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

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• Author : Jamie Madill
  Date : 2017-11-21 19:22:44
  Hash : acf2f3ad
  Message : Apply Chromium style fixes. This addresses several minor code quality issues that are validated in Chromium, but not yet applied to ANGLE: * constructors and destructors must be defined out-of-line * auto is not allowed for simple pointer types * use override everywhere instead of virtual * virtual functions must also be defined out-of-line Slightly reduces binary size for me (~2k on Win, 150k on Linux). Bug: angleproject:1569 Change-Id: I073ca3365188caf5f29fb28d9eb207903c1843e6 Reviewed-on: https://chromium-review.googlesource.com/779959 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• 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/AttributeMap.h"
  #include "libANGLE/Caps.h"
  #include "libANGLE/Config.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/LoggingAnnotator.h"
  #include "libANGLE/MemoryProgramCache.h"
  #include "libANGLE/Version.h"
  
  namespace gl
  {
  class Context;
  class TextureManager;
  }
  
  namespace rx
  {
  class DisplayImpl;
  }
  
  namespace egl
  {
  class Device;
  class Image;
  class Surface;
  class Stream;
  class Thread;
  
  using SurfaceSet = std::set<Surface *>;
  
  struct DisplayState final : private angle::NonCopyable
  {
      DisplayState();
      ~DisplayState();
  
      SurfaceSet surfaceSet;
  };
  
  // Constant coded here as a sanity limit.
  constexpr EGLAttrib kProgramCacheSizeAbsoluteMax = 0x4000000;
  
  class Display final : angle::NonCopyable
  {
    public:
      ~Display();
  
      Error initialize();
      Error terminate();
  
      static Display *GetDisplayFromDevice(Device *device, const AttributeMap &attribMap);
      static Display *GetDisplayFromNativeDisplay(EGLNativeDisplayType nativeDisplay,
                                                  const AttributeMap &attribMap);
  
      static const ClientExtensions &GetClientExtensions();
      static const std::string &GetClientExtensionString();
  
      std::vector<const Config *> getConfigs(const AttributeMap &attribs) const;
  
      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,
                                          EGLenum buftype,
                                          EGLClientBuffer clientBuffer,
                                          const AttributeMap &attribs,
                                          Surface **outSurface);
      Error createPixmapSurface(const Config *configuration,
                                NativePixmapType nativePixmap,
                                const AttributeMap &attribs,
                                Surface **outSurface);
  
      Error createImage(const gl::Context *context,
                        EGLenum target,
                        EGLClientBuffer buffer,
                        const AttributeMap &attribs,
                        Image **outImage);
  
      Error createStream(const AttributeMap &attribs, Stream **outStream);
  
      Error createContext(const Config *configuration,
                          gl::Context *shareContext,
                          const AttributeMap &attribs,
                          gl::Context **outContext);
  
      Error makeCurrent(Surface *drawSurface, Surface *readSurface, gl::Context *context);
  
      Error destroySurface(Surface *surface);
      void destroyImage(Image *image);
      void destroyStream(Stream *stream);
      Error destroyContext(gl::Context *context);
  
      bool isInitialized() const;
      bool isValidConfig(const Config *config) const;
      bool isValidContext(const gl::Context *context) const;
      bool isValidSurface(const Surface *surface) const;
      bool isValidImage(const Image *image) const;
      bool isValidStream(const Stream *stream) const;
      bool isValidNativeWindow(EGLNativeWindowType window) const;
  
      Error validateClientBuffer(const Config *configuration,
                                 EGLenum buftype,
                                 EGLClientBuffer clientBuffer,
                                 const AttributeMap &attribs);
  
      static bool isValidDisplay(const Display *display);
      static bool isValidNativeDisplay(EGLNativeDisplayType display);
      static bool hasExistingWindowSurface(EGLNativeWindowType window);
  
      bool isDeviceLost() const;
      bool testDeviceLost();
      void notifyDeviceLost();
  
      Error waitClient(const gl::Context *context) const;
      Error waitNative(const gl::Context *context, EGLint engine) const;
  
      const Caps &getCaps() const;
  
      const DisplayExtensions &getExtensions() const;
      const std::string &getExtensionString() const;
      const std::string &getVendorString() const;
  
      EGLint programCacheGetAttrib(EGLenum attrib) const;
      Error programCacheQuery(EGLint index,
                              void *key,
                              EGLint *keysize,
                              void *binary,
                              EGLint *binarysize);
      Error programCachePopulate(const void *key,
                                 EGLint keysize,
                                 const void *binary,
                                 EGLint binarysize);
      EGLint programCacheResize(EGLint limit, EGLenum mode);
  
      const AttributeMap &getAttributeMap() const { return mAttributeMap; }
      EGLNativeDisplayType getNativeDisplayId() const { return mDisplayId; }
  
      rx::DisplayImpl *getImplementation() const { return mImplementation; }
      Device *getDevice() const;
      EGLenum getPlatform() const { return mPlatform; }
  
      gl::Version getMaxSupportedESVersion() const;
  
      const DisplayState &getState() const { return mState; }
  
      gl::Context *getProxyContext() const { return mProxyContext.get(); }
  
    private:
      Display(EGLenum platform, EGLNativeDisplayType displayId, Device *eglDevice);
  
      void setAttributes(rx::DisplayImpl *impl, const AttributeMap &attribMap);
  
      Error restoreLostDevice();
  
      void initDisplayExtensions();
      void initVendorString();
  
      DisplayState mState;
      rx::DisplayImpl *mImplementation;
  
      EGLNativeDisplayType mDisplayId;
      AttributeMap mAttributeMap;
  
      ConfigSet mConfigSet;
  
      typedef std::set<gl::Context*> ContextSet;
      ContextSet mContextSet;
  
      typedef std::set<Image *> ImageSet;
      ImageSet mImageSet;
  
      typedef std::set<Stream *> StreamSet;
      StreamSet mStreamSet;
  
      bool mInitialized;
      bool mDeviceLost;
  
      Caps mCaps;
  
      DisplayExtensions mDisplayExtensions;
      std::string mDisplayExtensionString;
  
      std::string mVendorString;
  
      Device *mDevice;
      EGLenum mPlatform;
      angle::LoggingAnnotator mAnnotator;
  
      gl::TextureManager *mTextureManager;
      gl::MemoryProgramCache mMemoryProgramCache;
      size_t mGlobalTextureShareGroupUsers;
  
      // This gl::Context is a simple proxy to the Display for the GL back-end entry points
      // that need access to implementation-specific data, like a Renderer object.
      angle::UniqueObjectPointer<gl::Context, Display> mProxyContext;
  };
  
  }  // namespace egl
  
  #endif   // LIBANGLE_DISPLAY_H_