fixes: crashed whe wireframe mode was used while mesh shader is enabled; guard against zero divide in tlas instance init;

Editor/main_MacOS.mm

@@ -53,8 +53,6 @@ int main( int argc, char* argv[] )
 		[window center];
 		[window makeKeyAndOrderFront:nil];
 		
-		XMUINT2 siz = wi::apple::GetWindowSize((__bridge wi::platform::window_type)window);
-		
 		WindowDelegate *delegate = [[WindowDelegate alloc] init];
 		[window setDelegate:delegate];
 		

WickedEngine/wiRenderer.cpp

@@ -3243,7 +3243,7 @@ void RenderMeshes(
 
 		const float tessF = mesh.GetTessellationFactor();
 		const bool tessellatorRequested = tessF > 0 && tessellation;
-		const bool meshShaderRequested = !tessellatorRequested && mesh_shader && mesh.vb_clu.IsValid();
+		const bool meshShaderRequested = !tessellatorRequested && mesh_shader && mesh.vb_clu.IsValid() && !wireframe;
 
 		// Notes on provoking index buffer:
 		//	Normally it's used for primitiveID generation, so it would be only used in PREPASS

WickedEngine/wiScene.cpp

@@ -268,7 +268,7 @@ namespace wi::scene
 
 		// This must be after lightmap requests were determined:
 		TLAS_instancesMapped = nullptr;
-		if (IsAccelerationStructureUpdateRequested() && device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
+		if (instanceArraySize > 0 && IsAccelerationStructureUpdateRequested() && device->CheckCapability(GraphicsDeviceCapability::RAYTRACING))
 		{
 			GPUBufferDesc desc;
 			desc.stride = (uint32_t)device->GetTopLevelAccelerationStructureInstanceSize();
@@ -287,7 +287,7 @@ namespace wi::scene
 
 			wi::jobsystem::Execute(ctx, [&](wi::jobsystem::JobArgs args) {
 				// Must not keep inactive TLAS instances, so zero them out for safety with invalid instances:
-				//	Note: instead of memsetting, I use WriteTopLevelAccelerationStructureInstance with null instance, so if device requires setup other than zeroing (Metal API) it will stil work
+				//	Note: instead of memsetting, I use WriteTopLevelAccelerationStructureInstance with null instance, so if device requires setup other than zeroing it will still work
 				const uint32_t instanceCount = uint32_t(TLAS_instancesUpload->desc.size / TLAS_instancesUpload->desc.stride);
 				const size_t instanceSize = device->GetTopLevelAccelerationStructureInstanceSize();
 				for (uint32_t i = 0; i < instanceCount; ++i)

WickedEngine/wiVersion.cpp

@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 72;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 0;
+	const int revision = 1;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);