kc3-lang/angle/src/libANGLE/renderer/null/SurfaceNULL.cpp

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• Hash : ee218f27
  Author :
  Date : 2017-03-22T15:39:13
  

  Re-land eglGetSyncValuesCHROMIUM extension.
  
  This reverts commit 20c97cac2a15144b61ceec7404a9e6249c40f50a
  and adds a few trivial changes to make it build with the current version
  of ANGLE code.
  
  Please see https://bugs.chromium.org/p/chromium/issues/detail?id=614147
  for more details on how this extension will be used.
  
  Original description:
  
  This change adds implementation of eglGetSyncValuesCHROMIUM extension
  on D3D11 with Direct Composition. This should work on Windows 8.1 and
  above.
  
  The implementation is based on IDXGISwapChain::GetFrameStatistics.
  
  Extension documentation:
  https://chromium.googlesource.com/chromium/src/gpu/+/master/GLES2/extensions/CHROMIUM/EGL_CHROMIUM_get_sync_values.txt
  
  BUG=angleproject:1402
  
  Change-Id: I4b77899f31a4c4cf1fa7f20ab12de5a02ccf74d8
  Reviewed-on: https://chromium-review.googlesource.com/459217
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/null/SurfaceNULL.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.
  //
  // SurfaceNULL.cpp:
  //    Implements the class methods for SurfaceNULL.
  //
  
  #include "libANGLE/renderer/null/SurfaceNULL.h"
  
  #include "common/debug.h"
  
  #include "libANGLE/renderer/null/FramebufferNULL.h"
  
  namespace rx
  {
  
  SurfaceNULL::SurfaceNULL(const egl::SurfaceState &surfaceState) : SurfaceImpl(surfaceState)
  {
  }
  
  SurfaceNULL::~SurfaceNULL()
  {
  }
  
  egl::Error SurfaceNULL::initialize(const DisplayImpl *displayImpl)
  {
      return egl::NoError();
  }
  
  FramebufferImpl *SurfaceNULL::createDefaultFramebuffer(const gl::FramebufferState &state)
  {
      return new FramebufferNULL(state);
  }
  
  egl::Error SurfaceNULL::swap(const DisplayImpl *displayImpl)
  {
      return egl::NoError();
  }
  
  egl::Error SurfaceNULL::postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height)
  {
      return egl::NoError();
  }
  
  egl::Error SurfaceNULL::querySurfacePointerANGLE(EGLint attribute, void **value)
  {
      UNREACHABLE();
      return egl::NoError();
  }
  
  egl::Error SurfaceNULL::bindTexImage(gl::Texture *texture, EGLint buffer)
  {
      return egl::NoError();
  }
  
  egl::Error SurfaceNULL::releaseTexImage(EGLint buffer)
  {
      return egl::NoError();
  }
  
  egl::Error SurfaceNULL::getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc)
  {
      UNIMPLEMENTED();
      return egl::Error(EGL_BAD_ACCESS);
  }
  
  void SurfaceNULL::setSwapInterval(EGLint interval)
  {
  }
  
  EGLint SurfaceNULL::getWidth() const
  {
      // TODO(geofflang): Read from an actual window?
      return 100;
  }
  
  EGLint SurfaceNULL::getHeight() const
  {
      // TODO(geofflang): Read from an actual window?
      return 100;
  }
  
  EGLint SurfaceNULL::isPostSubBufferSupported() const
  {
      return EGL_TRUE;
  }
  
  EGLint SurfaceNULL::getSwapBehavior() const
  {
      return EGL_BUFFER_PRESERVED;
  }
  
  }  // namespace rx
  

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