182 lines
7.7 KiB
Objective-C
182 lines
7.7 KiB
Objective-C
/*
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* Copyright (c) 2002-2008 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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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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*/
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#import <CoreFoundation/CoreFoundation.h>
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#import "context.h"
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static CFBundleRef opengl_bundle = NULL;
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void *extgl_GetProcAddress(const char *name) {
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CFStringRef cf_name = CFStringCreateWithCString(NULL, name, kCFStringEncodingUTF8);
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void *address = CFBundleGetFunctionPointerForName(opengl_bundle, cf_name);
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CFRelease(cf_name);
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return address;
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}
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static CFBundleRef loadFramework(JNIEnv *env) {
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CFStringRef framework_path = CFSTR("/System/Library/Frameworks/OpenGL.framework");
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if (framework_path == NULL) {
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printfDebugJava(env, "Failed to allocate string");
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return NULL;
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}
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CFURLRef url = CFURLCreateWithFileSystemPath(NULL, framework_path, kCFURLPOSIXPathStyle, TRUE);
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if (url == NULL) {
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printfDebugJava(env, "Failed to allocate URL");
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return NULL;
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}
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CFBundleRef opengl_bundle = CFBundleCreate(NULL, url);
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CFRelease(url);
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return opengl_bundle;
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}
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bool extgl_Open(JNIEnv *env) {
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if (opengl_bundle != NULL)
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return true;
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opengl_bundle = loadFramework(env);
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if (opengl_bundle != NULL) {
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return true;
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} else {
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throwException(env, "Could not load OpenGL library");
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return false;
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}
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}
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void extgl_Close(void)
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{
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if (opengl_bundle != NULL) {
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CFRelease(opengl_bundle);
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opengl_bundle = NULL;
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}
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}
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#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
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size_t CGDisplayBitsPerPixel(CGDirectDisplayID display) {
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CGDisplayModeRef mode = CGDisplayCopyDisplayMode(display);
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size_t depth = 0;
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CFStringRef pixEnc = CGDisplayModeCopyPixelEncoding(mode);
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if(CFStringCompare(pixEnc, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
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depth = 32;
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else if(CFStringCompare(pixEnc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
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depth = 16;
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else if(CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
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depth = 8;
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return depth;
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}
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#else
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// CGDisplayBitsPerPixel is defined
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#endif
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NSOpenGLPixelFormat *choosePixelFormat(JNIEnv *env, jobject pixel_format, bool gl32, bool use_display_bpp, bool support_window, bool support_pbuffer, bool double_buffered) {
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int bpp;
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jclass cls_pixel_format = (*env)->GetObjectClass(env, pixel_format);
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if (use_display_bpp)
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{
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if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_5) { // if OS X 10.6+ use newer api
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CGDisplayModeRef mode = CGDisplayCopyDisplayMode(kCGDirectMainDisplay);
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CFStringRef pixEnc = CGDisplayModeCopyPixelEncoding(mode);
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if (CFStringCompare(pixEnc, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
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bpp = 32;
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else if(CFStringCompare(pixEnc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
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bpp = 16;
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else if(CFStringCompare(pixEnc, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)
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bpp = 8;
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else
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bpp = CGDisplayBitsPerPixel(kCGDirectMainDisplay);
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} else {
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bpp = CGDisplayBitsPerPixel(kCGDirectMainDisplay);
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}
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}
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else
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bpp = (int)(*env)->GetIntField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "bpp", "I"));
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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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bool floating_point = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "floating_point", "Z"));
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// TODO: Add floating_point_packed attribute below
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//bool floating_point_packed = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "floating_point_packed", "Z"));
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// TODO: Add sRGB attribute below
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//bool sRGB = (bool)(*env)->GetBooleanField(env, pixel_format, (*env)->GetFieldID(env, cls_pixel_format, "sRGB", "Z"));
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attrib_list_t attribs;
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jboolean allow_software_acceleration = getBooleanProperty(env, "org.lwjgl.opengl.Display.allowSoftwareOpenGL");
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initAttribList(&attribs);
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if (!allow_software_acceleration)
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putAttrib(&attribs, NSOpenGLPFAAccelerated);
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if (double_buffered)
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putAttrib(&attribs, NSOpenGLPFADoubleBuffer);
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putAttrib(&attribs, NSOpenGLPFAMinimumPolicy);
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putAttrib(&attribs, NSOpenGLPFAColorSize); putAttrib(&attribs, bpp);
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putAttrib(&attribs, NSOpenGLPFAAlphaSize); putAttrib(&attribs, alpha);
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putAttrib(&attribs, NSOpenGLPFADepthSize); putAttrib(&attribs, depth);
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putAttrib(&attribs, NSOpenGLPFAStencilSize); putAttrib(&attribs, stencil);
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putAttrib(&attribs, NSOpenGLPFAAccumSize); putAttrib(&attribs, accum_bpp + accum_alpha);
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putAttrib(&attribs, NSOpenGLPFASampleBuffers); putAttrib(&attribs, samples > 0 ? 1 : 0);
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putAttrib(&attribs, NSOpenGLPFASamples); putAttrib(&attribs, samples);
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putAttrib(&attribs, NSOpenGLPFAAuxBuffers); putAttrib(&attribs, num_aux_buffers);
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if (gl32) {
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putAttrib(&attribs, 99); // NSOpenGLPFAOpenGLProfile
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putAttrib(&attribs, 0x3200); // NSOpenGLProfileVersion3_2Core
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} else {
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if (support_window)
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putAttrib(&attribs, NSOpenGLPFAWindow);
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if (support_pbuffer)
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putAttrib(&attribs, NSOpenGLPFAPixelBuffer);
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}
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if (stereo)
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putAttrib(&attribs, NSOpenGLPFAStereo);
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if (floating_point)
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putAttrib(&attribs, NSOpenGLPFAColorFloat);
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putAttrib(&attribs, 0);
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NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:(NSOpenGLPixelFormatAttribute *)attribs.attribs];
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if (fmt == nil) {
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throwException(env, "Could not create pixel format");
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return NULL;
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}
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return fmt;
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}
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