WIP RasterCanvasLayerAllocator experiment 2

skia/BUILD.gn

 # Copyright (c) 2013 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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/skia/gn/shared_sources.gni")
 
 if (current_cpu == "arm") {
@@ skipping 195 matching lines @@
     "ext/SkMemory_new_handler.cpp",
     "ext/analysis_canvas.cc",
     "ext/benchmarking_canvas.cc",
     "ext/convolver.cc",
     "ext/event_tracer_impl.cc",
     "ext/fontmgr_default_win.cc",
     "ext/google_logging.cc",
     "ext/image_operations.cc",
     "ext/opacity_filter_canvas.cc",
     "ext/platform_device.cc",
-    "ext/platform_device_linux.cc",
     "ext/platform_device_mac.cc",
     "ext/platform_device_win.cc",
     "ext/recursive_gaussian_convolution.cc",
     "ext/skia_histogram.cc",
     "ext/skia_memory_dump_provider.cc",
     "ext/skia_trace_memory_dump_impl.cc",
     "ext/skia_utils_base.cc",
     "ext/skia_utils_ios.mm",
     "ext/skia_utils_mac.mm",
     "ext/skia_utils_win.cc",
@@ skipping 151 matching lines @@
     ]
   }
 
   if (!is_linux && !is_android) {
     sources -= [
       "//third_party/skia/src/ports/SkFontHost_FreeType.cpp",
       "//third_party/skia/src/ports/SkFontHost_FreeType_common.cpp",
     ]
   }
 
-  # Select the right BitmapPlatformDevice.
+  # Select the right LayerAllocator.
+  # (Platforms which only have Skia for a 'native' graphics system
+  # don't get one.)
   if (is_win) {
-    sources += [ "ext/bitmap_platform_device_win.cc" ]
+    sources += [
+      "ext/bitmap_platform_device_win.cc",
+      "ext/layer_allocator_win.cc",
+    ]
   } else if (is_mac) {
     sources += [ "ext/bitmap_platform_device_mac.cc" ]
   } else if (use_cairo) {
-    sources += [ "ext/bitmap_platform_device_cairo.cc" ]
-  } else if (!is_ios) {
-    sources += [ "ext/bitmap_platform_device_skia.cc" ]
+    sources += [ "ext/layer_allocator_cairo.cc" ]
   }
 
   if (is_clang && !is_nacl) {
     # Skia won't compile with some of the more strict clang warnings.
     # e.g. it does:
     #  SkASSERT(!"sk_out_of_memory");
     configs -= [ "//build/config/clang:extra_warnings" ]
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]
@@ skipping 17 matching lines @@
     deps += [
       "//build/linux:fontconfig",
       "//build/linux:freetype2",
       "//third_party/expat",
       "//third_party/icu:icuuc",
     ]
   }
 
   if (is_android) {
     set_sources_assignment_filter([])
-    sources += [ "ext/platform_device_linux.cc" ]
     set_sources_assignment_filter(sources_assignment_filter)
     deps += [
       "//third_party/android_tools:cpu_features",
       "//third_party/expat",
       "//third_party/freetype-android:freetype",
     ]
   }
 
   if (skia_support_pdf) {
     deps += [
@@ skipping 271 matching lines @@
 
     deps = [
       ":skia",
       "//base",
       "//base/test:test_support",
       "//build/config/sanitizers:deps",
       "//build/win:default_exe_manifest",
     ]
   }
 }