kc3-lang/angle/src/libANGLE/renderer/vulkan/win32/DisplayVkWin32.cpp

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• Hash : b3ed4780
  Author :
  Date : 2021-12-21T17:20:19
  

  Change Windows display initialization from ANSI to wide version
  
  Bug: angleproject:6846
  Change-Id: I2aee8f4b5b7546fc707705e435251fa9861e27d0
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3352866
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Rafael Cintron <rafael.cintron@microsoft.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/vulkan/win32/DisplayVkWin32.cpp

• //
  // Copyright 2016 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // DisplayVkWin32.cpp:
  //    Implements the class methods for DisplayVkWin32.
  //
  
  #include "libANGLE/renderer/vulkan/win32/DisplayVkWin32.h"
  #include "libANGLE/renderer/vulkan/DisplayVk.h"
  #include "libANGLE/renderer/vulkan/RendererVk.h"
  
  #include <windows.h>
  
  #include "common/vulkan/vk_headers.h"
  #include "libANGLE/renderer/vulkan/vk_caps_utils.h"
  #include "libANGLE/renderer/vulkan/win32/WindowSurfaceVkWin32.h"
  
  namespace rx
  {
  
  DisplayVkWin32::DisplayVkWin32(const egl::DisplayState &state)
      : DisplayVk(state), mWindowClass(NULL), mMockWindow(nullptr)
  {}
  
  DisplayVkWin32::~DisplayVkWin32() {}
  
  void DisplayVkWin32::terminate()
  {
      if (mMockWindow)
      {
          DestroyWindow(mMockWindow);
          mMockWindow = nullptr;
      }
      if (mWindowClass)
      {
          if (!UnregisterClassA(reinterpret_cast<const char *>(mWindowClass),
                                GetModuleHandle(nullptr)))
          {
              WARN() << "Failed to unregister ANGLE window class: " << gl::FmtHex(mWindowClass);
          }
          mWindowClass = NULL;
      }
  
      DisplayVk::terminate();
  }
  
  bool DisplayVkWin32::isValidNativeWindow(EGLNativeWindowType window) const
  {
      return (IsWindow(window) == TRUE);
  }
  
  SurfaceImpl *DisplayVkWin32::createWindowSurfaceVk(const egl::SurfaceState &state,
                                                     EGLNativeWindowType window)
  {
      return new WindowSurfaceVkWin32(state, window);
  }
  
  egl::Error DisplayVkWin32::initialize(egl::Display *display)
  {
      ANGLE_TRY(DisplayVk::initialize(display));
  
      HINSTANCE hinstance = GetModuleHandle(nullptr);
  
      std::wostringstream stream;
      stream << L"ANGLE DisplayVkWin32 " << gl::FmtHex<egl::Display *, wchar_t>(display)
             << L" Intermediate Window Class";
  
      const LPWSTR idcArrow  = MAKEINTRESOURCEW(32512);
      std::wstring className = stream.str();
      WNDCLASSW wndClass;
      if (!GetClassInfoW(hinstance, className.c_str(), &wndClass))
      {
          WNDCLASSW intermediateClassDesc     = {};
          intermediateClassDesc.style         = CS_OWNDC;
          intermediateClassDesc.lpfnWndProc   = DefWindowProcW;
          intermediateClassDesc.cbClsExtra    = 0;
          intermediateClassDesc.cbWndExtra    = 0;
          intermediateClassDesc.hInstance     = GetModuleHandle(nullptr);
          intermediateClassDesc.hIcon         = nullptr;
          intermediateClassDesc.hCursor       = LoadCursorW(nullptr, idcArrow);
          intermediateClassDesc.hbrBackground = nullptr;
          intermediateClassDesc.lpszMenuName  = nullptr;
          intermediateClassDesc.lpszClassName = className.c_str();
          mWindowClass                        = RegisterClassW(&intermediateClassDesc);
          if (!mWindowClass)
          {
              return egl::EglNotInitialized()
                     << "Failed to register intermediate OpenGL window class \"" << className.c_str()
                     << "\":" << gl::FmtErr(HRESULT_CODE(GetLastError()));
          }
      }
  
      mMockWindow = CreateWindowExW(0, reinterpret_cast<LPCWSTR>(mWindowClass), L"ANGLE Mock Window",
                                    WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                                    CW_USEDEFAULT, nullptr, nullptr, nullptr, nullptr);
      if (!mMockWindow)
      {
          return egl::EglNotInitialized() << "Failed to create mock OpenGL window.";
      }
  
      VkSurfaceKHR surfaceVk;
      VkWin32SurfaceCreateInfoKHR info = {VK_STRUCTURE_TYPE_WIN32_SURFACE_CREATE_INFO_KHR, nullptr, 0,
                                          GetModuleHandle(nullptr), mMockWindow};
  
      VkInstance instance         = mRenderer->getInstance();
      VkPhysicalDevice physDevice = mRenderer->getPhysicalDevice();
  
      if (vkCreateWin32SurfaceKHR(instance, &info, nullptr, &surfaceVk) != VK_SUCCESS)
      {
          return egl::EglNotInitialized() << "vkCreateWin32SurfaceKHR failed";
      }
      uint32_t surfaceFormatCount;
  
      if (vkGetPhysicalDeviceSurfaceFormatsKHR(physDevice, surfaceVk, &surfaceFormatCount, nullptr) !=
          VK_SUCCESS)
      {
          return egl::EglNotInitialized() << "vkGetPhysicalDeviceSurfaceFormatsKHR failed";
      }
      mSurfaceFormats.resize(surfaceFormatCount);
      if (vkGetPhysicalDeviceSurfaceFormatsKHR(physDevice, surfaceVk, &surfaceFormatCount,
                                               mSurfaceFormats.data()) != VK_SUCCESS)
      {
          return egl::EglNotInitialized() << "vkGetPhysicalDeviceSurfaceFormatsKHR (2nd) failed";
      }
      vkDestroySurfaceKHR(instance, surfaceVk, nullptr);
  
      DestroyWindow(mMockWindow);
      mMockWindow = nullptr;
  
      return egl::NoError();
  }
  
  egl::ConfigSet DisplayVkWin32::generateConfigs()
  {
      const std::array<GLenum, 5> kColorFormats = {GL_RGB565, GL_BGRA8_EXT, GL_BGRX8_ANGLEX,
                                                   GL_RGB10_A2_EXT, GL_RGBA16F_EXT};
  
      std::vector<GLenum> depthStencilFormats(
          egl_vk::kConfigDepthStencilFormats,
          egl_vk::kConfigDepthStencilFormats + ArraySize(egl_vk::kConfigDepthStencilFormats));
  
      if (getCaps().stencil8)
      {
          depthStencilFormats.push_back(GL_STENCIL_INDEX8);
      }
      return egl_vk::GenerateConfigs(kColorFormats.data(), kColorFormats.size(),
                                     depthStencilFormats.data(), depthStencilFormats.size(), this);
  }
  
  void DisplayVkWin32::checkConfigSupport(egl::Config *config)
  {
      const vk::Format &formatVk = this->getRenderer()->getFormat(config->renderTargetFormat);
  
      // If the format list includes just one entry of VK_FORMAT_UNDEFINED,
      // the surface has no preferred format.  Otherwise, at least one
      // supported format will be returned.
      if (mSurfaceFormats.size() == 1u && mSurfaceFormats[0].format == VK_FORMAT_UNDEFINED)
      {
          return;
      }
  
      for (const VkSurfaceFormatKHR &surfaceFormat : mSurfaceFormats)
      {
          if (surfaceFormat.format == formatVk.getActualRenderableImageVkFormat())
          {
              return;
          }
      }
  
      // No window support for this config.
      config->surfaceType &= ~EGL_WINDOW_BIT;
  }
  
  const char *DisplayVkWin32::getWSIExtension() const
  {
      return VK_KHR_WIN32_SURFACE_EXTENSION_NAME;
  }
  
  bool IsVulkanWin32DisplayAvailable()
  {
      return true;
  }
  
  DisplayImpl *CreateVulkanWin32Display(const egl::DisplayState &state)
  {
      return new DisplayVkWin32(state);
  }
  }  // namespace rx
  

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