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https://github.com/encounter/dawn-cmake.git
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8e1d177590
These should always be generated by the resolver, not manually constructed by transforms. This also fixes duplicate intrinsic output from DecomposeStorageAccess. Bug: tint:724 Change-Id: I979d55f7b141f38c0504dc72cc3c63e8353ac14f Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49881 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com>
139 lines
5.0 KiB
C++
139 lines
5.0 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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#ifndef SRC_SEM_TYPE_H_
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#define SRC_SEM_TYPE_H_
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#include <string>
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#include "src/castable.h"
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namespace tint {
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// Forward declarations
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class ProgramBuilder;
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class SymbolTable;
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namespace sem {
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/// Supported memory layouts for calculating sizes
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enum class MemoryLayout { kUniformBuffer, kStorageBuffer };
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/// Base class for a type in the system
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class Type : public Castable<Type> {
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public:
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/// Move constructor
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Type(Type&&);
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~Type() override;
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/// @returns the name for this type. The type name is unique over all types.
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virtual std::string type_name() const = 0;
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/// @param symbols the program's symbol table
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/// @returns the name for this type that closely resembles how it would be
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/// declared in WGSL.
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virtual std::string FriendlyName(const SymbolTable& symbols) const = 0;
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/// @returns the pointee type if this is a pointer, `this` otherwise
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Type* UnwrapPtrIfNeeded();
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/// @returns the pointee type if this is a pointer, `this` otherwise
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const Type* UnwrapPtrIfNeeded() const {
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return const_cast<Type*>(this)->UnwrapPtrIfNeeded();
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}
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/// @returns the most deeply nested aliased type if this is an alias, `this`
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/// otherwise
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Type* UnwrapAliasIfNeeded();
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/// @returns the most deeply nested aliased type if this is an alias, `this`
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/// otherwise
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const Type* UnwrapAliasIfNeeded() const {
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return const_cast<Type*>(this)->UnwrapAliasIfNeeded();
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}
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/// Removes all levels of aliasing and access control.
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/// This is just enough to assist with WGSL translation
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/// in that you want see through one level of pointer to get from an
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/// identifier-like expression as an l-value to its corresponding r-value,
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/// plus see through the wrappers on either side.
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/// @returns the completely unaliased type.
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Type* UnwrapIfNeeded();
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/// Removes all levels of aliasing and access control.
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/// This is just enough to assist with WGSL translation
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/// in that you want see through one level of pointer to get from an
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/// identifier-like expression as an l-value to its corresponding r-value,
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/// plus see through the wrappers on either side.
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/// @returns the completely unaliased type.
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const Type* UnwrapIfNeeded() const {
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return const_cast<Type*>(this)->UnwrapIfNeeded();
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}
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/// Returns the type found after:
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/// - removing all layers of aliasing and access control if they exist, then
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/// - removing the pointer, if it exists, then
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/// - removing all further layers of aliasing or access control, if they exist
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/// @returns the unwrapped type
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Type* UnwrapAll();
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/// Returns the type found after:
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/// - removing all layers of aliasing and access control if they exist, then
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/// - removing the pointer, if it exists, then
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/// - removing all further layers of aliasing or access control, if they exist
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/// @returns the unwrapped type
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const Type* UnwrapAll() const { return const_cast<Type*>(this)->UnwrapAll(); }
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/// @returns true if this type is a scalar
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bool is_scalar() const;
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/// @returns true if this type is a numeric scalar
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bool is_numeric_scalar() const;
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/// @returns true if this type is a float scalar
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bool is_float_scalar() const;
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/// @returns true if this type is a float matrix
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bool is_float_matrix() const;
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/// @returns true if this type is a float vector
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bool is_float_vector() const;
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/// @returns true if this type is a float scalar or vector
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bool is_float_scalar_or_vector() const;
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/// @returns true if this type is a float scalar or vector or matrix
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bool is_float_scalar_or_vector_or_matrix() const;
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/// @returns true if this type is an integer scalar
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bool is_integer_scalar() const;
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/// @returns true if this type is a signed integer vector
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bool is_signed_integer_vector() const;
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/// @returns true if this type is an unsigned vector
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bool is_unsigned_integer_vector() const;
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/// @returns true if this type is an unsigned scalar or vector
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bool is_unsigned_scalar_or_vector() const;
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/// @returns true if this type is a signed scalar or vector
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bool is_signed_scalar_or_vector() const;
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/// @returns true if this type is an integer scalar or vector
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bool is_integer_scalar_or_vector() const;
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/// @returns true if this type is a boolean vector
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bool is_bool_vector() const;
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/// @returns true if this type is boolean scalar or vector
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bool is_bool_scalar_or_vector() const;
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/// @returns true if this type is a handle type
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bool is_handle() const;
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protected:
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Type();
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};
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} // namespace sem
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} // namespace tint
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#endif // SRC_SEM_TYPE_H_
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