kc3-lang/angle/src/libANGLE/renderer/gl/egl/SurfaceEGL.cpp

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• Hash : 95401dbb
  Author :
  Date : 2016-12-15T11:27:48
  

  Surface: Pass DisplayImpl to initialize and swap.
  
  In new back-ends (Vulkan) this will allow us to avoid storing a ref
  to the Renderer in the Surface class.
  
  BUG=angleproject:1319
  
  Change-Id: I3b3f50893070d2993e4e91dd82ee539a083b3727
  Reviewed-on: https://chromium-review.googlesource.com/419837
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/gl/egl/SurfaceEGL.cpp

• //
  // Copyright (c) 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.
  //
  
  // SurfaceEGL.cpp: EGL implementation of egl::Surface
  
  #include "libANGLE/renderer/gl/egl/SurfaceEGL.h"
  
  #include "common/debug.h"
  
  namespace rx
  {
  
  SurfaceEGL::SurfaceEGL(const egl::SurfaceState &state,
                         const FunctionsEGL *egl,
                         EGLConfig config,
                         const std::vector<EGLint> &attribList,
                         EGLContext context,
                         RendererGL *renderer)
      : SurfaceGL(state, renderer),
        mEGL(egl),
        mConfig(config),
        mAttribList(attribList),
        mSurface(EGL_NO_SURFACE),
        mContext(context)
  {
  }
  
  SurfaceEGL::~SurfaceEGL()
  {
      if (mSurface != EGL_NO_SURFACE)
      {
          EGLBoolean success = mEGL->destroySurface(mSurface);
          ASSERT(success == EGL_TRUE);
      }
  }
  
  egl::Error SurfaceEGL::makeCurrent()
  {
      EGLBoolean success = mEGL->makeCurrent(mSurface, mContext);
      if (success == EGL_FALSE)
      {
          return egl::Error(mEGL->getError(), "eglMakeCurrent failed");
      }
      return egl::Error(EGL_SUCCESS);
  }
  
  egl::Error SurfaceEGL::swap(const DisplayImpl *displayImpl)
  {
      EGLBoolean success = mEGL->swapBuffers(mSurface);
      if (success == EGL_FALSE)
      {
          return egl::Error(mEGL->getError(), "eglSwapBuffers failed");
      }
      return egl::Error(EGL_SUCCESS);
  }
  
  egl::Error SurfaceEGL::postSubBuffer(EGLint x, EGLint y, EGLint width, EGLint height)
  {
      UNIMPLEMENTED();
      return egl::Error(EGL_BAD_SURFACE);
  }
  
  egl::Error SurfaceEGL::querySurfacePointerANGLE(EGLint attribute, void **value)
  {
      UNIMPLEMENTED();
      return egl::Error(EGL_BAD_SURFACE);
  }
  
  egl::Error SurfaceEGL::bindTexImage(gl::Texture *texture, EGLint buffer)
  {
      EGLBoolean success = mEGL->bindTexImage(mSurface, buffer);
      if (success == EGL_FALSE)
      {
          return egl::Error(mEGL->getError(), "eglBindTexImage failed");
      }
      return egl::Error(EGL_SUCCESS);
  }
  
  egl::Error SurfaceEGL::releaseTexImage(EGLint buffer)
  {
      EGLBoolean success = mEGL->releaseTexImage(mSurface, buffer);
      if (success == EGL_FALSE)
      {
          return egl::Error(mEGL->getError(), "eglReleaseTexImage failed");
      }
      return egl::Error(EGL_SUCCESS);
  }
  
  void SurfaceEGL::setSwapInterval(EGLint interval)
  {
      EGLBoolean success = mEGL->swapInterval(interval);
      if (success == EGL_FALSE)
      {
          ERR("eglSwapInterval error 0x%04x", mEGL->getError());
          ASSERT(false);
      }
  }
  
  EGLint SurfaceEGL::getWidth() const
  {
      EGLint value;
      EGLBoolean success = mEGL->querySurface(mSurface, EGL_WIDTH, &value);
      ASSERT(success == EGL_TRUE);
      return value;
  }
  
  EGLint SurfaceEGL::getHeight() const
  {
      EGLint value;
      EGLBoolean success = mEGL->querySurface(mSurface, EGL_HEIGHT, &value);
      ASSERT(success == EGL_TRUE);
      return value;
  }
  
  EGLint SurfaceEGL::isPostSubBufferSupported() const
  {
      UNIMPLEMENTED();
      return 0;
  }
  
  EGLint SurfaceEGL::getSwapBehavior() const
  {
      EGLint value;
      EGLBoolean success = mEGL->querySurface(mSurface, EGL_SWAP_BEHAVIOR, &value);
      ASSERT(success == EGL_TRUE);
      return value;
  }
  
  }  // namespace rx
  

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