private InputLayout CreateInputLayout(InputLayoutFormat inputLayoutFormat, ShaderSignature signature)
{
if (inputLayoutFormat == InputLayoutFormat.PositionNormalColorTextureInstanced)
{
return(new InputLayout(_device, signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0, InputClassification.PerVertexData, 0),
new InputElement("NORMAL", 0, Format.R32G32B32_Float, 12, 0, InputClassification.PerVertexData, 0),
new InputElement("VERTEX_COLOR", 0, Format.R8G8B8A8_UNorm, 24, 0, InputClassification.PerVertexData, 0),
new InputElement("TEXCOORD", 0, Format.R32G32_Float, 28, 0, InputClassification.PerVertexData, 0),
new InputElement("INSTANCE_TRANSFORM", 0, Format.R32G32B32A32_Float, 0, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_TRANSFORM", 1, Format.R32G32B32A32_Float, 16, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_TRANSFORM", 2, Format.R32G32B32A32_Float, 32, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_TRANSFORM", 3, Format.R32G32B32A32_Float, 48, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_METALLIC", 0, Format.R32_Float, 64, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_ROUGHNESS", 0, Format.R32_Float, 68, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_MATERIAL_RESOURCES_INDEX", 0, Format.R32_SInt, 72, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_COLOR", 0, Format.R8G8B8A8_UNorm, 76, 1, InputClassification.PerInstanceData, 1)
}));
}
else if (inputLayoutFormat == InputLayoutFormat.WaterVertex)
{
return(new InputLayout(_device, signature, new[] {
new InputElement("POSITION", 0, Format.R32G32B32_Float, 0, 0, InputClassification.PerVertexData, 0),
new InputElement("INSTANCE_TRANSFORM", 0, Format.R32G32B32A32_Float, 0, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_TRANSFORM", 1, Format.R32G32B32A32_Float, 16, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_TRANSFORM", 2, Format.R32G32B32A32_Float, 32, 1, InputClassification.PerInstanceData, 1),
new InputElement("INSTANCE_TRANSFORM", 3, Format.R32G32B32A32_Float, 48, 1, InputClassification.PerInstanceData, 1),
}));
}
throw new NotSupportedException("Unsupported Input Layout: " + inputLayoutFormat);
}
public IVertexShader LoadVertexShaderFromFile(string relativePath, InputLayoutFormat inputLayoutFormat, string entryPoint = null)
{
var bytecode = CompileShaderBytecodeFromFileOrThrow($"{BasePath}\\{relativePath}.hlsl", entryPoint ?? "VS", "vs_5_0");
var shader = new VertexShader(_device, bytecode);
var signature = ShaderSignature.GetInputSignature(bytecode);
var inputLayout = CreateInputLayout(inputLayoutFormat, signature);
return(new VertexShaderBox {
Shader = shader, InputLayout = inputLayout
});
}
