# Copyright 2017 The Cobalt Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Import platform-specific defaults
import("//$starboard_path/configuration.gni")

# Starboard variables.

# Enables embedding Starboard as a shared library within another app. This
# requires a 'lib' starboard implementation for the corresponding platform.
if (!defined(sb_enable_lib)) {
  sb_enable_lib = false
}

# Directory path to static contents' data.
if (!defined(sb_static_contents_output_data_dir)) {
  sb_static_contents_output_data_dir = "$root_out_dir/content/data"
}

# Halt execution on failure to allocate memory.
if (!defined(abort_on_allocation_failure)) {
  abort_on_allocation_failure = true
}

# The source of EGL and GLES headers and libraries.
# Valid values (case and everything sensitive!):
#   "none"   - No EGL + GLES implementation is available on this platform.
#   "system_gles3" - Use the system implementation of EGL + GLES3. The
#                    headers and libraries must be on the system include and
#                    link paths.
#   "system_gles2" - Use the system implementation of EGL + GLES2. The
#                    headers and libraries must be on the system include and
#                    link paths.
#   "glimp"  - Cobalt's own EGL + GLES2 implementation. This requires a
#              valid Glimp implementation for the platform.
#   "angle"  - A DirectX-to-OpenGL adaptation layer. This requires a valid
#              ANGLE implementation for the platform.
# Choosing an unsupported value will result in a GN error:
#   "Unresolved dependencies: //cobalt/renderer/egl_and_gles:<gl_type>"
if (!defined(gl_type)) {
  gl_type = "system_gles2"
}

# TODO: Temporary indicator for Tizen - should eventually move to feature defines.
if (!defined(is_tizen_os)) {
  is_tizen_os = false
}

# The event polling mechanism available on this platform to support libevent.
# Platforms may redefine to "poll" if necessary.
# Other mechanisms, e.g. devpoll, kqueue, select, are not yet supported.
if (!defined(sb_libevent_method)) {
  sb_libevent_method = "epoll"
}

# Whether to allow memory tracking
if (!defined(sb_allow_memory_tracking)) {
  sb_allow_memory_tracking = (cobalt_config != "gold" && !sb_enable_lib)
}


# The system root for cross-compiles. Default: none.
if (!defined(sysroot)) {
  sysroot = ""
}