初始化

cocos2d-x/cocos/platform/desktop/CCGLView-desktop.h

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+/****************************************************************************
+Copyright (c) 2010-2012 cocos2d-x.org
+Copyright (c) 2013-2016 Chukong Technologies Inc.
+Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+http://www.cocos2d-x.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+****************************************************************************/
+
+#pragma once
+
+#include "platform/CCGL.h"
+#include "base/ccMacros.h"
+#include "platform/CCApplication.h"
+
+#include "glfw3/glfw3.h"
+
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32)
+#ifndef GLFW_EXPOSE_NATIVE_WIN32
+#define GLFW_EXPOSE_NATIVE_WIN32
+#endif
+#ifndef GLFW_EXPOSE_NATIVE_WGL
+#define GLFW_EXPOSE_NATIVE_WGL
+#endif
+#include "glfw3/glfw3native.h"
+#endif /* (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32) */
+
+#if (CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
+#ifndef GLFW_EXPOSE_NATIVE_NSGL
+#define GLFW_EXPOSE_NATIVE_NSGL
+#endif
+#ifndef GLFW_EXPOSE_NATIVE_COCOA
+#define GLFW_EXPOSE_NATIVE_COCOA
+#endif
+#include "glfw3/glfw3native.h"
+#endif // #if (CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
+
+NS_CC_BEGIN
+
+class CC_DLL GLView final
+{
+public:
+    GLView(Application *application, const std::string& name, int x, int y, int width, int height,
+           Application::PixelFormat pixelformat, Application::DepthFormat depthFormat, int multiSampleCount);
+    ~GLView();
+
+    bool windowShouldClose() const;
+    void pollEvents();
+    void swapBuffers();
+    float getScale() const;
+    GLint getMainFBO() const;
+    void setIsEditboxEditing(bool value);
+
+    inline GLFWwindow* getGLFWWindow() const {return _mainWindow;};
+    
+private:  
+    bool initGlew();
+    void computeScale();
+
+    // GLFW callbacks
+    void onGLFWError(int errorID, const char* errorDesc);
+    void onGLFWMouseCallBack(GLFWwindow* window, int button, int action, int modify);
+    void onGLFWMouseMoveCallBack(GLFWwindow* window, double x, double y);
+    void onGLFWMouseScrollCallback(GLFWwindow* window, double x, double y);
+    void onGLFWKeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
+    void onGLFWCharCallback(GLFWwindow* window, unsigned int character);
+    void onGLFWWindowIconifyCallback(GLFWwindow* window, int iconified);
+    void onGLFWWindowSizeFunCallback(GLFWwindow *window, int width, int height);
+
+    GLFWwindow* _mainWindow = nullptr;
+    GLFWmonitor* _monitor = nullptr;
+    GLint _mainFBO = -1;
+
+    std::string _glfwError;
+    
+    Application *_application = nullptr;
+
+    float _mouseX = 0;
+    float _mouseY = 0;
+    
+    // (framebuffer size) / (window size)
+    float _scale = 1.0f;
+    
+    bool _isEditboxEditing = false;
+
+    friend class GLFWEventHandler;
+};
+
+
+class CC_DLL GLFWEventHandler final
+{
+public:
+    static void onGLFWError(int errorID, const char* errorDesc)
+    {
+        _view->onGLFWError(errorID, errorDesc);
+    }
+
+    static void onGLFWMouseCallBack(GLFWwindow* window, int button, int action, int modify)
+    {
+        _view->onGLFWMouseCallBack(window, button, action, modify);
+    }
+
+    static void onGLFWMouseMoveCallBack(GLFWwindow* window, double x, double y)
+    {
+        _view->onGLFWMouseMoveCallBack(window, x, y);
+    }
+
+    static void onGLFWMouseScrollCallback(GLFWwindow* window, double x, double y)
+    {
+        _view->onGLFWMouseScrollCallback(window, x, y);
+    }
+
+    static void onGLFWKeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods)
+    {
+        _view->onGLFWKeyCallback(window, key, scancode, action, mods);
+    }
+
+    static void onGLFWCharCallback(GLFWwindow* window, unsigned int character)
+    {
+        _view->onGLFWCharCallback(window, character);
+    }
+
+    static void setGLView(GLView* view)
+    {
+        _view = view;
+    }
+
+    static void onGLFWWindowIconifyCallback(GLFWwindow* window, int iconified)
+    {
+        _view->onGLFWWindowIconifyCallback(window, iconified);
+    }
+
+    static void onGLFWWindowSizeFunCallback(GLFWwindow *window, int width, int height)
+    {
+        _view->onGLFWWindowSizeFunCallback(window, width, height);
+    }
+
+private:
+    static GLView* _view;
+};
+
+NS_CC_END   // end of namespace   cocos2d