kc3-lang/angle/src/libANGLE/renderer/vulkan/linux/headless/DisplayVkHeadless.cpp

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• Hash : 458389f2
  Author :
  Date : 2021-09-02T22:41:40
  

  Vulkan: Support Linux dma-bufs
  
  This change adds support for EGL_EXT_image_dma_buf_import and
  EGL_EXT_image_dma_buf_import_modifiers on top of Vulkan's
  VK_EXT_external_memory_dma_buf and VK_EXT_image_drm_format_modifier.
  
  Bug: angleproject:6248
  Change-Id: I581987f88e9ddcf351dc721f499f63912dca05f9
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3145610
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/vulkan/linux/headless/DisplayVkHeadless.cpp

• //
  // Copyright 2020 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.
  //
  // DisplayVkHeadless.cpp:
  //    Implements the class methods for DisplayVkHeadless.
  //
  
  #include "DisplayVkHeadless.h"
  #include "WindowSurfaceVkHeadless.h"
  
  #include "libANGLE/Display.h"
  #include "libANGLE/renderer/vulkan/RendererVk.h"
  #include "libANGLE/renderer/vulkan/vk_caps_utils.h"
  
  namespace rx
  {
  
  DisplayVkHeadless::DisplayVkHeadless(const egl::DisplayState &state) : DisplayVkLinux(state) {}
  
  void DisplayVkHeadless::terminate()
  {
      DisplayVk::terminate();
  }
  
  bool DisplayVkHeadless::isValidNativeWindow(EGLNativeWindowType window) const
  {
      return true;
  }
  
  SurfaceImpl *DisplayVkHeadless::createWindowSurfaceVk(const egl::SurfaceState &state,
                                                        EGLNativeWindowType window)
  {
      return new WindowSurfaceVkHeadless(state, window);
  }
  
  egl::ConfigSet DisplayVkHeadless::generateConfigs()
  {
      constexpr GLenum kColorFormats[] = {GL_RGBA8, GL_BGRA8_EXT, GL_RGB565, GL_RGB8};
  
      return egl_vk::GenerateConfigs(kColorFormats, egl_vk::kConfigDepthStencilFormats, this);
  }
  
  void DisplayVkHeadless::checkConfigSupport(egl::Config *config) {}
  
  const char *DisplayVkHeadless::getWSIExtension() const
  {
      return VK_EXT_HEADLESS_SURFACE_EXTENSION_NAME;
  }
  
  bool IsVulkanHeadlessDisplayAvailable()
  {
      return true;
  }
  
  DisplayImpl *CreateVulkanHeadlessDisplay(const egl::DisplayState &state)
  {
      return new DisplayVkHeadless(state);
  }
  
  }  // namespace rx
  

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