Add support for main view information in Surface materials during subpass rendering (eg. shadow depth)

This commit is contained in:
Wojtek Figat
2022-07-29 16:57:57 +02:00
parent 22209108c9
commit 6cf91b1da4
9 changed files with 72 additions and 15 deletions

View File

@@ -45,19 +45,43 @@ void MaterialGenerator::ProcessGroupMaterial(Box* box, Node* node, Value& value)
// Screen Position
case 6:
{
// Position
if (box->ID == 0)
value = Value(VariantType::Float2, TEXT("input.SvPosition.xy"));
// Texcoord
else if (box->ID == 1)
value = writeLocal(VariantType::Float2, TEXT("input.SvPosition.xy * ScreenSize.zw"), node);
// Check if use main view position
const auto layer = GetRootLayer();
if (layer && layer->Domain == MaterialDomain::Surface && node->Values.Count() > 0 && node->Values[0].AsBool)
{
// Transform world position into main viewport texcoord space
Value clipPosition = writeLocal(VariantType::Float4, TEXT("mul(float4(input.WorldPosition.xyz, 1), MainViewProjectionMatrix)"), node);
Value uvPos = writeLocal(VariantType::Float2, String::Format(TEXT("(({0}.xy / {0}.w) * float2(0.5, -0.5) + float2(0.5, 0.5))"), clipPosition.Value), node);
// Position
if (box->ID == 0)
value = writeLocal(VariantType::Float2, String::Format(TEXT("{0} * MainScreenSize.xy"), uvPos.Value), node);
// Texcoord
else if (box->ID == 1)
value = uvPos;
}
else
{
// Position
if (box->ID == 0)
value = Value(VariantType::Float2, TEXT("input.SvPosition.xy"));
// Texcoord
else if (box->ID == 1)
value = writeLocal(VariantType::Float2, TEXT("input.SvPosition.xy * ScreenSize.zw"), node);
}
break;
}
// Screen Size
case 7:
value = Value(VariantType::Float2, box->ID == 0 ? TEXT("ScreenSize.xy") : TEXT("ScreenSize.zw"));
{
// Check if use main view position
const auto layer = GetRootLayer();
if (layer && layer->Domain == MaterialDomain::Surface && node->Values.Count() > 0 && node->Values[0].AsBool)
value = Value(VariantType::Float2, box->ID == 0 ? TEXT("MainScreenSize.xy") : TEXT("MainScreenSize.zw"));
else
value = Value(VariantType::Float2, box->ID == 0 ? TEXT("ScreenSize.xy") : TEXT("ScreenSize.zw"));
break;
}
// Custom code
case 8:
{