| # Copyright 2021 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. |
| |
| # The egl_and_gles GN target can be depended upon in order to |
| # depend on a platform-specific implementation of EGL/GLES, whether that |
| # ultimately ends up being Angle on Windows, system libraries on Linux, or a |
| # custom implementation of EGL/GLES on an exotic platform. Depending on this |
| # target will set dependent settings to have the EGL and GLES system headers in |
| # their include directories. |
| # |
| # This decision is predicated on the value of the |gl_type| GN variable defined |
| # in the configuration.gni for the current platform. |
| |
| group("egl_and_gles") { |
| public_deps = [ ":egl_and_gles_$gl_type" ] |
| } |
| |
| group("egl_and_gles_system_gles2") { |
| # Use the system-provided implementation of GLES2. |
| } |
| |
| group("egl_and_gles_system_gles3") { |
| # Deprecated. Use GLES2. |
| } |
| |
| config("egl_and_gles_glimp_public_config") { |
| defines = [ "GL_GLEXT_PROTOTYPES" ] |
| } |
| |
| if (gl_type == "glimp") { |
| group("egl_and_gles_glimp") { |
| public_configs = [ ":egl_and_gles_glimp_public_config" ] |
| public_deps = [ "//glimp" ] |
| } |
| } |
| |
| declare_args() { |
| enable_d3d11_feature_level_11 = false |
| } |
| |
| config("egl_and_gles_angle_config") { |
| include_dirs = [ "//third_party/angle/include" ] |
| if (is_win && enable_d3d11_feature_level_11) { |
| defines = [ "GL_GLEXT_PROTOTYPES" ] |
| } |
| } |
| |
| if (gl_type == "angle") { |
| group("egl_and_gles_angle") { |
| public_deps = [ |
| "//third_party/angle:libEGL", |
| "//third_party/angle:libGLESv2", |
| ] |
| public_configs = [ ":egl_and_gles_angle_config" ] |
| } |
| } |