87 lines
2.9 KiB
Plaintext
87 lines
2.9 KiB
Plaintext
// Copyright 2019 The MediaPipe 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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#import <UIKit/UIKit.h>
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#import <XCTest/XCTest.h>
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#include <memory>
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#include "absl/memory/memory.h"
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#include "mediapipe/framework/port/threadpool.h"
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#import "mediapipe/gpu/MPPGraphGPUData.h"
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#import "mediapipe/gpu/gpu_shared_data_internal.h"
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@interface MPPGraphGPUDataTests : XCTestCase {
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}
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@end
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@implementation MPPGraphGPUDataTests
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// This test verifies that the internal Objective-C object is correctly
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// released when the C++ wrapper is released.
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- (void)testCorrectlyReleased {
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__weak id gpuData = nil;
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std::weak_ptr<mediapipe::GpuResources> gpuRes;
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@autoreleasepool {
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mediapipe::GpuSharedData gpu_shared;
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gpuRes = gpu_shared.gpu_resources;
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gpuData = gpu_shared.gpu_resources->ios_gpu_data();
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XCTAssertNotEqual(gpuRes.lock(), nullptr);
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XCTAssertNotNil(gpuData);
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}
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XCTAssertEqual(gpuRes.lock(), nullptr);
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XCTAssertNil(gpuData);
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}
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// This test verifies that the lazy initialization of the glContext instance
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// variable is thread-safe. All threads should read the same value.
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- (void)testGlContextThreadSafeLazyInitialization {
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mediapipe::GpuSharedData gpu_shared;
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constexpr int kNumThreads = 10;
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EAGLContext* ogl_context[kNumThreads];
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auto pool = absl::make_unique<mediapipe::ThreadPool>(kNumThreads);
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pool->StartWorkers();
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for (int i = 0; i < kNumThreads; ++i) {
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pool->Schedule([&gpu_shared, &ogl_context, i] {
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ogl_context[i] = gpu_shared.gpu_resources->ios_gpu_data().glContext;
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});
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}
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pool.reset();
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for (int i = 0; i < kNumThreads - 1; ++i) {
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XCTAssertEqual(ogl_context[i], ogl_context[i + 1]);
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}
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}
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// This test verifies that the lazy initialization of the textureCache instance
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// variable is thread-safe. All threads should read the same value.
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- (void)testTextureCacheThreadSafeLazyInitialization {
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mediapipe::GpuSharedData gpu_shared;
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constexpr int kNumThreads = 10;
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CFHolder<CVOpenGLESTextureCacheRef> texture_cache[kNumThreads];
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auto pool = absl::make_unique<mediapipe::ThreadPool>(kNumThreads);
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pool->StartWorkers();
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for (int i = 0; i < kNumThreads; ++i) {
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pool->Schedule([&gpu_shared, &texture_cache, i] {
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texture_cache[i].reset(gpu_shared.gpu_resources->ios_gpu_data().textureCache);
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});
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}
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pool.reset();
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for (int i = 0; i < kNumThreads - 1; ++i) {
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XCTAssertEqual(*texture_cache[i], *texture_cache[i + 1]);
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}
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}
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@end
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