3 files changed, 228 insertions, 0 deletions
diff --git a/third_party/dav1d/include/compat/gcc/stdatomic.h b/third_party/dav1d/include/compat/gcc/stdatomic.h
new file mode 100644
index 0000000000..29f906321f
--- /dev/null
+++ b/third_party/dav1d/include/compat/gcc/stdatomic.h
@@ -0,0 +1,51 @@
+/*
+* Copyright © 2018, VideoLAN and dav1d authors
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice, this
+*    list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+*    this list of conditions and the following disclaimer in the documentation
+*    and/or other materials provided with the distribution.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef GCCVER_STDATOMIC_H_
+#define GCCVER_STDATOMIC_H_
+
+#if !defined(__cplusplus)
+
+typedef int atomic_int;
+typedef unsigned int atomic_uint;
+
+#define memory_order_relaxed __ATOMIC_RELAXED
+#define memory_order_acquire __ATOMIC_ACQUIRE
+
+#define atomic_init(p_a, v)           do { *(p_a) = (v); } while(0)
+#define atomic_store(p_a, v)          __atomic_store_n(p_a, v, __ATOMIC_SEQ_CST)
+#define atomic_load(p_a)              __atomic_load_n(p_a, __ATOMIC_SEQ_CST)
+#define atomic_load_explicit(p_a, mo) __atomic_load_n(p_a, mo)
+#define atomic_fetch_add(p_a, inc)    __atomic_fetch_add(p_a, inc, __ATOMIC_SEQ_CST)
+#define atomic_fetch_add_explicit(p_a, inc, mo) __atomic_fetch_add(p_a, inc, mo)
+#define atomic_fetch_sub(p_a, dec)    __atomic_fetch_sub(p_a, dec, __ATOMIC_SEQ_CST)
+#define atomic_exchange(p_a, v)       __atomic_exchange_n(p_a, v, __ATOMIC_SEQ_CST)
+#define atomic_fetch_or(p_a, v)       __atomic_fetch_or(p_a, v, __ATOMIC_SEQ_CST)
+#define atomic_compare_exchange_strong(p_a, expected, desired) __atomic_compare_exchange_n(p_a, expected, desired, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
+
+#endif /* !defined(__cplusplus) */
+
+#endif /* GCCVER_STDATOMIC_H_ */
diff --git a/third_party/dav1d/include/compat/getopt.h b/third_party/dav1d/include/compat/getopt.h
new file mode 100644
index 0000000000..930e002a13
--- /dev/null
+++ b/third_party/dav1d/include/compat/getopt.h
@@ -0,0 +1,95 @@
+#ifndef __GETOPT_H__
+/**
+ * DISCLAIMER
+ * This file has no copyright assigned and is placed in the Public Domain.
+ * This file is part of the mingw-w64 runtime package.
+ *
+ * The mingw-w64 runtime package and its code is distributed in the hope that it 
+ * will be useful but WITHOUT ANY WARRANTY.  ALL WARRANTIES, EXPRESSED OR 
+ * IMPLIED ARE HEREBY DISCLAIMED.  This includes but is not limited to 
+ * warranties of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#define __GETOPT_H__
+
+/* All the headers include this file. */
+#include <crtdefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int optind;		/* index of first non-option in argv      */
+extern int optopt;		/* single option character, as parsed     */
+extern int opterr;		/* flag to enable built-in diagnostics... */
+				/* (user may set to zero, to suppress)    */
+
+extern char *optarg;		/* pointer to argument of current option  */
+
+extern int getopt(int nargc, char * const *nargv, const char *options);
+
+#ifdef _BSD_SOURCE
+/*
+ * BSD adds the non-standard `optreset' feature, for reinitialisation
+ * of `getopt' parsing.  We support this feature, for applications which
+ * proclaim their BSD heritage, before including this header; however,
+ * to maintain portability, developers are advised to avoid it.
+ */
+# define optreset  __mingw_optreset
+extern int optreset;
+#endif
+#ifdef __cplusplus
+}
+#endif
+/*
+ * POSIX requires the `getopt' API to be specified in `unistd.h';
+ * thus, `unistd.h' includes this header.  However, we do not want
+ * to expose the `getopt_long' or `getopt_long_only' APIs, when
+ * included in this manner.  Thus, close the standard __GETOPT_H__
+ * declarations block, and open an additional __GETOPT_LONG_H__
+ * specific block, only when *not* __UNISTD_H_SOURCED__, in which
+ * to declare the extended API.
+ */
+#if !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__)
+#define __GETOPT_LONG_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct option		/* specification for a long form option...	*/
+{
+  const char *name;		/* option name, without leading hyphens */
+  int         has_arg;		/* does it take an argument?		*/
+  int        *flag;		/* where to save its status, or NULL	*/
+  int         val;		/* its associated status value		*/
+};
+
+enum    		/* permitted values for its `has_arg' field...	*/
+{
+  no_argument = 0,      	/* option never takes an argument	*/
+  required_argument,		/* option always requires an argument	*/
+  optional_argument		/* option may take an argument		*/
+};
+
+extern int getopt_long(int nargc, char * const *nargv, const char *options,
+    const struct option *long_options, int *idx);
+extern int getopt_long_only(int nargc, char * const *nargv, const char *options,
+    const struct option *long_options, int *idx);
+/*
+ * Previous MinGW implementation had...
+ */
+#ifndef HAVE_DECL_GETOPT
+/*
+ * ...for the long form API only; keep this for compatibility.
+ */
+# define HAVE_DECL_GETOPT	1
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !defined(__UNISTD_H_SOURCED__) && !defined(__GETOPT_LONG_H__) */
+
+#endif /* !defined(__GETOPT_H__) */
diff --git a/third_party/dav1d/include/compat/msvc/stdatomic.h b/third_party/dav1d/include/compat/msvc/stdatomic.h
new file mode 100644
index 0000000000..618f0ee87d
--- /dev/null
+++ b/third_party/dav1d/include/compat/msvc/stdatomic.h
@@ -0,0 +1,82 @@
+/*
+* Copyright © 2018, VideoLAN and dav1d authors
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice, this
+*    list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+*    this list of conditions and the following disclaimer in the documentation
+*    and/or other materials provided with the distribution.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef MSCVER_STDATOMIC_H_
+#define MSCVER_STDATOMIC_H_
+
+#if !defined(__cplusplus) && defined(_MSC_VER)
+
+#pragma warning(push)
+#pragma warning(disable:4067)    /* newline for __has_include_next */
+
+#if defined(__clang__) && __has_include_next(<stdatomic.h>)
+   /* use the clang stdatomic.h with clang-cl*/
+#  include_next <stdatomic.h>
+#else /* ! stdatomic.h */
+
+#include <windows.h>
+
+#include "common/attributes.h"
+
+typedef volatile LONG  atomic_int;
+typedef volatile ULONG atomic_uint;
+
+typedef enum {
+    memory_order_relaxed,
+    memory_order_acquire
+} msvc_atomic_memory_order;
+
+#define atomic_init(p_a, v)           do { *(p_a) = (v); } while(0)
+#define atomic_store(p_a, v)          InterlockedExchange((LONG*)p_a, v)
+#define atomic_load(p_a)              InterlockedCompareExchange((LONG*)p_a, 0, 0)
+#define atomic_exchange(p_a, v)       InterlockedExchange(p_a, v)
+#define atomic_load_explicit(p_a, mo) atomic_load(p_a)
+
+static inline int atomic_compare_exchange_strong_int(LONG *obj, LONG *expected,
+                                                     LONG desired)
+{
+    LONG orig = *expected;
+    *expected = InterlockedCompareExchange(obj, desired, orig);
+    return *expected == orig;
+}
+#define atomic_compare_exchange_strong(p_a, expected, desired) atomic_compare_exchange_strong_int((LONG *)p_a, (LONG *)expected, (LONG)desired)
+
+/*
+ * TODO use a special call to increment/decrement
+ * using InterlockedIncrement/InterlockedDecrement
+ */
+#define atomic_fetch_add(p_a, inc)    InterlockedExchangeAdd(p_a, inc)
+#define atomic_fetch_sub(p_a, dec)    InterlockedExchangeAdd(p_a, -(dec))
+#define atomic_fetch_or(p_a, v)       InterlockedOr(p_a, v)
+#define atomic_fetch_add_explicit(p_a, inc, mo) atomic_fetch_add(p_a, inc)
+
+#endif /* ! stdatomic.h */
+
+#pragma warning(pop)
+
+#endif /* !defined(__cplusplus) && defined(_MSC_VER) */
+
+#endif /* MSCVER_STDATOMIC_H_ */