mirror of
https://github.com/encounter/dawn-cmake.git
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df503f0e85
This CL updates the HLSL backend to take the output stream as a parameter. This is needed because there are cases where we have to generate the resulting stream out of order. This will allow that to happen. Bug: tint:7 Change-Id: Id1877a07e536a84da0555f207d1030588d44c034 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/27440 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: David Neto <dneto@google.com>
102 lines
3.4 KiB
C++
102 lines
3.4 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 <memory>
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#include "src/ast/entry_point.h"
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#include "src/ast/function.h"
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#include "src/ast/identifier_expression.h"
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#include "src/ast/module.h"
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#include "src/ast/type/void_type.h"
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#include "src/writer/hlsl/test_helper.h"
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namespace tint {
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namespace writer {
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namespace hlsl {
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namespace {
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class HlslGeneratorImplTest : public TestHelper, public testing::Test {};
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TEST_F(HlslGeneratorImplTest, DISABLED_Generate) {
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ast::type::VoidType void_type;
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mod()->AddFunction(std::make_unique<ast::Function>(
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"my_func", ast::VariableList{}, &void_type));
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mod()->AddEntryPoint(std::make_unique<ast::EntryPoint>(
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ast::PipelineStage::kFragment, "my_func", ""));
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ASSERT_TRUE(gen().Generate(out())) << gen().error();
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EXPECT_EQ(result(), R"(#import <metal_lib>
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void my_func() {
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}
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)");
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}
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TEST_F(HlslGeneratorImplTest, InputStructName) {
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ASSERT_EQ(gen().generate_name("func_main_in"), "func_main_in");
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}
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TEST_F(HlslGeneratorImplTest, InputStructName_ConflictWithExisting) {
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// Register the struct name as existing.
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auto* namer = gen().namer_for_testing();
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namer->NameFor("func_main_out");
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ASSERT_EQ(gen().generate_name("func_main_out"), "func_main_out_0");
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}
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TEST_F(HlslGeneratorImplTest, NameConflictWith_InputStructName) {
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ASSERT_EQ(gen().generate_name("func_main_in"), "func_main_in");
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ast::IdentifierExpression ident("func_main_in");
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ASSERT_TRUE(gen().EmitIdentifier(out(), &ident));
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EXPECT_EQ(result(), "func_main_in_0");
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}
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struct HlslBuiltinData {
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ast::Builtin builtin;
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const char* attribute_name;
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};
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inline std::ostream& operator<<(std::ostream& out, HlslBuiltinData data) {
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out << data.builtin;
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return out;
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}
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class HlslBuiltinConversionTest
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: public TestHelper,
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public testing::TestWithParam<HlslBuiltinData> {};
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TEST_P(HlslBuiltinConversionTest, Emit) {
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auto params = GetParam();
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EXPECT_EQ(gen().builtin_to_attribute(params.builtin),
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std::string(params.attribute_name));
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}
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INSTANTIATE_TEST_SUITE_P(
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HlslGeneratorImplTest,
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HlslBuiltinConversionTest,
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testing::Values(
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HlslBuiltinData{ast::Builtin::kPosition, "SV_Position"},
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HlslBuiltinData{ast::Builtin::kVertexIdx, "SV_VertexID"},
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HlslBuiltinData{ast::Builtin::kInstanceIdx, "SV_InstanceID"},
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HlslBuiltinData{ast::Builtin::kFrontFacing, "SV_IsFrontFacing"},
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HlslBuiltinData{ast::Builtin::kFragCoord, "SV_Position"},
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HlslBuiltinData{ast::Builtin::kFragDepth, "SV_Depth"},
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HlslBuiltinData{ast::Builtin::kWorkgroupSize, ""},
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HlslBuiltinData{ast::Builtin::kLocalInvocationId, "SV_GroupThreadID"},
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HlslBuiltinData{ast::Builtin::kLocalInvocationIdx, "SV_GroupIndex"},
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HlslBuiltinData{ast::Builtin::kGlobalInvocationId,
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"SV_DispatchThreadID"}));
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} // namespace
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} // namespace hlsl
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} // namespace writer
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} // namespace tint
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