void extcl_LoadLibrary(JNIEnv *env, jstring path) {
char *path_str = GetStringNativeChars(env, path);
printfDebugJava(env, "Testing '%s'", path_str);
handleOCL = dlopen(path_str, RTLD_LAZY);
if (handleOCL != NULL) {
printfDebugJava(env, "Found OpenCL at '%s'", path_str);
} else {
throwException(env, "Could not load OpenCL library");
}
free(path_str);
}
void extal_LoadLibrary(JNIEnv *env, jstring path) {
char *path_str = GetStringNativeChars(env, path);
printfDebugJava(env, "Testing '%s'", path_str);
handleOAL = LoadLibrary(path_str);
if (handleOAL != NULL) {
printfDebugJava(env, "Found OpenAL at '%s'", path_str);
} else {
throwFormattedException(env, "Could not load OpenAL library (%d)", GetLastError());
}
free(path_str);
}
JNIEXPORT void JNICALL Java_org_lwjgl_WindowsSysImplementation_nAlert(JNIEnv * env, jclass unused, jlong hwnd_ptr, jstring title, jstring message) {
HWND hwnd = (HWND)(INT_PTR)hwnd_ptr;
char * eMessageText = GetStringNativeChars(env, message);
char * cTitleBarText = GetStringNativeChars(env, title);
MessageBox(hwnd, eMessageText, cTitleBarText, MB_OK | MB_TOPMOST);
printfDebugJava(env, "*** Alert ***%s\n%s\n", cTitleBarText, eMessageText);
free(eMessageText);
free(cTitleBarText);
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXMouseEventQueue_getMouseDeltas(JNIEnv *env, jclass unused, jobject delta_buffer) {
CGMouseDelta dx, dy;
CGGetLastMouseDelta(&dx, &dy);
int buffer_length = (*env)->GetDirectBufferCapacity(env, delta_buffer);
if (buffer_length != 2) {
printfDebugJava(env, "Delta buffer not large enough!");
return;
}
jint *buffer = (*env)->GetDirectBufferAddress(env, delta_buffer);
buffer[0] = dx;
buffer[1] = dy;
}
/**
* Choose displaymodes using extended codepath (multiple displaydevices)
*/
jobjectArray getAvailableDisplayModes(JNIEnv * env) {
int i = 0, j = 0, n = 0;
// DISPLAY_DEVICE DisplayDevice;
DEVMODE DevMode;
jobject *display_mode_objects = NULL;
int list_size = 0;
jclass displayModeClass;
jobjectArray ret;
displayModeClass = (*env)->FindClass(env, "org/lwjgl/opengl/DisplayMode");
ZeroMemory(&DevMode, sizeof(DEVMODE));
// ZeroMemory(&DisplayDevice, sizeof(DISPLAY_DEVICE));
DevMode.dmSize = sizeof(DEVMODE);
// DisplayDevice.cb = sizeof(DISPLAY_DEVICE);
/* Multi-monitor stuff commented out since we're only really interested in the primary monitor */
/* while(EnumDisplayDevices(NULL, i++, &DisplayDevice, 0) != 0) {
// continue if mirroring device
if((DisplayDevice.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) != 0) {
continue;
}
j = 0;
while(EnumDisplaySettings((const char *) DisplayDevice.DeviceName, j++, &DevMode) != 0) {*/
while(EnumDisplaySettings(NULL, j++, &DevMode) != 0) {
// Filter out indexed modes
if (DevMode.dmBitsPerPel > 8 && ChangeDisplaySettings(&DevMode, CDS_FULLSCREEN | CDS_TEST) == DISP_CHANGE_SUCCESSFUL) {
jobject displayMode;
if (list_size <= n) {
list_size += 1;
display_mode_objects = (jobject *)realloc(display_mode_objects, sizeof(jobject)*list_size);
if (display_mode_objects == NULL)
return NULL;
}
displayMode = createDisplayMode(env, &DevMode);
display_mode_objects[n++] = displayMode;
}
}
// }
printfDebugJava(env, "Found %d displaymodes", n);
ret = (*env)->NewObjectArray(env, n, displayModeClass, NULL);
for (i = 0; i < n; i++) {
(*env)->SetObjectArrayElement(env, ret, i, display_mode_objects[i]);
}
free(display_mode_objects);
return ret;
}
static bool getExtensions(JNIEnv *env, WGLExtensions *extensions, jobject pixel_format, jobject pixelFormatCaps) {
int origin_x = 0; int origin_y = 0;
HWND dummy_hwnd;
HDC dummy_hdc;
HGLRC dummy_context;
HDC saved_hdc;
HGLRC saved_context;
int pixel_format_id;
dummy_hwnd = createDummyWindow(origin_x, origin_y);
if (dummy_hwnd == NULL) {
throwException(env, "Could not create dummy window");
return false;
}
dummy_hdc = GetDC(dummy_hwnd);
pixel_format_id = findPixelFormatOnDC(env, dummy_hdc, origin_x, origin_y, pixel_format, pixelFormatCaps, false, true, false, false);
if (pixel_format_id == -1) {
closeWindow(&dummy_hwnd, &dummy_hdc);
return false;
}
if (!applyPixelFormat(env, dummy_hdc, pixel_format_id)) {
closeWindow(&dummy_hwnd, &dummy_hdc);
return false;
}
dummy_context = wglCreateContext(dummy_hdc);
if (dummy_context == NULL) {
closeWindow(&dummy_hwnd, &dummy_hdc);
throwException(env, "Could not create dummy context");
return false;
}
saved_hdc = wglGetCurrentDC();
saved_context = wglGetCurrentContext();
if (!wglMakeCurrent(dummy_hdc, dummy_context)) {
wglMakeCurrent(saved_hdc, saved_context);
closeWindow(&dummy_hwnd, &dummy_hdc);
wglDeleteContext(dummy_context);
throwException(env, "Could not make dummy context current");
return false;
}
extgl_InitWGL(extensions);
if (!wglMakeCurrent(saved_hdc, saved_context))
printfDebugJava(env, "ERROR: Could not restore current context");
closeWindow(&dummy_hwnd, &dummy_hdc);
wglDeleteContext(dummy_context);
return true;
}
static int findPixelFormatDefault(JNIEnv *env, HDC hdc, jobject pixel_format, bool use_hdc_bpp, bool double_buffer) {
int bpp;
int iPixelFormat;
int fallback_bpp = 16;
jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
if (use_hdc_bpp) {
bpp = GetDeviceCaps(hdc, BITSPIXEL);
iPixelFormat = findPixelFormatFromBPP(env, hdc, pixel_format, bpp, double_buffer);
if ((*env)->ExceptionOccurred(env)) {
(*env)->ExceptionClear(env);
printfDebugJava(env, "Failed to find pixel format with HDC depth %d, falling back to %d\n", bpp, fallback_bpp);
bpp = fallback_bpp;
} else
return iPixelFormat;
} else
bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "bpp", "I"));
return findPixelFormatFromBPP(env, hdc, pixel_format, bpp, double_buffer);
}
jobject getCurrentGammaRamp(JNIEnv *env) {
jobject gamma_buffer;
WORD *gamma;
HDC screenDC;
gamma_buffer = createNativeGammaBuffer(env);
if (gamma_buffer == NULL)
return NULL;
gamma = (WORD *)(*env)->GetDirectBufferAddress(env, gamma_buffer);
// Get the screen
screenDC = GetDC(NULL);
if (screenDC == NULL) {
throwException(env, "Couldn't get screen DC!");
return NULL;
}
// Get the default gamma ramp
if (GetDeviceGammaRamp(screenDC, gamma) == FALSE) {
printfDebugJava(env, "Failed to get initial device gamma");
}
ReleaseDC(NULL, screenDC);
return gamma_buffer;
}
