Add statically disabled geometry shaders on mobile

Source/Engine/Graphics/Config.h

@@ -45,6 +45,11 @@
 #define GPU_ALLOW_TESSELLATION_SHADERS 1
 #endif
 
+// True if allow geometry shaders
+#ifndef GPU_ALLOW_GEOMETRY_SHADERS
+#define GPU_ALLOW_GEOMETRY_SHADERS 1
+#endif
+
 // Enable/disable creating GPU resources on separate threads (otherwise only the main thread can be used)
 #define GPU_ENABLE_ASYNC_RESOURCES_CREATION 1
 

Source/Engine/Graphics/Shaders/GPUShader.h

@@ -103,7 +103,11 @@ public:
     /// <returns>The shader object.</returns>
     API_FUNCTION() FORCE_INLINE GPUShaderProgramHS* GetHS(const StringAnsiView& name, int32 permutationIndex = 0) const
     {
+#if GPU_ALLOW_TESSELLATION_SHADERS
         return static_cast<GPUShaderProgramHS*>(GetShader(ShaderStage::Hull, name, permutationIndex));
+#else
+        return nullptr;
+#endif
     }
 
     /// <summary>
@@ -114,7 +118,11 @@ public:
     /// <returns>The shader object.</returns>
     API_FUNCTION() FORCE_INLINE GPUShaderProgramDS* GetDS(const StringAnsiView& name, int32 permutationIndex = 0) const
     {
+#if GPU_ALLOW_TESSELLATION_SHADERS
         return static_cast<GPUShaderProgramDS*>(GetShader(ShaderStage::Domain, name, permutationIndex));
+#else
+        return nullptr;
+#endif
     }
 
     /// <summary>
@@ -125,7 +133,11 @@ public:
     /// <returns>The shader object.</returns>
     API_FUNCTION() FORCE_INLINE GPUShaderProgramGS* GetGS(const StringAnsiView& name, int32 permutationIndex = 0) const
     {
+#if GPU_ALLOW_GEOMETRY_SHADERS
         return static_cast<GPUShaderProgramGS*>(GetShader(ShaderStage::Geometry, name, permutationIndex));
+#else
+        return nullptr;
+#endif
     }
 
     /// <summary>