#
# 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_AOM_SCALE_AOM_SCALE_CMAKE_)
  return()
endif() # AOM_AOM_SCALE_AOM_SCALE_CMAKE_
set(AOM_AOM_SCALE_AOM_SCALE_CMAKE_ 1)

list(APPEND AOM_SCALE_SOURCES "${AOM_ROOT}/aom_scale/aom_scale.h"
            "${AOM_ROOT}/aom_scale/generic/aom_scale.c"
            "${AOM_ROOT}/aom_scale/generic/gen_scalers.c"
            "${AOM_ROOT}/aom_scale/generic/yv12config.c"
            "${AOM_ROOT}/aom_scale/generic/yv12extend.c"
            "${AOM_ROOT}/aom_scale/yv12config.h")

list(APPEND AOM_SCALE_INTRIN_DSPR2
            "${AOM_ROOT}/aom_scale/mips/dspr2/yv12extend_dspr2.c")

# Creates the aom_scale build target and makes libaom depend on it. The libaom
# target must exist before this function is called.
function(setup_aom_scale_targets)
  add_library(aom_scale OBJECT ${AOM_SCALE_SOURCES})
  target_sources(aom PRIVATE $<TARGET_OBJECTS:aom_scale>)

  if(HAVE_DSPR2)
    add_intrinsics_object_library("" "dspr2" "aom_scale"
                                  "AOM_SCALE_INTRIN_DSPR2" "aom")
  endif()

  target_sources(aom PRIVATE $<TARGET_OBJECTS:aom_scale>)

  # Pass the new lib targets up to the parent scope instance of
  # $AOM_LIB_TARGETS.
  set(AOM_LIB_TARGETS ${AOM_LIB_TARGETS} aom_scale PARENT_SCOPE)
endfunction()