kc3-lang/angle/src/libANGLE/renderer/gl/eagl/PbufferSurfaceEAGL.h

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• Hash : 12ce8f68
  Author :
  Date : 2020-01-03T16:40:06
  

  Upstream WebKit's iOS port of ANGLE.
  
  Added the EAGL backend authored by Dean Jackson from Apple, and the
  refactoring changes needed to support it side-by-side with the macOS
  backend. Ran "git cl format" against these diffs.
  
  Defined the EGL_ANGLE_device_eagl extension and allocated an enum out
  of ANGLE's reserved range.
  
  The iOS backend is not yet included in any of the GN files.
  
  Bug: angleproject:4263
  Change-Id: I631c32930433c03bb16a242955ffedf55174bb29
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1987278
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: James Darpinian <jdarpinian@chromium.org>
  Commit-Queue: Kenneth Russell <kbr@chromium.org>
  

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• src/libANGLE/renderer/gl/eagl/PbufferSurfaceEAGL.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.
  //
  
  // PBufferSurfaceEAGL.h: an implementation of egl::Surface for PBuffers for the EAGL backend,
  //                       currently implemented using renderbuffers
  
  #ifndef LIBANGLE_RENDERER_GL_EAGL_PBUFFERSURFACEEAGL_H_
  #define LIBANGLE_RENDERER_GL_EAGL_PBUFFERSURFACEEAGL_H_
  
  #include "libANGLE/renderer/gl/SurfaceGL.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  class RendererGL;
  class StateManagerGL;
  
  class PbufferSurfaceEAGL : public SurfaceGL
  {
    public:
      PbufferSurfaceEAGL(const egl::SurfaceState &state,
                         RendererGL *renderer,
                         EGLint width,
                         EGLint height);
      ~PbufferSurfaceEAGL() override;
  
      egl::Error initialize(const egl::Display *display) override;
      egl::Error makeCurrent(const gl::Context *context) 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;
      void setSwapInterval(EGLint interval) override;
  
      EGLint getWidth() const override;
      EGLint getHeight() const override;
  
      EGLint isPostSubBufferSupported() const override;
      EGLint getSwapBehavior() const override;
  
      FramebufferImpl *createDefaultFramebuffer(const gl::Context *context,
                                                const gl::FramebufferState &state) override;
  
    private:
      unsigned mWidth;
      unsigned mHeight;
  
      // TODO(geofflang): Don't store these, they are potentially specific to a single GL context.
      // http://anglebug.com/2464
      const FunctionsGL *mFunctions;
      StateManagerGL *mStateManager;
  
      GLuint mColorRenderbuffer;
      GLuint mDSRenderbuffer;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_EAGL_PBUFFERSURFACEEAGL_H_
  

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