Windows (flutter#144)

Speculative fixes for Windows build

Author: dnfield

impeller/base/comparable.cc

@@ -4,6 +4,8 @@
 
 #include "impeller/base/comparable.h"
 
+#include <atomic>
+
 namespace impeller {
 
 static std::atomic_size_t sLastID;

impeller/base/thread.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <mutex>
 #include <thread>
 
 #include "flutter/fml/macros.h"

impeller/compiler/impellerc_main.cc

@@ -52,9 +52,9 @@ bool Main(const fml::CommandLine& command_line) {
   reflector_options.shader_name =
       InferShaderNameFromPath(switches.source_file_name);
   reflector_options.header_file_name =
-      std::filesystem::path{switches.reflection_header_name}
-          .filename()
-          .native();
+      ToUtf8(std::filesystem::path{switches.reflection_header_name}
+                 .filename()
+                 .native());
 
   Compiler compiler(*source_file_mapping, options, reflector_options);
   if (!compiler.IsValid()) {

impeller/compiler/switches.cc

@@ -62,10 +62,10 @@ static TargetPlatform TargetPlatformFromCommandLine(
 
 Switches::Switches(const fml::CommandLine& command_line)
     : target_platform(TargetPlatformFromCommandLine(command_line)),
-      working_directory(std::make_shared<fml::UniqueFD>(
-          fml::OpenDirectory(std::filesystem::current_path().native().c_str(),
-                             false,  // create if necessary,
-                             fml::FilePermission::kRead))),
+      working_directory(std::make_shared<fml::UniqueFD>(fml::OpenDirectory(
+          ToUtf8(std::filesystem::current_path().native()).c_str(),
+          false,  // create if necessary,
+          fml::FilePermission::kRead))),
       source_file_name(command_line.GetOptionValueWithDefault("input", "")),
       sl_file_name(command_line.GetOptionValueWithDefault("sl", "")),
       spirv_file_name(command_line.GetOptionValueWithDefault("spirv", "")),

impeller/compiler/switches.h

@@ -12,6 +12,7 @@
 #include "flutter/fml/unique_fd.h"
 #include "impeller/compiler/compiler.h"
 #include "impeller/compiler/include_dir.h"
+#include "impeller/compiler/types.h"
 
 namespace impeller {
 namespace compiler {

impeller/compiler/types.cc

@@ -60,7 +60,7 @@ static std::string UniqueEntryPointFunctionNameFromSourceName(
     SourceType type) {
   std::stringstream stream;
   std::filesystem::path file_path(file_name);
-  stream << file_path.stem().native() << "_";
+  stream << ToUtf8(file_path.stem().native()) << "_";
   switch (type) {
     case SourceType::kUnknown:
       stream << "unknown";
@@ -212,5 +212,14 @@ std::string TargetPlatformSLExtension(TargetPlatform platform) {
   FML_UNREACHABLE();
 }
 
+std::string ToUtf8(const std::wstring& wstring) {
+  std::wstring_convert<std::codecvt_utf8<wchar_t>> myconv;
+  return myconv.to_bytes(wstring);
+}
+
+std::string ToUtf8(const std::string& string) {
+  return string;
+}
+
 }  // namespace compiler
 }  // namespace impeller

impeller/compiler/types.h

@@ -4,6 +4,8 @@
 
 #pragma once
 
+#include <codecvt>
+#include <locale>
 #include <string>
 
 #include "flutter/fml/macros.h"
@@ -54,5 +56,9 @@ spv::ExecutionModel ToExecutionModel(SourceType type);
 spirv_cross::CompilerMSL::Options::Platform TargetPlatformToMSLPlatform(
     TargetPlatform platform);
 
+std::string ToUtf8(const std::wstring& wstring);
+
+std::string ToUtf8(const std::string& string);
+
 }  // namespace compiler
 }  // namespace impeller

impeller/compiler/utilities.cc

@@ -6,6 +6,7 @@
 
 #include <filesystem>
 #include <sstream>
+#include <string>
 
 namespace impeller {
 namespace compiler {

impeller/geometry/rect.h

@@ -147,7 +147,7 @@ struct TRect {
   constexpr std::array<TPoint<T>, 4> GetTransformedPoints(
       const Matrix& transform) const {
     auto points = GetPoints();
-    for (uint i = 0; i < points.size(); i++) {
+    for (int i = 0; i < points.size(); i++) {
       points[i] = transform * points[i];
     }
     return points;

impeller/geometry/size.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <algorithm>
 #include <cmath>
 #include <limits>
 #include <ostream>