add IndirectDrawCommand struct

Updates the APIs to match [this Refresh PR](MoonsideGames/Refresh#27).

Co-authored-by: Caleb Cornett <caleb.cornett@outlook.com>
Reviewed-on: MoonsideGames/MoonWorks#38
Co-authored-by: TheSpydog <thespydog@noreply.example.org>
Co-committed-by: TheSpydog <thespydog@noreply.example.org>

lib/RefreshCS

@@ -1 +1 @@
-Subproject commit 2880ab39a323a8482331cf76f69d764f13ff2921
+Subproject commit 9068263afcf5743ac8f2c023eb68610523feb905

src/Graphics/CommandBuffer.cs

@@ -847,6 +847,10 @@ namespace MoonWorks.Graphics
 			in BufferBinding bufferBinding,
 			uint firstBinding = 0
 		) {
+#if DEBUG
+			AssertGraphicsPipelineBound();
+#endif
+
 			var bufferPtrs = stackalloc IntPtr[1];
 			var offsets = stackalloc ulong[1];
 
@@ -874,6 +878,10 @@ namespace MoonWorks.Graphics
 			in BufferBinding bufferBindingTwo,
 			uint firstBinding = 0
 		) {
+#if DEBUG
+			AssertGraphicsPipelineBound();
+#endif
+
 			var bufferPtrs = stackalloc IntPtr[2];
 			var offsets = stackalloc ulong[2];
 
@@ -906,6 +914,10 @@ namespace MoonWorks.Graphics
 			in BufferBinding bufferBindingThree,
 			uint firstBinding = 0
 		) {
+#if DEBUG
+			AssertGraphicsPipelineBound();
+#endif
+
 			var bufferPtrs = stackalloc IntPtr[3];
 			var offsets = stackalloc ulong[3];
 
@@ -942,6 +954,10 @@ namespace MoonWorks.Graphics
 			in BufferBinding bufferBindingFour,
 			uint firstBinding = 0
 		) {
+#if DEBUG
+			AssertGraphicsPipelineBound();
+#endif
+
 			var bufferPtrs = stackalloc IntPtr[4];
 			var offsets = stackalloc ulong[4];
 
@@ -974,6 +990,10 @@ namespace MoonWorks.Graphics
 			in Span<BufferBinding> bufferBindings,
 			uint firstBinding = 0
 		) {
+#if DEBUG
+			AssertGraphicsPipelineBound();
+#endif
+
 			var bufferPtrs = stackalloc IntPtr[bufferBindings.Length];
 			var offsets = stackalloc ulong[bufferBindings.Length];
 
@@ -1623,6 +1643,13 @@ namespace MoonWorks.Graphics
 		public Texture AcquireSwapchainTexture(
 			Window window
 		) {
+#if DEBUG
+			if (!window.Claimed)
+			{
+				throw new System.InvalidOperationException("Cannot acquire swapchain texture, window has not been claimed!");
+			}
+#endif
+
 			var texturePtr = Refresh.Refresh_AcquireSwapchainTexture(
 				Device.Handle,
 				Handle,

src/Graphics/RefreshEnums.cs

@@ -221,11 +221,7 @@ namespace MoonWorks.Graphics
 		OneMinusDestinationAlpha,
 		ConstantColor,
 		OneMinusConstantColor,
-		SourceAlphaSaturate,
-		SourceOneColor,
-		OneMinusSourceOneColor,
-		SourceOneAlpha,
-		OneMinusSourceOneAlpha
+		SourceAlphaSaturate
 	}
 
 	[Flags]

src/Graphics/RefreshStructs.cs

@@ -364,4 +364,25 @@ namespace MoonWorks.Graphics
 			BlendState = blendState;
 		}
 	}
+
+	[StructLayout(LayoutKind.Sequential)]
+	public struct IndirectDrawCommand
+	{
+		public uint VertexCount;
+		public uint InstanceCount;
+		public uint FirstVertex;
+		public uint FirstInstance;
+
+		public IndirectDrawCommand(
+			uint vertexCount,
+			uint instanceCount,
+			uint firstVertex,
+			uint firstInstance
+		) {
+			VertexCount = vertexCount;
+			InstanceCount = instanceCount;
+			FirstVertex = firstVertex;
+			FirstInstance = firstInstance;
+		}
+	}
 }

src/Graphics/Resources/GraphicsPipeline.cs

@@ -14,7 +14,7 @@ namespace MoonWorks.Graphics
 
 		public GraphicsShaderInfo VertexShaderInfo { get; }
 		public GraphicsShaderInfo FragmentShaderInfo { get; }
-		public  SampleCount SampleCount { get; }
+		public SampleCount SampleCount { get; }
 
 #if DEBUG
 		internal GraphicsPipelineAttachmentInfo AttachmentInfo { get; }
@@ -89,7 +89,6 @@ namespace MoonWorks.Graphics
 			refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasConstantFactor = rasterizerState.DepthBiasConstantFactor;
 			refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasEnable = Conversions.BoolToByte(rasterizerState.DepthBiasEnable);
 			refreshGraphicsPipelineCreateInfo.rasterizerState.depthBiasSlopeFactor = rasterizerState.DepthBiasSlopeFactor;
-			refreshGraphicsPipelineCreateInfo.rasterizerState.depthClampEnable = Conversions.BoolToByte(rasterizerState.DepthClampEnable);
 			refreshGraphicsPipelineCreateInfo.rasterizerState.fillMode = (Refresh.FillMode) rasterizerState.FillMode;
 			refreshGraphicsPipelineCreateInfo.rasterizerState.frontFace = (Refresh.FrontFace) rasterizerState.FrontFace;
 

src/Graphics/State/RasterizerState.cs

@@ -29,7 +29,6 @@
 		/// Factor applied to a fragment's slope in depth bias calculations. Only applies if depth biasing is enabled.
 		/// </summary>
 		public float DepthBiasSlopeFactor;
-		public bool DepthClampEnable;
 
 		/// <summary>
 		/// Specifies how triangles should be drawn.