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// Copyright 2018 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/unittests/validation/ValidationTest.h"
#include "utils/WGPUHelpers.h"
namespace {
class QueueSubmitValidationTest : public ValidationTest {
};
static void StoreTrueMapWriteCallback(WGPUBufferMapAsyncStatus status,
void*,
uint64_t,
void* userdata) {
*static_cast<bool*>(userdata) = true;
}
// Test submitting with a mapped buffer is disallowed
TEST_F(QueueSubmitValidationTest, SubmitWithMappedBuffer) {
// Create a map-write buffer.
wgpu::BufferDescriptor descriptor;
descriptor.usage = wgpu::BufferUsage::MapWrite | wgpu::BufferUsage::CopySrc;
descriptor.size = 4;
wgpu::Buffer buffer = device.CreateBuffer(&descriptor);
// Create a fake copy destination buffer
descriptor.usage = wgpu::BufferUsage::CopyDst;
wgpu::Buffer targetBuffer = device.CreateBuffer(&descriptor);
// Create a command buffer that reads from the mappable buffer.
wgpu::CommandBuffer commands;
{
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyBufferToBuffer(buffer, 0, targetBuffer, 0, 4);
commands = encoder.Finish();
}
wgpu::Queue queue = device.CreateQueue();
// Submitting when the buffer has never been mapped should succeed
queue.Submit(1, &commands);
// Map the buffer, submitting when the buffer is mapped should fail
bool mapWriteFinished = false;
buffer.MapWriteAsync(StoreTrueMapWriteCallback, &mapWriteFinished);
queue.Submit(0, nullptr);
ASSERT_TRUE(mapWriteFinished);
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
// Unmap the buffer, queue submit should succeed
buffer.Unmap();
queue.Submit(1, &commands);
}
} // anonymous namespace