BUILD.gn

# Copyright 2016 The SwiftShader 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.

config("swiftshader_config") {
  if (is_win) {
    cflags = [
      "/GS", # Detects some buffer overruns
      "/Zc:wchar_t",
      "/D_CRT_SECURE_NO_DEPRECATE",
      "/DNOMINMAX",
      "/D_WINDLL",
      "/EHsc",
      "/nologo",
      "/Gd", # Default calling convention
    ]

    if (is_debug) {
      cflags += [ "/RTC1" ] # Run-Time Error Checks
    } else {
      cflags += [ "/DANGLE_DISABLE_TRACE" ]
    }
  } else {
    cflags = [ "-std=c++11" ]

    if (is_debug) {
      cflags += [ "-g" ]
    } else { # Release
      # All Release builds use function/data sections to make the shared libraries smaller
      cflags += [
        "-ffunction-sections",
        "-fdata-sections",
        "-fomit-frame-pointer",
        "-DANGLE_DISABLE_TRACE",
      ]

      # Choose the right Release architecture
      if (target_cpu == "x64") {
        cflags += [ "-march=core2" ]
      } else { # 32
        cflags += [ "-march=i686" ]
      }
    }

    if (target_cpu == "x64") { # 64 bit version
      cflags += [
        "-m64",
        "-fPIC",
      ]
    } else { # 32 bit version
      cflags += [ "-m32" ]
    }
  }
}

group("swiftshader") {
  data_deps = [
    "src/OpenGL/libGLESv2:swiftshader_libGLESv2",
    "src/OpenGL/libEGL:swiftshader_libEGL",
  ]
}

group("swiftshader_tests") {
  testonly = true

  data_deps = [
    "tests/unittests:swiftshader_unittests",
  ]
}