/*
 * Copyright (C) 2014 Adrián Arroyo Calle
 * Released under the terms of the MIT license.
 *
 * Authors:
 *   Adrián Arroyo Calle <adrian.arroyocalle@gmail.com>
 *
 */

// Haiku EGL Test
//
// g++ -o HaikuTest HaikuTest.cpp /boot/home/mesa/build/haiku-x86-debug/egl/main/libEGL.so \
//   -lGL -lbe -I/boot/home/mesa/include && EGL_LOG_LEVEL=debug MESA_DEBUG=1 \
//   LIBGL_DRIVERS_PATH=/boot/home/mesa/build/haiku-x86-debug/mesa/drivers/haiku/swrast/ \
//   ./HaikuTest

#include <InterfaceKit.h>
#include <OpenGLKit.h>
#include <EGL/egl.h>
#include <stdio.h>


class EGLApp : public BApplication{
        public:
                EGLApp() : BApplication("application/x-egl-test"){};

                void
                ReadyToRun()
                {
                        EGLContext ctx;
                        EGLSurface surf;
                        EGLConfig* configs;
                        EGLint numConfigs;

                        int maj;
                        int min;
                        
                        printf("Starting EGL test...\n");
                        
                        printf("getDisplay...\n");
                        EGLDisplay d=eglGetDisplay(EGL_DEFAULT_DISPLAY);

                        printf("eglInitialize...\n");
                        eglInitialize(d, &maj, &min);

                        printf("eglGetConfigs...\n");
                        eglGetConfigs(d, configs, numConfigs, &numConfigs);

                        printf("eglBindAPI...\n");
                        eglBindAPI(EGL_OPENGL_API);

                        printf("eglCreateContext...\n");
                        ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);

                        printf("new BWindow...\n");
                        BWindow* win=new BWindow(BRect(100,100,500,500),"EGL App",B_TITLED_WINDOW,0);

                        printf("eglCreateWindowSurface...\n");
                        surf = eglCreateWindowSurface ( d, configs[0],
                                (EGLNativeWindowType)win, NULL );

                        printf("eglMakeCurrent...\n");
                        eglMakeCurrent( d, surf, surf, ctx );

                        printf("glClearColor + glClear + eglSwapBuffers...\n");
                        float green=0.0f;
                        while(1)
                        {
                                //sleep(1);
                                glClearColor(1.0f,green,0.0f,1.0f);
                                glClear ( GL_COLOR_BUFFER_BIT );
                                eglSwapBuffers ( d, surf );
                                green += 0.0001;
                        }
                }
};


int
main()
{
        EGLApp* app=new EGLApp();
        
        app->Run();
        
        return 0;
}