/// <summary>
/// Create a new ShaderInfo object by providing directly a VkShaderModule. Note
/// that this module will not be own by this ShaderInfo, and so will not be
/// destroyed on Dispose.
/// </summary>
public ShaderInfo(VkShaderStageFlags stageFlags, VkShaderModule module, SpecializationInfo specializationInfo = null, string entryPoint = "main")
{
EntryPoint = new FixedUtf8String(entryPoint);
info.stage = stageFlags;
info.pName = EntryPoint;
info.module = module;
info.pSpecializationInfo = (specializationInfo == null) ? IntPtr.Zero : specializationInfo.InfosPtr;
}
public static ShaderInfo CreateShaderInfo(this shaderc.Compiler comp, Device dev, string shaderPath, shaderc.ShaderKind shaderKind,
SpecializationInfo specializationInfo = null, string entryPoint = "main")
{
using (shaderc.Result res = comp.Compile(shaderPath, shaderKind)) {
if (res.Status != shaderc.Status.Success)
{
throw new Exception($"Shaderc compilation failure: {res.ErrorMessage}");
}
VkShaderStageFlags stageFlags = Utils.ShaderKindToStageFlag(shaderKind);
return(new ShaderInfo(dev, stageFlags, res.CodePointer, (UIntPtr)res.CodeLength, specializationInfo, entryPoint));
}
}
/// <summary>
/// Create a new ShaderInfo object by providing the path to a compiled SpirV shader.
/// </summary>
/// <param name="dev">vke Device</param>
/// <param name="_stageFlags">Stage flags.</param>
/// <param name="_spirvPath">path to a compiled SpirV Shader on disk or as embedded ressource if path starts with '#'</param>
/// <param name="specializationInfo">Specialization info</param>
/// <param name="entryPoint">shader entry point, 'main' by default.</param>
public ShaderInfo(Device dev, VkShaderStageFlags _stageFlags, string _spirvPath, SpecializationInfo specializationInfo = null, string entryPoint = "main") :
this(_stageFlags, dev.CreateShaderModule(_spirvPath), specializationInfo, entryPoint)
{
this.dev = dev; //keep dev for destroying module created in this CTOR
}
/// <summary>
/// Create a new 'ShaderInfo' object by providing a handle to an native memory holding the compiled SpirV code
/// and its size in byte.
/// </summary>
/// <param name="dev">Dev.</param>
/// <param name="stageFlags">Stage flags.</param>
/// <param name="code">a native pointer on the SpirV Code, typically a 'shaderc.Result.CodePointer</param>
/// <param name="codeSize">Code size in byte</param>
/// <param name="specializationInfo">Specialization info.</param>
/// <param name="entryPoint">shader entry point</param>
public ShaderInfo(Device dev, VkShaderStageFlags stageFlags, IntPtr code, UIntPtr codeSize, SpecializationInfo specializationInfo = null, string entryPoint = "main") :
this(stageFlags, dev.CreateShaderModule(code, codeSize), specializationInfo, entryPoint)
{
this.dev = dev; //keep dev for destroying module created in this CTOR
}
/// <summary>
/// Dispose ShaderInfo at index 'shaderIndex' in the Shaders list, and replace it with a new one.
/// </summary>
public void ReplaceShader(int shaderIndex, Device dev, VkShaderStageFlags stageFlags, string spirvShaderPath, SpecializationInfo specializationInfo = null, string entryPoint = "main")
{
Shaders[shaderIndex].Dispose();
Shaders[shaderIndex] = new ShaderInfo(dev, stageFlags, spirvShaderPath, specializationInfo, entryPoint);
}
/// <summary>
/// Dispose ShaderInfo at index 'shaderIndex' in the Shaders list, and replace it with a new one.
/// </summary>
public void ReplaceShader(int shaderIndex, VkShaderStageFlags stageFlags, VkShaderModule module, SpecializationInfo specializationInfo = null, string entryPoint = "main")
{
Shaders[shaderIndex].Dispose();
Shaders[shaderIndex] = new ShaderInfo(stageFlags, module, specializationInfo, entryPoint);
}
/// <summary>
/// Add a new shader to this pipeline configuration.
/// </summary>
public void AddShader(Device dev, VkShaderStageFlags stageFlags, string spirvShaderPath, SpecializationInfo specializationInfo = null, string entryPoint = "main")
{
Shaders.Add(new ShaderInfo(dev, stageFlags, spirvShaderPath, specializationInfo, entryPoint));
}
/// <summary>
/// Add a new shader to this pipeline configuration.
/// </summary>
public void AddShader(VkShaderStageFlags stageFlags, VkShaderModule module, SpecializationInfo specializationInfo = null, string entryPoint = "main")
{
Shaders.Add(new ShaderInfo(stageFlags, module, specializationInfo, entryPoint));
}
