blob: 1296d30e7e7cd9414d6d5edf073b2ae9c2cf1ead [file] [log] [blame]
// Copyright 2021 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 "src/ast/access_decoration.h"
#include "src/ast/override_decoration.h"
#include "src/ast/return_statement.h"
#include "src/ast/stage_decoration.h"
#include "src/ast/struct_block_decoration.h"
#include "src/ast/workgroup_decoration.h"
#include "src/resolver/resolver.h"
#include "src/resolver/resolver_test_helper.h"
#include "gmock/gmock.h"
namespace tint {
namespace resolver {
// Helpers and typedefs
template <typename T>
using DataType = builder::DataType<T>;
template <typename T>
using vec2 = builder::vec2<T>;
template <typename T>
using vec3 = builder::vec3<T>;
template <typename T>
using vec4 = builder::vec4<T>;
template <typename T>
using mat2x2 = builder::mat2x2<T>;
template <typename T>
using mat3x3 = builder::mat3x3<T>;
template <typename T>
using mat4x4 = builder::mat4x4<T>;
template <typename T, int ID = 0>
using alias = builder::alias<T, ID>;
template <typename T>
using alias1 = builder::alias1<T>;
template <typename T>
using alias2 = builder::alias2<T>;
template <typename T>
using alias3 = builder::alias3<T>;
using f32 = builder::f32;
using i32 = builder::i32;
using u32 = builder::u32;
namespace DecorationTests {
namespace {
enum class DecorationKind {
kAlign,
kBinding,
kBuiltin,
kGroup,
kLocation,
kOverride,
kOffset,
kSize,
kStage,
kStride,
kStructBlock,
kWorkgroup,
kBindingAndGroup,
};
bool IsBindingDecoration(DecorationKind kind) {
switch (kind) {
case DecorationKind::kBinding:
case DecorationKind::kGroup:
case DecorationKind::kBindingAndGroup:
return true;
default:
return false;
}
}
struct TestParams {
DecorationKind kind;
bool should_pass;
};
struct TestWithParams : ResolverTestWithParam<TestParams> {};
static ast::DecorationList createDecorations(const Source& source,
ProgramBuilder& builder,
DecorationKind kind) {
switch (kind) {
case DecorationKind::kAlign:
return {builder.create<ast::StructMemberAlignDecoration>(source, 4u)};
case DecorationKind::kBinding:
return {builder.create<ast::BindingDecoration>(source, 1u)};
case DecorationKind::kBuiltin:
return {builder.Builtin(source, ast::Builtin::kPosition)};
case DecorationKind::kGroup:
return {builder.create<ast::GroupDecoration>(source, 1u)};
case DecorationKind::kLocation:
return {builder.Location(source, 1)};
case DecorationKind::kOverride:
return {builder.create<ast::OverrideDecoration>(source, 0u)};
case DecorationKind::kOffset:
return {builder.create<ast::StructMemberOffsetDecoration>(source, 4u)};
case DecorationKind::kSize:
return {builder.create<ast::StructMemberSizeDecoration>(source, 4u)};
case DecorationKind::kStage:
return {builder.Stage(source, ast::PipelineStage::kCompute)};
case DecorationKind::kStride:
return {builder.create<ast::StrideDecoration>(source, 4u)};
case DecorationKind::kStructBlock:
return {builder.create<ast::StructBlockDecoration>(source)};
case DecorationKind::kWorkgroup:
return {
builder.create<ast::WorkgroupDecoration>(source, builder.Expr(1))};
case DecorationKind::kBindingAndGroup:
return {builder.create<ast::BindingDecoration>(source, 1u),
builder.create<ast::GroupDecoration>(source, 1u)};
}
return {};
}
using FunctionReturnTypeDecorationTest = TestWithParams;
TEST_P(FunctionReturnTypeDecorationTest, IsValid) {
auto& params = GetParam();
Func("main", ast::VariableList{}, ty.f32(), ast::StatementList{Return(1.f)},
ast::DecorationList{Stage(ast::PipelineStage::kCompute)},
createDecorations({}, *this, params.kind));
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
EXPECT_EQ(r()->error(),
"error: decoration is not valid for function return types");
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
FunctionReturnTypeDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, false},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, true},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, true},
TestParams{DecorationKind::kOverride, false},
TestParams{DecorationKind::kOffset, false},
TestParams{DecorationKind::kSize, false},
TestParams{DecorationKind::kStage, false},
TestParams{DecorationKind::kStride, false},
TestParams{DecorationKind::kStructBlock, false},
TestParams{DecorationKind::kWorkgroup, false},
TestParams{DecorationKind::kBindingAndGroup, false}));
TEST_F(FunctionReturnTypeDecorationTest, DuplicateDecoration) {
Func("main", ast::VariableList{}, ty.f32(), ast::StatementList{Return(1.f)},
ast::DecorationList{Stage(ast::PipelineStage::kCompute)},
ast::DecorationList{
Location(Source{{12, 34}}, 2),
Location(Source{{56, 78}}, 3),
});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate location decoration
12:34 note: first decoration declared here)");
}
using ArrayDecorationTest = TestWithParams;
TEST_P(ArrayDecorationTest, IsValid) {
auto& params = GetParam();
auto* arr = ty.array(ty.f32(), 0,
createDecorations(Source{{12, 34}}, *this, params.kind));
Structure("mystruct",
{
Member("a", arr),
},
{create<ast::StructBlockDecoration>()});
WrapInFunction();
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
EXPECT_EQ(r()->error(),
"12:34 error: decoration is not valid for array types");
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
ArrayDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, false},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, false},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, false},
TestParams{DecorationKind::kOverride, false},
TestParams{DecorationKind::kOffset, false},
TestParams{DecorationKind::kSize, false},
TestParams{DecorationKind::kStage, false},
TestParams{DecorationKind::kStride, true},
TestParams{DecorationKind::kStructBlock, false},
TestParams{DecorationKind::kWorkgroup, false},
TestParams{DecorationKind::kBindingAndGroup, false}));
using StructDecorationTest = TestWithParams;
TEST_P(StructDecorationTest, IsValid) {
auto& params = GetParam();
Structure("mystruct", {},
createDecorations(Source{{12, 34}}, *this, params.kind));
WrapInFunction();
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
EXPECT_EQ(r()->error(),
"12:34 error: decoration is not valid for struct declarations");
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
StructDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, false},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, false},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, false},
TestParams{DecorationKind::kOverride, false},
TestParams{DecorationKind::kOffset, false},
TestParams{DecorationKind::kSize, false},
TestParams{DecorationKind::kStage, false},
TestParams{DecorationKind::kStride, false},
TestParams{DecorationKind::kStructBlock, true},
TestParams{DecorationKind::kWorkgroup, false},
TestParams{DecorationKind::kBindingAndGroup, false}));
TEST_F(StructDecorationTest, DuplicateDecoration) {
Structure("mystruct",
{
Member("a", ty.i32()),
},
{
create<ast::StructBlockDecoration>(Source{{12, 34}}),
create<ast::StructBlockDecoration>(Source{{56, 78}}),
});
WrapInFunction();
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate block decoration
12:34 note: first decoration declared here)");
}
using StructMemberDecorationTest = TestWithParams;
TEST_P(StructMemberDecorationTest, IsValid) {
auto& params = GetParam();
ast::StructMemberList members{Member(
"a", ty.i32(), createDecorations(Source{{12, 34}}, *this, params.kind))};
Structure("mystruct", members);
WrapInFunction();
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
EXPECT_EQ(r()->error(),
"12:34 error: decoration is not valid for structure members");
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
StructMemberDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, true},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, true},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, true},
TestParams{DecorationKind::kOverride, false},
TestParams{DecorationKind::kOffset, true},
TestParams{DecorationKind::kSize, true},
TestParams{DecorationKind::kStage, false},
TestParams{DecorationKind::kStride, false},
TestParams{DecorationKind::kStructBlock, false},
TestParams{DecorationKind::kWorkgroup, false},
TestParams{DecorationKind::kBindingAndGroup, false}));
TEST_F(StructMemberDecorationTest, DuplicateDecoration) {
Structure("mystruct", {
Member("a", ty.i32(),
{
create<ast::StructMemberAlignDecoration>(
Source{{12, 34}}, 4u),
create<ast::StructMemberAlignDecoration>(
Source{{56, 78}}, 8u),
}),
});
WrapInFunction();
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate align decoration
12:34 note: first decoration declared here)");
}
using VariableDecorationTest = TestWithParams;
TEST_P(VariableDecorationTest, IsValid) {
auto& params = GetParam();
if (IsBindingDecoration(params.kind)) {
Global("a", ty.sampler(ast::SamplerKind::kSampler),
ast::StorageClass::kNone, nullptr,
createDecorations(Source{{12, 34}}, *this, params.kind));
} else {
Global("a", ty.f32(), ast::StorageClass::kInput, nullptr,
createDecorations(Source{{12, 34}}, *this, params.kind));
}
WrapInFunction();
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
if (!IsBindingDecoration(params.kind)) {
EXPECT_EQ(r()->error(),
"12:34 error: decoration is not valid for variables");
}
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
VariableDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, false},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, true},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, true},
TestParams{DecorationKind::kOverride, false},
TestParams{DecorationKind::kOffset, false},
TestParams{DecorationKind::kSize, false},
TestParams{DecorationKind::kStage, false},
TestParams{DecorationKind::kStride, false},
TestParams{DecorationKind::kStructBlock, false},
TestParams{DecorationKind::kWorkgroup, false},
TestParams{DecorationKind::kBindingAndGroup, true}));
TEST_F(VariableDecorationTest, DuplicateDecoration) {
Global("a", ty.sampler(ast::SamplerKind::kSampler),
ast::DecorationList{
create<ast::BindingDecoration>(Source{{12, 34}}, 2),
create<ast::GroupDecoration>(2),
create<ast::BindingDecoration>(Source{{56, 78}}, 3),
});
WrapInFunction();
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate binding decoration
12:34 note: first decoration declared here)");
}
using ConstantDecorationTest = TestWithParams;
TEST_P(ConstantDecorationTest, IsValid) {
auto& params = GetParam();
GlobalConst("a", ty.f32(), Expr(1.23f),
createDecorations(Source{{12, 34}}, *this, params.kind));
WrapInFunction();
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
EXPECT_EQ(r()->error(),
"12:34 error: decoration is not valid for constants");
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
ConstantDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, false},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, false},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, false},
TestParams{DecorationKind::kOverride, true},
TestParams{DecorationKind::kOffset, false},
TestParams{DecorationKind::kSize, false},
TestParams{DecorationKind::kStage, false},
TestParams{DecorationKind::kStride, false},
TestParams{DecorationKind::kStructBlock, false},
TestParams{DecorationKind::kWorkgroup, false},
TestParams{DecorationKind::kBindingAndGroup, false}));
TEST_F(ConstantDecorationTest, DuplicateDecoration) {
GlobalConst("a", ty.f32(), Expr(1.23f),
ast::DecorationList{
create<ast::OverrideDecoration>(Source{{12, 34}}),
create<ast::OverrideDecoration>(Source{{56, 78}}, 1),
});
WrapInFunction();
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate override decoration
12:34 note: first decoration declared here)");
}
using FunctionDecorationTest = TestWithParams;
TEST_P(FunctionDecorationTest, IsValid) {
auto& params = GetParam();
ast::DecorationList decos =
createDecorations(Source{{12, 34}}, *this, params.kind);
Func("foo", ast::VariableList{}, ty.void_(), ast::StatementList{}, decos);
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve()) << r()->error();
EXPECT_EQ(r()->error(),
"12:34 error: decoration is not valid for functions");
}
}
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
FunctionDecorationTest,
testing::Values(TestParams{DecorationKind::kAlign, false},
TestParams{DecorationKind::kBinding, false},
TestParams{DecorationKind::kBuiltin, false},
TestParams{DecorationKind::kGroup, false},
TestParams{DecorationKind::kLocation, false},
TestParams{DecorationKind::kOverride, false},
TestParams{DecorationKind::kOffset, false},
TestParams{DecorationKind::kSize, false},
// Skip kStage as we do not apply it in this test
TestParams{DecorationKind::kStride, false},
TestParams{DecorationKind::kStructBlock, false},
// Skip kWorkgroup as this is a different error
TestParams{DecorationKind::kBindingAndGroup, false}));
} // namespace
} // namespace DecorationTests
namespace ArrayStrideTests {
namespace {
struct Params {
builder::ast_type_func_ptr create_el_type;
uint32_t stride;
bool should_pass;
};
template <typename T>
constexpr Params ParamsFor(uint32_t stride, bool should_pass) {
return Params{DataType<T>::AST, stride, should_pass};
}
struct TestWithParams : ResolverTestWithParam<Params> {};
using ArrayStrideTest = TestWithParams;
TEST_P(ArrayStrideTest, All) {
auto& params = GetParam();
auto* el_ty = params.create_el_type(*this);
std::stringstream ss;
ss << "el_ty: " << FriendlyName(el_ty) << ", stride: " << params.stride
<< ", should_pass: " << params.should_pass;
SCOPED_TRACE(ss.str());
auto* arr = ty.array(Source{{12, 34}}, el_ty, 4, params.stride);
Global("myarray", arr, ast::StorageClass::kInput);
if (params.should_pass) {
EXPECT_TRUE(r()->Resolve()) << r()->error();
} else {
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: arrays decorated with the stride attribute must "
"have a stride that is at least the size of the element type, "
"and be a multiple of the element type's alignment value.");
}
}
struct SizeAndAlignment {
uint32_t size;
uint32_t align;
};
constexpr SizeAndAlignment default_u32 = {4, 4};
constexpr SizeAndAlignment default_i32 = {4, 4};
constexpr SizeAndAlignment default_f32 = {4, 4};
constexpr SizeAndAlignment default_vec2 = {8, 8};
constexpr SizeAndAlignment default_vec3 = {12, 16};
constexpr SizeAndAlignment default_vec4 = {16, 16};
constexpr SizeAndAlignment default_mat2x2 = {16, 8};
constexpr SizeAndAlignment default_mat3x3 = {48, 16};
constexpr SizeAndAlignment default_mat4x4 = {64, 16};
INSTANTIATE_TEST_SUITE_P(
ResolverDecorationValidationTest,
ArrayStrideTest,
testing::Values(
// Succeed because stride >= element size (while being multiple of
// element alignment)
ParamsFor<u32>(default_u32.size, true),
ParamsFor<i32>(default_i32.size, true),
ParamsFor<f32>(default_f32.size, true),
ParamsFor<vec2<f32>>(default_vec2.size, true),
// vec3's default size is not a multiple of its alignment
// ParamsFor<vec3<f32>, default_vec3.size, true},
ParamsFor<vec4<f32>>(default_vec4.size, true),
ParamsFor<mat2x2<f32>>(default_mat2x2.size, true),
ParamsFor<mat3x3<f32>>(default_mat3x3.size, true),
ParamsFor<mat4x4<f32>>(default_mat4x4.size, true),
// Fail because stride is < element size
ParamsFor<u32>(default_u32.size - 1, false),
ParamsFor<i32>(default_i32.size - 1, false),
ParamsFor<f32>(default_f32.size - 1, false),
ParamsFor<vec2<f32>>(default_vec2.size - 1, false),
ParamsFor<vec3<f32>>(default_vec3.size - 1, false),
ParamsFor<vec4<f32>>(default_vec4.size - 1, false),
ParamsFor<mat2x2<f32>>(default_mat2x2.size - 1, false),
ParamsFor<mat3x3<f32>>(default_mat3x3.size - 1, false),
ParamsFor<mat4x4<f32>>(default_mat4x4.size - 1, false),
// Succeed because stride equals multiple of element alignment
ParamsFor<u32>(default_u32.align * 7, true),
ParamsFor<i32>(default_i32.align * 7, true),
ParamsFor<f32>(default_f32.align * 7, true),
ParamsFor<vec2<f32>>(default_vec2.align * 7, true),
ParamsFor<vec3<f32>>(default_vec3.align * 7, true),
ParamsFor<vec4<f32>>(default_vec4.align * 7, true),
ParamsFor<mat2x2<f32>>(default_mat2x2.align * 7, true),
ParamsFor<mat3x3<f32>>(default_mat3x3.align * 7, true),
ParamsFor<mat4x4<f32>>(default_mat4x4.align * 7, true),
// Fail because stride is not multiple of element alignment
ParamsFor<u32>((default_u32.align - 1) * 7, false),
ParamsFor<i32>((default_i32.align - 1) * 7, false),
ParamsFor<f32>((default_f32.align - 1) * 7, false),
ParamsFor<vec2<f32>>((default_vec2.align - 1) * 7, false),
ParamsFor<vec3<f32>>((default_vec3.align - 1) * 7, false),
ParamsFor<vec4<f32>>((default_vec4.align - 1) * 7, false),
ParamsFor<mat2x2<f32>>((default_mat2x2.align - 1) * 7, false),
ParamsFor<mat3x3<f32>>((default_mat3x3.align - 1) * 7, false),
ParamsFor<mat4x4<f32>>((default_mat4x4.align - 1) * 7, false)));
TEST_F(ArrayStrideTest, DuplicateDecoration) {
auto* arr = ty.array(Source{{12, 34}}, ty.i32(), 4,
{
create<ast::StrideDecoration>(Source{{12, 34}}, 4),
create<ast::StrideDecoration>(Source{{56, 78}}, 4),
});
Global("myarray", arr, ast::StorageClass::kInput);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate stride decoration
12:34 note: first decoration declared here)");
}
} // namespace
} // namespace ArrayStrideTests
namespace StructBlockTests {
namespace {
using StructBlockTest = ResolverTest;
TEST_F(StructBlockTest, StructUsedAsArrayElement) {
auto* s = Structure("S", {Member("x", ty.i32())},
{create<ast::StructBlockDecoration>()});
auto* a = ty.array(ty.Of(s), 4);
Global("G", a, ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: A structure type with a [[block]] decoration cannot be "
"used as an element of an array");
}
} // namespace
} // namespace StructBlockTests
namespace ResourceTests {
namespace {
using ResourceDecorationTest = ResolverTest;
TEST_F(ResourceDecorationTest, UniformBufferMissingBinding) {
auto* s = Structure("S", {Member("x", ty.i32())},
{create<ast::StructBlockDecoration>()});
Global(Source{{12, 34}}, "G", ty.Of(s), ast::StorageClass::kUniform);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: resource variables require [[group]] and [[binding]] "
"decorations");
}
TEST_F(ResourceDecorationTest, StorageBufferMissingBinding) {
auto* s = Structure("S", {Member("x", ty.i32())},
{create<ast::StructBlockDecoration>()});
Global(Source{{12, 34}}, "G", ty.Of(s), ast::StorageClass::kStorage,
ast::Access::kRead);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: resource variables require [[group]] and [[binding]] "
"decorations");
}
TEST_F(ResourceDecorationTest, TextureMissingBinding) {
Global(Source{{12, 34}}, "G", ty.depth_texture(ast::TextureDimension::k2d),
ast::StorageClass::kNone);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: resource variables require [[group]] and [[binding]] "
"decorations");
}
TEST_F(ResourceDecorationTest, SamplerMissingBinding) {
Global(Source{{12, 34}}, "G", ty.sampler(ast::SamplerKind::kSampler),
ast::StorageClass::kNone);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: resource variables require [[group]] and [[binding]] "
"decorations");
}
TEST_F(ResourceDecorationTest, BindingPairMissingBinding) {
Global(Source{{12, 34}}, "G", ty.sampler(ast::SamplerKind::kSampler),
ast::StorageClass::kNone,
ast::DecorationList{
create<ast::GroupDecoration>(1),
});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: resource variables require [[group]] and [[binding]] "
"decorations");
}
TEST_F(ResourceDecorationTest, BindingPairMissingGroup) {
Global(Source{{12, 34}}, "G", ty.sampler(ast::SamplerKind::kSampler),
ast::StorageClass::kNone,
ast::DecorationList{
create<ast::BindingDecoration>(1),
});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: resource variables require [[group]] and [[binding]] "
"decorations");
}
TEST_F(ResourceDecorationTest, BindingPointUsedTwiceByEntryPoint) {
Global(Source{{12, 34}}, "A",
ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()),
ast::StorageClass::kNone,
ast::DecorationList{
create<ast::BindingDecoration>(1),
create<ast::GroupDecoration>(2),
});
Global(Source{{56, 78}}, "B",
ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()),
ast::StorageClass::kNone,
ast::DecorationList{
create<ast::BindingDecoration>(1),
create<ast::GroupDecoration>(2),
});
Func("F", {}, ty.void_(),
{
Decl(Var("a", ty.vec4<f32>(), ast::StorageClass::kNone,
Call("textureLoad", "A", vec2<i32>(1, 2), 0))),
Decl(Var("b", ty.vec4<f32>(), ast::StorageClass::kNone,
Call("textureLoad", "B", vec2<i32>(1, 2), 0))),
},
{Stage(ast::PipelineStage::kFragment)});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
R"(56:78 error: entry point 'F' references multiple variables that use the same resource binding [[group(2), binding(1)]]
12:34 note: first resource binding usage declared here)");
}
TEST_F(ResourceDecorationTest, BindingPointUsedTwiceByDifferentEntryPoints) {
Global(Source{{12, 34}}, "A",
ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()),
ast::StorageClass::kNone,
ast::DecorationList{
create<ast::BindingDecoration>(1),
create<ast::GroupDecoration>(2),
});
Global(Source{{56, 78}}, "B",
ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()),
ast::StorageClass::kNone,
ast::DecorationList{
create<ast::BindingDecoration>(1),
create<ast::GroupDecoration>(2),
});
Func("F_A", {}, ty.void_(),
{
Decl(Var("a", ty.vec4<f32>(), ast::StorageClass::kNone,
Call("textureLoad", "A", vec2<i32>(1, 2), 0))),
},
{Stage(ast::PipelineStage::kFragment)});
Func("F_B", {}, ty.void_(),
{
Decl(Var("b", ty.vec4<f32>(), ast::StorageClass::kNone,
Call("textureLoad", "B", vec2<i32>(1, 2), 0))),
},
{Stage(ast::PipelineStage::kFragment)});
EXPECT_TRUE(r()->Resolve()) << r()->error();
}
TEST_F(ResourceDecorationTest, BindingPointOnNonResource) {
Global(Source{{12, 34}}, "G", ty.f32(), ast::StorageClass::kPrivate,
ast::DecorationList{
create<ast::BindingDecoration>(1),
create<ast::GroupDecoration>(2),
});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: non-resource variables must not have [[group]] or "
"[[binding]] decorations");
}
} // namespace
} // namespace ResourceTests
namespace WorkgroupDecorationTests {
namespace {
using WorkgroupDecoration = ResolverTest;
TEST_F(WorkgroupDecoration, NotAnEntryPoint) {
Func("main", {}, ty.void_(), {},
{create<ast::WorkgroupDecoration>(Source{{12, 34}}, Expr(1))});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: the workgroup_size attribute is only valid for "
"compute stages");
}
TEST_F(WorkgroupDecoration, NotAComputeShader) {
Func("main", {}, ty.void_(), {},
{Stage(ast::PipelineStage::kFragment),
create<ast::WorkgroupDecoration>(Source{{12, 34}}, Expr(1))});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: the workgroup_size attribute is only valid for "
"compute stages");
}
TEST_F(WorkgroupDecoration, DuplicateDecoration) {
Func(Source{{12, 34}}, "main", {}, ty.void_(), {},
{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize(Source{{12, 34}}, 1, nullptr, nullptr),
WorkgroupSize(Source{{56, 78}}, 2, nullptr, nullptr),
});
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
R"(56:78 error: duplicate workgroup_size decoration
12:34 note: first decoration declared here)");
}
} // namespace
} // namespace WorkgroupDecorationTests
} // namespace resolver
} // namespace tint