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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| 
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| #import <UIKit/UIKit.h>
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| #import <XCTest/XCTest.h>
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| 
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| #include <memory>
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| 
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| #include "absl/memory/memory.h"
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| #include "mediapipe/framework/port/threadpool.h"
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| 
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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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| 
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| @interface MPPGraphGPUDataTests : XCTestCase {
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| }
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| @end
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| 
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| @implementation MPPGraphGPUDataTests
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| 
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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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| 
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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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| 
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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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| 
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| @end
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