kc3-lang/angle/src/libANGLE/renderer/gl/egl/FunctionsEGL.h

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• Hash : e7419b9f
  Author :
  Date : 2016-04-13T23:29:27
  

  Add FunctionsEGL, FunctionsEGLDL - EGL wrappers.
  
  FunctionsEGL is an abstract class.
  FunctionsEGLDL is an libdl-based implementation.
  
  BUG=angleproject:1297
  
  Change-Id: I0fe5a337e34518cc6248494dbc4ee5c2938d4b77
  Reviewed-on: https://chromium-review.googlesource.com/338884
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  Commit-Queue: Frank Henigman <fjhenigman@chromium.org>
  

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• src/libANGLE/renderer/gl/egl/FunctionsEGL.h

• //
  // 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.
  //
  
  // FunctionsEGL.h: Defines the FunctionsEGL class to load functions and data from EGL
  
  #ifndef LIBANGLE_RENDERER_GL_CROS_FUNCTIONSEGL_H_
  #define LIBANGLE_RENDERER_GL_CROS_FUNCTIONSEGL_H_
  
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  
  #include <string>
  #include <vector>
  
  #include "libANGLE/Error.h"
  
  namespace rx
  {
  
  class FunctionsGL;
  
  class FunctionsEGL
  {
    public:
      FunctionsEGL();
      virtual ~FunctionsEGL();
  
      int majorVersion;
      int minorVersion;
  
      virtual egl::Error initialize(EGLNativeDisplayType nativeDisplay);
      virtual egl::Error terminate();
  
      virtual void *getProcAddress(const char *name) const = 0;
  
      FunctionsGL *makeFunctionsGL() const;
      bool hasExtension(const char *extension) const;
      EGLDisplay getDisplay() const;
  
      EGLBoolean chooseConfig(EGLint const *attrib_list,
                              EGLConfig *configs,
                              EGLint config_size,
                              EGLint *num_config);
      EGLBoolean getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value);
      EGLContext createContext(EGLConfig config,
                               EGLContext share_context,
                               EGLint const *attrib_list) const;
      EGLBoolean destroyContext(EGLContext context) const;
      EGLBoolean makeCurrent(EGLSurface surface, EGLContext context) const;
      const char *queryString(EGLint name) const;
  
      EGLImageKHR createImageKHR(EGLContext context,
                                 EGLenum target,
                                 EGLClientBuffer buffer,
                                 const EGLint *attrib_list) const;
      EGLBoolean destroyImageKHR(EGLImageKHR image) const;
  
      EGLSyncKHR createSyncKHR(EGLenum type, const EGLint *attrib_list);
      EGLBoolean destroySyncKHR(EGLSyncKHR sync);
      EGLint clientWaitSyncKHR(EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
      EGLBoolean getSyncAttribKHR(EGLSyncKHR sync, EGLint attribute, EGLint *value);
  
    private:
      // So as to isolate from angle we do not include angleutils.h and cannot
      // use angle::NonCopyable so we replicated it here instead.
      FunctionsEGL(const FunctionsEGL &) = delete;
      void operator=(const FunctionsEGL &) = delete;
  
      struct EGLDispatchTable;
      EGLDispatchTable *mFnPtrs;
      EGLDisplay mEGLDisplay;
      std::vector<std::string> mExtensions;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_CROS_FUNCTIONSEGL_H_
  

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