diff options
Diffstat (limited to 'source/slang/slang-ir-lower-buffer-element-type.cpp')
| -rw-r--r-- | source/slang/slang-ir-lower-buffer-element-type.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/source/slang/slang-ir-lower-buffer-element-type.cpp b/source/slang/slang-ir-lower-buffer-element-type.cpp index 1c02af82a..a5227ed68 100644 --- a/source/slang/slang-ir-lower-buffer-element-type.cpp +++ b/source/slang/slang-ir-lower-buffer-element-type.cpp @@ -184,7 +184,7 @@ namespace Slang IRBuilder builder(structType); builder.setInsertAfter(structType); auto func = builder.createFunc(); - auto funcType = builder.getFuncType(1, (IRType**)&structType, arrayType); + auto funcType = builder.getFuncType(1, (IRType**)&arrayType, structType); func->setFullType(funcType); builder.addNameHintDecoration(func, UnownedStringSlice("packStorage")); builder.setInsertInto(func); @@ -638,6 +638,23 @@ namespace Slang break; case kIROp_StructuredBufferGetDimensions: break; + case kIROp_Call: + { + // If we are calling a function with an l-value pointer from buffer access, + // we need to materialize the object as a local variable, and pass the address + // of the local variable to the function. + builder.setInsertBefore(user); + auto newLoad = builder.emitLoad(loweredElementTypeInfo.loweredType, ptrVal); + auto unpackedVal = builder.emitCallInst((IRType*)originalElementType, loweredElementTypeInfo.convertLoweredToOriginal, 1, &newLoad); + auto var = builder.emitVar((IRType*)originalElementType); + builder.emitStore(var, unpackedVal); + use->set(var); + builder.setInsertAfter(user); + auto newVal = builder.emitLoad(var); + auto packedVal = builder.emitCallInst((IRType*)loweredElementTypeInfo.loweredType, loweredElementTypeInfo.convertOriginalToLowered, 1, &newVal); + builder.emitStore(ptrVal, packedVal); + } + break; default: SLANG_UNREACHABLE("unhandled inst of a buffer/pointer value that needs storage lowering."); break; |