1# Copyright 2016 Google Inc.
2#
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6declare_args() {
7}
8
9angle_root = "../externals/angle2"
10
11import("../third_party.gni")
12
13third_party("angle2") {
14  public_include_dirs = [ "$angle_root/include" ]
15  deps = [
16    ":libEGL",
17    ":libGLESv2",
18  ]
19}
20
21compiler_gypi = exec_script("//gn/gypi_to_gn.py",
22                            [ rebase_path("$angle_root/src/compiler.gypi") ],
23                            "scope",
24                            [])
25
26gles_gypi = exec_script("//gn/gypi_to_gn.py",
27                        [ rebase_path("$angle_root/src/libGLESv2.gypi") ],
28                        "scope",
29                        [])
30
31config("common") {
32  defines = [
33    "ANGLE_ENABLE_ESSL",
34    "ANGLE_ENABLE_GLSL",
35    "ANGLE_ENABLE_HLSL",
36    "ANGLE_ENABLE_OPENGL",
37    "EGL_EGLEXT_PROTOTYPES",
38    "GL_GLEXT_PROTOTYPES",
39  ]
40  include_dirs = [
41    "$root_gen_dir/angle2",
42    "$angle_root/include",
43    "$angle_root/src",
44    "$angle_root/src/common/third_party/numerics",
45    "$angle_root/src/third_party/khronos",
46  ]
47
48  assert(is_linux || is_win)  # TODO: is_mac?
49  if (is_linux) {
50    defines += [
51      "ANGLE_USE_X11",
52      "GL_APICALL=__attribute__((visibility(\"default\")))",
53      "EGLAPI=__attribute__((visibility(\"default\")))",
54    ]
55  } else if (is_win) {
56    defines += [
57      "ANGLE_ENABLE_D3D11",
58      "ANGLE_ENABLE_D3D9",
59      "GL_APICALL=",
60      "EGLAPI=",
61    ]
62  }
63}
64
65copy("commit_id") {
66  sources = [
67    "$angle_root/src/commit.h",
68  ]
69  outputs = [
70    "$root_gen_dir/angle2/id/commit.h",
71  ]
72}
73
74shared_library("libGLESv2") {
75  configs += [ ":common" ]
76  configs -= [ "//gn:warnings" ]
77  defines = [
78    "LIBANGLE_IMPLEMENTATION",
79    "LIBGLESV2_IMPLEMENTATION",
80  ]
81  deps = [
82    ":commit_id",
83  ]
84  libs = []
85  sources = rebase_path(
86          compiler_gypi.angle_preprocessor_sources +
87              compiler_gypi.angle_translator_sources +
88              compiler_gypi.angle_translator_essl_sources +
89              compiler_gypi.angle_translator_glsl_sources +
90              compiler_gypi.angle_translator_hlsl_sources +
91              gles_gypi.libangle_sources + gles_gypi.libangle_common_sources +
92              gles_gypi.libangle_image_util_sources +
93              gles_gypi.libglesv2_sources + gles_gypi.libangle_gl_sources,
94          ".",
95          "$angle_root/src")
96  if (!is_win) {
97    sources -= [ "$angle_root/src/libGLESv2/libGLESv2.def" ]
98  }
99
100  if (is_linux) {
101    libs += [
102      "X11",
103      "Xi",
104      "Xext",
105    ]
106    sources +=
107        rebase_path(gles_gypi.libangle_gl_glx_sources, ".", "$angle_root/src") +
108        [ "$angle_root/src/third_party/libXNVCtrl/NVCtrl.c" ]
109  } else if (is_win) {
110    defines += [
111      # TODO: ANGLE_PRELOADED_D3DCOMPILER_MODULE_NAMES
112    ]
113    sources += rebase_path(gles_gypi.libangle_gl_wgl_sources +
114                               gles_gypi.libangle_d3d_shared_sources +
115                               gles_gypi.libangle_d3d9_sources +
116                               gles_gypi.libangle_d3d11_sources +
117                               gles_gypi.libangle_d3d11_win32_sources,
118                           ".",
119                           "$angle_root/src")
120    libs += [
121      "d3d9.lib",
122      "dxguid.lib",
123      "gdi32.lib",
124      "user32.lib",
125    ]
126    deps += [
127      # TODO: copy_compiler_dll?
128    ]
129  }
130}
131
132shared_library("libEGL") {
133  configs += [ ":common" ]
134  configs -= [ "//gn:warnings" ]
135  defines = [ "LIBEGL_IMPLEMENTATION" ]
136  deps = [
137    ":libGLESv2",
138  ]
139  sources = rebase_path(gles_gypi.libegl_sources, ".", "$angle_root/src")
140  if (!is_win) {
141    sources -= [ "$angle_root/src/libEGL/libEGL.def" ]
142  }
143}
144