lwjgl/src/native/linux/org_lwjgl_opengl_Display.cpp

744 lines
23 KiB
C++

/*
* Copyright (c) 2002-2004 LWJGL Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'LWJGL' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* $Id$
*
* Linux specific display functions.
*
* @author elias_naur <elias_naur@users.sourceforge.net>
* @version $Revision$
*/
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <jni.h>
#include "common_tools.h"
#include "extgl.h"
#include "extgl_glx.h"
#include "Window.h"
#include "display.h"
#include "org_lwjgl_opengl_Display.h"
#define USEGLX13 extgl_Extensions.GLX13
#define ERR_MSG_SIZE 1024
static GLXContext context = NULL; // OpenGL rendering context
static GLXWindow glx_window;
static XVisualInfo * vis_info;
static GLXFBConfig *configs;
static Atom delete_atom;
static Colormap cmap;
static Window current_win;
static int current_screen;
static bool current_fullscreen;
static int current_height;
static int current_width;
static bool input_released;
static bool dirty;
static bool vsync_enabled;
static bool minimized;
static bool focused;
static bool closerequested;
static bool grab;
static bool ignore_motion_events;
static Display *display_connection = NULL;
static Atom warp_atom;
static int display_connection_usage = 0;
static bool async_x_error;
static char error_message[ERR_MSG_SIZE];
bool checkXError(JNIEnv *env) {
XSync(getDisplay(), False);
if (async_x_error) {
async_x_error = false;
throwException(env, error_message);
return false;
} else
return true;
}
static int errorHandler(Display *disp, XErrorEvent *error) {
char err_msg_buffer[ERR_MSG_SIZE];
XGetErrorText(disp, error->error_code, err_msg_buffer, ERR_MSG_SIZE);
err_msg_buffer[ERR_MSG_SIZE - 1] = '\0';
snprintf(error_message, ERR_MSG_SIZE, "X Error - serial: %d, error_code: %s, request_code: %d, minor_code: %d", (int)error->serial, err_msg_buffer, (int)error->request_code, (int)error->minor_code);
error_message[ERR_MSG_SIZE - 1] = '\0';
async_x_error = true;
return 0;
}
Display *getDisplay(void) {
return display_connection;
}
Display *incDisplay(JNIEnv *env) {
if (display_connection_usage == 0) {
async_x_error = false;
XSetErrorHandler(errorHandler);
display_connection = XOpenDisplay(NULL);
if (display_connection == NULL) {
throwException(env, "Could not open X display");
return NULL;
}
warp_atom = XInternAtom(getDisplay(), "ignore_warp_atom", False);
}
display_connection_usage++;
return display_connection;
}
Atom getWarpAtom(void) {
return warp_atom;
}
void decDisplay(void) {
display_connection_usage--;
if (display_connection_usage == 0)
XCloseDisplay(display_connection);
}
static void waitMapped(Window win) {
XEvent event;
do {
XMaskEvent(getDisplay(), StructureNotifyMask, &event);
} while ((event.type != MapNotify) || (event.xmap.event != win));
}
static void updateInputGrab(void) {
updatePointerGrab();
updateKeyboardGrab();
}
static void setRepeatMode(int mode) {
XKeyboardControl repeat_mode;
repeat_mode.auto_repeat_mode = mode;
XChangeKeyboardControl(getDisplay(), KBAutoRepeatMode, &repeat_mode);
}
bool releaseInput(void) {
if (current_fullscreen || input_released)
return false;
input_released = true;
setRepeatMode(AutoRepeatModeDefault);
updateInputGrab();
return true;
}
static void acquireInput(void) {
if (current_fullscreen || !input_released)
return;
input_released = false;
setRepeatMode(AutoRepeatModeOff);
updateInputGrab();
}
bool isFullscreen(void) {
return current_fullscreen;
}
bool shouldGrab(void) {
return !input_released && grab;
}
void setGrab(bool new_grab) {
grab = new_grab;
updateInputGrab();
}
static void handleMotion(XMotionEvent *event) {
if (ignore_motion_events) {
resetCursor(event->x, event->y);
} else {
handlePointerMotion(event);
}
}
static void checkInput(void) {
Window win;
int revert_mode;
XGetInputFocus(getDisplay(), &win, &revert_mode);
if (win == current_win) {
acquireInput();
focused = true;
}
}
static void handleMessages() {
XEvent event;
Window win;
int revert_mode;
while (XPending(getDisplay()) > 0) {
XNextEvent(getDisplay(), &event);
switch (event.type) {
case ClientMessage:
if (event.xclient.message_type == warp_atom) {
ignore_motion_events = event.xclient.data.b[0] == 1 ? true : false;
} else if ((event.xclient.format == 32) && ((Atom)event.xclient.data.l[0] == delete_atom))
closerequested = true;
break;
case FocusOut:
XGetInputFocus(getDisplay(), &win, &revert_mode);
if (win != current_win) {
releaseInput();
focused = false;
}
break;
case FocusIn:
checkInput();
break;
case MapNotify:
dirty = true;
minimized = false;
break;
case UnmapNotify:
minimized = true;
break;
case Expose:
dirty = true;
break;
case ButtonPress:
checkInput();
handleButtonPress(&(event.xbutton));
break;
case ButtonRelease:
handleButtonRelease(&(event.xbutton));
break;
case MotionNotify:
handleMotion(&(event.xmotion));
break;
case KeyPress:
case KeyRelease:
handleKeyEvent(&(event.xkey));
break;
}
}
}
static void setWindowTitle(const char *title) {
XStoreName(getDisplay(), current_win, title);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_nSetTitle
(JNIEnv * env, jclass clazz, jstring title_obj)
{
const char * title = env->GetStringUTFChars(title_obj, NULL);
setWindowTitle(title);
env->ReleaseStringUTFChars(title_obj, title);
}
static void destroyWindow() {
XDestroyWindow(getDisplay(), current_win);
XFreeColormap(getDisplay(), cmap);
}
static bool createWindow(JNIEnv* env, int width, int height) {
bool undecorated = getBooleanProperty(env, "org.lwjgl.opengl.Window.undecorated");
dirty = true;
focused = true;
minimized = false;
closerequested = false;
vsync_enabled = false;
grab = false;
ignore_motion_events = false;
Window root_win;
Window win;
XSetWindowAttributes attribs;
int attribmask;
input_released = false;
current_width = width;
current_height = height;
root_win = RootWindow(getDisplay(), getCurrentScreen());
cmap = XCreateColormap(getDisplay(), root_win, vis_info->visual, AllocNone);
attribs.colormap = cmap;
attribs.event_mask = ExposureMask | FocusChangeMask | VisibilityChangeMask| StructureNotifyMask | KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
attribs.background_pixel = 0xFF000000;
attribmask = CWColormap | CWBackPixel | CWEventMask;
if (current_fullscreen || undecorated) {
attribmask |= CWOverrideRedirect;
attribs.override_redirect = True;
}
win = XCreateWindow(getDisplay(), root_win, 0, 0, width, height, 0, vis_info->depth, InputOutput, vis_info->visual, attribmask, &attribs);
if (!checkXError(env)) {
XFreeColormap(getDisplay(), cmap);
return false;
}
printfDebug("Created window\n");
current_win = win;
XSizeHints * size_hints = XAllocSizeHints();
size_hints->flags = PMinSize | PMaxSize;
size_hints->min_width = width;
size_hints->max_width = width;
size_hints->min_height = height;
size_hints->max_height = height;
XSetWMNormalHints(getDisplay(), win, size_hints);
XFree(size_hints);
delete_atom = XInternAtom(getDisplay(), "WM_DELETE_WINDOW", False);
XSetWMProtocols(getDisplay(), win, &delete_atom, 1);
XMapRaised(getDisplay(), win);
waitMapped(win);
XClearWindow(getDisplay(), win);
setRepeatMode(AutoRepeatModeOff);
if (!checkXError(env)) {
destroyWindow();
return false;
}
return true;
}
int getCurrentScreen(void) {
return current_screen;
}
Window getCurrentWindow(void) {
return current_win;
}
int getWindowWidth(void) {
return current_width;
}
int getWindowHeight(void) {
return current_height;
}
/*
* Class: org_lwjgl_Window
* Method: nUpdate
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_nUpdate
(JNIEnv *env, jclass clazz)
{
handleMessages();
}
/*
* Class: org_lwjgl_Window
* Method: nMakeCurrent
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_nMakeCurrent
(JNIEnv *env, jclass clazz)
{
makeCurrent();
}
void makeCurrent(void) {
if (USEGLX13)
glXMakeContextCurrent(getDisplay(), glx_window, glx_window, context);
else
glXMakeCurrent(getDisplay(), getCurrentWindow(), context);
}
static void releaseContext(void) {
if (USEGLX13)
glXMakeContextCurrent(getDisplay(), None, None, NULL);
else
glXMakeCurrent(getDisplay(), None, NULL);
}
int convertToBPE(int bpp) {
int bpe;
switch (bpp) {
case 32:
case 24:
bpe = 8;
break;
case 16: /* Fall through */
default:
bpe = 4;
break;
}
return bpe;
}
GLXContext getCurrentContext(void) {
return context;
}
GLXFBConfig *chooseVisualGLX13(JNIEnv *env, jobject pixel_format, bool use_display_bpp, int drawable_type, bool double_buffer) {
jclass cls_pixel_format = env->GetObjectClass(pixel_format);
int bpp;
if (use_display_bpp)
bpp = XDefaultDepthOfScreen(XScreenOfDisplay(getDisplay(), getCurrentScreen()));
else
bpp = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "bpp", "I"));
int alpha = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "alpha", "I"));
int depth = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "depth", "I"));
int stencil = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "stencil", "I"));
int samples = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "samples", "I"));
int num_aux_buffers = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "num_aux_buffers", "I"));
int accum_bpp = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "accum_bpp", "I"));
int accum_alpha = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "accum_alpha", "I"));
bool stereo = (bool)env->GetBooleanField(pixel_format, env->GetFieldID(cls_pixel_format, "stereo", "Z"));
int bpe = convertToBPE(bpp);
int accum_bpe = convertToBPE(accum_bpp);
attrib_list_t attrib_list;
initAttribList(&attrib_list);
putAttrib(&attrib_list, GLX_RENDER_TYPE); putAttrib(&attrib_list, GLX_RGBA_BIT);
putAttrib(&attrib_list, GLX_DOUBLEBUFFER); putAttrib(&attrib_list, double_buffer ? True : False);
putAttrib(&attrib_list, GLX_DRAWABLE_TYPE); putAttrib(&attrib_list, drawable_type);
putAttrib(&attrib_list, GLX_DEPTH_SIZE); putAttrib(&attrib_list, depth);
putAttrib(&attrib_list, GLX_RED_SIZE); putAttrib(&attrib_list, bpe);
putAttrib(&attrib_list, GLX_GREEN_SIZE); putAttrib(&attrib_list, bpe);
putAttrib(&attrib_list, GLX_BLUE_SIZE); putAttrib(&attrib_list, bpe);
putAttrib(&attrib_list, GLX_ALPHA_SIZE); putAttrib(&attrib_list, alpha);
putAttrib(&attrib_list, GLX_STENCIL_SIZE); putAttrib(&attrib_list, stencil);
putAttrib(&attrib_list, GLX_AUX_BUFFERS); putAttrib(&attrib_list, num_aux_buffers);
putAttrib(&attrib_list, GLX_ACCUM_RED_SIZE); putAttrib(&attrib_list, accum_bpe);
putAttrib(&attrib_list, GLX_ACCUM_GREEN_SIZE); putAttrib(&attrib_list, accum_bpe);
putAttrib(&attrib_list, GLX_ACCUM_BLUE_SIZE); putAttrib(&attrib_list, accum_bpe);
putAttrib(&attrib_list, GLX_ACCUM_ALPHA_SIZE); putAttrib(&attrib_list, accum_alpha);
putAttrib(&attrib_list, GLX_STEREO); putAttrib(&attrib_list, stereo ? True : False);
if (samples > 0 && extgl_Extensions.GLX_ARB_multisample) {
putAttrib(&attrib_list, GLX_SAMPLE_BUFFERS_ARB); putAttrib(&attrib_list, 1);
putAttrib(&attrib_list, GLX_SAMPLES_ARB); putAttrib(&attrib_list, samples);
}
putAttrib(&attrib_list, None); putAttrib(&attrib_list, None);
int num_formats = 0;
GLXFBConfig* configs = glXChooseFBConfig(getDisplay(), getCurrentScreen(), attrib_list.attribs, &num_formats);
if (num_formats > 0) {
return configs;
} else {
if (configs != NULL)
XFree(configs);
return NULL;
}
}
static XVisualInfo *chooseVisualGLX(JNIEnv *env, jobject pixel_format) {
int bpp = XDefaultDepthOfScreen(XScreenOfDisplay(getDisplay(), getCurrentScreen()));
jclass cls_pixel_format = env->GetObjectClass(pixel_format);
int alpha = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "alpha", "I"));
int depth = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "depth", "I"));
int stencil = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "stencil", "I"));
int samples = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "samples", "I"));
int num_aux_buffers = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "num_aux_buffers", "I"));
int accum_bpp = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "accum_bpp", "I"));
int accum_alpha = (int)env->GetIntField(pixel_format, env->GetFieldID(cls_pixel_format, "accum_alpha", "I"));
bool stereo = (bool)env->GetBooleanField(pixel_format, env->GetFieldID(cls_pixel_format, "stereo", "Z"));
int bpe = convertToBPE(bpp);
int accum_bpe = convertToBPE(accum_bpp);
attrib_list_t attrib_list;
initAttribList(&attrib_list);
putAttrib(&attrib_list, GLX_RGBA);
putAttrib(&attrib_list, GLX_DOUBLEBUFFER);
putAttrib(&attrib_list, GLX_DEPTH_SIZE); putAttrib(&attrib_list, depth);
putAttrib(&attrib_list, GLX_RED_SIZE); putAttrib(&attrib_list, bpe);
putAttrib(&attrib_list, GLX_GREEN_SIZE); putAttrib(&attrib_list, bpe);
putAttrib(&attrib_list, GLX_BLUE_SIZE); putAttrib(&attrib_list, bpe);
putAttrib(&attrib_list, GLX_ALPHA_SIZE); putAttrib(&attrib_list, alpha);
putAttrib(&attrib_list, GLX_STENCIL_SIZE); putAttrib(&attrib_list, stencil);
putAttrib(&attrib_list, GLX_AUX_BUFFERS); putAttrib(&attrib_list, num_aux_buffers);
putAttrib(&attrib_list, GLX_ACCUM_RED_SIZE); putAttrib(&attrib_list, accum_bpe);
putAttrib(&attrib_list, GLX_ACCUM_GREEN_SIZE); putAttrib(&attrib_list, accum_bpe);
putAttrib(&attrib_list, GLX_ACCUM_BLUE_SIZE); putAttrib(&attrib_list, accum_bpe);
putAttrib(&attrib_list, GLX_ACCUM_ALPHA_SIZE); putAttrib(&attrib_list, accum_alpha);
if (stereo)
putAttrib(&attrib_list, GLX_STEREO);
if (samples > 0 && extgl_Extensions.GLX_ARB_multisample) {
putAttrib(&attrib_list, GLX_SAMPLE_BUFFERS_ARB); putAttrib(&attrib_list, 1);
putAttrib(&attrib_list, GLX_SAMPLES_ARB); putAttrib(&attrib_list, samples);
}
putAttrib(&attrib_list, None);
return glXChooseVisual(getDisplay(), getCurrentScreen(), attrib_list.attribs);
}
static void dumpVisualInfo(XVisualInfo *vis_info) {
int alpha, depth, stencil, r, g, b;
int sample_buffers = 0;
int samples = 0;
glXGetConfig(getDisplay(), vis_info, GLX_RED_SIZE, &r);
glXGetConfig(getDisplay(), vis_info, GLX_GREEN_SIZE, &g);
glXGetConfig(getDisplay(), vis_info, GLX_BLUE_SIZE, &b);
glXGetConfig(getDisplay(), vis_info, GLX_ALPHA_SIZE, &alpha);
glXGetConfig(getDisplay(), vis_info, GLX_DEPTH_SIZE, &depth);
glXGetConfig(getDisplay(), vis_info, GLX_STENCIL_SIZE, &stencil);
if (extgl_Extensions.GLX_ARB_multisample) {
glXGetConfig(getDisplay(), vis_info, GLX_SAMPLE_BUFFERS_ARB, &sample_buffers);
glXGetConfig(getDisplay(), vis_info, GLX_SAMPLES_ARB, &samples);
}
printfDebug("Pixel format info: r = %d, g = %d, b = %d, a = %d, depth = %d, stencil = %d, sample buffers = %d, samples = %d\n", r, g, b, alpha, depth, stencil, sample_buffers, samples);
}
static void destroyContext(void) {
releaseContext();
if (USEGLX13) {
glXDestroyWindow(getDisplay(), glx_window);
XFree(configs);
}
XFree(vis_info);
glXDestroyContext(getDisplay(), context);
context = NULL;
setRepeatMode(AutoRepeatModeDefault);
decDisplay();
extgl_Close();
}
static bool initWindowGLX13(JNIEnv *env, jobject pixel_format) {
configs = chooseVisualGLX13(env, pixel_format, true, GLX_WINDOW_BIT, true);
if (configs == NULL) {
throwException(env, "Could not find a matching pixel format");
return false;
}
context = glXCreateNewContext(getDisplay(), configs[0], GLX_RGBA_TYPE, NULL, True);
if (context == NULL) {
XFree(configs);
throwException(env, "Could not create a GLX context");
return false;
}
jboolean allow_software_acceleration = getBooleanProperty(env, "org.lwjgl.opengl.Window.allowSoftwareOpenGL");
if (!allow_software_acceleration && (glXIsDirect(getDisplay(), context) == False)) {
glXDestroyContext(getDisplay(), context);
XFree(configs);
throwException(env, "Could not create a direct GLX context");
return false;
}
vis_info = glXGetVisualFromFBConfig(getDisplay(), configs[0]);
if (vis_info == NULL) {
glXDestroyContext(getDisplay(), context);
XFree(configs);
throwException(env, "Could not get visual from FB config");
return false;
}
if (!checkXError(env)) {
glXDestroyContext(getDisplay(), context);
XFree(configs);
return false;
}
return true;
}
static bool initWindowGLX(JNIEnv *env, jobject pixel_format) {
vis_info = chooseVisualGLX(env, pixel_format);
if (vis_info == NULL) {
throwException(env, "Could not find a matching pixel format");
return false;
}
if (isDebugEnabled())
dumpVisualInfo(vis_info);
context = glXCreateContext(getDisplay(), vis_info, NULL, True);
if (context == NULL) {
XFree(vis_info);
throwException(env, "Could not create a GLX context");
return false;
}
jboolean allow_software_acceleration = getBooleanProperty(env, "org.lwjgl.opengl.Window.allowSoftwareOpenGL");
if (!allow_software_acceleration && glXIsDirect(getDisplay(), context) == False) {
glXDestroyContext(getDisplay(), context);
XFree(vis_info);
throwException(env, "Could not create a direct GLX context");
return false;
}
if (!checkXError(env)) {
glXDestroyContext(getDisplay(), context);
return false;
}
return true;
}
JNIEXPORT jobjectArray JNICALL Java_org_lwjgl_opengl_Display_nGetAvailableDisplayModes(JNIEnv *env, jclass clazz) {
return getAvailableDisplayModes(env);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_switchDisplayMode(JNIEnv *env, jclass clazz, jobject mode) {
switchDisplayMode(env, mode);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_resetDisplayMode(JNIEnv *env, jclass clazz) {
resetDisplayMode(env);
}
JNIEXPORT jint JNICALL Java_org_lwjgl_opengl_Display_getGammaRampLength(JNIEnv *env, jclass clazz) {
return (jint)getGammaRampLength();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_setGammaRamp(JNIEnv *env, jclass clazz, jobject gamma_buffer) {
setGammaRamp(env, gamma_buffer);
}
JNIEXPORT jobject JNICALL Java_org_lwjgl_opengl_Display_init(JNIEnv *env, jclass clazz) {
return initDisplay(env);
}
JNIEXPORT jstring JNICALL Java_org_lwjgl_opengl_Display_getAdapter(JNIEnv *env , jclass clazz) {
return NULL;
}
JNIEXPORT jstring JNICALL Java_org_lwjgl_opengl_Display_getVersion(JNIEnv *env, jclass clazz) {
return NULL;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_createContext(JNIEnv *env, jclass clazz, jobject pixel_format) {
if (!extgl_Open()) {
throwException(env, "Could not load gl libs");
return;
}
Display *disp = incDisplay(env);
if (disp == NULL)
return;
current_screen = XDefaultScreen(disp);
if (!extgl_InitGLX(env, disp, current_screen)) {
decDisplay();
extgl_Close();
throwException(env, "Could not init GLX");
return;
}
bool create_success;
if (USEGLX13) {
create_success = initWindowGLX13(env, pixel_format);
} else {
create_success = initWindowGLX(env, pixel_format);
}
if (!create_success) {
decDisplay();
extgl_Close();
return;
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_destroyContext(JNIEnv *env, jclass clazz) {
destroyContext();
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_nCreateWindow(JNIEnv *env, jclass clazz, jobject mode, jboolean fullscreen) {
current_fullscreen = fullscreen == JNI_TRUE;
jclass cls_displayMode = env->GetObjectClass(mode);
jfieldID fid_width = env->GetFieldID(cls_displayMode, "width", "I");
jfieldID fid_height = env->GetFieldID(cls_displayMode, "height", "I");
int width = env->GetIntField(mode, fid_width);
int height = env->GetIntField(mode, fid_height);
bool window_created = createWindow(env, width, height);
if (!window_created) {
return;
}
if (isDebugEnabled())
dumpVisualInfo(vis_info);
if (USEGLX13)
glx_window = glXCreateWindow(getDisplay(), configs[0], getCurrentWindow(), NULL);
makeCurrent();
if (!checkXError(env)) {
glXDestroyWindow(getDisplay(), glx_window);
destroyWindow();
}
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_nDestroyWindow(JNIEnv *env, jclass clazz) {
destroyWindow();
}
/*
* Class: org_lwjgl_opengl_GLWindow
* Method: swapBuffers
* Signature: ()V
*/
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_swapBuffers(JNIEnv * env, jclass clazz)
{
dirty = false;
if (USEGLX13)
glXSwapBuffers(getDisplay(), glx_window);
else
glXSwapBuffers(getDisplay(), getCurrentWindow());
}
/*
* Class: org_lwjgl_opengl_Window
* Method: nIsDirty
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Display_nIsDirty
(JNIEnv *env, jclass clazz) {
bool result = dirty;
dirty = false;
return result ? JNI_TRUE : JNI_FALSE;
}
/*
* Class: org_lwjgl_opengl_Window
* Method: nIsVisible
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Display_nIsVisible
(JNIEnv *env, jclass clazz) {
return minimized ? JNI_FALSE : JNI_TRUE;
}
/*
* Class: org_lwjgl_opengl_Window
* Method: nIsCloseRequested
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Display_nIsCloseRequested
(JNIEnv *, jclass) {
bool saved = closerequested;
closerequested = false;
return saved;
}
/*
* Class: org_lwjgl_opengl_Window
* Method: nIsActive
* Signature: ()Z
*/
JNIEXPORT jboolean JNICALL Java_org_lwjgl_opengl_Display_nIsActive
(JNIEnv *env, jclass clazz) {
return focused ? JNI_TRUE : JNI_FALSE;
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Display_nSetVSyncEnabled
(JNIEnv * env, jclass clazz, jboolean sync)
{
if (extgl_Extensions.GLX_SGI_swap_control) {
bool vsync = sync == JNI_TRUE ? true : false;
if (vsync != vsync_enabled) {
int interval = vsync ? 1 : 0;
glXSwapIntervalSGI(interval);
vsync_enabled = vsync;
}
}
}