switch to tinyobj and nanovg from assimp and cairo

1 files changed, 0 insertions, 337 deletions

diff --git a/libs/cairo-1.16.0/src/cairo-xcb-shm.c b/libs/cairo-1.16.0/src/cairo-xcb-shm.c
deleted file mode 100644
index 763778a..0000000
--- a/libs/cairo-1.16.0/src/cairo-xcb-shm.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/* Cairo - a vector graphics library with display and print output
- *
- * Copyright © 2007 Chris Wilson
- * Copyright © 2009 Intel Corporation
- *
- * This library is free software; you can redistribute it and/or
- * modify it either under the terms of the GNU Lesser General Public
- * License version 2.1 as published by the Free Software Foundation
- * (the "LGPL") or, at your option, under the terms of the Mozilla
- * Public License Version 1.1 (the "MPL"). If you do not alter this
- * notice, a recipient may use your version of this file under either
- * the MPL or the LGPL.
- *
- * You should have received a copy of the LGPL along with this library
- * in the file COPYING-LGPL-2.1; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
- * You should have received a copy of the MPL along with this library
- * in the file COPYING-MPL-1.1
- *
- * The contents of this file are subject to the Mozilla Public License
- * Version 1.1 (the "License"); you may not use this file except in
- * compliance with the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
- * OF ANY KIND, either express or implied. See the LGPL or the MPL for
- * the specific language governing rights and limitations.
- *
- * The Original Code is the cairo graphics library.
- *
- * The Initial Developer of the Original Code is Red Hat, Inc.
- *
- * Contributors(s):
- *	Chris Wilson <chris@chris-wilson.co.uk>
- */
-
-#include "cairoint.h"
-
-#if CAIRO_HAS_XCB_SHM_FUNCTIONS
-
-#include "cairo-xcb-private.h"
-#include "cairo-list-inline.h"
-#include "cairo-mempool-private.h"
-
-#include <xcb/shm.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <errno.h>
-
-#define CAIRO_MAX_SHM_MEMORY (16*1024*1024)
-
-/* a simple buddy allocator for memory pools
- * XXX fragmentation? use Doug Lea's malloc?
- */
-
-typedef struct _cairo_xcb_shm_mem_block cairo_xcb_shm_mem_block_t;
-
-typedef enum {
-    PENDING_WAIT,
-    PENDING_POLL
-} shm_wait_type_t;
-
-struct _cairo_xcb_shm_mem_pool {
-    int shmid;
-    uint32_t shmseg;
-    void *shm;
-
-    cairo_mempool_t mem;
-
-    cairo_list_t link;
-};
-
-static void
-_cairo_xcb_shm_mem_pool_destroy (cairo_xcb_shm_mem_pool_t *pool)
-{
-    cairo_list_del (&pool->link);
-
-    shmdt (pool->shm);
-    _cairo_mempool_fini (&pool->mem);
-
-    free (pool);
-}
-
-static void
-_cairo_xcb_shm_info_finalize (cairo_xcb_shm_info_t *shm_info)
-{
-    cairo_xcb_connection_t *connection = shm_info->connection;
-
-    assert (CAIRO_MUTEX_IS_LOCKED (connection->shm_mutex));
-
-    _cairo_mempool_free (&shm_info->pool->mem, shm_info->mem);
-    _cairo_freepool_free (&connection->shm_info_freelist, shm_info);
-
-    /* scan for old, unused pools - hold at least one in reserve */
-    if (! cairo_list_is_singular (&connection->shm_pools))
-    {
-	cairo_xcb_shm_mem_pool_t *pool, *next;
-	cairo_list_t head;
-
-	cairo_list_init (&head);
-	cairo_list_move (connection->shm_pools.next, &head);
-
-	cairo_list_foreach_entry_safe (pool, next, cairo_xcb_shm_mem_pool_t,
-				       &connection->shm_pools, link)
-	{
-	    if (pool->mem.free_bytes == pool->mem.max_bytes) {
-		_cairo_xcb_connection_shm_detach (connection, pool->shmseg);
-		_cairo_xcb_shm_mem_pool_destroy (pool);
-	    }
-	}
-
-	cairo_list_move (head.next, &connection->shm_pools);
-    }
-}
-
-static void
-_cairo_xcb_shm_process_pending (cairo_xcb_connection_t *connection, shm_wait_type_t wait)
-{
-    cairo_xcb_shm_info_t *info, *next;
-    xcb_get_input_focus_reply_t *reply;
-
-    assert (CAIRO_MUTEX_IS_LOCKED (connection->shm_mutex));
-    cairo_list_foreach_entry_safe (info, next, cairo_xcb_shm_info_t,
-				   &connection->shm_pending, pending)
-    {
-	switch (wait) {
-	case PENDING_WAIT:
-	     reply = xcb_wait_for_reply (connection->xcb_connection,
-					 info->sync.sequence, NULL);
-	     break;
-	case PENDING_POLL:
-	    if (! xcb_poll_for_reply (connection->xcb_connection,
-				      info->sync.sequence,
-				      (void **) &reply, NULL))
-		/* We cannot be sure the server finished with this image yet, so
-		 * try again later. All other shm info are guaranteed to have a
-		 * larger sequence number and thus don't have to be checked. */
-		return;
-	    break;
-	default:
-	    /* silence Clang static analyzer warning */
-	    ASSERT_NOT_REACHED;
-	    reply = NULL;
-	}
-
-	free (reply);
-	cairo_list_del (&info->pending);
-	_cairo_xcb_shm_info_finalize (info);
-    }
-}
-
-cairo_int_status_t
-_cairo_xcb_connection_allocate_shm_info (cairo_xcb_connection_t *connection,
-					 size_t size,
-					 cairo_bool_t might_reuse,
-					 cairo_xcb_shm_info_t **shm_info_out)
-{
-    cairo_xcb_shm_info_t *shm_info;
-    cairo_xcb_shm_mem_pool_t *pool, *next;
-    size_t bytes, maxbits = 16, minbits = 8;
-    size_t shm_allocated = 0;
-    void *mem = NULL;
-    cairo_status_t status;
-
-    assert (connection->flags & CAIRO_XCB_HAS_SHM);
-
-    CAIRO_MUTEX_LOCK (connection->shm_mutex);
-    _cairo_xcb_shm_process_pending (connection, PENDING_POLL);
-
-    if (might_reuse) {
-	cairo_list_foreach_entry (shm_info, cairo_xcb_shm_info_t,
-		&connection->shm_pending, pending) {
-	    if (shm_info->size >= size) {
-		cairo_list_del (&shm_info->pending);
-		CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-
-		xcb_discard_reply (connection->xcb_connection, shm_info->sync.sequence);
-		shm_info->sync.sequence = XCB_NONE;
-
-		*shm_info_out = shm_info;
-		return CAIRO_STATUS_SUCCESS;
-	    }
-	}
-    }
-
-    cairo_list_foreach_entry_safe (pool, next, cairo_xcb_shm_mem_pool_t,
-				   &connection->shm_pools, link)
-    {
-	if (pool->mem.free_bytes > size) {
-	    mem = _cairo_mempool_alloc (&pool->mem, size);
-	    if (mem != NULL) {
-		/* keep the active pools towards the front */
-		cairo_list_move (&pool->link, &connection->shm_pools);
-		goto allocate_shm_info;
-	    }
-	}
-	/* scan for old, unused pools */
-	if (pool->mem.free_bytes == pool->mem.max_bytes) {
-	    _cairo_xcb_connection_shm_detach (connection,
-					      pool->shmseg);
-	    _cairo_xcb_shm_mem_pool_destroy (pool);
-	} else {
-	    shm_allocated += pool->mem.max_bytes;
-	}
-    }
-
-    if (unlikely (shm_allocated >= CAIRO_MAX_SHM_MEMORY)) {
-	CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
-    }
-
-    pool = _cairo_malloc (sizeof (cairo_xcb_shm_mem_pool_t));
-    if (unlikely (pool == NULL)) {
-	CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
-    }
-
-    bytes = 1 << maxbits;
-    while (bytes <= size)
-	bytes <<= 1, maxbits++;
-    bytes <<= 3;
-
-    do {
-	pool->shmid = shmget (IPC_PRIVATE, bytes, IPC_CREAT | 0600);
-	if (pool->shmid != -1)
-	    break;
-
-	/* If the allocation failed because we asked for too much memory, we try
-	 * again with a smaller request, as long as our allocation still fits. */
-	bytes >>= 1;
-	if (errno != EINVAL || bytes < size)
-	    break;
-    } while (TRUE);
-    if (pool->shmid == -1) {
-	int err = errno;
-	if (! (err == EINVAL || err == ENOMEM))
-	    connection->flags &= ~CAIRO_XCB_HAS_SHM;
-	free (pool);
-	CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-	return CAIRO_INT_STATUS_UNSUPPORTED;
-    }
-
-    pool->shm = shmat (pool->shmid, NULL, 0);
-    if (unlikely (pool->shm == (char *) -1)) {
-	shmctl (pool->shmid, IPC_RMID, NULL);
-	free (pool);
-	CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
-    }
-
-    status = _cairo_mempool_init (&pool->mem, pool->shm, bytes,
-				  minbits, maxbits - minbits + 1);
-    if (unlikely (status)) {
-	shmdt (pool->shm);
-	free (pool);
-	CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-	return status;
-    }
-
-    pool->shmseg = _cairo_xcb_connection_shm_attach (connection, pool->shmid, FALSE);
-    shmctl (pool->shmid, IPC_RMID, NULL);
-
-    cairo_list_add (&pool->link, &connection->shm_pools);
-    mem = _cairo_mempool_alloc (&pool->mem, size);
-
-  allocate_shm_info:
-    shm_info = _cairo_freepool_alloc (&connection->shm_info_freelist);
-    if (unlikely (shm_info == NULL)) {
-	_cairo_mempool_free (&pool->mem, mem);
-	CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-	return _cairo_error (CAIRO_STATUS_NO_MEMORY);
-    }
-
-    shm_info->connection = connection;
-    shm_info->pool = pool;
-    shm_info->shm = pool->shmseg;
-    shm_info->size = size;
-    shm_info->offset = (char *) mem - (char *) pool->shm;
-    shm_info->mem = mem;
-    shm_info->sync.sequence = XCB_NONE;
-
-    /* scan for old, unused pools */
-    cairo_list_foreach_entry_safe (pool, next, cairo_xcb_shm_mem_pool_t,
-				   &connection->shm_pools, link)
-    {
-	if (pool->mem.free_bytes == pool->mem.max_bytes) {
-	    _cairo_xcb_connection_shm_detach (connection,
-					      pool->shmseg);
-	    _cairo_xcb_shm_mem_pool_destroy (pool);
-	}
-    }
-    CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-
-    *shm_info_out = shm_info;
-    return CAIRO_STATUS_SUCCESS;
-}
-
-void
-_cairo_xcb_shm_info_destroy (cairo_xcb_shm_info_t *shm_info)
-{
-    cairo_xcb_connection_t *connection = shm_info->connection;
-
-    /* We can only return shm_info->mem to the allocator when we can be sure
-     * that the X server no longer reads from it. Since the X server processes
-     * requests in order, we send a GetInputFocus here.
-     * _cairo_xcb_shm_process_pending () will later check if the reply for that
-     * request was received and then actually mark this memory area as free. */
-
-    CAIRO_MUTEX_LOCK (connection->shm_mutex);
-    assert (shm_info->sync.sequence == XCB_NONE);
-    shm_info->sync = xcb_get_input_focus (connection->xcb_connection);
-
-    cairo_list_init (&shm_info->pending);
-    cairo_list_add_tail (&shm_info->pending, &connection->shm_pending);
-    CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-}
-
-void
-_cairo_xcb_connection_shm_mem_pools_flush (cairo_xcb_connection_t *connection)
-{
-    CAIRO_MUTEX_LOCK (connection->shm_mutex);
-    _cairo_xcb_shm_process_pending (connection, PENDING_WAIT);
-    CAIRO_MUTEX_UNLOCK (connection->shm_mutex);
-}
-
-void
-_cairo_xcb_connection_shm_mem_pools_fini (cairo_xcb_connection_t *connection)
-{
-    assert (cairo_list_is_empty (&connection->shm_pending));
-    while (! cairo_list_is_empty (&connection->shm_pools)) {
-	_cairo_xcb_shm_mem_pool_destroy (cairo_list_first_entry (&connection->shm_pools,
-								 cairo_xcb_shm_mem_pool_t,
-								 link));
-    }
-}
-
-#endif /* CAIRO_HAS_XCB_SHM_FUNCTIONS */