diff options
author | Jeremy Huddleston <jeremyhu@apple.com> | 2010-04-01 17:00:22 -0700 |
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committer | Jeremy Huddleston <jeremyhu@apple.com> | 2010-04-01 17:01:51 -0700 |
commit | 115203281cf791221f586f03c14cfe4e0a44dd7a (patch) | |
tree | 767951e542d416243041b964dd252e030cfadf5e /src/glx/apple/apple_glx_drawable.c | |
parent | 9aadc793f3db64cefa0b08f18abad424a659dacc (diff) |
Revert accidental commits from the xquartz tree
This reverts commit 9aadc793f3db64cefa0b08f18abad424a659dacc.
This reverts commit 69ea4e7718efb60b6b0d795a355cebd6712ceac1.
This reverts commit dbe8b013936d977ec63d6607bfd2fc6772d29787.
This reverts commit 23215ef4d60a86d9f3b3fdc08e3fdadc59e98890.
This reverts commit 9495e3703062d1ddaf3161f4efc23f0b51284d9b.
This reverts commit 0594cf70883b64692ba617d85f4f9b4e636e5c2b.
This reverts commit 86a7978d37393ee34f876569ac06ffdb8d7289ae.
This reverts commit 437902ce978cde9a0e1aa260f12dc232a8501c42.
Diffstat (limited to 'src/glx/apple/apple_glx_drawable.c')
-rw-r--r-- | src/glx/apple/apple_glx_drawable.c | 542 |
1 files changed, 0 insertions, 542 deletions
diff --git a/src/glx/apple/apple_glx_drawable.c b/src/glx/apple/apple_glx_drawable.c deleted file mode 100644 index 5530224335..0000000000 --- a/src/glx/apple/apple_glx_drawable.c +++ /dev/null @@ -1,542 +0,0 @@ -/* - Copyright (c) 2008, 2009 Apple Inc. - - Permission is hereby granted, free of charge, to any person - obtaining a copy of this software and associated documentation files - (the "Software"), to deal in the Software without restriction, - including without limitation the rights to use, copy, modify, merge, - publish, distribute, sublicense, and/or sell copies of the Software, - and to permit persons to whom the Software is furnished to do so, - subject to the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT - HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - DEALINGS IN THE SOFTWARE. - - Except as contained in this notice, the name(s) of the above - copyright holders shall not be used in advertising or otherwise to - promote the sale, use or other dealings in this Software without - prior written authorization. -*/ - -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <assert.h> -#include <pthread.h> -#include "apple_glx.h" -#include "apple_glx_context.h" -#include "apple_glx_drawable.h" -#include "appledri.h" - -static pthread_mutex_t drawables_lock = PTHREAD_MUTEX_INITIALIZER; -static struct apple_glx_drawable *drawables_list = NULL; - -static void -lock_drawables_list(void) -{ - int err; - - err = pthread_mutex_lock(&drawables_lock); - - if (err) { - fprintf(stderr, "pthread_mutex_lock failure in %s: %d\n", - __func__, err); - abort(); - } -} - -static void -unlock_drawables_list(void) -{ - int err; - - err = pthread_mutex_unlock(&drawables_lock); - - if (err) { - fprintf(stderr, "pthread_mutex_unlock failure in %s: %d\n", - __func__, err); - abort(); - } -} - -struct apple_glx_drawable * -apple_glx_find_drawable(Display * dpy, GLXDrawable drawable) -{ - struct apple_glx_drawable *i, *agd = NULL; - - lock_drawables_list(); - - for (i = drawables_list; i; i = i->next) { - if (i->drawable == drawable) { - agd = i; - break; - } - } - - unlock_drawables_list(); - - return agd; -} - -static void -drawable_lock(struct apple_glx_drawable *agd) -{ - int err; - - err = pthread_mutex_lock(&agd->mutex); - - if (err) { - fprintf(stderr, "pthread_mutex_lock error: %d\n", err); - abort(); - } -} - -static void -drawable_unlock(struct apple_glx_drawable *d) -{ - int err; - - err = pthread_mutex_unlock(&d->mutex); - - if (err) { - fprintf(stderr, "pthread_mutex_unlock error: %d\n", err); - abort(); - } -} - - -static void -reference_drawable(struct apple_glx_drawable *d) -{ - d->lock(d); - d->reference_count++; - d->unlock(d); -} - -static void -release_drawable(struct apple_glx_drawable *d) -{ - d->lock(d); - d->reference_count--; - d->unlock(d); -} - -/* The drawables list must be locked prior to calling this. */ -/* Return true if the drawable was destroyed. */ -static bool -destroy_drawable(struct apple_glx_drawable *d) -{ - - d->lock(d); - - if (d->reference_count > 0) { - d->unlock(d); - return false; - } - - d->unlock(d); - - if (d->previous) { - d->previous->next = d->next; - } - else { - /* - * The item must be at the head of the list, if it - * has no previous pointer. - */ - drawables_list = d->next; - } - - if (d->next) - d->next->previous = d->previous; - - unlock_drawables_list(); - - if (d->callbacks.destroy) { - /* - * Warning: this causes other routines to be called (potentially) - * from surface_notify_handler. It's probably best to not have - * any locks at this point locked. - */ - d->callbacks.destroy(d->display, d); - } - - apple_glx_diagnostic("%s: freeing %p\n", __func__, (void *) d); - - free(d); - - /* So that the locks are balanced and the caller correctly unlocks. */ - lock_drawables_list(); - - return true; -} - -/* - * This is typically called when a context is destroyed or the current - * drawable is made None. - */ -static bool -destroy_drawable_callback(struct apple_glx_drawable *d) -{ - bool result; - - d->lock(d); - - apple_glx_diagnostic("%s: %p ->reference_count before -- %d\n", __func__, - (void *) d, d->reference_count); - - d->reference_count--; - - if (d->reference_count > 0) { - d->unlock(d); - return false; - } - - d->unlock(d); - - lock_drawables_list(); - - result = destroy_drawable(d); - - unlock_drawables_list(); - - return result; -} - -static bool -is_pbuffer(struct apple_glx_drawable *d) -{ - return APPLE_GLX_DRAWABLE_PBUFFER == d->type; -} - -static bool -is_pixmap(struct apple_glx_drawable *d) -{ - return APPLE_GLX_DRAWABLE_PIXMAP == d->type; -} - -static void -common_init(Display * dpy, GLXDrawable drawable, struct apple_glx_drawable *d) -{ - int err; - pthread_mutexattr_t attr; - - d->display = dpy; - d->reference_count = 0; - d->drawable = drawable; - d->type = -1; - - err = pthread_mutexattr_init(&attr); - - if (err) { - fprintf(stderr, "pthread_mutexattr_init error: %d\n", err); - abort(); - } - - /* - * There are some patterns that require a recursive mutex, - * when working with locks that protect the apple_glx_drawable, - * and reference functions like ->reference, and ->release. - */ - err = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); - - if (err) { - fprintf(stderr, "error: setting pthread mutex type: %d\n", err); - abort(); - } - - err = pthread_mutex_init(&d->mutex, &attr); - - if (err) { - fprintf(stderr, "pthread_mutex_init error: %d\n", err); - abort(); - } - - (void) pthread_mutexattr_destroy(&attr); - - d->lock = drawable_lock; - d->unlock = drawable_unlock; - - d->reference = reference_drawable; - d->release = release_drawable; - - d->destroy = destroy_drawable_callback; - - d->is_pbuffer = is_pbuffer; - d->is_pixmap = is_pixmap; - - d->width = -1; - d->height = -1; - d->row_bytes = 0; - d->path[0] = '\0'; - d->fd = -1; - d->buffer = NULL; - d->buffer_length = 0; - - d->previous = NULL; - d->next = NULL; -} - -static void -link_tail(struct apple_glx_drawable *agd) -{ - lock_drawables_list(); - - /* Link the new drawable into the global list. */ - agd->next = drawables_list; - - if (drawables_list) - drawables_list->previous = agd; - - drawables_list = agd; - - unlock_drawables_list(); -} - -/*WARNING: this returns a locked and referenced object. */ -bool -apple_glx_drawable_create(Display * dpy, - int screen, - GLXDrawable drawable, - struct apple_glx_drawable **agdResult, - struct apple_glx_drawable_callbacks *callbacks) -{ - struct apple_glx_drawable *d; - - d = calloc(1, sizeof *d); - - if (NULL == d) { - perror("malloc"); - return true; - } - - common_init(dpy, drawable, d); - d->type = callbacks->type; - d->callbacks = *callbacks; - - d->reference(d); - d->lock(d); - - link_tail(d); - - apple_glx_diagnostic("%s: new drawable %p\n", __func__, (void *) d); - - *agdResult = d; - - return false; -} - -static int error_count = 0; - -static int -error_handler(Display * dpy, XErrorEvent * err) -{ - if (err->error_code == BadWindow) { - ++error_count; - } - - return 0; -} - -void -apple_glx_garbage_collect_drawables(Display * dpy) -{ - struct apple_glx_drawable *d, *dnext; - Window root; - int x, y; - unsigned int width, height, bd, depth; - int (*old_handler) (Display *, XErrorEvent *); - - - if (NULL == drawables_list) - return; - - old_handler = XSetErrorHandler(error_handler); - - XSync(dpy, False); - - lock_drawables_list(); - - for (d = drawables_list; d;) { - dnext = d->next; - - d->lock(d); - - if (d->reference_count > 0) { - /* - * Skip this, because some context still retains a reference - * to the drawable. - */ - d->unlock(d); - d = dnext; - continue; - } - - d->unlock(d); - - error_count = 0; - - /* - * Mesa uses XGetWindowAttributes, but some of these things are - * most definitely not Windows, and that's against the rules. - * XGetGeometry on the other hand is legal with a Pixmap and Window. - */ - XGetGeometry(dpy, d->drawable, &root, &x, &y, &width, &height, &bd, - &depth); - - if (error_count > 0) { - /* - * Note: this may not actually destroy the drawable. - * If another context retains a reference to the drawable - * after the reference count test above. - */ - (void) destroy_drawable(d); - error_count = 0; - } - - d = dnext; - } - - XSetErrorHandler(old_handler); - - unlock_drawables_list(); -} - -unsigned int -apple_glx_get_drawable_count(void) -{ - unsigned int result = 0; - struct apple_glx_drawable *d; - - lock_drawables_list(); - - for (d = drawables_list; d; d = d->next) - ++result; - - unlock_drawables_list(); - - return result; -} - -struct apple_glx_drawable * -apple_glx_drawable_find_by_type(GLXDrawable drawable, int type, int flags) -{ - struct apple_glx_drawable *d; - - lock_drawables_list(); - - for (d = drawables_list; d; d = d->next) { - if (d->type == type && d->drawable == drawable) { - if (flags & APPLE_GLX_DRAWABLE_REFERENCE) - d->reference(d); - - if (flags & APPLE_GLX_DRAWABLE_LOCK) - d->lock(d); - - unlock_drawables_list(); - - return d; - } - } - - unlock_drawables_list(); - - return NULL; -} - -struct apple_glx_drawable * -apple_glx_drawable_find(GLXDrawable drawable, int flags) -{ - struct apple_glx_drawable *d; - - lock_drawables_list(); - - for (d = drawables_list; d; d = d->next) { - if (d->drawable == drawable) { - if (flags & APPLE_GLX_DRAWABLE_REFERENCE) - d->reference(d); - - if (flags & APPLE_GLX_DRAWABLE_LOCK) - d->lock(d); - - unlock_drawables_list(); - - return d; - } - } - - unlock_drawables_list(); - - return NULL; -} - -/* Return true if the type is valid for the drawable. */ -bool -apple_glx_drawable_destroy_by_type(Display * dpy, - GLXDrawable drawable, int type) -{ - struct apple_glx_drawable *d; - - lock_drawables_list(); - - for (d = drawables_list; d; d = d->next) { - if (drawable == d->drawable && type == d->type) { - /* - * The user has requested that we destroy this resource. - * However, there may be references in the contexts to it, so - * release it, and call destroy_drawable which doesn't destroy - * if the reference_count is > 0. - */ - d->release(d); - - apple_glx_diagnostic("%s d->reference_count %d\n", - __func__, d->reference_count); - - destroy_drawable(d); - unlock_drawables_list(); - return true; - } - } - - unlock_drawables_list(); - - return false; -} - -struct apple_glx_drawable * -apple_glx_drawable_find_by_uid(unsigned int uid, int flags) -{ - struct apple_glx_drawable *d; - - lock_drawables_list(); - - for (d = drawables_list; d; d = d->next) { - /* Only surfaces have a uid. */ - if (APPLE_GLX_DRAWABLE_SURFACE == d->type) { - if (d->types.surface.uid == uid) { - if (flags & APPLE_GLX_DRAWABLE_REFERENCE) - d->reference(d); - - if (flags & APPLE_GLX_DRAWABLE_LOCK) - d->lock(d); - - unlock_drawables_list(); - - return d; - } - } - } - - unlock_drawables_list(); - - return NULL; -} |