update CopyTexture
parent
b9337fdbe6
commit
3299ff578f
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@ -1,5 +1,4 @@
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using System.Runtime.InteropServices;
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using MoonWorks;
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using MoonWorks.Graphics;
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using MoonWorks.Math.Float;
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@ -8,8 +7,8 @@ namespace MoonWorks.Test
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class CopyTextureGame : Game
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{
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private GraphicsPipeline pipeline;
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private Buffer vertexBuffer;
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private Buffer indexBuffer;
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private GpuBuffer vertexBuffer;
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private GpuBuffer indexBuffer;
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private Texture originalTexture;
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private Texture textureCopy;
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private Texture textureSmallCopy;
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@ -36,15 +35,10 @@ namespace MoonWorks.Test
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sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
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// Create and populate the GPU resources
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vertexBuffer = Buffer.Create<PositionTextureVertex>(GraphicsDevice, BufferUsageFlags.Vertex, 12);
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indexBuffer = Buffer.Create<ushort>(GraphicsDevice, BufferUsageFlags.Index, 12);
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var resourceInitializer = new ResourceInitializer(GraphicsDevice);
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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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cmdbuf.SetBufferData(
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vertexBuffer,
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new PositionTextureVertex[]
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{
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vertexBuffer = resourceInitializer.CreateBuffer(
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[
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new PositionTextureVertex(new Vector3(-1f, 0f, 0), new Vector2(0, 0)),
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new PositionTextureVertex(new Vector3( 0f, 0f, 0), new Vector2(1, 0)),
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new PositionTextureVertex(new Vector3( 0f, 1f, 0), new Vector2(1, 1)),
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@ -59,84 +53,87 @@ namespace MoonWorks.Test
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new PositionTextureVertex(new Vector3( 0.5f, -1f, 0), new Vector2(1, 0)),
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new PositionTextureVertex(new Vector3( 0.5f, 0f, 0), new Vector2(1, 1)),
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new PositionTextureVertex(new Vector3(-0.5f, 0f, 0), new Vector2(0, 1))
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}
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],
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BufferUsageFlags.Vertex
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);
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cmdbuf.SetBufferData(
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indexBuffer,
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new ushort[]
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{
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indexBuffer = resourceInitializer.CreateBuffer<ushort>(
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[
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0, 1, 2,
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0, 2, 3,
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}
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],
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BufferUsageFlags.Index
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);
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// Load the texture. Storing the texture bytes so we can compare them.
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var fileStream = new System.IO.FileStream(TestUtils.GetTexturePath("ravioli.png"), System.IO.FileMode.Open, System.IO.FileAccess.Read);
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var fileLength = fileStream.Length;
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var fileBuffer = NativeMemory.Alloc((nuint) fileLength);
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var fileSpan = new System.Span<byte>(fileBuffer, (int) fileLength);
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fileStream.ReadExactly(fileSpan);
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originalTexture = resourceInitializer.CreateTexture2D(
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TestUtils.GetTexturePath("ravioli.png")
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);
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var pixels = RefreshCS.Refresh.Refresh_Image_Load(
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(nint) fileBuffer,
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(int) fileLength,
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resourceInitializer.Upload();
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resourceInitializer.Dispose();
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// Load the texture bytes so we can compare them.
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var pixels = ImageUtils.GetPixelDataFromFile(
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TestUtils.GetTexturePath("ravioli.png"),
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out var width,
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out var height,
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out var byteCount
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);
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NativeMemory.Free(fileBuffer);
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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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TextureCreateInfo textureCreateInfo = new TextureCreateInfo();
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textureCreateInfo.Width = (uint) width;
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textureCreateInfo.Height = (uint) height;
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textureCreateInfo.Depth = 1;
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textureCreateInfo.Format = TextureFormat.R8G8B8A8;
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textureCreateInfo.IsCube = false;
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textureCreateInfo.LevelCount = 1;
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textureCreateInfo.UsageFlags = TextureUsageFlags.Sampler;
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originalTexture = new Texture(GraphicsDevice, textureCreateInfo);
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cmdbuf.SetTextureData(originalTexture, pixels, (uint) byteCount);
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var textureCreateInfo = new TextureCreateInfo
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{
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Width = originalTexture.Width,
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Height = originalTexture.Height,
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Depth = originalTexture.Depth,
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IsCube = originalTexture.IsCube,
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LevelCount = originalTexture.LevelCount,
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SampleCount = originalTexture.SampleCount,
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Format = originalTexture.Format,
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UsageFlags = originalTexture.UsageFlags
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};
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// Create a 1:1 copy of the texture
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textureCopy = new Texture(GraphicsDevice, textureCreateInfo);
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cmdbuf.BeginCopyPass();
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cmdbuf.CopyTextureToTexture(
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new TextureSlice(originalTexture),
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new TextureSlice(textureCopy),
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Filter.Linear
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originalTexture,
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textureCopy
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);
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cmdbuf.EndCopyPass();
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// Create a half-sized copy of this texture
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textureCreateInfo.Width /= 2;
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textureCreateInfo.Height /= 2;
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textureCreateInfo.UsageFlags |= TextureUsageFlags.ColorTarget;
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textureSmallCopy = new Texture(GraphicsDevice, textureCreateInfo);
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cmdbuf.CopyTextureToTexture(
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new TextureSlice(originalTexture),
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new TextureSlice(
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textureSmallCopy,
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new Rect(
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(int) textureCreateInfo.Width,
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(int) textureCreateInfo.Height
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)
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),
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Filter.Linear
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);
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// Copy the texture to a buffer
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Buffer compareBuffer = Buffer.Create<byte>(GraphicsDevice, 0, (uint) byteCount);
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cmdbuf.CopyTextureToBuffer(new TextureSlice(originalTexture), compareBuffer);
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// Render the half-size copy
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cmdbuf.Blit(originalTexture, textureSmallCopy, Filter.Linear);
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// Copy the texture to a transfer buffer
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TransferBuffer compareBuffer = new TransferBuffer(GraphicsDevice, byteCount);
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cmdbuf.BeginCopyPass();
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cmdbuf.DownloadFromTexture(
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new TextureSlice(originalTexture),
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compareBuffer,
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new BufferImageCopy(0, 0, 0)
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);
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cmdbuf.EndCopyPass();
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var fence = GraphicsDevice.SubmitAndAcquireFence(cmdbuf);
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GraphicsDevice.WaitForFences(fence);
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GraphicsDevice.ReleaseFence(fence);
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// Compare the original bytes to the copied bytes.
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var copiedBytes = NativeMemory.Alloc((nuint) byteCount);
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var copiedSpan = new System.Span<byte>(copiedBytes, byteCount);
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var copiedBytes = NativeMemory.Alloc(byteCount);
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var copiedSpan = new System.Span<byte>(copiedBytes, (int) byteCount);
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compareBuffer.GetData(copiedSpan);
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var originalSpan = new System.Span<byte>((void*) pixels, byteCount);
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var originalSpan = new System.Span<byte>((void*) pixels, (int)byteCount);
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if (System.MemoryExtensions.SequenceEqual(originalSpan, copiedSpan))
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{
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@ -164,11 +161,11 @@ namespace MoonWorks.Test
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cmdbuf.BindVertexBuffers(vertexBuffer);
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cmdbuf.BindIndexBuffer(indexBuffer, IndexElementSize.Sixteen);
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cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(originalTexture, sampler));
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cmdbuf.DrawIndexedPrimitives(0, 0, 2, 0, 0);
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cmdbuf.DrawIndexedPrimitives(0, 0, 2);
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cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(textureCopy, sampler));
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cmdbuf.DrawIndexedPrimitives(4, 0, 2, 0, 0);
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cmdbuf.DrawIndexedPrimitives(4, 0, 2);
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cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(textureSmallCopy, sampler));
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cmdbuf.DrawIndexedPrimitives(8, 0, 2, 0, 0);
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cmdbuf.DrawIndexedPrimitives(8, 0, 2);
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cmdbuf.EndRenderPass();
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}
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GraphicsDevice.Submit(cmdbuf);
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