Refactored resources classes to use common base class

Runtime/FrameInterpolation/FrameInterpolationResources.cs

@@ -5,7 +5,7 @@ using UnityEngine.Experimental.Rendering;
 
 namespace FidelityFX.FrameGen
 {
-    internal class FrameInterpolationResources
+    internal class FrameInterpolationResources: FfxResourcesBase
     {
         public RenderTexture ReconstructedDepthInterpolatedFrame;
         public RenderTexture GameMotionVectorFieldX;
@@ -60,58 +60,5 @@ namespace FidelityFX.FrameGen
             DestroyResource(ref GameMotionVectorFieldX);
             DestroyResource(ref ReconstructedDepthInterpolatedFrame);
         }
-        
-        private static RenderTexture CreateResource(string name, Vector2Int size, GraphicsFormat format)
-        {
-            var rt = new RenderTexture(size.x, size.y, 0, format) { name = name, enableRandomWrite = true };
-            rt.Create();
-            return rt;
-        }
-
-        private static RenderTexture CreateResourceMips(string name, Vector2Int size, GraphicsFormat format)
-        {
-            int mipCount = 1 + Mathf.FloorToInt(Mathf.Log(Math.Max(size.x, size.y), 2.0f));
-            var rt = new RenderTexture(size.x, size.y, 0, format, mipCount) { name = name, enableRandomWrite = true, useMipMap = true, autoGenerateMips = false };
-            rt.Create();
-            return rt;
-        }
-        
-        private static ComputeBuffer CreateBuffer<TElem>(string name, int count)
-        {
-            return new ComputeBuffer(count, Marshal.SizeOf<TElem>());
-        }
-        
-        private static void CreateDoubleBufferedResource(RenderTexture[] resource, string name, Vector2Int size, GraphicsFormat format, int numElements = 2)
-        {
-            for (int i = 0; i < numElements; ++i)
-            {
-                resource[i] = new RenderTexture(size.x, size.y, 0, format) { name = name + (i + 1), enableRandomWrite = true };
-                resource[i].Create();
-            }
-        }
-
-        private static void DestroyResource(ref RenderTexture resource)
-        {
-            if (resource == null)
-                return;
-            
-            resource.Release();
-            resource = null;
-        }
-
-        private static void DestroyResource(ref ComputeBuffer resource)
-        {
-            if (resource == null)
-                return;
-            
-            resource.Release();
-            resource = null;
-        }
-
-        private static void DestroyResource(RenderTexture[] resource)
-        {
-            for (int i = 0; i < resource.Length; ++i)
-                DestroyResource(ref resource[i]);
-        }
     }
 }

Runtime/OpticalFlow/OpticalFlowResources.cs

@@ -3,7 +3,7 @@ using UnityEngine.Experimental.Rendering;
 
 namespace FidelityFX.FrameGen
 {
-    internal class OpticalFlowResources
+    internal class OpticalFlowResources: FfxResourcesBase
     {
         public readonly RenderTexture[][] OpticalFlowInputLevels = 
         {
@@ -36,11 +36,6 @@ namespace FidelityFX.FrameGen
             Vector2Int opticalFlowInputTextureSize = contextDescription.resolution;
             Vector2Int opticalFlowTextureSize = OpticalFlow.GetOpticalFlowTextureSize(contextDescription.resolution, OpticalFlow.MinBlockSize);
             
-            // TODO: this seems useless, delete unless something comes up
-            Vector2Int opticalFlowHistogramTextureSize = OpticalFlow.GetOpticalFlowHistogramSize(0);
-            Vector2Int globalMotionSearchMaxDispatchSize = OpticalFlow.GetGlobalMotionSearchDispatchSize(0);
-            int globalMotionSearchTextureWidth = 4 + (globalMotionSearchMaxDispatchSize.x * globalMotionSearchMaxDispatchSize.y);
-
             for (int level = 0; level < OpticalFlow.OpticalFlowMaxPyramidLevels; ++level)
             {
                 CreateDoubleBufferedResource(OpticalFlowInputLevels[level], $"OPTICALFLOW_OpticalFlowInputLevel{level}-", opticalFlowInputTextureSize, GraphicsFormat.R8_UInt);
@@ -77,36 +72,5 @@ namespace FidelityFX.FrameGen
         {
             return (x + (y - 1)) & ~(y - 1);
         }
-
-        private static RenderTexture CreateResource(string name, Vector2Int size, GraphicsFormat format)
-        {
-            var rt = new RenderTexture(size.x, size.y, 0, format) { name = name, enableRandomWrite = true };
-            rt.Create();
-            return rt;
-        }
-        
-        private static void CreateDoubleBufferedResource(RenderTexture[] resource, string name, Vector2Int size, GraphicsFormat format)
-        {
-            for (int i = 0; i < 2; ++i)
-            {
-                resource[i] = new RenderTexture(size.x, size.y, 0, format) { name = name + (i + 1), enableRandomWrite = true };
-                resource[i].Create();
-            }
-        }
-
-        private static void DestroyResource(ref RenderTexture resource)
-        {
-            if (resource == null)
-                return;
-            
-            resource.Release();
-            resource = null;
-        }
-
-        private static void DestroyResource(RenderTexture[] resource)
-        {
-            for (int i = 0; i < resource.Length; ++i)
-                DestroyResource(ref resource[i]);
-        }
     }
 }