forked from Misaki/GhostEngine
88 lines
3.0 KiB
C#
88 lines
3.0 KiB
C#
using Ghost.Core;
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using Ghost.Graphics.Contracts;
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using Ghost.Graphics.Data;
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using Ghost.Graphics.RHI;
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using Ghost.Graphics.Utilities;
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using Ghost.SDL.Compiler;
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using Misaki.HighPerformance.Image;
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namespace Ghost.Graphics.RenderPasses;
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/// <summary>
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/// Simplified bindless mesh render pass using high-level bindless APIs with fully bindless vertex/index buffer access
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/// </summary>
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internal unsafe class MeshRenderPass : IRenderPass
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{
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private Handle<Mesh> _mesh;
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private Handle<Material> _material;
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private Identifier<Shader> _shader;
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private Handle<Texture>[]? _textures;
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// Texture file paths for this demo
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private readonly string[] _textureFiles = [
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"C:/Users/Misaki/Downloads/Im/Icon.png",
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"C:/Users/Misaki/Downloads/Im/Backdrop.jpg",
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"C:/Users/Misaki/Downloads/Im/101167591_p0.png",
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"C:/Users/Misaki/Downloads/Im/yande.re 1134666 blue_archive nakamasa_ichika sugarhigh.jpg"
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];
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public void Initialize(ref readonly RenderingContext ctx, IResourceAllocator resourceAllocator, IPipelineLibrary stateController)
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{
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var shaderDescriptor = SDLCompiler.CompileShader("F:\\csharp\\GhostEngine\\Ghost.Graphics\\RenderPasses\\ShaderCode.hlsl").GetValueOrThrow();
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stateController.CompileShader(shaderDescriptor);
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stateController.PreCookPipelineState();
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MeshBuilder.CreateCube(0.75f, default, out var vertices, out var indices);
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_mesh = ctx.CreateMesh(vertices, indices);
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ctx.UploadMesh(_mesh, true);
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_shader = resourceAllocator.CreateShader(shaderDescriptor);
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_material = resourceAllocator.CreateMaterial(_shader);
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var imageResults = new ImageResult[_textureFiles.Length];
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_textures = new Handle<Texture>[_textureFiles.Length];
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for (var i = 0; i < _textureFiles.Length; i++)
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{
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using var stream = File.OpenRead(_textureFiles[i]);
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using var imageData = ImageResult.FromStream(stream);
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imageResults[i] = imageData;
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var desc = new TextureDesc
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{
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Width = imageData.Width,
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Height = imageData.Height,
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Dimension = TextureDimension.Texture2D,
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Format = TextureFormat.R8G8B8A8_UNorm,
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MipLevels = 1,
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Slice = 1,
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Usage = TextureUsage.ShaderResource,
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};
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_textures[i] = ctx.CreateTexture(ref desc);
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ctx.UploadTexture(_textures[i], new Span<byte>(imageData.Data, (int)imageData.Size));
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}
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}
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public void Execute(ref readonly RenderingContext ctx)
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{
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ctx.RenderMesh(_mesh, _material);
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}
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public void Cleanup(IResourceDatabase resourceDatabase)
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{
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resourceDatabase.ReleaseMaterial(_material);
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resourceDatabase.ReleaseShader(_shader);
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resourceDatabase.ReleaseMesh(_mesh);
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if (_textures != null)
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{
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foreach (var texture in _textures)
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{
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resourceDatabase.ReleaseResource(texture.AsResource());
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}
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}
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}
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} |