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Diffstat (limited to 'code/macosx/macosx_display.m')
| -rw-r--r-- | code/macosx/macosx_display.m | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/code/macosx/macosx_display.m b/code/macosx/macosx_display.m deleted file mode 100644 index 308d5f5..0000000 --- a/code/macosx/macosx_display.m +++ /dev/null @@ -1,369 +0,0 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. - -This file is part of Quake III Arena source code. - -Quake III Arena source code is free software; you can redistribute it -and/or modify it under the terms of the GNU General Public License as -published by the Free Software Foundation; either version 2 of the License, -or (at your option) any later version. - -Quake III Arena source code 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 Quake III Arena source code; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ - -#import "macosx_display.h" - -#include "tr_local.h" -#import "macosx_local.h" - -#import <Foundation/Foundation.h> -#import <IOKit/graphics/IOGraphicsTypes.h> // for interpreting the kCGDisplayIOFlags element of the display mode - - -NSDictionary *Sys_GetMatchingDisplayMode(qboolean allowStretchedModes) -{ - NSArray *displayModes; - NSDictionary *mode; - unsigned int modeIndex, modeCount, bestModeIndex; - int verbose; - cvar_t *cMinFreq, *cMaxFreq; - int minFreq, maxFreq; - unsigned int colorDepth; - - verbose = r_verbose->integer; - - colorDepth = r_colorbits->integer; - if (colorDepth < 16 || !r_fullscreen->integer) - colorDepth = [[glw_state.desktopMode objectForKey: (id)kCGDisplayBitsPerPixel] intValue]; - - cMinFreq = ri.Cvar_Get("r_minDisplayRefresh", "0", CVAR_ARCHIVE); - cMaxFreq = ri.Cvar_Get("r_maxDisplayRefresh", "0", CVAR_ARCHIVE); - - if (cMinFreq && cMaxFreq && cMinFreq->integer && cMaxFreq->integer && - cMinFreq->integer > cMaxFreq->integer) { - ri.Error(ERR_FATAL, "r_minDisplayRefresh must be less than or equal to r_maxDisplayRefresh"); - } - - minFreq = cMinFreq ? cMinFreq->integer : 0; - maxFreq = cMaxFreq ? cMaxFreq->integer : 0; - - displayModes = (NSArray *)CGDisplayAvailableModes(glw_state.display); - if (!displayModes) { - ri.Error(ERR_FATAL, "CGDisplayAvailableModes returned NULL -- 0x%0x is an invalid display", glw_state.display); - } - - modeCount = [displayModes count]; - if (verbose) { - ri.Printf(PRINT_ALL, "%d modes avaliable\n", modeCount); - ri.Printf(PRINT_ALL, "Current mode is %s\n", [[(id)CGDisplayCurrentMode(glw_state.display) description] cString]); - } - - // Default to the current desktop mode - bestModeIndex = 0xFFFFFFFF; - - for ( modeIndex = 0; modeIndex < modeCount; ++modeIndex ) { - id object; - int refresh; - - mode = [displayModes objectAtIndex: modeIndex]; - if (verbose) { - ri.Printf(PRINT_ALL, " mode %d -- %s\n", modeIndex, [[mode description] cString]); - } - - // Make sure we get the right size - object = [mode objectForKey: (id)kCGDisplayWidth]; - - if ([[mode objectForKey: (id)kCGDisplayWidth] intValue] != glConfig.vidWidth || - [[mode objectForKey: (id)kCGDisplayHeight] intValue] != glConfig.vidHeight) { - if (verbose) - ri.Printf(PRINT_ALL, " -- bad size\n"); - continue; - } - - if (!allowStretchedModes) { - if ([[mode objectForKey: (id)kCGDisplayIOFlags] intValue] & kDisplayModeStretchedFlag) { - if (verbose) - ri.Printf(PRINT_ALL, " -- stretched modes disallowed\n"); - continue; - } - } - - // Make sure that our frequency restrictions are observed - refresh = [[mode objectForKey: (id)kCGDisplayRefreshRate] intValue]; - if (minFreq && refresh < minFreq) { - if (verbose) - ri.Printf(PRINT_ALL, " -- refresh too low\n"); - continue; - } - - if (maxFreq && refresh > maxFreq) { - if (verbose) - ri.Printf(PRINT_ALL, " -- refresh too high\n"); - continue; - } - - if ([[mode objectForKey: (id)kCGDisplayBitsPerPixel] intValue] != colorDepth) { - if (verbose) - ri.Printf(PRINT_ALL, " -- bad depth\n"); - continue; - } - - bestModeIndex = modeIndex; - if (verbose) - ri.Printf(PRINT_ALL, " -- OK\n", bestModeIndex); - } - - if (verbose) - ri.Printf(PRINT_ALL, " bestModeIndex = %d\n", bestModeIndex); - - if (bestModeIndex == 0xFFFFFFFF) { - ri.Printf(PRINT_ALL, "No suitable display mode available.\n"); - return nil; - } - - return [displayModes objectAtIndex: bestModeIndex]; -} - - -#define MAX_DISPLAYS 128 - -void Sys_GetGammaTable(glwgamma_t *table) -{ - CGTableCount tableSize = 512; - CGDisplayErr err; - - table->tableSize = tableSize; - if (table->red) - free(table->red); - table->red = malloc(tableSize * sizeof(*table->red)); - if (table->green) - free(table->green); - table->green = malloc(tableSize * sizeof(*table->green)); - if (table->blue) - free(table->blue); - table->blue = malloc(tableSize * sizeof(*table->blue)); - - // TJW: We _could_ loop here if we get back the same size as our table, increasing the table size. - err = CGGetDisplayTransferByTable(table->display, tableSize, table->red, table->green, table->blue, -&table->tableSize); - if (err != CGDisplayNoErr) { - Com_Printf("GLimp_Init: CGGetDisplayTransferByTable returned %d.\n", err); - table->tableSize = 0; - } -} - -void Sys_SetGammaTable(glwgamma_t *table) -{ -} - - -void Sys_StoreGammaTables() -{ - // Store the original gamma for all monitors so that we can fade and unfade them all - CGDirectDisplayID displays[MAX_DISPLAYS]; - CGDisplayCount displayIndex; - CGDisplayErr err; - - err = CGGetActiveDisplayList(MAX_DISPLAYS, displays, &glw_state.displayCount); - if (err != CGDisplayNoErr) - Sys_Error("Cannot get display list -- CGGetActiveDisplayList returned %d.\n", err); - - glw_state.originalDisplayGammaTables = calloc(glw_state.displayCount, sizeof(*glw_state.originalDisplayGammaTables)); - for (displayIndex = 0; displayIndex < glw_state.displayCount; displayIndex++) { - glwgamma_t *table; - - table = &glw_state.originalDisplayGammaTables[displayIndex]; - table->display = displays[displayIndex]; - Sys_GetGammaTable(table); - } -} - - -// This isn't a mathematically correct fade, but we don't care that much. -void Sys_SetScreenFade(glwgamma_t *table, float fraction) -{ - CGTableCount tableSize; - CGGammaValue *red, *blue, *green; - CGTableCount gammaIndex; - - if (!glConfig.deviceSupportsGamma) - return; - - if (!(tableSize = table->tableSize)) - // we couldn't get the table for this display for some reason - return; - -// Com_Printf("0x%08x %f\n", table->display, fraction); - - red = glw_state.tempTable.red; - green = glw_state.tempTable.green; - blue = glw_state.tempTable.blue; - if (glw_state.tempTable.tableSize < tableSize) { - glw_state.tempTable.tableSize = tableSize; - red = realloc(red, sizeof(*red) * tableSize); - green = realloc(green, sizeof(*green) * tableSize); - blue = realloc(blue, sizeof(*blue) * tableSize); - glw_state.tempTable.red = red; - glw_state.tempTable.green = green; - glw_state.tempTable.blue = blue; - } - - for (gammaIndex = 0; gammaIndex < table->tableSize; gammaIndex++) { - red[gammaIndex] = table->red[gammaIndex] * fraction; - blue[gammaIndex] = table->blue[gammaIndex] * fraction; - green[gammaIndex] = table->green[gammaIndex] * fraction; - } - - CGSetDisplayTransferByTable(table->display, table->tableSize, red, green, blue); -} - -// Fades all the active displays at the same time. - -#define FADE_DURATION 0.5 -void Sys_FadeScreens() -{ - CGDisplayCount displayIndex; - glwgamma_t *table; - NSTimeInterval start, current; - float time; - - if (!glConfig.deviceSupportsGamma) - return; - - Com_Printf("Fading all displays\n"); - - start = [NSDate timeIntervalSinceReferenceDate]; - time = 0.0; - while (time != FADE_DURATION) { - current = [NSDate timeIntervalSinceReferenceDate]; - time = current - start; - if (time > FADE_DURATION) - time = FADE_DURATION; - - for (displayIndex = 0; displayIndex < glw_state.displayCount; displayIndex++) { - table = &glw_state.originalDisplayGammaTables[displayIndex]; - Sys_SetScreenFade(table, 1.0 - time / FADE_DURATION); - } - } -} - -void Sys_FadeScreen(CGDirectDisplayID display) -{ - CGDisplayCount displayIndex; - glwgamma_t *table; - - if (!glConfig.deviceSupportsGamma) - return; - - Com_Printf("Fading display 0x%08x\n", display); - - for (displayIndex = 0; displayIndex < glw_state.displayCount; displayIndex++) { - if (display == glw_state.originalDisplayGammaTables[displayIndex].display) { - NSTimeInterval start, current; - float time; - - start = [NSDate timeIntervalSinceReferenceDate]; - time = 0.0; - - table = &glw_state.originalDisplayGammaTables[displayIndex]; - while (time != FADE_DURATION) { - current = [NSDate timeIntervalSinceReferenceDate]; - time = current - start; - if (time > FADE_DURATION) - time = FADE_DURATION; - - Sys_SetScreenFade(table, 1.0 - time / FADE_DURATION); - } - return; - } - } - - Com_Printf("Unable to find display to fade it\n"); -} - -void Sys_UnfadeScreens() -{ - CGDisplayCount displayIndex; - glwgamma_t *table; - NSTimeInterval start, current; - float time; - - if (!glConfig.deviceSupportsGamma) - return; - - Com_Printf("Unfading all displays\n"); - - start = [NSDate timeIntervalSinceReferenceDate]; - time = 0.0; - while (time != FADE_DURATION) { - current = [NSDate timeIntervalSinceReferenceDate]; - time = current - start; - if (time > FADE_DURATION) - time = FADE_DURATION; - - for (displayIndex = 0; displayIndex < glw_state.displayCount; displayIndex++) { - table = &glw_state.originalDisplayGammaTables[displayIndex]; - Sys_SetScreenFade(table, time / FADE_DURATION); - } - } -} - -void Sys_UnfadeScreen(CGDirectDisplayID display, glwgamma_t *table) -{ - CGDisplayCount displayIndex; - - if (!glConfig.deviceSupportsGamma) - return; - - Com_Printf("Unfading display 0x%08x\n", display); - - if (table) { - CGTableCount i; - - Com_Printf("Given table:\n"); - for (i = 0; i < table->tableSize; i++) { - Com_Printf(" %f %f %f\n", table->red[i], table->blue[i], table->green[i]); - } - } - - // Search for the original gamma table for the display - if (!table) { - for (displayIndex = 0; displayIndex < glw_state.displayCount; displayIndex++) { - if (display == glw_state.originalDisplayGammaTables[displayIndex].display) { - table = &glw_state.originalDisplayGammaTables[displayIndex]; - break; - } - } - } - - if (table) { - NSTimeInterval start, current; - float time; - - start = [NSDate timeIntervalSinceReferenceDate]; - time = 0.0; - - while (time != FADE_DURATION) { - current = [NSDate timeIntervalSinceReferenceDate]; - time = current - start; - if (time > FADE_DURATION) - time = FADE_DURATION; - Sys_SetScreenFade(table, time / FADE_DURATION); - } - return; - } - - Com_Printf("Unable to find display to unfade it\n"); -} - - - |