private void LoadShaderToyFile(string filepath)
{
int displayOutputBufferId = 1;
renderer.Clear();
using (ZipArchive zip = ZipFile.OpenRead(filepath)) {
renderer.SharedFragmentCode = zip.GetEntry("common.glsl")?.ReadToEnd();
string vertexShader = zip.GetEntry("shared.vs.glsl").ReadToEnd();
foreach (ZipArchiveEntry entry in zip.Entries)
{
if (entry.Name.StartsWith("rp") && entry.Name.EndsWith(".json"))
{
JObject jRenderPass = JObject.Parse(entry.ReadToEnd());
if (jRenderPass["type"].Value <string>() == "image")
{
displayOutputBufferId = jRenderPass["outputs"].Values <int>().First();
}
ZipArchiveEntry shaderEntry = zip.GetEntry(jRenderPass["code"].Value <string>());
string shaderCode = shaderEntry.ReadToEnd();
RenderPassBuilder rpb = RenderPassBuilder.FromString(jRenderPass["name"].Value <string>(), vertexShader, shaderCode);
foreach (JObject obj in jRenderPass["inputs"])
{
string type = obj["type"].Value <string>();
if (type == "buffer")
{
rpb.AddBufferInput(obj["channel"].Value <int>(), obj["id"].Value <int>());
}
else if (type == "texture")
{
string src = obj["src"].Value <string>();
ZipArchiveEntry e = zip.Entries.FirstOrDefault(x => src.EndsWith(x.Name));
rpb.AddTextureInput(obj["channel"].Value <int>(), e.Name, e.ReadAllBytes());
}
}
foreach (int bufferId in jRenderPass["outputs"].Values <int>())
{
rpb.AddOutput(bufferId);
}
RenderPass rp = rpb.Create();
renderer.Add(rp);
}
}
}
renderer.DisplayOutputBufferId = displayOutputBufferId;
renderer.InitPasses();
}