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

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• Hash : 1a1a1427
  Author :
  Date : 2020-01-23T13:57:21
  

  Expose eglGetMscRateCHROMIUM from EGL_CHROMIUM_sync_control
  
  When ANGLE is using the GL backend on GLX, we can expose
  eglGetMscRateCHROMIUM via glXGetMscRateOML. Otherwise, this function
  should return false.
  
  Bug: chromium:1042393
  Change-Id: Id9b308c2217e07ee9860e2869be0e23b7a0c7411
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2017048
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/null/SurfaceNULL.h

• //
  // 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.h:
  //    Defines the class interface for SurfaceNULL, implementing SurfaceImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_NULL_SURFACENULL_H_
  #define LIBANGLE_RENDERER_NULL_SURFACENULL_H_
  
  #include "libANGLE/renderer/SurfaceImpl.h"
  
  namespace rx
  {
  
  class SurfaceNULL : public SurfaceImpl
  {
    public:
      SurfaceNULL(const egl::SurfaceState &surfaceState);
      ~SurfaceNULL() override;
  
      egl::Error initialize(const egl::Display *display) override;
      FramebufferImpl *createDefaultFramebuffer(const gl::Context *context,
                                                const gl::FramebufferState &state) override;
      egl::Error swap(const gl::Context *context) override;
      egl::Error postSubBuffer(const gl::Context *context,
                               EGLint x,
                               EGLint y,
                               EGLint width,
                               EGLint height) override;
      egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override;
      egl::Error bindTexImage(const gl::Context *context,
                              gl::Texture *texture,
                              EGLint buffer) override;
      egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override;
      egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override;
      egl::Error getMscRate(EGLint *numerator, EGLint *denominator) override;
      void setSwapInterval(EGLint interval) override;
  
      // width and height can change with client window resizing
      EGLint getWidth() const override;
      EGLint getHeight() const override;
  
      EGLint isPostSubBufferSupported() const override;
      EGLint getSwapBehavior() const override;
  
      angle::Result initializeContents(const gl::Context *context,
                                       const gl::ImageIndex &imageIndex) override;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_NULL_SURFACENULL_H_
  

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