kc3-lang/angle/src/libANGLE/renderer/vulkan/mac/IOSurfaceSurfaceVkMac.h

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• Hash : 0364270d
  Author :
  Date : 2021-10-04T17:54:03
  

  Alignment fix for IOSurface
  
  A wrong alignment was causing an issue in some tests.
  This CL doesn't fix any single WebGL conformance test
  entirely, but it fixes 564 of the 1292 failing sub-cases
  within the conformance/textures/webgl_canvas/* category.
  
  Bug: chromium:1099979
  Change-Id: Id6051b24cb3c335d2f97f2c38c8de1dc7afde52f
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3203790
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Alexis Hétu <sugoi@chromium.org>
  

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• src/libANGLE/renderer/vulkan/mac/IOSurfaceSurfaceVkMac.h

• //
  // 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.
  //
  // IOSurfaceSurfaceVkMac.h:
  //    Subclasses SurfaceVk for the Mac platform to implement PBuffers using an IOSurface
  //
  
  #ifndef LIBANGLE_RENDERER_VULKAN_MAC_IOSURFACESURFACEVKMAC_H_
  #define LIBANGLE_RENDERER_VULKAN_MAC_IOSURFACESURFACEVKMAC_H_
  
  #include "libANGLE/renderer/vulkan/SurfaceVk.h"
  
  struct __IOSurface;
  typedef __IOSurface *IOSurfaceRef;
  
  namespace egl
  {
  class AttributeMap;
  }  // namespace egl
  
  namespace rx
  {
  
  class IOSurfaceSurfaceVkMac : public OffscreenSurfaceVk
  {
    public:
      IOSurfaceSurfaceVkMac(const egl::SurfaceState &state,
                            EGLClientBuffer buffer,
                            const egl::AttributeMap &attribs,
                            RendererVk *renderer);
      ~IOSurfaceSurfaceVkMac() override;
  
      egl::Error initialize(const egl::Display *display) override;
  
      egl::Error unMakeCurrent(const gl::Context *context) override;
  
      egl::Error bindTexImage(const gl::Context *context,
                              gl::Texture *texture,
                              EGLint buffer) override;
      egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override;
  
      static bool ValidateAttributes(const DisplayVk *displayVk,
                                     EGLClientBuffer buffer,
                                     const egl::AttributeMap &attribs);
  
    protected:
      angle::Result initializeImpl(DisplayVk *displayVk) override;
  
    private:
      int computeAlignment() const;
  
      IOSurfaceRef mIOSurface;
  
      int mPlane;
      int mFormatIndex;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_VULKAN_MAC_IOSURFACESURFACEVKMAC_H_
  

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