Function write

3rdparty/bgfx/src/shader_dxbc.cpp:898–949

	}

	int32_t write(bx::WriterI* _writer, const DxbcSubOperand& _subOperand, bx::Error* _err)
	{
		int32_t size = 0;

		uint32_t token = 0;
		token |= (_subOperand.type         << 12) & UINT32_C(0x000ff000);
		token |= (_subOperand.numAddrModes << 20) & UINT32_C(0x00300000);
		token |= (_subOperand.addrMode     << 22) & UINT32_C(0x01c00000);
		token |= (_subOperand.mode         <<  2) & UINT32_C(0x0000000c);
		token |= (_subOperand.modeBits     <<  4) & UINT32_C(0x00000ff0);
		token |=  _subOperand.num                 & UINT32_C(0x00000003);
		size += bx::write(_writer, token, _err);

		switch (_subOperand.addrMode)
		{
		case DxbcOperandAddrMode::Imm32:
			size += bx::write(_writer, _subOperand.regIndex, _err);
			break;

		case DxbcOperandAddrMode::Reg:
			{
				DxbcSubOperand subOperand;
				size += write(_writer, subOperand, _err);
			}
			break;

		case DxbcOperandAddrMode::RegImm32:
			{
				size += bx::write(_writer, _subOperand.regIndex, _err);

				DxbcSubOperand subOperand;
				size += write(_writer, subOperand, _err);
			}
			break;

		case DxbcOperandAddrMode::RegImm64:
			{
				size += bx::write(_writer, _subOperand.regIndex, _err);
				size += bx::write(_writer, _subOperand.regIndex, _err);

				DxbcSubOperand subOperand;
				size += write(_writer, subOperand, _err);
			}
			break;

		default:
			BX_ASSERT(false, "sub operand addressing mode %d", _subOperand.addrMode);
			break;
		}

		return size;
	}

	int32_t read(bx::ReaderI* _reader, DxbcOperand& _operand, bx::Error* _err)
	{