bool OpenGLDisplay::initialize()
{
switch( theApp.cartridgeType )
{
case IMAGE_GBA:
theApp.sizeX = 240;
theApp.sizeY = 160;
break;
case IMAGE_GB:
if ( gbBorderOn )
{
theApp.sizeX = 256;
theApp.sizeY = 224;
}
else
{
theApp.sizeX = 160;
theApp.sizeY = 144;
}
break;
}
switch(theApp.videoOption)
{
case VIDEO_1X:
theApp.surfaceSizeX = theApp.sizeX;
theApp.surfaceSizeY = theApp.sizeY;
break;
case VIDEO_2X:
theApp.surfaceSizeX = theApp.sizeX * 2;
theApp.surfaceSizeY = theApp.sizeY * 2;
break;
case VIDEO_3X:
theApp.surfaceSizeX = theApp.sizeX * 3;
theApp.surfaceSizeY = theApp.sizeY * 3;
break;
case VIDEO_4X:
theApp.surfaceSizeX = theApp.sizeX * 4;
theApp.surfaceSizeY = theApp.sizeY * 4;
break;
case VIDEO_320x240:
case VIDEO_640x480:
case VIDEO_800x600:
case VIDEO_OTHER:
{
if( theApp.fullScreenStretch ) {
theApp.surfaceSizeX = theApp.fsWidth;
theApp.surfaceSizeY = theApp.fsHeight;
} else {
float scaleX = (float)theApp.fsWidth / (float)theApp.sizeX;
float scaleY = (float)theApp.fsHeight / (float)theApp.sizeY;
float min = ( scaleX < scaleY ) ? scaleX : scaleY;
if( theApp.fsMaxScale )
min = ( min > (float)theApp.fsMaxScale ) ? (float)theApp.fsMaxScale : min;
theApp.surfaceSizeX = (int)((float)theApp.sizeX * min);
theApp.surfaceSizeY = (int)((float)theApp.sizeY * min);
}
}
break;
}
theApp.rect.left = 0;
theApp.rect.top = 0;
theApp.rect.right = theApp.sizeX;
theApp.rect.bottom = theApp.sizeY;
theApp.dest.left = 0;
theApp.dest.top = 0;
theApp.dest.right = theApp.surfaceSizeX;
theApp.dest.bottom = theApp.surfaceSizeY;
DWORD style = WS_POPUP | WS_VISIBLE;
DWORD styleEx = 0;
if( theApp.videoOption <= VIDEO_4X )
style |= WS_OVERLAPPEDWINDOW;
else
styleEx = 0;
if( theApp.videoOption <= VIDEO_4X )
AdjustWindowRectEx( &theApp.dest, style, TRUE, styleEx );
else
AdjustWindowRectEx( &theApp.dest, style, FALSE, styleEx );
int winSizeX = theApp.dest.right - theApp.dest.left;
int winSizeY = theApp.dest.bottom - theApp.dest.top;
int x = 0, y = 0;
if( theApp.videoOption <= VIDEO_4X ) {
x = theApp.windowPositionX;
y = theApp.windowPositionY;
} else {
winSizeX = theApp.fsWidth;
winSizeY = theApp.fsHeight;
}
// Create a window
MainWnd *pWnd = new MainWnd;
theApp.m_pMainWnd = pWnd;
pWnd->CreateEx(
styleEx,
theApp.wndClass,
"VisualBoyAdvance",
style,
x,y,winSizeX,winSizeY,
NULL,
0 );
if (!(HWND)*pWnd) {
winlog("Error creating Window %08x\n", GetLastError());
return FALSE;
}
theApp.updateMenuBar();
theApp.adjustDestRect();
theApp.mode320Available = FALSE;
theApp.mode640Available = FALSE;
theApp.mode800Available = FALSE;
CDC *dc = pWnd->GetDC();
HDC hDC = dc->GetSafeHdc();
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1, // version number
PFD_DRAW_TO_WINDOW | // support window
PFD_SUPPORT_OPENGL | // support OpenGL
PFD_DOUBLEBUFFER, // double buffered
PFD_TYPE_RGBA, // RGBA type
24, // 24-bit color depth
0, 0, 0, 0, 0, 0, // color bits ignored
0, // no alpha buffer
0, // shift bit ignored
0, // no accumulation buffer
0, 0, 0, 0, // accum bits ignored
32, // 32-bit z-buffer
0, // no stencil buffer
0, // no auxiliary buffer
PFD_MAIN_PLANE, // main layer
0, // reserved
0, 0, 0 // layer masks ignored
};
int iPixelFormat;
if( !(iPixelFormat = ChoosePixelFormat( hDC, &pfd )) ) {
winlog( "Failed ChoosePixelFormat\n" );
return false;
}
// obtain detailed information about
// the device context's first pixel format
if( !( DescribePixelFormat(
hDC,
iPixelFormat,
sizeof(PIXELFORMATDESCRIPTOR),
&pfd ) ) )
{
winlog( "Failed DescribePixelFormat\n" );
return false;
}
if( !SetPixelFormat( hDC, iPixelFormat, &pfd ) ) {
winlog( "Failed SetPixelFormat\n" );
return false;
}
if( !( hglrc = wglCreateContext( hDC ) ) ) {
winlog( "Failed wglCreateContext\n" );
return false;
}
if( !wglMakeCurrent(hDC, hglrc) ) {
winlog( "Failed wglMakeCurrent\n" );
return false;
}
pWnd->ReleaseDC( dc );
// setup 2D gl environment
glPushAttrib( GL_ENABLE_BIT );
glDisable( GL_DEPTH_TEST );
glDisable( GL_CULL_FACE );
glEnable( GL_TEXTURE_2D );
initializeMatrices( theApp.surfaceSizeX, theApp.surfaceSizeY );
setVSync( theApp.vsync );
#ifdef MMX
if(!theApp.disableMMX)
cpu_mmx = theApp.detectMMX();
else
cpu_mmx = 0;
#endif
systemRedShift = 3;
systemGreenShift = 11;
systemBlueShift = 19;
systemColorDepth = 32;
theApp.fsColorDepth = 32;
Init_2xSaI(32);
utilUpdateSystemColorMaps();
theApp.updateFilter();
theApp.updateIFB();
if(failed)
return false;
pWnd->DragAcceptFiles(TRUE);
return TRUE;
}
bool VBA::preInitialize()
{
switch( cartridgeType )
{
case IMAGE_GBA:
sizeX = 240;
sizeY = 160;
break;
}
switch( videoOption )
{
case VIDEO_1X:
surfaceSizeX = sizeX;
surfaceSizeY = sizeY;
break;
case VIDEO_2X:
surfaceSizeX = sizeX * 2;
surfaceSizeY = sizeY * 2;
break;
case VIDEO_3X:
surfaceSizeX = sizeX * 3;
surfaceSizeY = sizeY * 3;
break;
case VIDEO_4X:
surfaceSizeX = sizeX * 4;
surfaceSizeY = sizeY * 4;
break;
case VIDEO_320x240:
case VIDEO_640x480:
case VIDEO_800x600:
case VIDEO_1024x768:
case VIDEO_1280x1024:
case VIDEO_OTHER:
float scaleX = (float)fsWidth / sizeX;
float scaleY = (float)fsHeight / sizeY;
float min = ( scaleX < scaleY ) ? scaleX : scaleY;
if( fullScreenStretch ) {
surfaceSizeX = fsWidth;
surfaceSizeY = fsHeight;
} else {
surfaceSizeX = (int)( sizeX * min );
surfaceSizeY = (int)( sizeY * min );
}
break;
}
rect.left = 0;
rect.top = 0;
rect.right = sizeX;
rect.bottom = sizeY;
dest.left = 0;
dest.top = 0;
dest.right = surfaceSizeX;
dest.bottom = surfaceSizeY;
DWORD style = WS_POPUP | WS_VISIBLE;
DWORD styleEx = 0;
if( videoOption <= VIDEO_4X ) {
style |= WS_OVERLAPPEDWINDOW;
} else {
styleEx = 0;
}
if( videoOption <= VIDEO_4X ) {
AdjustWindowRectEx( &dest, style, TRUE, styleEx );
} else {
AdjustWindowRectEx( &dest, style, FALSE, styleEx );
}
int winSizeX = dest.right-dest.left;
int winSizeY = dest.bottom-dest.top;
if( videoOption > VIDEO_4X ) {
winSizeX = fsWidth;
winSizeY = fsHeight;
}
int x = 0, y = 0;
if( videoOption <= VIDEO_4X ) {
x = windowPositionX;
y = windowPositionY;
}
// Create a window
MainWnd *pWnd = new MainWnd;
m_pMainWnd = pWnd;
pWnd->CreateEx(
styleEx,
wndClass,
_T(VBA_NAME_AND_SUBVERSION),
style,
x, y,
winSizeX, winSizeY,
NULL,
0
);
if( !((HWND)*pWnd) ) {
// error creating window
return false;
}
pWnd->DragAcceptFiles( TRUE );
updateMenuBar();
adjustDestRect();
return true;
}
