diff options
Diffstat (limited to 'src/jogl/native/macosx/MacOSXWindowSystemInterface.m')
| -rw-r--r-- | src/jogl/native/macosx/MacOSXWindowSystemInterface.m | 702 |
1 files changed, 702 insertions, 0 deletions
diff --git a/src/jogl/native/macosx/MacOSXWindowSystemInterface.m b/src/jogl/native/macosx/MacOSXWindowSystemInterface.m new file mode 100644 index 000000000..350f6152f --- /dev/null +++ b/src/jogl/native/macosx/MacOSXWindowSystemInterface.m @@ -0,0 +1,702 @@ +/* Note: usage of AvailabilityMacros.h to detect whether we're + building on OS X 10.3 does not work because the header #defines + MAC_OS_X_VERSION_10_4 even though the machine is a 10.3 machine + +#include <AvailabilityMacros.h> + +#ifndef MAC_OS_X_VERSION_10_3 + #error building JOGL requires Mac OS X 10.3 or greater +#endif + +#ifndef MAC_OS_X_VERSION_10_4 + #define NSOpenGLPFAColorFloat kCGLPFAColorFloat + #define kCGLNoError 0 +#endif +*/ + +#import <Cocoa/Cocoa.h> +#import <OpenGL/gl.h> +#import <OpenGL/CGLTypes.h> +#import <jni.h> +#import "ContextUpdater.h" + +#import "macosx-window-system.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 + +// Workarounds for compiling on 10.3 +#ifndef kCGLRGBA16161616Bit +#define kCGLRGBA16161616Bit 0x00800000 /* 64 argb bit/pixel, R=63:48, G=47:32, B=31:16, A=15:0 */ +#define kCGLRGBFloat64Bit 0x01000000 /* 64 rgb bit/pixel, half float */ +#define kCGLRGBAFloat64Bit 0x02000000 /* 64 argb bit/pixel, half float */ +#define kCGLRGBFloat128Bit 0x04000000 /* 128 rgb bit/pixel, ieee float */ +#define kCGLRGBAFloat128Bit 0x08000000 /* 128 argb bit/pixel, ieee float */ +#define kCGLRGBFloat256Bit 0x10000000 /* 256 rgb bit/pixel, ieee double */ +#define kCGLRGBAFloat256Bit 0x20000000 /* 256 argb bit/pixel, ieee double */ +#endif + +struct _RendererInfo +{ + long id; // kCGLRPRendererID + long displayMask; // kCGLRPDisplayMask + + long accelerated; // kCGLRPAccelerated + + long window; // kCGLRPWindow + long fullscreen; // kCGLRPFullScreen + long multiscreen; // kCGLRPMultiScreen + long offscreen; // kCGLRPOffScreen + long floatPixels; // see kCGLRPColorModes + long stereo; // kCGLRPBufferModes + + long auxBuffers; // kCGLRPMaxAuxBuffers + long sampleBuffers; // kCGLRPMaxSampleBuffers + long samples; // kCGLRPMaxSamples + long samplesModes; // kCGLRPSampleModes + long multiSample; // see kCGLRPSampleModes + long superSample; // see kCGLRPSampleModes + long alphaSample; // kCGLRPSampleAlpha + + long colorModes; // kCGLRPColorModes + long colorRGBSizeMAX; + long colorASizeMAX; + long colorFloatRGBSizeMAX; + long colorFloatASizeMAX; + long colorFloatRGBSizeMIN; + long colorFloatASizeMIN; + long colorModesCount; + long colorFloatModesCount; + long depthModes; // kCGLRPDepthModes + long depthSizeMAX; + long depthModesCount; + long stencilModes; // kCGLRPStencilModes + long stencilSizeMAX; + long stencilModesCount; + long accumModes; // kCGLRPAccumModes + long accumRGBSizeMAX; + long accumASizeMAX; + long accumModesCount; +} +typedef RendererInfo; + +RendererInfo *gRenderers = NULL; +long gRenderersCount = 0; + +long depthModes[] = { + kCGL0Bit, + kCGL1Bit, + kCGL2Bit, + kCGL3Bit, + kCGL4Bit, + kCGL5Bit, + kCGL6Bit, + kCGL8Bit, + kCGL10Bit, + kCGL12Bit, + kCGL16Bit, + kCGL24Bit, + kCGL32Bit, + kCGL48Bit, + kCGL64Bit, + kCGL96Bit, + kCGL128Bit, + 0 + }; +long depthModesBits[] = {0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 16, 24, 32, 48, 64, 96, 128}; +long colorModes[] = { + kCGLRGB444Bit, + kCGLARGB4444Bit, + kCGLRGB444A8Bit, + kCGLRGB555Bit, + kCGLARGB1555Bit, + kCGLRGB555A8Bit, + kCGLRGB565Bit, + kCGLRGB565A8Bit, + kCGLRGB888Bit, + kCGLARGB8888Bit, + kCGLRGB888A8Bit, + kCGLRGB101010Bit, + kCGLARGB2101010Bit, + kCGLRGB101010_A8Bit, + kCGLRGB121212Bit, + kCGLARGB12121212Bit, + kCGLRGB161616Bit, + kCGLRGBA16161616Bit, + kCGLRGBFloat64Bit, + kCGLRGBAFloat64Bit, + kCGLRGBFloat128Bit, + kCGLRGBAFloat128Bit, + kCGLRGBFloat256Bit, + kCGLRGBAFloat256Bit, + 0 + }; +long colorModesBitsRGB[] = {4, 4, 4, 5, 5, 5, 5, 5, 8, 8, 8, 10, 10, 10, 12, 12, 16, 16, 16, 16, 32, 32, 64, 64}; +long colorModesBitsA[] = {0, 4, 8, 0, 1, 8, 0, 8, 0, 8, 8, 0, 2, 8, 0, 12, 0, 16, 0, 16, 0, 32, 0, 64}; + +void getRendererInfo() +{ + if (gRenderersCount == 0) + { + CGLRendererInfoObj info; + CGLError err = CGLQueryRendererInfo(CGDisplayIDToOpenGLDisplayMask(kCGDirectMainDisplay), &info, &gRenderersCount); + if (err == 0 /* kCGLNoError */) + { + // how many renderers are available? + CGLDescribeRenderer(info, 0, kCGLRPRendererCount, &gRenderersCount); + + // allocate our global renderers info + gRenderers = (RendererInfo*)malloc(gRenderersCount*sizeof(RendererInfo)); + memset(gRenderers, 0x00, gRenderersCount*sizeof(RendererInfo)); + + // iterate through the renderers checking for their features + long j; + for (j=0; j<gRenderersCount; j++) + { + RendererInfo *renderer = &gRenderers[j]; + int i; + + CGLDescribeRenderer(info, j, kCGLRPRendererID, &(renderer->id)); + CGLDescribeRenderer(info, j, kCGLRPDisplayMask, &(renderer->displayMask)); + + CGLDescribeRenderer(info, j, kCGLRPAccelerated, &(renderer->accelerated)); + + CGLDescribeRenderer(info, j, kCGLRPWindow, &(renderer->window)); + CGLDescribeRenderer(info, j, kCGLRPFullScreen, &(renderer->fullscreen)); + CGLDescribeRenderer(info, j, kCGLRPMultiScreen, &(renderer->multiscreen)); + CGLDescribeRenderer(info, j, kCGLRPOffScreen, &(renderer->offscreen)); + CGLDescribeRenderer(info, j, kCGLRPColorModes, &(renderer->floatPixels)); + if ((renderer->floatPixels >= kCGLRGBFloat64Bit) != 0) + { + renderer->floatPixels = 1; + } + else + { + renderer->floatPixels = 0; + } + CGLDescribeRenderer(info, j, kCGLRPBufferModes, &(renderer->stereo)); + if ((renderer->stereo & kCGLStereoscopicBit) != 0) + { + renderer->stereo = 1; + } + else + { + renderer->stereo = 0; + } + + CGLDescribeRenderer(info, j, kCGLRPMaxAuxBuffers, &(renderer->auxBuffers)); + CGLDescribeRenderer(info, j, kCGLRPMaxSampleBuffers, &(renderer->sampleBuffers)); + CGLDescribeRenderer(info, j, kCGLRPMaxSamples, &(renderer->samples)); + // The following queries are only legal on 10.4 + // FIXME: should figure out a way to enable them dynamically +#ifdef kCGLRPSampleModes + CGLDescribeRenderer(info, j, kCGLRPSampleModes, &(renderer->samplesModes)); + if ((renderer->samplesModes & kCGLSupersampleBit) != 0) + { + renderer->multiSample = 1; + } + if ((renderer->samplesModes & kCGLMultisampleBit) != 0) + { + renderer->superSample = 1; + } + CGLDescribeRenderer(info, j, kCGLRPSampleAlpha, &(renderer->alphaSample)); +#endif + CGLDescribeRenderer(info, j, kCGLRPColorModes, &(renderer->colorModes)); + i=0; + int floatPixelFormatInitialized = 0; + while (colorModes[i] != 0) + { + if ((renderer->colorModes & colorModes[i]) != 0) + { + // non-float color model + if (colorModes[i] < kCGLRGBFloat64Bit) + { + // look for max color and alpha values - prefer color models that have alpha + if ((colorModesBitsRGB[i] >= renderer->colorRGBSizeMAX) && (colorModesBitsA[i] >= renderer->colorASizeMAX)) + { + renderer->colorRGBSizeMAX = colorModesBitsRGB[i]; + renderer->colorASizeMAX = colorModesBitsA[i]; + } + renderer->colorModesCount++; + } + // float-color model + if (colorModes[i] >= kCGLRGBFloat64Bit) + { + if (floatPixelFormatInitialized == 0) + { + floatPixelFormatInitialized = 1; + + renderer->colorFloatASizeMAX = colorModesBitsA[i]; + renderer->colorFloatRGBSizeMAX = colorModesBitsRGB[i]; + renderer->colorFloatASizeMIN = colorModesBitsA[i]; + renderer->colorFloatRGBSizeMIN = colorModesBitsRGB[i]; + } + // look for max color and alpha values - prefer color models that have alpha + if ((colorModesBitsRGB[i] >= renderer->colorFloatRGBSizeMAX) && (colorModesBitsA[i] >= renderer->colorFloatASizeMAX)) + { + renderer->colorFloatRGBSizeMAX = colorModesBitsRGB[i]; + renderer->colorFloatASizeMAX = colorModesBitsA[i]; + } + // find min color + if (colorModesBitsA[i] < renderer->colorFloatASizeMIN) + { + renderer->colorFloatASizeMIN = colorModesBitsA[i]; + } + // find min alpha color + if (colorModesBitsA[i] < renderer->colorFloatRGBSizeMIN) + { + renderer->colorFloatRGBSizeMIN = colorModesBitsRGB[i]; + } + renderer->colorFloatModesCount++; + } + } + i++; + } + CGLDescribeRenderer(info, j, kCGLRPDepthModes, &(renderer->depthModes)); + i=0; + while (depthModes[i] != 0) + { + if ((renderer->depthModes & depthModes[i]) != 0) + { + renderer->depthSizeMAX = depthModesBits[i]; + renderer->depthModesCount++; + } + i++; + } + CGLDescribeRenderer(info, j, kCGLRPStencilModes, &(renderer->stencilModes)); + i=0; + while (depthModes[i] != 0) + { + if ((renderer->stencilModes & depthModes[i]) != 0) + { + renderer->stencilSizeMAX = depthModesBits[i]; + renderer->stencilModesCount++; + } + i++; + } + CGLDescribeRenderer(info, j, kCGLRPAccumModes, &(renderer->accumModes)); + i=0; + while (colorModes[i] != 0) + { + if ((renderer->accumModes & colorModes[i]) != 0) + { + if ((colorModesBitsRGB[i] >= renderer->accumRGBSizeMAX) && (colorModesBitsA[i] >= renderer->accumASizeMAX)) + { + renderer->accumRGBSizeMAX = colorModesBitsRGB[i]; + renderer->accumASizeMAX = colorModesBitsA[i]; + } + renderer->accumModesCount++; + } + i++; + } + } + } + CGLDestroyRendererInfo (info); + } + +#if 0 + fprintf(stderr, "gRenderersCount=%ld\n", gRenderersCount); + int j; + for (j=0; j<gRenderersCount; j++) + { + RendererInfo *renderer = &gRenderers[j]; + fprintf(stderr, " id=%ld\n", renderer->id); + fprintf(stderr, " displayMask=%ld\n", renderer->displayMask); + + fprintf(stderr, " accelerated=%ld\n", renderer->accelerated); + + fprintf(stderr, " window=%ld\n", renderer->window); + fprintf(stderr, " fullscreen=%ld\n", renderer->fullscreen); + fprintf(stderr, " multiscreen=%ld\n", renderer->multiscreen); + fprintf(stderr, " offscreen=%ld\n", renderer->offscreen); + fprintf(stderr, " floatPixels=%ld\n", renderer->floatPixels); + fprintf(stderr, " stereo=%ld\n", renderer->stereo); + + fprintf(stderr, " auxBuffers=%ld\n", renderer->auxBuffers); + fprintf(stderr, " sampleBuffers=%ld\n", renderer->sampleBuffers); + fprintf(stderr, " samples=%ld\n", renderer->samples); + fprintf(stderr, " samplesModes=%ld\n", renderer->samplesModes); + fprintf(stderr, " multiSample=%ld\n", renderer->superSample); + fprintf(stderr, " superSample=%ld\n", renderer->superSample); + fprintf(stderr, " alphaSample=%ld\n", renderer->alphaSample); + + fprintf(stderr, " colorModes=%ld\n", renderer->colorModes); + fprintf(stderr, " colorRGBSizeMAX=%ld\n", renderer->colorRGBSizeMAX); + fprintf(stderr, " colorASizeMAX=%ld\n", renderer->colorASizeMAX); + fprintf(stderr, " colorFloatRGBSizeMAX=%ld\n", renderer->colorFloatRGBSizeMAX); + fprintf(stderr, " colorFloatASizeMAX=%ld\n", renderer->colorFloatASizeMAX); + fprintf(stderr, " colorFloatRGBSizeMIN=%ld\n", renderer->colorFloatRGBSizeMIN); + fprintf(stderr, " colorFloatASizeMIN=%ld\n", renderer->colorFloatASizeMIN); + fprintf(stderr, " colorModesCount=%ld\n", renderer->colorModesCount); + fprintf(stderr, " colorFloatModesCount=%ld\n", renderer->colorFloatModesCount); + fprintf(stderr, " depthModes=%ld\n", renderer->depthModes); + fprintf(stderr, " depthSizeMAX=%ld\n", renderer->depthSizeMAX); + fprintf(stderr, " depthModesCount=%ld\n", renderer->depthModesCount); + fprintf(stderr, " stencilModes=%ld\n", renderer->stencilModes); + fprintf(stderr, " stencilSizeMAX=%ld\n", renderer->stencilSizeMAX); + fprintf(stderr, " stencilModesCount=%ld\n", renderer->stencilModesCount); + fprintf(stderr, " accumModes=%ld\n", renderer->accumModes); + fprintf(stderr, " accumRGBSizeMAX=%ld\n", renderer->accumRGBSizeMAX); + fprintf(stderr, " accumASizeMAX=%ld\n", renderer->accumASizeMAX); + fprintf(stderr, " accumModesCount=%ld\n", renderer->accumModesCount); + fprintf(stderr, "\n"); + } +#endif +} + +long validateParameter(NSOpenGLPixelFormatAttribute attribute, long value) +{ + int i; + for (i=0; i<gRenderersCount; i++) { + RendererInfo* renderer = &gRenderers[i]; + if (renderer->accelerated != 0) { + switch (attribute) { + case NSOpenGLPFAStereo: + return renderer->stereo; + + case NSOpenGLPFAStencilSize: + return MIN(value, renderer->stencilSizeMAX); + + default: + break; + } + } + } + + return value; +} + +void* createPixelFormat(int* iattrs, int niattrs, int* ivalues) { + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + + getRendererInfo(); + + // http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/ObjC_classic/Classes/NSOpenGLPixelFormat.html + NSOpenGLPixelFormatAttribute attribs[256]; + + int idx = 0; + int i; + for (i = 0; i < niattrs; i++) { + int attr = iattrs[i]; + switch (attr) { + case NSOpenGLPFAPixelBuffer: + if (ivalues[i] != 0) { + attribs[idx++] = NSOpenGLPFAPixelBuffer; + } + break; + + case kCGLPFAColorFloat: + if (ivalues[i] != 0) { + attribs[idx++] = kCGLPFAColorFloat; + } + break; + + case NSOpenGLPFADoubleBuffer: + if (ivalues[i] != 0) { + attribs[idx++] = NSOpenGLPFADoubleBuffer; + } + break; + + case NSOpenGLPFAStereo: + if (ivalues[i] != 0 && (validateParameter(NSOpenGLPFAStereo, 0 /* dummy */) != 0)) { + attribs[idx++] = NSOpenGLPFAStereo; + } + break; + + case NSOpenGLPFAColorSize: + case NSOpenGLPFAAlphaSize: + case NSOpenGLPFADepthSize: + case NSOpenGLPFAAccumSize: + case NSOpenGLPFASampleBuffers: + case NSOpenGLPFASamples: + attribs[idx++] = attr; + attribs[idx++] = ivalues[i]; + break; + + case NSOpenGLPFAStencilSize: + attribs[idx++] = attr; + attribs[idx++] = validateParameter(NSOpenGLPFAStencilSize, ivalues[i]); + break; + + default: + // Need better way to signal to caller + return nil; + } + } + + // Zero-terminate + attribs[idx++] = 0; + + NSOpenGLPixelFormat* fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs]; + if (fmt == nil) { + // should we fallback to defaults or not? + fmt = [NSOpenGLView defaultPixelFormat]; + } + + [pool release]; + return fmt; +} + +void queryPixelFormat(void* pixelFormat, int* iattrs, int niattrs, int* ivalues) { + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + NSOpenGLPixelFormat* fmt = (NSOpenGLPixelFormat*) pixelFormat; + long tmp; + // FIXME: think about how specifying this might affect the API + int virtualScreen = 0; + + int i; + for (i = 0; i < niattrs; i++) { + [fmt getValues: &tmp + forAttribute: (NSOpenGLPixelFormatAttribute) iattrs[i] + forVirtualScreen: virtualScreen]; + ivalues[i] = (int) tmp; + } + [pool release]; +} + +void deletePixelFormat(void* pixelFormat) { + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + NSOpenGLPixelFormat* fmt = (NSOpenGLPixelFormat*) pixelFormat; + [fmt release]; + [pool release]; +} + +void* createContext(void* shareContext, + void* view, + void* pixelFormat, + int* viewNotReady) +{ + getRendererInfo(); + + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + + NSView *nsView = (NSView*)view; + + if (nsView != NULL) + { + Bool viewReady = true; + + if ([nsView lockFocusIfCanDraw] == NO) + { + viewReady = false; + } + else + { + NSRect frame = [nsView frame]; + if ((frame.size.width == 0) || (frame.size.height == 0)) + { + [nsView unlockFocus]; + viewReady = false; + } + } + + if (!viewReady) + { + if (viewNotReady != NULL) + { + *viewNotReady = 1; + } + + // the view is not ready yet + [pool release]; + return NULL; + } + } + + NSOpenGLContext* nsContext = [[NSOpenGLContext alloc] + initWithFormat: (NSOpenGLPixelFormat*) pixelFormat + shareContext: (NSOpenGLContext*) shareContext]; + + if (nsContext != nil) { + if (nsView != nil) { + [nsContext setView:nsView]; + [nsView unlockFocus]; + } + } + + [pool release]; + return nsContext; +} + +Bool makeCurrentContext(void* context) { + NSOpenGLContext *nsContext = (NSOpenGLContext*)context; + + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + [nsContext makeCurrentContext]; + [pool release]; + return true; +} + +Bool clearCurrentContext(void* context) { + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + [NSOpenGLContext clearCurrentContext]; + [pool release]; + return true; +} + +Bool deleteContext(void* context) { + NSOpenGLContext *nsContext = (NSOpenGLContext*)context; + + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + [nsContext clearDrawable]; + [nsContext release]; + [pool release]; + return true; +} + +Bool flushBuffer(void* context) { + NSOpenGLContext *nsContext = (NSOpenGLContext*)context; + + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + [nsContext flushBuffer]; + [pool release]; + return true; +} + +void setContextOpacity(void* context, int opacity) { + NSOpenGLContext *nsContext = (NSOpenGLContext*)context; + + [nsContext setValues:&opacity forParameter:NSOpenGLCPSurfaceOpacity]; +} + +void updateContext(void* context) { + NSOpenGLContext *nsContext = (NSOpenGLContext*)context; + + NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init]; + [nsContext update]; + [pool release]; +} + +void copyContext(void* destContext, void* srcContext, int mask) { + NSOpenGLContext *src = (NSOpenGLContext*) srcContext; + NSOpenGLContext *dst = (NSOpenGLContext*) destContext; + [dst copyAttributesFromContext: src withMask: mask]; +} + +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) { + /* FIXME: not clear whether we need to perform the clearDrawable below */ + /* FIXME: remove the context argument -- don't need it any more */ + /* 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]; +} + +Bool setGammaRamp(int tableSize, float* redRamp, float* greenRamp, float* blueRamp) { + CGDisplayErr err = CGSetDisplayTransferByTable(kCGDirectMainDisplay, tableSize, redRamp, greenRamp, blueRamp); + return (err == CGDisplayNoErr); +} + +void resetGammaRamp() { + CGDisplayRestoreColorSyncSettings(); +} |