dawn-cmake/src/writer/append_vector.h
Ben Clayton 55ca24e696 [writer]: AppendVector() - support zero value vectors
These were not correctly handled, causing multiple writer issues.

Updated test stats:
3248 tests run, 2693 tests pass, 555 tests skipped, 0 tests failed

Fixed: tint:757
Change-Id: If92e9c2ceefe986c92ca47d23c8d6b64b155ca49
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/53081
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
2021-06-03 15:08:14 +00:00

45 lines
1.6 KiB
C++

// 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.
#ifndef SRC_WRITER_APPEND_VECTOR_H_
#define SRC_WRITER_APPEND_VECTOR_H_
#include "src/program_builder.h"
namespace tint {
namespace ast {
class Expression;
class TypeConstructorExpression;
} // namespace ast
namespace writer {
/// A helper function used to append a vector with an additional scalar.
/// All types must have been assigned to the expressions and their child nodes
/// before calling.
/// @param builder the program builder.
/// @param vector the vector to be appended. May be a scalar, `vec2` or `vec3`.
/// @param scalar the scalar to append to the vector. Must be a scalar.
/// @returns a vector expression containing the elements of `vector` followed by
/// the single element of `scalar` cast to the `vector` element type.
ast::TypeConstructorExpression* AppendVector(ProgramBuilder* builder,
ast::Expression* vector,
ast::Expression* scalar);
} // namespace writer
} // namespace tint
#endif // SRC_WRITER_APPEND_VECTOR_H_