# 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.

import("../../swiftshader.gni")

# Need a separate config to ensure the warnings are added to the end.
config("swiftshader_libGLESv2_private_config") {
  defines = [
    "GL_API=",
    "GL_GLEXT_PROTOTYPES",
  ]

  if (is_win) {
    cflags = [
      "/wd4201",  # nameless struct/union
      "/wd4324",  # structure was padded due to alignment specifier
      "/wd5030",  # attribute is not recognized
    ]

    defines += [
      "GL_APICALL=",
      "GLAPI=",
    ]

    if (is_clang) {
      defines += [
        "__STDC_CONSTANT_MACROS",
        "__STDC_LIMIT_MACROS",
      ]
    }
  } else {
    cflags = [ "-Wno-sign-compare" ]
    if (!is_clang) {
      cflags += [ "-Wno-unused-but-set-variable" ]
    }

    defines += [
      "__STDC_CONSTANT_MACROS",
      "__STDC_LIMIT_MACROS",
      "GLAPI=GL_APICALL",
    ]

    if (is_mac) {
      cflags += [ "-fvisibility=protected" ]
      defines += [ "GL_APICALL=__attribute__((no_sanitize(\"function\")))" ]
    } else {
      defines += [ "GL_APICALL=__attribute__((visibility(\"protected\"))) __attribute__((no_sanitize(\"function\")))" ]
    }
  }
}

swiftshader_static_library("swiftshader_libGLESv2_static") {
  deps = [
    "../../OpenGL/compiler:swiftshader_opengl_compiler",
    "../../Reactor:swiftshader_reactor",
    "../../Renderer:swiftshader_renderer",
  ]

  sources = [
    "Buffer.cpp",
    "Context.cpp",
    "Device.cpp",
    "Fence.cpp",
    "Framebuffer.cpp",
    "IndexDataManager.cpp",
    "Program.cpp",
    "Query.cpp",
    "Renderbuffer.cpp",
    "ResourceManager.cpp",
    "Shader.cpp",
    "Texture.cpp",
    "TransformFeedback.cpp",
    "VertexArray.cpp",
    "VertexDataManager.cpp",
    "libGLESv2.cpp",
    "libGLESv3.cpp",
    "main.cpp",
    "resource.h",
    "utilities.cpp",
  ]

  if (is_mac) {
    libs = [
      "CoreFoundation.framework",
      "IOSurface.framework",
    ]
  }

  configs = [ ":swiftshader_libGLESv2_private_config" ]

  include_dirs = [
    "../../../include",
    "../..",
    "..",
  ]
}

swiftshader_shared_library("swiftshader_libGLESv2") {
  if (!is_mac && !is_fuchsia) {
    output_name = "libGLESv2"
    output_dir = "$root_out_dir/swiftshader"
  }

  deps = [
    ":swiftshader_libGLESv2_static",
  ]

  sources = [
    "entry_points.cpp",
    "libGLESv2.def",
    "libGLESv2.rc",
  ]

  if (is_win) {
    ldflags = [ "/DEF:" + rebase_path("libGLESv2.def", root_build_dir) ]
  } else if (is_mac) {
    ldflags = [ "-Wl,-install_name,@rpath/libswiftshader_libGLESv2.dylib" ]
  } else if (is_linux) {
    ldflags =
        [ "-Wl,--version-script=" + rebase_path("libGLESv2.lds", root_build_dir) ]
  }

  configs = [ ":swiftshader_libGLESv2_private_config" ]

  include_dirs = [
    "../../../include",
    "../..",
    "..",
  ]
}