1 files changed, 564 insertions, 0 deletions
diff --git a/gfx/angle/BUILD.gn b/gfx/angle/BUILD.gn
new file mode 100755
index 000000000..4232008bc
--- /dev/null
+++ b/gfx/angle/BUILD.gn
@@ -0,0 +1,564 @@
+# Copyright 2014-2015 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# import the use_x11 variable
+import("//build/config/dcheck_always_on.gni")
+import("//build/config/linux/pkg_config.gni")
+import("//build/config/ui.gni")
+import("//testing/libfuzzer/fuzzer_test.gni")
+import("//third_party/angle/gni/angle.gni")
+import("//ui/ozone/ozone.gni")
+
+if (ozone_platform_gbm) {
+  pkg_config("libdrm") {
+    packages = [ "libdrm" ]
+  }
+}
+
+angle_git_is_present = exec_script("src/commit_id.py",
+                                   [
+                                     "check",
+                                     rebase_path(".", root_build_dir),
+                                   ],
+                                   "value")
+
+angle_use_commit_id = angle_git_is_present == 1
+
+gles_gypi = exec_script("//build/gypi_to_gn.py",
+                        [ rebase_path("src/libGLESv2.gypi") ],
+                        "scope",
+                        [ "src/libGLESv2.gypi" ])
+
+compiler_gypi = exec_script("//build/gypi_to_gn.py",
+                            [ rebase_path("src/compiler.gypi") ],
+                            "scope",
+                            [ "src/compiler.gypi" ])
+
+# This config is exported to dependent targets (and also applied to internal
+# ones).
+config("external_config") {
+  include_dirs = [ "include" ]
+}
+
+# This config is applied to internal Angle targets (not pushed to dependents).
+config("internal_config") {
+  include_dirs = [
+    "include",
+    "src",
+  ]
+}
+
+config("extra_warnings") {
+  # Enable more default warnings on Windows.
+  if (is_win) {
+    cflags = [
+      "/we4244",  # Conversion: possible loss of data.
+      "/we4456",  # Variable shadowing.
+      "/we4458",  # declaration hides class member.
+    ]
+  }
+}
+
+if (is_win) {
+  copy("copy_compiler_dll") {
+    sources = [
+      "$windows_sdk_path/Redist/D3D/$target_cpu/d3dcompiler_47.dll",
+    ]
+    outputs = [
+      "$root_out_dir/d3dcompiler_47.dll",
+    ]
+  }
+}
+
+angle_undefine_configs = [ "//build/config/compiler:default_include_dirs" ]
+
+# Holds the shared includes so we only need to list them once.
+source_set("includes") {
+  sources = [
+    "include/EGL/egl.h",
+    "include/EGL/eglext.h",
+    "include/EGL/eglplatform.h",
+    "include/GLES2/gl2.h",
+    "include/GLES2/gl2ext.h",
+    "include/GLES2/gl2platform.h",
+    "include/GLES3/gl3.h",
+    "include/GLES3/gl31.h",
+    "include/GLES3/gl32.h",
+    "include/GLES3/gl3platform.h",
+    "include/GLSLANG/ShaderLang.h",
+    "include/KHR/khrplatform.h",
+  ]
+}
+
+static_library("preprocessor") {
+  sources = rebase_path(compiler_gypi.angle_preprocessor_sources, ".", "src")
+
+  configs -= angle_undefine_configs
+  configs += [ ":internal_config" ]
+
+  public_deps = [
+    ":angle_common",
+  ]
+}
+
+config("translator_disable_pool_alloc") {
+  defines = [ "ANGLE_TRANSLATOR_DISABLE_POOL_ALLOC" ]
+}
+
+config("debug_annotations_config") {
+  if (is_debug) {
+    defines = [ "ANGLE_ENABLE_DEBUG_ANNOTATIONS" ]
+  }
+}
+
+config("angle_release_asserts_config") {
+  if (dcheck_always_on) {
+    defines = [ "ANGLE_ENABLE_RELEASE_ASSERTS" ]
+  }
+}
+
+config("angle_common_config") {
+  include_dirs = [ "src/common/third_party/numerics" ]
+}
+
+static_library("angle_common") {
+  sources = rebase_path(gles_gypi.libangle_common_sources, ".", "src")
+
+  configs -= angle_undefine_configs
+  configs += [
+    ":angle_common_config",
+    ":debug_annotations_config",
+    ":extra_warnings",
+    ":internal_config",
+  ]
+
+  public_deps = [
+    ":commit_id",
+  ]
+  public_configs = [
+    ":angle_release_asserts_config",
+    ":angle_common_config",
+  ]
+}
+
+config("angle_image_util_config") {
+  include_dirs = [
+    "include",
+    "src",
+  ]
+}
+
+static_library("angle_image_util") {
+  sources = rebase_path(gles_gypi.libangle_image_util_sources, ".", "src")
+
+  configs -= angle_undefine_configs
+  configs += [ ":internal_config" ]
+
+  public_configs = [ ":angle_image_util_config" ]
+
+  public_deps = [
+    ":angle_common",
+  ]
+}
+
+static_library("translator") {
+  sources = rebase_path(compiler_gypi.angle_translator_sources, ".", "src")
+  defines = []
+
+  if (angle_enable_essl || use_libfuzzer) {
+    sources +=
+        rebase_path(compiler_gypi.angle_translator_essl_sources, ".", "src")
+    defines += [ "ANGLE_ENABLE_ESSL" ]
+  }
+
+  if (angle_enable_glsl || use_libfuzzer) {
+    sources +=
+        rebase_path(compiler_gypi.angle_translator_glsl_sources, ".", "src")
+    defines += [ "ANGLE_ENABLE_GLSL" ]
+  }
+
+  if (angle_enable_hlsl || use_libfuzzer) {
+    sources +=
+        rebase_path(compiler_gypi.angle_translator_hlsl_sources, ".", "src")
+    defines += [ "ANGLE_ENABLE_HLSL" ]
+  }
+  configs -= angle_undefine_configs
+  configs += [ ":internal_config" ]
+  public_configs = [ ":external_config" ]
+  if (use_libfuzzer) {
+    all_dependent_configs = [ ":translator_disable_pool_alloc" ]
+  }
+
+  deps = [
+    ":includes",
+    ":preprocessor",
+  ]
+
+  public_deps = [
+    ":angle_common",
+  ]
+
+  if (is_win) {
+    # Necessary to suppress some system header xtree warnigns in Release.
+    # For some reason this warning doesn't get triggered in Chromium
+    cflags = [ "/wd4718" ]
+  }
+}
+
+source_set("translator_fuzzer") {
+  sources = [
+    "src/compiler/fuzz/translator_fuzzer.cpp",
+  ]
+
+  include_dirs = [
+    "include",
+    "src",
+  ]
+
+  deps = [
+    ":translator",
+  ]
+}
+
+config("commit_id_config") {
+  include_dirs = [ "$root_gen_dir/angle" ]
+}
+
+commit_id_output_file = "$root_gen_dir/angle/id/commit.h"
+if (angle_use_commit_id) {
+  action("commit_id") {
+    script = "src/commit_id.py"
+    outputs = [
+      commit_id_output_file,
+    ]
+
+    args = [
+      "gen",
+      rebase_path(".", root_build_dir),
+      rebase_path(commit_id_output_file, root_build_dir),
+    ]
+
+    public_configs = [ ":commit_id_config" ]
+  }
+} else {
+  copy("commit_id") {
+    sources = [
+      "src/commit.h",
+    ]
+    outputs = [
+      commit_id_output_file,
+    ]
+    public_configs = [ ":commit_id_config" ]
+  }
+}
+
+config("libANGLE_config") {
+  cflags = []
+  defines = []
+  if (angle_enable_d3d9) {
+    defines += [ "ANGLE_ENABLE_D3D9" ]
+  }
+  if (angle_enable_d3d11) {
+    defines += [ "ANGLE_ENABLE_D3D11" ]
+  }
+  if (angle_enable_gl) {
+    defines += [ "ANGLE_ENABLE_OPENGL" ]
+    if (use_x11) {
+      defines += [ "ANGLE_USE_X11" ]
+    }
+  }
+  if (angle_enable_vulkan) {
+    defines += [ "ANGLE_ENABLE_VULKAN" ]
+  }
+  if (angle_enable_null) {
+    defines += [ "ANGLE_ENABLE_NULL" ]
+  }
+  defines += [
+    "GL_GLEXT_PROTOTYPES",
+    "EGL_EGLEXT_PROTOTYPES",
+    "LIBANGLE_IMPLEMENTATION",
+  ]
+
+  if (is_win) {
+    defines += [
+      "GL_APICALL=",
+      "EGLAPI=",
+    ]
+  } else {
+    defines += [
+      "GL_APICALL=__attribute__((visibility(\"default\")))",
+      "EGLAPI=__attribute__((visibility(\"default\")))",
+    ]
+  }
+  if (is_win) {
+    cflags += [ "/wd4530" ]  # C++ exception handler used, but unwind semantics are not enabled.
+  }
+}
+
+static_library("libANGLE") {
+  sources = rebase_path(gles_gypi.libangle_sources, ".", "src")
+
+  include_dirs = []
+  libs = []
+  defines = []
+  public_deps = [
+    ":angle_common",
+  ]
+  deps = [
+    ":angle_image_util",
+    ":commit_id",
+    ":includes",
+    ":translator",
+  ]
+
+  # Shared D3D sources.
+  if (angle_enable_d3d9 || angle_enable_d3d11) {
+    sources += rebase_path(gles_gypi.libangle_d3d_shared_sources, ".", "src")
+
+    defines += [ "ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES={ " + "\"d3dcompiler_47.dll\", \"d3dcompiler_46.dll\", \"d3dcompiler_43.dll\" }" ]
+  }
+
+  if (angle_enable_d3d9) {
+    sources += rebase_path(gles_gypi.libangle_d3d9_sources, ".", "src")
+    libs += [ "d3d9.lib" ]
+  }
+
+  if (angle_enable_d3d11) {
+    sources += rebase_path(gles_gypi.libangle_d3d11_sources, ".", "src")
+    sources += rebase_path(gles_gypi.libangle_d3d11_win32_sources, ".", "src")
+    libs += [ "dxguid.lib" ]
+  }
+
+  if (angle_enable_gl) {
+    sources += rebase_path(gles_gypi.libangle_gl_sources, ".", "src")
+    include_dirs += [ "src/third_party/khronos" ]
+
+    if (is_win) {
+      sources += rebase_path(gles_gypi.libangle_gl_wgl_sources, ".", "src")
+    }
+    if (use_x11) {
+      sources += rebase_path(gles_gypi.libangle_gl_glx_sources, ".", "src")
+      deps += [ "src/third_party/libXNVCtrl:libXNVCtrl" ]
+      libs += [
+        "X11",
+        "Xi",
+        "Xext",
+      ]
+    }
+    if (is_mac) {
+      sources += rebase_path(gles_gypi.libangle_gl_cgl_sources, ".", "src")
+      libs += [
+        "Cocoa.framework",
+        "IOSurface.framework",
+        "OpenGL.framework",
+        "QuartzCore.framework",
+      ]
+    }
+    if (is_android) {
+      sources += rebase_path(gles_gypi.libangle_gl_egl_sources, ".", "src")
+      sources += rebase_path(gles_gypi.libangle_gl_egl_dl_sources, ".", "src")
+      sources +=
+          rebase_path(gles_gypi.libangle_gl_egl_android_sources, ".", "src")
+      libs += [
+        "android",
+        "log",
+      ]
+    }
+    if (ozone_platform_gbm) {
+      configs += [ ":libdrm" ]
+      defines += [ "ANGLE_USE_OZONE" ]
+      deps += [ "//third_party/minigbm" ]
+      sources += rebase_path(gles_gypi.libangle_gl_egl_sources, ".", "src")
+      sources += rebase_path(gles_gypi.libangle_gl_egl_dl_sources, ".", "src")
+      sources += rebase_path(gles_gypi.libangle_gl_ozone_sources, ".", "src")
+    }
+  }
+
+  if (angle_enable_vulkan) {
+    sources += rebase_path(gles_gypi.libangle_vulkan_sources, ".", "src")
+  }
+
+  if (angle_enable_null) {
+    sources += rebase_path(gles_gypi.libangle_null_sources, ".", "src")
+  }
+
+  if (is_debug) {
+    defines += [ "ANGLE_GENERATE_SHADER_DEBUG_INFO" ]
+  }
+
+  configs -= angle_undefine_configs
+
+  configs += [
+    ":commit_id_config",
+    ":debug_annotations_config",
+    ":extra_warnings",
+    ":libANGLE_config",
+    ":internal_config",
+  ]
+
+  if (is_win) {
+    data_deps = [
+      ":copy_compiler_dll",
+    ]
+  }
+}
+
+config("shared_library_public_config") {
+  if (is_mac && !is_component_build) {
+    # Executable targets that depend on the shared libraries below need to have
+    # the rpath setup in non-component build configurations.
+    ldflags = [
+      "-rpath",
+      "@executable_path/",
+    ]
+  }
+}
+
+shared_library("libGLESv2") {
+  sources = rebase_path(gles_gypi.libglesv2_sources, ".", "src")
+
+  if (is_win) {
+    ldflags =
+        [ "/DEF:" + rebase_path("src/libGLESv2/libGLESv2.def", root_build_dir) ]
+  }
+
+  if (is_mac && !is_component_build) {
+    ldflags = [
+      "-install_name",
+      "@rpath/${target_name}.dylib",
+    ]
+    public_configs = [ ":shared_library_public_config" ]
+  }
+
+  configs -= angle_undefine_configs
+  configs += [
+    ":internal_config",
+    ":commit_id_config",
+    ":debug_annotations_config",
+    ":libANGLE_config",
+  ]
+
+  defines = [ "LIBGLESV2_IMPLEMENTATION" ]
+
+  deps = [
+    ":includes",
+    ":libANGLE",
+  ]
+}
+
+shared_library("libEGL") {
+  sources = rebase_path(gles_gypi.libegl_sources, ".", "src")
+
+  if (is_win) {
+    ldflags = [ "/DEF:" + rebase_path("src/libEGL/libEGL.def", root_build_dir) ]
+  }
+
+  if (is_mac && !is_component_build) {
+    ldflags = [
+      "-install_name",
+      "@rpath/${target_name}.dylib",
+    ]
+    public_configs = [ ":shared_library_public_config" ]
+  }
+
+  configs -= angle_undefine_configs
+  configs += [
+    ":commit_id_config",
+    ":debug_annotations_config",
+    ":extra_warnings",
+    ":internal_config",
+    ":libANGLE_config",
+  ]
+
+  defines = [ "LIBEGL_IMPLEMENTATION" ]
+
+  deps = [
+    ":includes",
+    ":libGLESv2",
+  ]
+}
+
+util_gypi = exec_script("//build/gypi_to_gn.py",
+                        [ rebase_path("util/util.gyp") ],
+                        "scope",
+                        [ "util/util.gyp" ])
+
+config("angle_util_config") {
+  include_dirs = [ "util" ]
+  if (is_linux && use_x11) {
+    libs = [ "X11" ]
+  }
+}
+
+shared_library("angle_util") {
+  sources = rebase_path(util_gypi.util_sources, ".", "util")
+
+  if (is_win) {
+    sources += rebase_path(util_gypi.util_win32_sources, ".", "util")
+  }
+
+  if (is_linux) {
+    sources += rebase_path(util_gypi.util_linux_sources, ".", "util")
+    libs = [
+      "rt",
+      "dl",
+    ]
+  }
+
+  if (is_mac) {
+    sources += rebase_path(util_gypi.util_osx_sources, ".", "util")
+    libs = [
+      "AppKit.framework",
+      "QuartzCore.framework",
+    ]
+  }
+
+  if (use_x11) {
+    sources += rebase_path(util_gypi.util_x11_sources, ".", "util")
+  }
+
+  if (is_android) {
+    # To prevent linux sources filtering on android
+    set_sources_assignment_filter([])
+    sources += rebase_path(util_gypi.util_linux_sources, ".", "util")
+    sources += rebase_path(util_gypi.util_android_sources, ".", "util")
+    libs = [
+      "android",
+      "log",
+    ]
+  }
+
+  if (use_ozone) {
+    sources += rebase_path(util_gypi.util_ozone_sources, ".", "util")
+  }
+
+  defines = [
+    "GL_GLEXT_PROTOTYPES",
+    "EGL_EGLEXT_PROTOTYPES",
+    "LIBANGLE_UTIL_IMPLEMENTATION",
+  ]
+
+  configs += [
+    ":debug_annotations_config",
+    ":extra_warnings",
+  ]
+
+  public_configs = [
+    ":angle_util_config",
+    ":internal_config",
+  ]
+  if (is_mac && !is_component_build) {
+    ldflags = [
+      "-install_name",
+      "@rpath/lib${target_name}.dylib",
+    ]
+    public_configs += [ ":shared_library_public_config" ]
+  }
+
+  deps = [
+    ":angle_common",
+    ":libEGL",
+    ":libGLESv2",
+  ]
+}