Fix GN/Chromium build.

BUILD.gn

@@ -51,6 +51,13 @@ config("swiftshader_config") {
     if (!is_debug) {
       defines += [ "ANGLE_DISABLE_TRACE" ]
     }
+
+    # Diable some MSVC warnings.
+    if (!is_clang) {
+      cflags += [
+        "/wd4309", # Truncation of constant value. See PixelRoutine.cpp casts of signed shorts.
+      ]
+    }
   } else {
     cflags = [
       "-std=c++11",

src/Reactor/BUILD.gn

@@ -25,8 +25,11 @@ declare_args() {
 config("swiftshader_reactor_private_config") {
   if (is_win) {
     cflags = [
+      "/wd4141",  # 'inline' used more than once. (LLVM 7.0)
+      "/wd4146",  # unary minus operator applied to unsigned type. (LLVM 7.0)
       "/wd4201",  # nameless struct/union
       "/wd4245",  # conversion from int to unsigned int (llvm)
+      "/wd4624",  # destructor was implicitly defined as deleted (LLVM 7.0)
     ]
   } else {
     cflags = [ "-Wno-unused-local-typedef" ]

src/Vulkan/BUILD.gn

@@ -36,10 +36,12 @@ config("swiftshader_libvulkan_private_config") {
     defines = [ "VK_EXPORT=" ]
   }
 
+  if (is_clang) {
     cflags = [
       "-Wno-unused-private-field",
       "-Wno-switch",
     ]
+  }
 }
 
 swiftshader_source_set("swiftshader_libvulkan_headers") {
@@ -120,7 +122,12 @@ swiftshader_shared_library("swiftshader_libvulkan") {
 
   configs = [ ":swiftshader_libvulkan_private_config" ]
 
+  # TODO(capn): Use the same ICD name on both Windows and non-Windows.
+  if (is_win) {
+    output_name = "vk_swiftshader"
+  } else {
     output_name = "libvk_swiftshader"
+  }
   if (!is_fuchsia) {
     # NOTE: Work-around for http://crbug.com/1000668
     output_dir = "$root_out_dir/swiftshader"

src/Yarn/BUILD.gn

@@ -42,6 +42,14 @@ swiftshader_source_set("Yarn_headers") {
 
   if (is_win) {
     sources += [ "OSFiber_windows.hpp" ]
+  } else {
+    sources += [
+      "OSFiber_asm.hpp",
+      "OSFiber_asm_aarch64.h",
+      "OSFiber_asm_arm.h",
+      "OSFiber_asm_x64.h",
+      "OSFiber_asm_x86.h",
+    ]
   }
 
   public_configs = [
@@ -61,15 +69,10 @@ swiftshader_source_set("Yarn") {
     sources += [
       "OSFiber_aarch64.c",
       "OSFiber_arm.c",
-      "OSFiber_asm.hpp",
       "OSFiber_asm_aarch64.S",
-      "OSFiber_asm_aarch64.h",
       "OSFiber_asm_arm.S",
-      "OSFiber_asm_arm.h",
       "OSFiber_asm_x64.S",
-      "OSFiber_asm_x64.h",
       "OSFiber_asm_x86.S",
-      "OSFiber_asm_x86.h",
       "OSFiber_x64.c",
       "OSFiber_x86.c",
     ]
@@ -97,4 +100,11 @@ test("yarn_unittests") {
     "//testing/gtest",
     "//testing/gmock",
   ]
+
+  if (!swiftshader_standalone) {
+    deps += [
+      "//third_party/googletest:gmock",
+      "//third_party/googletest:gtest",
+    ]
+  }
 }

third_party/llvm-7.0/BUILD.gn

@@ -22,6 +22,7 @@ config("swiftshader_llvm_private_config") {
     cflags += [
       "/wd4005",
       "/wd4065",
+      "/wd4141",
       "/wd4146",
       "/wd4245",
       "/wd4267",
@@ -35,6 +36,8 @@ config("swiftshader_llvm_private_config") {
       "/wd4703",
       "/wd4706",
       "/wd4800",
+      "/wd4805",
+      "/wd4828",
     ]
 
     if (!is_debug) {
@@ -55,22 +58,21 @@ config("swiftshader_llvm_private_config") {
   }
 
   if (is_clang) {
-    cflags += [ "-Wno-header-hygiene" ]
-    if (target_cpu == "x86" || target_cpu == "x64") {
-      cflags += [ "-msse2" ]
-    }
-  }
-
     cflags += [
       "-Wno-attributes",
       "-Wno-deprecated-declarations",
       "-Wno-enum-compare",
+      "-Wno-header-hygiene",
       "-Wno-unused-function",
       "-Wno-unused-local-typedef",
       "-Wno-unused-private-field",
       "-Wno-unused-result",
       "-Wno-unused-variable",
     ]
+    if (target_cpu == "x86" || target_cpu == "x64") {
+      cflags += [ "-msse2" ]
+    }
+  }
 
   defines = [
     "__STDC_CONSTANT_MACROS",