kc3-lang/angle/src/libANGLE/renderer/gl/egl/ContextEGL.h

• Show log

  Commit

• Hash : 01ee134b
  Author :
  Date : 2023-08-02T13:43:36
  

  Revert "GL: Remove EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE"
  
  This reverts commit 4e0250f1926d25e39023c4ad7862ed358a0ec4b6.
  
  Reason for revert: Chromium change was reverted. crbug.com/1468956
  
  Original change's description:
  > GL: Remove EGL_EXTERNAL_CONTEXT_SAVE_STATE_ANGLE
  >
  > Now that Chromium no longer uses it.
  >
  > Bug: angleproject:5509
  > Change-Id: Ibb8d9cdc4d67dad77ca50437423b18d81e838203
  > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4724768
  > Reviewed-by: Peng Huang <penghuang@chromium.org>
  > Reviewed-by: Geoff Lang <geofflang@chromium.org>
  > Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  
  Bug: angleproject:5509
  Change-Id: Id8143b1715ec8162be9351437fbd34a2aa4c2e00
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4742521
  Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

Download

• src/libANGLE/renderer/gl/egl/ContextEGL.h

• //
  // Copyright 2018 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.
  //
  
  // ContextEGL.h: Context class for GL on Android/ChromeOS.  Wraps a RendererEGL.
  
  #ifndef LIBANGLE_RENDERER_GL_EGL_CONTEXTEGL_H_
  #define LIBANGLE_RENDERER_GL_EGL_CONTEXTEGL_H_
  
  #include "libANGLE/renderer/gl/ContextGL.h"
  #include "libANGLE/renderer/gl/egl/RendererEGL.h"
  
  namespace rx
  {
  
  struct ExternalContextState;
  
  class ContextEGL : public ContextGL
  {
    public:
      ContextEGL(const gl::State &state,
                 gl::ErrorSet *errorSet,
                 const std::shared_ptr<RendererEGL> &renderer,
                 RobustnessVideoMemoryPurgeStatus robustnessVideoMemoryPurgeStatus);
      ~ContextEGL() override;
  
      angle::Result onMakeCurrent(const gl::Context *context) override;
      angle::Result onUnMakeCurrent(const gl::Context *context) override;
  
      void acquireExternalContext(const gl::Context *context) override;
      void releaseExternalContext(const gl::Context *context) override;
  
      EGLContext getContext() const;
  
    private:
      std::shared_ptr<RendererEGL> mRendererEGL;
      std::unique_ptr<ExternalContextState> mExtState;
  
      // Used to restore the default FBO's ID on unmaking an external context
      // current, as when making an external context current ANGLE sets the
      // default FBO's ID to that bound in the external context.
      GLuint mPrevDefaultFramebufferID = 0;
  
      // onMakeCurrent() can be called when this context is already current, which
      // introduces complexities for the case where this context is wrapping an
      // external context. This variable is used to ensure that in this case we
      // save state from the native context only when first transitioning this
      // context to be current. It is true for the duration of time between an
      // onMakeCurrent() call and an onUnMakeCurrent() call (note: there is no
      // "nesting" of onUnMakeCurrent() calls, i.e., no matter how many
      // onMakeCurrent() calls have occurred consecutively, an onUnMakeCurrent()
      // call transitions this context away from being current).
      bool mIsCurrent = false;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_EGL_RENDEREREGL_H_
  

Download