src/glx/applegl_glx.c

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  * Copyright © 2011 Apple Inc.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Soft-
   7  * ware"), to deal in the Software without restriction, including without
   8  * limitation the rights to use, copy, modify, merge, publish, distribute,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, provided that the above copyright
  11  * notice(s) and this permission notice appear in all copies of the Soft-
  12  * ware and that both the above copyright notice(s) and this permission
  13  * notice appear in supporting documentation.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
  17  * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
  18  * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
  19  * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
  20  * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  21  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  22  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
  23  * MANCE OF THIS SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of a copyright holder shall
  26  * not be used in advertising or otherwise to promote the sale, use or
  27  * other dealings in this Software without prior written authorization of
  28  * the copyright holder.
  29  *
  30  * Authors:
  31  *   Kristian Høgsberg (krh@bitplanet.net)
  32  */
  33
  34 #if defined(GLX_USE_APPLEGL)
  35
  36 #include <stdbool.h>
  37
  38 #include "glxclient.h"
  39 #include "apple_glx_context.h"
  40 #include "apple_glx.h"
  41 #include "glx_error.h"
  42
  43 static void
  44 applegl_destroy_context(struct glx_context *gc)
  45 {
  46    apple_glx_destroy_context(&gc->driContext, gc->currentDpy);
  47 }
  48
  49 static int
  50 applegl_bind_context(struct glx_context *gc, struct glx_context *old,
  51                      GLXDrawable draw, GLXDrawable read)
  52 {
  53    Display *dpy = gc->psc->dpy;
  54    bool error = apple_glx_make_current_context(dpy,
  55                                                (old && old != &dummyContext) ? old->driContext : NULL,
  56                                                gc ? gc->driContext : NULL, draw);
  57
  58    apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO");
  59    if (error)
  60       return 1; /* GLXBadContext is the same as Success (0) */
  61
  62    return Success;
  63 }
  64
  65 static void
  66 applegl_unbind_context(struct glx_context *gc, struct glx_context *new)
  67 {
  68 }
  69
  70 static void
  71 applegl_wait_gl(struct glx_context *gc)
  72 {
  73    glFinish();
  74 }
  75
  76 static void
  77 applegl_wait_x(struct glx_context *gc)
  78 {
  79    Display *dpy = gc->psc->dpy;
  80    apple_glx_waitx(dpy, gc->driContext);
  81 }
  82
  83 static const struct glx_context_vtable applegl_context_vtable = {
  84    applegl_destroy_context,
  85    applegl_bind_context,
  86    applegl_unbind_context,
  87    applegl_wait_gl,
  88    applegl_wait_x,
  89    DRI_glXUseXFont,
  90    NULL, /* bind_tex_image, */
  91    NULL, /* release_tex_image, */
  92 };
  93
  94 struct glx_context *
  95 applegl_create_context(struct glx_screen *psc,
  96                        struct glx_config *config,
  97                        struct glx_context *shareList, int renderType)
  98 {
  99    struct glx_context *gc;
 100    int errorcode;
 101    bool x11error;
 102    Display *dpy = psc->dpy;
 103    int screen = psc->scr;
 104
 105    /* TODO: Integrate this with apple_glx_create_context and make
 106     * struct apple_glx_context inherit from struct glx_context. */
 107
 108    gc = Xcalloc(1, sizeof (*gc));
 109    if (gc == NULL)
 110       return NULL;
 111
 112    if (!glx_context_init(gc, psc, config)) {
 113       Xfree(gc);
 114       return NULL;
 115    }
 116
 117    gc->vtable = &applegl_context_vtable;
 118    gc->driContext = NULL;
 119
 120    /* TODO: darwin: Integrate with above to do indirect */
 121    if(apple_glx_create_context(&gc->driContext, dpy, screen, config,
 122                                shareList ? shareList->driContext : NULL,
 123                                &errorcode, &x11error)) {
 124       __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error);
 125       gc->vtable->destroy(gc);
 126       return NULL;
 127    }
 128
 129    gc->currentContextTag = -1;
 130    gc->config = config;
 131    gc->isDirect = GL_TRUE;
 132    gc->xid = 1; /* Just something not None, so we know when to destroy
 133                  * it in MakeContextCurrent. */
 134
 135    return gc;
 136 }
 137
 138 struct glx_screen_vtable applegl_screen_vtable = {
 139    applegl_create_context
 140 };
 141
 142 _X_HIDDEN struct glx_screen *
 143 applegl_create_screen(int screen, struct glx_display * priv)
 144 {
 145    struct glx_screen *psc;
 146
 147    psc = Xmalloc(sizeof *psc);
 148    if (psc == NULL)
 149       return NULL;
 150
 151    memset(psc, 0, sizeof *psc);
 152    glx_screen_init(psc, screen, priv);
 153    psc->vtable = &applegl_screen_vtable;
 154
 155    return psc;
 156 }
 157
 158 _X_HIDDEN int
 159 applegl_create_display(struct glx_display *glx_dpy)
 160 {
 161    if(!apple_init_glx(glx_dpy->dpy))
 162       return 1;
 163
 164    return GLXBadContext;
 165 }
 166
 167 #endif