add explicit resource dependencies to graphics resource objects

src/Graphics/Resources/ComputePipeline.cs

@@ -7,6 +7,8 @@ namespace MoonWorks.Graphics
     {
         protected override Action<IntPtr, IntPtr> QueueDestroyFunction => Refresh.Refresh_QueueDestroyComputePipeline;
 
+        public ShaderStageState ComputeShaderState { get; }
+
         public unsafe ComputePipeline(
             GraphicsDevice device,
             ShaderStageState computeShaderState,
@@ -34,6 +36,8 @@ namespace MoonWorks.Graphics
                 device.Handle,
                 computePipelineCreateInfo
             );
+
+            ComputeShaderState = computeShaderState;
         }
     }
 }

src/Graphics/Resources/Framebuffer.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using RefreshCS;
 
 namespace MoonWorks.Graphics
@@ -7,6 +8,13 @@ namespace MoonWorks.Graphics
     {
         protected override Action<IntPtr, IntPtr> QueueDestroyFunction => Refresh.Refresh_QueueDestroyFramebuffer;
 
+        public RenderTarget DepthStencilTarget { get; }
+
+        private RenderTarget[] colorTargets { get; }
+        public IEnumerable<RenderTarget> ColorTargets => colorTargets;
+
+        public RenderPass RenderPass { get; }
+
         public unsafe Framebuffer(
             GraphicsDevice device,
             uint width,
@@ -46,6 +54,16 @@ namespace MoonWorks.Graphics
 
                 Handle = Refresh.Refresh_CreateFramebuffer(device.Handle, framebufferCreateInfo);
             }
+
+            DepthStencilTarget = depthStencilTarget;
+
+            this.colorTargets = new RenderTarget[colorTargets.Length];
+            for (var i = 0; i < colorTargets.Length; i++)
+            {
+                this.colorTargets[i] = colorTargets[i];
+            }
+
+            RenderPass = renderPass;
         }
     }
 }

src/Graphics/Resources/GraphicsPipeline.cs

@@ -8,6 +8,10 @@ namespace MoonWorks.Graphics
     {
         protected override Action<IntPtr, IntPtr> QueueDestroyFunction => Refresh.Refresh_QueueDestroyGraphicsPipeline;
 
+        public ShaderStageState VertexShaderState { get; }
+        public ShaderStageState FragmentShaderState { get; }
+        public RenderPass RenderPass { get; }
+
         public unsafe GraphicsPipeline(
             GraphicsDevice device,
             ColorBlendState colorBlendState,
@@ -99,6 +103,10 @@ namespace MoonWorks.Graphics
             vertexBindingsHandle.Free();
             viewportHandle.Free();
             scissorHandle.Free();
+
+            VertexShaderState = vertexShaderState;
+            FragmentShaderState = fragmentShaderState;
+            RenderPass = renderPass;
         }
     }
 }