From ed2a4bc4400c38ecd11baccac5db328b797b5d68 Mon Sep 17 00:00:00 2001
From: pk33 <pk33@pk33.space>
Date: Thu, 14 Nov 2024 15:06:07 +0100
Subject: begin 3D rendering, basic camera controls

---
 include/libdrm/libsync.h | 148 -----------------------------------------------
 1 file changed, 148 deletions(-)
 delete mode 100644 include/libdrm/libsync.h

(limited to 'include/libdrm/libsync.h')

diff --git a/include/libdrm/libsync.h b/include/libdrm/libsync.h
deleted file mode 100644
index f1a2f96..0000000
--- a/include/libdrm/libsync.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- *  sync abstraction
- *  Copyright 2015-2016 Collabora Ltd.
- *
- *  Based on the implementation from the Android Open Source Project,
- *
- *  Copyright 2012 Google, 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 AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-#ifndef _LIBSYNC_H
-#define _LIBSYNC_H
-
-#include <assert.h>
-#include <errno.h>
-#include <stdint.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/poll.h>
-#include <unistd.h>
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-#ifndef SYNC_IOC_MERGE
-/* duplicated from linux/sync_file.h to avoid build-time dependency
- * on new (v4.7) kernel headers.  Once distro's are mostly using
- * something newer than v4.7 drop this and #include <linux/sync_file.h>
- * instead.
- */
-struct sync_merge_data {
-	char	name[32];
-	int32_t	fd2;
-	int32_t	fence;
-	uint32_t	flags;
-	uint32_t	pad;
-};
-#define SYNC_IOC_MAGIC		'>'
-#define SYNC_IOC_MERGE		_IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data)
-#endif
-
-
-static inline int sync_wait(int fd, int timeout)
-{
-	struct pollfd fds = {0};
-	int ret;
-
-	fds.fd = fd;
-	fds.events = POLLIN;
-
-	do {
-		ret = poll(&fds, 1, timeout);
-		if (ret > 0) {
-			if (fds.revents & (POLLERR | POLLNVAL)) {
-				errno = EINVAL;
-				return -1;
-			}
-			return 0;
-		} else if (ret == 0) {
-			errno = ETIME;
-			return -1;
-		}
-	} while (ret == -1 && (errno == EINTR || errno == EAGAIN));
-
-	return ret;
-}
-
-static inline int sync_merge(const char *name, int fd1, int fd2)
-{
-	struct sync_merge_data data = {0};
-	int ret;
-
-	data.fd2 = fd2;
-	strncpy(data.name, name, sizeof(data.name));
-
-	do {
-		ret = ioctl(fd1, SYNC_IOC_MERGE, &data);
-	} while (ret == -1 && (errno == EINTR || errno == EAGAIN));
-
-	if (ret < 0)
-		return ret;
-
-	return data.fence;
-}
-
-/* accumulate fd2 into fd1.  If *fd1 is not a valid fd then dup fd2,
- * otherwise sync_merge() and close the old *fd1.  This can be used
- * to implement the pattern:
- *
- *    init()
- *    {
- *       batch.fence_fd = -1;
- *    }
- *
- *    // does *NOT* take ownership of fd
- *    server_sync(int fd)
- *    {
- *       if (sync_accumulate("foo", &batch.fence_fd, fd)) {
- *          ... error ...
- *       }
- *    }
- */
-static inline int sync_accumulate(const char *name, int *fd1, int fd2)
-{
-	int ret;
-
-	assert(fd2 >= 0);
-
-	if (*fd1 < 0) {
-		*fd1 = dup(fd2);
-		return 0;
-	}
-
-	ret = sync_merge(name, *fd1, fd2);
-	if (ret < 0) {
-		/* leave *fd1 as it is */
-		return ret;
-	}
-
-	close(*fd1);
-	*fd1 = ret;
-
-	return 0;
-}
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif
-- 
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