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#import <Cocoa/Cocoa.h>
#import <OpenGL/gl.h>
#import <jni.h>
#import "ContextUpdater.h"
// see MacOSXPbufferGLContext.java createPbuffer
#define USE_GL_TEXTURE_RECTANGLE_EXT
#ifdef USE_GL_TEXTURE_RECTANGLE_EXT
#ifndef GL_TEXTURE_RECTANGLE_EXT
#define GL_TEXTURE_RECTANGLE_EXT 0x84F5
#endif
#endif
typedef int Bool;
void* createContext(void* shareContext, void* view,
int doubleBuffer,
int stereo,
int redBits,
int greenBits,
int blueBits,
int alphaBits,
int depthBits,
int stencilBits,
int accumRedBits,
int accumGreenBits,
int accumBlueBits,
int accumAlphaBits,
int sampleBuffers,
int numSamples,
int* viewNotReady)
{
int colorSize = redBits + greenBits + blueBits;
int accumSize = accumRedBits + accumGreenBits + accumBlueBits;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
NSOpenGLContext *nsChareCtx = (NSOpenGLContext*)shareContext;
NSView *nsView = (NSView*)view;
if (nsView != NULL) {
if ([nsView lockFocusIfCanDraw] == NO) {
if (viewNotReady != NULL) {
*viewNotReady = 1;
}
// the view is not ready yet
[pool release];
return NULL;
}
}
NSOpenGLPixelFormatAttribute attribs[256];
int idx = 0;
if (doubleBuffer) attribs[idx++] = NSOpenGLPFADoubleBuffer;
if (stereo) attribs[idx++] = NSOpenGLPFAStereo;
attribs[idx++] = NSOpenGLPFAColorSize; attribs[idx++] = colorSize;
attribs[idx++] = NSOpenGLPFAAlphaSize; attribs[idx++] = alphaBits;
attribs[idx++] = NSOpenGLPFADepthSize; attribs[idx++] = depthBits;
attribs[idx++] = NSOpenGLPFAStencilSize; attribs[idx++] = stencilBits;
attribs[idx++] = NSOpenGLPFAAccumSize; attribs[idx++] = accumSize;
attribs[idx++] = NSOpenGLPFASampleBuffers; attribs[idx++] = sampleBuffers;
attribs[idx++] = NSOpenGLPFASamples; attribs[idx++] = numSamples;
attribs[idx++] = 0;
NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc]
initWithAttributes:attribs];
NSOpenGLContext* nsContext = [[NSOpenGLContext alloc]
initWithFormat:fmt
shareContext:nsChareCtx];
[fmt release];
if (nsView != nil) {
[nsContext setView:nsView];
[nsView unlockFocus];
}
[pool release];
return nsContext;
}
Bool makeCurrentContext(void* context, void* view) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[nsContext makeCurrentContext];
[pool release];
return true;
}
Bool clearCurrentContext(void* context, void* view) {
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[NSOpenGLContext clearCurrentContext];
[pool release];
return true;
}
Bool deleteContext(void* context, void* view) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[nsContext clearDrawable];
[nsContext release];
[pool release];
return true;
}
Bool flushBuffer(void* context, void* view) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[nsContext flushBuffer];
[pool release];
return true;
}
void updateContext(void* context, void* view) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[nsContext update];
[pool release];
}
void* updateContextRegister(void* context, void* view) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSView *nsView = (NSView*)view;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
ContextUpdater *contextUpdater = [[ContextUpdater alloc] init];
[contextUpdater registerFor:nsContext with:nsView];
[pool release];
return NULL;
}
void updateContextUnregister(void* context, void* view, void* updater) {
ContextUpdater *contextUpdater = (ContextUpdater *)updater;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[contextUpdater release];
[pool release];
}
void* createPBuffer(int renderTarget, int internalFormat, int width, int height) {
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
NSOpenGLPixelBuffer* pBuffer = [[NSOpenGLPixelBuffer alloc]
initWithTextureTarget:renderTarget
textureInternalFormat:internalFormat
textureMaxMipMapLevel:0
pixelsWide:width
pixelsHigh:height];
[pool release];
return pBuffer;
}
Bool destroyPBuffer(void* context, void* buffer) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSOpenGLPixelBuffer *pBuffer = (NSOpenGLPixelBuffer*)buffer;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
if (nsContext != NULL) {
[nsContext clearDrawable];
}
[pBuffer release];
[pool release];
return true;
}
void setContextPBuffer(void* context, void* buffer) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSOpenGLPixelBuffer *pBuffer = (NSOpenGLPixelBuffer*)buffer;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[nsContext setPixelBuffer: pBuffer
cubeMapFace: 0
mipMapLevel: 0
currentVirtualScreen: [nsContext currentVirtualScreen]];
[pool release];
}
void setContextTextureImageToPBuffer(void* context, void* buffer, int colorBuffer) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
NSOpenGLPixelBuffer *pBuffer = (NSOpenGLPixelBuffer*)buffer;
NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
[nsContext setTextureImageToPixelBuffer: pBuffer
colorBuffer: (unsigned long) colorBuffer];
[pool release];
}
#include <mach-o/dyld.h>
Bool imagesInitialized = false;
static char libGLStr[] = "/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib";
static char libGLUStr[] = "/System/Library/Frameworks/OpenGL.framework/Libraries/libGLU.dylib";
static const struct mach_header *libGLImage;
static const struct mach_header *libGLUImage;
void* getProcAddress(const char *procname) {
if (imagesInitialized == false) {
imagesInitialized = true;
unsigned long options = NSADDIMAGE_OPTION_RETURN_ON_ERROR;
libGLImage = NSAddImage(libGLStr, options);
libGLUImage = NSAddImage(libGLUStr, options);
}
unsigned long options = NSLOOKUPSYMBOLINIMAGE_OPTION_BIND | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR;
char underscoreName[512] = "_";
strcat(underscoreName, procname);
if (NSIsSymbolNameDefinedInImage(libGLImage, underscoreName) == YES) {
NSSymbol sym = NSLookupSymbolInImage(libGLImage, underscoreName, options);
return NSAddressOfSymbol(sym);
}
if (NSIsSymbolNameDefinedInImage(libGLUImage, underscoreName) == YES) {
NSSymbol sym = NSLookupSymbolInImage(libGLUImage, underscoreName, options);
return NSAddressOfSymbol(sym);
}
if (NSIsSymbolNameDefinedWithHint(underscoreName, "GL")) {
NSSymbol sym = NSLookupAndBindSymbol(underscoreName);
return NSAddressOfSymbol(sym);
}
return NULL;
}
void setSwapInterval(void* context, int interval) {
NSOpenGLContext *nsContext = (NSOpenGLContext*)context;
long swapInterval = interval;
[nsContext setValues: &swapInterval forParameter: NSOpenGLCPSwapInterval];
}
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