216 lines
7.6 KiB
C++
216 lines
7.6 KiB
C++
/*
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* Copyright (c) 2002-2004 LWJGL 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 'LWJGL' 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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/**
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* $Id$
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*
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* Mac OS X specific library for display handling.
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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*/
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#include <ApplicationServices/ApplicationServices.h>
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#include "org_lwjgl_Display.h"
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#include "common_tools.h"
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#include "tools.h"
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#define GAMMARAMP_LENGTH 256
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static CFDictionaryRef original_mode;
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static bool initialized = false;
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static bool display_captured = false;
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static void saveMode(JNIEnv *env, long width, long height, long bpp, long freq) {
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jclass display_class = env->FindClass("org/lwjgl/Display");
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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(display_class, "mode", "Lorg/lwjgl/DisplayMode;");
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env->SetStaticObjectField(display_class, fid_initialMode, newMode);
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}
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static void saveOriginalMode(JNIEnv *env) {
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long width;
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long height;
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long bpp;
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long freq;
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getDictLong(original_mode, kCGDisplayWidth, &width);
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getDictLong(original_mode, kCGDisplayHeight, &height);
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getDictLong(original_mode, kCGDisplayBitsPerPixel, &bpp);
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getDictLong(original_mode, kCGDisplayRefreshRate, &freq);
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saveMode(env, width, height, bpp, freq);
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}
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static void init(JNIEnv *env) {
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if (!initialized) {
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initialized = true;
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original_mode = CGDisplayCurrentMode(kCGDirectMainDisplay);
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saveOriginalMode(env);
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}
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}
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bool switchMode(JNIEnv *env, long width, long height, long bpp, long freq) {
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init(env);
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if (display_captured)
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return false;
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display_captured = true;
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CGDisplayCapture(kCGDirectMainDisplay);
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CFArrayRef modes = CGDisplayAvailableModes(kCGDirectMainDisplay);
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int size = CFArrayGetCount(modes);
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for (int i = 0; i < size; i++) {
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CFDictionaryRef mode = (CFDictionaryRef)CFArrayGetValueAtIndex(modes, i);
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long mode_width;
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long mode_height;
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long mode_bpp;
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long mode_freq;
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getDictLong(mode, kCGDisplayWidth, &mode_width);
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getDictLong(mode, kCGDisplayHeight, &mode_height);
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getDictLong(mode, kCGDisplayRefreshRate, &mode_freq);
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getDictLong(mode, kCGDisplayBitsPerPixel, &mode_bpp);
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if (width == mode_width && height == mode_height && bpp == mode_bpp && mode_freq == freq) {
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CGDisplayErr err = CGDisplaySwitchToMode(kCGDirectMainDisplay, mode);
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if (!err) {
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saveMode(env, width, height, bpp, freq);
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return true;
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}
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}
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}
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return false;
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}
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bool switchToNearestMode(JNIEnv *env, long width, long height, long bpp, long freq) {
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init(env);
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if (display_captured)
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return false;
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display_captured = true;
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CGDisplayCapture(kCGDirectMainDisplay);
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boolean_t match;
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CFDictionaryRef mode = CGDisplayBestModeForParametersAndRefreshRate(kCGDirectMainDisplay, bpp, width, height, freq, &match);
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if (mode == NULL)
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return false;
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CGDisplayErr err = CGDisplaySwitchToMode(kCGDirectMainDisplay, mode);
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if (!err) {
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saveMode(env, width, height, bpp, freq);
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return true;
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} else
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return false;
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}
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void resetMode(JNIEnv *env) {
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init(env);
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if (!display_captured)
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return;
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display_captured = false;
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CGDisplayRestoreColorSyncSettings();
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CGDisplaySwitchToMode(kCGDirectMainDisplay, original_mode);
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CGDisplayRelease(kCGDirectMainDisplay);
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saveOriginalMode(env);
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_init(JNIEnv * env, jclass clazz) {
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init(env);
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_setDisplayMode(JNIEnv * env, jclass clazz, jobject mode) {
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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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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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if (!switchMode(env, width, height, bpp, freq)) {
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throwException(env, "Could not switch mode.");
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}
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}
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JNIEXPORT jobjectArray JNICALL Java_org_lwjgl_Display_nGetAvailableDisplayModes(JNIEnv * env, jclass clazz) {
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CFArrayRef modes = CGDisplayAvailableModes(kCGDirectMainDisplay);
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int size = CFArrayGetCount(modes);
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int avail_modes = 0;
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for (int i = 0; i < size; i++) {
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CFDictionaryRef mode = (CFDictionaryRef)CFArrayGetValueAtIndex(modes, i);
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long bpp;
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getDictLong(mode, kCGDisplayBitsPerPixel, &bpp);
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if (bpp > 8)
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avail_modes++;
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}
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jclass displayModeClass = env->FindClass("org/lwjgl/DisplayMode");
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jobjectArray ret = env->NewObjectArray(avail_modes, displayModeClass, NULL);
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jmethodID displayModeConstructor = env->GetMethodID(displayModeClass, "<init>", "(IIII)V");
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int array_index = 0;
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for (int i = 0; i < size; i++) {
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CFDictionaryRef mode = (CFDictionaryRef)CFArrayGetValueAtIndex(modes, i);
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long width;
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long height;
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long bpp;
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long freq;
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getDictLong(mode, kCGDisplayWidth, &width);
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getDictLong(mode, kCGDisplayHeight, &height);
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getDictLong(mode, kCGDisplayBitsPerPixel, &bpp);
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getDictLong(mode, kCGDisplayRefreshRate, &freq);
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if (bpp > 8) {
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jobject displayMode = env->NewObject(displayModeClass, displayModeConstructor, width, height, bpp, freq);
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env->SetObjectArrayElement(ret, array_index++, displayMode);
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}
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}
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return ret;
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}
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JNIEXPORT jint JNICALL Java_org_lwjgl_Display_getGammaRampLength(JNIEnv *env, jclass clazz) {
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return GAMMARAMP_LENGTH;
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_setGammaRamp(JNIEnv *env, jclass clazz, jobject gamma_ramp_buffer) {
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const float *gamma_ramp = (const float *)env->GetDirectBufferAddress(gamma_ramp_buffer);
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CGDisplayErr err = CGSetDisplayTransferByTable(kCGDirectMainDisplay, GAMMARAMP_LENGTH, gamma_ramp, gamma_ramp, gamma_ramp);
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if (err) {
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throwException(env, "Could not set gamma.");
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}
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_Display_resetDisplayMode(JNIEnv *env, jclass clazz) {
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resetMode(env);
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}
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JNIEXPORT jstring JNICALL Java_org_lwjgl_Display_getAdapter(JNIEnv * , jclass) {
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return NULL;
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}
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JNIEXPORT jstring JNICALL Java_org_lwjgl_Display_getVersion(JNIEnv * , jclass) {
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return NULL;
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}
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