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ADDED fullscreen support to OpenGL

This commit is contained in:
spacy51 2008-01-20 20:23:36 +00:00
parent 23fe108b5d
commit 9881f8f780
1 changed files with 63 additions and 12 deletions
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73
src/win32/OpenGL.cpp
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@ -27,6 +27,7 @@
//GUI
#include "MainWnd.h"
#include "FullscreenSettings.h"
// Internals
#include "../System.h"
@ -96,6 +97,7 @@ private:
GLFONT font;
int VertexShader,FragmentShader,textureLocation,ShaderProgram,g_location_grayScaleWeights;
char *VertexShaderSource,*FragmentShaderSource;
DWORD currentAdapter;
void initializeMatrices( int w, int h );
bool initializeTexture( int w, int h );
@ -247,6 +249,7 @@ OpenGLDisplay::OpenGLDisplay()
failed = false;
filterData = NULL;
shaderFuncInited = false;
currentAdapter = 0;
}
//OpenHL class destroyer
@ -297,6 +300,13 @@ void OpenGLDisplay::cleanup()
width = 0;
height = 0;
size = 0.0f;
DISPLAY_DEVICE dev;
ZeroMemory( &dev, sizeof(dev) );
dev.cb = sizeof(dev);
EnumDisplayDevices( NULL, currentAdapter, &dev, 0 );
// restore default video mode
ChangeDisplaySettingsEx( dev.DeviceName, NULL, NULL, 0, NULL );
}
//init renderer
@ -308,6 +318,32 @@ bool OpenGLDisplay::initialize()
theApp.mode1024Available = FALSE;
theApp.mode1280Available = FALSE;
currentAdapter = theApp.fsAdapter;
DISPLAY_DEVICE dev;
ZeroMemory( &dev, sizeof(dev) );
dev.cb = sizeof(dev);
EnumDisplayDevices( NULL, currentAdapter, &dev, 0 );
if( theApp.videoOption >= VIDEO_320x240 ) {
// enter full screen mode
DEVMODE mode;
ZeroMemory( &mode, sizeof(mode) );
mode.dmSize = sizeof(mode);
mode.dmBitsPerPel = theApp.fsColorDepth;
mode.dmPelsWidth = theApp.fsWidth;
mode.dmPelsHeight = theApp.fsHeight;
mode.dmDisplayFrequency = theApp.fsFrequency;
mode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
LONG ret = ChangeDisplaySettingsEx( dev.DeviceName, &mode, NULL, CDS_FULLSCREEN, NULL );
if( ret != DISP_CHANGE_SUCCESSFUL ) {
systemMessage( 0, "Can not change display mode!" );
failed = true;
}
} else {
// restore default mode
ChangeDisplaySettingsEx( dev.DeviceName, NULL, NULL, 0, NULL );
}
EnableOpenGL();
initializeFont();
glPushAttrib( GL_ENABLE_BIT );
@ -362,7 +398,7 @@ bool OpenGLDisplay::initialize()
if(failed)
return false;
return TRUE;
return true;
}
//clear colour buffer
@ -658,17 +694,32 @@ void OpenGLDisplay::setOption( const char *option, int value )
//set fullscreen mode
bool OpenGLDisplay::selectFullScreenMode( VIDEO_MODE &mode )
{
// TODO: Add display mode enumeration dialog
HWND wnd = GetDesktopWindow();
RECT r;
GetWindowRect( wnd, &r );
mode.width = (unsigned short)( r.right - r.left );
mode.height = (unsigned short)( r.bottom - r.top );
HDC dc = GetDC( wnd );
mode.bitDepth = GetDeviceCaps( dc, BITSPIXEL );
ReleaseDC( wnd, dc );
FullscreenSettings dlg;
dlg.setAPI( this->getType() );
INT_PTR ret = dlg.DoModal();
if( ret == IDOK ) {
mode.adapter = dlg.m_device;
switch( dlg.m_colorDepth )
{
case 30:
// TODO: support
return false;
break;
case 24:
mode.bitDepth = 32;
break;
case 16:
case 15:
mode.bitDepth = 16;
break;
}
mode.width = dlg.m_width;
mode.height = dlg.m_height;
mode.frequency = dlg.m_refreshRate;
return true;
// return false; when cancel is clicked
} else {
return false;
}
}