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/*
* 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 = calloc(1, sizeof(*gc));
if (gc == NULL)
return NULL;
if (!glx_context_init(gc, psc, config)) {
free(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 = calloc(1, sizeof *psc);
if (psc == NULL)
return NULL;
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
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