Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/third_party/dav1d/src/ctx.h b/third_party/dav1d/src/ctx.h
new file mode 100644
index 0000000000..d0e1f310ae
--- /dev/null
+++ b/third_party/dav1d/src/ctx.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright © 2018, VideoLAN and dav1d authors
+ * Copyright © 2018, Two Orioles, LLC
+ * 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 DAV1D_SRC_CTX_H
+#define DAV1D_SRC_CTX_H
+
+#include <stdint.h>
+
+#include "common/attributes.h"
+
+union alias64 { uint64_t u64; uint8_t u8[8]; } ATTR_ALIAS;
+union alias32 { uint32_t u32; uint8_t u8[4]; } ATTR_ALIAS;
+union alias16 { uint16_t u16; uint8_t u8[2]; } ATTR_ALIAS;
+union alias8 { uint8_t u8; } ATTR_ALIAS;
+
+#define set_ctx_rep4(type, var, off, val) do { \
+        const uint64_t const_val = val; \
+        ((union alias64 *) &var[off +  0])->u64 = const_val; \
+        ((union alias64 *) &var[off +  8])->u64 = const_val; \
+        ((union alias64 *) &var[off + 16])->u64 = const_val; \
+        ((union alias64 *) &var[off + 24])->u64 = const_val; \
+    } while (0)
+#define set_ctx_rep2(type, var, off, val) do { \
+        const uint64_t const_val = val; \
+        ((union alias64 *) &var[off + 0])->u64 = const_val; \
+        ((union alias64 *) &var[off + 8])->u64 = const_val; \
+    } while (0)
+#define set_ctx_rep1(typesz, var, off, val) \
+    ((union alias##typesz *) &var[off])->u##typesz = val
+#define case_set(var, dir, diridx, off) \
+    switch (var) { \
+    case  1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+    case  2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+    case  4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+    case  8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+    case 16: set_ctx(  , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+    case 32: set_ctx(  , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep4); break; \
+    }
+#define case_set_upto16(var, dir, diridx, off) \
+    switch (var) { \
+    case  1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+    case  2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+    case  4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+    case  8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+    case 16: set_ctx(  , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+    }
+#define case_set_upto32_with_default(var, dir, diridx, off) \
+    switch (var) { \
+    case  1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+    case  2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+    case  4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+    case  8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+    case 16: set_ctx(  , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+    case 32: set_ctx(  , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep4); break; \
+    default: default_memset(dir, diridx, off, var); break; \
+    }
+#define case_set_upto16_with_default(var, dir, diridx, off) \
+    switch (var) { \
+    case  1: set_ctx( 8, dir, diridx, off, 0x01, set_ctx_rep1); break; \
+    case  2: set_ctx(16, dir, diridx, off, 0x0101, set_ctx_rep1); break; \
+    case  4: set_ctx(32, dir, diridx, off, 0x01010101U, set_ctx_rep1); break; \
+    case  8: set_ctx(64, dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep1); break; \
+    case 16: set_ctx(  , dir, diridx, off, 0x0101010101010101ULL, set_ctx_rep2); break; \
+    default: default_memset(dir, diridx, off, var); break; \
+    }
+
+#endif /* DAV1D_SRC_CTX_H */