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#include <dlfcn.h> 38 39#include "glxclient.h" 40#include "apple/apple_glx_context.h" 41#include "apple/apple_glx.h" 42#include "apple/apple_cgl.h" 43#include "glx_error.h" 44 45static void 46applegl_destroy_context(struct glx_context *gc) 47{ 48 apple_glx_destroy_context(&gc->driContext, gc->psc->dpy); 49} 50 51static int 52applegl_bind_context( 53 struct glx_context *gc, struct glx_context *old, 54 GLXDrawable draw, GLXDrawable read) 55{ 56 Display *dpy = gc->psc->dpy; 57 bool error = apple_glx_make_current_context( 58 dpy, 59 (old && old != &dummyContext) ? old->driContext : NULL, 60 gc ? gc->driContext : NULL, draw); 61 62 apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO"); 63 if (error) 64 return 1; /* GLXBadContext is the same as Success (0) */ 65 66 apple_glapi_set_dispatch(); 67 68 return Success; 69} 70 71static void 72applegl_unbind_context(struct glx_context *gc, struct glx_context *new) 73{ 74 Display *dpy; 75 bool error; 76 77 /* If we don't have a context, then we have nothing to unbind */ 78 if (!gc) 79 return; 80 81 /* If we have a new context, keep this one around and remove it during bind. */ 82 if (new) 83 return; 84 85 dpy = gc->psc->dpy; 86 87 error = apple_glx_make_current_context( 88 dpy, 89 (gc != &dummyContext) ? gc->driContext : NULL, 90 NULL, None); 91 92 apple_glx_diagnostic("%s: error %s\n", __func__, error ? "YES" : "NO"); 93} 94 95static void 96applegl_wait_gl(struct glx_context *gc) 97{ 98 glFinish(); 99} 100 101static void 102applegl_wait_x(struct glx_context *gc) 103{ 104 Display *dpy = gc->psc->dpy; 105 apple_glx_waitx(dpy, gc->driContext); 106} 107 108void * 109applegl_get_proc_address(const char *symbol) 110{ 111 return dlsym(apple_cgl_get_dl_handle(), symbol); 112} 113 114static const struct glx_context_vtable applegl_context_vtable = { 115 .destroy = applegl_destroy_context, 116 .bind = applegl_bind_context, 117 .unbind = applegl_unbind_context, 118 .wait_gl = applegl_wait_gl, 119 .wait_x = applegl_wait_x, 120}; 121 122struct glx_context * 123applegl_create_context( 124 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 if (!config) 138 return NULL; 139 140 gc = calloc(1, sizeof(*gc)); 141 if (gc == NULL) 142 return NULL; 143 144 if (!glx_context_init(gc, psc, config)) { 145 free(gc); 146 return NULL; 147 } 148 149 gc->vtable = &applegl_context_vtable; 150 gc->driContext = NULL; 151 152 /* TODO: darwin: Integrate with above to do indirect */ 153 if (apple_glx_create_context(&gc->driContext, dpy, screen, config, 154 shareList ? shareList->driContext : NULL, 155 &errorcode, &x11error)) { 156 __glXSendError(dpy, errorcode, 0, X_GLXCreateContext, x11error); 157 gc->vtable->destroy(gc); 158 return NULL; 159 } 160 161 gc->currentContextTag = -1; 162 gc->config = config; 163 gc->isDirect = GL_TRUE; 164 gc->xid = 1; /* Just something not None, so we know when to destroy 165 * it in MakeContextCurrent. */ 166 167 return gc; 168} 169 170static const struct glx_screen_vtable applegl_screen_vtable = { 171 .create_context = applegl_create_context, 172 .create_context_attribs = NULL, 173 .query_renderer_integer = NULL, 174 .query_renderer_string = NULL, 175}; 176 177_X_HIDDEN struct glx_screen * 178applegl_create_screen(int screen, struct glx_display * priv) 179{ 180 struct glx_screen *psc; 181 182 psc = calloc(1, sizeof *psc); 183 if (psc == NULL) 184 return NULL; 185 186 glx_screen_init(psc, screen, priv); 187 psc->vtable = &applegl_screen_vtable; 188 189 return psc; 190} 191 192_X_HIDDEN int 193applegl_create_display(struct glx_display *glx_dpy) 194{ 195 if(!apple_init_glx(glx_dpy->dpy)) 196 return 1; 197 198 return GLXBadContext; 199} 200 201#endif 202