CopyTextureExample
parent
2387a03e1d
commit
8258bb07a4
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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.Input;
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using MoonWorks.Math.Float;
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namespace MoonWorksGraphicsTests
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{
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class CopyTextureExample : Example
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{
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private Texture OriginalTexture;
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private Texture TextureCopy;
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private Texture TextureSmall;
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public override unsafe void Init(Window window, GraphicsDevice graphicsDevice, Inputs inputs)
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{
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Window = window;
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GraphicsDevice = graphicsDevice;
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Window.SetTitle("CopyTexture");
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// Create and populate the GPU resources
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var resourceUploader = new ResourceUploader(GraphicsDevice);
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OriginalTexture = resourceUploader.CreateTexture2DFromCompressed(
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TestUtils.GetTexturePath("ravioli.png")
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);
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resourceUploader.Upload();
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resourceUploader.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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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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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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LayerCount = OriginalTexture.LayerCount,
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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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// Create a download transfer buffer
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TransferBuffer compareBuffer = new TransferBuffer(
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GraphicsDevice,
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TransferUsage.Texture,
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TransferBufferMapFlags.Read,
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byteCount
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);
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var copyPass = cmdbuf.BeginCopyPass();
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copyPass.CopyTextureToTexture(
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OriginalTexture,
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TextureCopy,
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false
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);
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cmdbuf.EndCopyPass(copyPass);
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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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TextureSmall = new Texture(GraphicsDevice, textureCreateInfo);
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// Render the half-size copy
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cmdbuf.Blit(OriginalTexture, TextureSmall, Filter.Linear, false);
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// Copy the texture to a transfer buffer
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copyPass = cmdbuf.BeginCopyPass();
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copyPass.DownloadFromTexture(
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TextureCopy,
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compareBuffer,
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new BufferImageCopy(0, 0, 0)
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);
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cmdbuf.EndCopyPass(copyPass);
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var fence = GraphicsDevice.SubmitAndAcquireFence(cmdbuf);
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GraphicsDevice.WaitForFence(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(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>(pixels, (int)byteCount);
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if (System.MemoryExtensions.SequenceEqual(originalSpan, copiedSpan))
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{
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Logger.LogInfo("SUCCESS! Original texture bytes and the downloaded bytes match!");
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}
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else
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{
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Logger.LogError("FAIL! Original texture bytes do not match downloaded bytes!");
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}
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RefreshCS.Refresh.Refresh_Image_Free(pixels);
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NativeMemory.Free(copiedBytes);
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}
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public override void Update(System.TimeSpan delta) { }
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public override void Draw(double alpha)
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{
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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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Texture swapchainTexture = cmdbuf.AcquireSwapchainTexture(Window);
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if (swapchainTexture != null)
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{
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var clearPass = cmdbuf.BeginRenderPass(
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new ColorAttachmentInfo(swapchainTexture, false, Color.Black)
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);
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cmdbuf.EndRenderPass(clearPass);
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cmdbuf.Blit(
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OriginalTexture,
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new TextureRegion
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{
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TextureSlice = swapchainTexture,
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Width = swapchainTexture.Width / 2,
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Height = swapchainTexture.Height / 2,
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Depth = 1
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},
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Filter.Nearest,
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false
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);
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cmdbuf.Blit(
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TextureCopy,
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new TextureRegion
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{
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TextureSlice = swapchainTexture,
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X = swapchainTexture.Width / 2,
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Y = 0,
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Width = swapchainTexture.Width / 2,
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Height = swapchainTexture.Height / 2,
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Depth = 1
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},
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Filter.Nearest,
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false
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);
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cmdbuf.Blit(
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TextureSmall,
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new TextureRegion
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{
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TextureSlice = swapchainTexture,
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X = swapchainTexture.Width / 4,
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Y = swapchainTexture.Height / 2,
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Width = swapchainTexture.Width / 2,
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Height = swapchainTexture.Height / 2,
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Depth = 1
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},
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Filter.Nearest,
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false
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);
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}
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GraphicsDevice.Submit(cmdbuf);
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}
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public override void Destroy()
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{
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OriginalTexture.Dispose();
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TextureCopy.Dispose();
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TextureSmall.Dispose();
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}
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}
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}
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@ -1,181 +0,0 @@
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using System.Runtime.InteropServices;
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using MoonWorks.Graphics;
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using MoonWorks.Math.Float;
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namespace MoonWorksGraphicsTests
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{
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class CopyTextureGame : Game
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{
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private GraphicsPipeline pipeline;
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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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private Sampler sampler;
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public unsafe CopyTextureGame() : base(TestUtils.GetStandardWindowCreateInfo(), TestUtils.GetStandardFrameLimiterSettings(), TestUtils.PreferredBackends, 60, true)
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{
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// Load the shaders
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ShaderModule vertShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuad.vert"));
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ShaderModule fragShaderModule = new ShaderModule(GraphicsDevice, TestUtils.GetShaderPath("TexturedQuad.frag"));
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// Create the graphics pipeline
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GraphicsPipelineCreateInfo pipelineCreateInfo = TestUtils.GetStandardGraphicsPipelineCreateInfo(
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MainWindow.SwapchainFormat,
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vertShaderModule,
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fragShaderModule
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);
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pipelineCreateInfo.AttachmentInfo.ColorAttachmentDescriptions[0].BlendState = ColorAttachmentBlendState.AlphaBlend;
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pipelineCreateInfo.VertexInputState = VertexInputState.CreateSingleBinding<PositionTextureVertex>();
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pipelineCreateInfo.FragmentShaderInfo.SamplerBindingCount = 1;
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pipeline = new GraphicsPipeline(GraphicsDevice, pipelineCreateInfo);
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// Create sampler
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sampler = new Sampler(GraphicsDevice, SamplerCreateInfo.PointClamp);
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// Create and populate the GPU resources
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var resourceUploader = new ResourceUploader(GraphicsDevice);
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vertexBuffer = resourceUploader.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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new PositionTextureVertex(new Vector3(-1f, 1f, 0), new Vector2(0, 1)),
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new PositionTextureVertex(new Vector3(0f, 0f, 0), new Vector2(0, 0)),
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new PositionTextureVertex(new Vector3(1f, 0f, 0), new Vector2(1, 0)),
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new PositionTextureVertex(new Vector3(1f, 1f, 0), new Vector2(1, 1)),
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new PositionTextureVertex(new Vector3(0f, 1f, 0), new Vector2(0, 1)),
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new PositionTextureVertex(new Vector3(-0.5f, -1f, 0), new Vector2(0, 0)),
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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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BufferUsageFlags.Vertex
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);
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indexBuffer = resourceUploader.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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BufferUsageFlags.Index
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);
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originalTexture = resourceUploader.CreateTexture2DFromCompressed(
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TestUtils.GetTexturePath("ravioli.png")
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);
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resourceUploader.Upload();
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resourceUploader.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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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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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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LayerCount = originalTexture.LayerCount,
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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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originalTexture,
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textureCopy,
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WriteOptions.Unsafe
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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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// Render the half-size copy
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cmdbuf.Blit(originalTexture, textureSmallCopy, Filter.Linear, WriteOptions.Unsafe);
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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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// Copy the texture to a transfer buffer
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TransferBuffer compareBuffer = new TransferBuffer(GraphicsDevice, TransferUsage.Texture, byteCount);
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GraphicsDevice.DownloadFromTexture(
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textureCopy,
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compareBuffer,
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TransferOptions.Unsafe
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);
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// Compare the original bytes to the copied bytes.
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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, (int)byteCount);
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if (System.MemoryExtensions.SequenceEqual(originalSpan, copiedSpan))
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{
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Logger.LogInfo("SUCCESS! Original texture bytes and the downloaded bytes match!");
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}
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else
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{
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Logger.LogError("FAIL! Original texture bytes do not match downloaded bytes!");
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}
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RefreshCS.Refresh.Refresh_Image_Free(pixels);
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NativeMemory.Free(copiedBytes);
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}
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protected override void Update(System.TimeSpan delta) { }
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protected override void Draw(double alpha)
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{
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CommandBuffer cmdbuf = GraphicsDevice.AcquireCommandBuffer();
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Texture? backbuffer = cmdbuf.AcquireSwapchainTexture(MainWindow);
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if (backbuffer != null)
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{
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cmdbuf.BeginRenderPass(new ColorAttachmentInfo(backbuffer, WriteOptions.Cycle, Color.Black));
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cmdbuf.BindGraphicsPipeline(pipeline);
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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);
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cmdbuf.BindFragmentSamplers(new TextureSamplerBinding(textureCopy, sampler));
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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);
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cmdbuf.EndRenderPass();
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}
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GraphicsDevice.Submit(cmdbuf);
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}
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public static void Main(string[] args)
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{
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CopyTextureGame game = new CopyTextureGame();
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game.Run();
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}
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}
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}
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@ -31,6 +31,7 @@
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<Compile Include="Examples\ClearScreen_MultiWindowExample.cs" />
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<Compile Include="Examples\ClearScreen_MultiWindowExample.cs" />
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<Compile Include="Examples\CompressedTexturesExample.cs" />
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<Compile Include="Examples\CompressedTexturesExample.cs" />
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<Compile Include="Examples\ComputeUniformsExample.cs" />
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<Compile Include="Examples\ComputeUniformsExample.cs" />
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<Compile Include="Examples\CopyTextureExample.cs" />
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</ItemGroup>
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</ItemGroup>
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<Import Project=".\CopyMoonlibs.targets" />
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<Import Project=".\CopyMoonlibs.targets" />
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@ -14,7 +14,8 @@ class Program : Game
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new BasicTriangleExample(),
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new BasicTriangleExample(),
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new CompressedTexturesExample(),
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new CompressedTexturesExample(),
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new BasicComputeExample(),
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new BasicComputeExample(),
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new ComputeUniformsExample()
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new ComputeUniformsExample(),
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new CopyTextureExample()
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];
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];
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int ExampleIndex = 0;
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int ExampleIndex = 0;
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