From 78c9bd1c2fbd55889e62a2032e9bc96684ced3b5 Mon Sep 17 00:00:00 2001 From: kaizhangNV <149626564+kaizhangNV@users.noreply.github.com> Date: Thu, 12 Dec 2024 16:50:44 -0600 Subject: Bit extract (#5847) * promoting bitfield extraction and insertion to become intrinsics for internal compiler use * removing duplicate intrinsics from glsl.meta.slang * refactor: update function signatures of bitfield extraction and insertion to use uint as the parameter type for offset and bits. --------- Co-authored-by: Nate Morrical Co-authored-by: Yong He --- source/slang/slang-emit-glsl.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'source/slang/slang-emit-glsl.cpp') diff --git a/source/slang/slang-emit-glsl.cpp b/source/slang/slang-emit-glsl.cpp index f22419147..2c2447c53 100644 --- a/source/slang/slang-emit-glsl.cpp +++ b/source/slang/slang-emit-glsl.cpp @@ -2949,6 +2949,45 @@ void GLSLSourceEmitter::emitFuncDecorationImpl(IRDecoration* decoration) } } +void GLSLSourceEmitter::emitBitfieldExtractImpl(IRInst* inst) +{ + m_writer->emit("bitfieldExtract("); + + emitOperand(inst->getOperand(0), getInfo(EmitOp::General)); + m_writer->emit(","); + + m_writer->emit("int("); + emitOperand(inst->getOperand(1), getInfo(EmitOp::General)); + m_writer->emit(")"); + m_writer->emit(","); + + m_writer->emit("int("); + emitOperand(inst->getOperand(2), getInfo(EmitOp::General)); + m_writer->emit("))"); +} + +void GLSLSourceEmitter::emitBitfieldInsertImpl(IRInst* inst) +{ + m_writer->emit("bitfieldInsert("); + + emitOperand(inst->getOperand(0), getInfo(EmitOp::General)); + m_writer->emit(","); + + emitOperand(inst->getOperand(1), getInfo(EmitOp::General)); + m_writer->emit(","); + + m_writer->emit("int("); + emitOperand(inst->getOperand(2), getInfo(EmitOp::General)); + m_writer->emit(")"); + m_writer->emit(","); + + m_writer->emit("int("); + emitOperand(inst->getOperand(3), getInfo(EmitOp::General)); + m_writer->emit(")"); + + m_writer->emit(")"); +} + void GLSLSourceEmitter::emitSimpleTypeImpl(IRType* type) { switch (type->getOp()) -- cgit v1.2.3