From 362db5828fbe4e2d568888e143e7fedb1acec395 Mon Sep 17 00:00:00 2001
From: Stephen White <senorblanco@chromium.org>
Date: Mon, 22 Jun 2020 13:48:34 -0400
Subject: [PATCH] DawnTestContext: print validation errors with SkDebugf.

This helps to diagnose errors in DM tests.

Change-Id: Ib585e6e78c1d0a03493befe970558e6f9c9731a1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/298136
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Stephen White <senorblanco@google.com>
---
 tools/gpu/dawn/DawnTestContext.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/gpu/dawn/DawnTestContext.cpp b/tools/gpu/dawn/DawnTestContext.cpp
index f30c5ecf52..58d755ea5c 100644
--- a/tools/gpu/dawn/DawnTestContext.cpp
+++ b/tools/gpu/dawn/DawnTestContext.cpp
@@ -77,6 +77,10 @@ private:
 ProcGetter* ProcGetter::fInstance;
 #endif
 
+static void PrintDeviceError(WGPUErrorType, const char* message, void*) {
+    SkDebugf("Device error: %s\n", message);
+}
+
 class DawnTestContextImpl : public sk_gpu_test::DawnTestContext {
 public:
     static wgpu::Device createDevice(const dawn_native::Instance& instance,
@@ -124,6 +128,7 @@ public:
 #endif
 #endif
             device = createDevice(*instance, type);
+            device.SetUncapturedErrorCallback(PrintDeviceError, 0);
         }
         if (!device) {
             return nullptr;