feat(airconv): support integer (bitcast) depth output register

WineAndAqua · Jan 28, 2025 · 22ff44b · 22ff44b
1 parent cbbb31f
commit 22ff44b
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/src/airconv/dxbc_converter_basicblock.cpp b/src/airconv/dxbc_converter_basicblock.cpp
@@ -1612,6 +1612,23 @@ store_dst<DstOperandOutputDepth, true>(DstOperandOutputDepth, IRValue &&value) {
   );
 };
 
+template <>
+IREffect
+store_dst<DstOperandOutputDepth, false>(DstOperandOutputDepth, IRValue &&value) {
+  return make_effect_bind(
+    [value = std::move(value)](context ctx) mutable -> IREffect {
+      // FIXME: extend_to_vec4 is kinda silly
+      pvalue depth = co_yield (std::move(value) >>= extend_to_vec4) >>=
+        extract_element(0);
+      auto ptr = ctx.builder.CreateConstGEP1_32(
+        ctx.types._float, ctx.resource.depth_output_reg, 0
+      );
+      ctx.builder.CreateStore(ctx.builder.CreateBitCast(depth, ctx.types._float), ptr);
+      co_return {};
+    }
+  );
+};
+
 template <>
 IREffect store_dst<DstOperandOutputCoverageMask, false>(
   DstOperandOutputCoverageMask, IRValue &&value