src/glx/applegl_glx.c

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Soft-
   6  * ware"), to deal in the Software without restriction, including without
   7  * limitation the rights to use, copy, modify, merge, publish, distribute,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, provided that the above copyright
  10  * notice(s) and this permission notice appear in all copies of the Soft-
  11  * ware and that both the above copyright notice(s) and this permission
  12  * notice appear in supporting documentation.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
  16  * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
  17  * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
  18  * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
  19  * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  20  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  21  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
  22  * MANCE OF THIS SOFTWARE.
  23  *
  24  * Except as contained in this notice, the name of a copyright holder shall
  25  * not be used in advertising or otherwise to promote the sale, use or
  26  * other dealings in this Software without prior written authorization of
  27  * the copyright holder.
  28  *
  29  * Authors:
  30  *   Kristian Høgsberg (krh@bitplanet.net)
  31  */
  32
  33 #if defined(GLX_USE_APPLEGL)
  34
  35 static void
  36 applegl_destroy_context(struct glx_context *gc)
  37 {
  38    apple_glx_destroy_context(&gc->driContext, gc->currentDpy);
  39 }
  40
  41 static int
  42 applegl_bind_context(struct glx_context *gc, struct glx_context *old,
  43                      GLXDrawable draw, GLXDrawable read)
  44 {
  45    bool error = apple_glx_make_current_context(dpy,
  46                                                (oldGC && oldGC != &dummyContext) ? oldGC->driContext : NUL~
  47                                                gc ? gc->driContext : NULL, draw);
  48
  49    apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO");
  50    if (error)
  51       return GLXBadContext;
  52
  53    return Success;
  54 }
  55
  56 static void
  57 applegl_unbind_context(struct glx_context *gc, struct glx_context *new)
  58 {
  59 }
  60
  61 static void
  62 applegl_wait_gl(struct glx_context *gc)
  63 {
  64    glFinish();
  65 }
  66
  67 static void
  68 applegl_wait_x(struct glx_context *gc)
  69 {
  70    apple_glx_waitx(gc->dpy, gc->driContext);
  71 }
  72
  73 static const struct glx_context_vtable applegl_context_vtable = {
  74    applegl_destroy_context,
  75    applegl_bind_context,
  76    applegl_unbind_context,
  77    applegl_wait_gl,
  78    applegl_wait_x,
  79    DRI_glXUseXFont,
  80    NULL, /* bind_tex_image, */
  81    NULL, /* release_tex_image, */
  82 };
  83
  84 static struct glx_context *
  85 applegl_create_context(struct glx_screen *psc,
  86                        struct glx_config *mode,
  87                        struct glx_context *shareList, int renderType)
  88 {
  89    struct glx_context *gc;
  90    int errorcode;
  91    bool x11error;
  92
  93    /* TODO: Integrate this with apple_glx_create_context and make
  94     * struct apple_glx_context inherit from struct glx_context. */
  95
  96    gc = Xmalloc(sizeof *gc);
  97    if (pcp == NULL)
  98       return NULL;
  99
 100    memset(gc, 0, sizeof *gc);
 101    if (!glx_context_init(&gc->base, &psc->base, mode)) {
 102       Xfree(gc);
 103       return NULL;
 104    }
 105
 106    gc->vtable = &applegl_context_vtable;
 107    gc->driContext = NULL;
 108    gc->do_destroy = False;
 109
 110    /* TODO: darwin: Integrate with above to do indirect */
 111    if(apple_glx_create_context(&gc->driContext, dpy, screen, fbconfig,
 112                                shareList ? shareList->driContext : NULL,
 113                                &errorcode, &x11error)) {
 114       __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error);
 115       gc->vtable->destroy(gc);
 116       return NULL;
 117    }
 118
 119    gc->currentContextTag = -1;
 120    gc->mode = fbconfig;
 121    gc->isDirect = allowDirect;
 122    gc->xid = 1; /* Just something not None, so we know when to destroy
 123                  * it in MakeContextCurrent. */
 124
 125    return gc;
 126 }
 127
 128 struct glx_screen_vtable appegl_screen_vtable = {
 129    applegl_create_context
 130 };
 131
 132 _X_HIDDEN struct glx_screen *
 133 applegl_create_screen(int screen, struct glx_display * priv)
 134 {
 135    struct glx_screen *psc;
 136
 137    psc = Xmalloc(sizeof *psc);
 138    if (psc == NULL)
 139       return NULL;
 140
 141    memset(psc, 0, sizeof *psc);
 142    glx_screen_init(psc, screen, priv);
 143    psc->vtable = &applegl_screen_vtable;
 144
 145    return psc;
 146 }
 147
 148 _X_HIDDEN int
 149 applegl_create_display(struct glx_display *display)
 150 {
 151    /* create applegl display and stuff in display->appleglDisplay */
 152    apple_init_glx(display);
 153 }
 154
 155 #endif