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HelperShaders class

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This commit is contained in:
Isaac Marovitz
2023-08-03 08:48:41 -04:00
committed by Isaac Marovitz
parent 00fce5a51d
commit 93c71110e1
5 changed files with 72 additions and 45 deletions
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59
src/Ryujinx.Graphics.Metal/HelperShaders.cs Normal file
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using Ryujinx.Common;
using Ryujinx.Common.Logging;
using SharpMetal.Foundation;
using SharpMetal.Metal;
using System;
using System.Runtime.Versioning;
namespace Ryujinx.Graphics.Metal
{
[SupportedOSPlatform("macos")]
public class HelperShaders
{
private const string ShadersSourcePath = "/Ryujinx.Graphics.Metal/HelperShadersSource.metal";
public HelperShader BlitShader;
public HelperShaders(MTLDevice device)
{
var error = new NSError(IntPtr.Zero);
var shaderSource = EmbeddedResources.ReadAllText(ShadersSourcePath);
var library = device.NewLibrary(StringHelper.NSString(shaderSource), new(IntPtr.Zero), ref error);
if (error != IntPtr.Zero)
{
Logger.Error?.PrintMsg(LogClass.Gpu, $"Failed to create Library: {StringHelper.String(error.LocalizedDescription)}");
}
BlitShader = new HelperShader(device, library, "vertexBlit", "fragmentBlit");
}
}
[SupportedOSPlatform("macos")]
public struct HelperShader
{
private MTLRenderPipelineState _pipelineState;
public static implicit operator MTLRenderPipelineState(HelperShader shader) => shader._pipelineState;
public HelperShader(MTLDevice device, MTLLibrary library, string vertex, string fragment)
{
var renderPipelineDescriptor = new MTLRenderPipelineDescriptor();
renderPipelineDescriptor.VertexFunction = library.NewFunction(StringHelper.NSString(vertex));;
renderPipelineDescriptor.FragmentFunction = library.NewFunction(StringHelper.NSString(fragment));
renderPipelineDescriptor.ColorAttachments.Object(0).SetBlendingEnabled(true);
renderPipelineDescriptor.ColorAttachments.Object(0).PixelFormat = MTLPixelFormat.BGRA8Unorm;
renderPipelineDescriptor.ColorAttachments.Object(0).SourceAlphaBlendFactor = MTLBlendFactor.SourceAlpha;
renderPipelineDescriptor.ColorAttachments.Object(0).DestinationAlphaBlendFactor = MTLBlendFactor.OneMinusSourceAlpha;
renderPipelineDescriptor.ColorAttachments.Object(0).SourceRGBBlendFactor = MTLBlendFactor.SourceAlpha;
renderPipelineDescriptor.ColorAttachments.Object(0).DestinationRGBBlendFactor = MTLBlendFactor.OneMinusSourceAlpha;
var error = new NSError(IntPtr.Zero);
_pipelineState = device.NewRenderPipelineState(renderPipelineDescriptor, ref error);
if (error != IntPtr.Zero)
{
Logger.Error?.PrintMsg(LogClass.Gpu, $"Failed to create Render Pipeline State: {StringHelper.String(error.LocalizedDescription)}");
}
}
}
}