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dawn-cmake/src/writer/hlsl/generator_impl_function_test.cc
dan sinclair bdb86723e8 [hlsl-writer] StorageBuffer support. 
This Cl adds support for storage buffers to the HLSL backend.

Bug: tint:7
Change-Id: I7adb655de8ccfcb6771fa661ff205c543b4efe66
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/27001
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
2020-08-25 21:22:37 +00:00

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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gtest/gtest.h"
#include "src/ast/assignment_statement.h"
#include "src/ast/binary_expression.h"
#include "src/ast/binding_decoration.h"
#include "src/ast/call_expression.h"
#include "src/ast/decorated_variable.h"
#include "src/ast/float_literal.h"
#include "src/ast/function.h"
#include "src/ast/identifier_expression.h"
#include "src/ast/if_statement.h"
#include "src/ast/location_decoration.h"
#include "src/ast/member_accessor_expression.h"
#include "src/ast/module.h"
#include "src/ast/return_statement.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/set_decoration.h"
#include "src/ast/sint_literal.h"
#include "src/ast/struct.h"
#include "src/ast/struct_member_offset_decoration.h"
#include "src/ast/type/alias_type.h"
#include "src/ast/type/array_type.h"
#include "src/ast/type/f32_type.h"
#include "src/ast/type/i32_type.h"
#include "src/ast/type/struct_type.h"
#include "src/ast/type/vector_type.h"
#include "src/ast/type/void_type.h"
#include "src/ast/variable.h"
#include "src/ast/variable_decl_statement.h"
#include "src/context.h"
#include "src/type_determiner.h"
#include "src/writer/hlsl/generator_impl.h"
namespace tint {
namespace writer {
namespace hlsl {
namespace {
using HlslGeneratorImplTest = testing::Test;
TEST_F(HlslGeneratorImplTest, Emit_Function) {
ast::type::VoidType void_type;
auto func = std::make_unique<ast::Function>("my_func", ast::VariableList{},
&void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
ast::Module m;
m.AddFunction(std::move(func));
GeneratorImpl g(&m);
g.increment_indent();
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"( void my_func() {
return;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_Name_Collision) {
ast::type::VoidType void_type;
auto func = std::make_unique<ast::Function>("GeometryShader",
ast::VariableList{}, &void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
ast::Module m;
m.AddFunction(std::move(func));
GeneratorImpl g(&m);
g.increment_indent();
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"( void GeometryShader_tint_0() {
return;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_WithParams) {
ast::type::F32Type f32;
ast::type::I32Type i32;
ast::VariableList params;
params.push_back(
std::make_unique<ast::Variable>("a", ast::StorageClass::kNone, &f32));
params.push_back(
std::make_unique<ast::Variable>("b", ast::StorageClass::kNone, &i32));
ast::type::VoidType void_type;
auto func =
std::make_unique<ast::Function>("my_func", std::move(params), &void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
ast::Module m;
m.AddFunction(std::move(func));
GeneratorImpl g(&m);
g.increment_indent();
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"( void my_func(float a, int b) {
return;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_NoName) {
ast::type::VoidType void_type;
auto func = std::make_unique<ast::Function>("frag_main", ast::VariableList{},
&void_type);
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
ast::Module m;
m.AddFunction(std::move(func));
m.AddEntryPoint(std::move(ep));
GeneratorImpl g(&m);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(void frag_main() {
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_WithInOutVars) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
auto foo_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::LocationDecoration>(0));
foo_var->set_decorations(std::move(decos));
auto bar_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &f32));
decos.push_back(std::make_unique<ast::LocationDecoration>(1));
bar_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(foo_var.get());
td.RegisterVariableForTesting(bar_var.get());
mod.AddGlobalVariable(std::move(foo_var));
mod.AddGlobalVariable(std::move(bar_var));
ast::VariableList params;
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("bar"),
std::make_unique<ast::IdentifierExpression>("foo")));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct frag_main_in {
float foo : TEXCOORD0;
};
struct frag_main_out {
float bar : SV_Target1;
};
frag_main_out frag_main(frag_main_in tint_in) {
frag_main_out tint_out;
tint_out.bar = tint_in.foo;
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_WithInOut_Builtins) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kInput, &vec4));
ast::VariableDecorationList decos;
decos.push_back(
std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragCoord));
coord_var->set_decorations(std::move(decos));
auto depth_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"depth", ast::StorageClass::kOutput, &f32));
decos.push_back(
std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragDepth));
depth_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
td.RegisterVariableForTesting(depth_var.get());
mod.AddGlobalVariable(std::move(coord_var));
mod.AddGlobalVariable(std::move(depth_var));
ast::VariableList params;
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("depth"),
std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("x"))));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct frag_main_in {
vector<float, 4> coord : SV_Position;
};
struct frag_main_out {
float depth : SV_Depth;
};
frag_main_out frag_main(frag_main_in tint_in) {
frag_main_out tint_out;
tint_out.depth = tint_in.coord.x;
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_With_Uniform) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kUniform, &vec4));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::BindingDecoration>(0));
decos.push_back(std::make_unique<ast::SetDecoration>(1));
coord_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
mod.AddGlobalVariable(std::move(coord_var));
ast::VariableList params;
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
auto var =
std::make_unique<ast::Variable>("v", ast::StorageClass::kFunction, &f32);
var->set_constructor(std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("x")));
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::VariableDeclStatement>(std::move(var)));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(cbuffer : register(b0) {
vector<float, 4> coord;
};
void frag_main() {
float v = coord.x;
return;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_With_UniformStruct) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
ast::StructMemberList members;
members.push_back(std::make_unique<ast::StructMember>(
"coord", &vec4, ast::StructMemberDecorationList{}));
auto str = std::make_unique<ast::Struct>();
str->set_members(std::move(members));
ast::type::StructType s(std::move(str));
s.set_name("Uniforms");
auto alias = std::make_unique<ast::type::AliasType>("Uniforms", &s);
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"uniforms", ast::StorageClass::kUniform, alias.get()));
mod.AddAliasType(alias.get());
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::BindingDecoration>(0));
decos.push_back(std::make_unique<ast::SetDecoration>(1));
coord_var->set_decorations(std::move(decos));
td.RegisterVariableForTesting(coord_var.get());
mod.AddGlobalVariable(std::move(coord_var));
ast::VariableList params;
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
auto var =
std::make_unique<ast::Variable>("v", ast::StorageClass::kFunction, &f32);
var->set_constructor(std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("uniforms"),
std::make_unique<ast::IdentifierExpression>("coord")),
std::make_unique<ast::IdentifierExpression>("x")));
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::VariableDeclStatement>(std::move(var)));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct Uniforms {
vector<float, 4> coord;
};
ConstantBuffer<Uniforms> uniforms : register(b0);
void frag_main() {
float v = uniforms.coord.x;
return;
}
)");
}
TEST_F(HlslGeneratorImplTest,
Emit_Function_EntryPoint_With_StorageBuffer_Read) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::I32Type i32;
ast::StructMemberList members;
ast::StructMemberDecorationList a_deco;
a_deco.push_back(std::make_unique<ast::StructMemberOffsetDecoration>(0));
members.push_back(
std::make_unique<ast::StructMember>("a", &i32, std::move(a_deco)));
ast::StructMemberDecorationList b_deco;
b_deco.push_back(std::make_unique<ast::StructMemberOffsetDecoration>(4));
members.push_back(
std::make_unique<ast::StructMember>("b", &f32, std::move(b_deco)));
auto str = std::make_unique<ast::Struct>();
str->set_members(std::move(members));
ast::type::StructType s(std::move(str));
s.set_name("Data");
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kStorageBuffer, &s));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::BindingDecoration>(0));
decos.push_back(std::make_unique<ast::SetDecoration>(1));
coord_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
mod.AddGlobalVariable(std::move(coord_var));
ast::VariableList params;
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
auto var =
std::make_unique<ast::Variable>("v", ast::StorageClass::kFunction, &f32);
var->set_constructor(std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("b")));
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::VariableDeclStatement>(std::move(var)));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(RWByteAddressBuffer coord : register(u0);
void frag_main() {
float v = asfloat(coord.Load(4));
return;
}
)");
}
TEST_F(HlslGeneratorImplTest,
Emit_Function_EntryPoint_With_StorageBuffer_Store) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::I32Type i32;
ast::StructMemberList members;
ast::StructMemberDecorationList a_deco;
a_deco.push_back(std::make_unique<ast::StructMemberOffsetDecoration>(0));
members.push_back(
std::make_unique<ast::StructMember>("a", &i32, std::move(a_deco)));
ast::StructMemberDecorationList b_deco;
b_deco.push_back(std::make_unique<ast::StructMemberOffsetDecoration>(4));
members.push_back(
std::make_unique<ast::StructMember>("b", &f32, std::move(b_deco)));
auto str = std::make_unique<ast::Struct>();
str->set_members(std::move(members));
ast::type::StructType s(std::move(str));
s.set_name("Data");
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kStorageBuffer, &s));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::BindingDecoration>(0));
decos.push_back(std::make_unique<ast::SetDecoration>(1));
coord_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
mod.AddGlobalVariable(std::move(coord_var));
ast::VariableList params;
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
auto assign = std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("b")),
std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 2.0f)));
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::move(assign));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(RWByteAddressBuffer coord : register(u0);
void frag_main() {
coord.Store(4, asuint(2.00000000f));
return;
}
)");
}
TEST_F(HlslGeneratorImplTest,
Emit_Function_Called_By_EntryPoints_WithLocationGlobals_And_Params) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
auto foo_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::LocationDecoration>(0));
foo_var->set_decorations(std::move(decos));
auto bar_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &f32));
decos.push_back(std::make_unique<ast::LocationDecoration>(1));
bar_var->set_decorations(std::move(decos));
auto val_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("val", ast::StorageClass::kOutput, &f32));
decos.push_back(std::make_unique<ast::LocationDecoration>(0));
val_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(foo_var.get());
td.RegisterVariableForTesting(bar_var.get());
td.RegisterVariableForTesting(val_var.get());
mod.AddGlobalVariable(std::move(foo_var));
mod.AddGlobalVariable(std::move(bar_var));
mod.AddGlobalVariable(std::move(val_var));
ast::VariableList params;
params.push_back(std::make_unique<ast::Variable>(
"param", ast::StorageClass::kFunction, &f32));
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("bar"),
std::make_unique<ast::IdentifierExpression>("foo")));
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("val"),
std::make_unique<ast::IdentifierExpression>("param")));
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::IdentifierExpression>("foo")));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func_1 = std::make_unique<ast::Function>("frag_1_main",
std::move(params), &void_type);
ast::ExpressionList expr;
expr.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0f)));
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("bar"),
std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
std::move(expr))));
body->append(std::make_unique<ast::ReturnStatement>());
func_1->set_body(std::move(body));
mod.AddFunction(std::move(func_1));
auto ep1 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_1", "frag_1_main");
mod.AddEntryPoint(std::move(ep1));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct ep_1_in {
float foo : TEXCOORD0;
};
struct ep_1_out {
float bar : SV_Target1;
float val : SV_Target0;
};
float sub_func_ep_1(in ep_1_in tint_in, out ep_1_out tint_out, float param) {
tint_out.bar = tint_in.foo;
tint_out.val = param;
return tint_in.foo;
}
ep_1_out ep_1(ep_1_in tint_in) {
ep_1_out tint_out;
tint_out.bar = sub_func_ep_1(tint_in, tint_out, 1.00000000f);
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest,
Emit_Function_Called_By_EntryPoints_NoUsedGlobals) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
auto depth_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"depth", ast::StorageClass::kOutput, &f32));
ast::VariableDecorationList decos;
decos.push_back(
std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragDepth));
depth_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(depth_var.get());
mod.AddGlobalVariable(std::move(depth_var));
ast::VariableList params;
params.push_back(std::make_unique<ast::Variable>(
"param", ast::StorageClass::kFunction, &f32));
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::IdentifierExpression>("param")));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func_1 = std::make_unique<ast::Function>("frag_1_main",
std::move(params), &void_type);
ast::ExpressionList expr;
expr.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0f)));
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("depth"),
std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
std::move(expr))));
body->append(std::make_unique<ast::ReturnStatement>());
func_1->set_body(std::move(body));
mod.AddFunction(std::move(func_1));
auto ep1 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_1", "frag_1_main");
mod.AddEntryPoint(std::move(ep1));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct ep_1_out {
float depth : SV_Depth;
};
float sub_func(float param) {
return param;
}
ep_1_out ep_1() {
ep_1_out tint_out;
tint_out.depth = sub_func(1.00000000f);
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest,
Emit_Function_Called_By_EntryPoints_WithBuiltinGlobals_And_Params) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kInput, &vec4));
ast::VariableDecorationList decos;
decos.push_back(
std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragCoord));
coord_var->set_decorations(std::move(decos));
auto depth_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"depth", ast::StorageClass::kOutput, &f32));
decos.push_back(
std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragDepth));
depth_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
td.RegisterVariableForTesting(depth_var.get());
mod.AddGlobalVariable(std::move(coord_var));
mod.AddGlobalVariable(std::move(depth_var));
ast::VariableList params;
params.push_back(std::make_unique<ast::Variable>(
"param", ast::StorageClass::kFunction, &f32));
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("depth"),
std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("x"))));
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::IdentifierExpression>("param")));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func_1 = std::make_unique<ast::Function>("frag_1_main",
std::move(params), &void_type);
ast::ExpressionList expr;
expr.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0f)));
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("depth"),
std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
std::move(expr))));
body->append(std::make_unique<ast::ReturnStatement>());
func_1->set_body(std::move(body));
mod.AddFunction(std::move(func_1));
auto ep1 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_1", "frag_1_main");
mod.AddEntryPoint(std::move(ep1));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct ep_1_in {
vector<float, 4> coord : SV_Position;
};
struct ep_1_out {
float depth : SV_Depth;
};
float sub_func_ep_1(in ep_1_in tint_in, out ep_1_out tint_out, float param) {
tint_out.depth = tint_in.coord.x;
return param;
}
ep_1_out ep_1(ep_1_in tint_in) {
ep_1_out tint_out;
tint_out.depth = sub_func_ep_1(tint_in, tint_out, 1.00000000f);
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest,
DISABLED_Emit_Function_Called_By_EntryPoint_With_Uniform) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kUniform, &vec4));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::BindingDecoration>(0));
decos.push_back(std::make_unique<ast::SetDecoration>(1));
coord_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
mod.AddGlobalVariable(std::move(coord_var));
ast::VariableList params;
params.push_back(std::make_unique<ast::Variable>(
"param", ast::StorageClass::kFunction, &f32));
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("x"))));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
ast::ExpressionList expr;
expr.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0f)));
auto var =
std::make_unique<ast::Variable>("v", ast::StorageClass::kFunction, &f32);
var->set_constructor(std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
std::move(expr)));
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::VariableDeclStatement>(std::move(var)));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"( ... )");
}
TEST_F(HlslGeneratorImplTest,
DISABLED_Emit_Function_Called_By_EntryPoint_With_StorageBuffer) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::VectorType vec4(&f32, 4);
auto coord_var =
std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>(
"coord", ast::StorageClass::kStorageBuffer, &vec4));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::BindingDecoration>(0));
decos.push_back(std::make_unique<ast::SetDecoration>(1));
coord_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(coord_var.get());
mod.AddGlobalVariable(std::move(coord_var));
ast::VariableList params;
params.push_back(std::make_unique<ast::Variable>(
"param", ast::StorageClass::kFunction, &f32));
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::MemberAccessorExpression>(
std::make_unique<ast::IdentifierExpression>("coord"),
std::make_unique<ast::IdentifierExpression>("x"))));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func = std::make_unique<ast::Function>("frag_main", std::move(params),
&void_type);
ast::ExpressionList expr;
expr.push_back(std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0f)));
auto var =
std::make_unique<ast::Variable>("v", ast::StorageClass::kFunction, &f32);
var->set_constructor(std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
std::move(expr)));
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::VariableDeclStatement>(std::move(var)));
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
mod.AddFunction(std::move(func));
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, "",
"frag_main");
mod.AddEntryPoint(std::move(ep));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"( ... )");
}
TEST_F(HlslGeneratorImplTest,
DISABLED_Emit_Function_Called_Two_EntryPoints_WithGlobals) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
auto foo_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::LocationDecoration>(0));
foo_var->set_decorations(std::move(decos));
auto bar_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &f32));
decos.push_back(std::make_unique<ast::LocationDecoration>(1));
bar_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(foo_var.get());
td.RegisterVariableForTesting(bar_var.get());
mod.AddGlobalVariable(std::move(foo_var));
mod.AddGlobalVariable(std::move(bar_var));
ast::VariableList params;
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("bar"),
std::make_unique<ast::IdentifierExpression>("foo")));
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::IdentifierExpression>("foo")));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func_1 = std::make_unique<ast::Function>("frag_1_main",
std::move(params), &void_type);
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("bar"),
std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
ast::ExpressionList{})));
body->append(std::make_unique<ast::ReturnStatement>());
func_1->set_body(std::move(body));
mod.AddFunction(std::move(func_1));
auto ep1 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_1", "frag_1_main");
auto ep2 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_2", "frag_1_main");
mod.AddEntryPoint(std::move(ep1));
mod.AddEntryPoint(std::move(ep2));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct ep_1_in {
float foo : TEXCOORD0;
};
struct ep_1_out {
float bar : SV_Target1;
};
struct ep_2_in {
float foo : TEXCOORD0;
};
struct ep_2_out {
float bar : SV_Target1;
};
float sub_func_ep_1(in ep_1_in tint_in, out ep_1_out tint_out) {
tint_out.bar = tint_in.foo;
return tint_in.foo;
}
float sub_func_ep_2(in ep_2_in tint_in, out ep_2_out tint_out) {
tint_out.bar = tint_in.foo;
return tint_in.foo;
}
ep_1_out ep_1(ep_1_in tint_in) {
ep_1_out tint_out;
tint_out.bar = sub_func_ep_1(tint_in, tint_out);
return tint_out;
}
ep_2_out ep_2(ep_2_in tint_in) {
ep_2_out tint_out;
tint_out.bar = sub_func_ep_2(tint_in, tint_out);
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest,
DISABLED_Emit_Function_EntryPoints_WithGlobal_Nested_Return) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
ast::type::I32Type i32;
auto bar_var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &f32));
ast::VariableDecorationList decos;
decos.push_back(std::make_unique<ast::LocationDecoration>(1));
bar_var->set_decorations(std::move(decos));
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
td.RegisterVariableForTesting(bar_var.get());
mod.AddGlobalVariable(std::move(bar_var));
ast::VariableList params;
auto func_1 = std::make_unique<ast::Function>("frag_1_main",
std::move(params), &void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::AssignmentStatement>(
std::make_unique<ast::IdentifierExpression>("bar"),
std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0f))));
auto list = std::make_unique<ast::BlockStatement>();
list->append(std::make_unique<ast::ReturnStatement>());
body->append(std::make_unique<ast::IfStatement>(
std::make_unique<ast::BinaryExpression>(
ast::BinaryOp::kEqual,
std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::SintLiteral>(&i32, 1)),
std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::SintLiteral>(&i32, 1))),
std::move(list)));
body->append(std::make_unique<ast::ReturnStatement>());
func_1->set_body(std::move(body));
mod.AddFunction(std::move(func_1));
auto ep1 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_1", "frag_1_main");
mod.AddEntryPoint(std::move(ep1));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(struct ep_1_out {
float bar : SV_Target0;
};
ep_1_out ep_1() {
ep_1_out tint_out;
tint_out.bar = 1.00000000f;
if ((1 == 1)) {
return tint_out;
}
return tint_out;
}
)");
}
TEST_F(HlslGeneratorImplTest,
Emit_Function_Called_Two_EntryPoints_WithoutGlobals) {
ast::type::VoidType void_type;
ast::type::F32Type f32;
Context ctx;
ast::Module mod;
TypeDeterminer td(&ctx, &mod);
ast::VariableList params;
auto sub_func =
std::make_unique<ast::Function>("sub_func", std::move(params), &f32);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>(
std::make_unique<ast::ScalarConstructorExpression>(
std::make_unique<ast::FloatLiteral>(&f32, 1.0))));
sub_func->set_body(std::move(body));
mod.AddFunction(std::move(sub_func));
auto func_1 = std::make_unique<ast::Function>("frag_1_main",
std::move(params), &void_type);
auto var = std::make_unique<ast::Variable>(
"foo", ast::StorageClass::kFunction, &f32);
var->set_constructor(std::make_unique<ast::CallExpression>(
std::make_unique<ast::IdentifierExpression>("sub_func"),
ast::ExpressionList{}));
body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::VariableDeclStatement>(std::move(var)));
body->append(std::make_unique<ast::ReturnStatement>());
func_1->set_body(std::move(body));
mod.AddFunction(std::move(func_1));
auto ep1 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_1", "frag_1_main");
auto ep2 = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment,
"ep_2", "frag_1_main");
mod.AddEntryPoint(std::move(ep1));
mod.AddEntryPoint(std::move(ep2));
ASSERT_TRUE(td.Determine()) << td.error();
GeneratorImpl g(&mod);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(float sub_func() {
return 1.00000000f;
}
void ep_1() {
float foo = sub_func();
return;
}
void ep_2() {
float foo = sub_func();
return;
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_WithName) {
ast::type::VoidType void_type;
auto func = std::make_unique<ast::Function>("comp_main", ast::VariableList{},
&void_type);
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute,
"my_main", "comp_main");
ast::Module m;
m.AddFunction(std::move(func));
m.AddEntryPoint(std::move(ep));
GeneratorImpl g(&m);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(void my_main() {
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_EntryPoint_WithNameCollision) {
ast::type::VoidType void_type;
auto func = std::make_unique<ast::Function>("comp_main", ast::VariableList{},
&void_type);
auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute,
"GeometryShader", "comp_main");
ast::Module m;
m.AddFunction(std::move(func));
m.AddEntryPoint(std::move(ep));
GeneratorImpl g(&m);
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"(void GeometryShader_tint_0() {
}
)");
}
TEST_F(HlslGeneratorImplTest, Emit_Function_WithArrayParams) {
ast::type::F32Type f32;
ast::type::ArrayType ary(&f32, 5);
ast::VariableList params;
params.push_back(
std::make_unique<ast::Variable>("a", ast::StorageClass::kNone, &ary));
ast::type::VoidType void_type;
auto func =
std::make_unique<ast::Function>("my_func", std::move(params), &void_type);
auto body = std::make_unique<ast::BlockStatement>();
body->append(std::make_unique<ast::ReturnStatement>());
func->set_body(std::move(body));
ast::Module m;
m.AddFunction(std::move(func));
GeneratorImpl g(&m);
g.increment_indent();
ASSERT_TRUE(g.Generate()) << g.error();
EXPECT_EQ(g.result(), R"( void my_func(float a[5]) {
return;
}
)");
}
} // namespace
} // namespace hlsl
} // namespace writer
} // namespace tint
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