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axmol/cocos2dx/platform/win32/CCXEGLView_win32.cpp

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/****************************************************************************
Copyright (c) 2010 cocos2d-x.org
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.
****************************************************************************/
#include "CCXEGLView.h"
#include "EGL/egl.h"
#include "gles/gl.h"
#include "CCXCocos2dDefine.h"
#include "NSSet.h"
#include "CCDirector.h"
#include "CCTouch.h"
#include "CCTouchDispatcher.h"
namespace cocos2d {
//////////////////////////////////////////////////////////////////////////
// impliment CCXEGL
//////////////////////////////////////////////////////////////////////////
class CCXEGL
{
public:
~CCXEGL()
{
if (EGL_NO_SURFACE != m_eglSurface)
{
eglDestroySurface(m_eglDisplay, m_eglSurface);
}
if (EGL_NO_CONTEXT != m_eglContext)
{
eglDestroyContext(m_eglDisplay, m_eglContext);
}
eglMakeCurrent(m_eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglTerminate(m_eglDisplay);
if (m_eglNativeDisplay)
{
ReleaseDC(m_eglNativeWindow, m_eglNativeDisplay);
}
}
static CCXEGL * create(CCXEGLView * pWindow)
{
CCXEGL * pEGL = new CCXEGL;
BOOL bSuccess = FALSE;
do
{
CCX_BREAK_IF(! pEGL);
pEGL->m_eglNativeWindow = pWindow->getHWnd();
pEGL->m_eglNativeDisplay = GetDC(pEGL->m_eglNativeWindow);
EGLDisplay eglDisplay;
CCX_BREAK_IF(EGL_NO_DISPLAY == (eglDisplay = eglGetDisplay(pEGL->m_eglNativeDisplay)));
EGLint nMajor, nMinor;
CCX_BREAK_IF(EGL_FALSE == eglInitialize(eglDisplay, &nMajor, &nMinor) || 1 != nMajor);
const EGLint aConfigAttribs[] =
{
EGL_LEVEL, 0,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NATIVE_RENDERABLE, EGL_FALSE,
EGL_DEPTH_SIZE, 16,
EGL_NONE,
};
EGLint iConfigs;
EGLConfig eglConfig;
CCX_BREAK_IF(EGL_FALSE == eglChooseConfig(eglDisplay, aConfigAttribs, &eglConfig, 1, &iConfigs)
|| (iConfigs != 1));
EGLContext eglContext;
eglContext = eglCreateContext(eglDisplay, eglConfig, NULL, NULL);
CCX_BREAK_IF(EGL_NO_CONTEXT == eglContext);
EGLSurface eglSurface;
eglSurface = eglCreateWindowSurface(eglDisplay, eglConfig, pEGL->m_eglNativeWindow, NULL);
CCX_BREAK_IF(EGL_NO_SURFACE == eglSurface);
CCX_BREAK_IF(EGL_FALSE == eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext));
pEGL->m_eglDisplay = eglDisplay;
pEGL->m_eglConfig = eglConfig;
pEGL->m_eglContext = eglContext;
pEGL->m_eglSurface = eglSurface;
bSuccess = TRUE;
} while (0);
if (! bSuccess)
{
CCX_SAFE_DELETE(pEGL);
}
return pEGL;
}
void resizeSurface()
{
// if (! m_eglNativeWindow || EGL_NO_DISPLAY == m_eglDisplay)
// {
// return;
// }
//
// // release old surface
// if (EGL_NO_SURFACE != m_eglSurface)
// {
// eglDestroySurface(m_eglDisplay, m_eglSurface);
// m_eglSurface = EGL_NO_SURFACE;
// }
//
// // create new surface and make current
// m_eglSurface = eglCreateWindowSurface(m_eglDisplay, m_eglConfig, m_eglNativeWindow, NULL);
// eglMakeCurrent(m_eglDisplay, m_eglSurface, m_eglSurface, m_eglContext);
}
void swapBuffers()
{
if (EGL_NO_DISPLAY != m_eglDisplay)
{
eglSwapBuffers(m_eglDisplay, m_eglSurface);
}
}
private:
CCXEGL()
: m_eglNativeWindow(NULL)
, m_eglNativeDisplay(EGL_DEFAULT_DISPLAY)
, m_eglDisplay(EGL_NO_DISPLAY)
, m_eglConfig(0)
, m_eglSurface(EGL_NO_SURFACE)
, m_eglContext(EGL_NO_CONTEXT)
{}
EGLNativeWindowType m_eglNativeWindow;
EGLNativeDisplayType m_eglNativeDisplay;
EGLDisplay m_eglDisplay;
EGLConfig m_eglConfig;
EGLSurface m_eglSurface;
EGLContext m_eglContext;
};
//////////////////////////////////////////////////////////////////////////
// impliment CCXEGLView
//////////////////////////////////////////////////////////////////////////
static CCXEGLView * pMainWindow;
static const WCHAR * kWindowClassName = L"Cocos2dxWin32";
static LRESULT CALLBACK _WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
if (pMainWindow && pMainWindow->getHWnd() == hWnd)
{
return pMainWindow->WindowProc(uMsg, wParam, lParam);
}
else
{
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
}
CCXEGLView::CCXEGLView()
: m_bCaptured(false)
, m_bOrientationReverted(false)
, m_pDelegate(NULL)
, m_pEGL(NULL)
, m_hWnd(NULL)
{
m_pTouch = new CCTouch;
m_pSet = new NSSet;
m_eInitOrientation = CCDirector::sharedDirector()->getDeviceOrientation();
m_bOrientationInitVertical = (CCDeviceOrientationPortrait == m_eInitOrientation
|| kCCDeviceOrientationPortraitUpsideDown == m_eInitOrientation) ? true : false;
}
CCXEGLView::~CCXEGLView()
{
release();
CCX_SAFE_DELETE(m_pSet);
CCX_SAFE_DELETE(m_pTouch);
CCX_SAFE_DELETE(m_pDelegate);
CCX_SAFE_DELETE(m_pEGL);
}
bool CCXEGLView::Create(LPCTSTR pTitle, int w, int h)
{
bool bRet = false;
do
{
CCX_BREAK_IF(m_hWnd);
HINSTANCE hInstance = GetModuleHandle( NULL );
WNDCLASS wc; // Windows Class Structure
// Redraw On Size, And Own DC For Window.
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = _WindowProc; // WndProc Handles Messages
wc.cbClsExtra = 0; // No Extra Window Data
wc.cbWndExtra = 0; // No Extra Window Data
wc.hInstance = hInstance; // Set The Instance
wc.hIcon = LoadIcon( NULL, IDI_WINLOGO ); // Load The Default Icon
wc.hCursor = LoadCursor( NULL, IDC_ARROW ); // Load The Arrow Pointer
wc.hbrBackground = NULL; // No Background Required For GL
wc.lpszMenuName = NULL; // We Don't Want A Menu
wc.lpszClassName = kWindowClassName; // Set The Class Name
CCX_BREAK_IF(! RegisterClass(&wc) && 1410 != GetLastError());
// center window position
RECT rcDesktop;
GetWindowRect(GetDesktopWindow(), &rcDesktop);
RECT rect = {(rcDesktop.right + rcDesktop.left - w) / 2, (rcDesktop.bottom + rcDesktop.top - h) / 2, 0, 0};
rect.right = rect.left + w;
rect.bottom = rect.top + h;
AdjustWindowRectEx(&rect, WS_CAPTION | WS_POPUPWINDOW, false, WS_EX_APPWINDOW | WS_EX_WINDOWEDGE);
// create window
m_hWnd = CreateWindowEx(
WS_EX_APPWINDOW | WS_EX_WINDOWEDGE, // Extended Style For The Window
kWindowClassName, // Class Name
pTitle, // Window Title
WS_CAPTION | WS_POPUPWINDOW, // Defined Window Style
rect.left, rect.top, // Window Position
rect.right - rect.left, // Window Width
rect.bottom - rect.top, // Window Height
NULL, // No Parent Window
NULL, // No Menu
hInstance, // Instance
NULL );
CCX_BREAK_IF(! m_hWnd);
// init egl
m_pEGL = CCXEGL::create(this);
if (! m_pEGL)
{
DestroyWindow(m_hWnd);
m_hWnd = NULL;
break;
}
ShowWindow(m_hWnd, SW_SHOW);
pMainWindow = this;
bRet = true;
} while (0);
return bRet;
}
LRESULT CCXEGLView::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
{
PAINTSTRUCT ps;
switch (message)
{
case WM_LBUTTONDOWN:
if (m_pDelegate && m_pTouch && MK_LBUTTON == wParam)
{
m_bCaptured = true;
m_pTouch->SetTouchInfo(0, (float)LOWORD(lParam), (float)HIWORD(lParam));
m_pSet->addObject(m_pTouch);
m_pDelegate->touchesBegan(m_pSet, NULL);
}
break;
case WM_MOUSEMOVE:
if (MK_LBUTTON == wParam && m_bCaptured)
{
m_pTouch->SetTouchInfo(0, (float)LOWORD(lParam), (float)HIWORD(lParam));
m_pDelegate->touchesMoved(m_pSet, NULL);
}
break;
case WM_LBUTTONUP:
if (m_bCaptured)
{
m_pTouch->SetTouchInfo(0, (float)LOWORD(lParam), (float)HIWORD(lParam));
m_pDelegate->touchesEnded(m_pSet, NULL);
m_pSet->removeObject(m_pTouch);
m_bCaptured = false;
}
break;
case WM_PAINT:
BeginPaint(m_hWnd, &ps);
EndPaint(m_hWnd, &ps);
break;
case WM_CLOSE:
CCDirector::sharedDirector()->end();
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(m_hWnd, message, wParam, lParam);
}
return 0;
}
CGSize CCXEGLView::getSize()
{
RECT rc;
GetClientRect(m_hWnd, &rc);
return CGSize((float)(rc.right - rc.left), (float)(rc.bottom - rc.top));
}
CGRect CCXEGLView::getFrame()
{
RECT rc;
GetClientRect(m_hWnd, &rc);
return (CGRect((float)rc.left, (float)rc.top, (float)(rc.right - rc.left), (float)(rc.bottom - rc.top)));
}
bool CCXEGLView::isOpenGLReady()
{
return (NULL != m_pEGL);
}
void CCXEGLView::release()
{
if (m_hWnd)
{
DestroyWindow(m_hWnd);
m_hWnd = NULL;
}
pMainWindow = NULL;
UnregisterClass(kWindowClassName, GetModuleHandle(NULL));
}
void CCXEGLView::setTouchDelegate(EGLTouchDelegate * pDelegate)
{
m_pDelegate = pDelegate;
}
void CCXEGLView::swapBuffers()
{
if (m_pEGL)
{
m_pEGL->swapBuffers();
}
}
HWND CCXEGLView::getHWnd()
{
return m_hWnd;
}
int CCXEGLView::setDeviceOrientation(int eOritation)
{
do
{
bool bVertical = (CCDeviceOrientationPortrait == eOritation
|| kCCDeviceOrientationPortraitUpsideDown == eOritation) ? true : false;
CCX_BREAK_IF(m_bOrientationReverted && bVertical != m_bOrientationInitVertical);
CCX_BREAK_IF(! m_bOrientationReverted && bVertical == m_bOrientationInitVertical);
RECT rc;
GetClientRect(m_hWnd, &rc);
// swap width and height
LONG nTmp = rc.right;
rc.right = rc.bottom;
rc.bottom = nTmp;
// calc new window size
AdjustWindowRectEx(&rc, GetWindowLong(m_hWnd, GWL_STYLE), false, GetWindowLong(m_hWnd, GWL_EXSTYLE));
// change width and height
SetWindowPos(m_hWnd, 0, 0, 0, rc.right - rc.left, rc.bottom - rc.top,
SWP_NOCOPYBITS | SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOZORDER);
if (m_pEGL)
{
m_pEGL->resizeSurface();
}
m_bOrientationReverted = (bVertical == m_bOrientationInitVertical) ? false : true;
} while (0);
return m_eInitOrientation;
}
bool CCXEGLView::canSetContentScaleFactor()
{
// can scale content?
return false;
}
void CCXEGLView::setContentScaleFactor(float contentScaleFactor)
{
// if it supports scaling content, set it
}
} // end of namespace cocos2d
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