private static void ParseJsonRenderPasses(Json jsonSettings, List <Framebuffer> framebuffers, List <RenderPass> renderPasses)
{
//TODO: Ignore case
//TODO: Is this needed anywhere else?
Framebuffer FindFramebuffer(string name, bool throwException = true)
{
Framebuffer framebuffer = null;
for (int i = 0; i < framebuffers.Count; i++)
{
if (framebuffers[i].Name == name)
{
framebuffer = framebuffers[i];
}
}
if (framebuffer == null && throwException)
{
throw new Exception("Couldn't find framebuffer named " + name);
}
return(framebuffer);
}
//RenderPasses
foreach (var passPair in jsonSettings.pipeline)
{
string passName = passPair.Key;
var pass = passPair.Value;
if (!RenderPass.fullNameToType.TryGetValue(pass.type, out Type passType))
{
throw new Exception($"Couldn't find type {pass.type}, or it does not derive from RenderPass.");
}
var passInfo = RenderPass.fullNameToInfo[pass.type] ?? RenderPassInfoAttribute.Default;
var textureList = new List <RenderTexture>();
var bufferList = new List <Renderbuffer>();
foreach (var texPair in pass.passedTextures)
{
string fbName = texPair.Key;
var texArray = texPair.Value;
var texFB = FindFramebuffer(fbName);
for (int i = 0; i < texArray.Length; i++)
{
string texName = texArray[i];
bool callContinue = false;
for (int j = 0; j < texFB.renderTextures.Count; j++)
{
var fb = texFB.renderTextures[j];
if (fb.Name == texName)
{
textureList.Add(fb);
callContinue = true;
break;
}
}
if (callContinue)
{
continue;
}
for (int j = 0; j < texFB.renderbuffers.Length; j++)
{
var rb = texFB.renderbuffers[j];
if (rb.Name == texName)
{
bufferList.Add(rb);
callContinue = true;
break;
}
}
if (callContinue)
{
continue;
}
throw new Exception($"Couldn't find texture or a renderbuffer named '{texName}' in framebuffer '{fbName}'.");
}
}
var shadersArr = passInfo.AcceptedShaderNames;
bool shaderRequired = passInfo.RequiresShader;
Shader passShader = null;
Shader[] passShaders = null;
if (shadersArr == null)
{
//Single shader
if (pass.shaders != null)
{
throw new GraphicsException($"Render pass type ''{pass.type}'' cannot have a ''shaders'' field -- only ''shader'' field is allowed.");
}
string shaderName = pass.shader;
passShader = shaderName == null ? null : Resources.Find <Shader>(shaderName);
if (passShader == null)
{
if (shaderName != null)
{
throw new GraphicsException($"Couldn't find shader named ''{shaderName}''.");
}
if (shaderRequired)
{
throw new GraphicsException("Render pass type always requires a valid shader, provided in a ''shader'' field.");
}
}
}
else
{
//Multiple shaders
if (pass.shader != null)
{
throw new GraphicsException($"Render pass type ''{pass.type}'' cannot have a ''shader'' field--only ''shaders'' field is allowed.");
}
passShaders = new Shader[shadersArr.Length];
foreach (var pair in pass.shaders)
{
int index = Array.IndexOf(shadersArr, pair.Key);
if (index < 0)
{
throw new GraphicsException($"Unknown shader type ''{pair.Key}'' for render pass {passName} ({pass.type}).");
}
string shaderName = pair.Value;
if (shaderName == null)
{
continue;
}
if ((passShaders[index] = Resources.Find <Shader>(shaderName)) == null && shaderName != null)
{
throw new GraphicsException($"Couldn't find shader named ''{shaderName}''.");
}
}
}
renderPasses.Add(RenderPass.Create(passType, passName, p => {
p.Framebuffer = !string.IsNullOrWhiteSpace(pass.framebuffer) && pass.framebuffer.ToLower() != "none" ? FindFramebuffer(pass.framebuffer) : null;
p.PassedTextures = textureList.ToArray();
p.Renderbuffers = bufferList.ToArray();
if (passShaders != null)
{
p.Shaders = passShaders;
}
else if (passShader != null)
{
p.Shader = passShader;
}
}));
}
}