# Copyright 2020 The ANGLE Project Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
#
# This file houses the build configuration for the ANGLE GL back-ends.

import("../../../../gni/angle.gni")
import("gl_backend.gni")

if (angle_use_gbm) {
  import("//build/config/linux/pkg_config.gni")
}

assert(angle_enable_gl)

config("angle_gl_backend_config") {
  defines = [ "ANGLE_ENABLE_OPENGL" ]
  if (angle_enable_gl_desktop_backend) {
    defines += [ "ANGLE_ENABLE_GL_DESKTOP_BACKEND" ]
  }
  if (angle_use_gbm) {
    defines += [ "ANGLE_USE_GBM" ]
  }
  if (is_apple) {
    if (angle_enable_cgl) {
      defines += [
        "GL_SILENCE_DEPRECATION",
        "ANGLE_ENABLE_CGL",
      ]
    }
  }
  # Flutter patch: make libdrm optional
  if (angle_enable_libdrm) {
    defines += [ "ANGLE_HAS_LIBDRM" ]
  }
  include_dirs = [ "../../../third_party/khronos" ]
}

angle_source_set("angle_gl_backend") {
  sources = gl_backend_sources

  public_configs = [ ":angle_gl_backend_config" ]
  public_deps = [ "$angle_root:libANGLE_headers" ]

  deps = [
    "$angle_root:angle_gpu_info_util",
    "$angle_root:angle_image_util",
  ]

  # Flutter patch: make libdrm optional
  if (angle_enable_libdrm) {
    deps += [ "//build/config/linux/libdrm" ]
  }

  if (is_win) {
    deps += [ "$angle_root:angle_d3d_format_tables" ]
  }

  if (angle_use_x11) {
    libs = [
      "X11",
      "Xi",
      "Xext",
    ]
  }
  if (is_android || is_linux || is_chromeos) {
    deps += [ "$angle_root/src/common/linux:angle_dma_buf" ]
  }
  if (is_apple) {
    frameworks = [
      "IOSurface.framework",
      "QuartzCore.framework",
    ]
    if (angle_enable_cgl) {
      frameworks += [ "OpenGL.framework" ]
    }
    if (is_mac) {
      frameworks += [ "Cocoa.framework" ]
    }
  }
}