Merge pull request #850 from trav90/add-av1-support

Add initial support for AV1 video.

1 files changed, 77 insertions, 0 deletions

diff --git a/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake b/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake
new file mode 100644
index 000000000..0f93490b1
--- /dev/null
+++ b/third_party/aom/build/cmake/toolchains/mips32-linux-gcc.cmake
@@ -0,0 +1,77 @@
+#
+# Copyright (c) 2017, Alliance for Open Media. All rights reserved
+#
+# This source code is subject to the terms of the BSD 2 Clause License and the
+# Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License was
+# not distributed with this source code in the LICENSE file, you can obtain it
+# at www.aomedia.org/license/software. If the Alliance for Open Media Patent
+# License 1.0 was not distributed with this source code in the PATENTS file, you
+# can obtain it at www.aomedia.org/license/patent.
+#
+if(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_)
+  return()
+endif() # AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_
+set(AOM_BUILD_CMAKE_TOOLCHAINS_MIPS32_LINUX_GCC_CMAKE_ 1)
+
+set(CMAKE_SYSTEM_NAME "Linux")
+
+if(ENABLE_DSPR2 AND ENABLE_MSA)
+  message(FATAL_ERROR "ENABLE_DSPR2 and ENABLE_MSA cannot be combined.")
+endif()
+
+if(ENABLE_DSPR2)
+  set(HAVE_DSPR2 1 CACHE BOOL "" FORCE)
+
+  if("${CROSS}" STREQUAL "")
+
+    # Default the cross compiler prefix to something known to work.
+    set(CROSS mips-linux-gnu-)
+  endif()
+
+  set(MIPS_CFLAGS "-mdspr2")
+  set(MIPS_CXXFLAGS "-mdspr2")
+elseif(ENABLE_MSA)
+  set(HAVE_MSA 1 CACHE BOOL "" FORCE)
+
+  if("${CROSS}" STREQUAL "")
+
+    # Default the cross compiler prefix to something known to work.
+    set(CROSS mips-mti-linux-gnu-)
+  endif()
+
+  set(MIPS_CFLAGS "-mmsa")
+  set(MIPS_CXXFLAGS "-mmsa")
+endif()
+
+if("${CROSS}" STREQUAL "")
+
+  # TODO(tomfinegan): Make it possible to turn this off. The $CROSS prefix won't
+  # be desired on a mips host.  Default cross compiler prefix to something that
+  # might work for an  unoptimized build.
+  set(CROSS mips-linux-gnu-)
+endif()
+
+if("${MIPS_CPU}" STREQUAL "")
+  set(MIPS_CFLAGS "${MIPS_CFLAGS} -mips32r2")
+  set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} -mips32r2")
+elseif("${MIPS_CPU}" STREQUAL "p5600")
+  set(P56_FLAGS
+      "-mips32r5 -mload-store-pairs -msched-weight -mhard-float -mfp64")
+  set(MIPS_CFLAGS "${MIPS_CFLAGS} ${P56_FLAGS}")
+  set(MIPS_CXXFLAGS "${MIPS_CXXFLAGS} ${P56_FLAGS}")
+  set(CMAKE_EXE_LINKER_FLAGS "-mfp64 ${CMAKE_EXE_LINKER_FLAGS}")
+endif()
+
+set(CMAKE_C_COMPILER ${CROSS}gcc)
+set(CMAKE_CXX_COMPILER ${CROSS}g++)
+set(AS_EXECUTABLE ${CROSS}as)
+set(CMAKE_C_COMPILER_ARG1 "-EL ${MIPS_CFLAGS}")
+set(CMAKE_CXX_COMPILER_ARG1 "-EL ${MIPS_CXXFLAGS}")
+set(CMAKE_SYSTEM_PROCESSOR "mips32")
+
+# No runtime cpu detect for mips32-linux-gcc.
+if(CONFIG_RUNTIME_CPU_DETECT)
+  message("--- CONFIG_RUNTIME_CPU_DETECT not supported for mips32 targets.")
+endif()
+
+set(CONFIG_RUNTIME_CPU_DETECT 0 CACHE NUMBER "" FORCE)