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

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• Hash : 862c0ba4
  Author :
  Date : 2015-05-25T15:31:16
  

  Implement the remaining caps queries.
  
  Limit the supported ES version based on these caps.
  
  BUG=angleproject:879
  
  Change-Id: If3a097576465b33af0015fcb28dab10e88fdc4d9
  Reviewed-on: https://chromium-review.googlesource.com/273160
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/gl/DisplayGL.cpp

• //
  // Copyright (c) 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: GL implementation of egl::Display
  
  #include "libANGLE/renderer/gl/DisplayGL.h"
  
  #include "libANGLE/AttributeMap.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/Display.h"
  #include "libANGLE/Surface.h"
  #include "libANGLE/renderer/gl/RendererGL.h"
  #include "libANGLE/renderer/gl/SurfaceGL.h"
  
  #include <EGL/eglext.h>
  
  namespace rx
  {
  
  DisplayGL::DisplayGL()
      : mRenderer(nullptr)
  {
  }
  
  DisplayGL::~DisplayGL()
  {
  }
  
  egl::Error DisplayGL::initialize(egl::Display *display)
  {
      mRenderer = new RendererGL(getFunctionsGL(), display->getAttributeMap());
  
      const gl::Version &maxVersion = mRenderer->getMaxSupportedESVersion();
      if (maxVersion < gl::Version(2, 0))
      {
          return egl::Error(EGL_NOT_INITIALIZED, "OpenGL ES 2.0 is not supportable.");
      }
  
      return egl::Error(EGL_SUCCESS);
  }
  
  void DisplayGL::terminate()
  {
      SafeDelete(mRenderer);
  }
  
  egl::Error DisplayGL::createContext(const egl::Config *config, const gl::Context *shareContext, const egl::AttributeMap &attribs, gl::Context **outContext)
  {
      ASSERT(mRenderer != nullptr);
  
      EGLint clientVersion = attribs.get(EGL_CONTEXT_CLIENT_VERSION, 1);
      bool notifyResets = (attribs.get(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT, EGL_NO_RESET_NOTIFICATION_EXT) == EGL_LOSE_CONTEXT_ON_RESET_EXT);
      bool robustAccess = (attribs.get(EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT, EGL_FALSE) == EGL_TRUE);
  
      *outContext = new gl::Context(config, clientVersion, shareContext, mRenderer, notifyResets, robustAccess);
      return egl::Error(EGL_SUCCESS);
  }
  
  egl::Error DisplayGL::makeCurrent(egl::Surface *drawSurface, egl::Surface *readSurface, gl::Context *context)
  {
      if (!drawSurface)
      {
          return egl::Error(EGL_SUCCESS);
      }
  
      SurfaceGL *glDrawSurface = GetImplAs<SurfaceGL>(drawSurface);
      return glDrawSurface->makeCurrent();
  }
  
  const gl::Version &DisplayGL::getMaxSupportedESVersion() const
  {
      ASSERT(mRenderer != nullptr);
      return mRenderer->getMaxSupportedESVersion();
  }
  
  }
  

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