2004-06-12 16:28:34 -04:00
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/*
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* Copyright (c) 2002-2004 LWJGL Project
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2002-11-15 05:58:57 -05:00
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* All rights reserved.
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2004-06-12 16:28:34 -04:00
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*
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2002-11-15 05:58:57 -05:00
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* Redistribution and use in source and binary forms, with or without
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2004-06-12 16:28:34 -04:00
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* modification, are permitted provided that the following conditions are
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2002-11-15 05:58:57 -05:00
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* met:
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2004-06-12 16:28:34 -04:00
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*
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* * Redistributions of source code must retain the above copyright
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2002-11-15 05:58:57 -05:00
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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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2004-06-12 16:28:34 -04:00
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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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2002-11-15 05:58:57 -05:00
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* from this software without specific prior written permission.
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2004-06-12 16:28:34 -04:00
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*
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2002-11-15 05:58:57 -05:00
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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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2004-06-12 16:28:34 -04:00
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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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2002-11-15 05:58:57 -05:00
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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2004-06-12 16:28:34 -04:00
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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2002-11-15 05:58:57 -05:00
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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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2002-11-15 06:00:19 -05:00
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* $Id$
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2002-11-15 05:58:57 -05:00
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*
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2002-11-15 06:10:32 -05:00
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* Linux specific library for display handling.
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2002-11-15 05:58:57 -05:00
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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2002-11-15 06:00:19 -05:00
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* @version $Revision$
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2002-11-15 05:58:57 -05:00
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*/
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2002-11-15 05:40:55 -05:00
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#include <X11/X.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/xf86vmode.h>
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2004-08-21 16:31:24 -04:00
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#include <X11/extensions/Xrandr.h>
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2002-11-15 05:40:55 -05:00
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#include <X11/Xutil.h>
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#include <stdio.h>
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2002-12-22 15:58:25 -05:00
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#include <stdlib.h>
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2003-05-27 10:12:10 -04:00
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#include <math.h>
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2004-07-02 15:02:00 -04:00
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#include "display.h"
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2003-10-23 03:18:07 -04:00
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#include "common_tools.h"
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2004-04-07 03:46:03 -04:00
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#include "Window.h"
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2005-11-21 08:22:52 -05:00
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#include "org_lwjgl_opengl_LinuxDisplay.h"
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2002-11-15 05:40:55 -05:00
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2005-09-12 09:05:54 -04:00
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#define NUM_XRANDR_RETRIES 5
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2004-08-21 16:31:24 -04:00
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typedef struct {
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int width;
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int height;
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int freq;
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union {
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2004-08-23 04:46:35 -04:00
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int size_index; // Data for Xrandr extension
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XF86VidModeModeInfo xf86vm_modeinfo; // Data for XF86VidMode extension
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2004-08-21 16:31:24 -04:00
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} mode_data;
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} mode_info;
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2004-12-11 15:09:04 -05:00
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static bool getXF86VidModeVersion(JNIEnv *env, Display *disp, int *major, int *minor) {
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2003-05-27 10:12:10 -04:00
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int event_base, error_base;
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2004-05-05 10:28:40 -04:00
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2002-11-15 05:40:55 -05:00
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if (!XF86VidModeQueryExtension(disp, &event_base, &error_base)) {
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2005-11-22 08:53:13 -05:00
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throwException(env, "XF86VidMode extension not available");
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2003-05-27 10:12:10 -04:00
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return false;
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2002-11-15 05:40:55 -05:00
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}
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2003-05-30 10:44:45 -04:00
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if (!XF86VidModeQueryVersion(disp, major, minor)) {
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2005-11-22 08:53:13 -05:00
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throwException(env, "Could not query XF86VidMode version");
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2003-05-30 10:44:45 -04:00
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return false;
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}
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2004-12-11 15:09:04 -05:00
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printfDebugJava(env, "XF86VidMode extension version %i.%i", *major, *minor);
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2003-05-27 10:12:10 -04:00
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return true;
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}
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2004-12-11 15:09:04 -05:00
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static bool getXrandrVersion(JNIEnv *env, Display *disp, int *major, int *minor) {
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2004-08-21 16:31:24 -04:00
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int event_base, error_base;
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if (!XRRQueryExtension(disp, &event_base, &error_base)) {
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2005-11-22 08:53:13 -05:00
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throwException(env, "Xrandr extension not available");
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2004-08-21 16:31:24 -04:00
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return false;
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}
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if (!XRRQueryVersion(disp, major, minor)) {
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2005-11-22 08:53:13 -05:00
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throwException(env, "Could not query Xrandr version");
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2004-08-21 16:31:24 -04:00
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return false;
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}
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2004-12-11 15:09:04 -05:00
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printfDebugJava(env, "Xrandr extension version %i.%i", *major, *minor);
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2004-08-21 16:31:24 -04:00
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return true;
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}
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2004-12-11 15:09:04 -05:00
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static bool isXrandrSupported(JNIEnv *env, Display *disp) {
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2004-08-21 16:31:24 -04:00
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int major, minor;
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2004-12-11 15:09:04 -05:00
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if (!getXrandrVersion(env, disp, &major, &minor))
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2004-08-21 16:31:24 -04:00
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return false;
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return major >= 1;
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}
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2004-12-11 15:09:04 -05:00
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static bool isXF86VidModeSupported(JNIEnv *env, Display *disp) {
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2003-05-27 10:12:10 -04:00
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int minor_ver, major_ver;
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2004-12-11 15:09:04 -05:00
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if (!getXF86VidModeVersion(env, disp, &major_ver, &minor_ver))
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2003-05-27 10:12:10 -04:00
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return false;
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2004-08-21 16:31:24 -04:00
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return major_ver >= 2;
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}
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2005-11-22 08:53:13 -05:00
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nIsXrandrSupported(JNIEnv *env, jclass unused) {
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2005-11-21 08:32:52 -05:00
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jboolean result = isXrandrSupported(env, getDisplay()) ? JNI_TRUE : JNI_FALSE;
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2005-11-21 08:22:52 -05:00
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return result;
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}
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2005-11-22 08:53:13 -05:00
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JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nIsXF86VidModeSupported(JNIEnv *env, jclass unused) {
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2005-11-21 08:32:52 -05:00
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jboolean result = isXF86VidModeSupported(env, getDisplay()) ? JNI_TRUE : JNI_FALSE;
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2005-11-21 08:22:52 -05:00
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return result;
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2004-08-21 16:31:24 -04:00
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}
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static mode_info *getXrandrDisplayModes(Display *disp, int screen, int *num_modes) {
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int num_randr_sizes;
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XRRScreenSize *sizes = XRRSizes(disp, screen, &num_randr_sizes);
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2005-01-16 05:43:30 -05:00
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mode_info *avail_modes = NULL;
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int list_size = 0;
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2004-08-21 16:31:24 -04:00
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/* Count number of modes */
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2004-09-10 04:13:56 -04:00
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int i;
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2005-01-16 05:43:30 -05:00
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int mode_index = 0;
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2004-09-10 04:13:56 -04:00
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for (i = 0; i < num_randr_sizes; i++) {
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2004-08-21 16:31:24 -04:00
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int num_randr_rates;
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short *freqs = XRRRates(disp, screen, i, &num_randr_rates);
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2004-09-10 04:13:56 -04:00
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int j;
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for (j = 0; j < num_randr_rates; j++) {
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2005-01-16 05:43:30 -05:00
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if (list_size <= mode_index) {
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list_size += 1;
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avail_modes = (mode_info *)realloc(avail_modes, sizeof(mode_info)*list_size);
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if (avail_modes == NULL)
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return NULL;
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}
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avail_modes[mode_index].width = sizes[i].width;
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avail_modes[mode_index].height = sizes[i].height;
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avail_modes[mode_index].freq = freqs[j];
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avail_modes[mode_index].mode_data.size_index = i;
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mode_index++;
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2004-08-21 16:31:24 -04:00
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}
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}
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2005-01-16 05:43:30 -05:00
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*num_modes = mode_index;
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2004-08-21 16:31:24 -04:00
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return avail_modes;
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}
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static mode_info *getXF86VidModeDisplayModes(Display *disp, int screen, int *num_modes) {
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int num_xf86vm_modes;
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XF86VidModeModeInfo **avail_xf86vm_modes;
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XF86VidModeGetAllModeLines(disp, screen, &num_xf86vm_modes, &avail_xf86vm_modes);
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mode_info *avail_modes = (mode_info *)malloc(sizeof(mode_info)*num_xf86vm_modes);
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if (avail_modes == NULL) {
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XFree(avail_xf86vm_modes);
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return NULL;
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}
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2004-09-10 04:13:56 -04:00
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int i;
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for (i = 0; i < num_xf86vm_modes; i++) {
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2004-08-21 16:31:24 -04:00
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avail_modes[i].width = avail_xf86vm_modes[i]->hdisplay;
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avail_modes[i].height = avail_xf86vm_modes[i]->vdisplay;
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avail_modes[i].freq = 0; // No frequency support in XF86VidMode
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avail_modes[i].mode_data.xf86vm_modeinfo = *avail_xf86vm_modes[i];
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}
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XFree(avail_xf86vm_modes);
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*num_modes = num_xf86vm_modes;
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return avail_modes;
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}
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2005-11-21 08:22:52 -05:00
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static mode_info *getDisplayModes(Display *disp, int screen, jint extension, int *num_modes) {
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switch (extension) {
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case org_lwjgl_opengl_LinuxDisplay_XF86VIDMODE:
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2004-08-21 16:31:24 -04:00
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return getXF86VidModeDisplayModes(disp, screen, num_modes);
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2005-11-21 08:22:52 -05:00
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case org_lwjgl_opengl_LinuxDisplay_XRANDR:
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2004-08-21 16:31:24 -04:00
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return getXrandrDisplayModes(disp, screen, num_modes);
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2005-11-21 08:22:52 -05:00
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case org_lwjgl_opengl_LinuxDisplay_NONE:
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2004-08-21 16:31:24 -04:00
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// fall through
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default:
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return NULL;
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}
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}
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static bool setXF86VidModeMode(Display *disp, int screen, mode_info *mode) {
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return True == XF86VidModeSwitchToMode(disp, screen, &mode->mode_data.xf86vm_modeinfo);
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}
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2005-08-21 16:27:20 -04:00
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/* Try to set the mode specified through XRandR.
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* Return value is the Status code of the mode switch
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* The timestamp parameter is filled with the latest timestamp returned from XRRConfigTimes
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*/
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static Status trySetXrandrMode(Display *disp, int screen, mode_info *mode, Time *timestamp) {
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Status status;
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Drawable root_window = RootWindow(disp, screen);
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2005-11-21 16:59:11 -05:00
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XRRScreenConfiguration *screen_configuration = XRRGetScreenInfo(disp, root_window);
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2005-11-21 17:37:14 -05:00
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Time config_time;
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*timestamp = XRRConfigTimes(screen_configuration, &config_time);
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2005-08-21 16:27:20 -04:00
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Rotation current_rotation;
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XRRConfigRotations(screen_configuration, ¤t_rotation);
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status = XRRSetScreenConfigAndRate(disp, screen_configuration, root_window, mode->mode_data.size_index, current_rotation, mode->freq, *timestamp);
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XRRFreeScreenConfigInfo(screen_configuration);
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return status;
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}
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2004-08-21 16:31:24 -04:00
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static bool setXrandrMode(Display *disp, int screen, mode_info *mode) {
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2005-09-12 09:05:54 -04:00
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int iteration;
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2005-08-21 16:27:20 -04:00
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Time timestamp;
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Status status = trySetXrandrMode(disp, screen, mode, ×tamp);
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if (status == 0)
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return true; // Success
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Time new_timestamp;
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2005-09-12 09:05:54 -04:00
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for (iteration = 0; iteration < NUM_XRANDR_RETRIES; iteration++) {
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2005-08-21 16:27:20 -04:00
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status = trySetXrandrMode(disp, screen, mode, &new_timestamp);
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if (status == 0)
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return true; // Success
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2005-11-21 16:59:11 -05:00
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if (new_timestamp == timestamp) {
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2005-08-21 16:27:20 -04:00
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return false; // Failure, and the stamps are equal meaning that the failure is not merely transient
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2005-11-21 16:59:11 -05:00
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}
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2005-08-21 16:27:20 -04:00
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timestamp = new_timestamp;
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}
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2005-09-12 09:05:54 -04:00
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return false;
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2002-11-15 05:40:55 -05:00
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}
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2005-11-22 06:23:37 -05:00
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static bool setMode(JNIEnv *env, Display *disp, int screen, jint extension, int width, int height, int freq) {
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2004-07-22 04:52:25 -04:00
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int num_modes, i;
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2005-11-21 08:22:52 -05:00
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mode_info *avail_modes = getDisplayModes(disp, screen, extension, &num_modes);
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2005-11-21 05:45:59 -05:00
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if (avail_modes == NULL) {
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2004-12-11 15:09:04 -05:00
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printfDebugJava(env, "Could not get display modes");
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2003-03-30 14:26:39 -05:00
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return false;
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2002-11-15 05:40:55 -05:00
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}
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2004-08-21 16:31:24 -04:00
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bool result = false;
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2005-11-21 17:37:14 -05:00
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for (i = 0; i < num_modes; ++i) {
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2004-12-11 15:09:04 -05:00
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printfDebugJava(env, "Mode %d: %dx%d @%d", i, avail_modes[i].width, avail_modes[i].height, avail_modes[i].freq);
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2004-08-21 16:31:24 -04:00
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if (avail_modes[i].width == width && avail_modes[i].height == height && avail_modes[i].freq == freq) {
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2005-11-21 08:22:52 -05:00
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switch (extension) {
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case org_lwjgl_opengl_LinuxDisplay_XF86VIDMODE:
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2004-08-21 16:31:24 -04:00
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if (!setXF86VidModeMode(disp, screen, &avail_modes[i])) {
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2004-12-11 15:09:04 -05:00
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printfDebugJava(env, "Could not switch mode");
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2004-08-21 16:31:24 -04:00
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continue;
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}
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break;
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2005-11-21 08:22:52 -05:00
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case org_lwjgl_opengl_LinuxDisplay_XRANDR:
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2004-08-21 16:31:24 -04:00
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if (!setXrandrMode(disp, screen, &avail_modes[i])) {
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2004-12-11 15:09:04 -05:00
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printfDebugJava(env, "Could not switch mode");
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2004-08-21 16:31:24 -04:00
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continue;
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}
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break;
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2005-11-21 08:22:52 -05:00
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case org_lwjgl_opengl_LinuxDisplay_NONE: // Should never happen, since NONE imply no available display modes
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2004-08-21 16:31:24 -04:00
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default: // Should never happen
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continue;
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2002-11-15 05:40:55 -05:00
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}
|
2004-08-21 16:31:24 -04:00
|
|
|
result = true;
|
|
|
|
break;
|
2002-11-15 05:40:55 -05:00
|
|
|
}
|
|
|
|
}
|
2004-08-21 16:31:24 -04:00
|
|
|
free(avail_modes);
|
2004-07-21 17:51:37 -04:00
|
|
|
XFlush(disp);
|
2004-08-21 16:31:24 -04:00
|
|
|
return result;
|
2002-11-15 05:40:55 -05:00
|
|
|
}
|
|
|
|
|
2005-11-21 16:59:11 -05:00
|
|
|
static int getGammaRampLengthOfDisplay(JNIEnv *env, Display *disp, int screen) {
|
2004-08-21 16:31:24 -04:00
|
|
|
int ramp_size;
|
2003-05-27 10:12:10 -04:00
|
|
|
if (XF86VidModeGetGammaRampSize(disp, screen, &ramp_size) == False) {
|
2005-11-22 08:53:13 -05:00
|
|
|
throwException(env, "XF86VidModeGetGammaRampSize call failed");
|
2003-05-27 10:12:10 -04:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return ramp_size;
|
|
|
|
}
|
|
|
|
|
2005-11-21 11:32:34 -05:00
|
|
|
JNIEXPORT jobject JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nConvertToNativeRamp(JNIEnv *env, jclass unused, jobject ramp_buffer, jint buffer_offset, jint length) {
|
|
|
|
const jfloat *ramp_ptr = (const jfloat *)(*env)->GetDirectBufferAddress(env, ramp_buffer) + buffer_offset;
|
|
|
|
jobject native_ramp = newJavaManagedByteBuffer(env, length*3*sizeof(unsigned short));
|
|
|
|
if (native_ramp == NULL) {
|
|
|
|
throwException(env, "Failed to allocate gamma ramp buffer");
|
|
|
|
return NULL;
|
2004-08-23 04:46:35 -04:00
|
|
|
}
|
2005-11-21 11:32:34 -05:00
|
|
|
unsigned short *native_ramp_ptr = (unsigned short *)(*env)->GetDirectBufferAddress(env, native_ramp);
|
|
|
|
int i;
|
|
|
|
for (i = 0; i < length; i++) {
|
|
|
|
float scaled_gamma = ramp_ptr[i]*0xffff;
|
2005-11-23 10:10:05 -05:00
|
|
|
short scaled_gamma_short = (unsigned short)roundf(scaled_gamma);
|
2005-11-21 11:32:34 -05:00
|
|
|
native_ramp_ptr[i] = scaled_gamma_short;
|
|
|
|
native_ramp_ptr[i + length] = scaled_gamma_short;
|
|
|
|
native_ramp_ptr[i + length*2] = scaled_gamma_short;
|
|
|
|
}
|
|
|
|
return native_ramp;
|
2004-08-23 04:46:35 -04:00
|
|
|
}
|
|
|
|
|
2005-11-21 11:32:34 -05:00
|
|
|
JNIEXPORT jobject JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nGetCurrentGammaRamp(JNIEnv *env, jclass unused) {
|
|
|
|
int ramp_size = getGammaRampLengthOfDisplay(env, getDisplay(), getCurrentScreen());
|
|
|
|
jobject ramp_buffer = newJavaManagedByteBuffer(env, sizeof(unsigned short)*3*ramp_size);
|
|
|
|
if (ramp_buffer == NULL) {
|
|
|
|
throwException(env, "Could not allocate gamma ramp buffer");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
unsigned short *ramp = (unsigned short *)(*env)->GetDirectBufferAddress(env, ramp_buffer);
|
|
|
|
if (!XF86VidModeGetGammaRamp(getDisplay(), getCurrentScreen(), ramp_size, ramp,
|
|
|
|
ramp + ramp_size, ramp + ramp_size*2)) {
|
|
|
|
throwException(env, "Could not get the current gamma ramp");
|
|
|
|
return NULL;
|
2004-09-22 15:25:16 -04:00
|
|
|
}
|
2005-11-21 11:32:34 -05:00
|
|
|
return ramp_buffer;
|
2004-09-22 15:25:16 -04:00
|
|
|
}
|
|
|
|
|
2005-11-21 17:21:29 -05:00
|
|
|
static void setGamma(JNIEnv *env, Display *disp, int screen, jobject ramp_buffer) {
|
2005-11-22 08:53:13 -05:00
|
|
|
if (ramp_buffer == NULL)
|
|
|
|
return;
|
2005-11-21 11:32:34 -05:00
|
|
|
unsigned short *ramp_ptr = (unsigned short *)(*env)->GetDirectBufferAddress(env, ramp_buffer);
|
|
|
|
jlong capacity = (*env)->GetDirectBufferCapacity(env, ramp_buffer);
|
|
|
|
int size = capacity/(sizeof(unsigned short)*3);
|
|
|
|
if (size == 0)
|
2004-08-23 04:46:35 -04:00
|
|
|
return;
|
2005-11-21 11:32:34 -05:00
|
|
|
if (XF86VidModeSetGammaRamp(disp, screen, size, ramp_ptr, ramp_ptr + size, ramp_ptr + size*2) == False) {
|
2005-11-21 17:21:29 -05:00
|
|
|
throwException(env, "Could not set gamma ramp.");
|
2004-08-23 04:46:35 -04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-11-22 08:53:13 -05:00
|
|
|
void setGammaRamp(JNIEnv *env, int screen, jobject gamma_ramp_buffer) {
|
2005-11-21 16:59:11 -05:00
|
|
|
Display * disp = XOpenDisplay(NULL);
|
|
|
|
if (disp == NULL) {
|
2005-11-21 17:21:29 -05:00
|
|
|
throwException(env, "Could not open display");
|
2005-11-21 16:59:11 -05:00
|
|
|
return;
|
|
|
|
}
|
2005-11-21 17:21:29 -05:00
|
|
|
setGamma(env, disp, screen, gamma_ramp_buffer);
|
2005-11-21 16:59:11 -05:00
|
|
|
XCloseDisplay(disp);
|
|
|
|
}
|
|
|
|
|
2005-11-22 08:53:13 -05:00
|
|
|
bool switchDisplayMode(JNIEnv * env, int screen, jint extension, jobject mode) {
|
2004-02-11 06:25:19 -05:00
|
|
|
if (mode == NULL) {
|
2005-11-21 17:21:29 -05:00
|
|
|
throwException(env, "mode must be non-null");
|
2005-11-21 16:59:11 -05:00
|
|
|
return false;
|
2004-02-11 06:25:19 -05:00
|
|
|
}
|
2004-09-10 04:13:56 -04:00
|
|
|
jclass cls_displayMode = (*env)->GetObjectClass(env, mode);
|
|
|
|
jfieldID fid_width = (*env)->GetFieldID(env, cls_displayMode, "width", "I");
|
|
|
|
jfieldID fid_height = (*env)->GetFieldID(env, cls_displayMode, "height", "I");
|
|
|
|
jfieldID fid_freq = (*env)->GetFieldID(env, cls_displayMode, "freq", "I");
|
|
|
|
int width = (*env)->GetIntField(env, mode, fid_width);
|
|
|
|
int height = (*env)->GetIntField(env, mode, fid_height);
|
|
|
|
int freq = (*env)->GetIntField(env, mode, fid_freq);
|
2004-07-21 17:51:37 -04:00
|
|
|
Display *disp = XOpenDisplay(NULL);
|
|
|
|
if (disp == NULL) {
|
2005-11-21 17:21:29 -05:00
|
|
|
throwException(env, "Could not open display");
|
2005-11-21 16:59:11 -05:00
|
|
|
return false;
|
|
|
|
}
|
2005-11-22 06:23:37 -05:00
|
|
|
if (!setMode(env, disp, screen, extension, width, height, freq)) {
|
2005-11-21 16:59:11 -05:00
|
|
|
XCloseDisplay(disp);
|
2005-11-21 17:21:29 -05:00
|
|
|
throwException(env, "Could not switch mode.");
|
2005-11-21 16:59:11 -05:00
|
|
|
return false;
|
2004-07-21 17:51:37 -04:00
|
|
|
}
|
|
|
|
XCloseDisplay(disp);
|
2005-11-21 16:59:11 -05:00
|
|
|
return true;
|
2003-03-30 14:26:39 -05:00
|
|
|
}
|
|
|
|
|
2005-11-21 16:59:11 -05:00
|
|
|
static jobjectArray getAvailableDisplayModes(JNIEnv * env, Display *disp, int screen, jint extension) {
|
2002-11-15 05:40:55 -05:00
|
|
|
int num_modes, i;
|
2004-08-21 16:31:24 -04:00
|
|
|
mode_info *avail_modes;
|
2003-03-19 07:41:28 -05:00
|
|
|
int bpp = XDefaultDepth(disp, screen);
|
2005-11-21 08:22:52 -05:00
|
|
|
avail_modes = getDisplayModes(disp, screen, extension, &num_modes);
|
2004-08-21 16:31:24 -04:00
|
|
|
if (avail_modes == NULL) {
|
2004-12-11 15:09:04 -05:00
|
|
|
printfDebugJava(env, "Could not get display modes");
|
2004-07-21 17:51:37 -04:00
|
|
|
XCloseDisplay(disp);
|
2002-11-15 05:40:55 -05:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
// Allocate an array of DisplayModes big enough
|
2004-09-10 04:13:56 -04:00
|
|
|
jclass displayModeClass = (*env)->FindClass(env, "org/lwjgl/opengl/DisplayMode");
|
|
|
|
jobjectArray ret = (*env)->NewObjectArray(env, num_modes, displayModeClass, NULL);
|
|
|
|
jmethodID displayModeConstructor = (*env)->GetMethodID(env, displayModeClass, "<init>", "(IIII)V");
|
2004-05-05 10:28:40 -04:00
|
|
|
|
2002-11-15 05:40:55 -05:00
|
|
|
for (i = 0; i < num_modes; i++) {
|
2004-09-10 04:13:56 -04:00
|
|
|
jobject displayMode = (*env)->NewObject(env, displayModeClass, displayModeConstructor, avail_modes[i].width, avail_modes[i].height, bpp, avail_modes[i].freq);
|
|
|
|
(*env)->SetObjectArrayElement(env, ret, i, displayMode);
|
2002-11-15 05:40:55 -05:00
|
|
|
}
|
2004-08-21 16:31:24 -04:00
|
|
|
free(avail_modes);
|
2002-11-15 05:40:55 -05:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2005-11-21 13:25:30 -05:00
|
|
|
JNIEXPORT jobjectArray JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nGetAvailableDisplayModes(JNIEnv *env, jclass clazz, jint extension) {
|
|
|
|
return getAvailableDisplayModes(env, getDisplay(), getCurrentScreen(), extension);
|
|
|
|
}
|
|
|
|
|
|
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nSwitchDisplayMode(JNIEnv *env, jclass clazz, jint extension, jobject mode) {
|
2005-11-22 06:23:37 -05:00
|
|
|
switchDisplayMode(env, getCurrentScreen(), extension, mode);
|
2005-11-21 13:25:30 -05:00
|
|
|
}
|
|
|
|
|
|
|
|
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nGetGammaRampLength(JNIEnv *env, jclass clazz) {
|
|
|
|
return (jint)getGammaRampLengthOfDisplay(env, getDisplay(), getCurrentScreen());
|
|
|
|
}
|
|
|
|
|
|
|
|
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_LinuxDisplay_nSetGammaRamp(JNIEnv *env, jclass clazz, jobject gamma_buffer) {
|
2005-11-22 06:23:37 -05:00
|
|
|
setGammaRamp(env, getCurrentScreen(), gamma_buffer);
|
2005-11-21 13:25:30 -05:00
|
|
|
}
|
|
|
|
|