kc3-lang/angle/src/libANGLE/Display.h

• Show log

  Commit

• Hash : 3cf11ff4
  Author :
  Date : 2015-07-21T16:38:12
  

  Make sure the given display is a valid pointer.
  
  EGL functions are supposed to return EGL_BAD_DISPLAY when the display is
  an invalid pointer.
  
  Since there is very rarely more than one simultaneous display, iterating
  through the map is not costly.
  
  BUG=angleproject:970
  
  Change-Id: I3d9b842a49c5c99f9b8fad3d7ef53f9f5d3057ba
  Reviewed-on: https://chromium-review.googlesource.com/287342
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

Download

• src/libANGLE/Display.h

• //
  // Copyright (c) 2002-2013 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.
  //
  
  // Display.h: Defines the egl::Display class, representing the abstract
  // display on which graphics are drawn. Implements EGLDisplay.
  // [EGL 1.4] section 2.1.2 page 3.
  
  #ifndef LIBANGLE_DISPLAY_H_
  #define LIBANGLE_DISPLAY_H_
  
  #include <set>
  #include <vector>
  
  #include "libANGLE/Error.h"
  #include "libANGLE/Caps.h"
  #include "libANGLE/Config.h"
  #include "libANGLE/AttributeMap.h"
  #include "libANGLE/renderer/Renderer.h"
  
  namespace gl
  {
  class Context;
  }
  
  namespace rx
  {
  class DisplayImpl;
  }
  
  namespace egl
  {
  class Device;
  class Image;
  class Surface;
  
  class Display final : angle::NonCopyable
  {
    public:
      ~Display();
  
      Error initialize();
      void terminate();
  
      static egl::Display *getDisplay(EGLNativeDisplayType displayId, const AttributeMap &attribMap);
  
      static const ClientExtensions &getClientExtensions();
      static const std::string &getClientExtensionString();
  
      std::vector<const Config*> getConfigs(const egl::AttributeMap &attribs) const;
      bool getConfigAttrib(const Config *configuration, EGLint attribute, EGLint *value);
  
      Error createWindowSurface(const Config *configuration, EGLNativeWindowType window, const AttributeMap &attribs,
                                Surface **outSurface);
      Error createPbufferSurface(const Config *configuration, const AttributeMap &attribs, Surface **outSurface);
      Error createPbufferFromClientBuffer(const Config *configuration, EGLClientBuffer shareHandle, const AttributeMap &attribs,
                                          Surface **outSurface);
      Error createPixmapSurface(const Config *configuration, NativePixmapType nativePixmap, const AttributeMap &attribs,
                                Surface **outSurface);
  
      Error createImage(gl::Context *context,
                        EGLenum target,
                        EGLClientBuffer buffer,
                        const AttributeMap &attribs,
                        Image **outImage);
  
      Error createContext(const Config *configuration, gl::Context *shareContext, const AttributeMap &attribs,
                          gl::Context **outContext);
  
      Error makeCurrent(egl::Surface *drawSurface, egl::Surface *readSurface, gl::Context *context);
  
      void destroySurface(egl::Surface *surface);
      void destroyImage(egl::Image *image);
      void destroyContext(gl::Context *context);
  
      bool isInitialized() const;
      bool isValidConfig(const Config *config) const;
      bool isValidContext(gl::Context *context) const;
      bool isValidSurface(egl::Surface *surface) const;
      bool isValidNativeWindow(EGLNativeWindowType window) const;
  
      static bool isValidDisplay(const egl::Display *display);
      static bool isValidNativeDisplay(EGLNativeDisplayType display);
      static bool hasExistingWindowSurface(EGLNativeWindowType window);
  
      bool isDeviceLost() const;
      bool testDeviceLost();
      void notifyDeviceLost();
  
      const Caps &getCaps() const;
  
      const DisplayExtensions &getExtensions() const;
      const std::string &getExtensionString() const;
      const std::string &getVendorString() const;
  
      const AttributeMap &getAttributeMap() const { return mAttributeMap; }
      EGLNativeDisplayType getNativeDisplayId() const { return mDisplayId; }
  
      rx::DisplayImpl *getImplementation() { return mImplementation; }
      Device *getDevice() const;
  
    private:
      Display(EGLNativeDisplayType displayId);
  
      void setAttributes(rx::DisplayImpl *impl, const AttributeMap &attribMap);
  
      Error restoreLostDevice();
  
      void initDisplayExtensions();
      void initVendorString();
  
      rx::DisplayImpl *mImplementation;
  
      EGLNativeDisplayType mDisplayId;
      AttributeMap mAttributeMap;
  
      ConfigSet mConfigSet;
  
      typedef std::set<gl::Context*> ContextSet;
      ContextSet mContextSet;
  
      bool mInitialized;
  
      Caps mCaps;
  
      DisplayExtensions mDisplayExtensions;
      std::string mDisplayExtensionString;
  
      std::string mVendorString;
  
      Device *mDevice;
  };
  
  }
  
  #endif   // LIBANGLE_DISPLAY_H_
  

Download