private AttrInfo DecomposeAttrImpl(
MidBuiltinApp app,
DecomposeAttrContext context)
{
string template = app.Decl.GetTemplate("blend");
if (template == null)
{
throw OperationTooComplexError(app.Range);
}
var args = app.Args.ToArray();
switch (template)
{
case "AddFloat4":
{
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context);
return new OpInfo(
app.Range,
D3D11_BLEND_OP.D3D11_BLEND_OP_ADD,
left,
right);
}
case "MulFloat4": {
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context);
return new TermInfo(app.Range, left, right);
}
case "MulFloat_Float4": {
var left = DecomposeAttr(args[0], context.SwitchToAlpha());
var right = DecomposeAttr(args[1], context);
return new TermInfo(app.Range, left, right);
}
case "MulFloat4_Float": {
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context.SwitchToAlpha());
return new TermInfo(app.Range, left, right);
}
case "GetAlpha": {
var arg = DecomposeAttr(args[0], context.SwitchToAlpha());
return arg;
}
case "SubFloat":
{
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context);
return new SubInfo(app.Range, left, right);
}
case "IntToFloat":
{
var arg = DecomposeAttr(args[0], context);
return arg;
}
default:
throw OperationTooComplexError(app.Range);
}
}
private AttrInfo DecomposeAttrImpl(
MidBuiltinApp app,
DecomposeAttrContext context)
{
string template = app.Decl.GetTemplate("blend");
if (template == null)
{
throw OperationTooComplexError(app.Range);
}
var args = app.Args.ToArray();
switch (template)
{
case "AddFloat4":
{
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context);
return(new OpInfo(
app.Range,
D3D11_BLEND_OP.D3D11_BLEND_OP_ADD,
left,
right));
}
case "MulFloat4": {
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context);
return(new TermInfo(app.Range, left, right));
}
case "MulFloat_Float4": {
var left = DecomposeAttr(args[0], context.SwitchToAlpha());
var right = DecomposeAttr(args[1], context);
return(new TermInfo(app.Range, left, right));
}
case "MulFloat4_Float": {
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context.SwitchToAlpha());
return(new TermInfo(app.Range, left, right));
}
case "GetAlpha": {
var arg = DecomposeAttr(args[0], context.SwitchToAlpha());
return(arg);
}
case "SubFloat":
{
var left = DecomposeAttr(args[0], context);
var right = DecomposeAttr(args[1], context);
return(new SubInfo(app.Range, left, right));
}
case "IntToFloat":
{
var arg = DecomposeAttr(args[0], context);
return(arg);
}
default:
throw OperationTooComplexError(app.Range);
}
}
