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

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• Hash : 3dddccff
  Author :
  Date : 2017-11-14T16:44:36
  

  Support RGB gl-tex-external stream consumers for StreamProducerNV12.
  
  This makes it relatively simple to sample from a D3D11Texture of
  arbitrary format.
  
  From: https://bugzilla.mozilla.org/show_bug.cgi?id=1322746
  
  BUG=angleproject:2233
  TEST=angle_end2end_tests
  
  Change-Id: I10cd3043b5cb0c5d36dd613467ba6c0ceadf41af
  Reviewed-on: https://chromium-review.googlesource.com/758042
  Commit-Queue: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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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 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,
                             EGLenum target,
                             const egl::AttributeMap &attribs) override;
  
      ContextImpl *createContext(const gl::ContextState &state) override;
  
      StreamProducerImpl *createStreamProducerD3DTexture(egl::Stream::ConsumerType consumerType,
                                                         const egl::AttributeMap &attribs) override;
  
      egl::Error makeCurrent(egl::Surface *drawSurface, egl::Surface *readSurface, gl::Context *context) override;
  
      gl::Version getMaxSupportedESVersion() const override;
  
    protected:
      RendererGL *getRenderer() const { return mRenderer; };
  
      void generateExtensions(egl::DisplayExtensions *outExtensions) const override;
  
    private:
      virtual const FunctionsGL *getFunctionsGL() const = 0;
      virtual egl::Error makeCurrentSurfaceless(gl::Context *context);
  
      RendererGL *mRenderer;
  
      egl::Surface *mCurrentDrawSurface;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_GL_DISPLAYGL_H_
  

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