| # Copyright 2019 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| declare_args() { |
| # Using Vulkan on host (i.e. Linux) is an involved affair that involves |
| # downloading the Vulkan SDK, setting environment variables, and so forth... |
| # all things that are difficult to achieve in a CQ environment. Therefore, |
| # by default we use a stub implementation of Vulkan which fails to create a |
| # VkInstance. This allows everything to build, and also allows running Escher |
| # unit tests which don't require Vulkan. |
| escher_use_null_vulkan_config_on_host = true |
| |
| # Determines whether or not escher will build with the glslang and shaderc |
| # libraries. When false, these libraries will not be included in the scenic/ |
| # escher binary and as a result shaders will not be able to be compiled at |
| # runtime. Precompiled spirv code will be loaded into memory from disk instead. |
| escher_use_runtime_glsl = false |
| |
| # If true, this enables the |SpirvNotChangedTest| to check if the precompiled |
| # shaders on disk are up to date and reflect the current shader source code |
| # compiled with the latest shaderc tools/optimizations. People on the Scenic |
| # team should build with this flag turned on to make sure that any shader |
| # changes that were not run through the precompiler have their updated spirv |
| # written to disk. Other teams and CQ do not need to worry about this flag. |
| escher_test_for_glsl_spirv_mismatch = false |
| } |
