decompose_memory_access.cc | Explore in Territory

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#include "src/tint/lang/hlsl/writer/ast_raise/decompose_memory_access.h"

#include <memory>
#include <string>
#include <unordered_map>
#include <utility>
#include <vector>

#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/core/type/array.h"
#include "src/tint/lang/core/type/atomic.h"
#include "src/tint/lang/core/type/reference.h"
#include "src/tint/lang/core/unary_op.h"
#include "src/tint/lang/wgsl/ast/assignment_statement.h"
#include "src/tint/lang/wgsl/ast/call_statement.h"
#include "src/tint/lang/wgsl/ast/disable_validation_attribute.h"
#include "src/tint/lang/wgsl/program/clone_context.h"
#include "src/tint/lang/wgsl/program/program_builder.h"
#include "src/tint/lang/wgsl/resolver/resolve.h"
#include "src/tint/lang/wgsl/sem/call.h"
#include "src/tint/lang/wgsl/sem/member_accessor_expression.h"
#include "src/tint/lang/wgsl/sem/statement.h"
#include "src/tint/lang/wgsl/sem/struct.h"
#include "src/tint/lang/wgsl/sem/variable.h"
#include "src/tint/utils/containers/map.h"
#include "src/tint/utils/math/hash.h"
#include "src/tint/utils/memory/block_allocator.h"
#include "src/tint/utils/rtti/switch.h"
#include "src/tint/utils/text/string_stream.h"

usingnamespacetint::core::number_suffixes;  // NOLINT
usingnamespacetint::core::fluent_types;     // NOLINT

TINT_INSTANTIATE_TYPEINFO(…);
TINT_INSTANTIATE_TYPEINFO(…);

namespace tint::hlsl::writer {

namespace {

bool ShouldRun(const Program& program) { … }

/// Offset is a simple Expression builder interface, used to build byte
/// offsets for storage and uniform buffer accesses.
struct Offset : Castable<Offset> { … };

/// OffsetExpr is an implementation of Offset that clones and casts the given
/// expression to `u32`.
struct OffsetExpr : Offset { … };

/// OffsetLiteral is an implementation of Offset that constructs a u32 literal
/// value.
struct OffsetLiteral final : Castable<OffsetLiteral, Offset> { … };

/// OffsetBinOp is an implementation of Offset that constructs a binary-op of
/// two Offsets.
struct OffsetBinOp : Offset { … };

/// LoadStoreKey is the unordered map key to a load or store intrinsic.
struct LoadStoreKey { … };

/// AtomicKey is the unordered map key to an atomic intrinsic.
struct AtomicKey { … };

bool IntrinsicDataTypeFor(const core::type::Type* ty,
                          DecomposeMemoryAccess::Intrinsic::DataType& out) { … }

/// @returns a DecomposeMemoryAccess::Intrinsic attribute that can be applied to a stub function to
/// load the type @p ty from the uniform or storage buffer with name @p buffer.
DecomposeMemoryAccess::Intrinsic* IntrinsicLoadFor(ast::Builder* builder,
                                                   const core::type::Type* ty,
                                                   core::AddressSpace address_space,
                                                   const Symbol& buffer) { … }

/// @returns a DecomposeMemoryAccess::Intrinsic attribute that can be applied to a stub function to
/// store the type @p ty to the storage buffer with name @p buffer.
DecomposeMemoryAccess::Intrinsic* IntrinsicStoreFor(ast::Builder* builder,
                                                    const core::type::Type* ty,
                                                    const Symbol& buffer) { … }

/// @returns a DecomposeMemoryAccess::Intrinsic attribute that can be applied to a stub function for
/// the atomic op and the type @p ty.
DecomposeMemoryAccess::Intrinsic* IntrinsicAtomicFor(ast::Builder* builder,
                                                     wgsl::BuiltinFn ity,
                                                     const core::type::Type* ty,
                                                     const Symbol& buffer) { … }

/// BufferAccess describes a single storage or uniform buffer access
struct BufferAccess { … };

/// Store describes a single storage or uniform buffer write
struct Store { … };

}  // namespace

/// PIMPL state for the transform
struct DecomposeMemoryAccess::State { … };

DecomposeMemoryAccess::Intrinsic::Intrinsic(GenerationID pid,
                                            ast::NodeID nid,
                                            Op o,
                                            DataType ty,
                                            core::AddressSpace as,
                                            const ast::IdentifierExpression* buf)
    : … { … }
DecomposeMemoryAccess::Intrinsic::~Intrinsic() = default;
std::string DecomposeMemoryAccess::Intrinsic::InternalName() const { … }

const DecomposeMemoryAccess::Intrinsic* DecomposeMemoryAccess::Intrinsic::Clone(
    ast::CloneContext& ctx) const { … }

bool DecomposeMemoryAccess::Intrinsic::IsAtomic() const { … }

const ast::IdentifierExpression* DecomposeMemoryAccess::Intrinsic::Buffer() const { … }

DecomposeMemoryAccess::DecomposeMemoryAccess() = default;
DecomposeMemoryAccess::~DecomposeMemoryAccess() = default;

ast::transform::Transform::ApplyResult DecomposeMemoryAccess::Apply(
    const Program& src,
    const ast::transform::DataMap&,
    ast::transform::DataMap&) const { … }

}  // namespace tint::hlsl::writer

TINT_INSTANTIATE_TYPEINFO(…);
TINT_INSTANTIATE_TYPEINFO(…);
chromium/third_party/dawn/src/tint/lang/hlsl/writer/ast_raise/decompose_memory_access.cc
