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

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• Hash : df0203a9
  Author :
  Date : 2020-01-15T14:05:33
  

  EGL: Add support for EGL_EXT_pixel_format_float extension
  
  Add support for floating point configs. On backends that
  support rendering to floating point formats, add them to
  EGL's frambuffer config list
  
  Bug: angleproject:3958
  Tests: dEQP-EGL.functional.wide_color.*fp16*
         angle_end2end_tests --gtest_filter=EGLFloatSurfaceTest*
  Change-Id: Ie65f63013483267985c2b308567bf5025acf750e
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1993686
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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

• //
  // Copyright 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.
  //
  
  // WindowSurfaceEGL.h: EGL implementation of egl::Surface for windows
  
  #include "libANGLE/renderer/gl/egl/WindowSurfaceEGL.h"
  
  #include "libANGLE/Surface.h"
  #include "libANGLE/renderer/gl/egl/egl_utils.h"
  
  namespace rx
  {
  
  WindowSurfaceEGL::WindowSurfaceEGL(const egl::SurfaceState &state,
                                     const FunctionsEGL *egl,
                                     EGLConfig config,
                                     EGLNativeWindowType window)
      : SurfaceEGL(state, egl, config), mWindow(window)
  {}
  
  WindowSurfaceEGL::~WindowSurfaceEGL() {}
  
  egl::Error WindowSurfaceEGL::initialize(const egl::Display *display)
  {
      constexpr EGLint kForwardedWindowSurfaceAttributes[] = {
          EGL_RENDER_BUFFER, EGL_POST_SUB_BUFFER_SUPPORTED_NV, EGL_GL_COLORSPACE,
          EGL_COLOR_COMPONENT_TYPE_EXT};
  
      native_egl::AttributeVector nativeAttribs =
          native_egl::TrimAttributeMap(mState.attributes, kForwardedWindowSurfaceAttributes);
      native_egl::FinalizeAttributeVector(&nativeAttribs);
  
      mSurface = mEGL->createWindowSurface(mConfig, mWindow, nativeAttribs.data());
      if (mSurface == EGL_NO_SURFACE)
      {
          return egl::Error(mEGL->getError(), "eglCreateWindowSurface failed");
      }
  
      return egl::NoError();
  }
  
  }  // namespace rx
  

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