GFX: implement mutable shader objects. (#1963)

* GFX: implement mutable shader objects.

* Revert unnecessary changes

* Revert more changes.

* Fix clang errors.

* Fix clang/gcc errors.

* Fix clang errors.

* Remove CPU test.

* Fix after merge.

* Fix after merge.

* Remove gl test

* Code review fixes.

* Fixing all vk validation errors.

* Flush test output more often.

* Fix a crash in `specializeDynamicAssociatedTypeLookup`.

* temporarily disable std-lib-serialize test to see what happens

* Fix crashes.

* Make sure cpu gfx unit tests are properly disabled on TeamCity.

* Disable cpu test.

* Fix.

* Fix cuda.

* Disable nv-ray-tracing-motion-blur

Co-authored-by: Yong He <yhe@nvidia.com>

4 files changed, 17 insertions, 2 deletions

diff --git a/tools/slang-test/options.cpp b/tools/slang-test/options.cpp
index 27b759a0e..fa7f332b0 100644
--- a/tools/slang-test/options.cpp
+++ b/tools/slang-test/options.cpp
@@ -266,6 +266,10 @@ static bool _isSubCommand(const char* arg)
                 return res;
             }
         }
+        else if (strcmp(arg, "-skip-api-detection") == 0)
+        {
+            optionsOut->skipApiDetection = true;
+        }
         else
         {
             stdError.print("unknown option '%s'\n", arg);
diff --git a/tools/slang-test/options.h b/tools/slang-test/options.h
index a8c2e3852..eacbc7acb 100644
--- a/tools/slang-test/options.h
+++ b/tools/slang-test/options.h
@@ -61,6 +61,9 @@ struct Options
     // force generation of baselines for HLSL tests
     bool generateHLSLBaselines = false;
 
+    // Whether to skip the step of creating test devices to check if an API is actually available.
+    bool skipApiDetection = false;
+
     // Dump expected/actual output on failures, for debugging.
     // This is especially intended for use in continuous
     // integration builds.
diff --git a/tools/slang-test/slang-test-main.cpp b/tools/slang-test/slang-test-main.cpp
index 6fb270c35..8f7c7e35b 100644
--- a/tools/slang-test/slang-test-main.cpp
+++ b/tools/slang-test/slang-test-main.cpp
@@ -897,6 +897,11 @@ static RenderApiFlags _getAvailableRenderApiFlags(TestContext* context)
             // See if it's possible the api is available
             if (RenderApiUtil::calcHasApi(apiType))
             {
+                if (context->options.skipApiDetection)
+                {
+                    availableRenderApiFlags |= RenderApiFlags(1) << int(apiType);
+                    continue;
+                }
                 // Try starting up the device
                 CommandLine cmdLine;
                 cmdLine.setExecutablePath(Path::combine(context->options.binDir,  String("render-test") + ProcessUtil::getExecutableSuffix()));
@@ -908,7 +913,6 @@ static RenderApiFlags _getAvailableRenderApiFlags(TestContext* context)
                 StringBuilder builder;
                 builder << "-" << RenderApiUtil::getApiName(apiType);
                 cmdLine.addArg(builder);
-
                 // Run the render-test tool and see if the device could startup
                 ExecuteResult exeRes;
                 if (SLANG_SUCCEEDED(spawnAndWaitSharedLibrary(context, "device-startup", cmdLine, exeRes))
@@ -3337,6 +3341,8 @@ static void _disableCPPBackends(TestContext* context)
     for (auto passThru : cppPassThrus)
     {
         context->availableBackendFlags &= ~(PassThroughFlags(1) << int(passThru));
+        context->availableRenderApiFlags &= ~(RenderApiFlag::CPU);
+        context->options.enabledApis &= ~(RenderApiFlag::CPU);
     }
 }
 
diff --git a/tools/slang-test/test-reporter.cpp b/tools/slang-test/test-reporter.cpp
index 84bcaa32c..8000fd2a5 100644
--- a/tools/slang-test/test-reporter.cpp
+++ b/tools/slang-test/test-reporter.cpp
@@ -338,6 +338,7 @@ void TestReporter::_addResult(const TestInfo& info)
             _appendTime(info.executionTime, buffer);
         }
         printf("%s test: '%S' %s\n", resultString, info.name.toWString().begin(), buffer.getBuffer());
+        fflush(stdout);
     };
 
     switch (m_outputMode)
@@ -498,7 +499,7 @@ void TestReporter::message(TestMessageType type, const String& message)
         {
             fputs(message.getBuffer(), stderr);
         }
-
+        fflush(stderr);
         // Just dump out if can dump out
         return;
     }
@@ -515,6 +516,7 @@ void TestReporter::message(TestMessageType type, const String& message)
         {
             fputs(message.getBuffer(), stderr);
         }
+        fflush(stderr);
     }
 
     if (m_currentMessage.getLength() > 0)