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engine/platformWin32/winOGLVideo.cc
loop ff569bd2ae t2 engine svn checkout
2024-01-07 04:36:33 +00:00

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//-----------------------------------------------------------------------------
// V12 Engine
//
// Copyright (c) 2001 GarageGames.Com
// Portions Copyright (c) 2001 by Sierra Online, Inc.
//-----------------------------------------------------------------------------
#include "platformWIN32/platformGL.h"
#include "platformWIN32/platformWin32.h"
#include "platform/platformAudio.h"
#include "platformWIN32/winOGLVideo.h"
#include "platformWIN32/winD3DVideo.h"
#include "console/console.h"
#include "math/mPoint.h"
#include "platform/event.h"
#include "platform/gameInterface.h"
#include "console/consoleInternal.h"
#include "console/ast.h"
#include "core/fileStream.h"
//------------------------------------------------------------------------------
bool OpenGLDevice::smCanSwitchBitDepth = true;
struct CardProfile
{
const char *vendor; // manufacturer
const char *renderer; // driver name
bool safeMode; // destroy rendering context for resolution change
bool lockArray; // allow compiled vertex arrays
bool subImage; // allow glTexSubImage*
bool fogTexture; // require bound texture for combine extension
bool noEnvColor; // no texture environment color
bool clipHigh; // clip high resolutions
bool deleteContext; // delete rendering context
bool texCompress; // allow texture compression
bool interiorLock; // lock arrays for Interior render
bool skipFirstFog; // skip first two-pass fogging (dumb 3Dfx hack)
bool only16; // inhibit 32-bit resolutions
bool noArraysAlpha; // don't use glDrawArrays with a GL_ALPHA texture
const char *proFile; // explicit profile of graphic settings
};
struct OSCardProfile
{
const char *vendor; // manufacturer
const char *renderer; // driver name
bool allowOpenGL; // allow OpenGL driver
bool allowD3D; // allow D3D driver
bool preferOpenGL; // prefer OpenGL driver
};
static Vector<CardProfile> sCardProfiles(__FILE__, __LINE__);
static Vector<OSCardProfile> sOSCardProfiles(__FILE__, __LINE__);
struct ProcessorProfile
{
U16 clock; // clock range max
U16 adjust; // CPU adjust
};
static U8 sNumProcessors = 4;
static ProcessorProfile sProcessorProfiles[] =
{
{ 400, 0 },
{ 600, 5 },
{ 800, 10 },
{ 1000, 15 },
};
struct SettingProfile
{
U16 performance; // metric range max
const char *settings; // default file
};
static U8 sNumSettings = 3;
static SettingProfile sSettingProfiles[] =
{
{ 33, "LowProfile.cs" },
{ 66, "MediumProfile.cs" },
{ 100, "HighProfile.cs" },
};
//------------------------------------------------------------------------------
static void cAddCardProfile(SimObject *, S32, const char **argv)
{
CardProfile profile;
profile.vendor = dStrdup(argv[1]);
profile.renderer = dStrdup(argv[2]);
profile.safeMode = dAtob(argv[3]);
profile.lockArray = dAtob(argv[4]);
profile.subImage = dAtob(argv[5]);
profile.fogTexture = dAtob(argv[6]);
profile.noEnvColor = dAtob(argv[7]);
profile.clipHigh = dAtob(argv[8]);
profile.deleteContext = dAtob(argv[9]);
profile.texCompress = dAtob(argv[10]);
profile.interiorLock = dAtob(argv[11]);
profile.skipFirstFog = dAtob(argv[12]);
profile.only16 = dAtob(argv[13]);
profile.noArraysAlpha = dAtob(argv[14]);
if (strcmp(argv[15],""))
profile.proFile = dStrdup(argv[15]);
else
profile.proFile = NULL;
sCardProfiles.push_back(profile);
}
static void cAddOSCardProfile(SimObject *, S32, const char **argv)
{
OSCardProfile profile;
profile.vendor = dStrdup(argv[1]);
profile.renderer = dStrdup(argv[2]);
profile.allowOpenGL = dAtob(argv[3]);
profile.allowD3D = dAtob(argv[4]);
profile.preferOpenGL = dAtob(argv[5]);
sOSCardProfiles.push_back(profile);
}
static void clearCardProfiles()
{
while (sCardProfiles.size())
{
dFree((char *) sCardProfiles.last().vendor);
dFree((char *) sCardProfiles.last().renderer);
dFree((char *) sCardProfiles.last().proFile);
sCardProfiles.decrement();
}
}
static void clearOSCardProfiles()
{
while (sOSCardProfiles.size())
{
dFree((char *) sOSCardProfiles.last().vendor);
dFree((char *) sOSCardProfiles.last().renderer);
sOSCardProfiles.decrement();
}
}
static void execScript(const char *scriptFile)
{
// execute the script
FileStream str;
if (!str.open(scriptFile, FileStream::Read))
return;
U32 size = str.getStreamSize();
char *script = new char[size + 1];
str.read(size, script);
str.close();
script[size] = 0;
Con::executef(2, "eval", script);
delete[] script;
}
static void profileSystem(const char *vendor, const char *renderer)
{
Con::addCommand("addCardProfile", cAddCardProfile, "addCardProfile(vendor,renderer,safeMode,lockArray,subImage,fogTexture,noEnvColor,clipHigh,deleteContext,texCompress,interiorLock,skipFirstFog,only16,noArraysAlpha,proFile);", 16, 16);
Con::addCommand("addOSCardProfile", cAddOSCardProfile, "addOSCardProfile(vendor,renderer,allowOpenGL,allowD3D,preferOpenGL);", 6, 6);
//Con::executef(2, "exec", "scripts/CardProfiles.cs");
execScript("CardProfiles.cs");
const char *arch;
OSVERSIONINFO OSVersionInfo;
const char *os = NULL;
char osProfiles[64];
if (dStrstr(Platform::SystemInfo.processor.name,"AMD") != NULL)
arch = "AMD";
else
arch = "Intel";
dMemset( &OSVersionInfo, 0, sizeof( OSVERSIONINFO ) );
OSVersionInfo.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
if ( GetVersionEx( &OSVersionInfo ) )
{
if (OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
if ( OSVersionInfo.dwMinorVersion == 0 )
{
if (dStrcmp(arch,"Intel") == 0)
os = "W95";
}
else if ( OSVersionInfo.dwMinorVersion == 10 )
if ( OSVersionInfo.szCSDVersion[1] != 'A' )
os = "W98";
else
os = "W98SE";
else
os = "WME";
else
if ( OSVersionInfo.dwMajorVersion >= 5 )
os = "W2K";
if ( os != NULL )
{
dSprintf(osProfiles,64,"%s%sCardProfiles.cs",arch,os);
//Con::executef(2, "exec", osProfiles);
execScript(osProfiles);
}
}
const char *proFile = NULL;
U32 i;
for (i = 0; i < sCardProfiles.size(); ++i)
if (dStrstr(vendor, sCardProfiles[i].vendor) &&
(!dStrcmp(sCardProfiles[i].renderer, "*") ||
dStrstr(renderer, sCardProfiles[i].renderer)))
{
Con::setBoolVariable("$pref::Video::safeModeOn", sCardProfiles[i].safeMode);
Con::setBoolVariable("$pref::OpenGL::disableEXTCompiledVertexArray", !sCardProfiles[i].lockArray);
Con::setBoolVariable("$pref::OpenGL::disableSubImage", !sCardProfiles[i].subImage);
Con::setBoolVariable("$pref::TS::fogTexture", sCardProfiles[i].fogTexture);
Con::setBoolVariable("$pref::OpenGL::noEnvColor", sCardProfiles[i].noEnvColor);
Con::setBoolVariable("$pref::Video::clipHigh", sCardProfiles[i].clipHigh);
if (!sCardProfiles[i].deleteContext)
{
OSVERSIONINFO OSVersionInfo;
// HACK: The Voodoo3/5 on W2K crash when deleting a rendering context
// So we're not deleting it.
// Oh, and the Voodoo3 returns a Banshee renderer string under W2K
dMemset( &OSVersionInfo, 0, sizeof( OSVERSIONINFO ) );
OSVersionInfo.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
if ( GetVersionEx( &OSVersionInfo ) &&
OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT &&
OSVersionInfo.dwMajorVersion == 5)
Con::setBoolVariable("$pref::Video::deleteContext", false);
else
Con::setBoolVariable("$pref::Video::deleteContext", true);
}
else
Con::setBoolVariable("$pref::Video::deleteContext", true);
Con::setBoolVariable("$pref::OpenGL::disableARBTextureCompression", !sCardProfiles[i].texCompress);
Con::setBoolVariable("$pref::Interior::lockArrays", sCardProfiles[i].interiorLock);
Con::setBoolVariable("$pref::TS::skipFirstFog", sCardProfiles[i].skipFirstFog);
Con::setBoolVariable("$pref::Video::only16", sCardProfiles[i].only16);
Con::setBoolVariable("$pref::OpenGL::noDrawArraysAlpha", sCardProfiles[i].noArraysAlpha);
proFile = sCardProfiles[i].proFile;
break;
}
// defaults
U16 glProfile;
if (!proFile)
{
// no driver GL profile -- make one via weighting GL extensions
glProfile = 25;
glProfile += gGLState.suppARBMultitexture * 25;
glProfile += gGLState.suppLockedArrays * 15;
glProfile += gGLState.suppVertexArrayRange * 10;
glProfile += gGLState.suppTextureEnvCombine * 5;
glProfile += gGLState.suppPackedPixels * 5;
glProfile += gGLState.suppTextureCompression * 5;
glProfile += gGLState.suppS3TC * 5;
glProfile += gGLState.suppFXT1 * 5;
Con::setBoolVariable("$pref::Video::safeModeOn", true);
Con::setBoolVariable("$pref::OpenGL::disableEXTCompiledVertexArray", false);
Con::setBoolVariable("$pref::OpenGL::disableSubImage", false);
Con::setBoolVariable("$pref::TS::fogTexture", false);
Con::setBoolVariable("$pref::OpenGL::noEnvColor", false);
Con::setBoolVariable("$pref::Video::clipHigh", false);
Con::setBoolVariable("$pref::Video::deleteContext", true);
Con::setBoolVariable("$pref::OpenGL::disableARBTextureCompression", false);
Con::setBoolVariable("$pref::Interior::lockArrays", true);
Con::setBoolVariable("$pref::TS::skipFirstFog", false);
Con::setBoolVariable("$pref::Video::only16", false);
Con::setBoolVariable("$pref::OpenGL::noDrawArraysAlpha", false);
}
Con::setVariable("$pref::Video::profiledVendor", vendor);
Con::setVariable("$pref::Video::profiledRenderer", renderer);
if (!Con::getBoolVariable("$DisableSystemProfiling") &&
( dStrcmp(vendor, Con::getVariable("$pref::Video::defaultsVendor")) ||
dStrcmp(renderer, Con::getVariable("$pref::Video::defaultsRenderer")) ))
{
if (proFile)
{
char settings[64];
dSprintf(settings,64,"%s.cs",proFile);
//Con::executef(2, "exec", settings);
execScript(settings);
}
else
{
U16 adjust;
// match clock with profile
for (i = 0; i < sNumProcessors; ++i)
{
adjust = sProcessorProfiles[i].adjust;
if (Platform::SystemInfo.processor.mhz < sProcessorProfiles[i].clock) break;
}
const char *settings;
// match performance metric with profile
for (i = 0; i < sNumSettings; ++i)
{
settings = sSettingProfiles[i].settings;
if (glProfile+adjust <= sSettingProfiles[i].performance) break;
}
//Con::executef(2, "exec", settings);
execScript(settings);
}
bool match = false;
for (i = 0; i < sOSCardProfiles.size(); ++i)
if (dStrstr(vendor, sOSCardProfiles[i].vendor) &&
(!dStrcmp(sOSCardProfiles[i].renderer, "*") ||
dStrstr(renderer, sOSCardProfiles[i].renderer)))
{
Con::setBoolVariable("$pref::Video::allowOpenGL", sOSCardProfiles[i].allowOpenGL);
Con::setBoolVariable("$pref::Video::allowD3D", sOSCardProfiles[i].allowD3D);
Con::setBoolVariable("$pref::Video::preferOpenGL", sOSCardProfiles[i].preferOpenGL);
match = true;
break;
}
if (!match)
{
Con::setBoolVariable("$pref::Video::allowOpenGL", true);
Con::setBoolVariable("$pref::Video::allowD3D", true);
Con::setBoolVariable("$pref::Video::preferOpenGL", true);
}
Con::setVariable("$pref::Video::defaultsVendor", vendor);
Con::setVariable("$pref::Video::defaultsRenderer", renderer);
}
// write out prefs
gEvalState.globalVars.exportVariables("$pref::*", "prefs/ClientPrefs.cs", false);
clearCardProfiles();
clearOSCardProfiles();
}
//------------------------------------------------------------------------------
OpenGLDevice::OpenGLDevice()
{
initDevice();
}
//------------------------------------------------------------------------------
void OpenGLDevice::initDevice()
{
// Set the device name:
mDeviceName = "OpenGL";
// Set some initial conditions:
mResolutionList.clear();
// Enumerate all available resolutions:
DEVMODE devMode;
U32 modeNum = 0;
U32 stillGoing = true;
while ( stillGoing )
{
dMemset( &devMode, 0, sizeof( devMode ) );
devMode.dmSize = sizeof( devMode );
stillGoing = EnumDisplaySettings( NULL, modeNum++, &devMode );
if ( devMode.dmPelsWidth >= 640 && devMode.dmPelsHeight >= 480
&& ( devMode.dmBitsPerPel == 16 || devMode.dmBitsPerPel == 32 ) &&
( smCanSwitchBitDepth || devMode.dmBitsPerPel == winState.desktopBitsPixel ) )
{
// Only add this resolution if it is not already in the list:
bool alreadyInList = false;
for ( U32 i = 0; i < mResolutionList.size(); i++ )
{
if ( devMode.dmPelsWidth == mResolutionList[i].w
&& devMode.dmPelsHeight == mResolutionList[i].h
&& devMode.dmBitsPerPel == mResolutionList[i].bpp )
{
alreadyInList = true;
break;
}
}
if ( !alreadyInList )
{
Resolution newRes( devMode.dmPelsWidth, devMode.dmPelsHeight, devMode.dmBitsPerPel );
mResolutionList.push_back( newRes );
}
}
}
}
//------------------------------------------------------------------------------
bool OpenGLDevice::activate( U32 width, U32 height, U32 bpp, bool fullScreen )
{
Con::printf( "Activating the OpenGL display device..." );
bool needResurrect = false;
// If the rendering context exists, delete it:
if ( winState.hGLRC )
{
Con::printf( "Killing the texture manager..." );
Game->textureKill();
needResurrect = true;
Con::printf( "Making the rendering context not current..." );
if ( !qwglMakeCurrent( NULL, NULL ) )
{
AssertFatal( false, "OpenGLDevice::activate\nqwglMakeCurrent( NULL, NULL ) failed!" );
return false;
}
Con::printf( "Deleting the rendering context ..." );
if ( !qwglDeleteContext( winState.hGLRC ) )
{
AssertFatal( false, "OpenGLDevice::activate\nqwglDeleteContext failed!" );
return false;
}
winState.hGLRC = NULL;
}
// If the window already exists, kill it so we can start fresh:
if ( winState.appWindow )
{
if ( winState.appDC )
{
Con::printf( "Releasing the device context..." );
ReleaseDC( winState.appWindow, winState.appDC );
winState.appDC = NULL;
}
Con::printf( "Destroying the window..." );
DestroyWindow( winState.appWindow );
winState.appWindow = NULL;
}
// If OpenGL library already loaded, shut it down and reload it:
if ( winState.hinstOpenGL )
QGL_Shutdown();
QGL_Init( "opengl32", "glu32" );
static bool onceAlready = false;
bool profiled = false;
if ( !mFullScreenOnly && fullScreen && !onceAlready )
{
OSVERSIONINFO OSVersionInfo;
// HACK: The Voodoo5 on W2K will only work if the initial rendering
// context is windowed. Can you believe this crap?
dMemset( &OSVersionInfo, 0, sizeof( OSVERSIONINFO ) );
OSVersionInfo.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
if ( GetVersionEx( &OSVersionInfo ) &&
OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT &&
OSVersionInfo.dwMajorVersion == 5 )
if ( !setScreenMode( 640, 480, bpp, false, true, false ) )
return false;
else
{
const char* vendorString = (const char*) glGetString( GL_VENDOR );
const char* rendererString = (const char*) glGetString( GL_RENDERER );
// only do this for the first session
if (!Con::getBoolVariable("$DisableSystemProfiling") &&
( dStrcmp(vendorString, Con::getVariable("$pref::Video::profiledVendor")) ||
dStrcmp(rendererString, Con::getVariable("$pref::Video::profiledRenderer")) ))
{
profileSystem(vendorString, rendererString);
profiled = true;
}
}
onceAlready = true;
}
// Set the resolution:
if ( !setScreenMode( width, height, bpp, ( fullScreen || mFullScreenOnly ), true, false ) )
return false;
// Get original gamma ramp
mRestoreGamma = GetDeviceGammaRamp(winState.appDC, mOriginalRamp);
// Output some driver info to the console:
const char* vendorString = (const char*) glGetString( GL_VENDOR );
const char* rendererString = (const char*) glGetString( GL_RENDERER );
const char* versionString = (const char*) glGetString( GL_VERSION );
Con::printf( "OpenGL driver information:" );
if ( vendorString )
Con::printf( " Vendor: %s", vendorString );
if ( rendererString )
Con::printf( " Renderer: %s", rendererString );
if ( versionString )
Con::printf( " Version: %s", versionString );
if ( needResurrect )
{
// Reload the textures:
Con::printf( "Resurrecting the texture manager..." );
Game->textureResurrect();
}
QGL_EXT_Init();
Con::setVariable( "$pref::Video::displayDevice", mDeviceName );
// only do this for the first session
if (!profiled &&
!Con::getBoolVariable("$DisableSystemProfiling") &&
( dStrcmp(vendorString, Con::getVariable("$pref::Video::profiledVendor")) ||
dStrcmp(rendererString, Con::getVariable("$pref::Video::profiledRenderer")) ))
{
profileSystem(vendorString, rendererString);
profiled = true;
}
if (profiled)
{
U32 width, height, bpp;
if (Con::getBoolVariable("$pref::Video::clipHigh", false))
for (S32 i = mResolutionList.size()-1; i >= 0; --i)
if (mResolutionList[i].w > 1152 || mResolutionList[i].h > 864)
mResolutionList.erase(i);
if (Con::getBoolVariable("$pref::Video::only16", false))
for (S32 i = mResolutionList.size()-1; i >= 0; --i)
if (mResolutionList[i].bpp == 32)
mResolutionList.erase(i);
dSscanf(Con::getVariable("$pref::Video::resolution"), "%d %d %d", &width, &height, &bpp);
setScreenMode(width, height, bpp,
Con::getBoolVariable("$pref::Video::fullScreen", true), false, false);
}
// Do this here because we now know about the extensions:
if ( gGLState.suppSwapInterval )
setVerticalSync( !Con::getBoolVariable( "$pref::Video::disableVerticalSync" ) );
Con::setBoolVariable("$pref::OpenGL::allowTexGen", true);
return true;
}
//------------------------------------------------------------------------------
void OpenGLDevice::shutdown()
{
Con::printf( "Shutting down the OpenGL display device..." );
if ( winState.hGLRC )
{
if (mRestoreGamma)
SetDeviceGammaRamp(winState.appDC, mOriginalRamp);
Con::printf( "Making the GL rendering context not current..." );
qwglMakeCurrent( NULL, NULL );
if ( Con::getBoolVariable("$pref::Video::deleteContext", true) )
{
Con::printf( "Deleting the GL rendering context..." );
qwglDeleteContext( winState.hGLRC );
}
winState.hGLRC = NULL;
}
if ( winState.appDC )
{
Con::printf( "Releasing the device context..." );
ReleaseDC( winState.appWindow, winState.appDC );
winState.appDC = NULL;
}
if ( smIsFullScreen )
{
Con::printf( "Restoring the desktop display settings (%dx%dx%d)...", winState.desktopWidth, winState.desktopHeight, winState.desktopBitsPixel );
ChangeDisplaySettings( NULL, 0 );
}
}
//------------------------------------------------------------------------------
// This is the real workhorse function of the DisplayDevice...
//
bool OpenGLDevice::setScreenMode( U32 width, U32 height, U32 bpp, bool fullScreen, bool forceIt, bool repaint )
{
HWND curtain = NULL;
char errorMessage[256];
Resolution newRes( width, height, bpp );
bool newFullScreen = fullScreen;
bool safeModeOn = Con::getBoolVariable( "$pref::Video::safeModeOn" );
if ( !newFullScreen && mFullScreenOnly )
{
Con::warnf( ConsoleLogEntry::General, "OpenGLDevice::setScreenMode - device or desktop color depth does not allow windowed mode!" );
newFullScreen = true;
}
if ( !newFullScreen && ( newRes.w >= winState.desktopWidth || newRes.h >= winState.desktopHeight ) )
{
Con::warnf( ConsoleLogEntry::General, "OpenGLDevice::setScreenMode -- can't switch to resolution larger than desktop in windowed mode!" );
// Find the largest standard resolution that will fit on the desktop:
U32 resIndex;
for ( resIndex = mResolutionList.size() - 1; resIndex > 0; resIndex-- )
{
if ( mResolutionList[resIndex].w < winState.desktopWidth
&& mResolutionList[resIndex].h < winState.desktopHeight )
break;
}
newRes = mResolutionList[resIndex];
}
if ( newRes.w < 640 || newRes.h < 480 )
{
Con::warnf( ConsoleLogEntry::General, "OpenGLDevice::setScreenMode -- can't go smaller than 640x480!" );
return false;
}
if ( newFullScreen )
{
if (newRes.bpp != 16 && mFullScreenOnly)
newRes.bpp = 16;
// Match the new resolution to one in the list:
U32 resIndex = 0;
U32 bestScore = 0, thisScore = 0;
for ( int i = 0; i < mResolutionList.size(); i++ )
{
if ( newRes == mResolutionList[i] )
{
resIndex = i;
break;
}
else
{
thisScore = abs( S32( newRes.w ) - S32( mResolutionList[i].w ) )
+ abs( S32( newRes.h ) - S32( mResolutionList[i].h ) )
+ ( newRes.bpp == mResolutionList[i].bpp ? 0 : 1 );
if ( !bestScore || ( thisScore < bestScore ) )
{
bestScore = thisScore;
resIndex = i;
}
}
}
newRes = mResolutionList[resIndex];
}
else
{
// Basically ignore the bit depth parameter:
newRes.bpp = winState.desktopBitsPixel;
}
// Return if already at this resolution:
if ( !forceIt && newRes == smCurrentRes && newFullScreen == smIsFullScreen )
return true;
Con::printf( "Setting screen mode to %dx%dx%d (%s)...", newRes.w, newRes.h, newRes.bpp, ( newFullScreen ? "fs" : "w" ) );
bool needResurrect = false;
if ( ( newRes.bpp != smCurrentRes.bpp ) || ( safeModeOn && ( ( smIsFullScreen != newFullScreen ) || newFullScreen ) ) )
{
// Delete the rendering context:
if ( winState.hGLRC )
{
if (!Video::smNeedResurrect)
{
Con::printf( "Killing the texture manager..." );
Game->textureKill();
needResurrect = true;
}
Con::printf( "Making the rendering context not current..." );
if ( !qwglMakeCurrent( NULL, NULL ) )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nqwglMakeCurrent( NULL, NULL ) failed!" );
return false;
}
Con::printf( "Deleting the rendering context..." );
if ( Con::getBoolVariable("$pref::Video::deleteContext",true) &&
!qwglDeleteContext( winState.hGLRC ) )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nqwglDeleteContext failed!" );
return false;
}
winState.hGLRC = NULL;
}
// Release the device context:
if ( winState.appDC )
{
Con::printf( "Releasing the device context..." );
ReleaseDC( winState.appWindow, winState.appDC );
winState.appDC = NULL;
}
// Destroy the window:
if ( winState.appWindow )
{
Con::printf( "Destroying the window..." );
DestroyWindow( winState.appWindow );
winState.appWindow = NULL;
}
}
else if ( smIsFullScreen != newFullScreen )
{
// Change the window style:
Con::printf( "Changing the window style..." );
S32 windowStyle = WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
if ( newFullScreen )
windowStyle |= ( WS_POPUP | WS_MAXIMIZE );
else
windowStyle |= ( WS_OVERLAPPED | WS_CAPTION );
if ( !SetWindowLong( winState.appWindow, GWL_STYLE, windowStyle ) )
Con::errorf( "SetWindowLong failed to change the window style!" );
}
U32 test;
if ( newFullScreen )
{
// Change the display settings:
DEVMODE devMode;
dMemset( &devMode, 0, sizeof( devMode ) );
devMode.dmSize = sizeof( devMode );
devMode.dmPelsWidth = newRes.w;
devMode.dmPelsHeight = newRes.h;
devMode.dmBitsPerPel = newRes.bpp;
devMode.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL;
Con::printf( "Changing the display settings to %dx%dx%d...", newRes.w, newRes.h, newRes.bpp );
curtain = CreateCurtain( newRes.w, newRes.h );
test = ChangeDisplaySettings( &devMode, CDS_FULLSCREEN );
if ( test != DISP_CHANGE_SUCCESSFUL )
{
smIsFullScreen = false;
Con::setBoolVariable( "$pref::Video::fullScreen", false );
ChangeDisplaySettings( NULL, 0 );
Con::errorf( ConsoleLogEntry::General, "OpenGLDevice::setScreenMode - ChangeDisplaySettings failed." );
switch( test )
{
case DISP_CHANGE_RESTART:
Platform::AlertOK( "Display Change Failed", "You must restart your machine to get the specified mode." );
break;
case DISP_CHANGE_BADMODE:
Platform::AlertOK( "Display Change Failed", "The specified mode is not supported by this device." );
break;
default:
Platform::AlertOK( "Display Change Failed", "Hardware failed to switch to the specified mode." );
break;
};
DestroyWindow( curtain );
return false;
}
else
smIsFullScreen = true;
}
else if ( smIsFullScreen )
{
Con::printf( "Changing to the desktop display settings (%dx%dx%d)...", winState.desktopWidth, winState.desktopHeight, winState.desktopBitsPixel );
ChangeDisplaySettings( NULL, 0 );
smIsFullScreen = false;
}
Con::setBoolVariable( "$pref::Video::fullScreen", smIsFullScreen );
bool newWindow = false;
if ( !winState.appWindow )
{
Con::printf( "Creating a new %swindow...", ( fullScreen ? "full-screen " : "" ) );
winState.appWindow = CreateOpenGLWindow( newRes.w, newRes.h, newFullScreen );
if ( !winState.appWindow )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nFailed to create a new window!" );
return false;
}
newWindow = true;
}
// Move the window:
if ( !newFullScreen )
{
// Adjust the window rect to compensate for the window style:
RECT windowRect;
windowRect.left = windowRect.top = 0;
windowRect.right = newRes.w;
windowRect.bottom = newRes.h;
AdjustWindowRect( &windowRect, GetWindowLong( winState.appWindow, GWL_STYLE ), false );
U32 adjWidth = windowRect.right - windowRect.left;
U32 adjHeight = windowRect.bottom - windowRect.top;
// Center the window on the desktop:
U32 xPos = ( winState.desktopWidth - adjWidth ) / 2;
U32 yPos = ( winState.desktopHeight - adjHeight ) / 2;
test = SetWindowPos( winState.appWindow, 0, xPos, yPos, adjWidth, adjHeight, SWP_NOZORDER );
if ( !test )
{
dSprintf( errorMessage, 255, "OpenGLDevice::setScreenMode\nSetWindowPos failed trying to move the window to (%d,%d) and size it to %dx%d.", xPos, yPos, newRes.w, newRes.h );
AssertFatal( false, errorMessage );
return false;
}
}
else if ( !newWindow )
{
// Move and size the window to take up the whole screen:
if ( !SetWindowPos( winState.appWindow, 0, 0, 0, newRes.w, newRes.h, SWP_NOZORDER ) )
{
dSprintf( errorMessage, 255, "OpenGLDevice::setScreenMode\nSetWindowPos failed to move the window to (0,0) and size it to %dx%d.", newRes.w, newRes.h );
AssertFatal( false, errorMessage );
return false;
}
}
bool newDeviceContext = false;
if ( !winState.appDC )
{
// Get a new device context:
Con::printf( "Acquiring a new device context..." );
winState.appDC = GetDC( winState.appWindow );
if ( !winState.appDC )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nGetDC failed to get a valid device context!" );
return false;
}
newDeviceContext = true;
}
if ( newWindow )
{
// Set the pixel format of the new window:
PIXELFORMATDESCRIPTOR pfd;
CreatePixelFormat( &pfd, newRes.bpp, 24, 8, false );
S32 chosenFormat = ChooseBestPixelFormat( winState.appDC, &pfd );
if ( !chosenFormat )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nNo valid pixel formats found!" );
return false;
}
qwglDescribePixelFormat( winState.appDC, chosenFormat, sizeof( pfd ), &pfd );
if ( !SetPixelFormat( winState.appDC, chosenFormat, &pfd ) )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nFailed to set the pixel format!" );
return false;
}
Con::printf( "Pixel format set:" );
Con::printf( " %d color bits, %d depth bits, %d stencil bits", pfd.cColorBits, pfd.cDepthBits, pfd.cStencilBits );
}
if ( !winState.hGLRC )
{
// Create a new rendering context:
Con::printf( "Creating a new rendering context..." );
winState.hGLRC = qwglCreateContext( winState.appDC );
if ( !winState.hGLRC )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nqwglCreateContext failed to create an OpenGL rendering context!" );
return false;
}
// Make the new rendering context current:
Con::printf( "Making the new rendering context current..." );
if ( !qwglMakeCurrent( winState.appDC, winState.hGLRC ) )
{
AssertFatal( false, "OpenGLDevice::setScreenMode\nqwglMakeCurrent failed to make the rendering context current!" );
return false;
}
// Just for kicks. Seems a relatively central place to put this...
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if ( needResurrect )
{
// Reload the textures:
Con::printf( "Resurrecting the texture manager..." );
Game->textureResurrect();
}
}
// Just for kicks. Seems a relatively central place to put this...
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
if ( newDeviceContext && gGLState.suppSwapInterval )
setVerticalSync( !Con::getBoolVariable( "$pref::Video::disableVerticalSync" ) );
smCurrentRes = newRes;
Platform::setWindowSize( newRes.w, newRes.h );
char tempBuf[15];
dSprintf( tempBuf, sizeof( tempBuf ), "%d %d %d", smCurrentRes.w, smCurrentRes.h, smCurrentRes.bpp );
Con::setVariable( "$pref::Video::resolution", tempBuf );
if ( curtain )
DestroyWindow( curtain );
// Doesn't hurt to do this even it isn't necessary:
ShowWindow( winState.appWindow, SW_SHOW );
SetForegroundWindow( winState.appWindow );
SetFocus( winState.appWindow );
if ( repaint )
Con::evaluate( "resetCanvas();" );
return true;
}
//------------------------------------------------------------------------------
void OpenGLDevice::swapBuffers()
{
qwglSwapBuffers( winState.appDC );
}
//------------------------------------------------------------------------------
const char* OpenGLDevice::getDriverInfo()
{
// Output some driver info to the console:
const char* vendorString = (const char*) glGetString( GL_VENDOR );
const char* rendererString = (const char*) glGetString( GL_RENDERER );
const char* versionString = (const char*) glGetString( GL_VERSION );
const char* extensionsString = (const char*) glGetString( GL_EXTENSIONS );
U32 bufferLen = ( vendorString ? dStrlen( vendorString ) : 0 )
+ ( rendererString ? dStrlen( rendererString ) : 0 )
+ ( versionString ? dStrlen( versionString ) : 0 )
+ ( extensionsString ? dStrlen( extensionsString ) : 0 )
+ 4;
char* returnString = Con::getReturnBuffer( bufferLen );
dSprintf( returnString, bufferLen, "%s\t%s\t%s\t%s",
( vendorString ? vendorString : "" ),
( rendererString ? rendererString : "" ),
( versionString ? versionString : "" ),
( extensionsString ? extensionsString : "" ) );
return( returnString );
}
//------------------------------------------------------------------------------
bool OpenGLDevice::getGammaCorrection(F32 &g)
{
U16 ramp[256*3];
if (!GetDeviceGammaRamp(winState.appDC, ramp))
return false;
F32 csum = 0.0;
U32 ccount = 0;
for (U16 i = 0; i < 256; ++i)
{
if (i != 0 && ramp[i] != 0 && ramp[i] != 65535)
{
F64 b = (F64) i/256.0;
F64 a = (F64) ramp[i]/65535.0;
F32 c = (F32) (mLog(a)/mLog(b));
csum += c;
++ccount;
}
}
g = csum/ccount;
return true;
}
//------------------------------------------------------------------------------
bool OpenGLDevice::setGammaCorrection(F32 g)
{
U16 ramp[256*3];
for (U16 i = 0; i < 256; ++i)
ramp[i] = mPow((F32) i/256.0f, g) * 65535.0f;
dMemcpy(&ramp[256],ramp,256*sizeof(U16));
dMemcpy(&ramp[512],ramp,256*sizeof(U16));
return SetDeviceGammaRamp(winState.appDC, ramp);
}
//------------------------------------------------------------------------------
bool OpenGLDevice::setVerticalSync( bool on )
{
if ( !gGLState.suppSwapInterval )
return( false );
return( qwglSwapIntervalEXT( on ? 1 : 0 ) );
}
//------------------------------------------------------------------------------
DisplayDevice* OpenGLDevice::create()
{
bool result = false;
bool fullScreenOnly = false;
OSVERSIONINFO OSVersionInfo;
U32 switchedNT = false;
dMemset( &OSVersionInfo, 0, sizeof( OSVERSIONINFO ) );
OSVersionInfo.dwOSVersionInfoSize = sizeof( OSVERSIONINFO );
if ( GetVersionEx( &OSVersionInfo ) &&
OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS )
{
DEVMODE devMode;
dMemset( &devMode, 0, sizeof( devMode ) );
devMode.dmSize = sizeof( devMode );
devMode.dmBitsPerPel = winState.desktopBitsPixel == 16 ? 32 : 16;
devMode.dmFields = DM_BITSPERPEL;
// attempt bit-depth change to test Windows 95B
if ( ChangeDisplaySettings( &devMode, CDS_TEST ) != DISP_CHANGE_SUCCESSFUL )
smCanSwitchBitDepth = false;
}
// switching NT to 32-bit desktop to determine if we have a 16-bit card
else if (OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT &&
OSVersionInfo.dwMajorVersion == 4 &&
winState.desktopBitsPixel != 32)
{
DEVMODE devMode;
dMemset( &devMode, 0, sizeof( devMode ) );
devMode.dmSize = sizeof( devMode );
devMode.dmBitsPerPel = 32;
devMode.dmFields = DM_BITSPERPEL;
switchedNT = ChangeDisplaySettings( &devMode, 0 ) == DISP_CHANGE_SUCCESSFUL;
}
// This shouldn't happen, but just to be safe...
if ( winState.hinstOpenGL )
QGL_Shutdown();
if (!QGL_Init( "opengl32", "glu32" ))
{
if (switchedNT)
ChangeDisplaySettings( NULL, 0 );
return NULL;
}
// Create a test window to see if OpenGL hardware acceleration is available:
WNDCLASS wc;
dMemset(&wc, 0, sizeof(wc));
wc.style = CS_OWNDC;
wc.lpfnWndProc = DefWindowProc;
wc.hInstance = winState.appInstance;
wc.lpszClassName = "OGLTest";
RegisterClass( &wc );
HWND testWindow = CreateWindow(
"OGLTest",
"",
WS_POPUP,
0, 0, 640, 480,
NULL,
NULL,
winState.appInstance,
NULL );
if ( testWindow )
{
HDC testDC = GetDC( testWindow );
if ( testDC )
{
PIXELFORMATDESCRIPTOR pfd;
CreatePixelFormat( &pfd, 16, 16, 8, false );
U32 chosenFormat = ChooseBestPixelFormat( testDC, &pfd );
if ( chosenFormat != 0 )
{
qwglDescribePixelFormat( testDC, chosenFormat, sizeof( pfd ), &pfd );
result = !( pfd.dwFlags & PFD_GENERIC_FORMAT );
if ( result && (winState.desktopBitsPixel == 16 || pfd.cColorBits == 16) )
D3DDevice::smStay16 = true;
if ( result && winState.desktopBitsPixel != 16 && !smCanSwitchBitDepth)
{
// If Windows 95 cannot switch bit depth, it should only attempt 16-bit cards
// with a 16-bit desktop
// See if we can get a 32-bit pixel format:
PIXELFORMATDESCRIPTOR pfd;
CreatePixelFormat( &pfd, 32, 24, 8, false );
S32 chosenFormat = ChooseBestPixelFormat( testDC, &pfd );
if ( chosenFormat != 0 )
{
qwglDescribePixelFormat( winState.appDC, chosenFormat, sizeof( pfd ), &pfd );
if (pfd.cColorBits == 16)
{
Platform::AlertOK("Requires 16-Bit Desktop",
"You must run in 16-bit color to play \"Tribes 2\".\nPlease quit the game, set your desktop color depth to 16-bit\nand then restart the application.");
result = false;
}
}
}
// Don't allow 16-bit cards to do windowed mode on NT
else if (OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT &&
OSVersionInfo.dwMajorVersion == 4 &&
result && pfd.cColorBits == 16)
fullScreenOnly = true;
}
else if ( (winState.desktopBitsPixel != 16 || switchedNT) && smCanSwitchBitDepth )
{
// Try again after changing the display to 16-bit:
ReleaseDC( testWindow, testDC );
DestroyWindow( testWindow );
DEVMODE devMode;
dMemset( &devMode, 0, sizeof( devMode ) );
devMode.dmSize = sizeof( devMode );
devMode.dmBitsPerPel = 16;
devMode.dmFields = DM_BITSPERPEL;
U32 test = ChangeDisplaySettings( &devMode, 0 );
if ( test == DISP_CHANGE_SUCCESSFUL )
{
testWindow = CreateWindow(
"OGLTest",
"",
WS_OVERLAPPED | WS_CAPTION,
0, 0, 640, 480,
NULL,
NULL,
winState.appInstance,
NULL );
if ( testWindow )
{
testDC = GetDC( testWindow );
if ( testDC )
{
CreatePixelFormat( &pfd, 16, 16, 8, false );
chosenFormat = ChooseBestPixelFormat( testDC, &pfd );
if ( chosenFormat != 0 )
{
qwglDescribePixelFormat( testDC, chosenFormat, sizeof( pfd ), &pfd );
result = !( pfd.dwFlags & PFD_GENERIC_FORMAT );
if ( result )
fullScreenOnly = true;
}
}
}
}
ChangeDisplaySettings( NULL, 0 );
switchedNT = false;
}
else if ( winState.desktopBitsPixel != 16 && !smCanSwitchBitDepth )
Platform::AlertOK("Requires 16-Bit Desktop",
"You must run in 16-bit color to play \"Tribes 2\".\nPlease quit the game, set your desktop color depth to 16-bit\nand then restart the application.");
ReleaseDC( testWindow, testDC );
}
DestroyWindow( testWindow );
}
UnregisterClass( "OGLTest", winState.appInstance );
QGL_Shutdown();
// Return NT to previous desktop bit depth
if (switchedNT)
ChangeDisplaySettings( NULL, 0 );
if ( result )
{
OpenGLDevice* newOGLDevice = new OpenGLDevice();
if ( newOGLDevice )
{
newOGLDevice->mFullScreenOnly = fullScreenOnly;
return (DisplayDevice*) newOGLDevice;
}
else
return NULL;
}
else
return NULL;
}
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