Add checks for failed SkImageInfo2GrPixelConfig calls

Bug: skia:7645
Change-Id: I32b9326fb43490ef6a7a99527243b68d89184ae1
Reviewed-on: https://skia-review.googlesource.com/109083
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/tools/gpu/GrTest.cpp b/tools/gpu/GrTest.cpp
index df5baf9b37..c6d3bbe2ef 100644
--- a/tools/gpu/GrTest.cpp
+++ b/tools/gpu/GrTest.cpp
@@ -187,6 +187,9 @@ GrBackendTexture GrGpu::createTestingOnlyBackendTexture(void* pixels, int w, int
                                                         SkColorType colorType, bool isRenderTarget,
                                                         GrMipMapped mipMapped) {
     GrPixelConfig config = SkImageInfo2GrPixelConfig(colorType, nullptr, *this->caps());
+    if (kUnknown_GrPixelConfig == config) {
+        return GrBackendTexture();
+    }
     return this->createTestingOnlyBackendTexture(pixels, w, h, config, isRenderTarget, mipMapped);
 }