apple_glx_drawable.c revision 1a33c1b2b895566299ec76643659adacc239a3dc
1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* 2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (c) 2008, 2009 Apple Inc. 3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Permission is hereby granted, free of charge, to any person 5ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown obtaining a copy of this software and associated documentation files 6ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (the "Software"), to deal in the Software without restriction, 7ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown including without limitation the rights to use, copy, modify, merge, 8ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown publish, distribute, sublicense, and/or sell copies of the Software, 9ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and to permit persons to whom the Software is furnished to do so, 10ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown subject to the following conditions: 11ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The above copyright notice and this permission notice shall be 13ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown included in all copies or substantial portions of the Software. 14ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 15ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT 19436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 20ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DEALINGS IN THE SOFTWARE. 23ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 24ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Except as contained in this notice, the name(s) of the above 25ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown copyright holders shall not be used in advertising or otherwise to 26ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown promote the sale, use or other dealings in this Software without 27ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown prior written authorization. 28ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 29ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 30ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdbool.h> 31ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdio.h> 32ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdlib.h> 33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <assert.h> 34ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <pthread.h> 35ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "apple_glx.h" 36ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "apple_glx_context.h" 37ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "apple_glx_drawable.h" 38ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "appledri.h" 39ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 40ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic pthread_mutex_t drawables_lock = PTHREAD_MUTEX_INITIALIZER; 41ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic struct apple_glx_drawable *drawables_list = NULL; 42ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 43ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 44ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownlock_drawables_list(void) 45ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 46ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err; 47ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 48ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutex_lock(&drawables_lock); 49ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 50ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 51ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutex_lock failure in %s: %d\n", 52ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown __func__, err); 53ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 54ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 55ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 56ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 57ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 58ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownunlock_drawables_list(void) 59ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 60ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err; 61ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 62ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutex_unlock(&drawables_lock); 63ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 64ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 65ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutex_unlock failure in %s: %d\n", 66ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown __func__, err); 67ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 68ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 69ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 70ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 71ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstruct apple_glx_drawable * 72ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_find_drawable(Display * dpy, GLXDrawable drawable) 73ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 74ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *i, *agd = NULL; 75ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 76ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 77ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 78ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = drawables_list; i; i = i->next) { 79ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i->drawable == drawable) { 80ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown agd = i; 81ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 82ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 83ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 84ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 85ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 86ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 87ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return agd; 88ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 89ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 90ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 91ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browndrawable_lock(struct apple_glx_drawable *agd) 92ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 93ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err; 94ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 95ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutex_lock(&agd->mutex); 96ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 97ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 98ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutex_lock error: %d\n", err); 99ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browndrawable_unlock(struct apple_glx_drawable *d) 105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err; 107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutex_unlock(&d->mutex); 109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutex_unlock error: %d\n", err); 112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownreference_drawable(struct apple_glx_drawable *d) 119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference_count++; 122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownrelease_drawable(struct apple_glx_drawable *d) 127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference_count--; 130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* The drawables list must be locked prior to calling this. */ 134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Return true if the drawable was destroyed. */ 135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic bool 136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browndestroy_drawable(struct apple_glx_drawable *d) 137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err; 139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->reference_count > 0) { 143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return false; 145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->previous) { 150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->previous->next = d->next; 151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else { 153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * The item must be at the head of the list, if it 155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * has no previous pointer. 156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown drawables_list = d->next; 158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->next) 161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->next->previous = d->previous; 162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->callbacks.destroy) { 166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * Warning: this causes other routines to be called (potentially) 168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * from surface_notify_handler. It's probably best to not have 169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * any locks at this point locked. 170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 171436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov d->callbacks.destroy(d->display, d); 172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown apple_glx_diagnostic("%s: freeing %p\n", __func__, (void *) d); 175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutex_destroy(&d->mutex); 177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutex_destroy error: %s\n", strerror(err)); 179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown free(d); 183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* So that the locks are balanced and the caller correctly unlocks. */ 185b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov lock_drawables_list(); 186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return true; 188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* 191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * This is typically called when a context is destroyed or the current 192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * drawable is made None. 193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic bool 195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browndestroy_drawable_callback(struct apple_glx_drawable *d) 196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bool result; 198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown apple_glx_diagnostic("%s: %p ->reference_count before -- %d\n", __func__, 202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (void *) d, d->reference_count); 203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference_count--; 205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->reference_count > 0) { 207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return false; 209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown result = destroy_drawable(d); 216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return result; 220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic bool 223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownis_pbuffer(struct apple_glx_drawable *d) 224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return APPLE_GLX_DRAWABLE_PBUFFER == d->type; 226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic bool 229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownis_pixmap(struct apple_glx_drawable *d) 230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return APPLE_GLX_DRAWABLE_PIXMAP == d->type; 232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browncommon_init(Display * dpy, GLXDrawable drawable, struct apple_glx_drawable *d) 236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err; 238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pthread_mutexattr_t attr; 239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->display = dpy; 241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference_count = 0; 242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->drawable = drawable; 243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->type = -1; 244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutexattr_init(&attr); 246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutexattr_init error: %d\n", err); 249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * There are some patterns that require a recursive mutex, 254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * when working with locks that protect the apple_glx_drawable, 255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * and reference functions like ->reference, and ->release. 256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); 258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "error: setting pthread mutex type: %d\n", err); 261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown err = pthread_mutex_init(&d->mutex, &attr); 265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err) { 267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr, "pthread_mutex_init error: %d\n", err); 268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown abort(); 269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (void) pthread_mutexattr_destroy(&attr); 272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock = drawable_lock; 274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock = drawable_unlock; 275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference = reference_drawable; 277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->release = release_drawable; 278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->destroy = destroy_drawable_callback; 280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->is_pbuffer = is_pbuffer; 282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->is_pixmap = is_pixmap; 283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->width = -1; 285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->height = -1; 286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->row_bytes = 0; 287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->path[0] = '\0'; 288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->fd = -1; 289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->buffer = NULL; 290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->buffer_length = 0; 291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->previous = NULL; 293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->next = NULL; 294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void 297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownlink_tail(struct apple_glx_drawable *agd) 298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Link the new drawable into the global list. */ 302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown agd->next = drawables_list; 303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (drawables_list) 305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown drawables_list->previous = agd; 306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown drawables_list = agd; 308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*WARNING: this returns a locked and referenced object. */ 313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownbool 314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_drawable_create(Display * dpy, 315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int screen, 316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GLXDrawable drawable, 317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable **agdResult, 318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable_callbacks *callbacks) 319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d; 321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d = calloc(1, sizeof *d); 323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (NULL == d) { 325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown perror("malloc"); 326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return true; 327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown common_init(dpy, drawable, d); 330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->type = callbacks->type; 331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->callbacks = *callbacks; 332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference(d); 334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown link_tail(d); 337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown apple_glx_diagnostic("%s: new drawable %p\n", __func__, (void *) d); 339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *agdResult = d; 341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return false; 343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic int error_count = 0; 346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic int 348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownerror_handler(Display * dpy, XErrorEvent * err) 349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (err->error_code == BadWindow) { 351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ++error_count; 352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 357436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanovvoid 358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_garbage_collect_drawables(Display * dpy) 359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d, *dnext; 361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Window root; 362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int x, y; 363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int width, height, bd, depth; 364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int (*old_handler) (Display *, XErrorEvent *); 365663860b1408516d02ebfcb3a9999a134e6cfb223Ben Cheng 366436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov 367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (NULL == drawables_list) 368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return; 369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown old_handler = XSetErrorHandler(error_handler); 371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown XSync(dpy, False); 373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 374436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov lock_drawables_list(); 375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (d = drawables_list; d;) { 377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown dnext = d->next; 378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->reference_count > 0) { 382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * Skip this, because some context still retains a reference 384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * to the drawable. 385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d = dnext; 388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->unlock(d); 392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown error_count = 0; 394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * Mesa uses XGetWindowAttributes, but some of these things are 397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * most definitely not Windows, and that's against the rules. 398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * XGetGeometry on the other hand is legal with a Pixmap and Window. 399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown XGetGeometry(dpy, d->drawable, &root, &x, &y, &width, &height, &bd, 401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown &depth); 402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (error_count > 0) { 404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * Note: this may not actually destroy the drawable. 406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * If another context retains a reference to the drawable 407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * after the reference count test above. 408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (void) destroy_drawable(d); 410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown error_count = 0; 411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d = dnext; 414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown XSetErrorHandler(old_handler); 417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownunsigned int 422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_get_drawable_count(void) 423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int result = 0; 425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d; 426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (d = drawables_list; d; d = d->next) 430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ++result; 431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return result; 435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstruct apple_glx_drawable * 438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_drawable_find_by_type(GLXDrawable drawable, int type, int flags) 439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d; 441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (d = drawables_list; d; d = d->next) { 445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->type == type && d->drawable == drawable) { 446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & APPLE_GLX_DRAWABLE_REFERENCE) 447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference(d); 448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & APPLE_GLX_DRAWABLE_LOCK) 450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return d; 455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return NULL; 461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstruct apple_glx_drawable * 464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_drawable_find(GLXDrawable drawable, int flags) 465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d; 467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (d = drawables_list; d; d = d->next) { 471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->drawable == drawable) { 472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & APPLE_GLX_DRAWABLE_REFERENCE) 473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->reference(d); 474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & APPLE_GLX_DRAWABLE_LOCK) 476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->lock(d); 477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return d; 481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return NULL; 487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Return true if the type is valid for the drawable. */ 490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownbool 491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_drawable_destroy_by_type(Display * dpy, 492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GLXDrawable drawable, int type) 493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d; 495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (d = drawables_list; d; d = d->next) { 499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (drawable == d->drawable && type == d->type) { 500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * The user has requested that we destroy this resource. 502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * However, there may be references in the contexts to it, so 503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * release it, and call destroy_drawable which doesn't destroy 504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * if the reference_count is > 0. 505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d->release(d); 507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown apple_glx_diagnostic("%s d->reference_count %d\n", 509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown __func__, d->reference_count); 510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown destroy_drawable(d); 512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return true; 514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return false; 520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstruct apple_glx_drawable * 523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownapple_glx_drawable_find_by_uid(unsigned int uid, int flags) 524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct apple_glx_drawable *d; 526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lock_drawables_list(); 528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (d = drawables_list; d; d = d->next) { 530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Only surfaces have a uid. */ 531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (APPLE_GLX_DRAWABLE_SURFACE == d->type) { 532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (d->types.surface.uid == uid) { 533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & APPLE_GLX_DRAWABLE_REFERENCE) 534436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov d->reference(d); 535436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov 536436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov if (flags & APPLE_GLX_DRAWABLE_LOCK) 537436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov d->lock(d); 538436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov 539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return d; 542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unlock_drawables_list(); 547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return NULL; 549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown