/* * Copyright © 2010 Intel Corporation * Copyright © 2011 Apple Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Soft- * ware"), to deal in the Software without restriction, including without * limitation the rights to use, copy, modify, merge, publish, distribute, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, provided that the above copyright * notice(s) and this permission notice appear in all copies of the Soft- * ware and that both the above copyright notice(s) and this permission * notice appear in supporting documentation. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- * MANCE OF THIS SOFTWARE. * * Except as contained in this notice, the name of a copyright holder shall * not be used in advertising or otherwise to promote the sale, use or * other dealings in this Software without prior written authorization of * the copyright holder. * * Authors: * Kristian Høgsberg (krh@bitplanet.net) */ #if defined(GLX_USE_APPLEGL) #include <stdbool.h> #include <dlfcn.h> #include "glxclient.h" #include "apple_glx_context.h" #include "apple_glx.h" #include "apple_cgl.h" #include "glx_error.h" static void applegl_destroy_context(struct glx_context *gc) { apple_glx_destroy_context(&gc->driContext, gc->psc->dpy); } static int applegl_bind_context(struct glx_context *gc, struct glx_context *old, GLXDrawable draw, GLXDrawable read) { Display *dpy = gc->psc->dpy; bool error = apple_glx_make_current_context(dpy, (old && old != &dummyContext) ? old->driContext : NULL, gc ? gc->driContext : NULL, draw); apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO"); if (error) return 1; /* GLXBadContext is the same as Success (0) */ apple_glapi_set_dispatch(); return Success; } static void applegl_unbind_context(struct glx_context *gc, struct glx_context *new) { Display *dpy; bool error; /* If we don't have a context, then we have nothing to unbind */ if (!gc) return; /* If we have a new context, keep this one around and remove it during bind. */ if (new) return; dpy = gc->psc->dpy; error = apple_glx_make_current_context(dpy, (gc != &dummyContext) ? gc->driContext : NULL, NULL, None); apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO"); } static void applegl_wait_gl(struct glx_context *gc) { glFinish(); } static void applegl_wait_x(struct glx_context *gc) { Display *dpy = gc->psc->dpy; apple_glx_waitx(dpy, gc->driContext); } static void * applegl_get_proc_address(const char *symbol) { return dlsym(apple_cgl_get_dl_handle(), symbol); } static const struct glx_context_vtable applegl_context_vtable = { applegl_destroy_context, applegl_bind_context, applegl_unbind_context, applegl_wait_gl, applegl_wait_x, DRI_glXUseXFont, NULL, /* bind_tex_image, */ NULL, /* release_tex_image, */ applegl_get_proc_address, }; struct glx_context * applegl_create_context(struct glx_screen *psc, struct glx_config *config, struct glx_context *shareList, int renderType) { struct glx_context *gc; int errorcode; bool x11error; Display *dpy = psc->dpy; int screen = psc->scr; /* TODO: Integrate this with apple_glx_create_context and make * struct apple_glx_context inherit from struct glx_context. */ gc = Xcalloc(1, sizeof (*gc)); if (gc == NULL) return NULL; if (!glx_context_init(gc, psc, config)) { Xfree(gc); return NULL; } gc->vtable = &applegl_context_vtable; gc->driContext = NULL; /* TODO: darwin: Integrate with above to do indirect */ if(apple_glx_create_context(&gc->driContext, dpy, screen, config, shareList ? shareList->driContext : NULL, &errorcode, &x11error)) { __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error); gc->vtable->destroy(gc); return NULL; } gc->currentContextTag = -1; gc->config = config; gc->isDirect = GL_TRUE; gc->xid = 1; /* Just something not None, so we know when to destroy * it in MakeContextCurrent. */ return gc; } struct glx_screen_vtable applegl_screen_vtable = { applegl_create_context }; _X_HIDDEN struct glx_screen * applegl_create_screen(int screen, struct glx_display * priv) { struct glx_screen *psc; psc = Xmalloc(sizeof *psc); if (psc == NULL) return NULL; memset(psc, 0, sizeof *psc); glx_screen_init(psc, screen, priv); psc->vtable = &applegl_screen_vtable; return psc; } _X_HIDDEN int applegl_create_display(struct glx_display *glx_dpy) { if(!apple_init_glx(glx_dpy->dpy)) return 1; return GLXBadContext; } #endif