Specify downstream compiler include paths (#2517)

* #include an absolute path didn't work - because paths were taken to always be relative.

* WIP around testing with NVAPI.

* Make -I work for downstream compilers.
Update docs.

* Small improvement around ignoring tests.

1 files changed, 6 insertions, 0 deletions

diff --git a/tools/slang-test/slang-test-main.cpp b/tools/slang-test/slang-test-main.cpp
index 5c6d480d3..d2023a0f0 100644
--- a/tools/slang-test/slang-test-main.cpp
+++ b/tools/slang-test/slang-test-main.cpp
@@ -3687,6 +3687,12 @@ static bool _canIgnore(TestContext* context, const TestDetails& details)
         return true;
     }
 
+    // If there are no render API requirements, then we don't need to ignore.
+    if (requirements.usedRenderApiFlags == 0)
+    {
+        return false;
+    }
+
     // Work out what render api flags are actually available, lazily
     const RenderApiFlags availableRenderApiFlags = requirements.usedRenderApiFlags ? _getAvailableRenderApiFlags(context) : 0;