Rename ContextLost to DeviceLost

DeviceLost is a better name because we don't have a "context" as in
OpenGL.

Bug: dawn:153
Change-Id: Idf7fcb731a0e138f46a81fb31f0d11ff58b4fa96
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/10541
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>

dawn.json

@@ -196,7 +196,7 @@
             {"value": 0, "name": "success"},
             {"value": 1, "name": "error"},
             {"value": 2, "name": "unknown"},
-            {"value": 3, "name": "context lost"}
+            {"value": 3, "name": "device lost"}
         ]
     },
     "buffer usage": {
@@ -580,7 +580,7 @@
             {"value": 0, "name": "success"},
             {"value": 1, "name": "error"},
             {"value": 2, "name": "unknown"},
-            {"value": 3, "name": "context lost"}
+            {"value": 3, "name": "device lost"}
         ]
     },
     "fence descriptor": {

generator/templates/opengl/OpenGLFunctionsBase.cpp

@@ -20,7 +20,7 @@ template<typename T>
 MaybeError OpenGLFunctionsBase::LoadProc(GetProcAddress getProc, T* memberProc, const char* name) {
     *memberProc = reinterpret_cast<T>(getProc(name));
     if (DAWN_UNLIKELY(memberProc == nullptr)) {
-        return DAWN_CONTEXT_LOST_ERROR(std::string("Couldn't load GL proc: ") + name);
+        return DAWN_DEVICE_LOST_ERROR(std::string("Couldn't load GL proc: ") + name);
     }
     return {};
 }

src/dawn_native/Error.h

@@ -25,7 +25,7 @@ namespace dawn_native {
     // file to avoid having all files including headers like <string> and <vector>
     class ErrorData;
 
-    enum class ErrorType : uint32_t { Validation, ContextLost, Unimplemented, OutOfMemory };
+    enum class ErrorType : uint32_t { Validation, DeviceLost, Unimplemented, OutOfMemory };
 
     // MaybeError and ResultOrError are meant to be used as return value for function that are not
     // expected to, but might fail. The handling of error is potentially much slower than successes.
@@ -46,7 +46,7 @@ namespace dawn_native {
 #define DAWN_MAKE_ERROR(TYPE, MESSAGE) \
     ::dawn_native::MakeError(TYPE, MESSAGE, __FILE__, __func__, __LINE__)
 #define DAWN_VALIDATION_ERROR(MESSAGE) DAWN_MAKE_ERROR(ErrorType::Validation, MESSAGE)
-#define DAWN_CONTEXT_LOST_ERROR(MESSAGE) DAWN_MAKE_ERROR(ErrorType::ContextLost, MESSAGE)
+#define DAWN_DEVICE_LOST_ERROR(MESSAGE) DAWN_MAKE_ERROR(ErrorType::DeviceLost, MESSAGE)
 #define DAWN_UNIMPLEMENTED_ERROR(MESSAGE) DAWN_MAKE_ERROR(ErrorType::Unimplemented, MESSAGE)
 #define DAWN_OUT_OF_MEMORY_ERROR(MESSAGE) DAWN_MAKE_ERROR(ErrorType::OutOfMemory, MESSAGE)
 

src/dawn_native/d3d12/AdapterD3D12.cpp

@@ -63,7 +63,7 @@ namespace dawn_native { namespace d3d12 {
         const PlatformFunctions* functions = GetBackend()->GetFunctions();
         if (FAILED(functions->d3d12CreateDevice(GetHardwareAdapter(), D3D_FEATURE_LEVEL_11_0,
                                                 _uuidof(ID3D12Device), &mD3d12Device))) {
-            return DAWN_CONTEXT_LOST_ERROR("D3D12CreateDevice failed");
+            return DAWN_DEVICE_LOST_ERROR("D3D12CreateDevice failed");
         }
 
         DAWN_TRY_ASSIGN(mDeviceInfo, GatherDeviceInfo(*this));

src/dawn_native/d3d12/BackendD3D12.cpp

@@ -61,7 +61,7 @@ namespace dawn_native { namespace d3d12 {
             }
 
             if (FAILED(functions->createDxgiFactory2(dxgiFactoryFlags, IID_PPV_ARGS(&factory)))) {
-                return DAWN_CONTEXT_LOST_ERROR("Failed to create a DXGI factory");
+                return DAWN_DEVICE_LOST_ERROR("Failed to create a DXGI factory");
             }
 
             ASSERT(factory != nullptr);

src/dawn_native/d3d12/D3D12Info.cpp

@@ -33,7 +33,7 @@ namespace dawn_native { namespace d3d12 {
             D3D12_FEATURE_DATA_ARCHITECTURE arch = {};
             if (FAILED(adapter.GetDevice()->CheckFeatureSupport(D3D12_FEATURE_ARCHITECTURE, &arch,
                                                                 sizeof(arch)))) {
-                return DAWN_CONTEXT_LOST_ERROR("CheckFeatureSupport failed");
+                return DAWN_DEVICE_LOST_ERROR("CheckFeatureSupport failed");
             }
 
             info.isUMA = arch.UMA;

src/dawn_native/d3d12/PlatformFunctions.cpp

@@ -44,7 +44,7 @@ namespace dawn_native { namespace d3d12 {
                                "D3D12SerializeVersionedRootSignature", &error) ||
             !mD3D12Lib.GetProc(&d3d12CreateVersionedRootSignatureDeserializer,
                                "D3D12CreateVersionedRootSignatureDeserializer", &error)) {
-            return DAWN_CONTEXT_LOST_ERROR(error.c_str());
+            return DAWN_DEVICE_LOST_ERROR(error.c_str());
         }
 
         return {};
@@ -55,7 +55,7 @@ namespace dawn_native { namespace d3d12 {
         if (!mDXGILib.Open("dxgi.dll", &error) ||
             !mDXGILib.GetProc(&dxgiGetDebugInterface1, "DXGIGetDebugInterface1", &error) ||
             !mDXGILib.GetProc(&createDxgiFactory2, "CreateDXGIFactory2", &error)) {
-            return DAWN_CONTEXT_LOST_ERROR(error.c_str());
+            return DAWN_DEVICE_LOST_ERROR(error.c_str());
         }
 
         return {};
@@ -65,7 +65,7 @@ namespace dawn_native { namespace d3d12 {
         std::string error;
         if (!mD3DCompilerLib.Open("d3dcompiler_47.dll", &error) ||
             !mD3DCompilerLib.GetProc(&d3dCompile, "D3DCompile", &error)) {
-            return DAWN_CONTEXT_LOST_ERROR(error.c_str());
+            return DAWN_DEVICE_LOST_ERROR(error.c_str());
         }
 
         return {};

src/dawn_native/d3d12/StagingBufferD3D12.cpp

@@ -42,7 +42,7 @@ namespace dawn_native { namespace d3d12 {
         // TODO(bryan.bernhart@intel.com): Record the GPU pointer for generic non-upload usage.
 
         if (FAILED(mUploadHeap->Map(0, nullptr, &mMappedPointer))) {
-            return DAWN_CONTEXT_LOST_ERROR("Unable to map staging buffer.");
+            return DAWN_DEVICE_LOST_ERROR("Unable to map staging buffer.");
         }
 
         return {};

src/dawn_native/metal/BackendMTL.mm

@@ -52,7 +52,7 @@ namespace dawn_native { namespace metal {
             }
 
             if (vendorId == 0) {
-                return DAWN_CONTEXT_LOST_ERROR("Failed to find vendor id with the device");
+                return DAWN_DEVICE_LOST_ERROR("Failed to find vendor id with the device");
             }
 
             // Set vendor id with 0
@@ -102,7 +102,7 @@ namespace dawn_native { namespace metal {
             // Get a matching dictionary for the IOGraphicsAccelerator2
             CFMutableDictionaryRef matchingDict = IORegistryEntryIDMatching([device registryID]);
             if (matchingDict == nullptr) {
-                return DAWN_CONTEXT_LOST_ERROR("Failed to create the matching dict for the device");
+                return DAWN_DEVICE_LOST_ERROR("Failed to create the matching dict for the device");
             }
 
             // IOServiceGetMatchingService will consume the reference on the matching dictionary,
@@ -110,7 +110,7 @@ namespace dawn_native { namespace metal {
             io_registry_entry_t acceleratorEntry =
                 IOServiceGetMatchingService(kIOMasterPortDefault, matchingDict);
             if (acceleratorEntry == IO_OBJECT_NULL) {
-                return DAWN_CONTEXT_LOST_ERROR(
+                return DAWN_DEVICE_LOST_ERROR(
                     "Failed to get the IO registry entry for the accelerator");
             }
 
@@ -119,8 +119,7 @@ namespace dawn_native { namespace metal {
             if (IORegistryEntryGetParentEntry(acceleratorEntry, kIOServicePlane, &deviceEntry) !=
                 kIOReturnSuccess) {
                 IOObjectRelease(acceleratorEntry);
-                return DAWN_CONTEXT_LOST_ERROR(
+                return DAWN_DEVICE_LOST_ERROR("Failed to get the IO registry entry for the device");
-                    "Failed to get the IO registry entry for the device");
             }
 
             ASSERT(deviceEntry != IO_OBJECT_NULL);

src/dawn_native/metal/StagingBufferMTL.mm

@@ -32,7 +32,7 @@ namespace dawn_native { namespace metal {
 
         mMappedPointer = [mBuffer contents];
         if (mMappedPointer == nullptr) {
-            return DAWN_CONTEXT_LOST_ERROR("Unable to map staging buffer.");
+            return DAWN_DEVICE_LOST_ERROR("Unable to map staging buffer.");
         }
 
         return {};

src/dawn_native/null/DeviceNull.cpp

@@ -173,7 +173,7 @@ namespace dawn_native { namespace null {
     MaybeError Device::IncrementMemoryUsage(size_t bytes) {
         static_assert(kMaxMemoryUsage <= std::numeric_limits<size_t>::max() / 2, "");
         if (bytes > kMaxMemoryUsage || mMemoryUsage + bytes > kMaxMemoryUsage) {
-            return DAWN_CONTEXT_LOST_ERROR("Out of memory.");
+            return DAWN_DEVICE_LOST_ERROR("Out of memory.");
         }
         mMemoryUsage += bytes;
         return {};

src/dawn_native/opengl/OpenGLFunctions.cpp

@@ -22,7 +22,7 @@ namespace dawn_native { namespace opengl {
     MaybeError OpenGLFunctions::Initialize(GetProcAddress getProc) {
         PFNGLGETSTRINGPROC getString = reinterpret_cast<PFNGLGETSTRINGPROC>(getProc("glGetString"));
         if (getString == nullptr) {
-            return DAWN_CONTEXT_LOST_ERROR("Couldn't load glGetString");
+            return DAWN_DEVICE_LOST_ERROR("Couldn't load glGetString");
         }
 
         std::string version = reinterpret_cast<const char*>(getString(GL_VERSION));

src/dawn_native/vulkan/BackendVk.cpp

@@ -61,7 +61,7 @@ namespace dawn_native { namespace vulkan {
 
     MaybeError Backend::Initialize() {
         if (!mVulkanLib.Open(kVulkanLibName)) {
-            return DAWN_CONTEXT_LOST_ERROR(std::string("Couldn't open ") + kVulkanLibName);
+            return DAWN_DEVICE_LOST_ERROR(std::string("Couldn't open ") + kVulkanLibName);
         }
 
         DAWN_TRY(mFunctions.LoadGlobalProcs(mVulkanLib));

src/dawn_native/vulkan/DeviceVk.cpp

@@ -397,7 +397,7 @@ namespace dawn_native { namespace vulkan {
             }
 
             if (universalQueueFamily == -1) {
-                return DAWN_CONTEXT_LOST_ERROR("No universal queue family");
+                return DAWN_DEVICE_LOST_ERROR("No universal queue family");
             }
             mQueueFamily = static_cast<uint32_t>(universalQueueFamily);
         }

src/dawn_native/vulkan/StagingBufferVk.cpp

@@ -36,24 +36,24 @@ namespace dawn_native { namespace vulkan {
 
         if (mDevice->fn.CreateBuffer(mDevice->GetVkDevice(), &createInfo, nullptr, &mBuffer) !=
             VK_SUCCESS) {
-            return DAWN_CONTEXT_LOST_ERROR("Unable to create staging buffer.");
+            return DAWN_DEVICE_LOST_ERROR("Unable to create staging buffer.");
         }
 
         VkMemoryRequirements requirements;
         mDevice->fn.GetBufferMemoryRequirements(mDevice->GetVkDevice(), mBuffer, &requirements);
 
         if (!mDevice->GetMemoryAllocator()->Allocate(requirements, true, &mAllocation)) {
-            return DAWN_CONTEXT_LOST_ERROR("Unable to allocate memory for staging buffer.");
+            return DAWN_DEVICE_LOST_ERROR("Unable to allocate memory for staging buffer.");
         }
 
         if (mDevice->fn.BindBufferMemory(mDevice->GetVkDevice(), mBuffer, mAllocation.GetMemory(),
                                          mAllocation.GetMemoryOffset()) != VK_SUCCESS) {
-            return DAWN_CONTEXT_LOST_ERROR("Unable to attach memory to the staging buffer.");
+            return DAWN_DEVICE_LOST_ERROR("Unable to attach memory to the staging buffer.");
         }
 
         mMappedPointer = mAllocation.GetMappedPointer();
         if (mMappedPointer == nullptr) {
-            return DAWN_CONTEXT_LOST_ERROR("Unable to map staging buffer.");
+            return DAWN_DEVICE_LOST_ERROR("Unable to map staging buffer.");
         }
 
         return {};

src/dawn_native/vulkan/VulkanError.cpp

@@ -67,7 +67,7 @@ namespace dawn_native { namespace vulkan {
         }
 
         std::string message = std::string(context) + " failed with " + VkResultAsString(result);
-        return DAWN_CONTEXT_LOST_ERROR(message);
+        return DAWN_DEVICE_LOST_ERROR(message);
     }
 
 }}  // namespace dawn_native::vulkan

src/dawn_native/vulkan/VulkanFunctions.cpp

@@ -22,12 +22,12 @@ namespace dawn_native { namespace vulkan {
 #define GET_GLOBAL_PROC(name)                                                          \
     name = reinterpret_cast<decltype(name)>(GetInstanceProcAddr(nullptr, "vk" #name)); \
     if (name == nullptr) {                                                             \
-        return DAWN_CONTEXT_LOST_ERROR(std::string("Couldn't get proc vk") + #name);   \
+        return DAWN_DEVICE_LOST_ERROR(std::string("Couldn't get proc vk") + #name);    \
     }
 
     MaybeError VulkanFunctions::LoadGlobalProcs(const DynamicLib& vulkanLib) {
         if (!vulkanLib.GetProc(&GetInstanceProcAddr, "vkGetInstanceProcAddr")) {
-            return DAWN_CONTEXT_LOST_ERROR("Couldn't get vkGetInstanceProcAddr");
+            return DAWN_DEVICE_LOST_ERROR("Couldn't get vkGetInstanceProcAddr");
         }
 
         GET_GLOBAL_PROC(CreateInstance);
@@ -44,7 +44,7 @@ namespace dawn_native { namespace vulkan {
 #define GET_INSTANCE_PROC(name)                                                         \
     name = reinterpret_cast<decltype(name)>(GetInstanceProcAddr(instance, "vk" #name)); \
     if (name == nullptr) {                                                              \
-        return DAWN_CONTEXT_LOST_ERROR(std::string("Couldn't get proc vk") + #name);    \
+        return DAWN_DEVICE_LOST_ERROR(std::string("Couldn't get proc vk") + #name);     \
     }
 
     MaybeError VulkanFunctions::LoadInstanceProcs(VkInstance instance,
@@ -109,7 +109,7 @@ namespace dawn_native { namespace vulkan {
 #define GET_DEVICE_PROC(name)                                                       \
     name = reinterpret_cast<decltype(name)>(GetDeviceProcAddr(device, "vk" #name)); \
     if (name == nullptr) {                                                          \
-        return DAWN_CONTEXT_LOST_ERROR(std::string("Couldn't get proc vk") + #name); \
+        return DAWN_DEVICE_LOST_ERROR(std::string("Couldn't get proc vk") + #name); \
     }
 
     MaybeError VulkanFunctions::LoadDeviceProcs(VkDevice device,

src/dawn_native/vulkan/VulkanInfo.cpp

@@ -67,13 +67,13 @@ namespace dawn_native { namespace vulkan {
             // incomplete otherwise. This means that both values represent a success.
             // This is the same for all Enumarte functions
             if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateInstanceLayerProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateInstanceLayerProperties");
             }
 
             info.layers.resize(count);
             result = vkFunctions.EnumerateInstanceLayerProperties(&count, info.layers.data());
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateInstanceLayerProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateInstanceLayerProperties");
             }
 
             for (const auto& layer : info.layers) {
@@ -95,14 +95,14 @@ namespace dawn_native { namespace vulkan {
             VkResult result =
                 vkFunctions.EnumerateInstanceExtensionProperties(nullptr, &count, nullptr);
             if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateInstanceExtensionProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateInstanceExtensionProperties");
             }
 
             info.extensions.resize(count);
             result = vkFunctions.EnumerateInstanceExtensionProperties(nullptr, &count,
                                                                       info.extensions.data());
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateInstanceExtensionProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateInstanceExtensionProperties");
             }
 
             for (const auto& extension : info.extensions) {
@@ -164,13 +164,13 @@ namespace dawn_native { namespace vulkan {
         uint32_t count = 0;
         VkResult result = vkFunctions.EnumeratePhysicalDevices(instance, &count, nullptr);
         if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-            return DAWN_CONTEXT_LOST_ERROR("vkEnumeratePhysicalDevices");
+            return DAWN_DEVICE_LOST_ERROR("vkEnumeratePhysicalDevices");
         }
 
         std::vector<VkPhysicalDevice> physicalDevices(count);
         result = vkFunctions.EnumeratePhysicalDevices(instance, &count, physicalDevices.data());
         if (result != VK_SUCCESS) {
-            return DAWN_CONTEXT_LOST_ERROR("vkEnumeratePhysicalDevices");
+            return DAWN_DEVICE_LOST_ERROR("vkEnumeratePhysicalDevices");
         }
 
         return physicalDevices;
@@ -212,14 +212,14 @@ namespace dawn_native { namespace vulkan {
             VkResult result =
                 vkFunctions.EnumerateDeviceLayerProperties(physicalDevice, &count, nullptr);
             if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateDeviceLayerProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateDeviceLayerProperties");
             }
 
             info.layers.resize(count);
             result = vkFunctions.EnumerateDeviceLayerProperties(physicalDevice, &count,
                                                                 info.layers.data());
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateDeviceLayerProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateDeviceLayerProperties");
             }
         }
 
@@ -229,14 +229,14 @@ namespace dawn_native { namespace vulkan {
             VkResult result = vkFunctions.EnumerateDeviceExtensionProperties(
                 physicalDevice, nullptr, &count, nullptr);
             if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateDeviceExtensionProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateDeviceExtensionProperties");
             }
 
             info.extensions.resize(count);
             result = vkFunctions.EnumerateDeviceExtensionProperties(physicalDevice, nullptr, &count,
                                                                     info.extensions.data());
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkEnumerateDeviceExtensionProperties");
+                return DAWN_DEVICE_LOST_ERROR("vkEnumerateDeviceExtensionProperties");
             }
 
             for (const auto& extension : info.extensions) {
@@ -277,7 +277,7 @@ namespace dawn_native { namespace vulkan {
             VkResult result = vkFunctions.GetPhysicalDeviceSurfaceCapabilitiesKHR(
                 physicalDevice, surface, &info->capabilities);
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkGetPhysicalDeviceSurfaceCapabilitiesKHR");
+                return DAWN_DEVICE_LOST_ERROR("vkGetPhysicalDeviceSurfaceCapabilitiesKHR");
             }
         }
 
@@ -292,7 +292,7 @@ namespace dawn_native { namespace vulkan {
                     physicalDevice, i, surface, &supported);
 
                 if (result != VK_SUCCESS) {
-                    return DAWN_CONTEXT_LOST_ERROR("vkGetPhysicalDeviceSurfaceSupportKHR");
+                    return DAWN_DEVICE_LOST_ERROR("vkGetPhysicalDeviceSurfaceSupportKHR");
                 }
 
                 info->supportedQueueFamilies[i] = (supported == VK_TRUE);
@@ -305,14 +305,14 @@ namespace dawn_native { namespace vulkan {
             VkResult result = vkFunctions.GetPhysicalDeviceSurfaceFormatsKHR(
                 physicalDevice, surface, &count, nullptr);
             if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-                return DAWN_CONTEXT_LOST_ERROR("vkGetPhysicalDeviceSurfaceFormatsKHR");
+                return DAWN_DEVICE_LOST_ERROR("vkGetPhysicalDeviceSurfaceFormatsKHR");
             }
 
             info->formats.resize(count);
             result = vkFunctions.GetPhysicalDeviceSurfaceFormatsKHR(physicalDevice, surface, &count,
                                                                     info->formats.data());
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkGetPhysicalDeviceSurfaceFormatsKHR");
+                return DAWN_DEVICE_LOST_ERROR("vkGetPhysicalDeviceSurfaceFormatsKHR");
             }
         }
 
@@ -322,14 +322,14 @@ namespace dawn_native { namespace vulkan {
             VkResult result = vkFunctions.GetPhysicalDeviceSurfacePresentModesKHR(
                 physicalDevice, surface, &count, nullptr);
             if (result != VK_SUCCESS && result != VK_INCOMPLETE) {
-                return DAWN_CONTEXT_LOST_ERROR("vkGetPhysicalDeviceSurfacePresentModesKHR");
+                return DAWN_DEVICE_LOST_ERROR("vkGetPhysicalDeviceSurfacePresentModesKHR");
             }
 
             info->presentModes.resize(count);
             result = vkFunctions.GetPhysicalDeviceSurfacePresentModesKHR(
                 physicalDevice, surface, &count, info->presentModes.data());
             if (result != VK_SUCCESS) {
-                return DAWN_CONTEXT_LOST_ERROR("vkGetPhysicalDeviceSurfacePresentModesKHR");
+                return DAWN_DEVICE_LOST_ERROR("vkGetPhysicalDeviceSurfacePresentModesKHR");
             }
         }
 

src/dawn_wire/client/ApiProcs.cpp

@@ -59,7 +59,7 @@ namespace dawn_wire { namespace client {
         MemoryTransferService::ReadHandle* readHandle =
             buffer->device->GetClient()->GetMemoryTransferService()->CreateReadHandle(buffer->size);
         if (readHandle == nullptr) {
-            callback(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0, userdata);
+            callback(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0, userdata);
             return;
         }
 
@@ -90,7 +90,7 @@ namespace dawn_wire { namespace client {
             buffer->device->GetClient()->GetMemoryTransferService()->CreateWriteHandle(
                 buffer->size);
         if (writeHandle == nullptr) {
-            callback(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0, userdata);
+            callback(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0, userdata);
             return;
         }
 
@@ -223,7 +223,7 @@ namespace dawn_wire { namespace client {
             result.buffer = reinterpret_cast<DawnBuffer>(buffer);
             result.data = nullptr;
             result.dataLength = 0;
-            callback(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, result, userdata);
+            callback(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, result, userdata);
             return;
         }
 

src/dawn_wire/client/ClientDoers.cpp

@@ -88,7 +88,7 @@ namespace dawn_wire { namespace client {
         if (!GetMappedData()) {
             // Dawn promises that all callbacks are called in finite time. Even if a fatal error
             // occurs, the callback is called.
-            request.readCallback(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0,
+            request.readCallback(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0,
                                  request.userdata);
             return false;
         } else {
@@ -152,7 +152,7 @@ namespace dawn_wire { namespace client {
         if (!GetMappedData()) {
             // Dawn promises that all callbacks are called in finite time. Even if a fatal error
             // occurs, the callback is called.
-            request.writeCallback(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0,
+            request.writeCallback(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0,
                                   request.userdata);
             return false;
         } else {

src/tests/unittests/wire/WireMemoryTransferServiceTests.cpp

@@ -513,9 +513,9 @@ TEST_F(WireMemoryTransferServiceTests, BufferMapReadHandleCreationFailure) {
     MockReadHandleCreationFailure();
 
     // Failed creation of a ReadHandle is a fatal failure and the client synchronously receives a
-    // CONTEXT_LOST callback.
+    // DEVICE_LOST callback.
     EXPECT_CALL(*mockBufferMapReadCallback,
-                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0, _))
+                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0, _))
         .Times(1);
 
     dawnBufferMapReadAsync(buffer, ToMockBufferMapReadCallback, nullptr);
@@ -580,9 +580,9 @@ TEST_F(WireMemoryTransferServiceTests, BufferMapReadDeserializeInitialDataFailur
     MockClientReadHandleDeserializeInitializeFailure(clientHandle);
 
     // Failed deserialization is a fatal failure and the client synchronously receives a
-    // CONTEXT_LOST callback.
+    // DEVICE_LOST callback.
     EXPECT_CALL(*mockBufferMapReadCallback,
-                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0, _))
+                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0, _))
         .Times(1);
 
     // The handle will be destroyed since deserializing failed.
@@ -702,9 +702,9 @@ TEST_F(WireMemoryTransferServiceTests, BufferMapWriteHandleCreationFailure) {
     MockWriteHandleCreationFailure();
 
     // Failed creation of a WriteHandle is a fatal failure and the client synchronously receives a
-    // CONTEXT_LOST callback.
+    // DEVICE_LOST callback.
     EXPECT_CALL(*mockBufferMapWriteCallback,
-                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0, _))
+                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0, _))
         .Times(1);
 
     dawnBufferMapWriteAsync(buffer, ToMockBufferMapWriteCallback, nullptr);
@@ -765,9 +765,9 @@ TEST_F(WireMemoryTransferServiceTests, BufferMapWriteHandleOpenFailure) {
     // Mock a failure.
     MockClientWriteHandleOpenFailure(clientHandle);
 
-    // Failing to open a handle is a fatal failure and the client receives a CONTEXT_LOST callback.
+    // Failing to open a handle is a fatal failure and the client receives a DEVICE_LOST callback.
     EXPECT_CALL(*mockBufferMapWriteCallback,
-                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, nullptr, 0, _))
+                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, nullptr, 0, _))
         .Times(1);
 
     // Since opening the handle fails, it gets destroyed immediately.
@@ -885,9 +885,9 @@ TEST_F(WireMemoryTransferServiceTests, CreateBufferMappedAsyncWriteHandleCreatio
     descriptor.size = sizeof(mBufferContent);
 
     // Failed creation of a WriteHandle is a fatal failure. The client synchronously receives
-    // a CONTEXT_LOST callback.
+    // a DEVICE_LOST callback.
     EXPECT_CALL(*mockCreateBufferMappedCallback,
-                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, _, nullptr, 0, _))
+                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, _, nullptr, 0, _))
         .Times(1);
 
     dawnDeviceCreateBufferMappedAsync(device, &descriptor, ToMockCreateBufferMappedCallback, nullptr);
@@ -934,9 +934,9 @@ TEST_F(WireMemoryTransferServiceTests, CreateBufferMappedAsyncHandleOpenFailure)
     // Since the mapping succeeds, the client opens the WriteHandle.
     MockClientWriteHandleOpenFailure(clientHandle);
 
-    // Failing to open a handle is a fatal failure. The client receives a CONTEXT_LOST callback.
+    // Failing to open a handle is a fatal failure. The client receives a DEVICE_LOST callback.
     EXPECT_CALL(*mockCreateBufferMappedCallback,
-                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_CONTEXT_LOST, _, nullptr, 0, _))
+                Call(DAWN_BUFFER_MAP_ASYNC_STATUS_DEVICE_LOST, _, nullptr, 0, _))
         .Times(1);
 
     // Since opening the handle fails, it is destroyed immediately.