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[inspector] Extract Read Only Storage Buffer data 

BUG=tint:257

Change-Id: Ie9486726b2a164971d720f4496a87a0bd118ebde
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31760
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
This commit is contained in:
Ryan Harrison 2020-11-03 22:19:50 +00:00 committed by Commit Bot service account
parent 34a2eb1999
commit e862fde45c
3 changed files with 326 additions and 71 deletions
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70
src/inspector/inspector.cc
View File

@ -26,6 +26,7 @@
#include "src/ast/null_literal.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/sint_literal.h"
#include "src/ast/type/access_control_type.h"
#include "src/ast/type/struct_type.h"
#include "src/ast/type/type.h"
#include "src/ast/uint_literal.h"
@ -172,36 +173,13 @@ std::vector<ResourceBinding> Inspector::GetUniformBufferResourceBindings(
std::vector<ResourceBinding> Inspector::GetStorageBufferResourceBindings(
const std::string& entry_point) {
auto* func = FindEntryPointByName(entry_point);
if (!func) {
return {};
}
std::vector<ResourceBinding> result;
for (auto& ruv : func->referenced_storagebuffer_variables()) {
ResourceBinding entry;
ast::Variable* var = nullptr;
ast::Function::BindingInfo binding_info;
std::tie(var, binding_info) = ruv;
if (!var->type()->IsStruct()) {
continue;
}
entry.bind_group = binding_info.set->value();
entry.binding = binding_info.binding->value();
entry.min_buffer_binding_size = var->type()->MinBufferBindingSize(
ast::type::MemoryLayout::kStorageBuffer);
result.push_back(std::move(entry));
}
return result;
return GetStorageBufferResourceBindingsImpl(entry_point, false);
}
std::vector<ResourceBinding>
Inspector::GetReadOnlyStorageBufferResourceBindings(const std::string&) {
error_ += "GetReadOnlyStorageBufferResourceBindings is not implemented!";
return {};
Inspector::GetReadOnlyStorageBufferResourceBindings(
const std::string& entry_point) {
return GetStorageBufferResourceBindingsImpl(entry_point, true);
}
ast::Function* Inspector::FindEntryPointByName(const std::string& name) {
@ -219,5 +197,43 @@ ast::Function* Inspector::FindEntryPointByName(const std::string& name) {
return func;
}
std::vector<ResourceBinding> Inspector::GetStorageBufferResourceBindingsImpl(
const std::string& entry_point,
bool read_only) {
auto* func = FindEntryPointByName(entry_point);
if (!func) {
return {};
}
std::vector<ResourceBinding> result;
for (auto& ruv : func->referenced_storagebuffer_variables()) {
ResourceBinding entry;
ast::Variable* var = nullptr;
ast::Function::BindingInfo binding_info;
std::tie(var, binding_info) = ruv;
if (!var->type()->IsAccessControl()) {
continue;
}
auto* ac_type = var->type()->AsAccessControl();
if (read_only != ac_type->IsReadOnly()) {
continue;
}
if (!ac_type->type()->IsStruct()) {
continue;
}
entry.bind_group = binding_info.set->value();
entry.binding = binding_info.binding->value();
entry.min_buffer_binding_size = var->type()->MinBufferBindingSize(
ast::type::MemoryLayout::kStorageBuffer);
result.push_back(std::move(entry));
}
return result;
}
} // namespace inspector
} // namespace tint

8
src/inspector/inspector.h
View File

@ -84,6 +84,14 @@ class Inspector {
/// @returns a pointer to the entry point if it exists, otherwise returns
/// nullptr and sets the error string.
ast::Function* FindEntryPointByName(const std::string& name);
/// @param entry_point name of the entry point to get information about.
/// @param read_only get only read only if true, otherwise get everything
/// else.
/// @returns vector of all of the bindings for the request storage buffers.
std::vector<ResourceBinding> GetStorageBufferResourceBindingsImpl(
const std::string& entry_point,
bool read_only);
};
} // namespace inspector

319
src/inspector/inspector_test.cc
View File

@ -39,6 +39,7 @@
#include "src/ast/struct_member.h"
#include "src/ast/struct_member_decoration.h"
#include "src/ast/struct_member_offset_decoration.h"
#include "src/ast/type/access_control_type.h"
#include "src/ast/type/array_type.h"
#include "src/ast/type/bool_type.h"
#include "src/ast/type/f32_type.h"
@ -289,30 +290,52 @@ class InspectorHelper {
return MakeStructType(name, members_info, true);
}
/// Generates a struct type appropriate for using in an storage buffer
/// Generates a struct type appropriate for using in a storage buffer
/// @param name name for the type
/// @param members_info a vector of {type, offset} where each entry is the
/// type and offset of a member of the struct
/// @returns a struct type suitable to use for an uniform buffer
std::unique_ptr<ast::type::StructType> MakeStorageBufferStructType(
std::tuple<std::unique_ptr<ast::type::StructType>,
std::unique_ptr<ast::type::AccessControlType>>
MakeStorageBufferStructType(
const std::string& name,
std::vector<std::tuple<ast::type::Type*, uint32_t>> members_info) {
return MakeStructType(name, members_info, false);
auto struct_type = MakeStructType(name, members_info, false);
auto access_type = std::make_unique<ast::type::AccessControlType>(
ast::AccessControl::kReadWrite, struct_type.get());
return {std::move(struct_type), std::move(access_type)};
}
/// Generates a struct type appropriate for using in a read only storage
/// buffer.
/// @param name name for the type
/// @param members_info a vector of {type, offset} where each entry is the
/// type and offset of a member of the struct
/// @returns a struct type suitable to use for an uniform buffer
std::tuple<std::unique_ptr<ast::type::StructType>,
std::unique_ptr<ast::type::AccessControlType>>
MakeReadOnlyStorageBufferStructType(
const std::string& name,
std::vector<std::tuple<ast::type::Type*, uint32_t>> members_info) {
auto struct_type = MakeStructType(name, members_info, false);
auto access_type = std::make_unique<ast::type::AccessControlType>(
ast::AccessControl::kReadOnly, struct_type.get());
return {std::move(struct_type), std::move(access_type)};
}
/// Adds a binding variable with a struct type to the module
/// @param name the name of the variable
/// @param struct_type the type to use
/// @param type the type to use
/// @param storage_class the storage class to use
/// @param set the binding group/set to use for the uniform buffer
/// @param binding the binding number to use for the uniform buffer
void AddStructBinding(const std::string& name,
ast::type::StructType* struct_type,
ast::StorageClass storage_class,
uint32_t set,
uint32_t binding) {
void AddBinding(const std::string& name,
ast::type::Type* type,
ast::StorageClass storage_class,
uint32_t set,
uint32_t binding) {
auto var = std::make_unique<ast::DecoratedVariable>(
std::make_unique<ast::Variable>(name, storage_class, struct_type));
std::make_unique<ast::Variable>(name, storage_class, type));
ast::VariableDecorationList decorations;
decorations.push_back(
@ -325,28 +348,26 @@ class InspectorHelper {
/// Adds an uniform buffer variable to the module
/// @param name the name of the variable
/// @param struct_type the type to use
/// @param type the type to use
/// @param set the binding group/set to use for the uniform buffer
/// @param binding the binding number to use for the uniform buffer
void AddUniformBuffer(const std::string& name,
ast::type::StructType* struct_type,
ast::type::Type* type,
uint32_t set,
uint32_t binding) {
AddStructBinding(name, struct_type, ast::StorageClass::kUniform, set,
binding);
AddBinding(name, type, ast::StorageClass::kUniform, set, binding);
}
/// Adds an storage buffer variable to the module
/// @param name the name of the variable
/// @param struct_type the type to use
/// @param type the type to use
/// @param set the binding group/set to use for the storage buffer
/// @param binding the binding number to use for the storage buffer
void AddStorageBuffer(const std::string& name,
ast::type::StructType* struct_type,
ast::type::Type* type,
uint32_t set,
uint32_t binding) {
AddStructBinding(name, struct_type, ast::StorageClass::kStorageBuffer, set,
binding);
AddBinding(name, type, ast::StorageClass::kStorageBuffer, set, binding);
}
/// Generates a function that references a specific struct variable
@ -427,8 +448,10 @@ class InspectorTest : public InspectorHelper, public testing::Test {};
class InspectorGetEntryPointTest : public InspectorTest {};
class InspectorGetConstantIDsTest : public InspectorTest {};
class InspectorGetUniformBufferResourceBindings : public InspectorTest {};
class InspectorGetStorageBufferResourceBindings : public InspectorTest {};
class InspectorGetUniformBufferResourceBindingsTest : public InspectorTest {};
class InspectorGetStorageBufferResourceBindingsTest : public InspectorTest {};
class InspectorGetReadOnlyStorageBufferResourceBindingsTest
: public InspectorTest {};
TEST_F(InspectorGetEntryPointTest, NoFunctions) {
auto result = inspector()->GetEntryPoints();
@ -839,14 +862,14 @@ TEST_F(InspectorGetConstantIDsTest, Float) {
EXPECT_FLOAT_EQ(15.0, result[4000].AsFloat());
}
TEST_F(InspectorGetUniformBufferResourceBindings, MissingEntryPoint) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, MissingEntryPoint) {
auto result = inspector()->GetUniformBufferResourceBindings("ep_func");
ASSERT_TRUE(inspector()->has_error());
std::string error = inspector()->error();
EXPECT_TRUE(error.find("not found") != std::string::npos);
}
TEST_F(InspectorGetUniformBufferResourceBindings, NonEntryPointFunc) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, NonEntryPointFunc) {
auto foo_type = MakeUniformBufferStructType("foo_type", {{i32_type(), 0}});
AddUniformBuffer("foo_ub", foo_type.get(), 0, 0);
@ -866,7 +889,7 @@ TEST_F(InspectorGetUniformBufferResourceBindings, NonEntryPointFunc) {
EXPECT_TRUE(error.find("not an entry point") != std::string::npos);
}
TEST_F(InspectorGetUniformBufferResourceBindings, MissingBlockDeco) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, MissingBlockDeco) {
ast::StructMemberList members;
ast::StructMemberDecorationList deco;
deco.push_back(
@ -901,7 +924,7 @@ TEST_F(InspectorGetUniformBufferResourceBindings, MissingBlockDeco) {
EXPECT_EQ(0u, result.size());
}
TEST_F(InspectorGetUniformBufferResourceBindings, Simple) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, Simple) {
auto foo_type = MakeUniformBufferStructType("foo_type", {{i32_type(), 0}});
AddUniformBuffer("foo_ub", foo_type.get(), 0, 0);
@ -925,7 +948,7 @@ TEST_F(InspectorGetUniformBufferResourceBindings, Simple) {
EXPECT_EQ(16u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetUniformBufferResourceBindings, MultipleMembers) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, MultipleMembers) {
auto foo_type = MakeUniformBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_type(), 4}, {f32_type(), 8}});
AddUniformBuffer("foo_ub", foo_type.get(), 0, 0);
@ -950,7 +973,7 @@ TEST_F(InspectorGetUniformBufferResourceBindings, MultipleMembers) {
EXPECT_EQ(16u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetUniformBufferResourceBindings, MultipleUniformBuffers) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, MultipleUniformBuffers) {
auto ub_type = MakeUniformBufferStructType(
"ub_type", {{i32_type(), 0}, {u32_type(), 4}, {f32_type(), 8}});
AddUniformBuffer("ub_foo", ub_type.get(), 0, 0);
@ -1008,7 +1031,7 @@ TEST_F(InspectorGetUniformBufferResourceBindings, MultipleUniformBuffers) {
EXPECT_EQ(16u, result[2].min_buffer_binding_size);
}
TEST_F(InspectorGetUniformBufferResourceBindings, ContainingArray) {
TEST_F(InspectorGetUniformBufferResourceBindingsTest, ContainingArray) {
auto foo_type = MakeUniformBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_array_type(4), 4}});
AddUniformBuffer("foo_ub", foo_type.get(), 0, 0);
@ -1033,9 +1056,12 @@ TEST_F(InspectorGetUniformBufferResourceBindings, ContainingArray) {
EXPECT_EQ(32u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetStorageBufferResourceBindings, Simple) {
auto foo_type = MakeStorageBufferStructType("foo_type", {{i32_type(), 0}});
AddStorageBuffer("foo_sb", foo_type.get(), 0, 0);
TEST_F(InspectorGetStorageBufferResourceBindingsTest, Simple) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) =
MakeStorageBufferStructType("foo_type", {{i32_type(), 0}});
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
@ -1057,10 +1083,12 @@ TEST_F(InspectorGetStorageBufferResourceBindings, Simple) {
EXPECT_EQ(4u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetStorageBufferResourceBindings, MultipleMembers) {
auto foo_type = MakeStorageBufferStructType(
TEST_F(InspectorGetStorageBufferResourceBindingsTest, MultipleMembers) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) = MakeStorageBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_type(), 4}, {f32_type(), 8}});
AddStorageBuffer("foo_sb", foo_type.get(), 0, 0);
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction(
"sb_func", "foo_sb", {{0, i32_type()}, {1, u32_type()}, {2, f32_type()}});
@ -1082,12 +1110,14 @@ TEST_F(InspectorGetStorageBufferResourceBindings, MultipleMembers) {
EXPECT_EQ(12u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetStorageBufferResourceBindings, MultipleStorageBuffers) {
auto sb_type = MakeStorageBufferStructType(
TEST_F(InspectorGetStorageBufferResourceBindingsTest, MultipleStorageBuffers) {
std::unique_ptr<ast::type::StructType> sb_struct_type;
std::unique_ptr<ast::type::AccessControlType> sb_control_type;
std::tie(sb_struct_type, sb_control_type) = MakeStorageBufferStructType(
"sb_type", {{i32_type(), 0}, {u32_type(), 4}, {f32_type(), 8}});
AddStorageBuffer("sb_foo", sb_type.get(), 0, 0);
AddStorageBuffer("sb_bar", sb_type.get(), 0, 1);
AddStorageBuffer("sb_baz", sb_type.get(), 2, 0);
AddStorageBuffer("sb_foo", sb_control_type.get(), 0, 0);
AddStorageBuffer("sb_bar", sb_control_type.get(), 0, 1);
AddStorageBuffer("sb_baz", sb_control_type.get(), 2, 0);
auto AddReferenceFunc = [this](const std::string& func_name,
const std::string& var_name) {
@ -1140,10 +1170,12 @@ TEST_F(InspectorGetStorageBufferResourceBindings, MultipleStorageBuffers) {
EXPECT_EQ(12u, result[2].min_buffer_binding_size);
}
TEST_F(InspectorGetStorageBufferResourceBindings, ContainingArray) {
auto foo_type = MakeStorageBufferStructType(
TEST_F(InspectorGetStorageBufferResourceBindingsTest, ContainingArray) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) = MakeStorageBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_array_type(4), 4}});
AddStorageBuffer("foo_sb", foo_type.get(), 0, 0);
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
@ -1165,10 +1197,12 @@ TEST_F(InspectorGetStorageBufferResourceBindings, ContainingArray) {
EXPECT_EQ(20u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetStorageBufferResourceBindings, ContainingRuntimeArray) {
auto foo_type = MakeStorageBufferStructType(
TEST_F(InspectorGetStorageBufferResourceBindingsTest, ContainingRuntimeArray) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) = MakeStorageBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_array_type(0), 4}});
AddStorageBuffer("foo_sb", foo_type.get(), 0, 0);
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
@ -1190,6 +1224,203 @@ TEST_F(InspectorGetStorageBufferResourceBindings, ContainingRuntimeArray) {
EXPECT_EQ(8u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetStorageBufferResourceBindingsTest, SkipReadOnly) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) =
MakeReadOnlyStorageBufferStructType("foo_type", {{i32_type(), 0}});
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
mod()->AddFunction(std::move(sb_func));
auto ep_func = MakeCallerBodyFunction("ep_func", "sb_func");
ep_func->add_decoration(
std::make_unique<ast::StageDecoration>(ast::PipelineStage::kVertex));
mod()->AddFunction(std::move(ep_func));
ASSERT_TRUE(td()->Determine()) << td()->error();
auto result = inspector()->GetStorageBufferResourceBindings("ep_func");
ASSERT_FALSE(inspector()->has_error());
ASSERT_EQ(0u, result.size());
}
TEST_F(InspectorGetReadOnlyStorageBufferResourceBindingsTest, Simple) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) =
MakeReadOnlyStorageBufferStructType("foo_type", {{i32_type(), 0}});
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
mod()->AddFunction(std::move(sb_func));
auto ep_func = MakeCallerBodyFunction("ep_func", "sb_func");
ep_func->add_decoration(
std::make_unique<ast::StageDecoration>(ast::PipelineStage::kVertex));
mod()->AddFunction(std::move(ep_func));
ASSERT_TRUE(td()->Determine()) << td()->error();
auto result =
inspector()->GetReadOnlyStorageBufferResourceBindings("ep_func");
ASSERT_FALSE(inspector()->has_error());
ASSERT_EQ(1u, result.size());
EXPECT_EQ(0u, result[0].bind_group);
EXPECT_EQ(0u, result[0].binding);
EXPECT_EQ(4u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetReadOnlyStorageBufferResourceBindingsTest,
MultipleStorageBuffers) {
std::unique_ptr<ast::type::StructType> sb_struct_type;
std::unique_ptr<ast::type::AccessControlType> sb_control_type;
std::tie(sb_struct_type, sb_control_type) =
MakeReadOnlyStorageBufferStructType(
"sb_type", {{i32_type(), 0}, {u32_type(), 4}, {f32_type(), 8}});
AddStorageBuffer("sb_foo", sb_control_type.get(), 0, 0);
AddStorageBuffer("sb_bar", sb_control_type.get(), 0, 1);
AddStorageBuffer("sb_baz", sb_control_type.get(), 2, 0);
auto AddReferenceFunc = [this](const std::string& func_name,
const std::string& var_name) {
auto sb_func = MakeStructVariableReferenceBodyFunction(
func_name, var_name,
{{0, i32_type()}, {1, u32_type()}, {2, f32_type()}});
mod()->AddFunction(std::move(sb_func));
};
AddReferenceFunc("sb_foo_func", "sb_foo");
AddReferenceFunc("sb_bar_func", "sb_bar");
AddReferenceFunc("sb_baz_func", "sb_baz");
auto AddFuncCall = [](ast::BlockStatement* body, const std::string& callee) {
auto ident_expr = std::make_unique<ast::IdentifierExpression>(callee);
auto call_expr = std::make_unique<ast::CallExpression>(
std::move(ident_expr), ast::ExpressionList());
body->append(std::make_unique<ast::CallStatement>(std::move(call_expr)));
};
auto body = std::make_unique<ast::BlockStatement>();
AddFuncCall(body.get(), "sb_foo_func");
AddFuncCall(body.get(), "sb_bar_func");
AddFuncCall(body.get(), "sb_baz_func");
body->append(std::make_unique<ast::ReturnStatement>());
std::unique_ptr<ast::Function> func = std::make_unique<ast::Function>(
"ep_func", ast::VariableList(), void_type());
func->set_body(std::move(body));
func->add_decoration(
std::make_unique<ast::StageDecoration>(ast::PipelineStage::kVertex));
mod()->AddFunction(std::move(func));
ASSERT_TRUE(td()->Determine()) << td()->error();
auto result =
inspector()->GetReadOnlyStorageBufferResourceBindings("ep_func");
ASSERT_FALSE(inspector()->has_error());
ASSERT_EQ(3u, result.size());
EXPECT_EQ(0u, result[0].bind_group);
EXPECT_EQ(0u, result[0].binding);
EXPECT_EQ(12u, result[0].min_buffer_binding_size);
EXPECT_EQ(0u, result[1].bind_group);
EXPECT_EQ(1u, result[1].binding);
EXPECT_EQ(12u, result[1].min_buffer_binding_size);
EXPECT_EQ(2u, result[2].bind_group);
EXPECT_EQ(0u, result[2].binding);
EXPECT_EQ(12u, result[2].min_buffer_binding_size);
}
TEST_F(InspectorGetReadOnlyStorageBufferResourceBindingsTest, ContainingArray) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) =
MakeReadOnlyStorageBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_array_type(4), 4}});
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
mod()->AddFunction(std::move(sb_func));
auto ep_func = MakeCallerBodyFunction("ep_func", "sb_func");
ep_func->add_decoration(
std::make_unique<ast::StageDecoration>(ast::PipelineStage::kVertex));
mod()->AddFunction(std::move(ep_func));
ASSERT_TRUE(td()->Determine()) << td()->error();
auto result =
inspector()->GetReadOnlyStorageBufferResourceBindings("ep_func");
ASSERT_FALSE(inspector()->has_error());
ASSERT_EQ(1u, result.size());
EXPECT_EQ(0u, result[0].bind_group);
EXPECT_EQ(0u, result[0].binding);
EXPECT_EQ(20u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetReadOnlyStorageBufferResourceBindingsTest,
ContainingRuntimeArray) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) =
MakeReadOnlyStorageBufferStructType(
"foo_type", {{i32_type(), 0}, {u32_array_type(0), 4}});
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
mod()->AddFunction(std::move(sb_func));
auto ep_func = MakeCallerBodyFunction("ep_func", "sb_func");
ep_func->add_decoration(
std::make_unique<ast::StageDecoration>(ast::PipelineStage::kVertex));
mod()->AddFunction(std::move(ep_func));
ASSERT_TRUE(td()->Determine()) << td()->error();
auto result =
inspector()->GetReadOnlyStorageBufferResourceBindings("ep_func");
ASSERT_FALSE(inspector()->has_error());
ASSERT_EQ(1u, result.size());
EXPECT_EQ(0u, result[0].bind_group);
EXPECT_EQ(0u, result[0].binding);
EXPECT_EQ(8u, result[0].min_buffer_binding_size);
}
TEST_F(InspectorGetReadOnlyStorageBufferResourceBindingsTest, SkipNonReadOnly) {
std::unique_ptr<ast::type::StructType> foo_struct_type;
std::unique_ptr<ast::type::AccessControlType> foo_control_type;
std::tie(foo_struct_type, foo_control_type) =
MakeStorageBufferStructType("foo_type", {{i32_type(), 0}});
AddStorageBuffer("foo_sb", foo_control_type.get(), 0, 0);
auto sb_func = MakeStructVariableReferenceBodyFunction("sb_func", "foo_sb",
{{0, i32_type()}});
mod()->AddFunction(std::move(sb_func));
auto ep_func = MakeCallerBodyFunction("ep_func", "sb_func");
ep_func->add_decoration(
std::make_unique<ast::StageDecoration>(ast::PipelineStage::kVertex));
mod()->AddFunction(std::move(ep_func));
ASSERT_TRUE(td()->Determine()) << td()->error();
auto result =
inspector()->GetReadOnlyStorageBufferResourceBindings("ep_func");
ASSERT_FALSE(inspector()->has_error());
ASSERT_EQ(0u, result.size());
}
} // namespace
} // namespace inspector
} // namespace tint