jkxr/Projects/Android/jni/OpenJK/shared/sdl/sdl_window.cpp
Simon daafcc6ba4 Drfaulting a lot of cvars
and saber blur now working
2022-10-10 21:58:02 +01:00

887 lines
22 KiB
C++

/*
===========================================================================
Copyright (C) 2005 - 2015, ioquake3 contributors
Copyright (C) 2013 - 2015, OpenJK contributors
This file is part of the OpenJK source code.
OpenJK is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
===========================================================================
*/
#include <SDL.h>
#include <SDL_syswm.h>
#include "qcommon/qcommon.h"
#include "rd-common/tr_types.h"
#include "sys/sys_local.h"
#include "sdl_icon.h"
enum rserr_t
{
RSERR_OK,
RSERR_INVALID_FULLSCREEN,
RSERR_INVALID_MODE,
RSERR_UNKNOWN
};
static SDL_Window *screen = NULL;
static SDL_GLContext opengl_context;
static float displayAspect;
cvar_t *r_sdlDriver;
cvar_t *r_allowSoftwareGL;
// Window cvars
cvar_t *r_fullscreen = 0;
cvar_t *r_noborder;
cvar_t *r_centerWindow;
cvar_t *r_customwidth;
cvar_t *r_customheight;
cvar_t *r_swapInterval;
cvar_t *r_stereo;
cvar_t *r_mode;
cvar_t *r_displayRefresh;
// Window surface cvars
cvar_t *r_stencilbits;
cvar_t *r_depthbits;
cvar_t *r_colorbits;
cvar_t *r_ignorehwgamma;
cvar_t *r_ext_multisample;
/*
** R_GetModeInfo
*/
typedef struct vidmode_s
{
const char *description;
int width, height;
} vidmode_t;
const vidmode_t r_vidModes[] = {
{ "Mode 0: 320x240", 320, 240 },
{ "Mode 1: 400x300", 400, 300 },
{ "Mode 2: 512x384", 512, 384 },
{ "Mode 3: 640x480", 640, 480 },
{ "Mode 4: 800x600", 800, 600 },
{ "Mode 5: 960x720", 960, 720 },
{ "Mode 6: 1024x768", 1024, 768 },
{ "Mode 7: 1152x864", 1152, 864 },
{ "Mode 8: 1280x1024", 1280, 1024 },
{ "Mode 9: 1600x1200", 1600, 1200 },
{ "Mode 10: 2048x1536", 2048, 1536 },
{ "Mode 11: 856x480 (wide)", 856, 480 },
{ "Mode 12: 2400x600(surround)",2400,600 }
};
static const int s_numVidModes = ARRAY_LEN( r_vidModes );
#define R_MODE_FALLBACK (4) // 640x480
qboolean R_GetModeInfo( int *width, int *height, int mode ) {
const vidmode_t *vm;
if ( mode < -1 ) {
return qfalse;
}
if ( mode >= s_numVidModes ) {
return qfalse;
}
if ( mode == -1 ) {
*width = r_customwidth->integer;
*height = r_customheight->integer;
return qtrue;
}
vm = &r_vidModes[mode];
*width = vm->width;
*height = vm->height;
return qtrue;
}
/*
** R_ModeList_f
*/
static void R_ModeList_f( void )
{
int i;
Com_Printf( "\n" );
Com_Printf( "Mode -2: Use desktop resolution\n" );
Com_Printf( "Mode -1: Use r_customWidth and r_customHeight variables\n" );
for ( i = 0; i < s_numVidModes; i++ )
{
Com_Printf( "%s\n", r_vidModes[i].description );
}
Com_Printf( "\n" );
}
/*
===============
GLimp_Minimize
Minimize the game so that user is back at the desktop
===============
*/
void GLimp_Minimize(void)
{
SDL_MinimizeWindow( screen );
}
void WIN_Present( window_t *window )
{
if ( window->api == GRAPHICS_API_OPENGL )
{
SDL_GL_SwapWindow(screen);
if ( r_swapInterval->modified )
{
r_swapInterval->modified = qfalse;
if ( SDL_GL_SetSwapInterval( r_swapInterval->integer ) == -1 )
{
Com_DPrintf( "SDL_GL_SetSwapInterval failed: %s\n", SDL_GetError() );
}
}
}
if ( r_fullscreen->modified )
{
bool fullscreen;
bool needToToggle;
bool sdlToggled = qfalse;
// Find out the current state
fullscreen = (SDL_GetWindowFlags( screen ) & SDL_WINDOW_FULLSCREEN) != 0;
if ( r_fullscreen->integer && Cvar_VariableIntegerValue( "in_nograb" ) )
{
Com_Printf( "Fullscreen not allowed with in_nograb 1\n" );
Cvar_Set( "r_fullscreen", "0" );
r_fullscreen->modified = qfalse;
}
// Is the state we want different from the current state?
needToToggle = !!r_fullscreen->integer != fullscreen;
if ( needToToggle )
{
sdlToggled = SDL_SetWindowFullscreen( screen, r_fullscreen->integer ) >= 0;
// SDL_WM_ToggleFullScreen didn't work, so do it the slow way
if ( !sdlToggled )
Cbuf_AddText( "vid_restart\n" );
IN_Restart();
}
r_fullscreen->modified = qfalse;
}
}
/*
===============
GLimp_CompareModes
===============
*/
static int GLimp_CompareModes( const void *a, const void *b )
{
const float ASPECT_EPSILON = 0.001f;
SDL_Rect *modeA = (SDL_Rect *)a;
SDL_Rect *modeB = (SDL_Rect *)b;
float aspectA = (float)modeA->w / (float)modeA->h;
float aspectB = (float)modeB->w / (float)modeB->h;
int areaA = modeA->w * modeA->h;
int areaB = modeB->w * modeB->h;
float aspectDiffA = fabs( aspectA - displayAspect );
float aspectDiffB = fabs( aspectB - displayAspect );
float aspectDiffsDiff = aspectDiffA - aspectDiffB;
if( aspectDiffsDiff > ASPECT_EPSILON )
return 1;
else if( aspectDiffsDiff < -ASPECT_EPSILON )
return -1;
else
return areaA - areaB;
}
/*
===============
GLimp_DetectAvailableModes
===============
*/
static bool GLimp_DetectAvailableModes(void)
{
int i, j;
char buf[ MAX_STRING_CHARS ] = { 0 };
SDL_Rect *modes;
int numModes = 0;
int display = SDL_GetWindowDisplayIndex( screen );
if ( display < 0 )
{
Com_Printf( S_COLOR_YELLOW "WARNING: Couldn't get window display index, no resolutions detected: %s\n", SDL_GetError() );
return false;
}
SDL_DisplayMode windowMode;
if( SDL_GetWindowDisplayMode( screen, &windowMode ) < 0 )
{
Com_Printf( S_COLOR_YELLOW "WARNING: Couldn't get window display mode, no resolutions detected (%s).\n", SDL_GetError() );
return false;
}
int numDisplayModes = SDL_GetNumDisplayModes( display );
if ( numDisplayModes < 0 )
Com_Error( ERR_FATAL, "SDL_GetNumDisplayModes() FAILED (%s)", SDL_GetError() );
modes = (SDL_Rect *)SDL_calloc( (size_t)numDisplayModes, sizeof( SDL_Rect ) );
if ( !modes )
Com_Error( ERR_FATAL, "Out of memory" );
for( i = 0; i < numDisplayModes; i++ )
{
SDL_DisplayMode mode;
if( SDL_GetDisplayMode( display, i, &mode ) < 0 )
continue;
if( !mode.w || !mode.h )
{
Com_Printf( "Display supports any resolution\n" );
SDL_free( modes );
return true;
}
if( windowMode.format != mode.format )
continue;
// SDL can give the same resolution with different refresh rates.
// Only list resolution once.
for( j = 0; j < numModes; j++ )
{
if( mode.w == modes[ j ].w && mode.h == modes[ j ].h )
break;
}
if( j != numModes )
continue;
modes[ numModes ].w = mode.w;
modes[ numModes ].h = mode.h;
numModes++;
}
if( numModes > 1 )
qsort( modes, numModes, sizeof( SDL_Rect ), GLimp_CompareModes );
for( i = 0; i < numModes; i++ )
{
const char *newModeString = va( "%ux%u ", modes[ i ].w, modes[ i ].h );
if( strlen( newModeString ) < (int)sizeof( buf ) - strlen( buf ) )
Q_strcat( buf, sizeof( buf ), newModeString );
else
Com_Printf( "Skipping mode %ux%u, buffer too small\n", modes[ i ].w, modes[ i ].h );
}
if( *buf )
{
buf[ strlen( buf ) - 1 ] = 0;
Com_Printf( "Available modes: '%s'\n", buf );
Cvar_Set( "r_availableModes", buf );
}
SDL_free( modes );
return true;
}
/*
===============
GLimp_SetMode
===============
*/
static rserr_t GLimp_SetMode(glconfig_t *glConfig, const windowDesc_t *windowDesc, const char *windowTitle, int mode, qboolean fullscreen, qboolean noborder)
{
int perChannelColorBits;
int colorBits, depthBits, stencilBits;
int samples;
int i = 0;
SDL_Surface *icon = NULL;
Uint32 flags = SDL_WINDOW_SHOWN;
SDL_DisplayMode desktopMode;
int display = 0;
int x = SDL_WINDOWPOS_UNDEFINED, y = SDL_WINDOWPOS_UNDEFINED;
if ( windowDesc->api == GRAPHICS_API_OPENGL )
{
flags |= SDL_WINDOW_OPENGL;
}
Com_Printf( "Initializing display\n");
icon = SDL_CreateRGBSurfaceFrom(
(void *)CLIENT_WINDOW_ICON.pixel_data,
CLIENT_WINDOW_ICON.width,
CLIENT_WINDOW_ICON.height,
CLIENT_WINDOW_ICON.bytes_per_pixel * 8,
CLIENT_WINDOW_ICON.bytes_per_pixel * CLIENT_WINDOW_ICON.width,
#ifdef Q3_LITTLE_ENDIAN
0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
#else
0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
#endif
);
// If a window exists, note its display index
if ( screen != NULL )
{
display = SDL_GetWindowDisplayIndex( screen );
if ( display < 0 )
{
Com_DPrintf( "SDL_GetWindowDisplayIndex() failed: %s\n", SDL_GetError() );
}
}
if( display >= 0 && SDL_GetDesktopDisplayMode( display, &desktopMode ) == 0 )
{
displayAspect = (float)desktopMode.w / (float)desktopMode.h;
Com_Printf( "Display aspect: %.3f\n", displayAspect );
}
else
{
Com_Memset( &desktopMode, 0, sizeof( SDL_DisplayMode ) );
Com_Printf( "Cannot determine display aspect, assuming 1.333\n" );
}
Com_Printf( "...setting mode %d:", mode );
if (mode == -2)
{
// use desktop video resolution
if( desktopMode.h > 0 )
{
glConfig->vidWidth = desktopMode.w;
glConfig->vidHeight = desktopMode.h;
}
else
{
glConfig->vidWidth = 640;
glConfig->vidHeight = 480;
Com_Printf( "Cannot determine display resolution, assuming 640x480\n" );
}
//glConfig.windowAspect = (float)glConfig.vidWidth / (float)glConfig.vidHeight;
}
else if ( !R_GetModeInfo( &glConfig->vidWidth, &glConfig->vidHeight, /*&glConfig.windowAspect,*/ mode ) )
{
Com_Printf( " invalid mode\n" );
SDL_FreeSurface( icon );
return RSERR_INVALID_MODE;
}
Com_Printf( " %d %d\n", glConfig->vidWidth, glConfig->vidHeight);
// Center window
if( r_centerWindow->integer && !fullscreen )
{
x = ( desktopMode.w / 2 ) - ( glConfig->vidWidth / 2 );
y = ( desktopMode.h / 2 ) - ( glConfig->vidHeight / 2 );
}
// Destroy existing state if it exists
if( opengl_context != NULL )
{
SDL_GL_DeleteContext( opengl_context );
opengl_context = NULL;
}
if( screen != NULL )
{
SDL_GetWindowPosition( screen, &x, &y );
Com_DPrintf( "Existing window at %dx%d before being destroyed\n", x, y );
SDL_DestroyWindow( screen );
screen = NULL;
}
if( fullscreen )
{
flags |= SDL_WINDOW_FULLSCREEN;
glConfig->isFullscreen = qtrue;
}
else
{
if( noborder )
flags |= SDL_WINDOW_BORDERLESS;
glConfig->isFullscreen = qfalse;
}
colorBits = r_colorbits->integer;
if ((!colorBits) || (colorBits >= 32))
colorBits = 24;
if (!r_depthbits->integer)
depthBits = 24;
else
depthBits = r_depthbits->integer;
stencilBits = r_stencilbits->integer;
samples = r_ext_multisample->integer;
if ( windowDesc->api == GRAPHICS_API_OPENGL )
{
for (i = 0; i < 16; i++)
{
int testColorBits, testDepthBits, testStencilBits;
// 0 - default
// 1 - minus colorBits
// 2 - minus depthBits
// 3 - minus stencil
if ((i % 4) == 0 && i)
{
// one pass, reduce
switch (i / 4)
{
case 2 :
if (colorBits == 24)
colorBits = 16;
break;
case 1 :
if (depthBits == 24)
depthBits = 16;
else if (depthBits == 16)
depthBits = 8;
case 3 :
if (stencilBits == 24)
stencilBits = 16;
else if (stencilBits == 16)
stencilBits = 8;
}
}
testColorBits = colorBits;
testDepthBits = depthBits;
testStencilBits = stencilBits;
if ((i % 4) == 3)
{ // reduce colorBits
if (testColorBits == 24)
testColorBits = 16;
}
if ((i % 4) == 2)
{ // reduce depthBits
if (testDepthBits == 24)
testDepthBits = 16;
else if (testDepthBits == 16)
testDepthBits = 8;
}
if ((i % 4) == 1)
{ // reduce stencilBits
if (testStencilBits == 24)
testStencilBits = 16;
else if (testStencilBits == 16)
testStencilBits = 8;
else
testStencilBits = 0;
}
if (testColorBits == 24)
perChannelColorBits = 8;
else
perChannelColorBits = 4;
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, perChannelColorBits );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, perChannelColorBits );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, perChannelColorBits );
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, testDepthBits );
SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, testStencilBits );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, samples ? 1 : 0 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, samples );
if ( windowDesc->gl.majorVersion )
{
int compactVersion = windowDesc->gl.majorVersion * 100 + windowDesc->gl.minorVersion * 10;
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, windowDesc->gl.majorVersion );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, windowDesc->gl.minorVersion );
if ( windowDesc->gl.profile == GLPROFILE_ES || compactVersion >= 320 )
{
int profile;
switch ( windowDesc->gl.profile )
{
default:
case GLPROFILE_COMPATIBILITY:
profile = SDL_GL_CONTEXT_PROFILE_COMPATIBILITY;
break;
case GLPROFILE_CORE:
profile = SDL_GL_CONTEXT_PROFILE_CORE;
break;
case GLPROFILE_ES:
profile = SDL_GL_CONTEXT_PROFILE_ES;
break;
}
SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, profile );
}
}
if ( windowDesc->gl.contextFlags & GLCONTEXT_DEBUG )
{
SDL_GL_SetAttribute( SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG );
}
if(r_stereo->integer)
{
glConfig->stereoEnabled = qtrue;
SDL_GL_SetAttribute(SDL_GL_STEREO, 1);
}
else
{
glConfig->stereoEnabled = qfalse;
SDL_GL_SetAttribute(SDL_GL_STEREO, 0);
}
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
SDL_GL_SetAttribute( SDL_GL_ACCELERATED_VISUAL, !r_allowSoftwareGL->integer );
if( ( screen = SDL_CreateWindow( windowTitle, x, y,
glConfig->vidWidth, glConfig->vidHeight, flags ) ) == NULL )
{
Com_DPrintf( "SDL_CreateWindow failed: %s\n", SDL_GetError( ) );
continue;
}
#ifndef MACOS_X
SDL_SetWindowIcon( screen, icon );
#endif
if( fullscreen )
{
SDL_DisplayMode mode;
switch( testColorBits )
{
case 16: mode.format = SDL_PIXELFORMAT_RGB565; break;
case 24: mode.format = SDL_PIXELFORMAT_RGB24; break;
default: Com_DPrintf( "testColorBits is %d, can't fullscreen\n", testColorBits ); continue;
}
mode.w = glConfig->vidWidth;
mode.h = glConfig->vidHeight;
mode.refresh_rate = glConfig->displayFrequency = r_displayRefresh->integer;
mode.driverdata = NULL;
if( SDL_SetWindowDisplayMode( screen, &mode ) < 0 )
{
Com_DPrintf( "SDL_SetWindowDisplayMode failed: %s\n", SDL_GetError( ) );
continue;
}
}
if( ( opengl_context = SDL_GL_CreateContext( screen ) ) == NULL )
{
Com_Printf( "SDL_GL_CreateContext failed: %s\n", SDL_GetError( ) );
continue;
}
if ( SDL_GL_SetSwapInterval( r_swapInterval->integer ) == -1 )
{
Com_DPrintf( "SDL_GL_SetSwapInterval failed: %s\n", SDL_GetError() );
}
glConfig->colorBits = testColorBits;
glConfig->depthBits = testDepthBits;
glConfig->stencilBits = testStencilBits;
Com_Printf( "Using %d color bits, %d depth, %d stencil display.\n",
glConfig->colorBits, glConfig->depthBits, glConfig->stencilBits );
break;
}
if (opengl_context == NULL) {
SDL_FreeSurface(icon);
return RSERR_UNKNOWN;
}
}
else
{
// Just create a regular window
if( ( screen = SDL_CreateWindow( windowTitle, x, y,
glConfig->vidWidth, glConfig->vidHeight, flags ) ) == NULL )
{
Com_DPrintf( "SDL_CreateWindow failed: %s\n", SDL_GetError( ) );
}
else
{
#ifndef MACOS_X
SDL_SetWindowIcon( screen, icon );
#endif
if( fullscreen )
{
if( SDL_SetWindowDisplayMode( screen, NULL ) < 0 )
{
Com_DPrintf( "SDL_SetWindowDisplayMode failed: %s\n", SDL_GetError( ) );
}
}
}
}
SDL_FreeSurface( icon );
if (!GLimp_DetectAvailableModes())
{
return RSERR_UNKNOWN;
}
return RSERR_OK;
}
/*
===============
GLimp_StartDriverAndSetMode
===============
*/
static qboolean GLimp_StartDriverAndSetMode(glconfig_t *glConfig, const windowDesc_t *windowDesc, int mode, qboolean fullscreen, qboolean noborder)
{
rserr_t err;
if (!SDL_WasInit(SDL_INIT_VIDEO))
{
const char *driverName;
if (SDL_Init(SDL_INIT_VIDEO) == -1)
{
Com_Printf( "SDL_Init( SDL_INIT_VIDEO ) FAILED (%s)\n", SDL_GetError());
return qfalse;
}
driverName = SDL_GetCurrentVideoDriver();
if (!driverName)
{
Com_Error( ERR_FATAL, "No video driver initialized" );
return qfalse;
}
Com_Printf( "SDL using driver \"%s\"\n", driverName );
Cvar_Set( "r_sdlDriver", driverName );
}
if (SDL_GetNumVideoDisplays() <= 0)
{
Com_Error( ERR_FATAL, "SDL_GetNumVideoDisplays() FAILED (%s)", SDL_GetError() );
}
if (fullscreen && Cvar_VariableIntegerValue( "in_nograb" ) )
{
Com_Printf( "Fullscreen not allowed with in_nograb 1\n");
Cvar_Set( "r_fullscreen", "0" );
r_fullscreen->modified = qfalse;
fullscreen = qfalse;
}
err = GLimp_SetMode(glConfig, windowDesc, CLIENT_WINDOW_TITLE, mode, fullscreen, noborder);
switch ( err )
{
case RSERR_INVALID_FULLSCREEN:
Com_Printf( "...WARNING: fullscreen unavailable in this mode\n" );
return qfalse;
case RSERR_INVALID_MODE:
Com_Printf( "...WARNING: could not set the given mode (%d)\n", mode );
return qfalse;
case RSERR_UNKNOWN:
Com_Printf( "...ERROR: no display modes could be found.\n" );
return qfalse;
default:
break;
}
return qtrue;
}
window_t WIN_Init( const windowDesc_t *windowDesc, glconfig_t *glConfig )
{
Cmd_AddCommand("modelist", R_ModeList_f);
Cmd_AddCommand("minimize", GLimp_Minimize);
r_sdlDriver = Cvar_Get( "r_sdlDriver", "", CVAR_ROM );
r_allowSoftwareGL = Cvar_Get( "r_allowSoftwareGL", "0", CVAR_ARCHIVE_ND|CVAR_LATCH );
// Window cvars
r_fullscreen = Cvar_Get( "r_fullscreen", "0", CVAR_ARCHIVE|CVAR_LATCH );
r_noborder = Cvar_Get( "r_noborder", "0", CVAR_ARCHIVE|CVAR_LATCH );
r_centerWindow = Cvar_Get( "r_centerWindow", "0", CVAR_ARCHIVE|CVAR_LATCH );
r_customwidth = Cvar_Get( "r_customwidth", "1600", CVAR_ARCHIVE|CVAR_LATCH );
r_customheight = Cvar_Get( "r_customheight", "1024", CVAR_ARCHIVE|CVAR_LATCH );
r_swapInterval = Cvar_Get( "r_swapInterval", "0", CVAR_ARCHIVE_ND );
r_stereo = Cvar_Get( "r_stereo", "0", CVAR_ARCHIVE_ND|CVAR_LATCH );
r_mode = Cvar_Get( "r_mode", "4", CVAR_ARCHIVE|CVAR_LATCH );
r_displayRefresh = Cvar_Get( "r_displayRefresh", "0", CVAR_LATCH );
Cvar_CheckRange( r_displayRefresh, 0, 240, qtrue );
// Window render surface cvars
r_stencilbits = Cvar_Get( "r_stencilbits", "8", CVAR_ARCHIVE_ND|CVAR_LATCH );
r_depthbits = Cvar_Get( "r_depthbits", "24", CVAR_ARCHIVE_ND|CVAR_LATCH );
r_colorbits = Cvar_Get( "r_colorbits", "32", CVAR_ARCHIVE_ND|CVAR_LATCH );
r_ignorehwgamma = Cvar_Get( "r_ignorehwgamma", "0", CVAR_ARCHIVE_ND|CVAR_LATCH );
r_ext_multisample = Cvar_Get( "r_ext_multisample", "0", CVAR_ARCHIVE_ND|CVAR_LATCH );
Cvar_Get( "r_availableModes", "", CVAR_ROM );
// Create the window and set up the context
if(!GLimp_StartDriverAndSetMode( glConfig, windowDesc, r_mode->integer,
(qboolean)r_fullscreen->integer, (qboolean)r_noborder->integer ))
{
if( r_mode->integer != R_MODE_FALLBACK )
{
Com_Printf( "Setting r_mode %d failed, falling back on r_mode %d\n", r_mode->integer, R_MODE_FALLBACK );
if (!GLimp_StartDriverAndSetMode( glConfig, windowDesc, R_MODE_FALLBACK, qfalse, qfalse ))
{
// Nothing worked, give up
Com_Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem" );
}
}
}
glConfig->deviceSupportsGamma =
(qboolean)(!r_ignorehwgamma->integer && SDL_SetWindowBrightness( screen, 1.0f ) >= 0);
// This depends on SDL_INIT_VIDEO, hence having it here
IN_Init( screen );
// window_t is only really useful for Windows if the renderer wants to create a D3D context.
window_t window = {};
window.api = windowDesc->api;
#if defined(_WIN32)
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if ( SDL_GetWindowWMInfo(screen, &info) )
{
switch(info.subsystem) {
case SDL_SYSWM_WINDOWS:
window.handle = info.info.win.window;
break;
default:
break;
}
}
#endif
return window;
}
/*
===============
GLimp_Shutdown
===============
*/
void WIN_Shutdown( void )
{
Cmd_RemoveCommand("modelist");
Cmd_RemoveCommand("minimize");
IN_Shutdown();
SDL_QuitSubSystem( SDL_INIT_VIDEO );
screen = NULL;
}
void GLimp_EnableLogging( qboolean enable )
{
}
void GLimp_LogComment( char *comment )
{
}
void WIN_SetGamma( glconfig_t *glConfig, byte red[256], byte green[256], byte blue[256] )
{
Uint16 table[3][256];
int i, j;
if( !glConfig->deviceSupportsGamma || r_ignorehwgamma->integer > 0 )
return;
for (i = 0; i < 256; i++)
{
table[0][i] = ( ( ( Uint16 ) red[i] ) << 8 ) | red[i];
table[1][i] = ( ( ( Uint16 ) green[i] ) << 8 ) | green[i];
table[2][i] = ( ( ( Uint16 ) blue[i] ) << 8 ) | blue[i];
}
#if defined(_WIN32)
// Win2K and newer put this odd restriction on gamma ramps...
{
OSVERSIONINFO vinfo;
vinfo.dwOSVersionInfoSize = sizeof( vinfo );
GetVersionEx( &vinfo );
if( vinfo.dwMajorVersion >= 5 && vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT )
{
Com_DPrintf( "performing gamma clamp.\n" );
for( j = 0 ; j < 3 ; j++ )
{
for( i = 0 ; i < 128 ; i++ )
{
table[j][i] = Q_min(table[j][i], (128 + i) << 8);
}
table[j][127] = Q_min(table[j][127], 254 << 8);
}
}
}
#endif
// enforce constantly increasing
for (j = 0; j < 3; j++)
{
for (i = 1; i < 256; i++)
{
if (table[j][i] < table[j][i-1])
table[j][i] = table[j][i-1];
}
}
if ( SDL_SetWindowGammaRamp( screen, table[0], table[1], table[2] ) < 0 )
{
Com_DPrintf( "SDL_SetWindowGammaRamp() failed: %s\n", SDL_GetError() );
}
}
void *WIN_GL_GetProcAddress( const char *proc )
{
return SDL_GL_GetProcAddress( proc );
}
qboolean WIN_GL_ExtensionSupported( const char *extension )
{
return SDL_GL_ExtensionSupported( extension ) == SDL_TRUE ? qtrue : qfalse;
}