[ozone/windows] Windows platform

This cl creates the windows platform for ozone.

These changes are not sufficient for a successful Windows/Ozone build.
See: https://chromium-review.googlesource.com/c/chromium/src/+/974285
and https://swiftshader-review.googlesource.com/c/SwiftShader/+/17968

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
Change-Id: If27cd7b56d5503db6881cf1f2c563826f72f0be0
Reviewed-on: https://chromium-review.googlesource.com/975902Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Mustafa Çamurcu <camurcu@google.com>
Cr-Commit-Position: refs/heads/master@{#553300}

ui/ozone/BUILD.gn

@@ -21,6 +21,11 @@ ozone_platform_deps = ozone_external_platform_deps
 # Extra dependencies to pull into ozone_unittests for built platforms.
 ozone_platform_test_deps = ozone_external_platform_test_deps
 
+if (ozone_platform_windows) {
+  ozone_platforms += [ "windows" ]
+  ozone_platform_deps += [ "platform/windows" ]
+}
+
 if (ozone_platform_headless) {
   ozone_platforms += [ "headless" ]
   ozone_platform_deps += [ "platform/headless" ]

ui/ozone/demo/ozone_demo.cc

@@ -11,6 +11,7 @@
 #include "base/run_loop.h"
 #include "base/task_scheduler/task_scheduler.h"
 #include "base/trace_event/trace_event.h"
+#include "build/build_config.h"
 #include "components/tracing/common/trace_to_console.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "ui/events/ozone/layout/keyboard_layout_engine.h"
@@ -28,6 +29,12 @@ int main(int argc, char** argv) {
 
   // Initialize logging so we can enable VLOG messages.
   logging::LoggingSettings settings;
+
+// Logs to system debug by default on POSIX.
+#if defined(OS_WIN)
+  settings.log_file = FILE_PATH_LITERAL("ozone_demo.log");
+#endif
+
   logging::InitLogging(settings);
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(kHelp)) {

ui/ozone/ozone.gni

@@ -30,6 +30,9 @@ declare_args() {
   # Compile the 'wayland' platform.
   ozone_platform_wayland = false
 
+  # Compile the 'windows' platform.
+  ozone_platform_windows = false
+
   if (ozone_auto_platforms) {
     # Use headless as the default platform unless modified below.
     ozone_platform = "headless"
@@ -59,11 +62,14 @@ declare_args() {
       ozone_platform = "x11"
       ozone_platform_wayland = true
       ozone_platform_x11 = true
+    } else if (is_win) {
+      ozone_platform = "windows"
+      ozone_platform_windows = true
     }
   }
 }
 
 assert(use_ozone || !(ozone_platform_cast || ozone_platform_gbm ||
                           ozone_platform_headless || ozone_platform_x11 ||
-                          ozone_platform_wayland),
+                          ozone_platform_wayland || ozone_platform_windows),
        "Must set use_ozone to select ozone platforms")

ui/ozone/platform/headless/headless_surface_factory.cc

@@ -143,7 +143,13 @@ base::FilePath HeadlessSurfaceFactory::GetPathForWidget(
     return base_path_;
 
   // Disambiguate multiple window output files with the window id.
+#if defined(OS_WIN)
+  std::string path = base::IntToString(reinterpret_cast<int>(widget)) + ".png";
+  std::wstring wpath(path.begin(), path.end());
+  return base_path_.Append(wpath);
+#else
   return base_path_.Append(base::IntToString(widget) + ".png");
+#endif
 }
 
 std::vector<gl::GLImplementation>

ui/ozone/platform/windows/BUILD.gn

+# Copyright 2018 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.
+
+visibility = [ "//ui/ozone/*" ]
+
+source_set("windows") {
+  sources = [
+    "client_native_pixmap_factory_windows.cc",
+    "client_native_pixmap_factory_windows.h",
+    "ozone_platform_windows.cc",
+    "ozone_platform_windows.h",
+    "windows_surface_factory.cc",
+    "windows_surface_factory.h",
+    "windows_window.cc",
+    "windows_window.h",
+    "windows_window_manager.cc",
+    "windows_window_manager.h",
+  ]
+
+  defines = [ "OZONE_IMPLEMENTATION" ]
+
+  deps = [
+    "//base",
+    "//skia",
+    "//ui/base",
+    "//ui/display/manager",
+    "//ui/events",
+    "//ui/events/ozone:events_ozone_layout",
+    "//ui/events/platform",
+    "//ui/gfx/geometry",
+    "//ui/gl",
+    "//ui/ozone:ozone_base",
+    "//ui/ozone/common",
+    "//ui/platform_window",
+    "//ui/platform_window/win",
+  ]
+}

ui/ozone/platform/windows/client_native_pixmap_factory_windows.cc

+// Copyright 2018 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.
+
+#include "ui/ozone/platform/windows/client_native_pixmap_factory_windows.h"
+
+#include "ui/ozone/common/stub_client_native_pixmap_factory.h"
+
+namespace ui {
+
+gfx::ClientNativePixmapFactory* CreateClientNativePixmapFactoryWindows() {
+  // TODO(camurcu): Implement the better (more performant) way.
+  return CreateStubClientNativePixmapFactory();
+}
+
+}  // namespace ui

ui/ozone/platform/windows/client_native_pixmap_factory_windows.h

+// Copyright 2018 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.
+
+#ifndef UI_OZONE_PLATFORM_WINDOWS_CLIENT_NATIVE_PIXMAP_FACTORY_WINDOWS_H_
+#define UI_OZONE_PLATFORM_WINDOWS_CLIENT_NATIVE_PIXMAP_FACTORY_WINDOWS_H_
+
+namespace gfx {
+class ClientNativePixmapFactory;
+}
+
+namespace ui {
+
+// Constructor hook for use in constructor_list.cc
+gfx::ClientNativePixmapFactory* CreateClientNativePixmapFactoryWindows();
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_WINDOWS_CLIENT_NATIVE_PIXMAP_FACTORY_WINDOWS_H_

ui/ozone/platform/windows/ozone_platform_windows.cc

+// Copyright 2018 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.
+
+#include "ui/ozone/platform/windows/ozone_platform_windows.h"
+
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "ui/base/cursor/ozone/bitmap_cursor_factory_ozone.h"
+#include "ui/display/manager/fake_display_delegate.h"
+#include "ui/events/ozone/layout/keyboard_layout_engine_manager.h"
+#include "ui/events/ozone/layout/stub/stub_keyboard_layout_engine.h"
+#include "ui/events/platform/platform_event_source.h"
+#include "ui/events/system_input_injector.h"
+#include "ui/ozone/common/stub_overlay_manager.h"
+#include "ui/ozone/platform/windows/windows_surface_factory.h"
+#include "ui/ozone/platform/windows/windows_window.h"
+#include "ui/ozone/platform/windows/windows_window_manager.h"
+#include "ui/ozone/public/cursor_factory_ozone.h"
+#include "ui/ozone/public/gpu_platform_support_host.h"
+#include "ui/ozone/public/input_controller.h"
+#include "ui/ozone/public/ozone_platform.h"
+#include "ui/ozone/public/ozone_switches.h"
+
+namespace ui {
+
+namespace {
+
+// dummy class
+class WindowsPlatformEventSource : public ui::PlatformEventSource {
+ public:
+  WindowsPlatformEventSource() = default;
+  ~WindowsPlatformEventSource() override = default;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WindowsPlatformEventSource);
+};
+
+// OzonePlatform for Windows
+class OzonePlatformWindows : public OzonePlatform {
+ public:
+  OzonePlatformWindows() {}
+
+  ~OzonePlatformWindows() override {}
+
+  // OzonePlatform:
+  ui::SurfaceFactoryOzone* GetSurfaceFactoryOzone() override {
+    return surface_factory_.get();
+  }
+  OverlayManagerOzone* GetOverlayManager() override {
+    return overlay_manager_.get();
+  }
+  CursorFactoryOzone* GetCursorFactoryOzone() override {
+    return cursor_factory_ozone_.get();
+  }
+  InputController* GetInputController() override {
+    return input_controller_.get();
+  }
+  GpuPlatformSupportHost* GetGpuPlatformSupportHost() override {
+    return gpu_platform_support_host_.get();
+  }
+  std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() override {
+    return nullptr;  // no input injection support.
+  }
+  std::unique_ptr<PlatformWindow> CreatePlatformWindow(
+      PlatformWindowDelegate* delegate,
+      const gfx::Rect& bounds) override {
+    return std::make_unique<WindowsWindow>(delegate, bounds);
+  }
+  std::unique_ptr<display::NativeDisplayDelegate> CreateNativeDisplayDelegate()
+      override {
+    return std::make_unique<display::FakeDisplayDelegate>();
+  }
+
+  void InitializeUI(const InitParams& params) override {
+    window_manager_ = std::make_unique<WindowsWindowManager>();
+    surface_factory_ = std::make_unique<WindowsSurfaceFactory>();
+    // This unbreaks tests that create their own.
+    if (!PlatformEventSource::GetInstance())
+      platform_event_source_ = std::make_unique<WindowsPlatformEventSource>();
+    KeyboardLayoutEngineManager::SetKeyboardLayoutEngine(
+        std::make_unique<StubKeyboardLayoutEngine>());
+
+    overlay_manager_ = std::make_unique<StubOverlayManager>();
+    input_controller_ = CreateStubInputController();
+    cursor_factory_ozone_ = std::make_unique<BitmapCursorFactoryOzone>();
+    gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
+  }
+
+  void InitializeGPU(const InitParams& params) override {
+    if (!surface_factory_)
+      surface_factory_ = std::make_unique<WindowsSurfaceFactory>();
+  }
+
+ private:
+  std::unique_ptr<WindowsWindowManager> window_manager_;
+  std::unique_ptr<WindowsSurfaceFactory> surface_factory_;
+  std::unique_ptr<PlatformEventSource> platform_event_source_;
+  std::unique_ptr<CursorFactoryOzone> cursor_factory_ozone_;
+  std::unique_ptr<InputController> input_controller_;
+  std::unique_ptr<GpuPlatformSupportHost> gpu_platform_support_host_;
+  std::unique_ptr<OverlayManagerOzone> overlay_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(OzonePlatformWindows);
+};
+
+}  // namespace
+
+OzonePlatform* CreateOzonePlatformWindows() {
+  return new OzonePlatformWindows;
+}
+
+}  // namespace ui

ui/ozone/platform/windows/ozone_platform_windows.h

+// Copyright 2018 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.
+
+#ifndef UI_OZONE_PLATFORM_WINDOWS_OZONE_PLATFORM_WINDOWS_H_
+#define UI_OZONE_PLATFORM_WINDOWS_OZONE_PLATFORM_WINDOWS_H_
+
+namespace ui {
+
+class OzonePlatform;
+
+// Constructor hook for use in ozone_platform_list.cc
+OzonePlatform* CreateOzonePlatformWindows();
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_WINDOWS_OZONE_PLATFORM_WINDOWS_H_

ui/ozone/platform/windows/windows_surface_factory.cc

+// Copyright 2018 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.
+
+#include "ui/ozone/platform/windows/windows_surface_factory.h"
+
+#include "base/bind.h"
+#include "base/files/file_util.h"
+#include "base/location.h"
+#include "base/macros.h"
+#include "base/memory/ptr_util.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/task_scheduler/post_task.h"
+#include "build/build_config.h"
+#include "ui/gfx/codec/png_codec.h"
+#include "ui/gfx/skia_util.h"
+#include "ui/gfx/vsync_provider.h"
+#include "ui/gl/gl_surface_egl.h"
+#include "ui/gl/gl_surface_osmesa_win.h"
+#include "ui/gl/vsync_provider_win.h"
+#include "ui/ozone/common/egl_util.h"
+#include "ui/ozone/common/gl_ozone_egl.h"
+#include "ui/ozone/common/gl_ozone_osmesa.h"
+#include "ui/ozone/platform/windows/windows_window.h"
+#include "ui/ozone/platform/windows/windows_window_manager.h"
+
+namespace ui {
+
+namespace {
+
+class GLOzoneOSMesaWindows : public GLOzoneOSMesa {
+ public:
+  GLOzoneOSMesaWindows() = default;
+  ~GLOzoneOSMesaWindows() override = default;
+
+  // GLOzone:
+  scoped_refptr<gl::GLSurface> CreateViewGLSurface(
+      gfx::AcceleratedWidget window) override {
+    return gl::InitializeGLSurface(new gl::GLSurfaceOSMesaWin(window));
+  }
+
+  // TODO(camurcu): Implement CreateOffscreenGLSurface().
+
+  DISALLOW_COPY_AND_ASSIGN(GLOzoneOSMesaWindows);
+};
+
+class GLOzoneEGLWindows : public GLOzoneEGL {
+ public:
+  GLOzoneEGLWindows() = default;
+  ~GLOzoneEGLWindows() override = default;
+
+  // GLOzone:
+  scoped_refptr<gl::GLSurface> CreateViewGLSurface(
+      gfx::AcceleratedWidget window) override {
+    std::unique_ptr<gfx::VSyncProvider> sync_provider(
+        new gl::VSyncProviderWin(window));
+    return CreateNativeViewGLSurfaceEGL(window, std::move(sync_provider));
+  }
+
+  scoped_refptr<gl::GLSurface> CreateNativeViewGLSurfaceEGL(
+      gfx::AcceleratedWidget window,
+      std::unique_ptr<gfx::VSyncProvider> sync_provider) {
+    DCHECK_EQ(gl::kGLImplementationEGLGLES2, gl::GetGLImplementation());
+    DCHECK(window != gfx::kNullAcceleratedWidget);
+
+    return gl::InitializeGLSurface(
+        new gl::NativeViewGLSurfaceEGL(window, std::move(sync_provider)));
+  }
+
+  scoped_refptr<gl::GLSurface> CreateOffscreenGLSurface(
+      const gfx::Size& size) override {
+    return gl::InitializeGLSurface(new gl::PbufferGLSurfaceEGL(size));
+  }
+
+ protected:
+  // GLOzoneEGL:
+  HDC GetNativeDisplay() override {
+    // TODO(camurcu): Probably won't work with multiple AcceleratedWidgets.
+    // https://msdn.microsoft.com/en-us/library/windows/desktop/dd144947.aspx
+    return GetWindowDC(nullptr);
+  }
+
+  bool LoadGLES2Bindings(gl::GLImplementation implementation) override {
+    return LoadDefaultEGLGLES2Bindings(implementation);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GLOzoneEGLWindows);
+};
+
+}  // namespace
+
+WindowsSurfaceFactory::WindowsSurfaceFactory()
+    : egl_implementation_(std::make_unique<GLOzoneEGLWindows>()),
+      osmesa_implementation_(std::make_unique<GLOzoneOSMesaWindows>()) {}
+
+WindowsSurfaceFactory::~WindowsSurfaceFactory() = default;
+
+std::vector<gl::GLImplementation>
+WindowsSurfaceFactory::GetAllowedGLImplementations() {
+  return std::vector<gl::GLImplementation>{gl::kGLImplementationEGLGLES2,
+                                           gl::kGLImplementationOSMesaGL};
+}
+
+GLOzone* WindowsSurfaceFactory::GetGLOzone(
+    gl::GLImplementation implementation) {
+  switch (implementation) {
+    case gl::kGLImplementationEGLGLES2:
+      return egl_implementation_.get();
+    case gl::kGLImplementationOSMesaGL:
+      return osmesa_implementation_.get();
+    default:
+      return nullptr;
+  }
+}
+
+}  // namespace ui

ui/ozone/platform/windows/windows_surface_factory.h

+// Copyright 2018 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.
+
+#ifndef UI_OZONE_PLATFORM_WINDOWS_WINDOWS_SURFACE_FACTORY_H_
+#define UI_OZONE_PLATFORM_WINDOWS_WINDOWS_SURFACE_FACTORY_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "ui/ozone/public/gl_ozone.h"
+#include "ui/ozone/public/surface_factory_ozone.h"
+
+namespace ui {
+
+// Handles GL initialization and surface/context creation for Windows
+class WindowsSurfaceFactory : public SurfaceFactoryOzone {
+ public:
+  WindowsSurfaceFactory();
+  ~WindowsSurfaceFactory() override;
+
+  // SurfaceFactoryOzone:
+  std::vector<gl::GLImplementation> GetAllowedGLImplementations() override;
+  GLOzone* GetGLOzone(gl::GLImplementation implementation) override;
+
+ private:
+  std::unique_ptr<GLOzone> egl_implementation_;
+  // TODO(camurcu): remove osmesa.
+  std::unique_ptr<GLOzone> osmesa_implementation_;
+
+  DISALLOW_COPY_AND_ASSIGN(WindowsSurfaceFactory);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_WINDOWS_WINDOWS_SURFACE_FACTORY_H_

ui/ozone/platform/windows/windows_window.cc

+// Copyright 2018 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.
+
+#include "ui/ozone/platform/windows/windows_window.h"
+
+#include <string>
+
+#include "build/build_config.h"
+#include "ui/events/platform/platform_event_source.h"
+#include "ui/ozone/platform/windows/windows_window_manager.h"
+#include "ui/platform_window/platform_window_delegate.h"
+
+namespace ui {
+
+WindowsWindow::WindowsWindow(PlatformWindowDelegate* delegate,
+                             const gfx::Rect& bounds)
+    : WinWindow(delegate, bounds) {}
+
+WindowsWindow::~WindowsWindow() {}
+
+}  // namespace ui

ui/ozone/platform/windows/windows_window.h

+// Copyright 2018 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.
+
+#ifndef UI_OZONE_PLATFORM_WINDOWS_WINDOWS_WINDOW_H_
+#define UI_OZONE_PLATFORM_WINDOWS_WINDOWS_WINDOW_H_
+
+#include "base/macros.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/platform_window/win/win_window.h"
+
+namespace ui {
+
+class PlatformWindowDelegate;
+
+class WindowsWindow : public WinWindow {
+ public:
+  WindowsWindow(PlatformWindowDelegate* delegate, const gfx::Rect& bounds);
+  ~WindowsWindow() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WindowsWindow);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_WINDOWS_WINDOWS_WINDOW_H_

ui/ozone/platform/windows/windows_window_manager.cc

+// Copyright 2018 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.
+
+#include "ui/ozone/platform/windows/windows_window_manager.h"
+
+namespace ui {
+
+WindowsWindowManager::WindowsWindowManager() = default;
+
+WindowsWindowManager::~WindowsWindowManager() {}
+
+int32_t WindowsWindowManager::AddWindow(WindowsWindow* window) {
+  return windows_.Add(window);
+}
+
+void WindowsWindowManager::RemoveWindow(int32_t window_id,
+                                        WindowsWindow* window) {
+  DCHECK_EQ(window, windows_.Lookup(window_id));
+  windows_.Remove(window_id);
+}
+
+WindowsWindow* WindowsWindowManager::GetWindow(int32_t window_id) {
+  return windows_.Lookup(window_id);
+}
+
+}  // namespace ui

ui/ozone/platform/windows/windows_window_manager.h

+// Copyright 2018 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.
+
+#ifndef UI_OZONE_PLATFORM_WINDOWS_WINDOWS_WINDOW_MANAGER_H_
+#define UI_OZONE_PLATFORM_WINDOWS_WINDOWS_WINDOW_MANAGER_H_
+
+#include <stdint.h>
+
+#include <memory>
+
+#include "base/containers/id_map.h"
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/threading/thread_checker.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/ozone/public/surface_factory_ozone.h"
+
+namespace ui {
+
+class WindowsWindow;
+
+class WindowsWindowManager {
+ public:
+  WindowsWindowManager();
+  ~WindowsWindowManager();
+
+  // Register a new window. Returns the window id.
+  int32_t AddWindow(WindowsWindow* window);
+
+  // Remove a window.
+  void RemoveWindow(int32_t window_id, WindowsWindow* window);
+
+  // Find a window object by id;
+  WindowsWindow* GetWindow(int32_t window_id);
+
+ private:
+  base::IDMap<WindowsWindow*> windows_;
+
+  DISALLOW_COPY_AND_ASSIGN(WindowsWindowManager);
+};
+
+}  // namespace ui
+
+#endif  // UI_OZONE_PLATFORM_WINDOWS_WINDOWS_WINDOW_MANAGER_H_