Namespace Log.h/cpp in dawn::

The LogMessage::LogMessage constructor was redefining a symbol that
exists in re2 inside of Chromium. So we namespace Log inside dawn:: to
avoid the conflict.

BUG=dawn:302

Change-Id: Ida349208e2c6fe9ac032e1bd8cd442dff0b3f6bc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14320
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>

examples/SampleUtils.cpp

@@ -49,11 +49,11 @@ void PrintDeviceError(WGPUErrorType errorType, const char* message, void*) {
             UNREACHABLE();
             return;
     }
-    ErrorLog() << errorTypeName << " error: " << message;
+    dawn::ErrorLog() << errorTypeName << " error: " << message;
 }
 
 void PrintGLFWError(int code, const char* message) {
-    ErrorLog() << "GLFW error: " << code << " - " << message;
+    dawn::ErrorLog() << "GLFW error: " << code << " - " << message;
 }
 
 enum class CmdBufType {

src/common/Assert.cpp

@@ -19,7 +19,7 @@ void HandleAssertionFailure(const char* file,
                             const char* function,
                             int line,
                             const char* condition) {
-    ErrorLog() << "Assertion failure at " << file << ":" << line << " (" << function
+    dawn::ErrorLog() << "Assertion failure at " << file << ":" << line << " (" << function
                      << "): " << condition;
     DAWN_BREAKPOINT();
 }

src/common/Log.cpp

@@ -23,7 +23,9 @@
 #    include <android/log.h>
 #endif
 
-namespace {
+namespace dawn {
+
+    namespace {
 
         const char* SeverityName(LogSeverity severity) {
             switch (severity) {
@@ -59,12 +61,12 @@ namespace {
         }
 #endif  // defined(DAWN_PLATFORM_ANDROID)
 
-}  // anonymous namespace
+    }  // anonymous namespace
 
-LogMessage::LogMessage(LogSeverity severity) : mSeverity(severity) {
-}
+    LogMessage::LogMessage(LogSeverity severity) : mSeverity(severity) {
+    }
 
-LogMessage::~LogMessage() {
+    LogMessage::~LogMessage() {
         std::string fullMessage = mStream.str();
 
         // If this message has been moved, its stream is empty.
@@ -87,26 +89,28 @@ LogMessage::~LogMessage() {
         fprintf(outputStream, "%s: %s\n", severityName, fullMessage.c_str());
         fflush(outputStream);
 #endif  // defined(DAWN_PLATFORM_ANDROID)
-}
+    }
 
-LogMessage DebugLog() {
+    LogMessage DebugLog() {
         return {LogSeverity::Debug};
-}
+    }
 
-LogMessage InfoLog() {
+    LogMessage InfoLog() {
         return {LogSeverity::Info};
-}
+    }
 
-LogMessage WarningLog() {
+    LogMessage WarningLog() {
         return {LogSeverity::Warning};
-}
+    }
 
-LogMessage ErrorLog() {
+    LogMessage ErrorLog() {
         return {LogSeverity::Error};
-}
+    }
 
-LogMessage DebugLog(const char* file, const char* function, int line) {
+    LogMessage DebugLog(const char* file, const char* function, int line) {
         LogMessage message = DebugLog();
         message << file << ":" << line << "(" << function << ")";
         return message;
-}
+    }
+
+}  // namespace dawn

src/common/Log.h

@@ -45,17 +45,19 @@
 
 #include <sstream>
 
-// Log levels mostly used to signal intent where the log message is produced and used to route the
-// message to the correct output.
-enum class LogSeverity {
+namespace dawn {
+
+    // Log levels mostly used to signal intent where the log message is produced and used to route
+    // the message to the correct output.
+    enum class LogSeverity {
         Debug,
         Info,
         Warning,
         Error,
-};
+    };
 
-// Essentially an ostringstream that will print itself in its destructor.
-class LogMessage {
+    // Essentially an ostringstream that will print itself in its destructor.
+    class LogMessage {
       public:
         LogMessage(LogSeverity severity);
         ~LogMessage();
@@ -75,16 +77,19 @@ class LogMessage {
 
         LogSeverity mSeverity;
         std::ostringstream mStream;
-};
+    };
 
-// Short-hands to create a LogMessage with the respective severity.
-LogMessage DebugLog();
-LogMessage InfoLog();
-LogMessage WarningLog();
-LogMessage ErrorLog();
+    // Short-hands to create a LogMessage with the respective severity.
+    LogMessage DebugLog();
+    LogMessage InfoLog();
+    LogMessage WarningLog();
+    LogMessage ErrorLog();
 
-// DAWN_DEBUG is a helper macro that creates a DebugLog and outputs file/line/function information
-LogMessage DebugLog(const char* file, const char* function, int line);
-#define DAWN_DEBUG() DebugLog(__FILE__, __func__, __LINE__)
+    // DAWN_DEBUG is a helper macro that creates a DebugLog and outputs file/line/function
+    // information
+    LogMessage DebugLog(const char* file, const char* function, int line);
+#define DAWN_DEBUG() ::dawn::DebugLog(__FILE__, __func__, __LINE__)
+
+}  // namespace dawn
 
 #endif  // COMMON_LOG_H_

src/dawn_native/Instance.cpp

@@ -167,7 +167,7 @@ namespace dawn_native {
             ErrorData* error = maybeError.AcquireError();
 
             ASSERT(error != nullptr);
-            InfoLog() << error->GetMessage();
+            dawn::InfoLog() << error->GetMessage();
             delete error;
 
             return true;

src/dawn_native/opengl/BackendGL.cpp

@@ -102,7 +102,7 @@ namespace dawn_native { namespace opengl {
             }
 
             if (type == GL_DEBUG_TYPE_ERROR) {
-                WarningLog() << "OpenGL error:"
+                dawn::WarningLog() << "OpenGL error:"
                                    << "\n    Source: " << sourceText      //
                                    << "\n    ID: " << id                  //
                                    << "\n    Severity: " << severityText  //

src/dawn_native/opengl/PipelineGL.cpp

@@ -64,7 +64,8 @@ namespace dawn_native { namespace opengl {
                 if (infoLogLength > 1) {
                     std::vector<char> buffer(infoLogLength);
                     gl.GetShaderInfoLog(shader, infoLogLength, nullptr, &buffer[0]);
-                    ErrorLog() << source << "\nProgram compilation failed:\n" << buffer.data();
+                    dawn::ErrorLog() << source << "\nProgram compilation failed:\n"
+                                     << buffer.data();
                 }
             }
             return shader;
@@ -95,7 +96,7 @@ namespace dawn_native { namespace opengl {
             if (infoLogLength > 1) {
                 std::vector<char> buffer(infoLogLength);
                 gl.GetProgramInfoLog(mProgram, infoLogLength, nullptr, &buffer[0]);
-                ErrorLog() << "Program link failed:\n" << buffer.data();
+                dawn::ErrorLog() << "Program link failed:\n" << buffer.data();
             }
         }
 

src/dawn_native/vulkan/BackendVk.cpp

@@ -253,7 +253,7 @@ namespace dawn_native { namespace vulkan {
                                    const char* /*pLayerPrefix*/,
                                    const char* pMessage,
                                    void* /*pUserdata*/) {
-        WarningLog() << pMessage;
+        dawn::WarningLog() << pMessage;
         ASSERT((flags & VK_DEBUG_REPORT_ERROR_BIT_EXT) == 0);
 
         return VK_FALSE;

src/tests/DawnTest.cpp

@@ -159,7 +159,8 @@ DawnTestEnvironment::DawnTestEnvironment(int argc, char** argv) {
         }
 
         if (strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
-            InfoLog() << "\n\nUsage: " << argv[0]
+            dawn::InfoLog()
+                << "\n\nUsage: " << argv[0]
                 << " [GTEST_FLAGS...] [-w] [-d] [-c] [--adapter-vendor-id=x]\n"
                    "  -w, --use-wire: Run the tests through the wire (defaults to no wire)\n"
                    "  -d, --enable-backend-validation: Enable backend validation (defaults"
@@ -187,7 +188,7 @@ void DawnTestEnvironment::SetUp() {
     mInstance.get()->DiscoverDefaultAdapters();
     DiscoverOpenGLAdapter();
 
-    InfoLog() << "Testing configuration\n"
+    dawn::InfoLog() << "Testing configuration\n"
                        "---------------------\n"
                        "UseWire: "
                     << (mUseWire ? "true" : "false")
@@ -217,13 +218,14 @@ void DawnTestEnvironment::SetUp() {
                  << pci.deviceId;
 
         // Preparing for outputting hex numbers
-        InfoLog() << std::showbase << std::hex << std::setfill('0') << std::setw(4)
+        dawn::InfoLog() << std::showbase << std::hex << std::setfill('0') << std::setw(4)
 
                         << " - \"" << pci.name << "\"\n"
                         << "   type: " << DeviceTypeName(adapter.GetDeviceType())
                         << ", backend: " << ParamName(adapter.GetBackendType()) << "\n"
                         << "   vendorId: 0x" << vendorId.str() << ", deviceId: 0x" << deviceId.str()
-                  << (mHasVendorIdFilter && mVendorIdFilter == pci.vendorId ? " [Selected]" : "")
+                        << (mHasVendorIdFilter && mVendorIdFilter == pci.vendorId ? " [Selected]"
+                                                                                  : "")
                         << "\n";
     }
 }

src/tests/DawnTest.h

@@ -297,7 +297,7 @@ class DawnTestBase {
 // Skip a test when the given condition is satisfied.
 #define DAWN_SKIP_TEST_IF(condition)                        \
     if (condition) {                                        \
-        InfoLog() << "Test skipped: " #condition "."; \
+        dawn::InfoLog() << "Test skipped: " #condition "."; \
         GTEST_SKIP();                                       \
         return;                                             \
     }

src/tests/perf_tests/DawnPerfTest.cpp

@@ -113,7 +113,7 @@ DawnPerfTestEnvironment::DawnPerfTestEnvironment(int argc, char** argv)
         }
 
         if (strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
-            InfoLog()
+            dawn::InfoLog()
                 << "Additional flags:"
                 << " [--calibration] [--override-steps=x] [--enable-tracing] [--trace-file=file]\n"
                 << "  --calibration: Only run calibration. Calibration allows the perf test"

src/utils/WGPUHelpers.cpp

@@ -67,7 +67,7 @@ namespace utils {
         shaderc::Compiler compiler;
         auto result = compiler.CompileGlslToSpv(source, strlen(source), kind, "myshader?");
         if (result.GetCompilationStatus() != shaderc_compilation_status_success) {
-            ErrorLog() << result.GetErrorMessage();
+            dawn::ErrorLog() << result.GetErrorMessage();
             return {};
         }
 #ifdef DUMP_SPIRV_ASSEMBLY
@@ -106,7 +106,7 @@ namespace utils {
         shaderc::Compiler compiler;
         shaderc::SpvCompilationResult result = compiler.AssembleToSpv(source, strlen(source));
         if (result.GetCompilationStatus() != shaderc_compilation_status_success) {
-            ErrorLog() << result.GetErrorMessage();
+            dawn::ErrorLog() << result.GetErrorMessage();
             return {};
         }