2002-09-03 00:57:24 -04:00
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/*
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* Copyright (c) 2002 Light Weight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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2002-12-31 22:58:44 -05:00
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2002-09-03 00:57:24 -04:00
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#include "org_lwjgl_Display.h"
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2002-12-31 22:58:44 -05:00
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#include <JavaVM/jni.h>
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2003-05-10 00:50:24 -04:00
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#include <ApplicationServices/ApplicationServices.h>
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#include <OpenGL/OpenGL.h>
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2002-09-03 00:57:24 -04:00
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2003-05-10 00:50:24 -04:00
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bool modeSet = false;
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2002-09-03 00:57:24 -04:00
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2003-05-10 00:50:24 -04:00
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static long _getDictLong (CFDictionaryRef refDict, CFStringRef key)
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{
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long int_value;
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CFNumberRef number_value = (CFNumberRef) CFDictionaryGetValue(refDict, key);
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if (!number_value)
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{
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// if can't get a number for the dictionary
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return -1; // fail
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}
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if (!CFNumberGetValue(number_value, kCFNumberLongType, &int_value))
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{
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// or if cant convert it
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return -1; // fail
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}
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return int_value; // otherwise return the long value
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}
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static double _getDictDouble (CFDictionaryRef refDict, CFStringRef key)
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{
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double double_value;
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CFNumberRef number_value = (CFNumberRef) CFDictionaryGetValue(refDict, key);
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if (!number_value)
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{
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// if can't get a number for the dictionary
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return -1; // fail
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}
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if (!CFNumberGetValue(number_value, kCFNumberDoubleType, &double_value)) // or if cant convert it
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{
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return -1; // fail
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}
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return double_value; // otherwise return the long value
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}
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jobjectArray GetAvailableDisplayModesOSX(JNIEnv * env)
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2002-09-03 00:57:24 -04:00
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{
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2003-05-10 00:50:24 -04:00
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CFIndex i, count, availableModes;
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CFArrayRef displayModes = NULL;
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int n = 0;
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2003-01-30 13:56:56 -05:00
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2003-05-10 00:50:24 -04:00
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displayModes = CGDisplayAvailableModes( kCGDirectMainDisplay );
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count = CFArrayGetCount( displayModes );
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2003-01-30 13:56:56 -05:00
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2003-05-10 00:50:24 -04:00
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printf("Found %d displaymodes\n", count );
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2003-05-10 00:50:24 -04:00
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// get a count of the number of display modes on this machine with a bpp greater than 8
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//
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for ( i = 0; i < count; i++ )
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{
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CFDictionaryRef modeDict = CFArrayGetValueAtIndex( displayModes, i );
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long bpp = _getDictLong( modeDict, kCGDisplayBitsPerPixel );
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2003-01-30 13:56:56 -05:00
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2003-05-10 00:50:24 -04:00
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if ( bpp > 8 )
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{
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availableModes ++;
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}
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}
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// now that we have the count create the classes, and add 'em all - we'll remove dups in Java
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// Allocate an array of DisplayModes big enough
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jclass displayModeClass = env->FindClass("org/lwjgl/DisplayMode");
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2003-05-07 20:53:10 -04:00
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2003-05-10 00:50:24 -04:00
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jobjectArray ret = env->NewObjectArray( availableModes, displayModeClass, NULL);
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jmethodID displayModeConstructor = env->GetMethodID(displayModeClass, "<init>", "(IIII)V");
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for ( i = 0; i < count; i++ )
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{
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CFDictionaryRef modeDict = CFArrayGetValueAtIndex( displayModes, i );
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long width = _getDictLong( modeDict, kCGDisplayWidth );
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long height = _getDictLong( modeDict, kCGDisplayHeight );
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long freq = (long)(_getDictDouble( modeDict, kCGDisplayRefreshRate ) + 0.5 );
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long bpp = _getDictLong( modeDict, kCGDisplayBitsPerPixel );
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2003-05-07 20:53:10 -04:00
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2003-05-10 00:50:24 -04:00
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if ( bpp > 8 )
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{
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jobject displayMode;
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displayMode = env->NewObject(displayModeClass, displayModeConstructor,
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width, height,
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bpp, freq);
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2003-05-07 20:53:10 -04:00
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2003-05-10 00:50:24 -04:00
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env->SetObjectArrayElement(ret, n++, displayMode);
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}
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}
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return ret;
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2002-09-03 00:57:24 -04:00
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}
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2003-05-10 00:50:24 -04:00
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2002-09-03 00:57:24 -04:00
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/*
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* Class: org_lwjgl_Display
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2003-05-10 00:50:24 -04:00
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* Method: init
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* Signature: ()V
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2002-09-03 00:57:24 -04:00
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*/
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2003-05-10 00:50:24 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_init
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(JNIEnv * env, jclass clazz)
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2002-09-03 00:57:24 -04:00
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{
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2003-05-10 00:50:24 -04:00
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//TODO Get the current display mode from the system
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//
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int width = 640;
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int height = 480;
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int bpp = 32;
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int freq = 60;
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jclass jclass_DisplayMode = env->FindClass("org/lwjgl/DisplayMode");
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jmethodID ctor = env->GetMethodID(jclass_DisplayMode, "<init>", "(IIII)V");
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jobject newMode = env->NewObject(jclass_DisplayMode, ctor, width, height, bpp, freq);
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jfieldID fid_initialMode = env->GetStaticFieldID(clazz, "mode", "Lorg/lwjgl/DisplayMode;");
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env->SetStaticObjectField(clazz, fid_initialMode, newMode);
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env->DeleteLocalRef(newMode);
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}
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2002-09-08 02:19:21 -04:00
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2003-05-10 00:50:24 -04:00
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/*
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* Class: org_lwjgl_Display
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* Method: setDisplayMode
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* Signature: (Lorg/lwjgl/DisplayMode;)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_setDisplayMode
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(JNIEnv * env, jclass clazz, jobject mode)
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{
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jclass cls_displayMode = env->FindClass("org/lwjgl/DisplayMode");
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jfieldID fid_width = env->GetFieldID(cls_displayMode, "width", "I");
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jfieldID fid_height = env->GetFieldID(cls_displayMode, "height", "I");
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jfieldID fid_bpp = env->GetFieldID(cls_displayMode, "bpp", "I");
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jfieldID fid_freq = env->GetFieldID(cls_displayMode, "freq", "I");
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2002-12-30 02:09:35 -05:00
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2003-05-10 00:50:24 -04:00
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int width = env->GetIntField(mode, fid_width);
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int height = env->GetIntField(mode, fid_height);
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int bpp = env->GetIntField(mode, fid_bpp);
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int freq = env->GetIntField(mode, fid_freq);
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2002-09-03 00:57:24 -04:00
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2003-05-10 00:50:24 -04:00
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CFDictionaryRef displayMode;
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displayMode = CGDisplayBestModeForParametersAndRefreshRate( kCGDirectMainDisplay,
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bpp,
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width, height,
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freq,
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NULL );
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CGDisplaySwitchToMode( kCGDirectMainDisplay, displayMode ) ;
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// The change was successful but might not be the exact change we were expecting.
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// Now we'll construct a new DisplayMode instance and stash it back in the Display
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// class's mode instance variable.
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2002-09-03 00:57:24 -04:00
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2003-05-10 00:50:24 -04:00
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jmethodID ctor = env->GetMethodID(cls_displayMode, "<init>", "(IIII)V");
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jobject newMode = env->NewObject(cls_displayMode, ctor, width, height, bpp, freq);
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jfieldID fid_initialMode = env->GetStaticFieldID(clazz, "mode", "Lorg/lwjgl/DisplayMode;");
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env->SetStaticObjectField(clazz, fid_initialMode, newMode);
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env->DeleteLocalRef(newMode);
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modeSet = true;
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2003-01-30 13:56:56 -05:00
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2002-09-03 00:57:24 -04:00
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}
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/*
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* Class: org_lwjgl_Display
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2003-05-10 00:50:24 -04:00
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* Method: resetDisplayMode
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2002-09-03 00:57:24 -04:00
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* Signature: ()V
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*/
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2003-05-10 00:50:24 -04:00
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_resetDisplayMode
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(JNIEnv *, jclass)
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{
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// the purpose of this method is to return the display mode to whatever it was before
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// the application takes over. OSX is smart enough to not require any of this
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// foolishness :)
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}
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/*
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* Class: org_lwjgl_Display
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* Method: nGetAvailableDisplayModes
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* Signature: ()[Lorg/lwjgl/DisplayMode;
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*/
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JNIEXPORT jobjectArray JNICALL Java_org_lwjgl_Display_nGetAvailableDisplayModes
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(JNIEnv * env, jclass clazz)
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{
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return GetAvailableDisplayModesOSX( env );
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}
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/*
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* Class: org_lwjgl_Display
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* Method: getPlatform
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* Signature: ()I
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*/
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JNIEXPORT jint JNICALL Java_org_lwjgl_Display_getPlatform
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(JNIEnv * env, jclass clazz)
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2002-09-03 00:57:24 -04:00
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{
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2003-05-10 00:50:24 -04:00
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return org_lwjgl_Display_PLATFORM_AGL;
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2002-09-03 00:57:24 -04:00
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}
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2002-09-03 01:53:05 -04:00
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2003-05-10 00:50:24 -04:00
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/*
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* Class: org_lwjgl_Display
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* Method: getGammaRamp
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* Signature: ([I[I[I)Z
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*/
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_getGammaRamp
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(JNIEnv *, jclass, jintArray, jintArray, jintArray)
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{
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return false;
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}
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/*
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* Class: org_lwjgl_Display
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* Method: setGammaRamp
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* Signature: ([I[I[I)Z
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*/
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_Display_setGammaRamp
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(JNIEnv *, jclass, jintArray, jintArray, jintArray)
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{
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return false;
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}
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2002-09-03 01:53:05 -04:00
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