kc3-lang/angle/src/libANGLE/renderer/vulkan/mac/DisplayVkMac.mm

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• Hash : 5afd5ec6
  Author :
  Date : 2019-10-25T10:53:40
  

  Vulkan support for MacOS (using SwiftShader)
  
  Created a new WindowSurface/Display for MacOS/Vulkan, along with some
  GN changes to get it working.
  
  Bug: 1015454
  Change-Id: I3f7a12f173795efe598856c702ce53b1e50831eb
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1880163
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/vulkan/mac/DisplayVkMac.mm

• //
  // Copyright 2019 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.
  //
  // DisplayVkMac.mm:
  //    Implements methods from DisplayVkMac
  //
  
  #include "libANGLE/renderer/vulkan/mac/DisplayVkMac.h"
  
  #include <vulkan/vulkan.h>
  
  #include "libANGLE/renderer/vulkan/mac/WindowSurfaceVkMac.h"
  #include "libANGLE/renderer/vulkan/vk_caps_utils.h"
  
  #import <Cocoa/Cocoa.h>
  
  namespace rx
  {
  
  DisplayVkMac::DisplayVkMac(const egl::DisplayState &state) : DisplayVk(state) {}
  
  bool DisplayVkMac::isValidNativeWindow(EGLNativeWindowType window) const
  {
      NSObject *layer = reinterpret_cast<NSObject *>(window);
      return [layer isKindOfClass:[CALayer class]];
  }
  
  SurfaceImpl *DisplayVkMac::createWindowSurfaceVk(const egl::SurfaceState &state,
                                                   EGLNativeWindowType window)
  {
      ASSERT(isValidNativeWindow(window));
      return new WindowSurfaceVkMac(state, window);
  }
  
  egl::ConfigSet DisplayVkMac::generateConfigs()
  {
      constexpr GLenum kColorFormats[] = {GL_BGRA8_EXT, GL_BGRX8_ANGLEX};
      return egl_vk::GenerateConfigs(kColorFormats, egl_vk::kConfigDepthStencilFormats, this);
  }
  
  bool DisplayVkMac::checkConfigSupport(egl::Config *config)
  {
      // TODO(geofflang): Test for native support and modify the config accordingly.
      // anglebug.com/2692
      return true;
  }
  
  const char *DisplayVkMac::getWSIExtension() const
  {
      return VK_EXT_METAL_SURFACE_EXTENSION_NAME;
  }
  
  bool IsVulkanMacDisplayAvailable()
  {
      return true;
  }
  
  DisplayImpl *CreateVulkanMacDisplay(const egl::DisplayState &state)
  {
      return new DisplayVkMac(state);
  }
  
  }  // namespace rx
  

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