast::StorageClass::kInput, &i32));
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decos.push_back(std::make_unique<ast::LocationDecoration>(1));
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bar_var->set_decorations(std::move(decos));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(foo_var.get());
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td.RegisterVariableForTesting(bar_var.get());
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mod.AddGlobalVariable(std::move(foo_var));
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mod.AddGlobalVariable(std::move(bar_var));
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ast::VariableList params;
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auto func =
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std::make_unique<ast::Function>("vtx_main", std::move(params), &f32);
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ast::StatementList body;
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("foo"),
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std::make_unique<ast::IdentifierExpression>("foo")));
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("bar"),
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std::make_unique<ast::IdentifierExpression>("bar")));
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func->set_body(std::move(body));
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mod.AddFunction(std::move(func));
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auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kVertex,
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"main", "vtx_main");
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auto* ep_ptr = ep.get();
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mod.AddEntryPoint(std::move(ep));
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ASSERT_TRUE(td.Determine()) << td.error();
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GeneratorImpl g;
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g.set_module_for_testing(&mod);
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ASSERT_TRUE(g.EmitEntryPoint(ep_ptr)) << g.error();
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EXPECT_EQ(g.result(), R"(struct vtx_main_in {
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float foo [[attribute(0)]];
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int bar [[attribute(1)]];
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};
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)");
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}
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TEST_F(MslGeneratorImplTest, EmitEntryPoint_Vertex_Output) {
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// [[location 0]] var<out> foo : f32;
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// [[location 1]] var<out> bar : i32;
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//
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// struct vtx_main_out {
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// float foo [[user(locn0)]];
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// int bar [[user(locn1)]];
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// };
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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auto foo_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("foo", ast::StorageClass::kOutput, &f32));
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(0));
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foo_var->set_decorations(std::move(decos));
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auto bar_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &i32));
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decos.push_back(std::make_unique<ast::LocationDecoration>(1));
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bar_var->set_decorations(std::move(decos));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(foo_var.get());
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td.RegisterVariableForTesting(bar_var.get());
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mod.AddGlobalVariable(std::move(foo_var));
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mod.AddGlobalVariable(std::move(bar_var));
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ast::VariableList params;
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auto func =
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std::make_unique<ast::Function>("vtx_main", std::move(params), &f32);
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ast::StatementList body;
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("foo"),
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std::make_unique<ast::IdentifierExpression>("foo")));
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("bar"),
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std::make_unique<ast::IdentifierExpression>("bar")));
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func->set_body(std::move(body));
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mod.AddFunction(std::move(func));
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auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kVertex,
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"main", "vtx_main");
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auto* ep_ptr = ep.get();
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mod.AddEntryPoint(std::move(ep));
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ASSERT_TRUE(td.Determine()) << td.error();
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GeneratorImpl g;
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g.set_module_for_testing(&mod);
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ASSERT_TRUE(g.EmitEntryPoint(ep_ptr)) << g.error();
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EXPECT_EQ(g.result(), R"(struct vtx_main_out {
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float foo [[user(locn0)]];
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int bar [[user(locn1)]];
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};
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)");
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}
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TEST_F(MslGeneratorImplTest, EmitEntryPoint_Fragment_Input) {
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// [[location 0]] var<in> foo : f32;
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// [[location 1]] var<in> bar : i32;
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//
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// struct frag_main_in {
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// float foo [[user(locn0)]];
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// int bar [[user(locn1)]];
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// };
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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auto foo_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32));
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(0));
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foo_var->set_decorations(std::move(decos));
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auto bar_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("bar", ast::StorageClass::kInput, &i32));
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decos.push_back(std::make_unique<ast::LocationDecoration>(1));
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bar_var->set_decorations(std::move(decos));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(foo_var.get());
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td.RegisterVariableForTesting(bar_var.get());
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mod.AddGlobalVariable(std::move(foo_var));
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mod.AddGlobalVariable(std::move(bar_var));
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ast::VariableList params;
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auto func =
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std::make_unique<ast::Function>("frag_main", std::move(params), &f32);
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ast::StatementList body;
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("foo"),
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std::make_unique<ast::IdentifierExpression>("foo")));
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("bar"),
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std::make_unique<ast::IdentifierExpression>("bar")));
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func->set_body(std::move(body));
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mod.AddFunction(std::move(func));
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auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
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"main", "frag_main");
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auto* ep_ptr = ep.get();
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mod.AddEntryPoint(std::move(ep));
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ASSERT_TRUE(td.Determine()) << td.error();
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GeneratorImpl g;
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g.set_module_for_testing(&mod);
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ASSERT_TRUE(g.EmitEntryPoint(ep_ptr)) << g.error();
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EXPECT_EQ(g.result(), R"(struct frag_main_in {
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float foo [[user(locn0)]];
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int bar [[user(locn1)]];
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};
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)");
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}
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TEST_F(MslGeneratorImplTest, EmitEntryPoint_Fragment_Output) {
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// [[location 0]] var<out> foo : f32;
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// [[location 1]] var<out> bar : i32;
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//
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// struct frag_main_out {
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// float foo [[color(0)]];
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// int bar [[color(1)]];
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// };
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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auto foo_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("foo", ast::StorageClass::kOutput, &f32));
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(0));
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foo_var->set_decorations(std::move(decos));
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auto bar_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &i32));
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decos.push_back(std::make_unique<ast::LocationDecoration>(1));
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bar_var->set_decorations(std::move(decos));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(foo_var.get());
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td.RegisterVariableForTesting(bar_var.get());
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mod.AddGlobalVariable(std::move(foo_var));
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mod.AddGlobalVariable(std::move(bar_var));
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ast::VariableList params;
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auto func =
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std::make_unique<ast::Function>("frag_main", std::move(params), &f32);
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ast::StatementList body;
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("foo"),
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std::make_unique<ast::IdentifierExpression>("foo")));
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("bar"),
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std::make_unique<ast::IdentifierExpression>("bar")));
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func->set_body(std::move(body));
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mod.AddFunction(std::move(func));
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auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
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"main", "frag_main");
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auto* ep_ptr = ep.get();
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mod.AddEntryPoint(std::move(ep));
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ASSERT_TRUE(td.Determine()) << td.error();
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GeneratorImpl g;
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g.set_module_for_testing(&mod);
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ASSERT_TRUE(g.EmitEntryPoint(ep_ptr)) << g.error();
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EXPECT_EQ(g.result(), R"(struct frag_main_out {
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float foo [[color(0)]];
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int bar [[color(1)]];
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};
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)");
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}
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TEST_F(MslGeneratorImplTest, EmitEntryPoint_Compute_Input) {
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// [[location 0]] var<in> foo : f32;
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// [[location 1]] var<in> bar : i32;
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//
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// -> Error, not allowed
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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auto foo_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32));
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(0));
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foo_var->set_decorations(std::move(decos));
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auto bar_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("bar", ast::StorageClass::kInput, &i32));
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decos.push_back(std::make_unique<ast::LocationDecoration>(1));
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bar_var->set_decorations(std::move(decos));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(foo_var.get());
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td.RegisterVariableForTesting(bar_var.get());
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mod.AddGlobalVariable(std::move(foo_var));
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mod.AddGlobalVariable(std::move(bar_var));
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ast::VariableList params;
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auto func =
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std::make_unique<ast::Function>("comp_main", std::move(params), &f32);
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ast::StatementList body;
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("foo"),
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std::make_unique<ast::IdentifierExpression>("foo")));
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("bar"),
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std::make_unique<ast::IdentifierExpression>("bar")));
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func->set_body(std::move(body));
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mod.AddFunction(std::move(func));
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auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute,
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"main", "comp_main");
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auto* ep_ptr = ep.get();
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mod.AddEntryPoint(std::move(ep));
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ASSERT_TRUE(td.Determine()) << td.error();
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GeneratorImpl g;
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g.set_module_for_testing(&mod);
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ASSERT_FALSE(g.EmitEntryPoint(ep_ptr)) << g.error();
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EXPECT_EQ(g.error(), R"(invalid location variable for pipeline stage)");
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}
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TEST_F(MslGeneratorImplTest, EmitEntryPoint_Compute_Output) {
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// [[location 0]] var<out> foo : f32;
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// [[location 1]] var<out> bar : i32;
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//
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// -> Error not allowed
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ast::type::F32Type f32;
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ast::type::I32Type i32;
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auto foo_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("foo", ast::StorageClass::kOutput, &f32));
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ast::VariableDecorationList decos;
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decos.push_back(std::make_unique<ast::LocationDecoration>(0));
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foo_var->set_decorations(std::move(decos));
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auto bar_var = std::make_unique<ast::DecoratedVariable>(
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std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &i32));
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decos.push_back(std::make_unique<ast::LocationDecoration>(1));
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bar_var->set_decorations(std::move(decos));
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Context ctx;
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ast::Module mod;
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TypeDeterminer td(&ctx, &mod);
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td.RegisterVariableForTesting(foo_var.get());
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td.RegisterVariableForTesting(bar_var.get());
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mod.AddGlobalVariable(std::move(foo_var));
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mod.AddGlobalVariable(std::move(bar_var));
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ast::VariableList params;
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auto func =
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std::make_unique<ast::Function>("comp_main", std::move(params), &f32);
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ast::StatementList body;
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("foo"),
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std::make_unique<ast::IdentifierExpression>("foo")));
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body.push_back(std::make_unique<ast::AssignmentStatement>(
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std::make_unique<ast::IdentifierExpression>("bar"),
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std::make_unique<ast::IdentifierExpression>("bar")));
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func->set_body(std::move(body));
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mod.AddFunction(std::move(func));
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auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute,
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"main", "comp_main");
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auto* ep_ptr = ep.get();
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mod.AddEntryPoint(std::move(ep));
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ASSERT_TRUE(td.Determine()) << td.error();
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GeneratorImpl g;
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g.set_module_for_testing(&mod);
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ASSERT_FALSE(g.EmitEntryPoint(ep_ptr)) << g.error();
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EXPECT_EQ(g.error(), R"(invalid location variable for pipeline stage)");
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}
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} // namespace
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} // namespace msl
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} // namespace writer
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} // namespace tint
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