axmol/cocos2dx/platform/tizen/CCEGLView.cpp

/****************************************************************************
Copyright (c) 2013 cocos2d-x.org
Copyright (c) 2013 Lee, Jae-Hong

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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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.
****************************************************************************/

#include "CCEGLView.h"
#include "CCApplication.h"
#include "CCGL.h"
#include "CCDirector.h"
#include "CCOspApplication.h"
#include "CCOspForm.h"

NS_CC_BEGIN
using namespace Tizen::App;
using namespace Tizen::Base::Runtime;

CCEGLView::CCEGLView()
    : __eglDisplay(EGL_DEFAULT_DISPLAY)
    , __eglSurface(EGL_NO_SURFACE)
    , __eglConfig(null)
    , __eglContext(EGL_NO_DISPLAY)
    , __pTimer(null)
{

}

CCEGLView::~CCEGLView()
{

}

bool CCEGLView::isOpenGLReady()
{
    return (m_obScreenSize.width != 0 && m_obScreenSize.height != 0);
}

Timer*
CCEGLView::getTimer()
{
    return __pTimer;
}

void
CCEGLView::cleanup()
{
    if (__pTimer != null)
    {
        __pTimer->Cancel();
        delete __pTimer;
        __pTimer = null;
    }

    destroyGL();
}

void CCEGLView::end()
{
    cleanup();

    UiApp* pApp = UiApp::GetInstance();
    AppAssert(pApp);
    pApp->Terminate();
}

void CCEGLView::swapBuffers()
{
    eglSwapBuffers(__eglDisplay, __eglSurface);
}

void CCEGLView::setIMEKeyboardState(bool bOpen)
{
    if (bOpen)
    {
        ((CCOspForm *)CCOspApplication::GetInstance()->getCCOspForm())->ShowKeypad();
    }
    else
    {
        ((CCOspForm *)CCOspApplication::GetInstance()->getCCOspForm())->CloseKeypad();
    }
}

CCEGLView* CCEGLView::sharedOpenGLView()
{
    static CCEGLView* s_pEglView = NULL;
    if (s_pEglView == NULL)
    {
        s_pEglView = new CCEGLView();
        if(!s_pEglView->create())
        {
            delete s_pEglView;
            s_pEglView = NULL;
        }
    }

    return s_pEglView;
}

void
CCEGLView::OnTimerExpired(Timer& timer)
{
    if (__pTimer == null)
    {
        return;
    }
    __pTimer->Start(CCApplication::sharedApplication()->getAnimationInterval());

    CCDirector::sharedDirector()->mainLoop();
}

bool
CCEGLView::create()
{
    result r = E_SUCCESS;

    TryCatch(initEGL(), , "[CCEGLView] CCEGLView::create() failed.");

    __pTimer = new (std::nothrow) Timer;
    TryCatch(__pTimer != null, , "[CCEGLView] Failed to allocate memory.");

    r = __pTimer->Construct(*this);
    TryCatch(!IsFailed(r), , "[CCEGLView] __pTimer->Construct(*this) failed.");

    return true;

CATCH:
    return false;
}

bool
CCEGLView::initEGL()
{
    EGLint numConfigs = 1;

    EGLint eglConfigList[] =
    {
        EGL_RED_SIZE,        5,
        EGL_GREEN_SIZE,      6,
        EGL_BLUE_SIZE,       5,
        EGL_ALPHA_SIZE,      0,
        EGL_DEPTH_SIZE,      8,
        EGL_SURFACE_TYPE,    EGL_WINDOW_BIT,
        EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
        EGL_NONE
    };

    EGLint eglContextList[] =
    {
        EGL_CONTEXT_CLIENT_VERSION, 2,
        EGL_NONE
    };

    eglBindAPI(EGL_OPENGL_ES_API);

    if (__eglDisplay)
    {
        destroyGL();
    }

    __eglDisplay = eglGetDisplay((EGLNativeDisplayType)EGL_DEFAULT_DISPLAY);
    TryCatch(__eglDisplay != EGL_NO_DISPLAY, , "[CCEGLView] eglGetDisplay() failed.");

    TryCatch(!(eglInitialize(__eglDisplay, null, null) == EGL_FALSE || eglGetError() != EGL_SUCCESS), , "[CCEGLView] eglInitialize() failed.");

    TryCatch(!(eglChooseConfig(__eglDisplay, eglConfigList, &__eglConfig, 1, &numConfigs) == EGL_FALSE ||
        eglGetError() != EGL_SUCCESS), , "[CCEGLView] eglChooseConfig() failed.");

    TryCatch(numConfigs, , "[CCEGLView] eglChooseConfig() failed. because of matching config doesn't exist");

    __eglSurface = eglCreateWindowSurface(__eglDisplay, __eglConfig, (EGLNativeWindowType)CCOspApplication::GetInstance()->getCCOspForm(), null);
    TryCatch(!(__eglSurface == EGL_NO_SURFACE || eglGetError() != EGL_SUCCESS), , "[CCEGLView] eglCreateWindowSurface() failed.");

    __eglContext = eglCreateContext(__eglDisplay, __eglConfig, EGL_NO_CONTEXT, eglContextList);
    TryCatch(!(__eglContext == EGL_NO_CONTEXT || eglGetError() != EGL_SUCCESS), , "[CCEGLView] eglCreateContext() failed.");

    TryCatch(!(eglMakeCurrent(__eglDisplay, __eglSurface, __eglSurface, __eglContext) == EGL_FALSE ||
        eglGetError() != EGL_SUCCESS), , "[CCEGLView] eglMakeCurrent() failed.");

    return true;

CATCH:
    {
        AppLog("[CCEGLView] CCEGLView can run on systems which supports OpenGL ES(R) 2.0.");
        AppLog("[CCEGLView] When CCEGLView does not correctly execute, there are a few reasons.");
        AppLog("[CCEGLView]    1. The current device(real-target or emulator) does not support OpenGL ES(R) 2.0.\n"
               " Check the Release Notes.");
        AppLog("[CCEGLView]    2. The system running on emulator cannot support OpenGL(R) 2.1 or later.\n"
               " Try with other system.");
        AppLog("[CCEGLView]    3. The system running on emulator does not maintain the latest graphics driver.\n"
               " Update the graphics driver.");
    }

    destroyGL();

    return false;
}

void
CCEGLView::destroyGL(void)
{
    if (__eglDisplay)
    {
        eglMakeCurrent(__eglDisplay, null, null, null);

        if (__eglContext)
        {
            eglDestroyContext(__eglDisplay, __eglContext);
            __eglContext = EGL_NO_CONTEXT;
        }

        if (__eglSurface)
        {
            eglDestroySurface(__eglDisplay, __eglSurface);
            __eglSurface = EGL_NO_SURFACE;
        }

        eglTerminate(__eglDisplay);
        __eglDisplay = EGL_NO_DISPLAY;
    }

    return;
}

NS_CC_END