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-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
index 77fbb2b2f..756de0a27 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
@@ -298,10 +298,14 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) {
if (IR::IsGeneric(attr)) {
const u32 index{IR::GenericAttributeIndex(attr)};
const std::optional<AttrInfo> type{AttrTypes(ctx, index)};
- if (!type || !ctx.runtime_info.previous_stage_stores.Generic(index)) {
+ if (!type) {
// Attribute is disabled
return ctx.Const(0.0f);
}
+ if (!ctx.runtime_info.previous_stage_stores.Generic(index, element)) {
+ // Varying component is not written
+ return ctx.Const(type && element == 3 ? 1.0f : 0.0f);
+ }
const Id generic_id{ctx.input_generics.at(index)};
const Id pointer{AttrPointer(ctx, type->pointer, vertex, generic_id, ctx.Const(element))};
const Id value{ctx.OpLoad(type->id, pointer)};