From d7aacdda1119d419ce886f9ba4b9401de2834bed Mon Sep 17 00:00:00 2001
From: Stephen White <senorblanco@chromium.org>
Date: Fri, 29 Jan 2021 22:39:45 +0000
Subject: [PATCH] Set the default ANGLE backend to SwiftShader for dawn tests.

This will apply to the bots (once they're running the ES backend) as well as developer builds.

Bug: dawn:580 dawn:447
Change-Id: I0cb7864c094d6bbd636f91734ca299de51a9f0e5
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/39420
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Stephen White <senorblanco@chromium.org>
---
 src/tests/DawnTest.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tests/DawnTest.cpp b/src/tests/DawnTest.cpp
index 2db8691234..b680edd74e 100644
--- a/src/tests/DawnTest.cpp
+++ b/src/tests/DawnTest.cpp
@@ -365,6 +365,8 @@ std::unique_ptr<dawn_native::Instance> DawnTestEnvironment::CreateInstanceAndDis
     adapterOptions.getProc = reinterpret_cast<void* (*)(const char*)>(glfwGetProcAddress);
     instance->DiscoverAdapters(&adapterOptions);
 
+    SetEnvironmentVar("ANGLE_DEFAULT_PLATFORM", "swiftshader");
+
     glfwDefaultWindowHints();
     glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
     glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);