using Refresh again

.gitmodules

@@ -10,6 +10,6 @@
 [submodule "lib/dav1dfile"]
 	path = lib/dav1dfile
 	url = https://github.com/MoonsideGames/dav1dfile.git
-[submodule "SDL2_gpuCS"]
-	path = lib/SDL2_gpuCS
-	url = https://github.com/MoonsideGames/SDL2_gpuCS.git
+[submodule "lib/RefreshCS"]
+	path = lib/RefreshCS
+	url = https://github.com/MoonsideGames/RefreshCS.git

MoonWorks.csproj

@@ -11,7 +11,7 @@
 
 	<ItemGroup>
 		<Compile Include="lib\FAudio\csharp\FAudio.cs" />
-		<Compile Include="lib\SDL2_gpuCS\SDL2_gpuCS.cs" />
+		<Compile Include="lib\RefreshCS\RefreshCS.cs" />
 		<Compile Include="lib\SDL2-CS\src\SDL2.cs" />
 		<Compile Include="lib\WellspringCS\WellspringCS.cs" />
 		<Compile Include="lib\dav1dfile\csharp\dav1dfile.cs" />

lib/RefreshCS

@@ -0,0 +1 @@
+Subproject commit a0cdff3054c646a532e5850c0ab89d4611069237

lib/SDL2_gpuCS

@@ -1 +0,0 @@
-Subproject commit 70925aa394c0f24388f3cfb97f1c6ee1f91baf52

src/Game.cs

@@ -85,8 +85,14 @@ namespace MoonWorks
 				debugMode
 			);
 
+			SDL.SDL_WindowFlags windowFlags = 0;
+			if ((preferredBackends & BackendFlags.Vulkan) != 0)
+			{
+				windowFlags |= SDL.SDL_WindowFlags.SDL_WINDOW_VULKAN;
+			}
+
 			Logger.LogInfo("Initializing main window...");
-			MainWindow = new Window(windowCreateInfo, GraphicsDevice.WindowFlags | SDL.SDL_WindowFlags.SDL_WINDOW_HIDDEN);
+			MainWindow = new Window(windowCreateInfo, windowFlags | SDL.SDL_WindowFlags.SDL_WINDOW_HIDDEN);
 
 			if (!GraphicsDevice.ClaimWindow(MainWindow, windowCreateInfo.SwapchainComposition, windowCreateInfo.PresentMode))
 			{

src/Graphics/CommandBuffer.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Runtime.InteropServices;
-using SDL2;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
@@ -82,7 +81,7 @@ public class CommandBuffer
 		}
 #endif
 
-		var texturePtr = SDL_Gpu.SDL_GpuAcquireSwapchainTexture(
+		var texturePtr = Refresh.Refresh_AcquireSwapchainTexture(
 			Handle,
 			window.Handle,
 			out var width,
@@ -123,14 +122,14 @@ public class CommandBuffer
 		AssertColorTarget(colorAttachmentInfo);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[1];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfo.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[1];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			1,
-			(SDL_Gpu.DepthStencilAttachmentInfo*) nint.Zero
+			(Refresh.DepthStencilAttachmentInfo*) nint.Zero
 		);
 
 		var renderPass = Device.RenderPassPool.Obtain();
@@ -171,15 +170,15 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfoOne.TextureSlice.Texture, colorAttachmentInfoTwo.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[2];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToSDL();
-		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[2];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToRefresh();
+		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			2,
-			(SDL_Gpu.DepthStencilAttachmentInfo*) nint.Zero
+			(Refresh.DepthStencilAttachmentInfo*) nint.Zero
 		);
 
 		var renderPass = Device.RenderPassPool.Obtain();
@@ -227,16 +226,16 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfoOne.TextureSlice.Texture, colorAttachmentInfoThree.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[3];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToSDL();
-		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToSDL();
-		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[3];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToRefresh();
+		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToRefresh();
+		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			3,
-			(SDL_Gpu.DepthStencilAttachmentInfo*) nint.Zero
+			(Refresh.DepthStencilAttachmentInfo*) nint.Zero
 		);
 
 		var renderPass = Device.RenderPassPool.Obtain();
@@ -290,17 +289,17 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfoOne.TextureSlice.Texture, colorAttachmentInfoFour.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[4];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToSDL();
-		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToSDL();
-		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToSDL();
-		sdlColorAttachmentInfos[3] = colorAttachmentInfoFour.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[4];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToRefresh();
+		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToRefresh();
+		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToRefresh();
+		sdlColorAttachmentInfos[3] = colorAttachmentInfoFour.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			4,
-			(SDL_Gpu.DepthStencilAttachmentInfo*) nint.Zero
+			(Refresh.DepthStencilAttachmentInfo*) nint.Zero
 		);
 
 		var renderPass = Device.RenderPassPool.Obtain();
@@ -334,11 +333,11 @@ public class CommandBuffer
 		AssertValidDepthAttachment(depthStencilAttachmentInfo);
 #endif
 
-		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToSDL();
+		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
-			(SDL_Gpu.ColorAttachmentInfo*) nint.Zero,
+			(Refresh.ColorAttachmentInfo*) nint.Zero,
 			0,
 			&sdlDepthStencilAttachmentInfo
 		);
@@ -376,12 +375,12 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfo.TextureSlice.Texture, depthStencilAttachmentInfo.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[1];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfo.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[1];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfo.ToRefresh();
 
-		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToSDL();
+		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			1,
@@ -431,13 +430,13 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfoOne.TextureSlice.Texture, depthStencilAttachmentInfo.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[2];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToSDL();
-		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[2];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToRefresh();
+		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToRefresh();
 
-		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToSDL();
+		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			2,
@@ -494,14 +493,14 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfoOne.TextureSlice.Texture, depthStencilAttachmentInfo.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[3];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToSDL();
-		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToSDL();
-		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[3];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToRefresh();
+		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToRefresh();
+		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToRefresh();
 
-		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToSDL();
+		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			3,
@@ -565,15 +564,15 @@ public class CommandBuffer
 		AssertSameSampleCount(colorAttachmentInfoOne.TextureSlice.Texture, depthStencilAttachmentInfo.TextureSlice.Texture);
 #endif
 
-		var sdlColorAttachmentInfos = stackalloc SDL_Gpu.ColorAttachmentInfo[4];
-		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToSDL();
-		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToSDL();
-		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToSDL();
-		sdlColorAttachmentInfos[3] = colorAttachmentInfoFour.ToSDL();
+		var sdlColorAttachmentInfos = stackalloc Refresh.ColorAttachmentInfo[4];
+		sdlColorAttachmentInfos[0] = colorAttachmentInfoOne.ToRefresh();
+		sdlColorAttachmentInfos[1] = colorAttachmentInfoTwo.ToRefresh();
+		sdlColorAttachmentInfos[2] = colorAttachmentInfoThree.ToRefresh();
+		sdlColorAttachmentInfos[3] = colorAttachmentInfoFour.ToRefresh();
 
-		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToSDL();
+		var sdlDepthStencilAttachmentInfo = depthStencilAttachmentInfo.ToRefresh();
 
-		var renderPassHandle = SDL_Gpu.SDL_GpuBeginRenderPass(
+		var renderPassHandle = Refresh.Refresh_BeginRenderPass(
 			Handle,
 			sdlColorAttachmentInfos,
 			4,
@@ -613,7 +612,7 @@ public class CommandBuffer
 		renderPass.active = false;
 #endif
 
-		SDL_Gpu.SDL_GpuEndRenderPass(
+		Refresh.Refresh_EndRenderPass(
 			renderPass.Handle
 		);
 
@@ -633,11 +632,11 @@ public class CommandBuffer
 		Filter filter,
 		bool cycle
 	) {
-		SDL_Gpu.SDL_GpuBlit(
+		Refresh.Refresh_Blit(
 			Handle,
-			source.ToSDL(),
-			destination.ToSDL(),
-			(SDL_Gpu.Filter) filter,
+			source.ToRefresh(),
+			destination.ToRefresh(),
+			(Refresh.Filter) filter,
 			Conversions.BoolToInt(cycle)
 		);
 	}
@@ -651,13 +650,13 @@ public class CommandBuffer
 		computePassActive = true;
 #endif
 
-		var sdlTextureBinding = readWriteTextureBinding.ToSDL();
+		var sdlTextureBinding = readWriteTextureBinding.ToRefresh();
 
-		var computePassHandle = SDL_Gpu.SDL_GpuBeginComputePass(
+		var computePassHandle = Refresh.Refresh_BeginComputePass(
 			Handle,
 			&sdlTextureBinding,
 			1,
-			(SDL_Gpu.StorageBufferReadWriteBinding*) nint.Size,
+			(Refresh.StorageBufferReadWriteBinding*) nint.Size,
 			0
 		);
 
@@ -680,11 +679,11 @@ public class CommandBuffer
 		computePassActive = true;
 #endif
 
-		var sdlBufferBinding = readWriteBufferBinding.ToSDL();
+		var sdlBufferBinding = readWriteBufferBinding.ToRefresh();
 
-		var computePassHandle = SDL_Gpu.SDL_GpuBeginComputePass(
+		var computePassHandle = Refresh.Refresh_BeginComputePass(
 			Handle,
-			(SDL_Gpu.StorageTextureReadWriteBinding*) nint.Zero,
+			(Refresh.StorageTextureReadWriteBinding*) nint.Zero,
 			0,
 			&sdlBufferBinding,
 			1
@@ -710,10 +709,10 @@ public class CommandBuffer
 		computePassActive = true;
 #endif
 
-		var sdlTextureBinding = readWriteTextureBinding.ToSDL();
-		var sdlBufferBinding = readWriteBufferBinding.ToSDL();
+		var sdlTextureBinding = readWriteTextureBinding.ToRefresh();
+		var sdlBufferBinding = readWriteBufferBinding.ToRefresh();
 
-		var computePassHandle = SDL_Gpu.SDL_GpuBeginComputePass(
+		var computePassHandle = Refresh.Refresh_BeginComputePass(
 			Handle,
 			&sdlTextureBinding,
 			1,
@@ -749,11 +748,11 @@ public class CommandBuffer
 			(nuint) (readWriteBufferBindings.Length * Marshal.SizeOf<StorageBufferReadWriteBinding>())
 		);
 
-		var computePassHandle = SDL_Gpu.SDL_GpuBeginComputePass(
+		var computePassHandle = Refresh.Refresh_BeginComputePass(
 			Handle,
-			(SDL_Gpu.StorageTextureReadWriteBinding*) sdlTextureBindings,
+			(Refresh.StorageTextureReadWriteBinding*) sdlTextureBindings,
 			(uint) readWriteTextureBindings.Length,
-			(SDL_Gpu.StorageBufferReadWriteBinding*) sdlBufferBindings,
+			(Refresh.StorageBufferReadWriteBinding*) sdlBufferBindings,
 			(uint) readWriteBufferBindings.Length
 		);
 
@@ -779,7 +778,7 @@ public class CommandBuffer
 		computePass.active = false;
 #endif
 
-		SDL_Gpu.SDL_GpuEndComputePass(
+		Refresh.Refresh_EndComputePass(
 			computePass.Handle
 		);
 
@@ -802,7 +801,7 @@ public class CommandBuffer
 		copyPassActive = true;
 #endif
 
-		var copyPassHandle = SDL_Gpu.SDL_GpuBeginCopyPass(Handle);
+		var copyPassHandle = Refresh.Refresh_BeginCopyPass(Handle);
 
 		var copyPass = Device.CopyPassPool.Obtain();
 		copyPass.SetHandle(copyPassHandle);
@@ -818,7 +817,7 @@ public class CommandBuffer
 		copyPassActive = false;
 #endif
 
-		SDL_Gpu.SDL_GpuEndCopyPass(
+		Refresh.Refresh_EndCopyPass(
 			copyPass.Handle
 		);
 

src/Graphics/ComputePass.cs

@@ -1,6 +1,5 @@
 using System.Runtime.InteropServices;
-using SDL2;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
@@ -32,7 +31,7 @@ public class ComputePass
 		// TODO: validate formats?
 #endif
 
-		SDL_Gpu.SDL_GpuBindComputePipeline(
+		Refresh.Refresh_BindComputePipeline(
 			Handle,
 			computePipeline.Handle
 		);
@@ -57,9 +56,9 @@ public class ComputePass
 		AssertTextureHasComputeStorageReadFlag(textureSlice.Texture);
 #endif
 
-		var sdlTextureSlice = textureSlice.ToSDL();
+		var sdlTextureSlice = textureSlice.ToRefresh();
 
-		SDL_Gpu.SDL_GpuBindComputeStorageTextures(
+		Refresh.Refresh_BindComputeStorageTextures(
 			Handle,
 			slot,
 			&sdlTextureSlice,
@@ -84,7 +83,7 @@ public class ComputePass
 
 		var bufferHandle = buffer.Handle;
 
-		SDL_Gpu.SDL_GpuBindComputeStorageBuffers(
+		Refresh.Refresh_BindComputeStorageBuffers(
 			Handle,
 			slot,
 			&bufferHandle,
@@ -111,7 +110,7 @@ public class ComputePass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuPushComputeUniformData(
+		Refresh.Refresh_PushComputeUniformData(
 			Handle,
 			slot,
 			(nint) uniformsPtr,
@@ -153,7 +152,7 @@ public class ComputePass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuDispatchCompute(
+		Refresh.Refresh_DispatchCompute(
 			Handle,
 			groupCountX,
 			groupCountY,

src/Graphics/CopyPass.cs

@@ -1,5 +1,5 @@
 using System.Runtime.InteropServices;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
@@ -32,11 +32,11 @@ public class CopyPass
 		AssertBufferBoundsCheck(transferBuffer.Size, copyParams.BufferOffset, textureRegion.Size);
 #endif
 
-		SDL_Gpu.SDL_GpuUploadToTexture(
+		Refresh.Refresh_UploadToTexture(
 			Handle,
 			transferBuffer.Handle,
-			textureRegion.ToSDL(),
-			copyParams.ToSDL(),
+			textureRegion.ToRefresh(),
+			copyParams.ToRefresh(),
 			Conversions.BoolToInt(cycle)
 		);
 	}
@@ -78,11 +78,11 @@ public class CopyPass
 		AssertBufferBoundsCheck(buffer.Size, copyParams.DstOffset, copyParams.Size);
 #endif
 
-		SDL_Gpu.SDL_GpuUploadToBuffer(
+		Refresh.Refresh_UploadToBuffer(
 			Handle,
 			transferBuffer.Handle,
 			buffer.Handle,
-			copyParams.ToSDL(),
+			copyParams.ToRefresh(),
 			Conversions.BoolToInt(cycle)
 		);
 	}
@@ -149,10 +149,10 @@ public class CopyPass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuCopyTextureToTexture(
+		Refresh.Refresh_CopyTextureToTexture(
 			Handle,
-			source.ToSDL(),
-			destination.ToSDL(),
+			source.ToRefresh(),
+			destination.ToRefresh(),
 			Conversions.BoolToInt(cycle)
 		);
 	}
@@ -174,11 +174,11 @@ public class CopyPass
 		AssertBufferBoundsCheck(destination.Size, copyParams.DstOffset, copyParams.Size);
 #endif
 
-		SDL_Gpu.SDL_GpuCopyBufferToBuffer(
+		Refresh.Refresh_CopyBufferToBuffer(
 			Handle,
 			source.Handle,
 			destination.Handle,
-			copyParams.ToSDL(),
+			copyParams.ToRefresh(),
 			Conversions.BoolToInt(cycle)
 		);
 	}

src/Graphics/Font/TextBatch.cs

@@ -35,7 +35,7 @@ namespace MoonWorks.Graphics.Font
 			VertexBuffer = GpuBuffer.Create<Vertex>(GraphicsDevice, BufferUsageFlags.Vertex, INITIAL_VERTEX_COUNT);
 			IndexBuffer = GpuBuffer.Create<uint>(GraphicsDevice, BufferUsageFlags.Index, INITIAL_INDEX_COUNT);
 
-			TransferBuffer = TransferBuffer.Create<byte>(GraphicsDevice, TransferUsage.Buffer, VertexBuffer.Size + IndexBuffer.Size);
+			TransferBuffer = TransferBuffer.Create<byte>(GraphicsDevice, TransferUsage.Buffer, TransferBufferMapFlags.Write, VertexBuffer.Size + IndexBuffer.Size);
 		}
 
 		// Call this to initialize or reset the batch.
@@ -119,35 +119,35 @@ namespace MoonWorks.Graphics.Font
 			if (newTransferBufferNeeded)
 			{
 				TransferBuffer.Dispose();
-				TransferBuffer = new TransferBuffer(GraphicsDevice, TransferUsage.Buffer, VertexBuffer.Size + IndexBuffer.Size);
+				TransferBuffer = new TransferBuffer(GraphicsDevice, TransferUsage.Buffer, TransferBufferMapFlags.Write, VertexBuffer.Size + IndexBuffer.Size);
 			}
 
 			if (vertexDataLengthInBytes > 0 && indexDataLengthInBytes > 0)
 			{
-				TransferBuffer.SetData(vertexSpan, TransferOptions.Cycle);
-				TransferBuffer.SetData(indexSpan, (uint) vertexSpan.Length, TransferOptions.Unsafe);
+				TransferBuffer.SetData(vertexSpan, true);
+				TransferBuffer.SetData(indexSpan, (uint) vertexSpan.Length, false);
 
-				commandBuffer.BeginCopyPass();
-				commandBuffer.UploadToBuffer(TransferBuffer, VertexBuffer, new BufferCopy(0, 0, (uint) vertexSpan.Length), WriteOptions.Cycle);
-				commandBuffer.UploadToBuffer(TransferBuffer, IndexBuffer, new BufferCopy((uint) vertexSpan.Length, 0, (uint) indexSpan.Length), WriteOptions.Cycle);
-				commandBuffer.EndCopyPass();
+				var copyPass = commandBuffer.BeginCopyPass();
+				copyPass.UploadToBuffer(TransferBuffer, VertexBuffer, new BufferCopy(0, 0, (uint) vertexSpan.Length), true);
+				copyPass.UploadToBuffer(TransferBuffer, IndexBuffer, new BufferCopy((uint) vertexSpan.Length, 0, (uint) indexSpan.Length), true);
+				commandBuffer.EndCopyPass(copyPass);
 			}
 
 			PrimitiveCount = vertexCount / 2;
 		}
 
 		// Call this AFTER binding your text pipeline!
-		public void Render(CommandBuffer commandBuffer, Math.Float.Matrix4x4 transformMatrix)
+		public void Render(RenderPass renderPass, Math.Float.Matrix4x4 transformMatrix)
 		{
-			commandBuffer.BindFragmentSamplers(new TextureSamplerBinding(
+			renderPass.BindFragmentSamplers(new TextureSamplerBinding(
 				CurrentFont.Texture,
 				GraphicsDevice.LinearSampler
 			));
-			commandBuffer.BindVertexBuffers(VertexBuffer);
-			commandBuffer.BindIndexBuffer(IndexBuffer, IndexElementSize.ThirtyTwo);
-			commandBuffer.PushVertexShaderUniforms(transformMatrix);
-			commandBuffer.PushFragmentShaderUniforms(CurrentFont.DistanceRange);
-			commandBuffer.DrawIndexedPrimitives(
+			renderPass.BindVertexBuffer(VertexBuffer);
+			renderPass.BindIndexBuffer(IndexBuffer, IndexElementSize.ThirtyTwo);
+			renderPass.PushVertexUniformData(transformMatrix);
+			renderPass.PushFragmentUniformData(CurrentFont.DistanceRange);
+			renderPass.DrawIndexedPrimitives(
 				0,
 				0,
 				PrimitiveCount

src/Graphics/GraphicsDevice.cs

@@ -3,8 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Runtime.InteropServices;
 using MoonWorks.Video;
-using SDL2;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -17,9 +16,6 @@ namespace MoonWorks.Graphics
 		public BackendFlags Backend { get; }
 		public bool DebugMode { get; }
 
-		private uint windowFlags;
-		public SDL2.SDL.SDL_WindowFlags WindowFlags => (SDL2.SDL.SDL_WindowFlags) windowFlags;
-
 		// Built-in video pipeline
 		internal GraphicsPipeline VideoPipeline { get; }
 
@@ -39,9 +35,9 @@ namespace MoonWorks.Graphics
 		private readonly HashSet<GCHandle> resources = new HashSet<GCHandle>();
 		private CommandBufferPool CommandBufferPool;
 		private FencePool FencePool;
-		internal RenderPassPool RenderPassPool;
-		internal ComputePassPool ComputePassPool;
-		internal CopyPassPool CopyPassPool;
+		internal RenderPassPool RenderPassPool = new RenderPassPool();
+		internal ComputePassPool ComputePassPool = new ComputePassPool();
+		internal CopyPassPool CopyPassPool = new CopyPassPool();
 
 		internal unsafe GraphicsDevice(
 			BackendFlags preferredBackends,
@@ -52,15 +48,15 @@ namespace MoonWorks.Graphics
 				throw new System.Exception("Could not set graphics backend!");
 			}
 
-			Handle = SDL_Gpu.SDL_GpuCreateDevice(
-				(SDL_Gpu.BackendFlags) preferredBackends,
+			Handle = Refresh.Refresh_CreateDevice(
+				(Refresh.BackendFlags) preferredBackends,
 				Conversions.BoolToByte(debugMode)
 			);
 
 			DebugMode = debugMode;
 			// TODO: check for CreateDevice fail
 
-			Backend = (BackendFlags) SDL_Gpu.SDL_GpuGetBackend(Handle);
+			Backend = (BackendFlags) Refresh.Refresh_GetBackend(Handle);
 
 			// Check for replacement stock shaders
 			string basePath = System.AppContext.BaseDirectory;
@@ -257,11 +253,11 @@ namespace MoonWorks.Graphics
 			}
 
 			var success = Conversions.IntToBool(
-				SDL_Gpu.SDL_GpuClaimWindow(
+				Refresh.Refresh_ClaimWindow(
 					Handle,
 					window.Handle,
-					(SDL_Gpu.SwapchainComposition) swapchainComposition,
-					(SDL_Gpu.PresentMode) presentMode
+					(Refresh.SwapchainComposition) swapchainComposition,
+					(Refresh.PresentMode) presentMode
 				)
 			);
 
@@ -287,7 +283,7 @@ namespace MoonWorks.Graphics
 		{
 			if (window.Claimed)
 			{
-				SDL_Gpu.SDL_GpuUnclaimWindow(
+				Refresh.Refresh_UnclaimWindow(
 					Handle,
 					window.Handle
 				);
@@ -316,11 +312,11 @@ namespace MoonWorks.Graphics
 				return;
 			}
 
-			SDL_Gpu.SDL_GpuSetSwapchainParameters(
+			Refresh.Refresh_SetSwapchainParameters(
 				Handle,
 				window.Handle,
-				(SDL_Gpu.SwapchainComposition) swapchainComposition,
-				(SDL_Gpu.PresentMode) presentMode
+				(Refresh.SwapchainComposition) swapchainComposition,
+				(Refresh.PresentMode) presentMode
 			);
 		}
 
@@ -332,7 +328,7 @@ namespace MoonWorks.Graphics
 		public CommandBuffer AcquireCommandBuffer()
 		{
 			var commandBuffer = CommandBufferPool.Obtain();
-			commandBuffer.SetHandle(SDL_Gpu.SDL_GpuAcquireCommandBuffer(Handle));
+			commandBuffer.SetHandle(Refresh.Refresh_AcquireCommandBuffer(Handle));
 #if DEBUG
 			commandBuffer.ResetStateTracking();
 #endif
@@ -351,7 +347,7 @@ namespace MoonWorks.Graphics
 			}
 #endif
 
-			SDL_Gpu.SDL_GpuSubmit(
+			Refresh.Refresh_Submit(
 				commandBuffer.Handle
 			);
 
@@ -368,7 +364,7 @@ namespace MoonWorks.Graphics
 		/// <returns></returns>
 		public Fence SubmitAndAcquireFence(CommandBuffer commandBuffer)
 		{
-			var fenceHandle = SDL_Gpu.SDL_GpuSubmitAndAcquireFence(
+			var fenceHandle = Refresh.Refresh_SubmitAndAcquireFence(
 				commandBuffer.Handle
 			);
 
@@ -383,7 +379,7 @@ namespace MoonWorks.Graphics
 		/// </summary>
 		public void Wait()
 		{
-			SDL_Gpu.SDL_GpuWait(Handle);
+			Refresh.Refresh_Wait(Handle);
 		}
 
 		/// <summary>
@@ -393,7 +389,7 @@ namespace MoonWorks.Graphics
 		{
 			var fenceHandle = fence.Handle;
 
-			SDL_Gpu.SDL_GpuWaitForFences(
+			Refresh.Refresh_WaitForFences(
 				Handle,
 				1,
 				1,
@@ -414,7 +410,7 @@ namespace MoonWorks.Graphics
 			handlePtr[0] = fenceOne.Handle;
 			handlePtr[1] = fenceTwo.Handle;
 
-			SDL_Gpu.SDL_GpuWaitForFences(
+			Refresh.Refresh_WaitForFences(
 				Handle,
 				Conversions.BoolToInt(waitAll),
 				2,
@@ -437,7 +433,7 @@ namespace MoonWorks.Graphics
 			handlePtr[1] = fenceTwo.Handle;
 			handlePtr[2] = fenceThree.Handle;
 
-			SDL_Gpu.SDL_GpuWaitForFences(
+			Refresh.Refresh_WaitForFences(
 				Handle,
 				Conversions.BoolToInt(waitAll),
 				3,
@@ -462,7 +458,7 @@ namespace MoonWorks.Graphics
 			handlePtr[2] = fenceThree.Handle;
 			handlePtr[3] = fenceFour.Handle;
 
-			SDL_Gpu.SDL_GpuWaitForFences(
+			Refresh.Refresh_WaitForFences(
 				Handle,
 				Conversions.BoolToInt(waitAll),
 				4,
@@ -483,7 +479,7 @@ namespace MoonWorks.Graphics
 				handlePtr[i] = fences[i].Handle;
 			}
 
-			SDL_Gpu.SDL_GpuWaitForFences(
+			Refresh.Refresh_WaitForFences(
 				Handle,
 				Conversions.BoolToInt(waitAll),
 				4,
@@ -497,7 +493,7 @@ namespace MoonWorks.Graphics
 		/// <exception cref="InvalidOperationException">Throws if the fence query indicates that the graphics device has been lost.</exception>
 		public bool QueryFence(Fence fence)
 		{
-			var result = SDL_Gpu.SDL_GpuQueryFence(Handle, fence.Handle);
+			var result = Refresh.Refresh_QueryFence(Handle, fence.Handle);
 
 			if (result < 0)
 			{
@@ -512,7 +508,7 @@ namespace MoonWorks.Graphics
 		/// </summary>
 		public void ReleaseFence(Fence fence)
 		{
-			SDL_Gpu.SDL_GpuReleaseFence(Handle, fence.Handle);
+			Refresh.Refresh_ReleaseFence(Handle, fence.Handle);
 			fence.Handle = IntPtr.Zero;
 			FencePool.Return(fence);
 		}
@@ -524,7 +520,7 @@ namespace MoonWorks.Graphics
 				throw new System.ArgumentException("Cannot get swapchain format of unclaimed window!");
 			}
 
-			return (TextureFormat) SDL_Gpu.SDL_GpuGetSwapchainTextureFormat(Handle, window.Handle);
+			return (TextureFormat) Refresh.Refresh_GetSwapchainTextureFormat(Handle, window.Handle);
 		}
 
 		internal void AddResourceReference(GCHandle resourceReference)
@@ -572,7 +568,7 @@ namespace MoonWorks.Graphics
 					}
 				}
 
-				SDL_Gpu.SDL_GpuDestroyDevice(Handle);
+				Refresh.Refresh_DestroyDevice(Handle);
 
 				IsDisposed = true;
 			}

src/Graphics/ImageUtils.cs

@@ -23,7 +23,7 @@ namespace MoonWorks.Graphics
 			{
 				var pixelData =
 					Refresh.Refresh_Image_Load(
-					(nint) ptr,
+					ptr,
 					data.Length,
 					out var w,
 					out var h,
@@ -34,7 +34,7 @@ namespace MoonWorks.Graphics
 				height = (uint) h;
 				sizeInBytes = (uint) len;
 
-				return pixelData;
+				return (nint) pixelData;
 			}
 		}
 
@@ -89,7 +89,7 @@ namespace MoonWorks.Graphics
 			{
 				var result =
 					Refresh.Refresh_Image_Info(
-					(nint) ptr,
+					ptr,
 					data.Length,
 					out var w,
 					out var h,
@@ -100,7 +100,7 @@ namespace MoonWorks.Graphics
 				height = (uint) h;
 				sizeInBytes = (uint) len;
 
-				return Conversions.ByteToBool(result);
+				return Conversions.IntToBool(result);
 			}
 		}
 
@@ -141,9 +141,9 @@ namespace MoonWorks.Graphics
 		/// <summary>
 		/// Frees pixel data obtained from GetPixelData methods.
 		/// </summary>
-		public static void FreePixelData(IntPtr pixels)
+		public unsafe static void FreePixelData(IntPtr pixels)
 		{
-			Refresh.Refresh_Image_Free(pixels);
+			Refresh.Refresh_Image_Free((byte*) pixels);
 		}
 
 		/// <summary>
@@ -159,7 +159,7 @@ namespace MoonWorks.Graphics
 		) {
 			var sizeInBytes = width * height * 4;
 
-			var pixelsPtr = NativeMemory.Alloc((nuint) sizeInBytes);
+			var pixelsPtr = (byte*) NativeMemory.Alloc((nuint) sizeInBytes);
 			var pixelsSpan = new Span<byte>(pixelsPtr, sizeInBytes);
 
 			transferBuffer.GetData(pixelsSpan, bufferOffsetInBytes);
@@ -167,7 +167,7 @@ namespace MoonWorks.Graphics
 			if (bgra)
 			{
 				// if data is bgra, we have to swap the R and B channels
-				var rgbaPtr = NativeMemory.Alloc((nuint) sizeInBytes);
+				var rgbaPtr = (byte*) NativeMemory.Alloc((nuint) sizeInBytes);
 				var rgbaSpan = new Span<byte>(rgbaPtr, sizeInBytes);
 
 				for (var i = 0; i < sizeInBytes; i += 4)
@@ -182,7 +182,7 @@ namespace MoonWorks.Graphics
 				pixelsPtr = rgbaPtr;
 			}
 
-			Refresh.Refresh_Image_SavePNG(path, (nint) pixelsPtr, width, height);
+			Refresh.Refresh_Image_SavePNG(path, pixelsPtr, width, height);
 			NativeMemory.Free(pixelsPtr);
 		}
 

src/Graphics/RefreshResource.cs

@@ -3,14 +3,14 @@ using System.Threading;
 
 namespace MoonWorks.Graphics;
 
-public abstract class SDL_GpuResource : GraphicsResource
+public abstract class RefreshResource : GraphicsResource
 {
 	public IntPtr Handle { get => handle; internal set => handle = value; }
 	private IntPtr handle;
 
 	protected abstract Action<IntPtr, IntPtr> ReleaseFunction { get; }
 
-	protected SDL_GpuResource(GraphicsDevice device) : base(device)
+	protected RefreshResource(GraphicsDevice device) : base(device)
 	{
 	}
 

src/Graphics/RefreshTypes.cs

@@ -1,10 +1,10 @@
 using System;
 using System.Runtime.InteropServices;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
-// Recreate certain types in here so we can hide the SDL_GpuCS namespace
+// Recreate certain types in here so we can hide the Refresh namespace
 
 public enum PrimitiveType
 {
@@ -334,9 +334,9 @@ public struct DepthStencilValue
 	}
 
 	// FIXME: can we do an unsafe cast somehow?
-	public SDL_Gpu.DepthStencilValue ToSDL()
+	public Refresh.DepthStencilValue ToRefresh()
 	{
-		return new SDL_Gpu.DepthStencilValue
+		return new Refresh.DepthStencilValue
 		{
 			Depth = Depth,
 			Stencil = Stencil
@@ -369,9 +369,9 @@ public struct Rect
 	}
 
 	// FIXME: can we do an unsafe cast somehow?
-	public SDL_Gpu.Rect ToSDL()
+	public Refresh.Rect ToRefresh()
 	{
-		return new SDL_Gpu.Rect
+		return new Refresh.Rect
 		{
 			X = X,
 			Y = Y,
@@ -421,9 +421,9 @@ public struct Viewport
 		MaxDepth = maxDepth;
 	}
 
-	public SDL_Gpu.Viewport ToSDL()
+	public Refresh.Viewport ToRefresh()
 	{
-		return new SDL_Gpu.Viewport
+		return new Refresh.Viewport
 		{
 			X = X,
 			Y = Y,
@@ -452,13 +452,13 @@ public struct VertexBinding
 		};
 	}
 
-	public SDL_Gpu.VertexBinding ToSDL()
+	public Refresh.VertexBinding ToRefresh()
 	{
-		return new SDL_Gpu.VertexBinding
+		return new Refresh.VertexBinding
 		{
 			Binding = Binding,
 			Stride = Stride,
-			InputRate = (SDL_Gpu.VertexInputRate) InputRate
+			InputRate = (Refresh.VertexInputRate) InputRate
 		};
 	}
 }
@@ -471,13 +471,13 @@ public struct VertexAttribute
 	public VertexElementFormat Format;
 	public uint Offset;
 
-	public SDL_Gpu.VertexAttribute ToSDL()
+	public Refresh.VertexAttribute ToRefresh()
 	{
-		return new SDL_Gpu.VertexAttribute
+		return new Refresh.VertexAttribute
 		{
 			Location = Location,
 			Binding = Binding,
-			Format = (SDL_Gpu.VertexElementFormat) Format,
+			Format = (Refresh.VertexElementFormat) Format,
 			Offset = Offset
 		};
 	}
@@ -491,14 +491,14 @@ public struct StencilOpState
 	public StencilOp DepthFailOp;
 	public CompareOp CompareOp;
 
-	public SDL_Gpu.StencilOpState ToSDL()
+	public Refresh.StencilOpState ToRefresh()
 	{
-		return new SDL_Gpu.StencilOpState
+		return new Refresh.StencilOpState
 		{
-			FailOp = (SDL_Gpu.StencilOp) FailOp,
-			PassOp = (SDL_Gpu.StencilOp) PassOp,
-			DepthFailOp = (SDL_Gpu.StencilOp) DepthFailOp,
-			CompareOp = (SDL_Gpu.CompareOp) CompareOp
+			FailOp = (Refresh.StencilOp) FailOp,
+			PassOp = (Refresh.StencilOp) PassOp,
+			DepthFailOp = (Refresh.StencilOp) DepthFailOp,
+			CompareOp = (Refresh.CompareOp) CompareOp
 		};
 	}
 }
@@ -574,20 +574,20 @@ public struct ColorAttachmentInfo
 		Cycle = cycle;
 	}
 
-	public SDL_Gpu.ColorAttachmentInfo ToSDL()
+	public Refresh.ColorAttachmentInfo ToRefresh()
 	{
-		return new SDL_Gpu.ColorAttachmentInfo
+		return new Refresh.ColorAttachmentInfo
 		{
-			TextureSlice = TextureSlice.ToSDL(),
-			ClearColor = new SDL_Gpu.Color
+			TextureSlice = TextureSlice.ToRefresh(),
+			ClearColor = new Refresh.Color
 			{
 				R = ClearColor.R / 255f,
 				G = ClearColor.G / 255f,
 				B = ClearColor.B / 255f,
 				A = ClearColor.A / 255f
 			},
-			LoadOp = (SDL_Gpu.LoadOp) LoadOp,
-			StoreOp = (SDL_Gpu.StoreOp) StoreOp,
+			LoadOp = (Refresh.LoadOp) LoadOp,
+			StoreOp = (Refresh.StoreOp) StoreOp,
 			Cycle = Conversions.BoolToInt(Cycle)
 		};
 	}
@@ -720,16 +720,16 @@ public struct DepthStencilAttachmentInfo
 		Cycle = cycle;
 	}
 
-	public SDL_Gpu.DepthStencilAttachmentInfo ToSDL()
+	public Refresh.DepthStencilAttachmentInfo ToRefresh()
 	{
-		return new SDL_Gpu.DepthStencilAttachmentInfo
+		return new Refresh.DepthStencilAttachmentInfo
 		{
-			TextureSlice = TextureSlice.ToSDL(),
-			DepthStencilClearValue = DepthStencilClearValue.ToSDL(),
-			LoadOp = (SDL_Gpu.LoadOp) LoadOp,
-			StoreOp = (SDL_Gpu.StoreOp) StoreOp,
-			StencilLoadOp = (SDL_Gpu.LoadOp) StencilLoadOp,
-			StencilStoreOp = (SDL_Gpu.StoreOp) StencilStoreOp,
+			TextureSlice = TextureSlice.ToRefresh(),
+			DepthStencilClearValue = DepthStencilClearValue.ToRefresh(),
+			LoadOp = (Refresh.LoadOp) LoadOp,
+			StoreOp = (Refresh.StoreOp) StoreOp,
+			StencilLoadOp = (Refresh.LoadOp) StencilLoadOp,
+			StencilStoreOp = (Refresh.StoreOp) StencilStoreOp,
 			Cycle = Conversions.BoolToInt(Cycle)
 		};
 	}
@@ -788,9 +788,9 @@ public struct BufferCopy
 		Size = size;
 	}
 
-	public SDL_Gpu.BufferCopy ToSDL()
+	public Refresh.BufferCopy ToRefresh()
 	{
-		return new SDL_Gpu.BufferCopy
+		return new Refresh.BufferCopy
 		{
 			SourceOffset = SrcOffset,
 			DestinationOffset = DstOffset,
@@ -811,9 +811,9 @@ public readonly record struct BufferImageCopy(
 	uint BufferStride,
 	uint BufferImageHeight
 ) {
-	public SDL_Gpu.BufferImageCopy ToSDL()
+	public Refresh.BufferImageCopy ToRefresh()
 	{
-		return new SDL_Gpu.BufferImageCopy
+		return new Refresh.BufferImageCopy
 		{
 			BufferOffset = BufferOffset,
 			BufferStride = BufferStride,
@@ -828,9 +828,9 @@ public readonly record struct GraphicsPipelineResourceInfo(
 	uint StorageTextureCount,
 	uint UniformBufferCount
 ) {
-	public SDL_Gpu.GraphicsPipelineResourceInfo ToSDL()
+	public Refresh.GraphicsPipelineResourceInfo ToRefresh()
 	{
-		return new SDL_Gpu.GraphicsPipelineResourceInfo
+		return new Refresh.GraphicsPipelineResourceInfo
 		{
 			SamplerCount = SamplerCount,
 			StorageBufferCount = StorageBufferCount,
@@ -847,9 +847,9 @@ public readonly record struct ComputePipelineResourceInfo(
 	uint ReadWriteStorageBufferCount,
 	uint UniformBufferCount
 ) {
-	public SDL_Gpu.ComputePipelineResourceInfo ToSDL()
+	public Refresh.ComputePipelineResourceInfo ToRefresh()
 	{
-		return new SDL_Gpu.ComputePipelineResourceInfo
+		return new Refresh.ComputePipelineResourceInfo
 		{
 			ReadOnlyStorageTextureCount = ReadOnlyStorageTextureCount,
 			ReadOnlyStorageBufferCount = ReadOnlyStorageBufferCount,
@@ -867,9 +867,9 @@ public readonly record struct BufferBinding(
 	GpuBuffer Buffer,
 	uint Offset
 ) {
-	public SDL_Gpu.BufferBinding ToSDL()
+	public Refresh.BufferBinding ToRefresh()
 	{
-		return new SDL_Gpu.BufferBinding
+		return new Refresh.BufferBinding
 		{
 			Buffer = Buffer.Handle,
 			Offset = Offset
@@ -884,9 +884,9 @@ public readonly record struct TextureSamplerBinding(
 	Texture Texture,
 	Sampler Sampler
 ) {
-	public SDL_Gpu.TextureSamplerBinding ToSDL()
+	public Refresh.TextureSamplerBinding ToRefresh()
 	{
-		return new SDL_Gpu.TextureSamplerBinding
+		return new Refresh.TextureSamplerBinding
 		{
 			Texture = Texture.Handle,
 			Sampler = Sampler.Handle
@@ -898,9 +898,9 @@ public readonly record struct StorageBufferReadWriteBinding(
 	GpuBuffer Buffer,
 	bool cycle
 ) {
-	public SDL_Gpu.StorageBufferReadWriteBinding ToSDL()
+	public Refresh.StorageBufferReadWriteBinding ToRefresh()
 	{
-		return new SDL_Gpu.StorageBufferReadWriteBinding
+		return new Refresh.StorageBufferReadWriteBinding
 		{
 			Buffer = Buffer.Handle,
 			Cycle = Conversions.BoolToInt(cycle)
@@ -912,11 +912,11 @@ public readonly record struct StorageTextureReadWriteBinding(
 	in TextureSlice TextureSlice,
 	bool cycle
 ) {
-	public SDL_Gpu.StorageTextureReadWriteBinding ToSDL()
+	public Refresh.StorageTextureReadWriteBinding ToRefresh()
 	{
-		return new SDL_Gpu.StorageTextureReadWriteBinding
+		return new Refresh.StorageTextureReadWriteBinding
 		{
-			TextureSlice = TextureSlice.ToSDL(),
+			TextureSlice = TextureSlice.ToRefresh(),
 			Cycle = Conversions.BoolToInt(cycle)
 		};
 	}

src/Graphics/RenderPass.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Runtime.InteropServices;
-using SDL2_gpuCS;
+using RefreshCS;
 namespace MoonWorks.Graphics;
 
 /// <summary>
@@ -59,7 +59,7 @@ public class RenderPass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuBindGraphicsPipeline(
+		Refresh.Refresh_BindGraphicsPipeline(
 			Handle,
 			graphicsPipeline.Handle
 		);
@@ -78,9 +78,9 @@ public class RenderPass
 		AssertRenderPassActive();
 #endif
 
-		SDL_Gpu.SDL_GpuSetViewport(
+		Refresh.Refresh_SetViewport(
 			Handle,
-			viewport.ToSDL()
+			viewport.ToRefresh()
 		);
 	}
 
@@ -98,9 +98,9 @@ public class RenderPass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuSetScissor(
+		Refresh.Refresh_SetScissor(
 			Handle,
-			scissor.ToSDL()
+			scissor.ToRefresh()
 		);
 	}
 
@@ -117,9 +117,9 @@ public class RenderPass
 		AssertGraphicsPipelineBound();
 #endif
 
-		var sdlBufferBinding = bufferBinding.ToSDL();
+		var sdlBufferBinding = bufferBinding.ToRefresh();
 
-		SDL_Gpu.SDL_GpuBindVertexBuffers(
+		Refresh.Refresh_BindVertexBuffers(
 			Handle,
 			firstBinding,
 			&sdlBufferBinding,
@@ -142,10 +142,10 @@ public class RenderPass
 		AssertGraphicsPipelineBound();
 #endif
 
-		SDL_Gpu.SDL_GpuBindIndexBuffer(
+		Refresh.Refresh_BindIndexBuffer(
 			Handle,
-			bufferBinding.ToSDL(),
-			(SDL_Gpu.IndexElementSize) indexElementSize
+			bufferBinding.ToRefresh(),
+			(Refresh.IndexElementSize) indexElementSize
 		);
 	}
 
@@ -163,9 +163,9 @@ public class RenderPass
 		AssertTextureHasSamplerFlag(textureSamplerBinding.Texture);
 #endif
 
-		var sdlTextureSamplerBinding = textureSamplerBinding.ToSDL();
+		var sdlTextureSamplerBinding = textureSamplerBinding.ToRefresh();
 
-		SDL_Gpu.SDL_GpuBindVertexSamplers(
+		Refresh.Refresh_BindVertexSamplers(
 			Handle,
 			slot,
 			&sdlTextureSamplerBinding,
@@ -183,9 +183,9 @@ public class RenderPass
 		AssertTextureHasGraphicsStorageFlag(textureSlice.Texture);
 #endif
 
-		var sdlTextureSlice = textureSlice.ToSDL();
+		var sdlTextureSlice = textureSlice.ToRefresh();
 
-		SDL_Gpu.SDL_GpuBindVertexStorageTextures(
+		Refresh.Refresh_BindVertexStorageTextures(
 			Handle,
 			slot,
 			&sdlTextureSlice,
@@ -205,7 +205,7 @@ public class RenderPass
 
 		var bufferHandle = buffer.Handle;
 
-		SDL_Gpu.SDL_GpuBindVertexStorageBuffers(
+		Refresh.Refresh_BindVertexStorageBuffers(
 			Handle,
 			slot,
 			&bufferHandle,
@@ -223,9 +223,9 @@ public class RenderPass
 		AssertTextureHasSamplerFlag(textureSamplerBinding.Texture);
 #endif
 
-		var sdlTextureSamplerBinding = textureSamplerBinding.ToSDL();
+		var sdlTextureSamplerBinding = textureSamplerBinding.ToRefresh();
 
-		SDL_Gpu.SDL_GpuBindFragmentSamplers(
+		Refresh.Refresh_BindFragmentSamplers(
 			Handle,
 			slot,
 			&sdlTextureSamplerBinding,
@@ -243,9 +243,9 @@ public class RenderPass
 		AssertTextureHasGraphicsStorageFlag(textureSlice.Texture);
 #endif
 
-		var sdlTextureSlice = textureSlice.ToSDL();
+		var sdlTextureSlice = textureSlice.ToRefresh();
 
-		SDL_Gpu.SDL_GpuBindFragmentStorageTextures(
+		Refresh.Refresh_BindFragmentStorageTextures(
 			Handle,
 			slot,
 			&sdlTextureSlice,
@@ -265,7 +265,7 @@ public class RenderPass
 
 		var bufferHandle = buffer.Handle;
 
-		SDL_Gpu.SDL_GpuBindFragmentStorageBuffers(
+		Refresh.Refresh_BindFragmentStorageBuffers(
 			Handle,
 			slot,
 			&bufferHandle,
@@ -287,7 +287,7 @@ public class RenderPass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuPushVertexUniformData(
+		Refresh.Refresh_PushVertexUniformData(
 			Handle,
 			slot,
 			(nint) uniformsPtr,
@@ -320,7 +320,7 @@ public class RenderPass
 		}
 #endif
 
-		SDL_Gpu.SDL_GpuPushFragmentUniformData(
+		Refresh.Refresh_PushFragmentUniformData(
 			Handle,
 			slot,
 			(nint) uniformsPtr,
@@ -356,7 +356,7 @@ public class RenderPass
 		AssertGraphicsPipelineBound();
 #endif
 
-		SDL_Gpu.SDL_GpuDrawIndexedPrimitives(
+		Refresh.Refresh_DrawIndexedPrimitives(
 			Handle,
 			baseVertex,
 			startIndex,
@@ -380,7 +380,7 @@ public class RenderPass
 		AssertGraphicsPipelineBound();
 #endif
 
-		SDL_Gpu.SDL_GpuDrawPrimitives(
+		Refresh.Refresh_DrawPrimitives(
 			Handle,
 			vertexStart,
 			primitiveCount
@@ -405,7 +405,7 @@ public class RenderPass
 		AssertGraphicsPipelineBound();
 #endif
 
-		SDL_Gpu.SDL_GpuDrawPrimitivesIndirect(
+		Refresh.Refresh_DrawPrimitivesIndirect(
 			Handle,
 			buffer.Handle,
 			offsetInBytes,
@@ -432,7 +432,7 @@ public class RenderPass
 		AssertGraphicsPipelineBound();
 #endif
 
-		SDL_Gpu.SDL_GpuDrawIndexedPrimitivesIndirect(
+		Refresh.Refresh_DrawIndexedPrimitivesIndirect(
 			Handle,
 			buffer.Handle,
 			offsetInBytes,

src/Graphics/Resources/ComputePipeline.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 using System;
 
 namespace MoonWorks.Graphics
@@ -6,9 +6,9 @@ namespace MoonWorks.Graphics
 	/// <summary>
 	/// Compute pipelines perform arbitrary parallel processing on input data.
 	/// </summary>
-	public class ComputePipeline : SDL_GpuResource
+	public class ComputePipeline : RefreshResource
 	{
-		protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseComputePipeline;
+		protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseComputePipeline;
 
 		public ComputePipelineResourceInfo ResourceInfo { get; }
 
@@ -18,13 +18,13 @@ namespace MoonWorks.Graphics
 			ComputePipelineResourceInfo resourceInfo
 		) : base(device)
 		{
-			var sdlComputePipelineCreateInfo = new SDL_Gpu.ComputePipelineCreateInfo
+			var sdlComputePipelineCreateInfo = new Refresh.ComputePipelineCreateInfo
 			{
 				ComputeShader = computeShader.Handle,
-				PipelineResourceInfo = resourceInfo.ToSDL()
+				PipelineResourceInfo = resourceInfo.ToRefresh()
 			};
 
-			Handle = SDL_Gpu.SDL_GpuCreateComputePipeline(
+			Handle = Refresh.Refresh_CreateComputePipeline(
 				device.Handle,
 				sdlComputePipelineCreateInfo
 			);

src/Graphics/Resources/Fence.cs

@@ -1,5 +1,5 @@
 using System;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
@@ -10,9 +10,9 @@ namespace MoonWorks.Graphics;
 /// The Fence object itself is basically just a wrapper for the Refresh_Fence. <br/>
 /// The internal handle is replaced so that we can pool Fence objects to manage garbage.
 /// </summary>
-public class Fence : SDL_GpuResource
+public class Fence : RefreshResource
 {
-	protected override Action<nint, nint> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseFence;
+	protected override Action<nint, nint> ReleaseFunction => Refresh.Refresh_ReleaseFence;
 
 	internal Fence(GraphicsDevice device) : base(device)
 	{

src/Graphics/Resources/GpuBuffer.cs

@@ -1,15 +1,15 @@
 using System;
 using System.Runtime.InteropServices;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
 /// <summary>
 /// GpuBuffers are generic data containers that can be used by the GPU.
 /// </summary>
-public class GpuBuffer : SDL_GpuResource
+public class GpuBuffer : RefreshResource
 {
-	protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseBuffer;
+	protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseBuffer;
 
 	public BufferUsageFlags UsageFlags { get; }
 
@@ -27,7 +27,7 @@ public class GpuBuffer : SDL_GpuResource
 		{
 			if (Device.DebugMode)
 			{
-				SDL_Gpu.SDL_GpuSetBufferName(
+				Refresh.Refresh_SetBufferName(
 					Device.Handle,
 					Handle,
 					value
@@ -71,9 +71,9 @@ public class GpuBuffer : SDL_GpuResource
 		uint sizeInBytes
 	) : base(device)
 	{
-		Handle = SDL_Gpu.SDL_GpuCreateBuffer(
+		Handle = Refresh.Refresh_CreateBuffer(
 			device.Handle,
-			(SDL_Gpu.BufferUsageFlags) usageFlags,
+			(Refresh.BufferUsageFlags) usageFlags,
 			sizeInBytes
 		);
 		UsageFlags = usageFlags;

src/Graphics/Resources/GraphicsPipeline.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Runtime.InteropServices;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -8,9 +8,9 @@ namespace MoonWorks.Graphics
 	/// Graphics pipelines encapsulate all of the render state in a single object. <br/>
 	/// These pipelines are bound before draw calls are issued.
 	/// </summary>
-	public class GraphicsPipeline : SDL_GpuResource
+	public class GraphicsPipeline : RefreshResource
 	{
-		protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseGraphicsPipeline;
+		protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseGraphicsPipeline;
 
 		public GraphicsPipelineResourceInfo VertexShaderResourceInfo { get; }
 		public GraphicsPipelineResourceInfo FragmentShaderResourceInfo { get; }
@@ -25,34 +25,34 @@ namespace MoonWorks.Graphics
 			in GraphicsPipelineCreateInfo graphicsPipelineCreateInfo
 		) : base(device)
 		{
-			SDL_Gpu.GraphicsPipelineCreateInfo sdlGraphicsPipelineCreateInfo;
+			Refresh.GraphicsPipelineCreateInfo sdlGraphicsPipelineCreateInfo;
 
-			var vertexAttributes = (SDL_Gpu.VertexAttribute*) NativeMemory.Alloc(
-				(nuint) (graphicsPipelineCreateInfo.VertexInputState.VertexAttributes.Length * Marshal.SizeOf<SDL_Gpu.VertexAttribute>())
+			var vertexAttributes = (Refresh.VertexAttribute*) NativeMemory.Alloc(
+				(nuint) (graphicsPipelineCreateInfo.VertexInputState.VertexAttributes.Length * Marshal.SizeOf<Refresh.VertexAttribute>())
 			);
 
 			for (var i = 0; i < graphicsPipelineCreateInfo.VertexInputState.VertexAttributes.Length; i += 1)
 			{
-				vertexAttributes[i] = graphicsPipelineCreateInfo.VertexInputState.VertexAttributes[i].ToSDL();
+				vertexAttributes[i] = graphicsPipelineCreateInfo.VertexInputState.VertexAttributes[i].ToRefresh();
 			}
 
-			var vertexBindings = (SDL_Gpu.VertexBinding*) NativeMemory.Alloc(
-				(nuint) (graphicsPipelineCreateInfo.VertexInputState.VertexBindings.Length * Marshal.SizeOf<SDL_Gpu.VertexBinding>())
+			var vertexBindings = (Refresh.VertexBinding*) NativeMemory.Alloc(
+				(nuint) (graphicsPipelineCreateInfo.VertexInputState.VertexBindings.Length * Marshal.SizeOf<Refresh.VertexBinding>())
 			);
 
 			for (var i = 0; i < graphicsPipelineCreateInfo.VertexInputState.VertexBindings.Length; i += 1)
 			{
-				vertexBindings[i] = graphicsPipelineCreateInfo.VertexInputState.VertexBindings[i].ToSDL();
+				vertexBindings[i] = graphicsPipelineCreateInfo.VertexInputState.VertexBindings[i].ToRefresh();
 			}
 
-			var colorAttachmentDescriptions = stackalloc SDL_Gpu.ColorAttachmentDescription[
+			var colorAttachmentDescriptions = stackalloc Refresh.ColorAttachmentDescription[
 				graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions.Length
 			];
 
 			for (var i = 0; i < graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions.Length; i += 1)
 			{
-				colorAttachmentDescriptions[i].Format = (SDL_Gpu.TextureFormat) graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions[i].Format;
-				colorAttachmentDescriptions[i].BlendState = graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions[i].BlendState.ToSDL();
+				colorAttachmentDescriptions[i].Format = (Refresh.TextureFormat) graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions[i].Format;
+				colorAttachmentDescriptions[i].BlendState = graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions[i].BlendState.ToRefresh();
 			}
 
 			sdlGraphicsPipelineCreateInfo.VertexShader = graphicsPipelineCreateInfo.VertexShader.Handle;
@@ -63,26 +63,26 @@ namespace MoonWorks.Graphics
 			sdlGraphicsPipelineCreateInfo.VertexInputState.VertexBindings = vertexBindings;
 			sdlGraphicsPipelineCreateInfo.VertexInputState.VertexBindingCount = (uint) graphicsPipelineCreateInfo.VertexInputState.VertexBindings.Length;
 
-			sdlGraphicsPipelineCreateInfo.PrimitiveType = (SDL_Gpu.PrimitiveType) graphicsPipelineCreateInfo.PrimitiveType;
+			sdlGraphicsPipelineCreateInfo.PrimitiveType = (Refresh.PrimitiveType) graphicsPipelineCreateInfo.PrimitiveType;
 
-			sdlGraphicsPipelineCreateInfo.RasterizerState = graphicsPipelineCreateInfo.RasterizerState.ToSDL();
-			sdlGraphicsPipelineCreateInfo.MultisampleState = graphicsPipelineCreateInfo.MultisampleState.ToSDL();
-			sdlGraphicsPipelineCreateInfo.DepthStencilState = graphicsPipelineCreateInfo.DepthStencilState.ToSDL();
+			sdlGraphicsPipelineCreateInfo.RasterizerState = graphicsPipelineCreateInfo.RasterizerState.ToRefresh();
+			sdlGraphicsPipelineCreateInfo.MultisampleState = graphicsPipelineCreateInfo.MultisampleState.ToRefresh();
+			sdlGraphicsPipelineCreateInfo.DepthStencilState = graphicsPipelineCreateInfo.DepthStencilState.ToRefresh();
 
 			sdlGraphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentCount = (uint) graphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions.Length;
 			sdlGraphicsPipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions = colorAttachmentDescriptions;
-			sdlGraphicsPipelineCreateInfo.AttachmentInfo.DepthStencilFormat = (SDL_Gpu.TextureFormat) graphicsPipelineCreateInfo.AttachmentInfo.DepthStencilFormat;
+			sdlGraphicsPipelineCreateInfo.AttachmentInfo.DepthStencilFormat = (Refresh.TextureFormat) graphicsPipelineCreateInfo.AttachmentInfo.DepthStencilFormat;
 			sdlGraphicsPipelineCreateInfo.AttachmentInfo.HasDepthStencilAttachment = Conversions.BoolToInt(graphicsPipelineCreateInfo.AttachmentInfo.HasDepthStencilAttachment);
 
-			sdlGraphicsPipelineCreateInfo.VertexResourceInfo = graphicsPipelineCreateInfo.VertexShaderResourceInfo.ToSDL();
-			sdlGraphicsPipelineCreateInfo.FragmentResourceInfo = graphicsPipelineCreateInfo.FragmentShaderResourceInfo.ToSDL();
+			sdlGraphicsPipelineCreateInfo.VertexResourceInfo = graphicsPipelineCreateInfo.VertexShaderResourceInfo.ToRefresh();
+			sdlGraphicsPipelineCreateInfo.FragmentResourceInfo = graphicsPipelineCreateInfo.FragmentShaderResourceInfo.ToRefresh();
 
 			sdlGraphicsPipelineCreateInfo.BlendConstants[0] = graphicsPipelineCreateInfo.BlendConstants.R;
 			sdlGraphicsPipelineCreateInfo.BlendConstants[1] = graphicsPipelineCreateInfo.BlendConstants.G;
 			sdlGraphicsPipelineCreateInfo.BlendConstants[2] = graphicsPipelineCreateInfo.BlendConstants.B;
 			sdlGraphicsPipelineCreateInfo.BlendConstants[3] = graphicsPipelineCreateInfo.BlendConstants.A;
 
-			Handle = SDL_Gpu.SDL_GpuCreateGraphicsPipeline(device.Handle, sdlGraphicsPipelineCreateInfo);
+			Handle = Refresh.Refresh_CreateGraphicsPipeline(device.Handle, sdlGraphicsPipelineCreateInfo);
 			if (Handle == IntPtr.Zero)
 			{
 				throw new Exception("Could not create graphics pipeline!");

src/Graphics/Resources/Sampler.cs

@@ -1,23 +1,23 @@
 using System;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
 /// <summary>
 /// A sampler specifies how a texture will be sampled in a shader.
 /// </summary>
-public class Sampler : SDL_GpuResource
+public class Sampler : RefreshResource
 {
-	protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseSampler;
+	protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseSampler;
 
 	public Sampler(
 		GraphicsDevice device,
 		in SamplerCreateInfo samplerCreateInfo
 	) : base(device)
 	{
-		Handle = SDL_Gpu.SDL_GpuCreateSampler(
+		Handle = Refresh.Refresh_CreateSampler(
 			device.Handle,
-			samplerCreateInfo.ToSDL()
+			samplerCreateInfo.ToRefresh()
 		);
 	}
 }

src/Graphics/Resources/Shader.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 using System;
 using System.IO;
 using System.Runtime.InteropServices;
@@ -8,9 +8,9 @@ namespace MoonWorks.Graphics
 	/// <summary>
 	/// Shader modules expect input in Refresh bytecode format.
 	/// </summary>
-	public class Shader : SDL_GpuResource
+	public class Shader : RefreshResource
 	{
-		protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseShader;
+		protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseShader;
 
 		public unsafe Shader(
 			GraphicsDevice device,
@@ -46,14 +46,14 @@ namespace MoonWorks.Graphics
 			var bytecodeSpan = new Span<byte>(bytecodeBuffer, (int) stream.Length);
 			stream.ReadExactly(bytecodeSpan);
 
-			SDL_Gpu.ShaderCreateInfo shaderCreateInfo;
+			Refresh.ShaderCreateInfo shaderCreateInfo;
 			shaderCreateInfo.CodeSize = (nuint) stream.Length;
 			shaderCreateInfo.Code = (byte*) bytecodeBuffer;
 			shaderCreateInfo.EntryPointName = entryPointName;
-			shaderCreateInfo.Stage = (SDL_Gpu.ShaderStage) shaderStage;
-			shaderCreateInfo.Format = (SDL_Gpu.ShaderFormat) shaderFormat;
+			shaderCreateInfo.Stage = (Refresh.ShaderStage) shaderStage;
+			shaderCreateInfo.Format = (Refresh.ShaderFormat) shaderFormat;
 
-			var shaderModule = SDL_Gpu.SDL_GpuCreateShader(
+			var shaderModule = Refresh.Refresh_CreateShader(
 				device.Handle,
 				shaderCreateInfo
 			);

src/Graphics/Resources/Texture.cs

@@ -1,13 +1,12 @@
 using System;
-using System.IO;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
 	/// <summary>
 	/// A container for pixel data.
 	/// </summary>
-	public class Texture : SDL_GpuResource
+	public class Texture : RefreshResource
 	{
 		public uint Width { get; internal set; }
 		public uint Height { get; internal set; }
@@ -29,7 +28,7 @@ namespace MoonWorks.Graphics
 			{
 				if (Device.DebugMode)
 				{
-					SDL_Gpu.SDL_GpuSetTextureName(
+					Refresh.Refresh_SetTextureName(
 						Device.Handle,
 						Handle,
 						value
@@ -41,7 +40,7 @@ namespace MoonWorks.Graphics
 		}
 
 		// FIXME: this allocates a delegate instance
-		protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseTexture;
+		protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseTexture;
 
 		/// <summary>
 		/// Creates a 2D texture.
@@ -179,9 +178,9 @@ namespace MoonWorks.Graphics
 			in TextureCreateInfo textureCreateInfo
 		) : base(device)
 		{
-			Handle = SDL_Gpu.SDL_GpuCreateTexture(
+			Handle = Refresh.Refresh_CreateTexture(
 				device.Handle,
-				textureCreateInfo.ToSDL()
+				textureCreateInfo.ToRefresh()
 			);
 
 			Format = textureCreateInfo.Format;

src/Graphics/Resources/TransferBuffer.cs

@@ -1,12 +1,12 @@
 using System;
 using System.Runtime.InteropServices;
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
-	public unsafe class TransferBuffer : SDL_GpuResource
+	public unsafe class TransferBuffer : RefreshResource
 	{
-		protected override Action<IntPtr, IntPtr> ReleaseFunction => SDL_Gpu.SDL_GpuReleaseTransferBuffer;
+		protected override Action<IntPtr, IntPtr> ReleaseFunction => Refresh.Refresh_ReleaseTransferBuffer;
 
 		/// <summary>
 		/// Size in bytes.
@@ -48,10 +48,10 @@ namespace MoonWorks.Graphics
 			uint sizeInBytes
 		) : base(device)
 		{
-			Handle = SDL_Gpu.SDL_GpuCreateTransferBuffer(
+			Handle = Refresh.Refresh_CreateTransferBuffer(
 				device.Handle,
-				(SDL_Gpu.TransferUsage) usage,
-				(SDL_Gpu.TransferBufferMapFlags) mapFlags,
+				(Refresh.TransferUsage) usage,
+				(Refresh.TransferBufferMapFlags) mapFlags,
 				sizeInBytes
 			);
 			Size = sizeInBytes;
@@ -82,11 +82,11 @@ namespace MoonWorks.Graphics
 
 			fixed (T* dataPtr = data)
 			{
-				SDL_Gpu.SDL_GpuSetTransferData(
+				Refresh.Refresh_SetTransferData(
 					Device.Handle,
 					(nint) dataPtr,
 					Handle,
-					new SDL_Gpu.BufferCopy
+					new Refresh.BufferCopy
 					{
 						SourceOffset = 0,
 						DestinationOffset = bufferOffsetInBytes,
@@ -134,11 +134,11 @@ namespace MoonWorks.Graphics
 
 			fixed (T* dataPtr = data)
 			{
-				SDL_Gpu.SDL_GpuGetTransferData(
+				Refresh.Refresh_GetTransferData(
 					Device.Handle,
 					Handle,
 					(nint) dataPtr,
-					new SDL_Gpu.BufferCopy
+					new Refresh.BufferCopy
 					{
 						SourceOffset = bufferOffsetInBytes,
 						DestinationOffset = 0,

src/Graphics/State/ColorAttachmentBlendState.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -106,18 +106,18 @@ namespace MoonWorks.Graphics
 			ColorWriteMask = ColorComponentFlags.None
 		};
 
-		public SDL_Gpu.ColorAttachmentBlendState ToSDL()
+		public Refresh.ColorAttachmentBlendState ToRefresh()
 		{
-			return new SDL_Gpu.ColorAttachmentBlendState
+			return new Refresh.ColorAttachmentBlendState
 			{
 				BlendEnable = Conversions.BoolToInt(BlendEnable),
-				AlphaBlendOp = (SDL_Gpu.BlendOp) AlphaBlendOp,
-				ColorBlendOp = (SDL_Gpu.BlendOp) ColorBlendOp,
-				ColorWriteMask = (SDL_Gpu.ColorComponentFlags) ColorWriteMask,
-				DestinationAlphaBlendFactor = (SDL_Gpu.BlendFactor) DestinationAlphaBlendFactor,
-				DestinationColorBlendFactor = (SDL_Gpu.BlendFactor) DestinationColorBlendFactor,
-				SourceAlphaBlendFactor = (SDL_Gpu.BlendFactor) SourceAlphaBlendFactor,
-				SourceColorBlendFactor = (SDL_Gpu.BlendFactor) SourceColorBlendFactor
+				AlphaBlendOp = (Refresh.BlendOp) AlphaBlendOp,
+				ColorBlendOp = (Refresh.BlendOp) ColorBlendOp,
+				ColorWriteMask = (Refresh.ColorComponentFlags) ColorWriteMask,
+				DestinationAlphaBlendFactor = (Refresh.BlendFactor) DestinationAlphaBlendFactor,
+				DestinationColorBlendFactor = (Refresh.BlendFactor) DestinationColorBlendFactor,
+				SourceAlphaBlendFactor = (Refresh.BlendFactor) SourceAlphaBlendFactor,
+				SourceColorBlendFactor = (Refresh.BlendFactor) SourceColorBlendFactor
 			};
 		}
 	}

src/Graphics/State/DepthStencilState.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -93,17 +93,17 @@ namespace MoonWorks.Graphics
 			StencilTestEnable = false
 		};
 
-		public SDL_Gpu.DepthStencilState ToSDL()
+		public Refresh.DepthStencilState ToRefresh()
 		{
-			return new SDL_Gpu.DepthStencilState
+			return new Refresh.DepthStencilState
 			{
 				DepthTestEnable = Conversions.BoolToInt(DepthTestEnable),
-				BackStencilState = BackStencilState.ToSDL(),
-				FrontStencilState = FrontStencilState.ToSDL(),
+				BackStencilState = BackStencilState.ToRefresh(),
+				FrontStencilState = FrontStencilState.ToRefresh(),
 				CompareMask = CompareMask,
 				WriteMask = WriteMask,
 				Reference = Reference,
-				CompareOp = (SDL_Gpu.CompareOp) CompareOp,
+				CompareOp = (Refresh.CompareOp) CompareOp,
 				DepthBoundsTestEnable = Conversions.BoolToInt(DepthBoundsTestEnable),
 				DepthWriteEnable = Conversions.BoolToInt(DepthWriteEnable),
 				MinDepthBounds = MinDepthBounds,

src/Graphics/State/MultisampleState.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -24,11 +24,11 @@ namespace MoonWorks.Graphics
 			SampleMask = sampleMask;
 		}
 
-		public SDL_Gpu.MultisampleState ToSDL()
+		public Refresh.MultisampleState ToRefresh()
 		{
-			return new SDL_Gpu.MultisampleState
+			return new Refresh.MultisampleState
 			{
-				MultisampleCount = (SDL_Gpu.SampleCount) MultisampleCount,
+				MultisampleCount = (Refresh.SampleCount) MultisampleCount,
 				SampleMask = SampleMask
 			};
 		}

src/Graphics/State/RasterizerState.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
@@ -106,17 +106,17 @@ public struct RasterizerState
 		DepthBiasEnable = false
 	};
 
-	public SDL_Gpu.RasterizerState ToSDL()
+	public Refresh.RasterizerState ToRefresh()
 	{
-		return new SDL_Gpu.RasterizerState
+		return new Refresh.RasterizerState
 		{
-			CullMode = (SDL_Gpu.CullMode) CullMode,
+			CullMode = (Refresh.CullMode) CullMode,
 			DepthBiasClamp = DepthBiasClamp,
 			DepthBiasConstantFactor = DepthBiasConstantFactor,
 			DepthBiasEnable = Conversions.BoolToInt(DepthBiasEnable),
 			DepthBiasSlopeFactor = DepthBiasSlopeFactor,
-			FillMode = (SDL_Gpu.FillMode) FillMode,
-			FrontFace = (SDL_Gpu.FrontFace) FrontFace
+			FillMode = (Refresh.FillMode) FillMode,
+			FrontFace = (Refresh.FrontFace) FrontFace
 		};
 	}
 }

src/Graphics/State/SamplerCreateInfo.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics;
 
@@ -150,24 +150,24 @@ public struct SamplerCreateInfo
 		MaxLod = 1000
 	};
 
-	public SDL_Gpu.SamplerCreateInfo ToSDL()
+	public Refresh.SamplerCreateInfo ToRefresh()
 	{
-		return new SDL_Gpu.SamplerCreateInfo
+		return new Refresh.SamplerCreateInfo
 		{
-			MinFilter = (SDL_Gpu.Filter) MinFilter,
-			MagFilter = (SDL_Gpu.Filter) MagFilter,
-			MipmapMode = (SDL_Gpu.SamplerMipmapMode) MipmapMode,
-			AddressModeU = (SDL_Gpu.SamplerAddressMode) AddressModeU,
-			AddressModeV = (SDL_Gpu.SamplerAddressMode) AddressModeV,
-			AddressModeW = (SDL_Gpu.SamplerAddressMode) AddressModeW,
+			MinFilter = (Refresh.Filter) MinFilter,
+			MagFilter = (Refresh.Filter) MagFilter,
+			MipmapMode = (Refresh.SamplerMipmapMode) MipmapMode,
+			AddressModeU = (Refresh.SamplerAddressMode) AddressModeU,
+			AddressModeV = (Refresh.SamplerAddressMode) AddressModeV,
+			AddressModeW = (Refresh.SamplerAddressMode) AddressModeW,
 			MipLodBias = MipLodBias,
-			AnisotropyEnable = Conversions.BoolToByte(AnisotropyEnable),
+			AnisotropyEnable = Conversions.BoolToInt(AnisotropyEnable),
 			MaxAnisotropy = MaxAnisotropy,
-			CompareEnable = Conversions.BoolToByte(CompareEnable),
-			CompareOp = (SDL_Gpu.CompareOp) CompareOp,
+			CompareEnable = Conversions.BoolToInt(CompareEnable),
+			CompareOp = (Refresh.CompareOp) CompareOp,
 			MinLod = MinLod,
 			MaxLod = MaxLod,
-			BorderColor = (SDL_Gpu.BorderColor) BorderColor
+			BorderColor = (Refresh.BorderColor) BorderColor
 		};
 	}
 }

src/Graphics/State/TextureCreateInfo.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -17,9 +17,9 @@ namespace MoonWorks.Graphics
 		public TextureFormat Format;
 		public TextureUsageFlags UsageFlags;
 
-		public SDL_Gpu.TextureCreateInfo ToSDL()
+		public Refresh.TextureCreateInfo ToRefresh()
 		{
-			return new SDL_Gpu.TextureCreateInfo
+			return new Refresh.TextureCreateInfo
 			{
 				Width = Width,
 				Height = Height,
@@ -27,9 +27,9 @@ namespace MoonWorks.Graphics
 				IsCube = Conversions.BoolToInt(IsCube),
 				LayerCount = LayerCount,
 				LevelCount = LevelCount,
-				SampleCount = (SDL_Gpu.SampleCount) SampleCount,
-				Format = (SDL_Gpu.TextureFormat) Format,
-				UsageFlags = (SDL_Gpu.TextureUsageFlags) UsageFlags
+				SampleCount = (Refresh.SampleCount) SampleCount,
+				Format = (Refresh.TextureFormat) Format,
+				UsageFlags = (Refresh.TextureUsageFlags) UsageFlags
 			};
 		}
 	}

src/Graphics/TextureRegion.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 
 namespace MoonWorks.Graphics
 {
@@ -29,11 +29,11 @@ namespace MoonWorks.Graphics
 			Depth = texture.Depth;
 		}
 
-		public SDL_Gpu.TextureRegion ToSDL()
+		public Refresh.TextureRegion ToRefresh()
 		{
-			return new SDL_Gpu.TextureRegion
+			return new Refresh.TextureRegion
 			{
-				TextureSlice = TextureSlice.ToSDL(),
+				TextureSlice = TextureSlice.ToRefresh(),
 				X = X,
 				Y = Y,
 				Z = Z,

src/Graphics/TextureSlice.cs

@@ -1,4 +1,4 @@
-using SDL2_gpuCS;
+using RefreshCS;
 namespace MoonWorks.Graphics;
 
 /// <summary>
@@ -19,9 +19,9 @@ public struct TextureSlice
 		Layer = 0;
 	}
 
-	public SDL_Gpu.TextureSlice ToSDL()
+	public Refresh.TextureSlice ToRefresh()
 	{
-		return new SDL_Gpu.TextureSlice
+		return new Refresh.TextureSlice
 		{
 			Texture = Texture.Handle,
 			MipLevel = MipLevel,

src/Video/VideoPlayer.cs

@@ -242,11 +242,11 @@ namespace MoonWorks.Video
 				if (TransferBuffer == null || TransferBuffer.Size < ySpan.Length + uSpan.Length + vSpan.Length)
 				{
 					TransferBuffer?.Dispose();
-					TransferBuffer = new TransferBuffer(Device, TransferUsage.Texture, (uint) (ySpan.Length + uSpan.Length + vSpan.Length));
+					TransferBuffer = new TransferBuffer(Device, TransferUsage.Texture, TransferBufferMapFlags.Write, (uint) (ySpan.Length + uSpan.Length + vSpan.Length));
 				}
-				TransferBuffer.SetData(ySpan, 0, TransferOptions.Cycle);
-				TransferBuffer.SetData(uSpan, (uint) ySpan.Length, TransferOptions.Unsafe);
-				TransferBuffer.SetData(vSpan, (uint) (ySpan.Length + uSpan.Length), TransferOptions.Unsafe);
+				TransferBuffer.SetData(ySpan, 0, true);
+				TransferBuffer.SetData(uSpan, (uint) ySpan.Length, false);
+				TransferBuffer.SetData(vSpan, (uint) (ySpan.Length + uSpan.Length), false);
 
 				uOffset = (uint) ySpan.Length;
 				vOffset = (uint) (ySpan.Length + vSpan.Length);
@@ -257,9 +257,9 @@ namespace MoonWorks.Video
 
 			var commandBuffer = Device.AcquireCommandBuffer();
 
-			commandBuffer.BeginCopyPass();
+			var copyPass = commandBuffer.BeginCopyPass();
 
-			commandBuffer.UploadToTexture(
+			copyPass.UploadToTexture(
 				TransferBuffer,
 				yTexture,
 				new BufferImageCopy
@@ -268,10 +268,10 @@ namespace MoonWorks.Video
 					BufferStride = yStride,
 					BufferImageHeight = yTexture.Height
 				},
-				WriteOptions.Cycle
+				true
 			);
 
-			commandBuffer.UploadToTexture(
+			copyPass.UploadToTexture(
 				TransferBuffer,
 				uTexture,
 				new BufferImageCopy{
@@ -279,10 +279,10 @@ namespace MoonWorks.Video
 					BufferStride = uvStride,
 					BufferImageHeight = uTexture.Height
 				},
-				WriteOptions.Cycle
+				true
 			);
 
-			commandBuffer.UploadToTexture(
+			copyPass.UploadToTexture(
 				TransferBuffer,
 				vTexture,
 				new BufferImageCopy
@@ -291,25 +291,22 @@ namespace MoonWorks.Video
 					BufferStride = uvStride,
 					BufferImageHeight = vTexture.Height
 				},
-				WriteOptions.Cycle
+				true
 			);
 
-			commandBuffer.EndCopyPass();
+			commandBuffer.EndCopyPass(copyPass);
 
-			commandBuffer.BeginRenderPass(
-				new ColorAttachmentInfo(RenderTexture, WriteOptions.Cycle, Color.Black)
+			var renderPass = commandBuffer.BeginRenderPass(
+				new ColorAttachmentInfo(RenderTexture, true, Color.Black)
 			);
 
-			commandBuffer.BindGraphicsPipeline(Device.VideoPipeline);
-			commandBuffer.BindFragmentSamplers(
-				new TextureSamplerBinding(yTexture, LinearSampler),
-				new TextureSamplerBinding(uTexture, LinearSampler),
-				new TextureSamplerBinding(vTexture, LinearSampler)
-			);
+			renderPass.BindGraphicsPipeline(Device.VideoPipeline);
+			renderPass.BindFragmentSamplers(new TextureSamplerBinding(yTexture, LinearSampler), 0);
+			renderPass.BindFragmentSamplers(new TextureSamplerBinding(uTexture, LinearSampler), 1);
+			renderPass.BindFragmentSamplers(new TextureSamplerBinding(vTexture, LinearSampler), 2);
+			renderPass.DrawPrimitives(0, 1);
 
-			commandBuffer.DrawPrimitives(0, 1);
-
-			commandBuffer.EndRenderPass();
+			commandBuffer.EndRenderPass(renderPass);
 
 			Device.Submit(commandBuffer);
 		}