Add a context stack to Reporter, for better error messages

Currently, just inject the Ganesh context type when running unit tests.
Obviously, we can use this to supply other contextual information around
tests that do many variations of configs, formats, etc...

BUG=skia:

Change-Id: Iab96632a92ec632e4d132bbcc17a91a8dd251e78
Reviewed-on: https://skia-review.googlesource.com/5565
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/dm/DM.cpp b/dm/DM.cpp
index 0d39867ba6..ce45515ffb 100644
--- a/dm/DM.cpp
+++ b/dm/DM.cpp
@@ -1410,6 +1410,36 @@ bool IsRenderingGLContextType(sk_gpu_test::GrContextFactory::ContextType type) {
 bool IsNullGLContextType(sk_gpu_test::GrContextFactory::ContextType type) {
     return type == GrContextFactory::kNullGL_ContextType;
 }
+const char* ContextTypeName(GrContextFactory::ContextType contextType) {
+    switch (contextType) {
+        case GrContextFactory::kGL_ContextType:
+            return "OpenGL";
+        case GrContextFactory::kGLES_ContextType:
+            return "OpenGLES";
+        case GrContextFactory::kANGLE_D3D9_ES2_ContextType:
+            return "ANGLE D3D9 ES2";
+        case GrContextFactory::kANGLE_D3D11_ES2_ContextType:
+            return "ANGLE D3D11 ES2";
+        case GrContextFactory::kANGLE_D3D11_ES3_ContextType:
+            return "ANGLE D3D11 ES3";
+        case GrContextFactory::kANGLE_GL_ES2_ContextType:
+            return "ANGLE GL ES2";
+        case GrContextFactory::kANGLE_GL_ES3_ContextType:
+            return "ANGLE GL ES3";
+        case GrContextFactory::kCommandBuffer_ContextType:
+            return "Command Buffer";
+        case GrContextFactory::kMESA_ContextType:
+            return "Mesa";
+        case GrContextFactory::kNullGL_ContextType:
+            return "Null GL";
+        case GrContextFactory::kDebugGL_ContextType:
+            return "Debug GL";
+        case GrContextFactory::kVulkan_ContextType:
+            return "Vulkan";
+    }
+    SkDEBUGFAIL("Unreachable");
+    return "Unknown";
+}
 #else
 bool IsGLContextType(int) { return false; }
 bool IsVulkanContextType(int) { return false; }
@@ -1435,6 +1465,7 @@ void RunWithGPUTestContexts(GrContextTestFn* test, GrContextTypeFilterFn* contex
         if (contextTypeFilter && !(*contextTypeFilter)(contextType)) {
             continue;
         }
+        ReporterContext ctx(reporter, SkString(ContextTypeName(contextType)));
         if (ctxInfo.grContext()) {
             (*test)(reporter, ctxInfo);
         }