Migrate 3 more examples to slang-unit-test (#4927)

* Convert 'ray-tracing-pipeline' example into slang-test

* Convert model-view and 'autodiff-texture' examples to slang-test

* Add more error message in RecordReplay test

* Fix a shader issue in autodiff-texture

2 files changed, 36 insertions, 10 deletions

diff --git a/examples/autodiff-texture/main.cpp b/examples/autodiff-texture/main.cpp
index 01cad6fe4..8bffadd84 100644
--- a/examples/autodiff-texture/main.cpp
+++ b/examples/autodiff-texture/main.cpp
@@ -78,6 +78,11 @@ struct AutoDiffTexture : public WindowedAppBase
         diagnoseIfNeeded(diagnosticsBlob);
         SLANG_RETURN_ON_FAIL(result);
 
+        if (isTestMode())
+        {
+            printEntrypointHashes(componentTypes.getCount() - 1, 1, linkedProgram);
+        }
+
         gfx::IShaderProgram::Desc programDesc = {};
         programDesc.slangGlobalScope = linkedProgram;
         SLANG_RETURN_ON_FAIL(device->createProgram(programDesc, outProgram));
@@ -114,6 +119,11 @@ struct AutoDiffTexture : public WindowedAppBase
         diagnoseIfNeeded(diagnosticsBlob);
         SLANG_RETURN_ON_FAIL(result);
 
+        if (isTestMode())
+        {
+            printEntrypointHashes(componentTypes.getCount() - 1, 1, linkedProgram);
+        }
+
         gfx::IShaderProgram::Desc programDesc = {};
         programDesc.slangGlobalScope = linkedProgram;
         SLANG_RETURN_ON_FAIL(device->createProgram(programDesc, outProgram));
@@ -266,18 +276,31 @@ struct AutoDiffTexture : public WindowedAppBase
         initializeBase("autodiff-texture", 1024, 768);
         srand(20421);
 
-        gWindow->events.keyPress = [this](platform::KeyEventArgs& e)
+        if (!isTestMode())
         {
-            if (e.keyChar == 'R' || e.keyChar == 'r')
-                resetLearntTexture = true;
-        };
+            gWindow->events.keyPress = [this](platform::KeyEventArgs& e)
+            {
+                if (e.keyChar == 'R' || e.keyChar == 'r')
+                    resetLearntTexture = true;
+            };
+        }
 
         kClearValue.color.floatValues[0] = 0.3f;
         kClearValue.color.floatValues[1] = 0.5f;
         kClearValue.color.floatValues[2] = 0.7f;
         kClearValue.color.floatValues[3] = 1.0f;
 
-        auto clientRect = gWindow->getClientRect();
+        platform::Rect clientRect{};
+        if (isTestMode())
+        {
+            clientRect.width = 1024;
+            clientRect.height = 768;
+        }
+        else
+        {
+            clientRect = getWindow()->getClientRect();
+        }
+
         windowWidth = clientRect.width;
         windowHeight = clientRect.height;
 
@@ -321,7 +344,7 @@ struct AutoDiffTexture : public WindowedAppBase
         }
         {
             ComPtr<IShaderProgram> shaderProgram;
-            SLANG_RETURN_ON_FAIL(loadComputeProgram(gDevice, "convert", shaderProgram.writeRef()));
+            SLANG_RETURN_ON_FAIL(loadComputeProgram(gDevice, "convert.slang", shaderProgram.writeRef()));
             gConvertPipelineState = createComputePipelineState(shaderProgram);
         }
         {
@@ -619,7 +642,7 @@ struct AutoDiffTexture : public WindowedAppBase
             commandBuffer->close();
             gQueue->executeCommandBuffer(commandBuffer);
         }
-        
+
         // Draw currently learnt texture.
         {
             ComPtr<ICommandBuffer> commandBuffer =
@@ -635,7 +658,10 @@ struct AutoDiffTexture : public WindowedAppBase
             gQueue->executeCommandBuffer(commandBuffer);
         }
 
-        gSwapchain->present();
+        if (!isTestMode())
+        {
+            gSwapchain->present();
+        }
     }
 
     void drawTexturedQuad(IRenderCommandEncoder* renderEncoder, int x, int y, int w, int h, IResourceView* srv)
diff --git a/examples/autodiff-texture/train.slang b/examples/autodiff-texture/train.slang
index c6a819d2f..7126cbde9 100644
--- a/examples/autodiff-texture/train.slang
+++ b/examples/autodiff-texture/train.slang
@@ -15,12 +15,12 @@ struct DifferentiableTexture
     float minLOD;
 
     [BackwardDerivative(bwd_LoadTexel)]
-    float4 LoadTexel(int3 location, int2 offset, uint dLayerW, uint dMipOffset)
+    float4 LoadTexel(int3 location, constexpr int2 offset, uint dLayerW, uint dMipOffset)
     {
         return texture.Load(location, offset);
     }
 
-    void bwd_LoadTexel(int3 location, int2 offset, uint dLayerW, uint dMipOffset, float4 val)
+    void bwd_LoadTexel(int3 location, constexpr int2 offset, uint dLayerW, uint dMipOffset, float4 val)
     {
         // Ignore alpha dimension for this example..
         int4 uval = int4(int3(val.xyz * 65536), 1);