204 lines
6.8 KiB
Mathematica
204 lines
6.8 KiB
Mathematica
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/*
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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 Xspecific display functions.
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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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#import <Cocoa/Cocoa.h>
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#import <OpenGL/OpenGL.h>
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#import <Carbon/Carbon.h>
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#import <jawt_md.h>
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#import <jni.h>
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#import <unistd.h>
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#import "common_tools.h"
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#define WAIT_DELAY 100
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static NSOpenGLContext *gl_context;
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_createContext(JNIEnv *env, jobject this, jobject pixel_format) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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size_t bpp = CGDisplayBitsPerPixel(kCGDirectMainDisplay);
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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int alpha = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "alpha", "I"));
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int depth = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "depth", "I"));
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int stencil = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "stencil", "I"));
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int samples = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "samples", "I"));
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int num_aux_buffers = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "num_aux_buffers", "I"));
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int accum_bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "accum_bpp", "I"));
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int accum_alpha = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "accum_alpha", "I"));
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bool stereo = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "stereo", "Z"));
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NSOpenGLPixelFormatAttribute attribs[] = {
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NSOpenGLPFAAccelerated,
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NSOpenGLPFADoubleBuffer,
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NSOpenGLPFAColorSize, bpp,
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NSOpenGLPFAAlphaSize, alpha,
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NSOpenGLPFADepthSize, depth,
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NSOpenGLPFAStencilSize, stencil,
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NSOpenGLPFAAccumSize, accum_bpp + accum_alpha,
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NSOpenGLPFASampleBuffers, samples > 0 ? 1 : 0,
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NSOpenGLPFASamples, samples,
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NSOpenGLPFAAuxBuffers, num_aux_buffers,
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NSOpenGLPFAWindow,
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0,
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0
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};
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if (stereo)
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attribs[19] = NSOpenGLPFAStereo;
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NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs];
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if (fmt == nil) {
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throwException(env, "Could not create pixel format");
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[pool release];
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return;
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}
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gl_context = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:nil];
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[fmt release];
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if (gl_context == nil)
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throwException(env, "Could not create context");
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[pool release];
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_updateContext(JNIEnv *env, jobject this) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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[gl_context update];
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[pool release];
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}
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static void setView(JNIEnv *env, jobject canvas) {
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JAWT awt;
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JAWT_DrawingSurface* ds;
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JAWT_DrawingSurfaceInfo* dsi;
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JAWT_MacOSXDrawingSurfaceInfo* dsi_mac;
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jboolean result = JNI_FALSE;
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jint lock = 0;
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// get the AWT
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awt.version = JAWT_VERSION_1_4;
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NSView *view;
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while (true) {
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result = JAWT_GetAWT(env, &awt);
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if (result == JNI_FALSE) {
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throwException(env, "Could not get the JAWT interface");
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return;
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}
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ds = awt.GetDrawingSurface(env, canvas);
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if (ds == NULL) {
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throwException(env, "Could not get the drawing surface");
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return;
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}
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lock = ds->Lock(ds);
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if((lock & JAWT_LOCK_ERROR) != 0) {
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awt.FreeDrawingSurface(ds);
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throwException(env, "Could not lock the drawing surface");
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return;
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}
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dsi = ds->GetDrawingSurfaceInfo(ds);
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if (dsi != NULL) {
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dsi_mac = (JAWT_MacOSXDrawingSurfaceInfo*)dsi->platformInfo;
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view = dsi_mac->cocoaViewRef;
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if ([view lockFocusIfCanDraw] == YES)
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break;
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view = NULL;
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ds->FreeDrawingSurfaceInfo(dsi);
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}
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printfDebug("Could not get drawing surface info, retrying... \n");
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ds->Unlock(ds);
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awt.FreeDrawingSurface(ds);
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usleep(WAIT_DELAY);
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}
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// [gl_context clearDrawable];
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[gl_context setView:view];
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[view unlockFocus];
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ds->FreeDrawingSurfaceInfo(dsi);
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ds->Unlock(ds);
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awt.FreeDrawingSurface(ds);
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_setVSyncEnabled(JNIEnv *env, jobject this, jboolean vsync) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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long vsync_value = vsync == JNI_TRUE ? 1 : 0;
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[gl_context setValues:&vsync_value forParameter:NSOpenGLCPSwapInterval];
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[pool release];
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_swapBuffers(JNIEnv *env, jobject this) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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[gl_context flushBuffer];
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[pool release];
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_setView(JNIEnv *env, jobject this, jobject canvas) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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if (canvas != NULL) {
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setView(env, canvas);
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} else {
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[gl_context clearDrawable];
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}
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[pool release];
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_makeCurrent(JNIEnv *env, jobject this) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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[gl_context makeCurrentContext];
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[pool release];
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}
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JNIEXPORT void JNICALL Java_org_lwjgl_opengl_MacOSXDisplay_destroyContext(JNIEnv *env, jobject this) {
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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if (gl_context != nil) {
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[gl_context clearDrawable];
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[gl_context release];
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gl_context = nil;
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}
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[pool release];
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}
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