MoonsideGames
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MoonWorksGraphicsTests
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re-add Cube screenshot feature

refresh2
cosmonaut 2024-02-22 22:51:01 -08:00
parent 110151ad56
commit 59c99daa9c
1 changed files with 42 additions and 17 deletions
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59
Cube/CubeGame.cs
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@ -2,6 +2,7 @@
using MoonWorks.Math;
using MoonWorks.Math.Float;
using System;
using System.IO;
using System.Threading.Tasks;
namespace MoonWorks.Test
@ -25,6 +26,8 @@ namespace MoonWorks.Test
private CpuBuffer transferBuffer;
private CpuBuffer cubemapTransferBuffer;
private CpuBuffer screenshotTransferBuffer;
private Texture screenshotTexture;
private Texture skyboxTexture;
private Sampler skyboxSampler;
@ -36,8 +39,8 @@ namespace MoonWorks.Test
private bool depthOnlyEnabled = false;
private Vector3 camPos = new Vector3(0, 1.5f, 4f);
private TaskFactory taskFactory = new TaskFactory();
private bool takeScreenshot;
private bool swapchainCopied; // don't want to take screenshot if the swapchain was invalid
struct DepthUniforms
{
@ -72,9 +75,7 @@ namespace MoonWorks.Test
Depth = 1
};
var pixelData = ImageUtils.GetPixelDataFromFile(imagePaths[i], out var _, out var _, out var sizeInBytes);
cubemapTransferBuffer.SetData(new Span<byte>((void*) pixelData, (int) sizeInBytes), SetDataOptions.Overwrite);
ImageUtils.FreePixelData(pixelData);
ImageUtils.DecodeIntoCpuBuffer(imagePaths[i], cubemapTransferBuffer, 0, SetDataOptions.Overwrite);
commandBuffer.BeginCopyPass();
commandBuffer.UploadToTexture(cubemapTransferBuffer, textureSlice, new BufferImageCopy(0, 0, 0));
@ -157,6 +158,8 @@ namespace MoonWorks.Test
transferBuffer = new CpuBuffer(GraphicsDevice, 32768);
cubemapTransferBuffer = new CpuBuffer(GraphicsDevice, 2048 * 2048 * 4);
screenshotTransferBuffer = new CpuBuffer(GraphicsDevice, MainWindow.Width * MainWindow.Height * 4);
screenshotTexture = Texture.CreateTexture2D(GraphicsDevice, MainWindow.Width, MainWindow.Height, MainWindow.SwapchainFormat, 0);
Task loadingTask = Task.Run(() => UploadGPUAssets());
@ -497,31 +500,53 @@ namespace MoonWorks.Test
cmdbuf.EndRenderPass();
}
if (takeScreenshot)
{
cmdbuf.BeginCopyPass();
cmdbuf.CopyTextureToTexture(swapchainTexture, screenshotTexture);
cmdbuf.EndCopyPass();
swapchainCopied = true;
}
}
}
GraphicsDevice.Submit(cmdbuf);
if (takeScreenshot)
if (takeScreenshot && swapchainCopied)
{
if (swapchainTexture != null)
{
taskFactory.StartNew(TakeScreenshot, swapchainTexture);
}
Task.Run(TakeScreenshot);
takeScreenshot = false;
swapchainCopied = false;
}
}
private System.Action<object?> TakeScreenshot = texture =>
private unsafe void TakeScreenshot()
{
/*
if (texture != null)
{
((Texture) texture).SavePNG(System.IO.Path.Combine(System.AppContext.BaseDirectory, "screenshot.png"));
}
*/
};
var commandBuffer = GraphicsDevice.AcquireCommandBuffer();
commandBuffer.BeginCopyPass();
commandBuffer.DownloadFromTexture(
screenshotTexture,
screenshotTransferBuffer
);
commandBuffer.EndCopyPass();
var fence = GraphicsDevice.SubmitAndAcquireFence(commandBuffer);
GraphicsDevice.WaitForFences(fence);
GraphicsDevice.ReleaseFence(fence);
ImageUtils.SavePNG(
Path.Combine(System.AppContext.BaseDirectory, "screenshot.png"),
screenshotTransferBuffer,
0,
(int) screenshotTexture.Width,
(int) screenshotTexture.Height,
screenshotTexture.Format == TextureFormat.B8G8R8A8
);
}
public static void Main(string[] args)
{