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// Copyright 2020 The Dawn 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.
#include "tests/DawnTest.h"
#include "dawn_native/metal/DeviceMTL.h"
using namespace dawn_native::metal;
class MetalAutoreleasePoolTests : public DawnTest {
private:
void TestSetUp() override {
DAWN_SKIP_TEST_IF(UsesWire());
mMtlDevice = reinterpret_cast<Device*>(device.Get());
}
protected:
Device* mMtlDevice = nullptr;
};
// Test that the MTLCommandBuffer owned by the pending command context can
// outlive an autoreleasepool block.
TEST_P(MetalAutoreleasePoolTests, CommandBufferOutlivesAutorelease) {
@autoreleasepool {
// Get the recording context which will allocate a MTLCommandBuffer.
// It will get autoreleased at the end of this block.
mMtlDevice->GetPendingCommandContext();
}
// Submitting the command buffer should succeed.
mMtlDevice->SubmitPendingCommandBuffer();
}
// Test that the MTLBlitCommandEncoder owned by the pending command context
// can outlive an autoreleasepool block.
TEST_P(MetalAutoreleasePoolTests, EncoderOutlivesAutorelease) {
@autoreleasepool {
// Get the recording context which will allocate a MTLCommandBuffer.
// Begin a blit encoder.
// Both will get autoreleased at the end of this block.
mMtlDevice->GetPendingCommandContext()->EnsureBlit();
}
// Submitting the command buffer should succeed.
mMtlDevice->GetPendingCommandContext()->EndBlit();
mMtlDevice->SubmitPendingCommandBuffer();
}
DAWN_INSTANTIATE_TEST(MetalAutoreleasePoolTests, MetalBackend);