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	- Add CefWindowInfo::shared_texture_enabled and CefRenderHandler::OnAcceleratedPaint for shared texture support. Currently only supported on Windows (D3D11). - Add CefWindowInfo::external_begin_frame_enabled and CefBrowserHost::SendExternalBeginFrame for external begin frame support.
		
			
				
	
	
		
			122 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2015 The Chromium Embedded Framework Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/browser_platform_delegate.h"
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#include <utility>
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#include "libcef/browser/context.h"
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#include "base/memory/ptr_util.h"
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#include "build/build_config.h"
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#include "libcef/browser/extensions/browser_platform_delegate_background.h"
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#if defined(OS_WIN)
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#include "libcef/browser/native/browser_platform_delegate_native_win.h"
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#include "libcef/browser/osr/browser_platform_delegate_osr_win.h"
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#elif defined(OS_MACOSX)
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#include "libcef/browser/native/browser_platform_delegate_native_mac.h"
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#include "libcef/browser/osr/browser_platform_delegate_osr_mac.h"
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#elif defined(OS_LINUX)
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#include "libcef/browser/native/browser_platform_delegate_native_linux.h"
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#include "libcef/browser/osr/browser_platform_delegate_osr_linux.h"
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#else
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#error A delegate implementation is not available for your platform.
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#endif
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#if defined(USE_AURA)
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#include "libcef/browser/views/browser_platform_delegate_views.h"
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#endif
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namespace {
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std::unique_ptr<CefBrowserPlatformDelegateNative> CreateNativeDelegate(
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    const CefWindowInfo& window_info,
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    SkColor background_color,
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    bool use_shared_texture,
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    bool use_external_begin_frame) {
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#if defined(OS_WIN)
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  return std::make_unique<CefBrowserPlatformDelegateNativeWin>(
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      window_info, background_color, use_shared_texture,
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      use_external_begin_frame);
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#elif defined(OS_MACOSX)
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  return std::make_unique<CefBrowserPlatformDelegateNativeMac>(
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      window_info, background_color);
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#elif defined(OS_LINUX)
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  return std::make_unique<CefBrowserPlatformDelegateNativeLinux>(
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      window_info, background_color);
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#endif
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}
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std::unique_ptr<CefBrowserPlatformDelegateOsr> CreateOSRDelegate(
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    std::unique_ptr<CefBrowserPlatformDelegateNative> native_delegate) {
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#if defined(OS_WIN)
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  return std::make_unique<CefBrowserPlatformDelegateOsrWin>(
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      std::move(native_delegate));
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#elif defined(OS_MACOSX)
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  return std::make_unique<CefBrowserPlatformDelegateOsrMac>(
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      std::move(native_delegate));
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#elif defined(OS_LINUX)
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  return std::make_unique<CefBrowserPlatformDelegateOsrLinux>(
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      std::move(native_delegate));
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#endif
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}
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}  // namespace
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// static
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std::unique_ptr<CefBrowserPlatformDelegate> CefBrowserPlatformDelegate::Create(
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    CefBrowserHostImpl::CreateParams& create_params) {
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  const bool is_windowless =
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      create_params.window_info &&
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      create_params.window_info->windowless_rendering_enabled &&
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      create_params.client && create_params.client->GetRenderHandler().get();
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  const SkColor background_color = CefContext::Get()->GetBackgroundColor(
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      &create_params.settings, is_windowless ? STATE_ENABLED : STATE_DISABLED);
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  bool use_shared_texture = false;
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  bool use_external_begin_frame = false;
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  if (is_windowless) {
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    use_shared_texture = create_params.window_info &&
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                         create_params.window_info->shared_texture_enabled;
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    use_external_begin_frame =
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        create_params.window_info &&
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        create_params.window_info->external_begin_frame_enabled;
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  }
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  if (create_params.window_info) {
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    std::unique_ptr<CefBrowserPlatformDelegateNative> native_delegate =
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        CreateNativeDelegate(*create_params.window_info.get(), background_color,
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                             use_shared_texture, use_external_begin_frame);
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    if (is_windowless)
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      return CreateOSRDelegate(std::move(native_delegate));
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    return std::move(native_delegate);
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  } else if (create_params.extension_host_type ==
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             extensions::VIEW_TYPE_EXTENSION_BACKGROUND_PAGE) {
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    // Creating a background extension host without a window.
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    std::unique_ptr<CefBrowserPlatformDelegateNative> native_delegate =
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        CreateNativeDelegate(CefWindowInfo(), background_color,
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                             use_shared_texture, use_external_begin_frame);
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    return std::make_unique<CefBrowserPlatformDelegateBackground>(
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        std::move(native_delegate));
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  }
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#if defined(USE_AURA)
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  else {
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    // CefWindowInfo is not used in this case.
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    std::unique_ptr<CefBrowserPlatformDelegateNative> native_delegate =
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        CreateNativeDelegate(CefWindowInfo(), background_color,
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                             use_shared_texture, use_external_begin_frame);
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    return std::make_unique<CefBrowserPlatformDelegateViews>(
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        std::move(native_delegate),
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        static_cast<CefBrowserViewImpl*>(create_params.browser_view.get()));
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  }
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#endif  // defined(USE_AURA)
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  NOTREACHED();
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  return nullptr;
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}
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