milsko/src/widget/opengl_cocoa.m

131 lines
No EOL
3.9 KiB
Objective-C

#include "Mw/BaseTypes.h"
#include "Mw/Core.h"
#include "Mw/LowLevel/Cocoa.h"
#include "Mw/StringDefs.h"
#include <Mw/Milsko.h>
#include <Mw/Widget/OpenGL.h>
#import <mach-o/dyld.h>
@interface MacOpenGLWidget : NSObject {
NSOpenGLPixelFormat *pixelFormat;
NSOpenGLContext *glc;
MilskoCocoa * _win;
}
- (MacOpenGLWidget *)initWithWindow:(MilskoCocoa *)w;
- (void)destroy;
- (void)makeCurrent;
- (void)swapBuffer;
- (void *)getProcAddressWithName:(const char *)name;
@end
static int create(MwWidget handle) {
void *r = NULL;
MwWidget w = handle;
int x = MwGetInteger(w, MwNx);
int y = MwGetInteger(w, MwNy);
int width = MwGetInteger(w, MwNwidth);
int height = MwGetInteger(w, MwNheight);
printf("%d %d\n", width, height);
handle->internal = [[MacOpenGLWidget alloc]
initWithWindow:handle->lowlevel->cocoa.real];
handle->lowlevel->common.copy_buffer = 0;
MwSetDefault(handle);
while (w->parent != NULL)
w = w->parent;
w->berserk++;
return 0;
}
static void destroy(MwWidget handle) {
[(MacOpenGLWidget *)handle->internal destroy];
}
static void mwOpenGLMakeCurrentImpl(MwWidget handle) {
[(MacOpenGLWidget *)handle->internal makeCurrent];
}
static void mwOpenGLSwapBufferImpl(MwWidget handle) {
[(MacOpenGLWidget *)handle->internal swapBuffer];
}
static void *mwOpenGLGetProcAddressImpl(MwWidget handle, const char *name) {
return [(MacOpenGLWidget *)handle->internal getProcAddressWithName:name];
}
static void func_handler(MwWidget handle, const char *name, void *out,
va_list va) {
if (strcmp(name, "mwOpenGLMakeCurrent") == 0) {
mwOpenGLMakeCurrentImpl(handle);
}
if (strcmp(name, "mwOpenGLSwapBuffer") == 0) {
mwOpenGLSwapBufferImpl(handle);
}
if (strcmp(name, "mwOpenGLGetProcAddress") == 0) {
const char *_name = va_arg(va, const char *);
*(void **)out = mwOpenGLGetProcAddressImpl(handle, _name);
}
}
@implementation MacOpenGLWidget
- (MacOpenGLWidget *)initWithWindow:(MilskoCocoa *)w {
NSOpenGLPixelFormatAttribute pixelFormatAttributes[] = {
NSOpenGLPFAColorSize, 24,
NSOpenGLPFAStencilSize, 8,
NSOpenGLPFAAlphaSize, 8,
NSOpenGLPFADoubleBuffer, NSOpenGLPFAAccelerated,
NSOpenGLPFANoRecovery, 0};
self->pixelFormat =
[[NSOpenGLPixelFormat alloc] initWithAttributes:pixelFormatAttributes];
self->glc =
[[NSOpenGLContext alloc] initWithFormat:pixelFormat shareContext:nil];
[self->glc setView:[w getView]];
self->_win = w;
return self;
};
- (void)destroy {
};
- (void)makeCurrent {
[self->glc makeCurrentContext];
};
- (void)swapBuffer {
[self->_win forceRender];
[self->glc flushBuffer];
};
- (void *)getProcAddressWithName:(const char *)name {
if (NSIsSymbolNameDefined(name)) {
return NSAddressOfSymbol(NSLookupAndBindSymbol(name));
} else {
return NULL;
}
};
@end
MwClassRec MwOpenGLClassRec = {create, /* create */
destroy, /* destroy */
NULL, /* draw */
NULL, /* click */
NULL, /* parent_resize */
NULL, /* prop_change */
NULL, /* mouse_move */
NULL, /* mouse_up */
NULL, /* mouse_down */
NULL, /* key */
func_handler, /* execute */
NULL, /* tick */
NULL, /* resize */
NULL, /* children_update */
NULL, /* children_prop_change */
NULL, /* clipboard */
NULL, NULL, NULL, NULL};
MwClass MwOpenGLClass = &MwOpenGLClassRec;