Support a static build rule for swiftshader

Change-Id: Ia0c6a6475a96df99e4cfe4665c4290ec99214c5d
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/72768
Reviewed-by: Shahbaz Youssefi <syoussefi@google.com>
Tested-by: Shahbaz Youssefi <syoussefi@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Commit-Queue: Shahbaz Youssefi <syoussefi@google.com>

1 files changed, 37 insertions, 28 deletions

diff --git a/src/Vulkan/BUILD.gn b/src/Vulkan/BUILD.gn
index 81ba736e8..852068cad 100644
--- a/src/Vulkan/BUILD.gn
+++ b/src/Vulkan/BUILD.gn
@@ -126,7 +126,7 @@ swiftshader_source_set("swiftshader_libvulkan_headers") {
   }
 }
 
-swiftshader_shared_library("swiftshader_libvulkan") {
+swiftshader_source_set("_swiftshader_libvulkan") {
   sources = [
     "VkBuffer.cpp",
     "VkBufferView.cpp",
@@ -170,6 +170,35 @@ swiftshader_shared_library("swiftshader_libvulkan") {
 
   libs = []
 
+  if (is_win) {
+    libs += [
+      "gdi32.lib",
+      "user32.lib",
+    ]
+  }
+
+  public_deps = [
+    ":swiftshader_libvulkan_headers",
+    "../../third_party/SPIRV-Tools:spvtools_headers",
+    "../../third_party/SPIRV-Tools:spvtools_opt",
+    "../../third_party/SPIRV-Tools:spvtools_val",
+    "../../third_party/marl:Marl",
+    "../Device",
+    "../Pipeline",
+    "../Reactor:swiftshader_reactor",
+    "../System",
+    "../WSI",
+  ]
+
+  include_dirs = [
+    "..",
+    "../../include",
+    "../../third_party/SPIRV-Tools/include",
+    "../../third_party/SPIRV-Headers/include",
+  ]
+}
+
+swiftshader_shared_library("swiftshader_libvulkan") {
   # TODO(capn): Use the same ICD name on both Windows and non-Windows.
   if (is_win) {
     output_name = "vk_swiftshader"
@@ -178,17 +207,11 @@ swiftshader_shared_library("swiftshader_libvulkan") {
   }
 
   if (is_win) {
-    sources += [
+    sources = [
       "Vulkan.rc",
       "vk_swiftshader.def",
     ]
-    libs += [
-      "gdi32.lib",
-      "user32.lib",
-    ]
-  }
-
-  if (is_mac) {
+  } else if (is_mac) {
     ldflags = [
       "-Wl,-install_name,@rpath/libvk_swiftshader.dylib",
       "-Wl,-exported_symbols_list," +
@@ -205,26 +228,12 @@ swiftshader_shared_library("swiftshader_libvulkan") {
     ]
   }
 
-  deps = [
-    "../../third_party/SPIRV-Tools:spvtools_headers",
-    "../../third_party/SPIRV-Tools:spvtools_opt",
-    "../../third_party/SPIRV-Tools:spvtools_val",
-    "../../third_party/marl:Marl",
-    "../Device",
-    "../Pipeline",
-    "../Reactor:swiftshader_reactor",
-    "../System",
-    "../WSI",
-  ]
-
-  include_dirs = [
-    "..",
-    "../../include",
-    "../../third_party/SPIRV-Tools/include",
-    "../../third_party/SPIRV-Headers/include",
-  ]
+  deps = [ ":_swiftshader_libvulkan" ]
+}
 
-  public_deps = [ ":swiftshader_libvulkan_headers" ]
+swiftshader_static_library("swiftshader_libvulkan_static") {
+  complete_static_lib = true
+  deps = [ ":_swiftshader_libvulkan" ]
 }
 
 # Generates an ICD JSON file that can be used by all targets in this GN build