kc3-lang/angle/src/libANGLE/renderer/gl/DisplayGL.h

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• Hash : 08142700
  Author :
  Date : 2020-10-01T19:30:03
  

  Work-around test runner & DebugAnnotator
  
  Note: This precedes another CL that needs this change.
  
  DebugAnnotator uses a global variable.  The test runner doesn't change
  state between testing different back-ends.  This works-around the
  problem by setting the global variable when the context is switched.
  
  Because the GL back-end doesn't have its own DebugAnnotator sub-class,
  add a Display* to DisplayImpl::makeCurrent(), so that
  DisplayGL::makeCurrent() can install the front-end-Display's
  DebugAnnotator.
  
  Note: the Vulkan back-end gets this fix even though the new
  DebugAnnotatorVk class will be added in a follow-on CL.
  
  Bug: b/162068318
  Bug: b/169243237
  Bug: angleproject:5121
  Change-Id: If08626a5310f9b4e3210e1a897a6886248e4d8ac
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2451423
  Reviewed-by: Ian Elliott <ianelliott@google.com>
  Commit-Queue: Ian Elliott <ianelliott@google.com>
  

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• src/libANGLE/renderer/gl/DisplayGL.h

• //
  // Copyright 2015 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.
  //
  
  // DisplayGL.h: Defines the class interface for DisplayGL.
  
  #ifndef LIBANGLE_RENDERER_GL_DISPLAYGL_H_
  #define LIBANGLE_RENDERER_GL_DISPLAYGL_H_
  
  #include "libANGLE/renderer/DisplayImpl.h"
  #include "libANGLE/renderer/gl/FunctionsGL.h"
  
  namespace egl
  {
  class Surface;
  }
  
  namespace rx
  {
  class ShareGroupGL : public ShareGroupImpl
  {};
  
  class RendererGL;
  
  class DisplayGL : public DisplayImpl
  {
    public:
      DisplayGL(const egl::DisplayState &state);
      ~DisplayGL() override;
  
      egl::Error initialize(egl::Display *display) override;
      void terminate() override;
  
      ImageImpl *createImage(const egl::ImageState &state,
                             const gl::Context *context,
                             EGLenum target,
                             const egl::AttributeMap &attribs) override;
  
      StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
                                                         const egl::AttributeMap &attribs) override;
  
      ShareGroupImpl *createShareGroup() override;
  
      egl::Error makeCurrent(egl::Display *display,
                             egl::Surface *drawSurface,
                             egl::Surface *readSurface,
                             gl::Context *context) override;
  
      gl::Version getMaxConformantESVersion() const override;
  
    protected:
      void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
  
    private:
      virtual egl::Error makeCurrentSurfaceless(gl::Context *context);
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_DISPLAYGL_H_
  

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