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 Hgsberg (krh (at) bitplanet.net) 32 */ 33 34 #if defined(GLX_USE_APPLEGL) 35 36 #include <stdbool.h> 37 #include <dlfcn.h> 38 39 #include "glxclient.h" 40 #include "apple_glx_context.h" 41 #include "apple_glx.h" 42 #include "apple_cgl.h" 43 #include "glx_error.h" 44 45 static void 46 applegl_destroy_context(struct glx_context *gc) 47 { 48 apple_glx_destroy_context(&gc->driContext, gc->psc->dpy); 49 } 50 51 static int 52 applegl_bind_context(struct glx_context *gc, struct glx_context *old, 53 GLXDrawable draw, GLXDrawable read) 54 { 55 Display *dpy = gc->psc->dpy; 56 bool error = apple_glx_make_current_context(dpy, 57 (old && old != &dummyContext) ? old->driContext : NULL, 58 gc ? gc->driContext : NULL, draw); 59 60 apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO"); 61 if (error) 62 return 1; /* GLXBadContext is the same as Success (0) */ 63 64 apple_glapi_set_dispatch(); 65 66 return Success; 67 } 68 69 static void 70 applegl_unbind_context(struct glx_context *gc, struct glx_context *new) 71 { 72 Display *dpy; 73 bool error; 74 75 /* If we don't have a context, then we have nothing to unbind */ 76 if (!gc) 77 return; 78 79 /* If we have a new context, keep this one around and remove it during bind. */ 80 if (new) 81 return; 82 83 dpy = gc->psc->dpy; 84 85 error = apple_glx_make_current_context(dpy, 86 (gc != &dummyContext) ? gc->driContext : NULL, 87 NULL, None); 88 89 apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO"); 90 } 91 92 static void 93 applegl_wait_gl(struct glx_context *gc) 94 { 95 glFinish(); 96 } 97 98 static void 99 applegl_wait_x(struct glx_context *gc) 100 { 101 Display *dpy = gc->psc->dpy; 102 apple_glx_waitx(dpy, gc->driContext); 103 } 104 105 static void * 106 applegl_get_proc_address(const char *symbol) 107 { 108 return dlsym(apple_cgl_get_dl_handle(), symbol); 109 } 110 111 static const struct glx_context_vtable applegl_context_vtable = { 112 applegl_destroy_context, 113 applegl_bind_context, 114 applegl_unbind_context, 115 applegl_wait_gl, 116 applegl_wait_x, 117 DRI_glXUseXFont, 118 NULL, /* bind_tex_image, */ 119 NULL, /* release_tex_image, */ 120 applegl_get_proc_address, 121 }; 122 123 struct glx_context * 124 applegl_create_context(struct glx_screen *psc, 125 struct glx_config *config, 126 struct glx_context *shareList, int renderType) 127 { 128 struct glx_context *gc; 129 int errorcode; 130 bool x11error; 131 Display *dpy = psc->dpy; 132 int screen = psc->scr; 133 134 /* TODO: Integrate this with apple_glx_create_context and make 135 * struct apple_glx_context inherit from struct glx_context. */ 136 137 gc = Xcalloc(1, sizeof (*gc)); 138 if (gc == NULL) 139 return NULL; 140 141 if (!glx_context_init(gc, psc, config)) { 142 Xfree(gc); 143 return NULL; 144 } 145 146 gc->vtable = &applegl_context_vtable; 147 gc->driContext = NULL; 148 149 /* TODO: darwin: Integrate with above to do indirect */ 150 if(apple_glx_create_context(&gc->driContext, dpy, screen, config, 151 shareList ? shareList->driContext : NULL, 152 &errorcode, &x11error)) { 153 __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error); 154 gc->vtable->destroy(gc); 155 return NULL; 156 } 157 158 gc->currentContextTag = -1; 159 gc->config = config; 160 gc->isDirect = GL_TRUE; 161 gc->xid = 1; /* Just something not None, so we know when to destroy 162 * it in MakeContextCurrent. */ 163 164 return gc; 165 } 166 167 struct glx_screen_vtable applegl_screen_vtable = { 168 applegl_create_context 169 }; 170 171 _X_HIDDEN struct glx_screen * 172 applegl_create_screen(int screen, struct glx_display * priv) 173 { 174 struct glx_screen *psc; 175 176 psc = Xmalloc(sizeof *psc); 177 if (psc == NULL) 178 return NULL; 179 180 memset(psc, 0, sizeof *psc); 181 glx_screen_init(psc, screen, priv); 182 psc->vtable = &applegl_screen_vtable; 183 184 return psc; 185 } 186 187 _X_HIDDEN int 188 applegl_create_display(struct glx_display *glx_dpy) 189 { 190 if(!apple_init_glx(glx_dpy->dpy)) 191 return 1; 192 193 return GLXBadContext; 194 } 195 196 #endif 197
