kc3-lang/angle/src/libANGLE/renderer/vulkan/linux/wayland/WindowSurfaceVkWayland.cpp

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• Hash : 914fe61b
  Author :
  Date : 2024-03-15T13:20:49
  

  Vulkan: Rename RendererVk.* to vk_renderer.*
  
  Done in a separate CL from the move to namespace vk to avoid possible
  rebase-time confusion with the file name change.
  
  Bug: angleproject:8564
  Change-Id: Ibab79029834b88514d4466a7a4c076b1352bc450
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5370107
  Reviewed-by: Amirali Abdolrashidi <abdolrashidi@google.com>
  Commit-Queue: Amirali Abdolrashidi <abdolrashidi@google.com>
  

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• src/libANGLE/renderer/vulkan/linux/wayland/WindowSurfaceVkWayland.cpp

• //
  // Copyright 2021-2022 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.
  //
  // WindowSurfaceVkWayland.cpp:
  //    Implements the class methods for WindowSurfaceVkWayland.
  //
  
  #include "libANGLE/renderer/vulkan/linux/wayland/WindowSurfaceVkWayland.h"
  
  #include "libANGLE/Context.h"
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/vulkan/ContextVk.h"
  #include "libANGLE/renderer/vulkan/DisplayVk.h"
  #include "libANGLE/renderer/vulkan/vk_renderer.h"
  
  #include <wayland-egl-backend.h>
  
  namespace rx
  {
  
  void WindowSurfaceVkWayland::ResizeCallback(wl_egl_window *eglWindow, void *payload)
  {
      WindowSurfaceVkWayland *windowSurface = reinterpret_cast<WindowSurfaceVkWayland *>(payload);
  
      if (windowSurface->mExtents.width != eglWindow->width ||
          windowSurface->mExtents.height != eglWindow->height)
      {
          windowSurface->mExtents.width  = eglWindow->width;
          windowSurface->mExtents.height = eglWindow->height;
  
          // Trigger swapchain resize
          windowSurface->mResized = true;
      }
  }
  
  WindowSurfaceVkWayland::WindowSurfaceVkWayland(const egl::SurfaceState &surfaceState,
                                                 EGLNativeWindowType window,
                                                 wl_display *display)
      : WindowSurfaceVk(surfaceState, window), mWaylandDisplay(display)
  {
      wl_egl_window *eglWindow   = reinterpret_cast<wl_egl_window *>(window);
      eglWindow->resize_callback = WindowSurfaceVkWayland::ResizeCallback;
      eglWindow->driver_private  = this;
  
      mExtents = gl::Extents(eglWindow->width, eglWindow->height, 1);
  }
  
  angle::Result WindowSurfaceVkWayland::createSurfaceVk(vk::Context *context, gl::Extents *extentsOut)
  {
      ANGLE_VK_CHECK(context,
                     vkGetPhysicalDeviceWaylandPresentationSupportKHR(
                         context->getRenderer()->getPhysicalDevice(),
                         context->getRenderer()->getQueueFamilyIndex(), mWaylandDisplay),
                     VK_ERROR_INITIALIZATION_FAILED);
  
      wl_egl_window *eglWindow = reinterpret_cast<wl_egl_window *>(mNativeWindowType);
  
      VkWaylandSurfaceCreateInfoKHR createInfo = {};
  
      createInfo.sType   = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
      createInfo.flags   = 0;
      createInfo.display = mWaylandDisplay;
      createInfo.surface = eglWindow->surface;
      ANGLE_VK_TRY(context, vkCreateWaylandSurfaceKHR(context->getRenderer()->getInstance(),
                                                      &createInfo, nullptr, &mSurface));
  
      return getCurrentWindowSize(context, extentsOut);
  }
  
  angle::Result WindowSurfaceVkWayland::getCurrentWindowSize(vk::Context *context,
                                                             gl::Extents *extentsOut)
  {
      *extentsOut = mExtents;
      return angle::Result::Continue;
  }
  
  egl::Error WindowSurfaceVkWayland::getUserWidth(const egl::Display *display, EGLint *value) const
  {
      *value = getWidth();
      return egl::NoError();
  }
  
  egl::Error WindowSurfaceVkWayland::getUserHeight(const egl::Display *display, EGLint *value) const
  {
      *value = getHeight();
      return egl::NoError();
  }
  
  angle::Result WindowSurfaceVkWayland::getAttachmentRenderTarget(
      const gl::Context *context,
      GLenum binding,
      const gl::ImageIndex &imageIndex,
      GLsizei samples,
      FramebufferAttachmentRenderTarget **rtOut)
  {
      if (mResized)
      {
          // A wl_egl_window_resize() should take effect on the next operation which provokes a
          // backbuffer to be pulled
          ANGLE_TRY(doDeferredAcquireNextImage(context, true));
          mResized = false;
      }
      return WindowSurfaceVk::getAttachmentRenderTarget(context, binding, imageIndex, samples, rtOut);
  }
  
  }  // namespace rx
  

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