mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
8afcb0fe2d
The array should be in column-major format, in the format used by vector_math.dart. R=abarth@chromium.org Review URL: https://codereview.chromium.org/1155193004
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef SKY_ENGINE_TONIC_FLOAT32_LIST_H_
|
|
#define SKY_ENGINE_TONIC_FLOAT32_LIST_H_
|
|
|
|
#include "dart/runtime/include/dart_api.h"
|
|
#include "sky/engine/tonic/dart_converter.h"
|
|
|
|
namespace blink {
|
|
|
|
// A simple wrapper around a Dart Float32List. It uses Dart_TypedDataAcquireData
|
|
// to obtain a raw pointer to the data, which is released when this object is
|
|
// destroyed.
|
|
//
|
|
// This is designed to be used with DartConverter only.
|
|
class Float32List {
|
|
public:
|
|
explicit Float32List(Dart_Handle list);
|
|
Float32List(Float32List&& other);
|
|
~Float32List();
|
|
|
|
const float* data() const { return data_; }
|
|
intptr_t num_elements() const { return num_elements_; }
|
|
|
|
private:
|
|
float* data_;
|
|
intptr_t num_elements_;
|
|
Dart_Handle dart_handle_;
|
|
|
|
Float32List(const Float32List& other) = delete;
|
|
};
|
|
|
|
template <>
|
|
struct DartConverter<Float32List> {
|
|
static Float32List FromArgumentsWithNullCheck(Dart_NativeArguments args,
|
|
int index,
|
|
Dart_Handle& exception);
|
|
};
|
|
|
|
} // namespace blink
|
|
|
|
#endif // SKY_ENGINE_TONIC_FLOAT32_LIST_H_
|