Texture Cache: Initial Implementation of Sparse Textures.

src/video_core/rasterizer_interface.h

@@ -87,6 +87,9 @@ public:
     /// Unmap memory range
     virtual void UnmapMemory(VAddr addr, u64 size) = 0;
 
+    /// Unmap memory range
+    virtual void ModifyGPUMemory(GPUVAddr addr, u64 size) = 0;
+
     /// Notify rasterizer that any caches of the specified region should be flushed to Switch memory
     /// and invalidated
     virtual void FlushAndInvalidateRegion(VAddr addr, u64 size) = 0;